check_server_update.yml

name: Check Servers and Update Configuration

on:
  schedule:
    - cron: "30 * * * *" # Runs every 1 minutes
  workflow_dispatch: # Allows manual triggering

jobs:
  check-servers:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Check Server Status
        id: check_status
        run: |
          primary_server="http://zimbor.go.ro"
          servers=(
            "http://peviitor.go.ro"
            "http://srvalx.duckdns.org:8983"
            "http://zimbor.go.ro:8985"
          )

          available_server=""

          echo "Checking $primary_server..."
          response=$(curl -s -L -o /dev/null -w "%{http_code}" "$primary_server" || true)
          if [ "$response" -eq 200 ]; then
            echo "$primary_server is up and running (HTTP 200 OK)"
          else
            echo "$primary_server is not available or returned status code $response"
          fi

          if [ -z "$available_server" ]; then
            for server in "${servers[@]}"; do
              echo "Checking $server..."
              response=$(curl -s -L -o /dev/null -w "%{http_code}" "$server" || true)
              if [ "$response" -eq 200 ]; then
                echo "$server is up and running (HTTP 200 OK)"
                available_server="${server#http://}"
                available_server="${available_server%%/*}"
                echo "Available server: $available_server"
                break
              else
                echo "$server is not available or returned status code $response"
              fi
              echo "---------------------------------"
            done
          fi

          echo "available_server=$available_server" >> $GITHUB_ENV

      - name: Check Current Active Server
        id: check_current_active
        run: |
          current_active_server=$(curl -s https://api.peviitor.ro/devops/solr/)
          current_active_server="${current_active_server#http://}"
          current_active_server="${current_active_server%%/*}"
          echo "Current_active_server=$current_active_server"
          echo "current_active_server=$current_active_server" >> $GITHUB_ENV

      - name: Update configuration config.php
        id: update_config
        run: |
          CONFIG_FILE="v3/config.php"
          if [ "$current_active_server" != "zimbor.go.ro" ] && [ -n "$available_server" ]; then
            if [ "$current_active_server" = "$available_server" ]; then
              echo "The current active server is $available_server. No changes needed."
              exit 0
            fi

            echo "Switching to available server: $available_server"
            cp $CONFIG_FILE $CONFIG_FILE.bak

            sed -i 's/\$server = '\''zimbor.go.ro'\'';/\/\/\$server = '\''zimbor.go.ro'\'';/' $CONFIG_FILE
            sed -i "s/\/\/\$server = '$available_server';/\$server = '$available_server';/" $CONFIG_FILE

            if ! cmp -s $CONFIG_FILE $CONFIG_FILE.bak; then
              git checkout -b update-server-${{ github.sha }}
              git config --global user.name "github-actions"
              git config --global user.email "github-actions@github.com"
              git add $CONFIG_FILE
              git commit -m "Switched to $available_server"
              git push origin update-server-${{ github.sha }}
              echo "needs_update=true" >> $GITHUB_ENV
            else
              echo "No changes to commit."
              echo "needs_update=false" >> $GITHUB_ENV
            fi
          else
            echo "zimbor.go.ro server is available or no change needed. No changes made."
            echo "needs_update=false" >> $GITHUB_ENV
          fi

      - name: Create PR
        if: env.needs_update == 'true'
        run: |
          echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token
          echo "Creating PR from update-server-${{ github.sha }} to master..."
          gh pr create --title "Update server to $available_server" --body "This PR updates the server configuration to use $available_server." --head update-server-${{ github.sha }} --base master

      - name: Approve PR
        if: env.needs_update == 'true'
        env:
          PAT_TOKEN: ${{ secrets.PAT_TOKEN }}
        run: |
          echo "${{ secrets.PAT_TOKEN }}" | gh auth login --with-token
          PR_NUMBER=$(gh pr list --head update-server-${{ github.sha }} --json number --jq '.[0].number')
          if [ -n "$PR_NUMBER" ]; then
            echo "Approving PR #$PR_NUMBER..."
            gh pr review $PR_NUMBER --approve
          else
            echo "No PR found to approve."
            exit 1
          fi

      - name: Merge PR
        if: env.needs_update == 'true'
        run: |
          echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token
          PR_NUMBER=$(gh pr list --head update-server-${{ github.sha }} --json number --jq '.[0].number')
          if [ -n "$PR_NUMBER" ]; then
            echo "Merging PR #$PR_NUMBER..."
            gh pr merge $PR_NUMBER --squash --delete-branch
          else
            echo "No PR found to merge."
            exit 1
          fi