Backup and restore Postgres DB from PAAS to AKS #15
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name: Backup and restore Postgres DB from PAAS to AKS | |
on: | |
workflow_call: | |
inputs: | |
environment: | |
type: string | |
workflow_dispatch: | |
inputs: | |
environment: | |
type: choice | |
options: | |
- test | |
- preprod | |
- production | |
env: | |
BACKUP_ARTIFACT_NAME: ${{ inputs.environment }}-backup | |
jobs: | |
backup: | |
name: Backup from PAAS | |
runs-on: ubuntu-latest | |
environment: ${{ inputs.environment }} | |
outputs: | |
ENVIRONMENT_AKS: ${{ steps.set_aks_env_name.outputs.ENVIRONMENT_AKS }} | |
steps: | |
- uses: actions/checkout@v4 | |
- uses: Azure/login@v1 | |
with: | |
creds: ${{ secrets.AZURE_CREDENTIALS }} | |
- uses: DFE-Digital/github-actions/install-postgres-client@master | |
- name: Set environment variables | |
shell: bash | |
run: | | |
tf_vars_file=terraform/paas/workspace_variables/${{ inputs.environment }}.tfvars.json | |
echo "KEY_VAULT_NAME=$(jq -r '.key_vault_name' ${tf_vars_file})" >> $GITHUB_ENV | |
echo "PAAS_SPACE=$(jq -r '.paas_space' ${tf_vars_file})" >> $GITHUB_ENV | |
- name: Retrieve Cloudfoundry credentials from KV | |
uses: azure/CLI@v1 | |
id: fetch-cf-creds | |
with: | |
inlineScript: | | |
SECRET_VALUE=$(az keyvault secret show --name "PAAS-USER" --vault-name "${{ env.KEY_VAULT_NAME}}" --query "value" -o tsv) | |
echo "::add-mask::$SECRET_VALUE" | |
echo "PAAS-USER=$SECRET_VALUE" >> $GITHUB_OUTPUT | |
SECRET_VALUE=$(az keyvault secret show --name "PAAS-PASSWORD" --vault-name "${{ env.KEY_VAULT_NAME}}" --query "value" -o tsv) | |
echo "::add-mask::$SECRET_VALUE" | |
echo "PAAS-PASSWORD=$SECRET_VALUE" >> $GITHUB_OUTPUT | |
- uses: DFE-Digital/github-actions/setup-cf-cli@master | |
with: | |
CF_USERNAME: ${{ steps.fetch-cf-creds.outputs.PAAS-USER }} | |
CF_PASSWORD: ${{ steps.fetch-cf-creds.outputs.PAAS-PASSWORD }} | |
CF_SPACE_NAME: ${{ env.PAAS_SPACE }} | |
INSTALL_CONDUIT: true | |
- name: Backup database | |
run: | | |
cf conduit find-a-lost-trn-${{ inputs.environment }}-pg-svc -- pg_dump -E utf8 --clean --compress=1 --if-exists --no-owner --no-privileges --verbose -f backup.sql.gz | |
- name: Upload backup | |
uses: actions/upload-artifact@v3 | |
with: | |
name: ${{ env.BACKUP_ARTIFACT_NAME }} | |
path: backup.sql.gz | |
retention-days: 1 | |
- name: Set AKS environment name | |
id: set_aks_env_name | |
run: | | |
case "${{ inputs.environment }}" in | |
test) | |
echo "ENVIRONMENT_AKS=test_aks" >> $GITHUB_OUTPUT | |
;; | |
preprod) | |
echo "ENVIRONMENT_AKS=preproduction_aks" >> $GITHUB_OUTPUT | |
;; | |
production) | |
echo "ENVIRONMENT_AKS=production_aks" >> $GITHUB_OUTPUT | |
;; | |
*) | |
echo "unknown cluster" | |
;; | |
esac | |
restore: | |
name: Restore to AKS | |
runs-on: ubuntu-latest | |
needs: backup | |
environment: ${{ needs.backup.outputs.ENVIRONMENT_AKS }} | |
env: | |
ENVIRONMENT_NAME: ${{ needs.backup.outputs.ENVIRONMENT_AKS }} | |
steps: | |
- uses: actions/checkout@v4 | |
- uses: Azure/login@v1 | |
with: | |
creds: ${{ secrets.AZURE_CREDENTIALS }} | |
- name: Set environment variables | |
shell: bash | |
run: | | |
tf_vars_file=terraform/aks/workspace_variables/${{ env.ENVIRONMENT_NAME }}.tfvars.json | |
- run: | | |
test_cluster_rg=s189t01-tsc-ts-rg | |
test_cluster_name=s189t01-tsc-test-aks | |
production_cluster_rg=s189p01-tsc-pd-rg | |
production_cluster_name=s189p01-tsc-production-aks | |
case "${ENVIRONMENT_NAME}" in | |
test_aks) | |
echo "cluster_rg=$test_cluster_rg" >> $GITHUB_ENV | |
echo "cluster_name=$test_cluster_name" >> $GITHUB_ENV | |
echo "app_name=find-a-lost-trn-test" >> $GITHUB_ENV | |
;; | |
preproduction_aks) | |
echo "cluster_rg=$test_cluster_rg" >> $GITHUB_ENV | |
echo "cluster_name=$test_cluster_name" >> $GITHUB_ENV | |
echo "app_name=find-a-lost-trn-preproduction" >> $GITHUB_ENV | |
;; | |
production_aks) | |
echo "cluster_rg=$production_cluster_rg" >> $GITHUB_ENV | |
echo "cluster_name=$production_cluster_name" >> $GITHUB_ENV | |
echo "app_name=find-a-lost-trn-production" >> $GITHUB_ENV | |
;; | |
*) | |
echo "unknown cluster" | |
;; | |
esac | |
- uses: azure/setup-kubectl@v3 | |
- run: | | |
az aks get-credentials -g ${{ env.cluster_rg }} -n ${{ env.cluster_name }} | |
make bin/konduit.sh | |
- name: Download backup | |
uses: actions/download-artifact@v3 | |
with: | |
name: ${{ env.BACKUP_ARTIFACT_NAME }} | |
- name: Restore database | |
run: bin/konduit.sh -i backup.sql.gz -c ${{ env.app_name }} -- psql | |
- name: Remove PaaS event triggers | |
shell: bash | |
run: | | |
bin/konduit.sh ${{ env.app_name }} -- psql -c 'drop event trigger forbid_ddl_reader; drop event trigger make_readable; drop event trigger reassign_owned;' | |
- uses: geekyeggo/delete-artifact@v2 | |
with: | |
name: ${{ env.BACKUP_ARTIFACT_NAME }} |