ci.yaml

name: Build and Test

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

on:
  workflow_call:
  pull_request:
  workflow_dispatch:

jobs:
  build:
    name: Build Rock
    runs-on: [self-hosted, linux, X64, jammy, large]
    timeout-minutes: 30
    outputs:
      rock-file: ${{ steps.build-snap.outputs.rock }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Setup LXD
        uses: canonical/setup-lxd@main

      - name: Install required dependencies
        run: |
          # rockcraft
          sudo snap install rockcraft --classic --edge

      - name: Build rock
        run: |
          rockcraft pack --verbose

      - name: Upload built rock job artifact
        uses: actions/upload-artifact@v3
        with:
          name: charmed_opensearch_rock_amd64
          path: "charmed-opensearch_*.rock"

  test:
    name: Test Rock
    runs-on: ubuntu-latest
    timeout-minutes: 15
    needs:
      - build
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3

      - name: Download rock file
        uses: actions/download-artifact@v3
        with:
          name: charmed_opensearch_rock_amd64
          path: .

      - name: Install required dependencies
        run: |
          # docker
          # FIXME: v27.2.0 reports "...client version 1.22 is too old..." when trying to copy the
          # rock to the local repository --revision=2932
          sudo snap install docker --channel=latest/stable --revision=2932
          sudo addgroup --system docker; sudo adduser $USER docker
          newgrp docker
          sudo snap disable docker; sudo snap enable docker

          # skopeo
          sudo snap install --devmode --channel edge skopeo
          sudo snap install yq

      - name: Create local image
        run: |
          version="$(cat rockcraft.yaml | yq .version)"

          sudo skopeo \
              --insecure-policy \
              copy \
              oci-archive:charmed-opensearch_${version}_amd64.rock \
              docker-daemon:charmed-opensearch:${version}

      - name: Setup the required system configs
        run: |
          sudo sysctl -w vm.swappiness=0
          sudo sysctl -w vm.max_map_count=262144
          sudo sysctl -w net.ipv4.tcp_retries2=5

      - name: Start OpenSearch
        run: |
          version="$(cat rockcraft.yaml | yq .version)"
          
          # create first cm_node container
          container_0_id=$(docker run \
              -d --rm -it \
              -e NODE_NAME=cm0 \
              -e INITIAL_CM_NODES=cm0 \
              -p 9200:9200 \
              --name cm0 \
              charmed-opensearch:"${version}")
          container_0_ip=$(docker inspect -f '{{ .NetworkSettings.IPAddress }}' "${container_0_id}")
          
          # wait a bit for it to fully initialize
          sleep 30s
          
          # create data/voting_only node container
          container_1_id=$(docker run \
              -d --rm -it \
              -e NODE_NAME=data1 \
              -e SEED_HOSTS="${container_0_ip}" \
              -e NODE_ROLES=data,voting_only \
              -p 9201:9200 \
              --name data1 \
              charmed-opensearch:"${version}")
          container_1_ip=$(docker inspect -f '{{ .NetworkSettings.IPAddress }}' "${container_1_id}")
          
          # wait a bit for it to fully initialize
          sleep 30s

          # create 2nd cm_node container
          container_2_id=$(docker run \
              -d --rm -it \
              -e NODE_NAME=cm1 \
              -e SEED_HOSTS="${container_0_ip},${container_1_ip}" \
              -e INITIAL_CM_NODES="cm0,cm1" \
              -p 9202:9200 \
              --name cm1 \
              charmed-opensearch:"${version}")
          container_2_ip=$(docker inspect -f '{{ .NetworkSettings.IPAddress }}' "${container_2_id}")
          
          # wait a bit for it to fully initialize
          sleep 30s

      - name: Ensure the cluster is reachable and nodes well joined
        run: |
          # test node
          cluster_resp=$(curl -sk -XGET http://127.0.0.1:9200)
          echo -e "Cluster Response: \n ${cluster_resp}"
          node_name=$(echo "${cluster_resp}" | jq -r .name)
          if [ "${node_name}" != "cm0" ]; then
              exit 1
          fi

          # query all nodes of cluster
          successful_nodes="$(curl -sk -XGET http://127.0.0.1:9200/_nodes | jq ._nodes.successful)"
          if [ "${successful_nodes}" != 3 ]; then
              exit 1
          fi
          
          all_nodes="$(curl -sk -XGET http://127.0.0.1:9200/_nodes/ | \
            jq '.nodes | values[] | .name' | \
            jq -s '. |= if . then sort else empty end' | \
            jq -r '. | values[]' | \
            paste -sd "," - \
          )"
          echo "All nodes: ${all_nodes}"
          if [ "${all_nodes}" != "cm0,cm1,data1" ]; then
              exit 1
          fi