Deploy Docker #1
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| name: Deploy Docker | |
| on: | |
| workflow_dispatch: | |
| branches: ["master"] | |
| inputs: | |
| tag: | |
| description: tag/version to deploy | |
| required: true | |
| jobs: | |
| deploy: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: deploy docker | |
| run: | | |
| SC_RELEASE_TAG="v${{ env.TAG }}" | |
| echo "$SC_RELEASE_TAG" | |
| TOKEN="${{ secrets.RANCHER2_BEARER_TOKEN }}" | |
| RANCHER_HOST="rancher.tools.swagger.io" | |
| CLUSTER_ID="c-n8zp2" | |
| NAMESPACE_NAME="swagger-oss" | |
| K8S_OBJECT_TYPE="daemonsets" | |
| K8S_OBJECT_NAME="swagger-validator-v2" | |
| DEPLOY_IMAGE="swaggerapi/swagger-validator-v2:$SC_RELEASE_TAG" | |
| workloadStatus="" | |
| getStatus() { | |
| echo "Getting update status..." | |
| if ! workloadStatus="$(curl -s -X GET \ | |
| -H "Authorization: Bearer ${TOKEN}" \ | |
| -H 'Content-Type: application/json' \ | |
| "https://${RANCHER_HOST}/k8s/clusters/${CLUSTER_ID}/apis/apps/v1/namespaces/${NAMESPACE_NAME}/${K8S_OBJECT_TYPE}/${K8S_OBJECT_NAME}/status")" | |
| then | |
| echo 'ERROR - get status k8s API call failed!' | |
| echo "Exiting build"... | |
| exit 1 | |
| fi | |
| } | |
| # $1 = image to deploy | |
| updateObject() { | |
| local image="${1}" | |
| echo "Updating image value..." | |
| if ! curl -s -X PATCH \ | |
| -H "Authorization: Bearer ${TOKEN}" \ | |
| -H 'Content-Type: application/json-patch+json' \ | |
| "https://${RANCHER_HOST}/k8s/clusters/${CLUSTER_ID}/apis/apps/v1/namespaces/${NAMESPACE_NAME}/${K8S_OBJECT_TYPE}/${K8S_OBJECT_NAME}" \ | |
| -d "[{\"op\": \"replace\", \"path\": \"/spec/template/spec/containers/0/image\", \"value\": \"${image}\"}]" | |
| then | |
| echo 'ERROR - image update k8s API call failed!' | |
| echo "Exiting build..." | |
| exit 1 | |
| fi | |
| } | |
| # Check that the TAG is valid | |
| if [[ $SC_RELEASE_TAG =~ ^[vV]?[0-9]*\.[0-9]*\.[0-9]*$ ]]; then | |
| echo "" | |
| echo "This is a Valid TAG..." | |
| # Get current image/tag in case we need to rollback | |
| getStatus | |
| ROLLBACK_IMAGE="$(echo "${workloadStatus}" | jq -r '.spec.template.spec.containers[0].image')" | |
| echo "" | |
| echo "Current image: ${ROLLBACK_IMAGE}" | |
| # Update image and validate response | |
| echo "" | |
| updateObject "${DEPLOY_IMAGE}" | |
| echo "" | |
| echo "" | |
| echo "Waiting for pods to start..." | |
| echo "" | |
| sleep 60s | |
| # Get state of the k8s object. If numberReady == desiredNumberScheduled, consider the upgrade successful. Else raise error | |
| getStatus | |
| status="$(echo "${workloadStatus}" | jq '.status')" | |
| echo "" | |
| echo "${status}" | |
| echo "" | |
| numberDesired="$(echo "${status}" | jq -r '.desiredNumberScheduled')" | |
| numberReady="$(echo "${status}" | jq -r '.numberReady')" | |
| if (( numberReady == numberDesired )); then | |
| echo "${K8S_OBJECT_NAME} has been upgraded to ${DEPLOY_IMAGE}" | |
| # If pods are not starting, rollback the upgrade and exit the build with error | |
| else | |
| echo "state = error...rolling back upgrade" | |
| updateObject "${ROLLBACK_IMAGE}" | |
| echo "" | |
| echo "" | |
| echo "Waiting for rollback pods to start..." | |
| echo "" | |
| sleep 60s | |
| getStatus | |
| status="$(echo "${workloadStatus}" | jq '.status')" | |
| echo "" | |
| echo "${status}" | |
| echo "" | |
| numberDesired="$(echo "${status}" | jq -r '.desiredNumberScheduled')" | |
| numberReady="$(echo "${status}" | jq -r '.numberReady')" | |
| if (( numberReady == numberDesired )); then | |
| echo "Rollback to ${ROLLBACK_IMAGE} completed." | |
| else | |
| echo "FATAL - rollback failed" | |
| fi | |
| echo "Exiting Build..." | |
| exit 1 | |
| fi | |
| else | |
| echo "This TAG is not in a valid format..." | |
| echo "Exiting Build..." | |
| exit 0 | |
| fi | |
| echo "Exiting Build..." | |
| exit 0 | |
| env: | |
| ACTIONS_ALLOW_UNSECURE_COMMANDS: true | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| TAG: ${{ github.event.inputs.tag }} |