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Add postgres init container #1799

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3 changes: 3 additions & 0 deletions config/crd/bases/awx.ansible.com_awxs.yaml
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Expand Up @@ -1811,6 +1811,9 @@ spec:
type: array
items:
type: string
postgres_init_container_extra_commands:
description: Extra commands for the init postgres container
type: string
postgres_extra_volumes:
description: Specify extra volumes to add to the application pod
type: string
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12 changes: 12 additions & 0 deletions docs/user-guide/database-configuration.md
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Expand Up @@ -99,3 +99,15 @@ We recommend you use the default image sclorg image. If you are coming from a de
You can no longer configure a custom `postgres_data_path` because it is hardcoded in the quay.io/sclorg/postgresql-15-c9s image.

If you override the postgres image to use a custom postgres image like postgres:15 for example, the default data directory path may be different. These images cannot be used interchangeably.

#### Postgres init extra commands

Users can define arbitrary commands to run from a postgres init container.

For example this may be useful for setting permissions and ownership of the postgres data directory.

```yaml
postgres_init_container_extra_commands: |
chown 26:0 /var/lib/pgsql/data
chmod 700 /var/lib/pgsql/data
```
22 changes: 21 additions & 1 deletion roles/installer/templates/statefulsets/postgres.yaml.j2
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Expand Up @@ -46,6 +46,26 @@ spec:
{% endif %}
{% if postgres_priority_class is defined %}
priorityClassName: '{{ postgres_priority_class }}'
{% endif %}
{% if postgres_init_container_extra_commands is defined %}
initContainers:
- name: init
image: '{{ _postgres_image }}'
imagePullPolicy: '{{ image_pull_policy }}'
securityContext:
runAsUser: 0
command:
- /bin/sh
- -c
- |
{{ postgres_init_container_extra_commands | indent(width=14) }}
volumeMounts:
- name: postgres-{{ supported_pg_version }}
mountPath: '{{ _postgres_data_path | dirname }}'
subPath: '{{ _postgres_data_path | dirname | basename }}'
{% if postgres_extra_volume_mounts %}
{{ postgres_extra_volume_mounts | indent(width=12, first=True) }}
{% endif %}
{% endif %}
containers:
- image: '{{ _postgres_image }}'
Expand Down Expand Up @@ -113,7 +133,7 @@ spec:
- name: postgres-{{ supported_pg_version }}
mountPath: '{{ _postgres_data_path | dirname }}'
subPath: '{{ _postgres_data_path | dirname | basename }}'
{% if postgres_extra_volume_mounts -%}
{% if postgres_extra_volume_mounts %}
{{ postgres_extra_volume_mounts | indent(width=12, first=True) }}
{% endif %}
resources: {{ postgres_resource_requirements }}
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