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update for new docs

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Matt Ward
2018-06-06 01:36:58 +00:00
parent 940b3c9e2b
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@@ -242,3 +242,35 @@ metadata:
Note that timezone required for `timestamp` (offset relative to UTC, see RFC
3339 section 5.6)
## Sidecar Support
Each cluster can specify arbitrary sidecars to run. These containers could be used for
log aggregation, monitoring, backups or other tasks. A sidecar can be specified like this:
```yaml
apiVersion: "acid.zalan.do/v1"
kind: postgresql
metadata:
name: acid-minimal-cluster
spec:
...
sidecars:
- name: "container-name"
image: "company/image:tag"
env:
- name: "ENV_VAR_NAME"
value: "any-k8s-env-things"
```
In addition to any environment variables you specify, the following environment variables
are always passed to sidecars:
- `POD_NAME` - field reference to `metadata.name`
- `POD_NAMESPACE` - field reference to `metadata.namespace`
- `POSTGRES_USER` - the superuser that can be used to connect to the database
- `POSTGRES_PASSWORD` - the password for the superuser
The PostgreSQL volume is shared with sidecars and is mounted at `/home/postgres/pgdata`.