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Merge pull request #4928 from hashicorp/docs/server-affinity 

Add documentation of server affinity Helm chart variable
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Rebecca Zanzig 2018-11-09 12:37:33 -08:00 committed by GitHub
parent 643bd13aed db6c5d1b20
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website/source/docs/platform/k8s/helm.html.md
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@ -142,6 +142,20 @@ and consider if they're appropriate for your deployment.
CA and set of certificates. Additional Connect settings can be configured
by setting the `server.extraConfig` value.
- <a name="v-server-resources" href="#v-server-resources">`resources`</a> (`object: {}`) -
The resource requests (CPU, memory, etc.) for each of the server agents.
This should be an object mapping directly to a Kubernetes
[ResourceRequirements](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.11/#resourcerequirements-v1-core) object. If this isn't specified, then the pods
won't request any specific amount of resources. **Setting this is highly
recommended.**
- <a name="v-server-updatepartition" href="#v-server-updatepartition">`updatePartition`</a> (`integer: 0`) -
This value is used to carefully control a rolling update of Consul server
agents. This value specifies the
[partition](https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#partitions)
for performing a rolling update. Please read the linked Kubernetes
documentation for more information.
- <a name="v-server-disruptionbudget" href="#v-server-disruptionbudget">`disruptionBudget`</a> -
This configures the
[PodDisruptionBudget](https://kubernetes.io/docs/tasks/run-application/configure-pdb/)
@ -180,23 +194,12 @@ and consider if they're appropriate for your deployment.
configuration files from this volume with `-config-dir`. This defaults
to false.
- <a name="v-server-resources" href="#v-server-resources">`resources`</a> (`object: {}`) -
The resource requests (CPU, memory, etc.) for each of the server agents.
This should be an object mapping directly to a Kubernetes
[ResourceRequirements](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.11/#resourcerequirements-v1-core) object. If this isn't specified, then the pods
won't request any specific amount of resources. **Setting this is highly
recommended.**
- <a name="v-server-storage" href="#v-server-storage">`storage`</a> (`string: "10Gi"`) -
The amount of storage to request for the persistant volume backing the
Consul server data.
- <a name="v-server-updatepartition" href="#v-server-updatepartition">`updatePartition`</a> (`integer: 0`) -
This value is used to carefully control a rolling update of Consul server
agents. This value specifies the
[partition](https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#partitions)
for performing a rolling update. Please read the linked Kubernetes
documentation for more information.
- <a name="v-server-affinity" href="#v-server-affinity">`affinity`</a> (`string`) -
This value defines the [affinity](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity)
for server pods. It defaults to allowing only a single pod on each node,
which minimizes risk of the cluster becoming unusable if a node is lost.
If you need to run more pods per node (for example, testing on Minikube),
set this value to `null`.
* <a name="v-client" href="#v-client">`client`</a> - Values that configure
running a Consul client agent on Kubernetes nodes.