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Fully speced global sidecars (#890)

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* implement fully speced global sidecars

* fix issue #924
This commit is contained in:
Björn Fischer
2020-04-27 17:40:22 +02:00
committed by GitHub
parent f32c615a53
commit 168abfe37b
15 changed files with 462 additions and 140 deletions
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docs/reference/operator_parameters.md
+18 -9
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@@ -93,9 +93,17 @@ Those are top-level keys, containing both leaf keys and groups.
repository](https://github.com/zalando/spilo).
* **sidecar_docker_images**
a map of sidecar names to Docker images to run with Spilo. In case of the name
conflict with the definition in the cluster manifest the cluster-specific one
is preferred.
*deprecated*: use **sidecars** instead. A map of sidecar names to Docker images to
run with Spilo. In case of the name conflict with the definition in the cluster
manifest the cluster-specific one is preferred.
* **sidecars**
a list of sidecars to run with Spilo, for any cluster (i.e. globally defined sidecars).
Each item in the list is of type
[Container](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.18/#container-v1-core).
Globally defined sidecars can be overwritten by specifying a sidecar in the custom resource with
the same name. Note: This field is not part of the schema validation. If the container specification
is invalid, then the operator fails to create the statefulset.
* **enable_shm_volume**
Instruct operator to start any new database pod without limitations on shm
@@ -133,8 +141,9 @@ Those are top-level keys, containing both leaf keys and groups.
at the cost of overprovisioning memory and potential scheduling problems for
containers with high memory limits due to the lack of memory on Kubernetes
cluster nodes. This affects all containers created by the operator (Postgres,
Scalyr sidecar, and other sidecars); to set resources for the operator's own
container, change the [operator deployment manually](../../manifests/postgres-operator.yaml#L20).
Scalyr sidecar, and other sidecars except **sidecars** defined in the operator
configuration); to set resources for the operator's own container, change the
[operator deployment manually](../../manifests/postgres-operator.yaml#L20).
The default is `false`.
## Postgres users
@@ -206,12 +215,12 @@ configuration they are grouped under the `kubernetes` key.
Default is true.
* **enable_init_containers**
global option to allow for creating init containers to run actions before
Spilo is started. Default is true.
global option to allow for creating init containers in the cluster manifest to
run actions before Spilo is started. Default is true.
* **enable_sidecars**
global option to allow for creating sidecar containers to run alongside Spilo
on the same pod. Default is true.
global option to allow for creating sidecar containers in the cluster manifest
to run alongside Spilo on the same pod. Globally defined sidecars are always enabled. Default is true.
* **secret_name_template**
a template for the name of the database user secrets generated by the