Override PTR server name

.github/workflows/postgres-ptr.yml

@@ -23,6 +23,9 @@ on:
         description: Restore point in time in UTC. e.g. 2024-07-24T06:00:00
         type: string
         required: true
+      new-db-server:
+        description: Name of the new database server. Default is <original-server-name>-ptr.
+        type: string
 
 env:
   SERVICE_SHORT: trs
@@ -45,14 +48,22 @@ jobs:
         tf_vars_file=${TF_VARS_PATH}/${{ inputs.environment }}.tfvars.json
         echo "CLUSTER=$(jq -r '.cluster' ${tf_vars_file})" >> $GITHUB_ENV
         echo "RESOURCE_GROUP_NAME=${AZURE_RESOURCE_PREFIX}-${SERVICE_SHORT}-${CONFIG_SHORT}-rg" >> $GITHUB_ENV
-        echo "DB_SERVER=${AZURE_RESOURCE_PREFIX}-${SERVICE_SHORT}-${CONFIG_SHORT}-pg" >> $GITHUB_ENV
+
+        DB_SERVER="${AZURE_RESOURCE_PREFIX}-${SERVICE_SHORT}-${CONFIG_SHORT}-pg"
+        if [[ -n "${{ inputs.new-db-server }}" ]]; then
+          NEW_DB_SERVER="${{ inputs.new-db-server }}"
+        else
+          NEW_DB_SERVER="${DB_SERVER}-ptr"
+        fi
+        echo "DB_SERVER=${DB_SERVER}" >> $GITHUB_ENV
+        echo "NEW_DB_SERVER=${NEW_DB_SERVER}" >> $GITHUB_ENV
 
     - name: Restore ${{ inputs.environment }} postgres
       uses: DFE-Digital/github-actions/ptr-postgres@master
       with:
         resource-group: ${{ env.RESOURCE_GROUP_NAME }}
         source-server: ${{ env.DB_SERVER }}
-        new-server: ${{ env.DB_SERVER }}-ptr
+        new-server: ${{ env.NEW_DB_SERVER }}
         restore-time: ${{ inputs.restore-time }}
         cluster: ${{ env.CLUSTER }}
         azure-credentials: ${{ secrets.AZURE_CREDENTIALS}}