Module: LanguageOperator::CLI::Commands::Agent::Lifecycle

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

Overview

Lifecycle management for agents (pause/resume)

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/language_operator/cli/commands/agent/lifecycle.rb', line 11

def self.included(base)
  base.class_eval do
    desc 'pause NAME', 'Pause scheduled agent execution'
    option :cluster, type: :string, desc: 'Override current cluster context'
    def pause(name)
      handle_command_error('pause agent') do
        ctx = CLI::Helpers::ClusterContext.from_options(options)

        # Get agent
        agent = get_resource_or_exit(LanguageOperator::Constants::RESOURCE_AGENT, name)

        mode = agent.dig('spec', 'mode') || 'autonomous'
        unless mode == 'scheduled'
          Formatters::ProgressFormatter.warn("Agent '#{name}' is not a scheduled agent (mode: #{mode})")
          puts
          puts 'Only scheduled agents can be paused.'
          puts 'Autonomous agents can be stopped by deleting them.'
          exit 1
        end

        # Suspend the CronJob by setting spec.suspend = true
        # This is done by patching the underlying CronJob resource
        cronjob_name = name

        Formatters::ProgressFormatter.("Pausing agent '#{name}'") do
          # Use kubectl to patch the cronjob
          cmd = "#{ctx.kubectl_prefix} patch cronjob #{cronjob_name} -p '{\"spec\":{\"suspend\":true}}'"
          _, stderr, status = Open3.capture3(cmd)

          unless status.success?
            error_msg = "Failed to pause agent '#{name}': kubectl command failed (exit code: #{status.exitstatus})"
            error_msg += "\nError: #{stderr.strip}" unless stderr.nil? || stderr.strip.empty?
            raise error_msg
          end
        end

        Formatters::ProgressFormatter.success("Agent '#{name}' paused")
        puts
        puts 'The agent will not execute on its schedule until resumed.'
        puts
        puts 'Resume with:'
        puts "  langop agent resume #{name}"
      end
    end

    desc 'resume NAME', 'Resume paused agent'
    option :cluster, type: :string, desc: 'Override current cluster context'
    def resume(name)
      handle_command_error('resume agent') do
        ctx = CLI::Helpers::ClusterContext.from_options(options)

        # Get agent
        agent = get_resource_or_exit(LanguageOperator::Constants::RESOURCE_AGENT, name)

        mode = agent.dig('spec', 'mode') || 'autonomous'
        unless mode == 'scheduled'
          Formatters::ProgressFormatter.warn("Agent '#{name}' is not a scheduled agent (mode: #{mode})")
          puts
          puts 'Only scheduled agents can be resumed.'
          exit 1
        end

        # Resume the CronJob by setting spec.suspend = false
        cronjob_name = name

        Formatters::ProgressFormatter.("Resuming agent '#{name}'") do
          # Use kubectl to patch the cronjob
          cmd = "#{ctx.kubectl_prefix} patch cronjob #{cronjob_name} -p '{\"spec\":{\"suspend\":false}}'"
          _, stderr, status = Open3.capture3(cmd)

          unless status.success?
            error_msg = "Failed to resume agent '#{name}': kubectl command failed (exit code: #{status.exitstatus})"
            error_msg += "\nError: #{stderr.strip}" unless stderr.nil? || stderr.strip.empty?
            raise error_msg
          end
        end

        Formatters::ProgressFormatter.success("Agent '#{name}' resumed")
        puts
        puts 'The agent will now execute according to its schedule.'
        puts
        puts 'View next execution time with:'
        puts "  langop agent inspect #{name}"
      end
    end
  end
end