multiservice-discovery-diff.yaml

name: multiservice-discovery diff

on:
  push:
    branches:
      - add-multiservice-discovery-diff
# on:
#   pull_request:
#     paths:
#       - 'rs/ic-observability/multiservice-discovery/src/*'
#     types:
#       - opened
#       - synchronize

jobs:
  compute-targets-diff:
    runs-on: ubuntu-20.04

    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.ref }}


      - name: branch-run
        id: branch-run
        run: |
          set -exuo pipefail
          mkdir -p registry
          bazel run //rs/ic-observability/multiservice-discovery -- --targets-dir /home/runner/work/dre/dre/registry &
          pid=$!
          url="http://localhost:8000/prom/targets"
          max_retries=100
          retry_interval=5
          retry_count=0
          while true; do
              http_status=$(curl -s -o /dev/null -w "%{http_code}" "$url" || true)
              if [ "$http_status" -eq 200 ]; then
                  break
              else
                  retry_count=$((retry_count + 1))
                  sleep $retry_interval

                  if [ $retry_count -eq $max_retries ]; then
                      break
                  fi
              fi
          done
          result=$(curl -sL http://localhost:8000/prom/targets)
          kill $pid
          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
          echo "result<<$EOF" >> $GITHUB_OUTPUT
          echo "$result" >> $GITHUB_OUTPUT
          echo "$EOF" >> $GITHUB_OUTPUT

      - uses: actions/checkout@v4
        with:
          ref: main

      - name: main run
        id: main-run
        run: |
          mkdir -p registry
          bazel run //rs/ic-observability/multiservice-discovery -- --targets-dir /home/runner/work/dre/dre/registry &
          pid=$!
          url="http://localhost:8000/prom/targets"
          max_retries=100
          retry_interval=5
          retry_count=0
          while true; do
              http_status=$(curl -s -o /dev/null -w "%{http_code}" "$url" || true)
              if [ "$http_status" -eq 200 ]; then
                  echo "Status 200 received. Exiting loop."
                  break
              else
                  retry_count=$((retry_count + 1))
                  echo "Retry $retry_count: Status $http_status. Retrying in $retry_interval seconds..."
                  sleep $retry_interval

                  if [ $retry_count -eq $max_retries ]; then
                      echo "Max retries reached. Exiting."
                      break
                  fi
              fi
          done
          result=$(curl -sL http://localhost:8000/prom/targets)
          kill $pid
          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
          echo "result<<$EOF" >> $GITHUB_OUTPUT
          echo "$result" >> $GITHUB_OUTPUT
          echo "$EOF" >> $GITHUB_OUTPUT

      - uses: int128/diff-action@v1
        with:
          base: ${{ steps.main-run.outputs.result }}
          head: ${{ steps.branch-run.outputs.result }}