chore: add params to make crunchy optional, and document the steps needed.

.github/workflows/.dbdeployer.yml

@@ -26,6 +26,12 @@ on:
         default: 'values.yaml'
         required: false
         type: string
+      enabled:
+        description: 'Enable the deployment of the crunchy database, easy switch to turn it on/off'
+        default: false
+        required: false
+        type: boolean
+
     secrets:
       oc_namespace:
         description: OpenShift namespace
@@ -48,6 +54,7 @@ on:
 jobs:
   deploy_db:
     runs-on: ubuntu-24.04
+    if: ${{ inputs.enabled }}
     name: Deploy Or Upgrade Crunchy DB
     environment: ${{ inputs.environment }}
     steps:

.github/workflows/pr-close.yml

@@ -40,7 +40,10 @@ jobs:
       - name: Remove PR user and database from crunchy.
         shell: bash
         run: |
-
+          # check if postgres-crunchy exists or else exit
+          oc get PostgresCluster/postgres-crunchy || exit 0
+
+          # Remove the user from the crunchy cluster yaml and apply the changes
           USER_TO_REMOVE='{"databases":["app-${{ github.event.number }}"],"name":"app-${{ github.event.number }}"}'
 
           echo 'getting current users from crunchy'

README.md

@@ -363,6 +363,10 @@ Crunchy is the default choice for HA postgres/postgis DB in BCGov. provided char
 
 * For specifying different resources for different envs, just add values-test.yml and values-prod.yml , then provide them to the [DB Deployer in GHA](.github/workflows/.dbdeployer.yml#L24).
 * For enabling S3 backups/recovery, please enable in [values file](./charts/crunchy/values.yaml#L62),  and in the [DB Deployer in GHA](.github/workflows/.dbdeployer.yml#L20), then provide necessary secret values which are prefixed with `s3` [DB Deployer in GHA](.github/workflows/.dbdeployer.yml#L36)
+* To disable crunchy deployment, make the following changes
+  * make crunchy enabled to false in [values.yaml](./charts/app/values.yaml#L117)
+  * make bitnami postgis enabled to true in [values.yaml](./charts/app/values.yaml#L120)
+  * make the db-deployer false in gha workflow [.dbdeployer.yaml](./.github/workflows/.dbdeployer.yml#L31)
 
 ## Alternative Backends
 

charts/app/templates/secret.yaml

@@ -63,6 +63,7 @@ data:
   FLYWAY_PASSWORD: {{ $databasePassword | quote }}
 
 ---
+{{- if not .Values.crunchy.enabled}} # only when it is bitnami-postgres
 apiVersion: v1
 kind: Secret
 metadata:
@@ -76,3 +77,4 @@ data:
   postgres-password: {{ $databasePassword  | quote }}
   password: {{ $databasePassword | quote }}
 {{- end }}
+{{- end }}

charts/app/values.yaml

@@ -114,10 +114,10 @@ frontend:
     minAvailable: 1 # the minimum number of pods that must be available during the disruption budget.
 
 crunchy:
-  enabled: true # make this false and bitnami-pg true to switch from crunchy to bitnami single postgis.
+  enabled: false # make this false and bitnami-pg true to switch from crunchy to bitnami single postgis.
 
 bitnamiPostgis:
-  enabled: false
+  enabled: true
   image:
     registry: ghcr.io
     repository: bcgov/nr-containers/bitnami/postgresql