Class: ActiveMatrix::AgentManager

Inherits:
Object
  • Object
show all
Includes:
Logging, Singleton
Defined in:
lib/active_matrix/agent_manager.rb

Overview

Manages the lifecycle of Matrix bot agents using async fibers

Constant Summary collapse

OTEL_ATTRS =

OpenTelemetry semantic conventions for messaging

{
  service: 'activematrix.agent_manager',
  messaging_system: 'matrix'
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

included, #logger, #logger=

Constructor Details

#initialize ⇒ AgentManager

Returns a new instance of AgentManager.



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# File 'lib/active_matrix/agent_manager.rb', line 22

def initialize
  @registry = AgentRegistry.instance
  @config = ActiveMatrix.config
  @barrier = nil
  @monitor_task = nil
  @running = false
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/active_matrix/agent_manager.rb', line 20

def config
  @config
end

#registry ⇒ Object (readonly)

Returns the value of attribute registry.



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# File 'lib/active_matrix/agent_manager.rb', line 20

def registry
  @registry
end

Instance Method Details

#install_signal_handlers! ⇒ Object

Install signal handlers for graceful shutdown. Call this explicitly if you want the gem to handle SIGINT/SIGTERM. By default, signal handling is left to the host application.



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# File 'lib/active_matrix/agent_manager.rb', line 33

def install_signal_handlers!
  %w[INT TERM].each do |signal|
    Signal.trap(signal) do
      stop_all
      exit # rubocop:disable Rails/Exit
    end
  end
end

#pause_agent(agent) ⇒ Object

Pause an agent (keep it registered but stop processing)



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# File 'lib/active_matrix/agent_manager.rb', line 166

def pause_agent(agent)
  return false unless agent.may_pause?

  entry = @registry.get(agent.id)
  return false unless entry

  logger.info "Pausing agent: #{agent.name}"

  client = entry[:instance]&.client
  client&.stop_listener if client&.listening?
  agent.pause!

  true
end

#restart_agent(agent) ⇒ Object

Restart an agent



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# File 'lib/active_matrix/agent_manager.rb', line 159

def restart_agent(agent)
  stop_agent(agent)
  sleep(1) # Brief pause
  start_agent(agent)
end

#resume_agent(agent) ⇒ Object

Resume a paused agent



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# File 'lib/active_matrix/agent_manager.rb', line 182

def resume_agent(agent)
  return false unless agent.paused?

  entry = @registry.get(agent.id)
  return false unless entry

  logger.info "Resuming agent: #{agent.name}"

  agent.resume!
  client = entry[:instance]&.client
  client&.start_listener
  agent.connection_established!

  true
end

#running? ⇒ Boolean

Check if currently running

Returns:

  • (Boolean) 


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# File 'lib/active_matrix/agent_manager.rb', line 209

def running?
  @running
end

#start_agent(agent) ⇒ Object

Start a specific agent as an async task



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# File 'lib/active_matrix/agent_manager.rb', line 84

def start_agent(agent)
  return false unless @running

  if @registry.running?(agent)
    logger.warn "Agent #{agent.name} is already running"
    return false
  end

  logger.info "Starting agent: #{agent.name}"

  begin
    agent.connect!

    task = @barrier.async do |subtask|
      subtask.annotate "agent-#{agent.name}"
      run_agent(agent)
    end

    # Store task reference for later control
    @registry.register_task(agent, task)
    true
  rescue StandardError => e
    logger.error "Failed to start agent #{agent.name}: #{e.message}"
    agent.encounter_error!
    false
  end
end

#start_agents(agents) ⇒ Object

Start specific agents (used by daemon workers)

Parameters:

  • agents (ActiveRecord::Relation, Array<Agent>) —

    Agents to start



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# File 'lib/active_matrix/agent_manager.rb', line 51

def start_agents(agents)
  return if @running

  @running = true
  agents_array = agents.respond_to?(:to_a) ? agents.to_a : agents
  logger.info "Starting #{agents_array.size} agents..."

  Sync do
    @barrier = Async::Barrier.new

    # Start the event router for routing Matrix events
    EventRouter.instance.start

    startup_delay = config.agent_startup_delay || 2

    agents_array.each_with_index do |agent, index|
      sleep(startup_delay) if index.positive?
      start_agent(agent)
    end

    start_monitor_task

    logger.info "Started #{@registry.count} agents"

    # Wait for all agent tasks to complete (blocks until shutdown)
    @barrier.wait
  ensure
    @barrier&.stop
    @running = false
  end
end

#start_all ⇒ Object

Start all agents marked as active in the database This is the main entry point - runs the async reactor



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# File 'lib/active_matrix/agent_manager.rb', line 44

def start_all
  agents = ActiveMatrix::Agent.where.not(state: :offline)
  start_agents(agents)
end

#status ⇒ Object

Get status of all agents



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# File 'lib/active_matrix/agent_manager.rb', line 199

def status
  {
    running: @registry.count,
    agents: @registry.health_status,
    monitor_active: @monitor_task&.alive? || false,
    shutdown: !@running
  }
end

#stop_agent(agent) ⇒ Object

Stop a specific agent



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# File 'lib/active_matrix/agent_manager.rb', line 113

def stop_agent(agent)
  entry = @registry.get(agent.id)
  return false unless entry

  logger.info "Stopping agent: #{agent.name}"

  begin
    # Stop the client sync
    client = entry[:instance]&.client
    client&.stop_listener if client&.listening?

    # Save sync token
    agent.update(last_sync_token: client.sync_token) if client&.sync_token.present?

    # Stop the async task gracefully
    task = entry[:task]
    task&.stop

    # Update state
    agent.disconnect! if agent.may_disconnect?

    true
  rescue StandardError => e
    logger.error "Error stopping agent #{agent.name}: #{e.message}"
    false
  end
end

#stop_all ⇒ Object

Stop all running agents



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# File 'lib/active_matrix/agent_manager.rb', line 142

def stop_all
  logger.info 'Stopping all agents...'

  # Stop monitor task
  @monitor_task&.stop

  # Stop event router
  EventRouter.instance.stop

  # Stop all agent tasks via barrier
  @barrier&.stop

  @running = false
  logger.info 'All agents stopped'
end