Addition of workflow for AFQTS

.github/workflows/database-backup.yml

@@ -0,0 +1,87 @@
+name: Backup database to Azure storage
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: Environment to backup
+        required: true
+        default: test
+        type: choice
+        options:
+          - test
+          - production
+      backup-file:
+        description: |
+          Backup file name (without extension). Default is afqts_[env]_adhoc_YYYY-MM-DD. Set it explicitly when backing up a point-in-time (PTR) server. (Optional)
+        required: false
+        type: string
+        default: default
+      db-server:
+        description: |
+          Name of the database server. Default is the live server. When backing up a point-in-time (PTR) server, use the full name of the PTR server. (Optional)
+
+  schedule:
+    - cron: "0 4 * * *" # 04:00 UTC
+
+env:
+  SERVICE_NAME: apply-for-qualified-teacher-status
+  SERVICE_SHORT: afqts
+  TF_VARS_PATH: terraform/application/config
+
+jobs:
+  backup:
+    name: Backup database
+    runs-on: ubuntu-latest
+    environment:
+      name: aks-${{ inputs.environment || 'production' }}
+    env:
+      DEPLOY_ENV: ${{ inputs.environment || 'production'  }}
+      BACKUP_FILE: ${{ inputs.backup-file || 'schedule'  }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: azure/login@v2
+        with:
+          creds: ${{ secrets.AZURE_CREDENTIALS }}
+
+      - name: Set environment variables
+        run: |
+          source global_config/${DEPLOY_ENV}.sh
+          tf_vars_file=${TF_VARS_PATH}/${DEPLOY_ENV}.tfvars.json
+          echo "CLUSTER=$(jq -r '.cluster' ${tf_vars_file})" >> $GITHUB_ENV
+          echo "RESOURCE_GROUP_NAME=${AZURE_RESOURCE_PREFIX}-${SERVICE_SHORT}-${CONFIG_SHORT}-rg" >> $GITHUB_ENV
+          echo "STORAGE_ACCOUNT_NAME=${AZURE_RESOURCE_PREFIX}${SERVICE_SHORT}dbbkp${CONFIG_SHORT}sa" >> $GITHUB_ENV
+          TODAY=$(date +"%F")
+          echo "DB_SERVER=${AZURE_RESOURCE_PREFIX}-${SERVICE_SHORT}-${CONFIG_SHORT}-pg" >> $GITHUB_ENV
+          if [ "${BACKUP_FILE}" == "schedule" ]; then
+            BACKUP_FILE=${SERVICE_SHORT}_${CONFIG_SHORT}_${TODAY}
+          elif [ "${BACKUP_FILE}" == "default" ]; then
+            BACKUP_FILE=${SERVICE_SHORT}_${CONFIG_SHORT}_adhoc_${TODAY}
+          else
+            BACKUP_FILE=${BACKUP_FILE}
+          fi
+          echo "BACKUP_FILE=${BACKUP_FILE}" >> $GITHUB_ENV
+          echo "KEYVAULT_NAME=${AZURE_RESOURCE_PREFIX}-${SERVICE_SHORT}-${CONFIG_SHORT}-inf-kv" >> $GITHUB_ENV
+
+      - name: Fetch secrets from key vault
+        uses: azure/CLI@v2
+        id: key-vault-secrets
+        with:
+          inlineScript: |
+            SLACK_WEBHOOK=$(az keyvault secret show --name "SLACK-WEBHOOK" --vault-name ${KEYVAULT_NAME} --query "value" -o tsv)
+            echo "::add-mask::$SLACK_WEBHOOK"
+            echo "SLACK_WEBHOOK=$SLACK_WEBHOOK" >> $GITHUB_OUTPUT
+
+      - name: Backup ${{ env.DEPLOY_ENV }} postgres
+        uses: DFE-Digital/github-actions/backup-postgres@master
+        with:
+          storage-account: ${{ env.STORAGE_ACCOUNT_NAME }}
+          resource-group: ${{ env.RESOURCE_GROUP_NAME }}
+          app-name: ${{ env.SERVICE_NAME }}-${{ env.DEPLOY_ENV }}
+          cluster: ${{ env.CLUSTER }}
+          azure-credentials: ${{ secrets.AZURE_CREDENTIALS }}
+          backup-file: ${{ env.BACKUP_FILE }}.sql
+          db-server-name: ${{ inputs.db-server }}
+          slack-webhook: ${{ steps.key-vault-secrets.outputs.SLACK_WEBHOOK }}