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Document Deployment restartPolicy

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Janet Kuo
2016-04-25 14:00:59 -07:00
parent abff28dd7c
commit cd2b268905
3 changed files with 18 additions and 6 deletions
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docs/user-guide/deployments.md
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@@ -425,6 +425,12 @@ The `.spec.template` is a [pod template](/docs/user-guide/replication-controller
the same schema as a [Pod](/docs/user-guide/pods), except it is nested and does not have an the same schema as a [Pod](/docs/user-guide/pods), except it is nested and does not have an
`apiVersion` or `kind`. `apiVersion` or `kind`.
In addition to required fields for a Pod, a pod template in a Deployment must specify appropriate
labels (see [selector](#selector)) and an appropriate restart policy.
Only a [`RestartPolicy`](/docs/user-guide/pod-states/) equal to `Always` is allowed, which is the default
if not specified.
### Replicas ### Replicas
`.spec.replicas` is an optional field that specifies the number of desired Pods. It defaults `.spec.replicas` is an optional field that specifies the number of desired Pods. It defaults
@@ -432,8 +438,14 @@ to 1.
### Selector ### Selector
`.spec.selector` is an optional field that specifies label selectors for Pods `.spec.selector` is an optional field that specifies [label selectors](/docs/user-guide/labels/#label-selectors) for Pods
targeted by this deployment. Deployment kills some of these Pods, if their targeted by this deployment.
If specified, the `.spec.template.metadata.labels` must be equal to the `.spec.selector`, or it will
be rejected by the API. If `.spec.selector` is unspecified, it will be defaulted to
`.spec.template.metadata.labels`.
Deployment kills some of these Pods, if their
template is different than `.spec.template` or if the total number of such Pods template is different than `.spec.template` or if the total number of such Pods
exceeds `.spec.replicas`. It will bring up new Pods with `.spec.template` if exceeds `.spec.replicas`. It will bring up new Pods with `.spec.template` if
number of Pods are less than the desired number. number of Pods are less than the desired number.
docs/user-guide/labels.md
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@@ -147,9 +147,9 @@ selector:
this selector (respectively in `json` or `yaml` format) is equivalent to `component=redis` or `component in (redis)`. this selector (respectively in `json` or `yaml` format) is equivalent to `component=redis` or `component in (redis)`.
#### Job and other new resources #### Resources that support set-based requirements
Newer resources, such as [job](/docs/user-guide/jobs), support _set-based_ requirements as well. Newer resources, such as [`Job`](/docs/user-guide/jobs), [`Deployment`](/docs/user-guide/deployments/), [`Replica Set`](/docs/user-guide/replicasets/), and [`Daemon Set`](/docs/admin/daemons/), support _set-based_ requirements as well.
```yaml ```yaml
selector: selector:
docs/user-guide/replication-controller/index.md
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@@ -96,8 +96,8 @@ The `.spec.template` is a [pod template](#pod-template). It has exactly
the same schema as a [pod](/docs/user-guide/pods/), except it is nested and does not have an `apiVersion` or the same schema as a [pod](/docs/user-guide/pods/), except it is nested and does not have an `apiVersion` or
`kind`. `kind`.
In addition to required fields for a Pod, a pod template in a job must specify appropriate In addition to required fields for a Pod, a pod template in a Replication Controller must specify appropriate
labels (see [pod selector](#pod-selector) and an appropriate restart policy. labels (see [pod selector](#pod-selector)) and an appropriate restart policy.
Only a [`RestartPolicy`](/docs/user-guide/pod-states/) equal to `Always` is allowed, which is the default Only a [`RestartPolicy`](/docs/user-guide/pod-states/) equal to `Always` is allowed, which is the default
if not specified. if not specified.