1.2 additions for getting-started-guides/ and new non-Markdown files for user-guides
This commit is contained in:
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<!-- BEGIN MUNGE: UNVERSIONED_WARNING -->
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<!-- END MUNGE: UNVERSIONED_WARNING -->
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# ConfigMap example
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## Step Zero: Prerequisites
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This example assumes you have a Kubernetes cluster installed and running, and that you have
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installed the `kubectl` command line tool somewhere in your path. Please see the [getting
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started](../../../docs/getting-started-guides/) for installation instructions for your platform.
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## Step One: Create the ConfigMap
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A ConfigMap contains a set of named strings.
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Use the [`examples/configmap/configmap.yaml`](configmap.yaml) file to create a ConfigMap:
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```console
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$ kubectl create -f docs/user-guide/configmap/configmap.yaml
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```
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You can use `kubectl` to see information about the ConfigMap:
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```console
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$ kubectl get configmap
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NAME DATA
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test-secret 2
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$ kubectl describe configMap test-configmap
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Name: test-configmap
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Labels: <none>
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Annotations: <none>
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Data
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====
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data-1: 7 bytes
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data-2: 7 bytes
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```
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View the values of the keys with `kubectl get`:
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```console
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$ cluster/kubectl.sh get configmaps test-configmap -o yaml
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apiVersion: v1
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data:
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data-1: value-1
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data-2: value-2
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kind: ConfigMap
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metadata:
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creationTimestamp: 2016-02-18T20:28:50Z
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name: test-configmap
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namespace: default
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resourceVersion: "1090"
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selfLink: /api/v1/namespaces/default/configmaps/test-configmap
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uid: 384bd365-d67e-11e5-8cd0-68f728db1985
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```
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## Step Two: Create a pod that consumes a configMap in environment variables
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Use the [`examples/configmap/env-pod.yaml`](env-pod.yaml) file to create a Pod that consumes the
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ConfigMap in environment variables.
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```console
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$ kubectl create -f docs/user-guide/configmap/env-pod.yaml
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```
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This pod runs the `env` command to display the environment of the container:
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```console
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$ kubectl logs secret-test-pod
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KUBE_CONFIG_1=value-1
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KUBE_CONFIG_2=value-2
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```
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## Step Three: Create a pod that sets the command line using ConfigMap
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Use the [`examples/configmap/command-pod.yaml`](env-pod.yaml) file to create a Pod with a container
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whose command is injected with the keys of a ConfigMap
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```console
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$ kubectl create -f docs/user-guide/configmap/env-pod.yaml
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```
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This pod runs an `echo` command to display the keys:
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```console
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value-1 value-2
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```
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## Step Four: Create a pod that consumes a configMap in a volume
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Pods can also consume ConfigMaps in volumes. Use the [`examples/configmap/volume-pod.yaml`](volume-pod.yaml) file to create a Pod that consume the ConfigMap in a volume.
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```console
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$ kubectl create -f docs/user-guide/configmap/volume-pod.yaml
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```
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This pod runs a `cat` command to print the value of one of the keys in the volume:
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```console
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value-1
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```
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<!-- BEGIN MUNGE: IS_VERSIONED -->
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<!-- TAG IS_VERSIONED -->
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<!-- END MUNGE: IS_VERSIONED -->
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<!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
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[]()
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<!-- END MUNGE: GENERATED_ANALYTICS -->
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@@ -0,0 +1,21 @@
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apiVersion: v1
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kind: Pod
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metadata:
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name: config-cmd-test-pod
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spec:
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containers:
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- name: test-container
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image: gcr.io/google_containers/busybox
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command: [ "/bin/sh", "-c", "echo $(KUBE_CONFIG_1) $(KUBE_CONFIG_2)" ]
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env:
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- name: KUBE_CONFIG_1
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valueFrom:
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configMapKeyRef:
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name: test-configmap
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key: data-1
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- name: KUBE_CONFIG_2
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valueFrom:
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configMapKeyRef:
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name: test-configmap
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key: data-2
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restartPolicy: Never
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@@ -0,0 +1,7 @@
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: test-configmap
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data:
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data-1: value-1
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data-2: value-2
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apiVersion: v1
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kind: Pod
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metadata:
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name: config-env-test-pod
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spec:
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containers:
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- name: test-container
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image: gcr.io/google_containers/busybox
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command: [ "/bin/sh", "-c", "env" ]
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env:
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- name: KUBE_CONFIG_1
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valueFrom:
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configMapKeyRef:
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name: test-configmap
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key: data-1
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- name: KUBE_CONFIG_2
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valueFrom:
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configMapKeyRef:
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name: test-configmap
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key: data-2
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restartPolicy: Never
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@@ -0,0 +1,7 @@
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enemies=aliens
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lives=3
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enemies.cheat=true
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enemies.cheat.level=noGoodRotten
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secret.code.passphrase=UUDDLRLRBABAS
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secret.code.allowed=true
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secret.code.lives=30
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@@ -0,0 +1,4 @@
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color.good=purple
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color.bad=yellow
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allow.textmode=true
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how.nice.to.look=fairlyNice
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@@ -0,0 +1,2 @@
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maxmemory 2mb
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maxmemory-policy allkeys-lru
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@@ -0,0 +1,30 @@
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apiVersion: v1
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kind: Pod
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metadata:
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name: redis
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spec:
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containers:
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- name: redis
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image: kubernetes/redis:v1
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env:
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- name: MASTER
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value: "true"
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ports:
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- containerPort: 6379
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resources:
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limits:
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cpu: "0.1"
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volumeMounts:
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- mountPath: /redis-master-data
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name: data
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- mountPath: /redis-master
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name: config
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volumes:
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- name: data
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emptyDir: {}
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- name: config
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configMap:
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name: example-redis-config
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items:
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- key: redis-config
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path: redis.conf
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@@ -0,0 +1,20 @@
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apiVersion: v1
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kind: Pod
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metadata:
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name: config-volume-test-pod
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spec:
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containers:
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- name: test-container
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image: gcr.io/google_containers/busybox
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command: [ "/bin/sh", "-c", "cat /etc/config/path/to/special-key" ]
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volumeMounts:
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- name: config-volume
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mountPath: /etc/config
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volumes:
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- name: config-volume
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configMap:
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name: test-configmap
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items:
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- key: data-1
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path: path/to/special-key
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restartPolicy: Never
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@@ -0,0 +1,21 @@
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: nginx-deployment
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labels:
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name: nginx-deployment
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spec:
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replicas: 3
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selector:
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matchLabels:
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name: nginx
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template:
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metadata:
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labels:
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name: nginx
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spec:
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containers:
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- name: nginx
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image: nginx
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ports:
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- containerPort: 80
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@@ -7,7 +7,7 @@ spec:
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scaleRef:
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kind: ReplicationController
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name: php-apache
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namespace: default
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subresource: scale
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minReplicas: 1
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maxReplicas: 10
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cpuUtilization:
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@@ -1,3 +1,17 @@
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# Copyright 2016 The Kubernetes Authors All rights reserved.
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#
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||||
# Licensed under the Apache License, Version 2.0 (the "License");
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||||
# you may not use this file except in compliance with the License.
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||||
# You may obtain a copy of the License at
|
||||
#
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||||
# http://www.apache.org/licenses/LICENSE-2.0
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||||
#
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||||
# Unless required by applicable law or agreed to in writing, software
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||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
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||||
# limitations under the License.
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FROM php:5-apache
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ADD index.php /var/www/html/index.php
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@@ -13,6 +13,9 @@ spec:
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||||
httpGet:
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path: /healthz
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||||
port: 8080
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httpHeaders:
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||||
- name: X-Custom-Header
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||||
value: Awesome
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||||
initialDelaySeconds: 15
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||||
timeoutSeconds: 1
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||||
name: liveness
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||||
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@@ -1,3 +1,17 @@
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||||
# Copyright 2016 The Kubernetes Authors All rights reserved.
|
||||
#
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||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
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||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
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||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
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||||
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||||
FROM scratch
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||||
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||||
ADD server /server
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@@ -1,3 +1,17 @@
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||||
# Copyright 2016 The Kubernetes Authors All rights reserved.
|
||||
#
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||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
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||||
all: push
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||||
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||||
server: server.go
|
||||
|
||||
@@ -1,10 +1,24 @@
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||||
# Copyright 2016 The Kubernetes Authors All rights reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
# Makefile for launching synthetic logging sources (any platform)
|
||||
# and for reporting the forwarding rules for the
|
||||
# Elasticsearch and Kibana pods for the GCE platform.
|
||||
# For examples of how to observe the ingested logs please
|
||||
# see the appropriate getting started guide e.g.
|
||||
# Google Cloud Logging: https://github.com/GoogleCloudPlatform/kubernetes/blob/master/docs/getting-started-guides/logging.md
|
||||
# With Elasticsearch and Kibana logging: https://github.com/GoogleCloudPlatform/kubernetes/blob/master/docs/getting-started-guides/logging-elasticsearch.md
|
||||
# Google Cloud Logging: https://github.com/kubernetes/kubernetes/blob/master/docs/getting-started-guides/logging.md
|
||||
# With Elasticsearch and Kibana logging: https://github.com/kubernetes/kubernetes/blob/master/docs/getting-started-guides/logging-elasticsearch.md
|
||||
|
||||
.PHONY: up down logger-up logger-down logger10-up logger10-down
|
||||
|
||||
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||||
@@ -0,0 +1,28 @@
|
||||
apiVersion: v1
|
||||
kind: Pod
|
||||
metadata:
|
||||
name: with-labels
|
||||
annotations:
|
||||
scheduler.alpha.kubernetes.io/affinity: >
|
||||
{
|
||||
"nodeAffinity": {
|
||||
"requiredDuringSchedulingIgnoredDuringExecution": {
|
||||
"nodeSelectorTerms": [
|
||||
{
|
||||
"matchExpressions": [
|
||||
{
|
||||
"key": "kubernetes.io/e2e-az-name",
|
||||
"operator": "In",
|
||||
"values": ["e2e-az1", "e2e-az2"]
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
another-annotation-key: another-annotation-value
|
||||
spec:
|
||||
containers:
|
||||
- name: with-labels
|
||||
image: gcr.io/google_containers/pause:2.0
|
||||
@@ -12,7 +12,7 @@ spec:
|
||||
- containerPort: 80
|
||||
name: "http-server"
|
||||
volumeMounts:
|
||||
- mountPath: "/var/www/html"
|
||||
- mountPath: "/usr/share/nginx/html"
|
||||
name: mypd
|
||||
volumes:
|
||||
- name: mypd
|
||||
|
||||
@@ -10,4 +10,4 @@ spec:
|
||||
accessModes:
|
||||
- ReadWriteOnce
|
||||
hostPath:
|
||||
path: "/tmp/data01"
|
||||
path: "/somepath/data01"
|
||||
|
||||
@@ -10,5 +10,5 @@ spec:
|
||||
accessModes:
|
||||
- ReadWriteOnce
|
||||
hostPath:
|
||||
path: "/tmp/data02"
|
||||
path: "/somepath/data02"
|
||||
persistentVolumeReclaimPolicy: Recycle
|
||||
|
||||
@@ -8,5 +8,5 @@ spec:
|
||||
accessModes:
|
||||
- ReadWriteOnce
|
||||
nfs:
|
||||
path: /tmp
|
||||
path: /somepath
|
||||
server: 172.17.0.2
|
||||
|
||||
@@ -0,0 +1,42 @@
|
||||
apiVersion: extensions/v1beta1
|
||||
kind: ReplicaSet
|
||||
metadata:
|
||||
name: frontend
|
||||
# these labels can be applied automatically
|
||||
# from the labels in the pod template if not set
|
||||
# labels:
|
||||
# app: guestbook
|
||||
# tier: frontend
|
||||
spec:
|
||||
# this replicas value is default
|
||||
# modify it according to your case
|
||||
replicas: 3
|
||||
# selector can be applied automatically
|
||||
# from the labels in the pod template if not set
|
||||
# selector:
|
||||
# matchLabels:
|
||||
# app: guestbook
|
||||
# tier: frontend
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: guestbook
|
||||
tier: frontend
|
||||
spec:
|
||||
containers:
|
||||
- name: php-redis
|
||||
image: gcr.io/google_samples/gb-frontend:v3
|
||||
resources:
|
||||
requests:
|
||||
cpu: 100m
|
||||
memory: 100Mi
|
||||
env:
|
||||
- name: GET_HOSTS_FROM
|
||||
value: dns
|
||||
# If your cluster config does not include a dns service, then to
|
||||
# instead access environment variables to find service host
|
||||
# info, comment out the 'value: dns' line above, and uncomment the
|
||||
# line below.
|
||||
# value: env
|
||||
ports:
|
||||
- containerPort: 80
|
||||
@@ -0,0 +1,44 @@
|
||||
apiVersion: extensions/v1beta1
|
||||
kind: ReplicaSet
|
||||
metadata:
|
||||
name: redis-slave
|
||||
# these labels can be applied automatically
|
||||
# from the labels in the pod template if not set
|
||||
# labels:
|
||||
# app: redis
|
||||
# role: slave
|
||||
# tier: backend
|
||||
spec:
|
||||
# this replicas value is default
|
||||
# modify it according to your case
|
||||
replicas: 2
|
||||
# selector can be applied automatically
|
||||
# from the labels in the pod template if not set
|
||||
# selector:
|
||||
# app: guestbook
|
||||
# role: slave
|
||||
# tier: backend
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: redis
|
||||
role: slave
|
||||
tier: backend
|
||||
spec:
|
||||
containers:
|
||||
- name: slave
|
||||
image: gcr.io/google_samples/gb-redisslave:v1
|
||||
resources:
|
||||
requests:
|
||||
cpu: 100m
|
||||
memory: 100Mi
|
||||
env:
|
||||
- name: GET_HOSTS_FROM
|
||||
value: dns
|
||||
# If your cluster config does not include a dns service, then to
|
||||
# instead access an environment variable to find the master
|
||||
# service's host, comment out the 'value: dns' line above, and
|
||||
# uncomment the line below.
|
||||
# value: env
|
||||
ports:
|
||||
- containerPort: 6379
|
||||
@@ -0,0 +1,16 @@
|
||||
apiVersion: v1
|
||||
kind: Pod
|
||||
metadata:
|
||||
name: secret-env-pod
|
||||
spec:
|
||||
containers:
|
||||
- name: test-container
|
||||
image: gcr.io/google_containers/busybox
|
||||
command: [ "/bin/sh", "-c", "env" ]
|
||||
env:
|
||||
- name: MY_SECRET_DATA
|
||||
valueFrom:
|
||||
secretKeyRef:
|
||||
name: test-secret
|
||||
key: data-1
|
||||
restartPolicy: Never
|
||||
@@ -1,4 +1,4 @@
|
||||
# Copyright 2014 Google Inc. All rights reserved.
|
||||
# Copyright 2016 The Kubernetes Authors All rights reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
# Copyright 2014 Google Inc. All rights reserved.
|
||||
# Copyright 2016 The Kubernetes Authors All rights reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
|
||||
Reference in New Issue
Block a user