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Migrate to new task template (#3442)

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This commit is contained in:
Will Sean Don
2017-04-20 12:55:32 -07:00
committed by Andrew Chen
parent 830adcb3cc
commit e648c764ab
4 changed files with 110 additions and 126 deletions
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docs/tasks/administer-federation/configmap.md
+18 -20
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@@ -2,33 +2,27 @@
title: Federated ConfigMap title: Federated ConfigMap
--- ---
{% capture overview %}
This guide explains how to use ConfigMaps in a Federation control plane. This guide explains how to use ConfigMaps in a Federation control plane.
* TOC
{:toc}
## Prerequisites
This guide assumes that you have a running Kubernetes Cluster
Federation installation. If not, then head over to the
[federation admin guide](/docs/admin/federation/) to learn how to
bring up a cluster federation (or have your cluster administrator do
this for you).
Other tutorials, such as Kelsey Hightower's
[Federated Kubernetes Tutorial](https://github.com/kelseyhightower/kubernetes-cluster-federation),
might also help you create a Federated Kubernetes cluster.
You should also have a basic
[working knowledge of Kubernetes](/docs/getting-started-guides/) in
general and [ConfigMaps](/docs/tasks/configure-pod-container/configmap/) in particular.
## Overview
Federated ConfigMaps are very similar to the traditional [Kubernetes Federated ConfigMaps are very similar to the traditional [Kubernetes
ConfigMaps](/docs/tasks/configure-pod-container/configmap/) and provide the same functionality. ConfigMaps](/docs/tasks/configure-pod-container/configmap/) and provide the same functionality.
Creating them in the federation control plane ensures that they are synchronized Creating them in the federation control plane ensures that they are synchronized
across all the clusters in federation. across all the clusters in federation.
{% endcapture %}
{% capture prerequisites %}
* {% include federated-task-tutorial-prereqs.md %}
* You should also have a basic
[working knowledge of Kubernetes](/docs/setup/pick-right-solution/) in
general and [ConfigMaps](/docs/tasks/configure-pod-container/configmap/) in particular.
{% endcapture %}
{% capture steps %}
## Creating a Federated ConfigMap ## Creating a Federated ConfigMap
@@ -85,3 +79,7 @@ Note that at this point, deleting a Federated ConfigMap will not delete the
corresponding ConfigMaps from underlying clusters. corresponding ConfigMaps from underlying clusters.
You must delete the underlying ConfigMaps manually. You must delete the underlying ConfigMaps manually.
We intend to fix this in the future. We intend to fix this in the future.
{% endcapture %}
{% include templates/task.md %}
docs/tasks/administer-federation/daemonset.md
+18 -25
View File
@@ -1,35 +1,26 @@
--- ---
title: Federated DaemonSet title: Federated DaemonSet
--- ---
{% capture overview %}
This guide explains how to use DaemonSets in a federation control plane. This guide explains how to use DaemonSets in a federation control plane.
* TOC DaemonSets in the federation control plane ("Federated Daemonsets" in
{:toc}
## Prerequisites
This guide assumes that you have a running Kubernetes Cluster
Federation installation. If not, then head over to the
[federation admin guide](/docs/admin/federation/) to learn how to
bring up a cluster federation (or have your cluster administrator do
this for you).
Other tutorials, such as Kelsey Hightower's
[Federated Kubernetes Tutorial](https://github.com/kelseyhightower/kubernetes-cluster-federation),
might also help you create a Federated Kubernetes cluster.
You should also have a basic
[working knowledge of Kubernetes](/docs/getting-started-guides/) in
general and DaemonSets in particular.
## Overview
DaemonSets in federation control plane ("Federated Daemonsets" in
this guide) are very similar to the traditional Kubernetes this guide) are very similar to the traditional Kubernetes
DaemonSets and provide the same functionality. [DaemonSets](/docs/concepts/workloads/controllers/daemonset/) and provide the same functionality.
Creating them in the federation control plane ensures that they are synchronized Creating them in the federation control plane ensures that they are synchronized
across all the clusters in federation. across all the clusters in federation.
{% endcapture %}
{% capture prerequisites %}
* {% include federated-task-tutorial-prereqs.md %}
* You are also expected to have a basic
[working knowledge of Kubernetes](/docs/setup/pick-right-solution/) in
general and [DaemonSets](/docs/concepts/workloads/controllers/daemonset/) in particular.
{% endcapture %}
{% capture steps %}
## Creating a Federated Daemonset ## Creating a Federated Daemonset
@@ -58,8 +49,6 @@ kubectl --context=gce-asia-east1a get daemonset mydaemonset
The above assumes that you have a context named 'gce-asia-east1a' The above assumes that you have a context named 'gce-asia-east1a'
configured in your client for your cluster in that zone. configured in your client for your cluster in that zone.
These DaemonSets in underlying clusters will match the Federated Daemonset.
## Updating a Federated Daemonset ## Updating a Federated Daemonset
@@ -81,3 +70,7 @@ For example, you can do that using kubectl by running:
```shell ```shell
kubectl --context=federation-cluster delete daemonset mydaemonset kubectl --context=federation-cluster delete daemonset mydaemonset
``` ```
{% endcapture %}
{% include templates/task.md %}
docs/tasks/administer-federation/namespaces.md
+32 -35
View File
@@ -2,38 +2,31 @@
title: Federated Namespaces title: Federated Namespaces
--- ---
This guide explains how to use namespaces in Federation control plane. {% capture overview %}
This guide explains how to use Namespaces in Federation control plane.
* TOC Namespaces in federation control plane (referred to as "federated Namespaces" in
{:toc}
## Prerequisites
This guide assumes that you have a running Kubernetes Cluster
Federation installation. If not, then head over to the
[federation admin guide](/docs/admin/federation/) to learn how to
bring up a cluster federation (or have your cluster administrator do
this for you). Other tutorials, for example
[this one](https://github.com/kelseyhightower/kubernetes-cluster-federation)
by Kelsey Hightower, are also available to help you.
You are also expected to have a basic
[working knowledge of Kubernetes](/docs/getting-started-guides/) in
general and [Namespaces](/docs/concepts/overview/working-with-objects/namespaces/) in particular.
## Overview
Namespaces in federation control plane (referred to as "federated namespaces" in
this guide) are very similar to the traditional [Kubernetes this guide) are very similar to the traditional [Kubernetes
Namespaces](/docs/concepts/overview/working-with-objects/namespaces/) providing the same functionality. Namespaces](/docs/concepts/overview/working-with-objects/namespaces/) providing the same functionality.
Creating them in the federation control plane ensures that they are synchronized Creating them in the federation control plane ensures that they are synchronized
across all the clusters in federation. across all the clusters in federation.
{% endcapture %}
{% capture prerequisites %}
* {% include federated-task-tutorial-prereqs.md %}
* You are also expected to have a basic
[working knowledge of Kubernetes](/docs/setup/pick-right-solution/) in
general and [Namespaces](/docs/concepts/overview/working-with-objects/namespaces/) in particular.
{% endcapture %}
{% capture steps %}
## Creating a Federated Namespace ## Creating a Federated Namespace
The API for Federated Namespaces is 100% compatible with the The API for Federated Namespaces is 100% compatible with the
API for traditional Kubernetes Namespaces. You can create a namespace by sending API for traditional Kubernetes Namespaces. You can create a Namespace by sending
a request to the federation apiserver. a request to the federation apiserver.
You can do that using kubectl by running: You can do that using kubectl by running:
@@ -46,8 +39,8 @@ The '--context=federation-cluster' flag tells kubectl to submit the
request to the Federation apiserver instead of sending it to a Kubernetes request to the Federation apiserver instead of sending it to a Kubernetes
cluster. cluster.
Once a federated namespace is created, the federation control plane will create Once a federated Namespace is created, the federation control plane will create
a matching namespace in all underlying Kubernetes clusters. a matching Namespace in all underlying Kubernetes clusters.
You can verify this by checking each of the underlying clusters, for example: You can verify this by checking each of the underlying clusters, for example:
``` shell ``` shell
@@ -56,23 +49,23 @@ kubectl --context=gce-asia-east1a get namespaces myns
The above assumes that you have a context named 'gce-asia-east1a' The above assumes that you have a context named 'gce-asia-east1a'
configured in your client for your cluster in that zone. The name and configured in your client for your cluster in that zone. The name and
spec of the underlying namespace will match those of spec of the underlying Namespace will match those of
the Federated Namespace that you created above. the Federated Namespace that you created above.
## Updating a Federated Namespace ## Updating a Federated Namespace
You can update a federated namespace as you would update a Kubernetes You can update a federated Namespace as you would update a Kubernetes
namespace, just send the request to federation apiserver instead of sending it Namespace, just send the request to federation apiserver instead of sending it
to a specific Kubernetes cluster. to a specific Kubernetes cluster.
Federation control plan will ensure that whenever the federated namespace is Federation control plan will ensure that whenever the federated Namespace is
updated, it updates the corresponding namespaces in all underlying clusters to updated, it updates the corresponding Namespaces in all underlying clusters to
match it. match it.
## Deleting a Federated Namespace ## Deleting a Federated Namespace
You can delete a federated namespace as you would delete a Kubernetes You can delete a federated Namespace as you would delete a Kubernetes
namespace, just send the request to federation apiserver instead of sending it Namespace, just send the request to federation apiserver instead of sending it
to a specific Kubernetes cluster. to a specific Kubernetes cluster.
For example, you can do that using kubectl by running: For example, you can do that using kubectl by running:
@@ -81,10 +74,14 @@ For example, you can do that using kubectl by running:
kubectl --context=federation-cluster delete ns myns kubectl --context=federation-cluster delete ns myns
``` ```
As in Kubernetes, deleting a federated namespace will delete all resources in that As in Kubernetes, deleting a federated Namespace will delete all resources in that
namespace from the federation control plane. Namespace from the federation control plane.
Note that at this point, deleting a federated namespace will not delete the Note that at this point, deleting a federated Namespace will not delete the
corresponding namespaces and resources in those namespaces from underlying clusters. corresponding Namespace and resources in those Namespaces from underlying clusters.
Users are expected to delete them manually. Users are expected to delete them manually.
We intend to fix this in the future. We intend to fix this in the future.
{% endcapture %}
{% include templates/task.md %}
docs/tasks/administer-federation/replicaset.md
+41 -45
View File
@@ -2,38 +2,30 @@
title: Federated ReplicaSets title: Federated ReplicaSets
--- ---
This guide explains how to use replica sets in the Federation control plane. {% capture overview %}
This guide explains how to use ReplicaSets in the Federation control plane.
* TOC ReplicaSets in the federation control plane (referred to as "federated ReplicaSets" in
{:toc}
## Prerequisites
This guide assumes that you have a running Kubernetes Cluster
Federation installation. If not, then head over to the
[federation admin guide](/docs/admin/federation/) to learn how to
bring up a cluster federation (or have your cluster administrator do
this for you). Other tutorials, for example
[this one](https://github.com/kelseyhightower/kubernetes-cluster-federation)
by Kelsey Hightower, are also available to help you.
You are also expected to have a basic
[working knowledge of Kubernetes](/docs/getting-started-guides/) in
general and [ReplicaSets](/docs/concepts/workloads/controllers/replicaset/) in particular.
## Overview
Replica Sets in federation control plane (referred to as "federated replica sets" in
this guide) are very similar to the traditional [Kubernetes this guide) are very similar to the traditional [Kubernetes
ReplicaSets](/docs/concepts/workloads/controllers/replicaset/), and provide the same functionality. ReplicaSets](/docs/concepts/workloads/controllers/replicaset/), and provide the same functionality.
Creating them in the federation control plane ensures that the desired number of Creating them in the federation control plane ensures that the desired number of
replicas exist across the registered clusters. replicas exist across the registered clusters.
{% endcapture %}
{% capture prerequisites %}
## Creating a Federated Replica Set * {% include federated-task-tutorial-prereqs.md %}
* You are also expected to have a basic
[working knowledge of Kubernetes](/docs/getting-started-guides/) in
general and [ReplicaSets](/docs/concepts/workloads/controllers/replicaset/) in particular.
{% endcapture %}
The API for Federated Replica Set is 100% compatible with the {% capture steps %}
API for traditional Kubernetes Replica Set. You can create a replica set by sending
## Creating a Federated ReplicaSet
The API for Federated ReplicaSet is 100% compatible with the
API for traditional Kubernetes ReplicaSet. You can create a ReplicaSet by sending
a request to the federation apiserver. a request to the federation apiserver.
You can do that using [kubectl](/docs/user-guide/kubectl/) by running: You can do that using [kubectl](/docs/user-guide/kubectl/) by running:
@@ -46,8 +38,8 @@ The '--context=federation-cluster' flag tells kubectl to submit the
request to the Federation apiserver instead of sending it to a Kubernetes request to the Federation apiserver instead of sending it to a Kubernetes
cluster. cluster.
Once a federated replica set is created, the federation control plane will create Once a federated ReplicaSet is created, the federation control plane will create
a replica set in all underlying Kubernetes clusters. a ReplicaSet in all underlying Kubernetes clusters.
You can verify this by checking each of the underlying clusters, for example: You can verify this by checking each of the underlying clusters, for example:
``` shell ``` shell
@@ -57,40 +49,40 @@ kubectl --context=gce-asia-east1a get rs myrs
The above assumes that you have a context named 'gce-asia-east1a' The above assumes that you have a context named 'gce-asia-east1a'
configured in your client for your cluster in that zone. configured in your client for your cluster in that zone.
These replica sets in underlying clusters will match the federation replica set The ReplicaSets in the underlying clusters will match the federation ReplicaSet
except in the number of replicas. Federation control plane will ensure that the except in the number of replicas. The federation control plane will ensure that the
sum of replicas in each cluster match the desired number of replicas in the sum of the replicas in each cluster match the desired number of replicas in the
federation replica set. federation ReplicaSet.
### Spreading Replicas in Underlying Clusters ### Spreading Replicas in Underlying Clusters
By default, replicas are spread equally in all the underlying clusters. For ex: By default, replicas are spread equally in all the underlying clusters. For ex:
if you have 3 registered clusters and you create a federated replica set with if you have 3 registered clusters and you create a federated ReplicaSet with
`spec.replicas = 9`, then each replica set in the 3 clusters will have `spec.replicas = 9`, then each ReplicaSet in the 3 clusters will have
`spec.replicas=3`. `spec.replicas=3`.
To modify the number of replicas in each cluster, you can specify To modify the number of replicas in each cluster, you can specify
[FederatedReplicaSetPreference](https://github.com/kubernetes/kubernetes/blob/{{page.githubbranch}}/federation/apis/federation/types.go) [FederatedReplicaSetPreference](https://github.com/kubernetes/kubernetes/blob/{{page.githubbranch}}/federation/apis/federation/types.go)
as an annotation with key `federation.kubernetes.io/replica-set-preferences` as an annotation with key `federation.kubernetes.io/replica-set-preferences`
on federated replica set. on the federated ReplicaSet.
## Updating a Federated Replica Set ## Updating a Federated ReplicaSet
You can update a federated replica set as you would update a Kubernetes You can update a federated ReplicaSet as you would update a Kubernetes
replica set; however, for a federated replica set, you must send the request to ReplicaSet; however, for a federated ReplicaSet, you must send the request to
the federation apiserver instead of sending it to a specific Kubernetes cluster. the federation apiserver instead of sending it to a specific Kubernetes cluster.
The Federation control plan ensures that whenever the federated replica set is The Federation control plane ensures that whenever the federated ReplicaSet is
updated, it updates the corresponding replica sets in all underlying clusters to updated, it updates the corresponding ReplicaSet in all underlying clusters to
match it. match it.
If your update includes a change in number of replicas, the federation If your update includes a change in number of replicas, the federation
control plane will change the number of replicas in underlying clusters to control plane will change the number of replicas in underlying clusters to
ensure that their sum remains equal to the number of desired replicas in ensure that their sum remains equal to the number of desired replicas in
federated replica set. federated ReplicaSet.
## Deleting a Federated Replica Set ## Deleting a Federated ReplicaSet
You can delete a federated replica set as you would delete a Kubernetes You can delete a federated ReplicaSet as you would delete a Kubernetes
replica set; however, for a federated replica set, you must send the request to ReplicaSet; however, for a federated ReplicaSet, you must send the request to
the federation apiserver instead of sending it to a specific Kubernetes cluster. the federation apiserver instead of sending it to a specific Kubernetes cluster.
For example, you can do that using kubectl by running: For example, you can do that using kubectl by running:
@@ -99,7 +91,11 @@ For example, you can do that using kubectl by running:
kubectl --context=federation-cluster delete rs myrs kubectl --context=federation-cluster delete rs myrs
``` ```
Note that at this point, deleting a federated replica set will not delete the Note that at this point, deleting a federated ReplicaSet will not delete the
corresponding replica sets from underlying clusters. corresponding ReplicaSets from underlying clusters.
You must delete the underlying Replica Sets manually. You must delete the underlying ReplicaSets manually.
We intend to fix this in the future. We intend to fix this in the future.
{% endcapture %}
{% include templates/task.md %}