Replace the tab with 4 spaces in md files (#2797)
* Replace the tab with 4 spaces in md files Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of accessing-the-api.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of manage-compute-resources-container.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of run-to-completion-finite-workloads.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of connect-applications-service.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of init-containers.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of calico.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of ingress.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of index.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of index.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of apparmor.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of run-stateful-application.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of index.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of index.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn> * Fix typos of replicasets.md Signed-off-by: yupengzte <yu.peng36@zte.com.cn>
This commit is contained in:
Andy Yu
@@ -132,7 +132,7 @@ By default the Kubernetes API server serves HTTP on 2 ports:
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1. `Localhost Port`:
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1. `Localhost Port`:
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- is intended for testing and bootstrap, and for other components of the master node
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- is intended for testing and bootstrap, and for other components of the master node
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(scheduler, controller-manager) to talk to the API
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(scheduler, controller-manager) to talk to the API
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- no TLS
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- no TLS
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- default is port 8080, change with `--insecure-port` flag.
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- default is port 8080, change with `--insecure-port` flag.
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- defaults IP is localhost, change with `--insecure-bind-address` flag.
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- defaults IP is localhost, change with `--insecure-bind-address` flag.
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@@ -229,7 +229,7 @@ cross-zone attachments are not generally permitted by cloud providers:
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```shell
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```shell
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> kubectl describe pod mypod | grep Node
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> kubectl describe pod mypod | grep Node
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Node: kubernetes-minion-9vlv/10.240.0.5
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Node: kubernetes-minion-9vlv/10.240.0.5
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> kubectl get node kubernetes-minion-9vlv --show-labels
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> kubectl get node kubernetes-minion-9vlv --show-labels
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NAME STATUS AGE LABELS
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NAME STATUS AGE LABELS
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kubernetes-minion-9vlv Ready 22m beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-9vlv
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kubernetes-minion-9vlv Ready 22m beta.kubernetes.io/instance-type=n1-standard-2,failure-domain.beta.kubernetes.io/region=us-central1,failure-domain.beta.kubernetes.io/zone=us-central1-a,kubernetes.io/hostname=kubernetes-minion-9vlv
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@@ -268,9 +268,9 @@ The pods should be spread across all 3 zones:
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```shell
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```shell
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> kubectl describe pod -l app=guestbook | grep Node
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> kubectl describe pod -l app=guestbook | grep Node
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Node: kubernetes-minion-9vlv/10.240.0.5
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Node: kubernetes-minion-9vlv/10.240.0.5
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Node: kubernetes-minion-281d/10.240.0.8
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Node: kubernetes-minion-281d/10.240.0.8
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Node: kubernetes-minion-olsh/10.240.0.11
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Node: kubernetes-minion-olsh/10.240.0.11
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> kubectl get node kubernetes-minion-9vlv kubernetes-minion-281d kubernetes-minion-olsh --show-labels
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> kubectl get node kubernetes-minion-9vlv kubernetes-minion-281d kubernetes-minion-olsh --show-labels
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NAME STATUS AGE LABELS
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NAME STATUS AGE LABELS
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@@ -64,16 +64,16 @@ Or you can get detailed information with:
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```shell
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```shell
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$ kubectl describe namespaces <name>
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$ kubectl describe namespaces <name>
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Name: default
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Name: default
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Labels: <none>
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Labels: <none>
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Status: Active
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Status: Active
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No resource quota.
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No resource quota.
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Resource Limits
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Resource Limits
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Type Resource Min Max Default
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Type Resource Min Max Default
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---- -------- --- --- ---
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---- -------- --- --- ---
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Container cpu - - 100m
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Container cpu - - 100m
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```
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```
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Note that these details show both resource quota (if present) as well as resource limit ranges.
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Note that these details show both resource quota (if present) as well as resource limit ranges.
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+5
-5
@@ -55,11 +55,11 @@ For jQuery to work in Node, a window with a document is required. Since no such
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```js
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```js
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require("jsdom").env("", function(err, window) {
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require("jsdom").env("", function(err, window) {
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if (err) {
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if (err) {
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console.error(err);
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console.error(err);
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return;
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return;
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}
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}
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var $ = require("jquery")(window);
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var $ = require("jquery")(window);
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});
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});
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```
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```
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@@ -149,7 +149,7 @@ in 13 underlying clusters:
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for CLUSTER in asia-east1-c asia-east1-a asia-east1-b \
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for CLUSTER in asia-east1-c asia-east1-a asia-east1-b \
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europe-west1-d europe-west1-c europe-west1-b \
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europe-west1-d europe-west1-c europe-west1-b \
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us-central1-f us-central1-a us-central1-b us-central1-c \
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us-central1-f us-central1-a us-central1-b us-central1-c \
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us-east1-d us-east1-c us-east1-b
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us-east1-d us-east1-c us-east1-b
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do
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do
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kubectl --context=$CLUSTER run nginx --image=nginx:1.11.1-alpine --port=80
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kubectl --context=$CLUSTER run nginx --image=nginx:1.11.1-alpine --port=80
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done
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done
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@@ -202,20 +202,20 @@ You can check node capacities and amounts allocated with the
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```shell
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```shell
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$ kubectl.sh describe nodes e2e-test-minion-group-4lw4
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$ kubectl.sh describe nodes e2e-test-minion-group-4lw4
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Name: e2e-test-minion-group-4lw4
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Name: e2e-test-minion-group-4lw4
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[ ... lines removed for clarity ...]
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[ ... lines removed for clarity ...]
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Capacity:
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Capacity:
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alpha.kubernetes.io/nvidia-gpu: 0
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alpha.kubernetes.io/nvidia-gpu: 0
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cpu: 2
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cpu: 2
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memory: 7679792Ki
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memory: 7679792Ki
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pods: 110
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pods: 110
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Allocatable:
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Allocatable:
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alpha.kubernetes.io/nvidia-gpu: 0
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alpha.kubernetes.io/nvidia-gpu: 0
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cpu: 1800m
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cpu: 1800m
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memory: 7474992Ki
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memory: 7474992Ki
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pods: 110
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pods: 110
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[ ... lines removed for clarity ...]
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[ ... lines removed for clarity ...]
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Non-terminated Pods: (5 in total)
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Non-terminated Pods: (5 in total)
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Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits
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Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits
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--------- ---- ------------ ---------- --------------- -------------
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--------- ---- ------------ ---------- --------------- -------------
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kube-system fluentd-gcp-v1.38-28bv1 100m (5%) 0 (0%) 200Mi (2%) 200Mi (2%)
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kube-system fluentd-gcp-v1.38-28bv1 100m (5%) 0 (0%) 200Mi (2%) 200Mi (2%)
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@@ -225,9 +225,9 @@ Non-terminated Pods: (5 in total)
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kube-system node-problem-detector-v0.1-fj7m3 20m (1%) 200m (10%) 20Mi (0%) 100Mi (1%)
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kube-system node-problem-detector-v0.1-fj7m3 20m (1%) 200m (10%) 20Mi (0%) 100Mi (1%)
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Allocated resources:
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Allocated resources:
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(Total limits may be over 100 percent, i.e., overcommitted.)
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(Total limits may be over 100 percent, i.e., overcommitted.)
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CPU Requests CPU Limits Memory Requests Memory Limits
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CPU Requests CPU Limits Memory Requests Memory Limits
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------------ ---------- --------------- -------------
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------------ ---------- --------------- -------------
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680m (34%) 400m (20%) 920Mi (12%) 1070Mi (14%)
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680m (34%) 400m (20%) 920Mi (12%) 1070Mi (14%)
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```
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```
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In the preceding output, you can see that if a Pod requests more than 1120m
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In the preceding output, you can see that if a Pod requests more than 1120m
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@@ -91,15 +91,15 @@ Currently, the logs for a hook handler are not exposed in the pod events. If you
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```
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```
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Events:
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Events:
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FirstSeen LastSeen Count From SubobjectPath Type Reason Message
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FirstSeen LastSeen Count From SubobjectPath Type Reason Message
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--------- -------- ----- ---- ------------- -------- ------ -------
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--------- -------- ----- ---- ------------- -------- ------ -------
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1m 1m 1 {default-scheduler } Normal Scheduled Successfully assigned test-1730497541-cq1d2 to gke-test-cluster-default-pool-a07e5d30-siqd
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1m 1m 1 {default-scheduler } Normal Scheduled Successfully assigned test-1730497541-cq1d2 to gke-test-cluster-default-pool-a07e5d30-siqd
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1m 1m 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Pulling pulling image "test:1.0"
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1m 1m 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Pulling pulling image "test:1.0"
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1m 1m 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Created Created container with docker id 5c6a256a2567; Security:[seccomp=unconfined]
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1m 1m 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Created Created container with docker id 5c6a256a2567; Security:[seccomp=unconfined]
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1m 1m 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Pulled Successfully pulled image "test:1.0"
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1m 1m 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Pulled Successfully pulled image "test:1.0"
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1m 1m 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Started Started container with docker id 5c6a256a2567
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1m 1m 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Started Started container with docker id 5c6a256a2567
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38s 38s 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Killing Killing container with docker id 5c6a256a2567: PostStart handler: Error executing in Docker Container: 1
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38s 38s 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Killing Killing container with docker id 5c6a256a2567: PostStart handler: Error executing in Docker Container: 1
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37s 37s 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Killing Killing container with docker id 8df9fdfd7054: PostStart handler: Error executing in Docker Container: 1
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37s 37s 1 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Normal Killing Killing container with docker id 8df9fdfd7054: PostStart handler: Error executing in Docker Container: 1
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38s 37s 2 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} Warning FailedSync Error syncing pod, skipping: failed to "StartContainer" for "main" with RunContainerError: "PostStart handler: Error executing in Docker Container: 1"
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38s 37s 2 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} Warning FailedSync Error syncing pod, skipping: failed to "StartContainer" for "main" with RunContainerError: "PostStart handler: Error executing in Docker Container: 1"
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1m 22s 2 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Warning FailedPostStartHook
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1m 22s 2 {kubelet gke-test-cluster-default-pool-a07e5d30-siqd} spec.containers{main} Warning FailedPostStartHook
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```
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```
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@@ -177,7 +177,7 @@ If it failed, then you will see:
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```shell
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```shell
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$ kubectl describe pods/private-image-test-1 | grep "Failed"
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$ kubectl describe pods/private-image-test-1 | grep "Failed"
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Fri, 26 Jun 2015 15:36:13 -0700 Fri, 26 Jun 2015 15:39:13 -0700 19 {kubelet node-i2hq} spec.containers{uses-private-image} failed Failed to pull image "user/privaterepo:v1": Error: image user/privaterepo:v1 not found
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Fri, 26 Jun 2015 15:36:13 -0700 Fri, 26 Jun 2015 15:39:13 -0700 19 {kubelet node-i2hq} spec.containers{uses-private-image} failed Failed to pull image "user/privaterepo:v1": Error: image user/privaterepo:v1 not found
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```
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```
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|
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|
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@@ -45,20 +45,20 @@ Check on the status of the job using this command:
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|
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```shell
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```shell
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$ kubectl describe jobs/pi
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$ kubectl describe jobs/pi
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Name: pi
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Name: pi
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Namespace: default
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Namespace: default
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Image(s): perl
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Image(s): perl
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Selector: controller-uid=b1db589a-2c8d-11e6-b324-0209dc45a495
|
Selector: controller-uid=b1db589a-2c8d-11e6-b324-0209dc45a495
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Parallelism: 1
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Parallelism: 1
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Completions: 1
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Completions: 1
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Start Time: Tue, 07 Jun 2016 10:56:16 +0200
|
Start Time: Tue, 07 Jun 2016 10:56:16 +0200
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Labels: controller-uid=b1db589a-2c8d-11e6-b324-0209dc45a495,job-name=pi
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Labels: controller-uid=b1db589a-2c8d-11e6-b324-0209dc45a495,job-name=pi
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Pods Statuses: 0 Running / 1 Succeeded / 0 Failed
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Pods Statuses: 0 Running / 1 Succeeded / 0 Failed
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No volumes.
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No volumes.
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Events:
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Events:
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FirstSeen LastSeen Count From SubobjectPath Type Reason Message
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FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
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--------- -------- ----- ---- ------------- -------- ------ -------
|
--------- -------- ----- ---- ------------- -------- ------ -------
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1m 1m 1 {job-controller } Normal SuccessfulCreate Created pod: pi-dtn4q
|
1m 1m 1 {job-controller } Normal SuccessfulCreate Created pod: pi-dtn4q
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```
|
```
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|
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To view completed pods of a job, use `kubectl get pods --show-all`. The `--show-all` will show completed pods too.
|
To view completed pods of a job, use `kubectl get pods --show-all`. The `--show-all` will show completed pods too.
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|
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@@ -77,15 +77,15 @@ As mentioned previously, a Service is backed by a group of pods. These pods are
|
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|
|
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```shell
|
```shell
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$ kubectl describe svc my-nginx
|
$ kubectl describe svc my-nginx
|
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Name: my-nginx
|
Name: my-nginx
|
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Namespace: default
|
Namespace: default
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Labels: run=my-nginx
|
Labels: run=my-nginx
|
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Selector: run=my-nginx
|
Selector: run=my-nginx
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Type: ClusterIP
|
Type: ClusterIP
|
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IP: 10.0.162.149
|
IP: 10.0.162.149
|
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Port: <unset> 80/TCP
|
Port: <unset> 80/TCP
|
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Endpoints: 10.244.2.5:80,10.244.3.4:80
|
Endpoints: 10.244.2.5:80,10.244.3.4:80
|
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Session Affinity: None
|
Session Affinity: None
|
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No events.
|
No events.
|
||||||
|
|
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$ kubectl get ep my-nginx
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$ kubectl get ep my-nginx
|
||||||
|
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@@ -141,36 +141,36 @@ NAME READY STATUS RESTARTS AGE
|
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myapp-pod 0/1 Init:0/2 0 6m
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myapp-pod 0/1 Init:0/2 0 6m
|
||||||
$ kubectl describe -f myapp.yaml
|
$ kubectl describe -f myapp.yaml
|
||||||
i11:32 $ kubectl describe -f examples/init-container.yaml
|
i11:32 $ kubectl describe -f examples/init-container.yaml
|
||||||
Name: myapp-pod
|
Name: myapp-pod
|
||||||
Namespace: default
|
Namespace: default
|
||||||
[...]
|
[...]
|
||||||
Labels: app=myapp
|
Labels: app=myapp
|
||||||
Status: Pending
|
Status: Pending
|
||||||
[...]
|
[...]
|
||||||
Init Containers:
|
Init Containers:
|
||||||
init-myservice:
|
init-myservice:
|
||||||
[...]
|
[...]
|
||||||
State: Running
|
State: Running
|
||||||
[...]
|
[...]
|
||||||
init-mydb:
|
init-mydb:
|
||||||
[...]
|
[...]
|
||||||
State: Running
|
State: Running
|
||||||
[...]
|
[...]
|
||||||
Containers:
|
Containers:
|
||||||
myapp-container:
|
myapp-container:
|
||||||
[...]
|
[...]
|
||||||
State: Waiting
|
State: Waiting
|
||||||
Reason: PodInitializing
|
Reason: PodInitializing
|
||||||
Ready: False
|
Ready: False
|
||||||
[...]
|
[...]
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
|
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
|
||||||
--------- -------- ----- ---- ------------- -------- ------ -------
|
--------- -------- ----- ---- ------------- -------- ------ -------
|
||||||
16s 16s 1 {default-scheduler } Normal Scheduled Successfully assigned myapp-pod to 172.17.4.201
|
16s 16s 1 {default-scheduler } Normal Scheduled Successfully assigned myapp-pod to 172.17.4.201
|
||||||
16s 16s 1 {kubelet 172.17.4.201} spec.initContainers{init-myservice} Normal Pulling pulling image "busybox"
|
16s 16s 1 {kubelet 172.17.4.201} spec.initContainers{init-myservice} Normal Pulling pulling image "busybox"
|
||||||
13s 13s 1 {kubelet 172.17.4.201} spec.initContainers{init-myservice} Normal Pulled Successfully pulled image "busybox"
|
13s 13s 1 {kubelet 172.17.4.201} spec.initContainers{init-myservice} Normal Pulled Successfully pulled image "busybox"
|
||||||
13s 13s 1 {kubelet 172.17.4.201} spec.initContainers{init-myservice} Normal Created Created container with docker id 5ced34a04634; Security:[seccomp=unconfined]
|
13s 13s 1 {kubelet 172.17.4.201} spec.initContainers{init-myservice} Normal Created Created container with docker id 5ced34a04634; Security:[seccomp=unconfined]
|
||||||
13s 13s 1 {kubelet 172.17.4.201} spec.initContainers{init-myservice} Normal Started Started container with docker id 5ced34a04634
|
13s 13s 1 {kubelet 172.17.4.201} spec.initContainers{init-myservice} Normal Started Started container with docker id 5ced34a04634
|
||||||
$ kubectl logs myapp-pod -c init-myservice # Inspect the first init container
|
$ kubectl logs myapp-pod -c init-myservice # Inspect the first init container
|
||||||
$ kubectl logs myapp-pod -c init-mydd # Inspect the second init container
|
$ kubectl logs myapp-pod -c init-mydd # Inspect the second init container
|
||||||
```
|
```
|
||||||
|
|||||||
@@ -92,9 +92,9 @@ web server:
|
|||||||
|
|
||||||
<i>NOTE: If you do not want Jekyll to interfere with your other globally installed gems, you can use `bundler`:</i>
|
<i>NOTE: If you do not want Jekyll to interfere with your other globally installed gems, you can use `bundler`:</i>
|
||||||
|
|
||||||
gem install bundler
|
gem install bundler
|
||||||
bundle install
|
bundle install
|
||||||
bundler exec jekyll serve
|
bundler exec jekyll serve
|
||||||
|
|
||||||
<i> Regardless of whether you use `bundler` or not, your copy of the site will then be viewable at: [http://localhost:4000](http://localhost:4000)</i>
|
<i> Regardless of whether you use `bundler` or not, your copy of the site will then be viewable at: [http://localhost:4000](http://localhost:4000)</i>
|
||||||
|
|
||||||
|
|||||||
@@ -52,8 +52,8 @@ yum -y install --enablerepo=virt7-docker-common-release kubernetes etcd flannel
|
|||||||
* Add master and node to /etc/hosts on all machines (not needed if hostnames already in DNS)
|
* Add master and node to /etc/hosts on all machines (not needed if hostnames already in DNS)
|
||||||
|
|
||||||
```shell
|
```shell
|
||||||
echo "192.168.121.9 centos-master
|
echo "192.168.121.9 centos-master
|
||||||
192.168.121.65 centos-minion-1
|
192.168.121.65 centos-minion-1
|
||||||
192.168.121.66 centos-minion-2
|
192.168.121.66 centos-minion-2
|
||||||
192.168.121.67 centos-minion-3" >> /etc/hosts
|
192.168.121.67 centos-minion-3" >> /etc/hosts
|
||||||
```
|
```
|
||||||
@@ -147,9 +147,9 @@ FLANNEL_ETCD_PREFIX="/kube-centos/network"
|
|||||||
|
|
||||||
```shell
|
```shell
|
||||||
for SERVICES in etcd kube-apiserver kube-controller-manager kube-scheduler flanneld; do
|
for SERVICES in etcd kube-apiserver kube-controller-manager kube-scheduler flanneld; do
|
||||||
systemctl restart $SERVICES
|
systemctl restart $SERVICES
|
||||||
systemctl enable $SERVICES
|
systemctl enable $SERVICES
|
||||||
systemctl status $SERVICES
|
systemctl status $SERVICES
|
||||||
done
|
done
|
||||||
```
|
```
|
||||||
|
|
||||||
|
|||||||
@@ -77,10 +77,10 @@ SSH to it using the key that was created and using the _core_ user and you can l
|
|||||||
|
|
||||||
$ ssh -i ~/.ssh/id_rsa_k8s core@<master IP>
|
$ ssh -i ~/.ssh/id_rsa_k8s core@<master IP>
|
||||||
$ fleetctl list-machines
|
$ fleetctl list-machines
|
||||||
MACHINE IP METADATA
|
MACHINE IP METADATA
|
||||||
a017c422... <node #1 IP> role=node
|
a017c422... <node #1 IP> role=node
|
||||||
ad13bf84... <master IP> role=master
|
ad13bf84... <master IP> role=master
|
||||||
e9af8293... <node #2 IP> role=node
|
e9af8293... <node #2 IP> role=node
|
||||||
|
|
||||||
## Support Level
|
## Support Level
|
||||||
|
|
||||||
|
|||||||
@@ -48,8 +48,8 @@ dnf -y install etcd
|
|||||||
* Add master and node to /etc/hosts on all machines (not needed if hostnames already in DNS). Make sure that communication works between fed-master and fed-node by using a utility such as ping.
|
* Add master and node to /etc/hosts on all machines (not needed if hostnames already in DNS). Make sure that communication works between fed-master and fed-node by using a utility such as ping.
|
||||||
|
|
||||||
```shell
|
```shell
|
||||||
echo "192.168.121.9 fed-master
|
echo "192.168.121.9 fed-master
|
||||||
192.168.121.65 fed-node" >> /etc/hosts
|
192.168.121.65 fed-node" >> /etc/hosts
|
||||||
```
|
```
|
||||||
|
|
||||||
* Edit /etc/kubernetes/config (which should be the same on all hosts) to set
|
* Edit /etc/kubernetes/config (which should be the same on all hosts) to set
|
||||||
@@ -95,9 +95,9 @@ ETCD_LISTEN_CLIENT_URLS="http://0.0.0.0:2379"
|
|||||||
|
|
||||||
```shell
|
```shell
|
||||||
for SERVICES in etcd kube-apiserver kube-controller-manager kube-scheduler; do
|
for SERVICES in etcd kube-apiserver kube-controller-manager kube-scheduler; do
|
||||||
systemctl restart $SERVICES
|
systemctl restart $SERVICES
|
||||||
systemctl enable $SERVICES
|
systemctl enable $SERVICES
|
||||||
systemctl status $SERVICES
|
systemctl status $SERVICES
|
||||||
done
|
done
|
||||||
```
|
```
|
||||||
|
|
||||||
|
|||||||
@@ -227,13 +227,13 @@ The ```kubectl describe``` command gives you more details about the logs
|
|||||||
|
|
||||||
```
|
```
|
||||||
# kubectl describe -n kube-system po kube-dns-2924299975-1l2t7
|
# kubectl describe -n kube-system po kube-dns-2924299975-1l2t7
|
||||||
2m 2m 1 {kubelet nac} spec.containers{flannel} Warning Failed Failed to start container with docker id 927e7ccdc32b with error: Error response from daemon: {"message":"chown /etc/resolv.conf: operation not permitted"}
|
2m 2m 1 {kubelet nac} spec.containers{flannel} Warning Failed Failed to start container with docker id 927e7ccdc32b with error: Error response from daemon: {"message":"chown /etc/resolv.conf: operation not permitted"}
|
||||||
|
|
||||||
```
|
```
|
||||||
|
|
||||||
Or
|
Or
|
||||||
```
|
```
|
||||||
6m 1m 191 {kubelet nac} Warning FailedSync Error syncing pod, skipping: failed to "SetupNetwork" for "kube-dns-2924299975-1l2t7_kube-system" with SetupNetworkError: "Failed to setup network for pod \"kube-dns-2924299975-1l2t7_kube-system(dee8ef21-fbcb-11e6-ba19-38d547e0006a)\" using network plugins \"cni\": open /run/flannel/subnet.env: no such file or directory; Skipping pod"
|
6m 1m 191 {kubelet nac} Warning FailedSync Error syncing pod, skipping: failed to "SetupNetwork" for "kube-dns-2924299975-1l2t7_kube-system" with SetupNetworkError: "Failed to setup network for pod \"kube-dns-2924299975-1l2t7_kube-system(dee8ef21-fbcb-11e6-ba19-38d547e0006a)\" using network plugins \"cni\": open /run/flannel/subnet.env: no such file or directory; Skipping pod"
|
||||||
```
|
```
|
||||||
|
|
||||||
You can then search Google for the error messages, which may help you find a solution.
|
You can then search Google for the error messages, which may help you find a solution.
|
||||||
|
|||||||
@@ -15,7 +15,7 @@ This guide will set up a simple Kubernetes cluster with a single Kubernetes mast
|
|||||||
|
|
||||||
- This guide uses `systemd` for process management. Ubuntu 15.04 supports systemd natively as do a number of other Linux distributions.
|
- This guide uses `systemd` for process management. Ubuntu 15.04 supports systemd natively as do a number of other Linux distributions.
|
||||||
- All machines should have Docker >= 1.7.0 installed.
|
- All machines should have Docker >= 1.7.0 installed.
|
||||||
- To install Docker on Ubuntu, follow [these instructions](https://docs.docker.com/installation/ubuntulinux/)
|
- To install Docker on Ubuntu, follow [these instructions](https://docs.docker.com/installation/ubuntulinux/)
|
||||||
- All machines should have connectivity to each other and the internet.
|
- All machines should have connectivity to each other and the internet.
|
||||||
- This guide assumes a DHCP server on your network to assign server IPs.
|
- This guide assumes a DHCP server on your network to assign server IPs.
|
||||||
- This guide uses `192.168.0.0/16` as the subnet from which pod IP addresses are assigned. If this overlaps with your host subnet, you will need to configure Calico to use a different [IP pool](https://github.com/projectcalico/calico-containers/blob/master/docs/calicoctl/pool.md#calicoctl-pool-commands).
|
- This guide uses `192.168.0.0/16` as the subnet from which pod IP addresses are assigned. If this overlaps with your host subnet, you will need to configure Calico to use a different [IP pool](https://github.com/projectcalico/calico-containers/blob/master/docs/calicoctl/pool.md#calicoctl-pool-commands).
|
||||||
|
|||||||
@@ -70,7 +70,7 @@ At this stage, you can query the controller model as well:
|
|||||||
```
|
```
|
||||||
juju status
|
juju status
|
||||||
Model Controller Cloud/Region Version
|
Model Controller Cloud/Region Version
|
||||||
controller k8s lxd/localhost 2.0.2
|
controller k8s lxd/localhost 2.0.2
|
||||||
|
|
||||||
App Version Status Scale Charm Store Rev OS Notes
|
App Version Status Scale Charm Store Rev OS Notes
|
||||||
|
|
||||||
@@ -142,16 +142,16 @@ If the deployment is larger the following commands will run on all units success
|
|||||||
|
|
||||||
```
|
```
|
||||||
juju show-status kubernetes-master --format json | \
|
juju show-status kubernetes-master --format json | \
|
||||||
jq --raw-output '.applications."kubernetes-master".units | keys[]' | \
|
jq --raw-output '.applications."kubernetes-master".units | keys[]' | \
|
||||||
xargs -I UNIT juju ssh UNIT "sudo sed -i 's/KUBE_API_ARGS=\"/KUBE_API_ARGS=\"--allow-privileged\ /' /etc/default/kube-apiserver && sudo systemctl restart kube-apiserver.service"
|
xargs -I UNIT juju ssh UNIT "sudo sed -i 's/KUBE_API_ARGS=\"/KUBE_API_ARGS=\"--allow-privileged\ /' /etc/default/kube-apiserver && sudo systemctl restart kube-apiserver.service"
|
||||||
```
|
```
|
||||||
|
|
||||||
2. Update all workers
|
2. Update all workers
|
||||||
|
|
||||||
```
|
```
|
||||||
juju show-status kubernetes-worker --format json | \
|
juju show-status kubernetes-worker --format json | \
|
||||||
jq --raw-output '.applications."kubernetes-worker".units | keys[]' | \
|
jq --raw-output '.applications."kubernetes-worker".units | keys[]' | \
|
||||||
xargs -I UNIT juju ssh UNIT "sudo sed -i 's/KUBELET_ARGS=\"/KUBELET_ARGS=\"--allow-privileged\ /' /etc/default/kubelet && sudo systemctl restart kubelet.service"
|
xargs -I UNIT juju ssh UNIT "sudo sed -i 's/KUBELET_ARGS=\"/KUBELET_ARGS=\"--allow-privileged\ /' /etc/default/kubelet && sudo systemctl restart kubelet.service"
|
||||||
```
|
```
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
@@ -71,7 +71,7 @@ Sample Config:
|
|||||||
working-dir = <Folder in which VMs are provisioned, can be null>
|
working-dir = <Folder in which VMs are provisioned, can be null>
|
||||||
vm-uuid = <VM Instance UUID of virtual machine which can be retrieved from instanceUuid property in VmConfigInfo, or also set as vc.uuid in VMX file. If empty, will be retrieved from sysfs (requires root)>
|
vm-uuid = <VM Instance UUID of virtual machine which can be retrieved from instanceUuid property in VmConfigInfo, or also set as vc.uuid in VMX file. If empty, will be retrieved from sysfs (requires root)>
|
||||||
[Disk]
|
[Disk]
|
||||||
scsicontrollertype = pvscsi
|
scsicontrollertype = pvscsi
|
||||||
```
|
```
|
||||||
|
|
||||||
* Set the cloud provider via ```--cloud-provider=vsphere``` flag for each instance of kubelet, apiserver and controller manager.
|
* Set the cloud provider via ```--cloud-provider=vsphere``` flag for each instance of kubelet, apiserver and controller manager.
|
||||||
|
|||||||
+1
-1
@@ -16,7 +16,7 @@ In the reference section, you can find reference documentation for Kubernetes AP
|
|||||||
## CLI References
|
## CLI References
|
||||||
|
|
||||||
* [kubectl](/docs/user-guide/kubectl-overview/) - Runs commands against Kubernetes clusters.
|
* [kubectl](/docs/user-guide/kubectl-overview/) - Runs commands against Kubernetes clusters.
|
||||||
* [JSONPath](/docs/user-guide/jsonpath/) - Syntax guide for using [JSONPath expressions](http://goessner.net/articles/JsonPath/) with kubectl.
|
* [JSONPath](/docs/user-guide/jsonpath/) - Syntax guide for using [JSONPath expressions](http://goessner.net/articles/JsonPath/) with kubectl.
|
||||||
* [kube-apiserver](/docs/admin/kube-apiserver/) - REST API that validates and configures data for API objects such as pods, services, replication controllers.
|
* [kube-apiserver](/docs/admin/kube-apiserver/) - REST API that validates and configures data for API objects such as pods, services, replication controllers.
|
||||||
* [kube-proxy](/docs/admin/kube-proxy/) - Can do simple TCP/UDP stream forwarding or round-robin TCP/UDP forwarding across a set of backends.
|
* [kube-proxy](/docs/admin/kube-proxy/) - Can do simple TCP/UDP stream forwarding or round-robin TCP/UDP forwarding across a set of backends.
|
||||||
* [kube-scheduler](/docs/admin/kube-scheduler/) - A policy-rich, topology-aware, workload-specific function that significantly impacts availability, performance, and capacity.
|
* [kube-scheduler](/docs/admin/kube-scheduler/) - A policy-rich, topology-aware, workload-specific function that significantly impacts availability, performance, and capacity.
|
||||||
|
|||||||
+5
-5
@@ -55,11 +55,11 @@ For jQuery to work in Node, a window with a document is required. Since no such
|
|||||||
|
|
||||||
```js
|
```js
|
||||||
require("jsdom").env("", function(err, window) {
|
require("jsdom").env("", function(err, window) {
|
||||||
if (err) {
|
if (err) {
|
||||||
console.error(err);
|
console.error(err);
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
var $ = require("jquery")(window);
|
var $ = require("jquery")(window);
|
||||||
});
|
});
|
||||||
```
|
```
|
||||||
|
|||||||
@@ -69,8 +69,8 @@ Let's describe the quota to see what is currently being consumed in this namespa
|
|||||||
$ kubectl describe quota object-counts --namespace=quota-example
|
$ kubectl describe quota object-counts --namespace=quota-example
|
||||||
Name: object-counts
|
Name: object-counts
|
||||||
Namespace: quota-example
|
Namespace: quota-example
|
||||||
Resource Used Hard
|
Resource Used Hard
|
||||||
-------- ---- ----
|
-------- ---- ----
|
||||||
persistentvolumeclaims 0 2
|
persistentvolumeclaims 0 2
|
||||||
services.loadbalancers 0 2
|
services.loadbalancers 0 2
|
||||||
services.nodeports 0 0
|
services.nodeports 0 0
|
||||||
@@ -162,8 +162,8 @@ Replicas: 0 current / 1 desired
|
|||||||
Pods Status: 0 Running / 0 Waiting / 0 Succeeded / 0 Failed
|
Pods Status: 0 Running / 0 Waiting / 0 Succeeded / 0 Failed
|
||||||
No volumes.
|
No volumes.
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
||||||
--------- -------- ----- ---- ------------- -------- ------ -------
|
--------- -------- ----- ---- ------------- -------- ------ -------
|
||||||
4m 7s 11 {replicaset-controller } Warning FailedCreate Error creating: pods "nginx-3137573019-" is forbidden: Failed quota: compute-resources: must specify limits.cpu,limits.memory,requests.cpu,requests.memory
|
4m 7s 11 {replicaset-controller } Warning FailedCreate Error creating: pods "nginx-3137573019-" is forbidden: Failed quota: compute-resources: must specify limits.cpu,limits.memory,requests.cpu,requests.memory
|
||||||
```
|
```
|
||||||
|
|
||||||
@@ -257,7 +257,7 @@ Name: best-effort
|
|||||||
Namespace: quota-scopes
|
Namespace: quota-scopes
|
||||||
Scopes: BestEffort
|
Scopes: BestEffort
|
||||||
* Matches all pods that have best effort quality of service.
|
* Matches all pods that have best effort quality of service.
|
||||||
Resource Used Hard
|
Resource Used Hard
|
||||||
-------- ---- ----
|
-------- ---- ----
|
||||||
pods 0 10
|
pods 0 10
|
||||||
|
|
||||||
|
|||||||
@@ -77,10 +77,10 @@ Next, we will check that we can discover the rabbitmq service:
|
|||||||
# Note the rabitmq-service has a DNS name, provided by Kubernetes:
|
# Note the rabitmq-service has a DNS name, provided by Kubernetes:
|
||||||
|
|
||||||
root@temp-loe07:/# nslookup rabbitmq-service
|
root@temp-loe07:/# nslookup rabbitmq-service
|
||||||
Server: 10.0.0.10
|
Server: 10.0.0.10
|
||||||
Address: 10.0.0.10#53
|
Address: 10.0.0.10#53
|
||||||
|
|
||||||
Name: rabbitmq-service.default.svc.cluster.local
|
Name: rabbitmq-service.default.svc.cluster.local
|
||||||
Address: 10.0.147.152
|
Address: 10.0.147.152
|
||||||
|
|
||||||
# Your address will vary.
|
# Your address will vary.
|
||||||
@@ -223,26 +223,26 @@ Now wait a bit, then check on the job.
|
|||||||
|
|
||||||
```shell
|
```shell
|
||||||
$ kubectl describe jobs/job-wq-1
|
$ kubectl describe jobs/job-wq-1
|
||||||
Name: job-wq-1
|
Name: job-wq-1
|
||||||
Namespace: default
|
Namespace: default
|
||||||
Image(s): gcr.io/causal-jigsaw-637/job-wq-1
|
Image(s): gcr.io/causal-jigsaw-637/job-wq-1
|
||||||
Selector: app in (job-wq-1)
|
Selector: app in (job-wq-1)
|
||||||
Parallelism: 2
|
Parallelism: 2
|
||||||
Completions: 8
|
Completions: 8
|
||||||
Labels: app=job-wq-1
|
Labels: app=job-wq-1
|
||||||
Pods Statuses: 0 Running / 8 Succeeded / 0 Failed
|
Pods Statuses: 0 Running / 8 Succeeded / 0 Failed
|
||||||
No volumes.
|
No volumes.
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubobjectPath Reason Message
|
FirstSeen LastSeen Count From SubobjectPath Reason Message
|
||||||
───────── ──────── ───── ──── ───────────── ────── ───────
|
───────── ──────── ───── ──── ───────────── ────── ───────
|
||||||
27s 27s 1 {job } SuccessfulCreate Created pod: job-wq-1-hcobb
|
27s 27s 1 {job } SuccessfulCreate Created pod: job-wq-1-hcobb
|
||||||
27s 27s 1 {job } SuccessfulCreate Created pod: job-wq-1-weytj
|
27s 27s 1 {job } SuccessfulCreate Created pod: job-wq-1-weytj
|
||||||
27s 27s 1 {job } SuccessfulCreate Created pod: job-wq-1-qaam5
|
27s 27s 1 {job } SuccessfulCreate Created pod: job-wq-1-qaam5
|
||||||
27s 27s 1 {job } SuccessfulCreate Created pod: job-wq-1-b67sr
|
27s 27s 1 {job } SuccessfulCreate Created pod: job-wq-1-b67sr
|
||||||
26s 26s 1 {job } SuccessfulCreate Created pod: job-wq-1-xe5hj
|
26s 26s 1 {job } SuccessfulCreate Created pod: job-wq-1-xe5hj
|
||||||
15s 15s 1 {job } SuccessfulCreate Created pod: job-wq-1-w2zqe
|
15s 15s 1 {job } SuccessfulCreate Created pod: job-wq-1-w2zqe
|
||||||
14s 14s 1 {job } SuccessfulCreate Created pod: job-wq-1-d6ppa
|
14s 14s 1 {job } SuccessfulCreate Created pod: job-wq-1-d6ppa
|
||||||
14s 14s 1 {job } SuccessfulCreate Created pod: job-wq-1-p17e0
|
14s 14s 1 {job } SuccessfulCreate Created pod: job-wq-1-p17e0
|
||||||
```
|
```
|
||||||
|
|
||||||
All our pods succeeded. Yay.
|
All our pods succeeded. Yay.
|
||||||
|
|||||||
@@ -176,20 +176,20 @@ Now wait a bit, then check on the job.
|
|||||||
|
|
||||||
```shell
|
```shell
|
||||||
$ kubectl describe jobs/job-wq-2
|
$ kubectl describe jobs/job-wq-2
|
||||||
Name: job-wq-2
|
Name: job-wq-2
|
||||||
Namespace: default
|
Namespace: default
|
||||||
Image(s): gcr.io/exampleproject/job-wq-2
|
Image(s): gcr.io/exampleproject/job-wq-2
|
||||||
Selector: app in (job-wq-2)
|
Selector: app in (job-wq-2)
|
||||||
Parallelism: 2
|
Parallelism: 2
|
||||||
Completions: Unset
|
Completions: Unset
|
||||||
Start Time: Mon, 11 Jan 2016 17:07:59 -0800
|
Start Time: Mon, 11 Jan 2016 17:07:59 -0800
|
||||||
Labels: app=job-wq-2
|
Labels: app=job-wq-2
|
||||||
Pods Statuses: 1 Running / 0 Succeeded / 0 Failed
|
Pods Statuses: 1 Running / 0 Succeeded / 0 Failed
|
||||||
No volumes.
|
No volumes.
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
||||||
--------- -------- ----- ---- ------------- -------- ------ -------
|
--------- -------- ----- ---- ------------- -------- ------ -------
|
||||||
33s 33s 1 {job-controller } Normal SuccessfulCreate Created pod: job-wq-2-lglf8
|
33s 33s 1 {job-controller } Normal SuccessfulCreate Created pod: job-wq-2-lglf8
|
||||||
|
|
||||||
|
|
||||||
$ kubectl logs pods/job-wq-2-7r7b2
|
$ kubectl logs pods/job-wq-2-7r7b2
|
||||||
|
|||||||
@@ -224,37 +224,37 @@ To wrap up, let's look at what happens if we try to specify a profile that hasn'
|
|||||||
pod "hello-apparmor-2" created
|
pod "hello-apparmor-2" created
|
||||||
|
|
||||||
$ kubectl describe pod hello-apparmor-2
|
$ kubectl describe pod hello-apparmor-2
|
||||||
Name: hello-apparmor-2
|
Name: hello-apparmor-2
|
||||||
Namespace: default
|
Namespace: default
|
||||||
Node: gke-test-default-pool-239f5d02-x1kf/
|
Node: gke-test-default-pool-239f5d02-x1kf/
|
||||||
Start Time: Tue, 30 Aug 2016 17:58:56 -0700
|
Start Time: Tue, 30 Aug 2016 17:58:56 -0700
|
||||||
Labels: <none>
|
Labels: <none>
|
||||||
Status: Failed
|
Status: Failed
|
||||||
Reason: AppArmor
|
Reason: AppArmor
|
||||||
Message: Pod Cannot enforce AppArmor: profile "k8s-apparmor-example-allow-write" is not loaded
|
Message: Pod Cannot enforce AppArmor: profile "k8s-apparmor-example-allow-write" is not loaded
|
||||||
IP:
|
IP:
|
||||||
Controllers: <none>
|
Controllers: <none>
|
||||||
Containers:
|
Containers:
|
||||||
hello:
|
hello:
|
||||||
Image: busybox
|
Image: busybox
|
||||||
Port:
|
Port:
|
||||||
Command:
|
Command:
|
||||||
sh
|
sh
|
||||||
-c
|
-c
|
||||||
echo 'Hello AppArmor!' && sleep 1h
|
echo 'Hello AppArmor!' && sleep 1h
|
||||||
Requests:
|
Requests:
|
||||||
cpu: 100m
|
cpu: 100m
|
||||||
Environment Variables: <none>
|
Environment Variables: <none>
|
||||||
Volumes:
|
Volumes:
|
||||||
default-token-dnz7v:
|
default-token-dnz7v:
|
||||||
Type: Secret (a volume populated by a Secret)
|
Type: Secret (a volume populated by a Secret)
|
||||||
SecretName: default-token-dnz7v
|
SecretName: default-token-dnz7v
|
||||||
QoS Tier: Burstable
|
QoS Tier: Burstable
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
||||||
--------- -------- ----- ---- ------------- -------- ------ -------
|
--------- -------- ----- ---- ------------- -------- ------ -------
|
||||||
23s 23s 1 {default-scheduler } Normal Scheduled Successfully assigned hello-apparmor-2 to e2e-test-stclair-minion-group-t1f5
|
23s 23s 1 {default-scheduler } Normal Scheduled Successfully assigned hello-apparmor-2 to e2e-test-stclair-minion-group-t1f5
|
||||||
23s 23s 1 {kubelet e2e-test-stclair-minion-group-t1f5} Warning AppArmor Cannot enforce AppArmor: profile "k8s-apparmor-example-allow-write" is not loaded
|
23s 23s 1 {kubelet e2e-test-stclair-minion-group-t1f5} Warning AppArmor Cannot enforce AppArmor: profile "k8s-apparmor-example-allow-write" is not loaded
|
||||||
|
|
||||||
Note the pod status is Failed, with a helpful error message: `Pod Cannot enforce AppArmor: profile
|
Note the pod status is Failed, with a helpful error message: `Pod Cannot enforce AppArmor: profile
|
||||||
"k8s-apparmor-example-allow-write" is not loaded`. An event was also recorded with the same message.
|
"k8s-apparmor-example-allow-write" is not loaded`. An event was also recorded with the same message.
|
||||||
|
|||||||
@@ -58,19 +58,19 @@ kubectl describe deployment hello
|
|||||||
The output is similar to this:
|
The output is similar to this:
|
||||||
|
|
||||||
```
|
```
|
||||||
Name: hello
|
Name: hello
|
||||||
Namespace: default
|
Namespace: default
|
||||||
CreationTimestamp: Mon, 24 Oct 2016 14:21:02 -0700
|
CreationTimestamp: Mon, 24 Oct 2016 14:21:02 -0700
|
||||||
Labels: app=hello
|
Labels: app=hello
|
||||||
tier=backend
|
tier=backend
|
||||||
track=stable
|
track=stable
|
||||||
Selector: app=hello,tier=backend,track=stable
|
Selector: app=hello,tier=backend,track=stable
|
||||||
Replicas: 7 updated | 7 total | 7 available | 0 unavailable
|
Replicas: 7 updated | 7 total | 7 available | 0 unavailable
|
||||||
StrategyType: RollingUpdate
|
StrategyType: RollingUpdate
|
||||||
MinReadySeconds: 0
|
MinReadySeconds: 0
|
||||||
RollingUpdateStrategy: 1 max unavailable, 1 max surge
|
RollingUpdateStrategy: 1 max unavailable, 1 max surge
|
||||||
OldReplicaSets: <none>
|
OldReplicaSets: <none>
|
||||||
NewReplicaSet: hello-3621623197 (7/7 replicas created)
|
NewReplicaSet: hello-3621623197 (7/7 replicas created)
|
||||||
Events:
|
Events:
|
||||||
...
|
...
|
||||||
```
|
```
|
||||||
|
|||||||
@@ -91,20 +91,20 @@ for a secure solution.
|
|||||||
|
|
||||||
kubectl describe deployment mysql
|
kubectl describe deployment mysql
|
||||||
|
|
||||||
Name: mysql
|
Name: mysql
|
||||||
Namespace: default
|
Namespace: default
|
||||||
CreationTimestamp: Tue, 01 Nov 2016 11:18:45 -0700
|
CreationTimestamp: Tue, 01 Nov 2016 11:18:45 -0700
|
||||||
Labels: app=mysql
|
Labels: app=mysql
|
||||||
Selector: app=mysql
|
Selector: app=mysql
|
||||||
Replicas: 1 updated | 1 total | 0 available | 1 unavailable
|
Replicas: 1 updated | 1 total | 0 available | 1 unavailable
|
||||||
StrategyType: Recreate
|
StrategyType: Recreate
|
||||||
MinReadySeconds: 0
|
MinReadySeconds: 0
|
||||||
OldReplicaSets: <none>
|
OldReplicaSets: <none>
|
||||||
NewReplicaSet: mysql-63082529 (1/1 replicas created)
|
NewReplicaSet: mysql-63082529 (1/1 replicas created)
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
||||||
--------- -------- ----- ---- ------------- -------- ------ -------
|
--------- -------- ----- ---- ------------- -------- ------ -------
|
||||||
33s 33s 1 {deployment-controller } Normal ScalingReplicaSet Scaled up replica set mysql-63082529 to 1
|
33s 33s 1 {deployment-controller } Normal ScalingReplicaSet Scaled up replica set mysql-63082529 to 1
|
||||||
|
|
||||||
1. List the pods created by the Deployment:
|
1. List the pods created by the Deployment:
|
||||||
|
|
||||||
@@ -117,33 +117,33 @@ for a secure solution.
|
|||||||
|
|
||||||
kubectl describe pv mysql-pv
|
kubectl describe pv mysql-pv
|
||||||
|
|
||||||
Name: mysql-pv
|
Name: mysql-pv
|
||||||
Labels: <none>
|
Labels: <none>
|
||||||
Status: Bound
|
Status: Bound
|
||||||
Claim: default/mysql-pv-claim
|
Claim: default/mysql-pv-claim
|
||||||
Reclaim Policy: Retain
|
Reclaim Policy: Retain
|
||||||
Access Modes: RWO
|
Access Modes: RWO
|
||||||
Capacity: 20Gi
|
Capacity: 20Gi
|
||||||
Message:
|
Message:
|
||||||
Source:
|
Source:
|
||||||
Type: GCEPersistentDisk (a Persistent Disk resource in Google Compute Engine)
|
Type: GCEPersistentDisk (a Persistent Disk resource in Google Compute Engine)
|
||||||
PDName: mysql-disk
|
PDName: mysql-disk
|
||||||
FSType: ext4
|
FSType: ext4
|
||||||
Partition: 0
|
Partition: 0
|
||||||
ReadOnly: false
|
ReadOnly: false
|
||||||
No events.
|
No events.
|
||||||
|
|
||||||
1. Inspect the PersistentVolumeClaim:
|
1. Inspect the PersistentVolumeClaim:
|
||||||
|
|
||||||
kubectl describe pvc mysql-pv-claim
|
kubectl describe pvc mysql-pv-claim
|
||||||
|
|
||||||
Name: mysql-pv-claim
|
Name: mysql-pv-claim
|
||||||
Namespace: default
|
Namespace: default
|
||||||
Status: Bound
|
Status: Bound
|
||||||
Volume: mysql-pv
|
Volume: mysql-pv
|
||||||
Labels: <none>
|
Labels: <none>
|
||||||
Capacity: 20Gi
|
Capacity: 20Gi
|
||||||
Access Modes: RWO
|
Access Modes: RWO
|
||||||
No events.
|
No events.
|
||||||
|
|
||||||
## Accessing the MySQL instance
|
## Accessing the MySQL instance
|
||||||
|
|||||||
@@ -877,9 +877,9 @@ word to test the server's health.
|
|||||||
ZK_CLIENT_PORT=${ZK_CLIENT_PORT:-2181}
|
ZK_CLIENT_PORT=${ZK_CLIENT_PORT:-2181}
|
||||||
OK=$(echo ruok | nc 127.0.0.1 $ZK_CLIENT_PORT)
|
OK=$(echo ruok | nc 127.0.0.1 $ZK_CLIENT_PORT)
|
||||||
if [ "$OK" == "imok" ]; then
|
if [ "$OK" == "imok" ]; then
|
||||||
exit 0
|
exit 0
|
||||||
else
|
else
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
```
|
```
|
||||||
|
|
||||||
|
|||||||
@@ -57,49 +57,49 @@ We can retrieve a lot more information about each of these pods using `kubectl d
|
|||||||
|
|
||||||
```shell
|
```shell
|
||||||
$ kubectl describe pod nginx-deployment-1006230814-6winp
|
$ kubectl describe pod nginx-deployment-1006230814-6winp
|
||||||
Name: nginx-deployment-1006230814-6winp
|
Name: nginx-deployment-1006230814-6winp
|
||||||
Namespace: default
|
Namespace: default
|
||||||
Node: kubernetes-node-wul5/10.240.0.9
|
Node: kubernetes-node-wul5/10.240.0.9
|
||||||
Start Time: Thu, 24 Mar 2016 01:39:49 +0000
|
Start Time: Thu, 24 Mar 2016 01:39:49 +0000
|
||||||
Labels: app=nginx,pod-template-hash=1006230814
|
Labels: app=nginx,pod-template-hash=1006230814
|
||||||
Status: Running
|
Status: Running
|
||||||
IP: 10.244.0.6
|
IP: 10.244.0.6
|
||||||
Controllers: ReplicaSet/nginx-deployment-1006230814
|
Controllers: ReplicaSet/nginx-deployment-1006230814
|
||||||
Containers:
|
Containers:
|
||||||
nginx:
|
nginx:
|
||||||
Container ID: docker://90315cc9f513c724e9957a4788d3e625a078de84750f244a40f97ae355eb1149
|
Container ID: docker://90315cc9f513c724e9957a4788d3e625a078de84750f244a40f97ae355eb1149
|
||||||
Image: nginx
|
Image: nginx
|
||||||
Image ID: docker://6f62f48c4e55d700cf3eb1b5e33fa051802986b77b874cc351cce539e5163707
|
Image ID: docker://6f62f48c4e55d700cf3eb1b5e33fa051802986b77b874cc351cce539e5163707
|
||||||
Port: 80/TCP
|
Port: 80/TCP
|
||||||
QoS Tier:
|
QoS Tier:
|
||||||
cpu: Guaranteed
|
cpu: Guaranteed
|
||||||
memory: Guaranteed
|
memory: Guaranteed
|
||||||
Limits:
|
Limits:
|
||||||
cpu: 500m
|
cpu: 500m
|
||||||
memory: 128Mi
|
memory: 128Mi
|
||||||
Requests:
|
Requests:
|
||||||
memory: 128Mi
|
memory: 128Mi
|
||||||
cpu: 500m
|
cpu: 500m
|
||||||
State: Running
|
State: Running
|
||||||
Started: Thu, 24 Mar 2016 01:39:51 +0000
|
Started: Thu, 24 Mar 2016 01:39:51 +0000
|
||||||
Ready: True
|
Ready: True
|
||||||
Restart Count: 0
|
Restart Count: 0
|
||||||
Environment Variables:
|
Environment Variables:
|
||||||
Conditions:
|
Conditions:
|
||||||
Type Status
|
Type Status
|
||||||
Ready True
|
Ready True
|
||||||
Volumes:
|
Volumes:
|
||||||
default-token-4bcbi:
|
default-token-4bcbi:
|
||||||
Type: Secret (a volume populated by a Secret)
|
Type: Secret (a volume populated by a Secret)
|
||||||
SecretName: default-token-4bcbi
|
SecretName: default-token-4bcbi
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
||||||
--------- -------- ----- ---- ------------- -------- ------ -------
|
--------- -------- ----- ---- ------------- -------- ------ -------
|
||||||
54s 54s 1 {default-scheduler } Normal Scheduled Successfully assigned nginx-deployment-1006230814-6winp to kubernetes-node-wul5
|
54s 54s 1 {default-scheduler } Normal Scheduled Successfully assigned nginx-deployment-1006230814-6winp to kubernetes-node-wul5
|
||||||
54s 54s 1 {kubelet kubernetes-node-wul5} spec.containers{nginx} Normal Pulling pulling image "nginx"
|
54s 54s 1 {kubelet kubernetes-node-wul5} spec.containers{nginx} Normal Pulling pulling image "nginx"
|
||||||
53s 53s 1 {kubelet kubernetes-node-wul5} spec.containers{nginx} Normal Pulled Successfully pulled image "nginx"
|
53s 53s 1 {kubelet kubernetes-node-wul5} spec.containers{nginx} Normal Pulled Successfully pulled image "nginx"
|
||||||
53s 53s 1 {kubelet kubernetes-node-wul5} spec.containers{nginx} Normal Created Created container with docker id 90315cc9f513
|
53s 53s 1 {kubelet kubernetes-node-wul5} spec.containers{nginx} Normal Created Created container with docker id 90315cc9f513
|
||||||
53s 53s 1 {kubelet kubernetes-node-wul5} spec.containers{nginx} Normal Started Started container with docker id 90315cc9f513
|
53s 53s 1 {kubelet kubernetes-node-wul5} spec.containers{nginx} Normal Started Started container with docker id 90315cc9f513
|
||||||
```
|
```
|
||||||
|
|
||||||
Here you can see configuration information about the container(s) and Pod (labels, resource requirements, etc.), as well as status information about the container(s) and Pod (state, readiness, restart count, events, etc.)
|
Here you can see configuration information about the container(s) and Pod (labels, resource requirements, etc.), as well as status information about the container(s) and Pod (state, readiness, restart count, events, etc.)
|
||||||
@@ -132,35 +132,35 @@ To find out why the nginx-deployment-1370807587-fz9sd pod is not running, we can
|
|||||||
|
|
||||||
```shell
|
```shell
|
||||||
$ kubectl describe pod nginx-deployment-1370807587-fz9sd
|
$ kubectl describe pod nginx-deployment-1370807587-fz9sd
|
||||||
Name: nginx-deployment-1370807587-fz9sd
|
Name: nginx-deployment-1370807587-fz9sd
|
||||||
Namespace: default
|
Namespace: default
|
||||||
Node: /
|
Node: /
|
||||||
Labels: app=nginx,pod-template-hash=1370807587
|
Labels: app=nginx,pod-template-hash=1370807587
|
||||||
Status: Pending
|
Status: Pending
|
||||||
IP:
|
IP:
|
||||||
Controllers: ReplicaSet/nginx-deployment-1370807587
|
Controllers: ReplicaSet/nginx-deployment-1370807587
|
||||||
Containers:
|
Containers:
|
||||||
nginx:
|
nginx:
|
||||||
Image: nginx
|
Image: nginx
|
||||||
Port: 80/TCP
|
Port: 80/TCP
|
||||||
QoS Tier:
|
QoS Tier:
|
||||||
memory: Guaranteed
|
memory: Guaranteed
|
||||||
cpu: Guaranteed
|
cpu: Guaranteed
|
||||||
Limits:
|
Limits:
|
||||||
cpu: 1
|
cpu: 1
|
||||||
memory: 128Mi
|
memory: 128Mi
|
||||||
Requests:
|
Requests:
|
||||||
cpu: 1
|
cpu: 1
|
||||||
memory: 128Mi
|
memory: 128Mi
|
||||||
Environment Variables:
|
Environment Variables:
|
||||||
Volumes:
|
Volumes:
|
||||||
default-token-4bcbi:
|
default-token-4bcbi:
|
||||||
Type: Secret (a volume populated by a Secret)
|
Type: Secret (a volume populated by a Secret)
|
||||||
SecretName: default-token-4bcbi
|
SecretName: default-token-4bcbi
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
||||||
--------- -------- ----- ---- ------------- -------- ------ -------
|
--------- -------- ----- ---- ------------- -------- ------ -------
|
||||||
1m 48s 7 {default-scheduler } Warning FailedScheduling pod (nginx-deployment-1370807587-fz9sd) failed to fit in any node
|
1m 48s 7 {default-scheduler } Warning FailedScheduling pod (nginx-deployment-1370807587-fz9sd) failed to fit in any node
|
||||||
fit failure on node (kubernetes-node-6ta5): Node didn't have enough resource: CPU, requested: 1000, used: 1420, capacity: 2000
|
fit failure on node (kubernetes-node-6ta5): Node didn't have enough resource: CPU, requested: 1000, used: 1420, capacity: 2000
|
||||||
fit failure on node (kubernetes-node-wul5): Node didn't have enough resource: CPU, requested: 1000, used: 1100, capacity: 2000
|
fit failure on node (kubernetes-node-wul5): Node didn't have enough resource: CPU, requested: 1000, used: 1100, capacity: 2000
|
||||||
```
|
```
|
||||||
@@ -270,34 +270,34 @@ kubernetes-node-st6x Ready 1h
|
|||||||
kubernetes-node-unaj Ready 1h
|
kubernetes-node-unaj Ready 1h
|
||||||
|
|
||||||
$ kubectl describe node kubernetes-node-861h
|
$ kubectl describe node kubernetes-node-861h
|
||||||
Name: kubernetes-node-861h
|
Name: kubernetes-node-861h
|
||||||
Labels: kubernetes.io/hostname=kubernetes-node-861h
|
Labels: kubernetes.io/hostname=kubernetes-node-861h
|
||||||
CreationTimestamp: Fri, 10 Jul 2015 14:32:29 -0700
|
CreationTimestamp: Fri, 10 Jul 2015 14:32:29 -0700
|
||||||
Conditions:
|
Conditions:
|
||||||
Type Status LastHeartbeatTime LastTransitionTime Reason Message
|
Type Status LastHeartbeatTime LastTransitionTime Reason Message
|
||||||
Ready Unknown Fri, 10 Jul 2015 14:34:32 -0700 Fri, 10 Jul 2015 14:35:15 -0700 Kubelet stopped posting node status.
|
Ready Unknown Fri, 10 Jul 2015 14:34:32 -0700 Fri, 10 Jul 2015 14:35:15 -0700 Kubelet stopped posting node status.
|
||||||
Addresses: 10.240.115.55,104.197.0.26
|
Addresses: 10.240.115.55,104.197.0.26
|
||||||
Capacity:
|
Capacity:
|
||||||
cpu: 1
|
cpu: 1
|
||||||
memory: 3800808Ki
|
memory: 3800808Ki
|
||||||
pods: 100
|
pods: 100
|
||||||
Version:
|
Version:
|
||||||
Kernel Version: 3.16.0-0.bpo.4-amd64
|
Kernel Version: 3.16.0-0.bpo.4-amd64
|
||||||
OS Image: Debian GNU/Linux 7 (wheezy)
|
OS Image: Debian GNU/Linux 7 (wheezy)
|
||||||
Container Runtime Version: docker://Unknown
|
Container Runtime Version: docker://Unknown
|
||||||
Kubelet Version: v0.21.1-185-gffc5a86098dc01
|
Kubelet Version: v0.21.1-185-gffc5a86098dc01
|
||||||
Kube-Proxy Version: v0.21.1-185-gffc5a86098dc01
|
Kube-Proxy Version: v0.21.1-185-gffc5a86098dc01
|
||||||
PodCIDR: 10.244.0.0/24
|
PodCIDR: 10.244.0.0/24
|
||||||
ExternalID: 15233045891481496305
|
ExternalID: 15233045891481496305
|
||||||
Pods: (0 in total)
|
Pods: (0 in total)
|
||||||
Namespace Name
|
Namespace Name
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubobjectPath Reason Message
|
FirstSeen LastSeen Count From SubobjectPath Reason Message
|
||||||
Fri, 10 Jul 2015 14:32:28 -0700 Fri, 10 Jul 2015 14:32:28 -0700 1 {kubelet kubernetes-node-861h} NodeNotReady Node kubernetes-node-861h status is now: NodeNotReady
|
Fri, 10 Jul 2015 14:32:28 -0700 Fri, 10 Jul 2015 14:32:28 -0700 1 {kubelet kubernetes-node-861h} NodeNotReady Node kubernetes-node-861h status is now: NodeNotReady
|
||||||
Fri, 10 Jul 2015 14:32:30 -0700 Fri, 10 Jul 2015 14:32:30 -0700 1 {kubelet kubernetes-node-861h} NodeNotReady Node kubernetes-node-861h status is now: NodeNotReady
|
Fri, 10 Jul 2015 14:32:30 -0700 Fri, 10 Jul 2015 14:32:30 -0700 1 {kubelet kubernetes-node-861h} NodeNotReady Node kubernetes-node-861h status is now: NodeNotReady
|
||||||
Fri, 10 Jul 2015 14:33:00 -0700 Fri, 10 Jul 2015 14:33:00 -0700 1 {kubelet kubernetes-node-861h} starting Starting kubelet.
|
Fri, 10 Jul 2015 14:33:00 -0700 Fri, 10 Jul 2015 14:33:00 -0700 1 {kubelet kubernetes-node-861h} starting Starting kubelet.
|
||||||
Fri, 10 Jul 2015 14:33:02 -0700 Fri, 10 Jul 2015 14:33:02 -0700 1 {kubelet kubernetes-node-861h} NodeReady Node kubernetes-node-861h status is now: NodeReady
|
Fri, 10 Jul 2015 14:33:02 -0700 Fri, 10 Jul 2015 14:33:02 -0700 1 {kubelet kubernetes-node-861h} NodeReady Node kubernetes-node-861h status is now: NodeReady
|
||||||
Fri, 10 Jul 2015 14:35:15 -0700 Fri, 10 Jul 2015 14:35:15 -0700 1 {controllermanager } NodeNotReady Node kubernetes-node-861h status is now: NodeNotReady
|
Fri, 10 Jul 2015 14:35:15 -0700 Fri, 10 Jul 2015 14:35:15 -0700 1 {controllermanager } NodeNotReady Node kubernetes-node-861h status is now: NodeNotReady
|
||||||
|
|
||||||
|
|
||||||
$ kubectl get node kubernetes-node-861h -o yaml
|
$ kubectl get node kubernetes-node-861h -o yaml
|
||||||
|
|||||||
@@ -44,34 +44,34 @@ If you need help, just run `kubectl help` from the terminal window.
|
|||||||
|
|
||||||
The following table includes short descriptions and the general syntax for all of the `kubectl` operations:
|
The following table includes short descriptions and the general syntax for all of the `kubectl` operations:
|
||||||
|
|
||||||
Operation | Syntax | Description
|
Operation | Syntax | Description
|
||||||
-------------------- | -------------------- | --------------------
|
-------------------- | -------------------- | --------------------
|
||||||
`annotate` | `kubectl annotate (-f FILENAME | TYPE NAME | TYPE/NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--overwrite] [--all] [--resource-version=version] [flags]` | Add or update the annotations of one or more resources.
|
`annotate` | `kubectl annotate (-f FILENAME | TYPE NAME | TYPE/NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--overwrite] [--all] [--resource-version=version] [flags]` | Add or update the annotations of one or more resources.
|
||||||
`api-versions` | `kubectl api-versions [flags]` | List the API versions that are available.
|
`api-versions` | `kubectl api-versions [flags]` | List the API versions that are available.
|
||||||
`apply` | `kubectl apply -f FILENAME [flags]`| Apply a configuration change to a resource from a file or stdin.
|
`apply` | `kubectl apply -f FILENAME [flags]`| Apply a configuration change to a resource from a file or stdin.
|
||||||
`attach` | `kubectl attach POD -c CONTAINER [-i] [-t] [flags]` | Attach to a running container either to view the output stream or interact with the container (stdin).
|
`attach` | `kubectl attach POD -c CONTAINER [-i] [-t] [flags]` | Attach to a running container either to view the output stream or interact with the container (stdin).
|
||||||
`autoscale` | `kubectl autoscale (-f FILENAME | TYPE NAME | TYPE/NAME) [--min=MINPODS] --max=MAXPODS [--cpu-percent=CPU] [flags]` | Automatically scale the set of pods that are managed by a replication controller.
|
`autoscale` | `kubectl autoscale (-f FILENAME | TYPE NAME | TYPE/NAME) [--min=MINPODS] --max=MAXPODS [--cpu-percent=CPU] [flags]` | Automatically scale the set of pods that are managed by a replication controller.
|
||||||
`cluster-info` | `kubectl cluster-info [flags]` | Display endpoint information about the master and services in the cluster.
|
`cluster-info` | `kubectl cluster-info [flags]` | Display endpoint information about the master and services in the cluster.
|
||||||
`config` | `kubectl config SUBCOMMAND [flags]` | Modifies kubeconfig files. See the individual subcommands for details.
|
`config` | `kubectl config SUBCOMMAND [flags]` | Modifies kubeconfig files. See the individual subcommands for details.
|
||||||
`create` | `kubectl create -f FILENAME [flags]` | Create one or more resources from a file or stdin.
|
`create` | `kubectl create -f FILENAME [flags]` | Create one or more resources from a file or stdin.
|
||||||
`delete` | `kubectl delete (-f FILENAME | TYPE [NAME | /NAME | -l label | --all]) [flags]` | Delete resources either from a file, stdin, or specifying label selectors, names, resource selectors, or resources.
|
`delete` | `kubectl delete (-f FILENAME | TYPE [NAME | /NAME | -l label | --all]) [flags]` | Delete resources either from a file, stdin, or specifying label selectors, names, resource selectors, or resources.
|
||||||
`describe` | `kubectl describe (-f FILENAME | TYPE [NAME_PREFIX | /NAME | -l label]) [flags]` | Display the detailed state of one or more resources.
|
`describe` | `kubectl describe (-f FILENAME | TYPE [NAME_PREFIX | /NAME | -l label]) [flags]` | Display the detailed state of one or more resources.
|
||||||
`edit` | `kubectl edit (-f FILENAME | TYPE NAME | TYPE/NAME) [flags]` | Edit and update the definition of one or more resources on the server by using the default editor.
|
`edit` | `kubectl edit (-f FILENAME | TYPE NAME | TYPE/NAME) [flags]` | Edit and update the definition of one or more resources on the server by using the default editor.
|
||||||
`exec` | `kubectl exec POD [-c CONTAINER] [-i] [-t] [flags] [-- COMMAND [args...]]` | Execute a command against a container in a pod,
|
`exec` | `kubectl exec POD [-c CONTAINER] [-i] [-t] [flags] [-- COMMAND [args...]]` | Execute a command against a container in a pod,
|
||||||
`explain` | `kubectl explain [--include-extended-apis=true] [--recursive=false] [flags]` | Get documentation of various resources. For instance pods, nodes, services, etc.
|
`explain` | `kubectl explain [--include-extended-apis=true] [--recursive=false] [flags]` | Get documentation of various resources. For instance pods, nodes, services, etc.
|
||||||
`expose` | `kubectl expose (-f FILENAME | TYPE NAME | TYPE/NAME) [--port=port] [--protocol=TCP|UDP] [--target-port=number-or-name] [--name=name] [----external-ip=external-ip-of-service] [--type=type] [flags]` | Expose a replication controller, service, or pod as a new Kubernetes service.
|
`expose` | `kubectl expose (-f FILENAME | TYPE NAME | TYPE/NAME) [--port=port] [--protocol=TCP|UDP] [--target-port=number-or-name] [--name=name] [----external-ip=external-ip-of-service] [--type=type] [flags]` | Expose a replication controller, service, or pod as a new Kubernetes service.
|
||||||
`get` | `kubectl get (-f FILENAME | TYPE [NAME | /NAME | -l label]) [--watch] [--sort-by=FIELD] [[-o | --output]=OUTPUT_FORMAT] [flags]` | List one or more resources.
|
`get` | `kubectl get (-f FILENAME | TYPE [NAME | /NAME | -l label]) [--watch] [--sort-by=FIELD] [[-o | --output]=OUTPUT_FORMAT] [flags]` | List one or more resources.
|
||||||
`label` | `kubectl label (-f FILENAME | TYPE NAME | TYPE/NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--overwrite] [--all] [--resource-version=version] [flags]` | Add or update the labels of one or more resources.
|
`label` | `kubectl label (-f FILENAME | TYPE NAME | TYPE/NAME) KEY_1=VAL_1 ... KEY_N=VAL_N [--overwrite] [--all] [--resource-version=version] [flags]` | Add or update the labels of one or more resources.
|
||||||
`logs` | `kubectl logs POD [-c CONTAINER] [--follow] [flags]` | Print the logs for a container in a pod.
|
`logs` | `kubectl logs POD [-c CONTAINER] [--follow] [flags]` | Print the logs for a container in a pod.
|
||||||
`patch` | `kubectl patch (-f FILENAME | TYPE NAME | TYPE/NAME) --patch PATCH [flags]` | Update one or more fields of a resource by using the strategic merge patch process.
|
`patch` | `kubectl patch (-f FILENAME | TYPE NAME | TYPE/NAME) --patch PATCH [flags]` | Update one or more fields of a resource by using the strategic merge patch process.
|
||||||
`port-forward` | `kubectl port-forward POD [LOCAL_PORT:]REMOTE_PORT [...[LOCAL_PORT_N:]REMOTE_PORT_N] [flags]` | Forward one or more local ports to a pod.
|
`port-forward` | `kubectl port-forward POD [LOCAL_PORT:]REMOTE_PORT [...[LOCAL_PORT_N:]REMOTE_PORT_N] [flags]` | Forward one or more local ports to a pod.
|
||||||
`proxy` | `kubectl proxy [--port=PORT] [--www=static-dir] [--www-prefix=prefix] [--api-prefix=prefix] [flags]` | Run a proxy to the Kubernetes API server.
|
`proxy` | `kubectl proxy [--port=PORT] [--www=static-dir] [--www-prefix=prefix] [--api-prefix=prefix] [flags]` | Run a proxy to the Kubernetes API server.
|
||||||
`replace` | `kubectl replace -f FILENAME` | Replace a resource from a file or stdin.
|
`replace` | `kubectl replace -f FILENAME` | Replace a resource from a file or stdin.
|
||||||
`rolling-update` | `kubectl rolling-update OLD_CONTROLLER_NAME ([NEW_CONTROLLER_NAME] --image=NEW_CONTAINER_IMAGE | -f NEW_CONTROLLER_SPEC) [flags]` | Perform a rolling update by gradually replacing the specified replication controller and its pods.
|
`rolling-update` | `kubectl rolling-update OLD_CONTROLLER_NAME ([NEW_CONTROLLER_NAME] --image=NEW_CONTAINER_IMAGE | -f NEW_CONTROLLER_SPEC) [flags]` | Perform a rolling update by gradually replacing the specified replication controller and its pods.
|
||||||
`run` | `kubectl run NAME --image=image [--env="key=value"] [--port=port] [--replicas=replicas] [--dry-run=bool] [--overrides=inline-json] [flags]` | Run a specified image on the cluster.
|
`run` | `kubectl run NAME --image=image [--env="key=value"] [--port=port] [--replicas=replicas] [--dry-run=bool] [--overrides=inline-json] [flags]` | Run a specified image on the cluster.
|
||||||
`scale` | `kubectl scale (-f FILENAME | TYPE NAME | TYPE/NAME) --replicas=COUNT [--resource-version=version] [--current-replicas=count] [flags]` | Update the size of the specified replication controller.
|
`scale` | `kubectl scale (-f FILENAME | TYPE NAME | TYPE/NAME) --replicas=COUNT [--resource-version=version] [--current-replicas=count] [flags]` | Update the size of the specified replication controller.
|
||||||
`stop` | `kubectl stop` | Deprecated: Instead, see `kubectl delete`.
|
`stop` | `kubectl stop` | Deprecated: Instead, see `kubectl delete`.
|
||||||
`version` | `kubectl version [--client] [flags]` | Display the Kubernetes version running on the client and server.
|
`version` | `kubectl version [--client] [flags]` | Display the Kubernetes version running on the client and server.
|
||||||
|
|
||||||
Remember: For more about command operations, see the [kubectl](/docs/user-guide/kubectl) reference documentation.
|
Remember: For more about command operations, see the [kubectl](/docs/user-guide/kubectl) reference documentation.
|
||||||
|
|
||||||
@@ -79,7 +79,7 @@ Remember: For more about command operations, see the [kubectl](/docs/user-guide/
|
|||||||
|
|
||||||
The following table includes a list of all the supported resource types and their abbreviated aliases:
|
The following table includes a list of all the supported resource types and their abbreviated aliases:
|
||||||
|
|
||||||
Resource type | Abbreviated alias
|
Resource type | Abbreviated alias
|
||||||
-------------------- | --------------------
|
-------------------- | --------------------
|
||||||
`clusters` |
|
`clusters` |
|
||||||
`clusterrolebindings` |
|
`clusterrolebindings` |
|
||||||
|
|||||||
@@ -47,43 +47,43 @@ kubectl
|
|||||||
|
|
||||||
### SEE ALSO
|
### SEE ALSO
|
||||||
|
|
||||||
* [kubectl annotate](kubectl_annotate.md) - Update the annotations on a resource
|
* [kubectl annotate](kubectl_annotate.md) - Update the annotations on a resource
|
||||||
* [kubectl api-versions](kubectl_api-versions.md) - Print the supported API versions on the server, in the form of "group/version"
|
* [kubectl api-versions](kubectl_api-versions.md) - Print the supported API versions on the server, in the form of "group/version"
|
||||||
* [kubectl apply](kubectl_apply.md) - Apply a configuration to a resource by filename or stdin
|
* [kubectl apply](kubectl_apply.md) - Apply a configuration to a resource by filename or stdin
|
||||||
* [kubectl attach](kubectl_attach.md) - Attach to a running container
|
* [kubectl attach](kubectl_attach.md) - Attach to a running container
|
||||||
* [kubectl autoscale](kubectl_autoscale.md) - Auto-scale a Deployment, ReplicaSet, or ReplicationController
|
* [kubectl autoscale](kubectl_autoscale.md) - Auto-scale a Deployment, ReplicaSet, or ReplicationController
|
||||||
* [kubectl certificate](kubectl_certificate.md) - Modify certificate resources.
|
* [kubectl certificate](kubectl_certificate.md) - Modify certificate resources.
|
||||||
* [kubectl cluster-info](kubectl_cluster-info.md) - Display cluster info
|
* [kubectl cluster-info](kubectl_cluster-info.md) - Display cluster info
|
||||||
* [kubectl completion](kubectl_completion.md) - Output shell completion code for the given shell (bash or zsh)
|
* [kubectl completion](kubectl_completion.md) - Output shell completion code for the given shell (bash or zsh)
|
||||||
* [kubectl config](kubectl_config.md) - Modify kubeconfig files
|
* [kubectl config](kubectl_config.md) - Modify kubeconfig files
|
||||||
* [kubectl convert](kubectl_convert.md) - Convert config files between different API versions
|
* [kubectl convert](kubectl_convert.md) - Convert config files between different API versions
|
||||||
* [kubectl cordon](kubectl_cordon.md) - Mark node as unschedulable
|
* [kubectl cordon](kubectl_cordon.md) - Mark node as unschedulable
|
||||||
* [kubectl cp](kubectl_cp.md) - Copy files and directories to and from containers.
|
* [kubectl cp](kubectl_cp.md) - Copy files and directories to and from containers.
|
||||||
* [kubectl create](kubectl_create.md) - Create a resource by filename or stdin
|
* [kubectl create](kubectl_create.md) - Create a resource by filename or stdin
|
||||||
* [kubectl delete](kubectl_delete.md) - Delete resources by filenames, stdin, resources and names, or by resources and label selector
|
* [kubectl delete](kubectl_delete.md) - Delete resources by filenames, stdin, resources and names, or by resources and label selector
|
||||||
* [kubectl describe](kubectl_describe.md) - Show details of a specific resource or group of resources
|
* [kubectl describe](kubectl_describe.md) - Show details of a specific resource or group of resources
|
||||||
* [kubectl drain](kubectl_drain.md) - Drain node in preparation for maintenance
|
* [kubectl drain](kubectl_drain.md) - Drain node in preparation for maintenance
|
||||||
* [kubectl edit](kubectl_edit.md) - Edit a resource on the server
|
* [kubectl edit](kubectl_edit.md) - Edit a resource on the server
|
||||||
* [kubectl exec](kubectl_exec.md) - Execute a command in a container
|
* [kubectl exec](kubectl_exec.md) - Execute a command in a container
|
||||||
* [kubectl explain](kubectl_explain.md) - Documentation of resources
|
* [kubectl explain](kubectl_explain.md) - Documentation of resources
|
||||||
* [kubectl expose](kubectl_expose.md) - Take a replication controller, service, deployment or pod and expose it as a new Kubernetes Service
|
* [kubectl expose](kubectl_expose.md) - Take a replication controller, service, deployment or pod and expose it as a new Kubernetes Service
|
||||||
* [kubectl get](kubectl_get.md) - Display one or many resources
|
* [kubectl get](kubectl_get.md) - Display one or many resources
|
||||||
* [kubectl label](kubectl_label.md) - Update the labels on a resource
|
* [kubectl label](kubectl_label.md) - Update the labels on a resource
|
||||||
* [kubectl logs](kubectl_logs.md) - Print the logs for a container in a pod
|
* [kubectl logs](kubectl_logs.md) - Print the logs for a container in a pod
|
||||||
* [kubectl options](kubectl_options.md) -
|
* [kubectl options](kubectl_options.md) -
|
||||||
* [kubectl patch](kubectl_patch.md) - Update field(s) of a resource using strategic merge patch
|
* [kubectl patch](kubectl_patch.md) - Update field(s) of a resource using strategic merge patch
|
||||||
* [kubectl port-forward](kubectl_port-forward.md) - Forward one or more local ports to a pod
|
* [kubectl port-forward](kubectl_port-forward.md) - Forward one or more local ports to a pod
|
||||||
* [kubectl proxy](kubectl_proxy.md) - Run a proxy to the Kubernetes API server
|
* [kubectl proxy](kubectl_proxy.md) - Run a proxy to the Kubernetes API server
|
||||||
* [kubectl replace](kubectl_replace.md) - Replace a resource by filename or stdin
|
* [kubectl replace](kubectl_replace.md) - Replace a resource by filename or stdin
|
||||||
* [kubectl rolling-update](kubectl_rolling-update.md) - Perform a rolling update of the given ReplicationController
|
* [kubectl rolling-update](kubectl_rolling-update.md) - Perform a rolling update of the given ReplicationController
|
||||||
* [kubectl rollout](kubectl_rollout.md) - Manage a deployment rollout
|
* [kubectl rollout](kubectl_rollout.md) - Manage a deployment rollout
|
||||||
* [kubectl run](kubectl_run.md) - Run a particular image on the cluster
|
* [kubectl run](kubectl_run.md) - Run a particular image on the cluster
|
||||||
* [kubectl scale](kubectl_scale.md) - Set a new size for a Deployment, ReplicaSet, Replication Controller, or Job
|
* [kubectl scale](kubectl_scale.md) - Set a new size for a Deployment, ReplicaSet, Replication Controller, or Job
|
||||||
* [kubectl set](kubectl_set.md) - Set specific features on objects
|
* [kubectl set](kubectl_set.md) - Set specific features on objects
|
||||||
* [kubectl taint](kubectl_taint.md) - Update the taints on one or more nodes
|
* [kubectl taint](kubectl_taint.md) - Update the taints on one or more nodes
|
||||||
* [kubectl top](kubectl_top.md) - Display Resource (CPU/Memory/Storage) usage
|
* [kubectl top](kubectl_top.md) - Display Resource (CPU/Memory/Storage) usage
|
||||||
* [kubectl uncordon](kubectl_uncordon.md) - Mark node as schedulable
|
* [kubectl uncordon](kubectl_uncordon.md) - Mark node as schedulable
|
||||||
* [kubectl version](kubectl_version.md) - Print the client and server version information
|
* [kubectl version](kubectl_version.md) - Print the client and server version information
|
||||||
|
|
||||||
###### Auto generated by spf13/cobra on 13-Dec-2016
|
###### Auto generated by spf13/cobra on 13-Dec-2016
|
||||||
|
|
||||||
|
|||||||
+5
-5
@@ -55,11 +55,11 @@ For jQuery to work in Node, a window with a document is required. Since no such
|
|||||||
|
|
||||||
```js
|
```js
|
||||||
require("jsdom").env("", function(err, window) {
|
require("jsdom").env("", function(err, window) {
|
||||||
if (err) {
|
if (err) {
|
||||||
console.error(err);
|
console.error(err);
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
var $ = require("jquery")(window);
|
var $ = require("jquery")(window);
|
||||||
});
|
});
|
||||||
```
|
```
|
||||||
|
|||||||
@@ -246,11 +246,11 @@ web-0 # apt-get update && apt-get install -y dnsutils
|
|||||||
...
|
...
|
||||||
|
|
||||||
web-0 # nslookup -type=srv nginx.default
|
web-0 # nslookup -type=srv nginx.default
|
||||||
Server: 10.0.0.10
|
Server: 10.0.0.10
|
||||||
Address: 10.0.0.10#53
|
Address: 10.0.0.10#53
|
||||||
|
|
||||||
nginx.default.svc.cluster.local service = 10 50 0 web-1.ub.default.svc.cluster.local.
|
nginx.default.svc.cluster.local service = 10 50 0 web-1.ub.default.svc.cluster.local.
|
||||||
nginx.default.svc.cluster.local service = 10 50 0 web-0.ub.default.svc.cluster.local.
|
nginx.default.svc.cluster.local service = 10 50 0 web-0.ub.default.svc.cluster.local.
|
||||||
```
|
```
|
||||||
|
|
||||||
## Updating a PetSet
|
## Updating a PetSet
|
||||||
|
|||||||
@@ -55,20 +55,20 @@ create the defined ReplicaSet and the pods that it manages.
|
|||||||
$ kubectl create -f frontend.yaml
|
$ kubectl create -f frontend.yaml
|
||||||
replicaset "frontend" created
|
replicaset "frontend" created
|
||||||
$ kubectl describe rs/frontend
|
$ kubectl describe rs/frontend
|
||||||
Name: frontend
|
Name: frontend
|
||||||
Namespace: default
|
Namespace: default
|
||||||
Image(s): gcr.io/google_samples/gb-frontend:v3
|
Image(s): gcr.io/google_samples/gb-frontend:v3
|
||||||
Selector: tier=frontend,tier in (frontend)
|
Selector: tier=frontend,tier in (frontend)
|
||||||
Labels: app=guestbook,tier=frontend
|
Labels: app=guestbook,tier=frontend
|
||||||
Replicas: 3 current / 3 desired
|
Replicas: 3 current / 3 desired
|
||||||
Pods Status: 3 Running / 0 Waiting / 0 Succeeded / 0 Failed
|
Pods Status: 3 Running / 0 Waiting / 0 Succeeded / 0 Failed
|
||||||
No volumes.
|
No volumes.
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
FirstSeen LastSeen Count From SubobjectPath Type Reason Message
|
||||||
--------- -------- ----- ---- ------------- -------- ------ -------
|
--------- -------- ----- ---- ------------- -------- ------ -------
|
||||||
1m 1m 1 {replicaset-controller } Normal SuccessfulCreate Created pod: frontend-qhloh
|
1m 1m 1 {replicaset-controller } Normal SuccessfulCreate Created pod: frontend-qhloh
|
||||||
1m 1m 1 {replicaset-controller } Normal SuccessfulCreate Created pod: frontend-dnjpy
|
1m 1m 1 {replicaset-controller } Normal SuccessfulCreate Created pod: frontend-dnjpy
|
||||||
1m 1m 1 {replicaset-controller } Normal SuccessfulCreate Created pod: frontend-9si5l
|
1m 1m 1 {replicaset-controller } Normal SuccessfulCreate Created pod: frontend-9si5l
|
||||||
$ kubectl get pods
|
$ kubectl get pods
|
||||||
NAME READY STATUS RESTARTS AGE
|
NAME READY STATUS RESTARTS AGE
|
||||||
frontend-9si5l 1/1 Running 0 1m
|
frontend-9si5l 1/1 Running 0 1m
|
||||||
|
|||||||
@@ -46,29 +46,25 @@ Check on the status of the ReplicationController using this command:
|
|||||||
|
|
||||||
```shell
|
```shell
|
||||||
$ kubectl describe replicationcontrollers/nginx
|
$ kubectl describe replicationcontrollers/nginx
|
||||||
Name: nginx
|
Name: nginx
|
||||||
Namespace: default
|
Namespace: default
|
||||||
Image(s): nginx
|
Image(s): nginx
|
||||||
Selector: app=nginx
|
Selector: app=nginx
|
||||||
Labels: app=nginx
|
Labels: app=nginx
|
||||||
Replicas: 3 current / 3 desired
|
Replicas: 3 current / 3 desired
|
||||||
Pods Status: 0 Running / 3 Waiting / 0 Succeeded / 0 Failed
|
Pods Status: 0 Running / 3 Waiting / 0 Succeeded / 0 Failed
|
||||||
Events:
|
Events:
|
||||||
FirstSeen LastSeen Count From
|
FirstSeen LastSeen Count From SubobjectPath Reason Message
|
||||||
SubobjectPath Reason Message
|
Thu, 24 Sep 2015 10:38:20 -0700 Thu, 24 Sep 2015 10:38:20 -0700 1 {replication-controller } SuccessfulCreate Created pod: nginx-qrm3m
|
||||||
Thu, 24 Sep 2015 10:38:20 -0700 Thu, 24 Sep 2015 10:38:20 -0700 1
|
Thu, 24 Sep 2015 10:38:20 -0700 Thu, 24 Sep 2015 10:38:20 -0700 1 {replication-controller } SuccessfulCreate Created pod: nginx-3ntk0
|
||||||
{replication-controller } SuccessfulCreate Created pod: nginx-qrm3m
|
Thu, 24 Sep 2015 10:38:20 -0700 Thu, 24 Sep 2015 10:38:20 -0700 1 {replication-controller } SuccessfulCreate Created pod: nginx-4ok8v
|
||||||
Thu, 24 Sep 2015 10:38:20 -0700 Thu, 24 Sep 2015 10:38:20 -0700 1
|
|
||||||
{replication-controller } SuccessfulCreate Created pod: nginx-3ntk0
|
|
||||||
Thu, 24 Sep 2015 10:38:20 -0700 Thu, 24 Sep 2015 10:38:20 -0700 1
|
|
||||||
{replication-controller } SuccessfulCreate Created pod: nginx-4ok8v
|
|
||||||
```
|
```
|
||||||
|
|
||||||
Here, 3 pods have been made, but none are running yet, perhaps because the image is being pulled.
|
Here, 3 pods have been made, but none are running yet, perhaps because the image is being pulled.
|
||||||
A little later, the same command may show:
|
A little later, the same command may show:
|
||||||
|
|
||||||
```shell
|
```shell
|
||||||
Pods Status: 3 Running / 0 Waiting / 0 Succeeded / 0 Failed
|
Pods Status: 3 Running / 0 Waiting / 0 Succeeded / 0 Failed
|
||||||
```
|
```
|
||||||
|
|
||||||
To list all the pods that belong to the rc in a machine readable form, you can use a command like this:
|
To list all the pods that belong to the rc in a machine readable form, you can use a command like this:
|
||||||
|
|||||||
@@ -71,17 +71,17 @@ NAME TYPE DATA AGE
|
|||||||
db-user-pass Opaque 2 51s
|
db-user-pass Opaque 2 51s
|
||||||
|
|
||||||
$ kubectl describe secrets/db-user-pass
|
$ kubectl describe secrets/db-user-pass
|
||||||
Name: db-user-pass
|
Name: db-user-pass
|
||||||
Namespace: default
|
Namespace: default
|
||||||
Labels: <none>
|
Labels: <none>
|
||||||
Annotations: <none>
|
Annotations: <none>
|
||||||
|
|
||||||
Type: Opaque
|
Type: Opaque
|
||||||
|
|
||||||
Data
|
Data
|
||||||
====
|
====
|
||||||
password.txt: 13 bytes
|
password.txt: 13 bytes
|
||||||
username.txt: 6 bytes
|
username.txt: 6 bytes
|
||||||
```
|
```
|
||||||
|
|
||||||
Note that neither `get` nor `describe` shows the contents of the file by default.
|
Note that neither `get` nor `describe` shows the contents of the file by default.
|
||||||
|
|||||||
+7
-7
@@ -9,15 +9,15 @@ title: Contributing to the Kubernetes Documentation
|
|||||||
var forwarding=window.location.hash.replace("#","");
|
var forwarding=window.location.hash.replace("#","");
|
||||||
$( document ).ready(function() {
|
$( document ).ready(function() {
|
||||||
if(forwarding) {
|
if(forwarding) {
|
||||||
$("#generalInstructions").hide();
|
$("#generalInstructions").hide();
|
||||||
$("#continueEdit").show();
|
$("#continueEdit").show();
|
||||||
$("#continueEditButton").text("Edit " + forwarding);
|
$("#continueEditButton").text("Edit " + forwarding);
|
||||||
$("#continueEditButton").attr("href", "https://github.com/kubernetes/kubernetes.github.io/edit/master/" + forwarding)
|
$("#continueEditButton").attr("href", "https://github.com/kubernetes/kubernetes.github.io/edit/master/" + forwarding)
|
||||||
$("#viewOnGithubButton").text("View " + forwarding + " on GitHub");
|
$("#viewOnGithubButton").text("View " + forwarding + " on GitHub");
|
||||||
$("#viewOnGithubButton").attr("href", "https://github.com/kubernetes/kubernetes.github.io/tree/master/" + forwarding)
|
$("#viewOnGithubButton").attr("href", "https://github.com/kubernetes/kubernetes.github.io/tree/master/" + forwarding)
|
||||||
} else {
|
} else {
|
||||||
$("#generalInstructions").show();
|
$("#generalInstructions").show();
|
||||||
$("#continueEdit").hide();
|
$("#continueEdit").hide();
|
||||||
}
|
}
|
||||||
});
|
});
|
||||||
</script>
|
</script>
|
||||||
|
|||||||
Reference in New Issue
Block a user