Add Doc to rename the cloud DB

doc/RenameDatabase.md

@@ -0,0 +1,41 @@
+# Rename Database
+
+## Start
+
+1. Scale down cloud deployment
+`k -n nextcloud scale deployment cloud-deployment --replicas 0`
+
+## Change db-name in postgres
+
+1. Connect to postgres-pod
+`k -n nextcloud exec -it postgresql-... -- bash`
+2. Connect to a database
+`PGPASSWORD=$POSTGRES_PASSWORD psql -h postgresql-service -U $POSTGRES_USER postgres`
+3. List available databases
+`\l`
+4. Rename database
+`ALTER DATABASE cloud RENAME TO nextcloud;`
+5. Verify
+`\l`
+6. Quit
+`\q`
+
+## Update postgres-config
+
+1. Edit configmap
+`k -n nextcloud edit configmap postgres-config`
+2. Update postgres-db value
+3. Save
+
+## Update nextcloud db-name
+
+1. Scale up nextcloud
+`k -n nextcloud scale deployment cloud-deployment --replicas 1`
+2. Connect
+`k -n nextcloud exec -it cloud-deployment-... -- bash`
+3. Update db value in config.php
+`apt update`
+`apt install vim`
+`vim config/config.php`
+4. Update dbname field
+5. Verify server+website is working

src/main/cljc/dda/c4k_nextcloud/core.cljc

@@ -26,7 +26,7 @@
           (cm/concat-vec
            (ns/generate (merge {:namespace "nextcloud"} config))
            (postgres/generate {:postgres-size :8gb
-                               :db-name "nextcloud"
+                               :db-name "cloud"
                                :pv-storage-size-gb 50
                                :pvc-storage-class-name default-storage-class
                                :namespace "nextcloud"}

src/main/resources/backup/backup-restore-deployment.yaml

@@ -84,3 +84,4 @@ spec:
       - name: rotation-credential-secret-volume
         secret:
           secretName: rotation-credential-secret
+          optional: true