Module: LanguageOperator::CLI::Commands::Agent::Workspace

Included in:
Base
Defined in:
lib/language_operator/cli/commands/agent/workspace.rb

Overview

Workspace management for agents

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/language_operator/cli/commands/agent/workspace.rb', line 14

def self.included(base)
  base.class_eval do
    desc 'workspace NAME', 'Browse agent workspace files'
    long_desc <<-DESC
      Browse and manage the workspace files for an agent.

      Workspaces provide persistent storage for agents to maintain state,
      cache data, and remember information across executions.

      Examples:
        langop agent workspace my-agent                           # List all files
        langop agent workspace my-agent --path /workspace/state.json  # View specific file
        langop agent workspace my-agent --clean                   # Clear workspace
    DESC
    option :cluster, type: :string, desc: 'Override current cluster context'
    option :path, type: :string, desc: 'View specific file contents'
    option :clean, type: :boolean, desc: 'Clear workspace (with confirmation)'
    def workspace(name)
      handle_command_error('access workspace') do
        ctx = CLI::Helpers::ClusterContext.from_options(options)

        # Get agent to verify it exists
        agent = get_resource_or_exit(LanguageOperator::Constants::RESOURCE_AGENT, name)

        # Check if workspace is enabled
        workspace_enabled = agent.dig('spec', 'workspace', 'enabled')
        unless workspace_enabled
          Formatters::ProgressFormatter.warn("Workspace is not enabled for agent '#{name}'")
          puts
          puts 'Enable workspace in agent configuration:'
          puts '  spec:'
          puts '    workspace:'
          puts '      enabled: true'
          puts '      size: 10Gi'
          exit 1
        end

        if options[:path]
          view_workspace_file(ctx, name, options[:path])
        elsif options[:clean]
          clean_workspace(ctx, name)
        else
          list_workspace_files(ctx, name)
        end
      end
    end

    private

    def get_agent_pod(ctx, agent_name)
      # Validate agent name for label compatibility
      unless CLI::Helpers::LabelUtils.valid_label_value?(agent_name)
        Formatters::ProgressFormatter.error("Agent name '#{agent_name}' is not valid for Kubernetes labels")
        puts
        puts 'Agent names must:'
        puts '  - Be 63 characters or less'
        puts '  - Contain only lowercase letters, numbers, hyphens, and dots'
        puts '  - Start and end with alphanumeric characters'
        exit 1
      end

      # Find pod for this agent using normalized label selector
      label_selector = CLI::Helpers::LabelUtils.agent_pod_selector(agent_name)
      pods = ctx.client.list_resources('Pod', namespace: ctx.namespace, label_selector: label_selector)

      if pods.empty?
        debug_info = CLI::Helpers::LabelUtils.debug_pod_search(ctx, agent_name)

        Formatters::ProgressFormatter.error("No running pods found for agent '#{agent_name}'")
        puts
        puts 'Possible reasons:'
        puts '  - Agent pod has not started yet'
        puts '  - Agent is paused or stopped'
        puts '  - Agent failed to deploy'
        puts '  - Label mismatch (debugging info below)'
        puts
        puts 'Debug information:'
        puts "  Agent name: #{debug_info[:agent_name]}"
        puts "  Normalized: #{debug_info[:normalized_name]}"
        puts "  Label selector: #{debug_info[:label_selector]}"
        puts "  Namespace: #{debug_info[:namespace]}"
        puts
        puts 'Check agent status with:'
        puts "  langop agent inspect #{agent_name}"
        puts
        puts 'List all pods in namespace:'
        puts "  kubectl get pods -n #{ctx.namespace} -l #{Constants::KubernetesLabels::COMPONENT}=#{Constants::KubernetesLabels::COMPONENT_AGENT}"
        exit 1
      end

      # Find a running pod
      running_pod = pods.find do |pod|
        pod.dig('status', 'phase') == 'Running'
      end

      unless running_pod
        Formatters::ProgressFormatter.error('Agent pod exists but is not running')
        puts
        puts "Current pod status: #{pods.first.dig('status', 'phase')}"
        puts
        puts 'Check pod logs with:'
        puts "  langop agent logs #{agent_name}"
        exit 1
      end

      running_pod.dig('metadata', 'name')
    end

    def exec_in_pod(ctx, pod_name, command)
      # Build command as array to prevent shell injection
      kubectl_prefix_array = Shellwords.shellsplit(ctx.kubectl_prefix)
      cmd_array = kubectl_prefix_array + ['exec', pod_name, '--']

      # Add command arguments
      cmd_array += if command.is_a?(Array)
                     command
                   else
                     [command]
                   end

      # Execute with array to avoid shell interpolation
      stdout, stderr, status = Open3.capture3(*cmd_array)

      raise "Command failed: #{stderr}" unless status.success?

      stdout
    end

    def list_workspace_files(ctx, agent_name)
      pod_name = get_agent_pod(ctx, agent_name)

      # Check if workspace directory exists
      begin
        exec_in_pod(ctx, pod_name, 'test -d /workspace')
      rescue StandardError
        Formatters::ProgressFormatter.error('Workspace directory not found in agent pod')
        puts
        puts 'The /workspace directory does not exist in the agent pod.'
        puts 'This agent may not have workspace support enabled.'
        exit 1
      end

      # Get workspace usage
      usage_output = exec_in_pod(
        ctx,
        pod_name,
        'du -sh /workspace 2>/dev/null || echo "0\t/workspace"'
      )
      workspace_size = usage_output.split("\t").first.strip

      # List files with details
      file_list = exec_in_pod(
        ctx,
        pod_name,
        'find /workspace -ls 2>/dev/null | tail -n +2'
      )

      puts
      puts pastel.cyan("Workspace for agent '#{agent_name}' (#{workspace_size})")
      puts '=' * 60
      puts

      if file_list.strip.empty?
        puts pastel.dim('Workspace is empty')
        puts
        puts 'The agent will create files here as it runs.'
        puts
        return
      end

      # Parse and display file list
      file_list.each_line do |line|
        parts = line.strip.split(/\s+/, 11)
        next if parts.length < 11

        # Extract relevant parts
        # Format: inode blocks perms links user group size month day time path
        perms = parts[2]
        size = parts[6]
        month = parts[7]
        day = parts[8]
        time_or_year = parts[9]
        path = parts[10]

        # Skip the /workspace directory itself
        next if path == '/workspace'

        # Determine file type and icon
        icon = if perms.start_with?('d')
                 pastel.blue('📁')
               else
                 pastel.white('📄')
               end

        # Format path relative to workspace
        relative_path = path.sub('/workspace/', '')
        indent = '  ' * relative_path.count('/')

        # Format size
        formatted_size = format_file_size(size.to_i).rjust(8)

        # Format time
        formatted_time = "#{month} #{day.rjust(2)} #{time_or_year}"

        puts "#{indent}#{icon} #{File.basename(relative_path).ljust(30)} #{pastel.dim(formatted_size)}  #{pastel.dim(formatted_time)}"
      end

      puts
      puts pastel.dim('Commands:')
      puts pastel.dim("  langop agent workspace #{agent_name} --path /workspace/<file>  # View file")
      puts pastel.dim("  langop agent workspace #{agent_name} --clean                   # Clear workspace")
      puts
    end

    def view_workspace_file(ctx, agent_name, file_path)
      pod_name = get_agent_pod(ctx, agent_name)

      # Check if file exists
      begin
        exec_in_pod(ctx, pod_name, "test -f #{file_path}")
      rescue StandardError
        Formatters::ProgressFormatter.error("File not found: #{file_path}")
        puts
        puts 'List available files with:'
        puts "  langop agent workspace #{agent_name}"
        exit 1
      end

      # Get file metadata
      stat_output = exec_in_pod(
        ctx,
        pod_name,
        "stat -c '%s %Y' #{file_path}"
      )
      size, mtime = stat_output.strip.split

      # Get file contents
      contents = exec_in_pod(
        ctx,
        pod_name,
        "cat #{file_path}"
      )

      # Display file
      puts
      puts pastel.cyan("File: #{file_path}")
      puts "Size: #{format_file_size(size.to_i)}"
      puts "Modified: #{format_timestamp(Time.at(mtime.to_i))}"
      puts '=' * 60
      puts
      puts contents
      puts
    end

    def clean_workspace(ctx, agent_name)
      pod_name = get_agent_pod(ctx, agent_name)

      # Get current workspace usage
      usage_output = exec_in_pod(
        ctx,
        pod_name,
        'du -sh /workspace 2>/dev/null || echo "0\t/workspace"'
      )
      workspace_size = usage_output.split("\t").first.strip

      # Count files
      file_count = exec_in_pod(
        ctx,
        pod_name,
        'find /workspace -type f | wc -l'
      ).strip.to_i

      puts
      puts pastel.yellow("This will delete ALL files in the workspace for '#{agent_name}'")
      puts
      puts 'The agent will lose:'
      puts '  • Execution history'
      puts '  • Cached data'
      puts '  • State information'
      puts
      puts "Current workspace: #{file_count} files, #{workspace_size}"
      puts

      # Use UserPrompts helper
      return unless CLI::Helpers::UserPrompts.confirm('Are you sure?')

      # Delete all files in workspace
      Formatters::ProgressFormatter.('Cleaning workspace') do
        exec_in_pod(
          ctx,
          pod_name,
          'find /workspace -mindepth 1 -delete'
        )
      end

      Formatters::ProgressFormatter.success("Workspace cleared (freed #{workspace_size})")
      puts
      puts 'The agent will start fresh on its next execution.'
    end

    def format_file_size(bytes)
      Formatters::ValueFormatter.file_size(bytes)
    end

    def format_timestamp(time)
      Formatters::ValueFormatter.timestamp(time)
    end
  end
end