azure-pipelines.yml

trigger: none

pr:
  branches:
    include:
      - main
      - develop
      - feature/*

pool:
  vmImage: ubuntu-latest

variables:
  - group: "GitHub Copilot CLI"
  - name: MODEL
    value: claude-opus-4.5
  - name: COPILOT_VERSION
    value: "latest"
  - name: ANALYSIS_DIR
    value: "$(Build.ArtifactStagingDirectory)/pr-analysis"
  - name: DIFF_FILE
    value: "$(Build.ArtifactStagingDirectory)/pr-diff.json"


steps:
  - bash: |
      echo "🔍 Validating PR context..."

      if [ -z "$(System.PullRequest.PullRequestId)" ]; then
        echo "##vso[task.logissue type=error]This pipeline must run in a Pull Request context."
        echo "❌ Error: No Pull Request ID found."
        echo "   This pipeline is designed to run only on PR triggers."
        exit 1
      fi

      if [ -z "$(System.PullRequest.SourceBranch)" ] || [ -z "$(System.PullRequest.TargetBranch)" ]; then
        echo "##vso[task.logissue type=error]Missing source or target branch information."
        echo "❌ Error: Branch information is incomplete."
        exit 1
      fi

      echo "✅ PR context validated successfully"
      echo "   PR #$(System.PullRequest.PullRequestId): $(System.PullRequest.SourceBranch) → $(System.PullRequest.TargetBranch)"
    displayName: ✅ Validate PR Context

  - bash: |
      echo "📋 Pull Request Information:"
      echo "  - Repository URI: $(System.PullRequest.SourceRepositoryUri)"
      echo "  - PR #: $(System.PullRequest.PullRequestId)"
      echo "  - Source Branch: $(System.PullRequest.SourceBranch)"
      echo "  - Target Branch: $(System.PullRequest.TargetBranch)"
      echo "  - Source Commit: $(System.PullRequest.SourceCommitId)"
      echo "  - Build Repository: $(Build.Repository.Uri)"
      echo "  - Build Commit: $(Build.SourceVersion)"
      echo ""
      echo "📁 Working directories:"
      echo "  - Analysis Dir: $(ANALYSIS_DIR)"
      echo "  - Diff File: $(DIFF_FILE)"
      echo "  - Comment File: $(COMMENT_FILE)"
      
    displayName: 📋 Show PR Information

  - task: NodeTool@0
    inputs:
      versionSource: "spec"
      versionSpec: "22.x"     
    displayName: ⚙️ Setup Node.js 22.x

  - bash: |
      NPM_PREFIX=$(npm config get prefix)
      echo "##vso[task.setvariable variable=NPM_GLOBAL_PATH]${NPM_PREFIX}/lib/node_modules"
      echo "NPM global path: ${NPM_PREFIX}/lib/node_modules"
    displayName: 🔍 Detect NPM Global Path

  - task: Cache@2
    inputs:
      key: 'npm-global | "$(Agent.OS)" | "copilot" | "$(COPILOT_VERSION)"'
      path: $(NPM_GLOBAL_PATH)
      restoreKeys: |
        npm-global | "$(Agent.OS)" | "copilot"
    displayName: 📦 Cache Global NPM Packages

  - bash: |
      if ! command -v copilot &> /dev/null; then
        echo "Installing @github/copilot@$(COPILOT_VERSION)..."
        npm install -g @github/copilot@$(COPILOT_VERSION)
      else
        echo "✅ @github/copilot already installed (from cache)"
        copilot --version
      fi
    displayName: 🐙 Install Copilot CLI

  - template: templates/run-script.yml
    parameters:
      script: install-copilot-agents.sh
      args: '"$(System.DefaultWorkingDirectory)"'
      displayName: 🤖 Install Custom Agents

  - template: templates/run-script.yml
    parameters:
      script: get-pr-diff.sh
      args: '"$(System.PullRequest.SourceRepositoryUri)" "$(System.PullRequest.SourceBranch)" "$(System.PullRequest.TargetBranch)" "$(AZURE_DEVOPS_EXT_PAT)" "$(DIFF_FILE)"'
      displayName: 🔍 Get PR Differences

  - template: templates/run-script.yml
    parameters:
      script: download-pr-files.sh
      args: '"$(DIFF_FILE)" "$(System.PullRequest.SourceRepositoryUri)" "$(System.PullRequest.SourceBranch)" "$(System.PullRequest.TargetBranch)" "$(AZURE_DEVOPS_EXT_PAT)" "$(ANALYSIS_DIR)"'
      displayName: 📁 Download Modified Files

  - template: templates/run-script.yml
    parameters:
      script: analyze-with-copilot.sh
      args: '"$(ANALYSIS_DIR)/source"'
      displayName: 🤖 Analyze with GitHub Copilot CLI
      workingDirectory: $(System.DefaultWorkingDirectory)

  - bash: |
      # Extract repository information
      REPO_URI="$(System.PullRequest.SourceRepositoryUri)"
      ORG=$(echo "$REPO_URI" | sed 's|https://[^@]*@||' | awk -F'/' '{print $2}')
      PROJECT=$(echo "$REPO_URI" | sed 's|https://[^@]*@||' | awk -F'/' '{print $3}' | sed 's/%20/ /g' | sed 's/ /%20/g')
      REPO=$(echo "$REPO_URI" | sed 's|https://[^@]*@||' | awk -F'/' '{print $5}')
      PR_ID="$(System.PullRequest.PullRequestId)"
      
      echo "🔍 Repository information:"
      echo "  - Organization: $ORG"
      echo "  - Project: $PROJECT"
      echo "  - Repository: $REPO"
      echo "  - PR ID: $PR_ID"
      
      echo "##vso[task.setvariable variable=PR_ORG]$ORG"
      echo "##vso[task.setvariable variable=PR_PROJECT]$PROJECT"
      echo "##vso[task.setvariable variable=PR_REPO]$REPO"
      echo "##vso[task.setvariable variable=PR_NUM]$PR_ID"
    displayName: 📋 Extract PR Info

  - template: templates/run-script.yml
    parameters:
      script: post-pr-comment.sh
      args: '"$(ANALYSIS_DIR)/source/pr-comments" "$(PR_ORG)" "$(PR_PROJECT)" "$(PR_REPO)" "$(PR_NUM)" "$(AZURE_DEVOPS_EXT_PAT)"'
      displayName: 💬 Publish Comment on PR

  - task: PublishBuildArtifacts@1
    inputs:
      PathtoPublish: "$(Build.ArtifactStagingDirectory)"
      ArtifactName: "pr-analysis-complete"
      publishLocation: "Container"
    displayName: 📦 Publish Complete Analysis as Artifact

  - bash: |
      echo "🔴 Pipeline failed! Analyzing the error with GitHub Copilot CLI..."
      echo ""
      
      # Get the agent diagnostic logs directory
      DIAG_DIR="$(Agent.WorkFolder)/_diag"
      
      # Find the most recent worker log (contains task execution details)
      WORKER_LOG=$(ls -t "$DIAG_DIR"/Worker_*.log 2>/dev/null | head -1)
      
      # Extract error messages from the logs
      ERROR_LOG="/tmp/pipeline_errors.txt"
      
      echo "📋 Extracting error information from pipeline logs..."
      
      if [ -f "$WORKER_LOG" ]; then
        # Extract lines containing errors, warnings, and failed tasks (last 200 lines for context)
        tail -200 "$WORKER_LOG" | grep -iE "(error|failed|exception|fatal|##vso\[task\.logissue|##vso\[task\.complete result=Failed)" > "$ERROR_LOG" 2>/dev/null || true
      fi
      
      # Also check for any .log files in the current build directory
      BUILD_LOGS_DIR="$(Agent.WorkFolder)/_temp"
      if [ -d "$BUILD_LOGS_DIR" ]; then
        find "$BUILD_LOGS_DIR" -name "*.log" -type f -exec tail -50 {} \; 2>/dev/null | grep -iE "(error|failed|exception)" >> "$ERROR_LOG" 2>/dev/null || true
      fi
      
      # Add any stderr output that might have been captured
      if [ -f "$(Agent.TempDirectory)/stderr.txt" ]; then
        cat "$(Agent.TempDirectory)/stderr.txt" >> "$ERROR_LOG" 2>/dev/null || true
      fi
      
      # Build the error context for Copilot
      if [ -s "$ERROR_LOG" ]; then
        ERROR_CONTENT=$(cat "$ERROR_LOG" | head -100)
      else
        ERROR_CONTENT="No specific error logs found. The pipeline failed but detailed error messages could not be extracted from the agent logs."
      fi
      
      echo "📝 Error content extracted:"
      echo "---"
      echo "$ERROR_CONTENT"
      echo "---"
      echo ""
      
      echo "🤖 Asking GitHub Copilot to analyze the failure..."
      echo ""
      
      # Use Copilot CLI to analyze the actual error
      copilot -p "Eres un experto en DevOps analizando un fallo de pipeline de Azure DevOps.

      ## Información del Pipeline
      - Pipeline: $(Build.DefinitionName)
      - Build ID: $(Build.BuildId)
      - Repository: $(Build.Repository.Name)
      - Branch: $(Build.SourceBranch)

      ## Mensajes de Error del Pipeline
      $ERROR_CONTENT

      ## Tu tarea
      1. Analiza el error y explica qué ha fallado exactamente
      2. Identifica la causa raíz más probable
      3. Proporciona una solución concreta y pasos para solucionarlo
      4. Si es relevante, sugiere cómo prevenir este error en el futuro

      Responde de forma clara y concisa."
      
    displayName: 🔴 Analyze Pipeline Failure with Copilot
    condition: failed()
    env:
      GITHUB_TOKEN: $(GITHUB_TOKEN)
      XDG_CONFIG_HOME: $(XDG_CONFIG_HOME)