Class: ActiveMatrix::Daemon::ProbeServer

Inherits:
Object
  • Object
show all
Defined in:
lib/active_matrix/daemon/probe_server.rb

Overview

Lightweight HTTP health probe server using Async::HTTP

Endpoints:

  • GET /health - Returns 200 if healthy, 503 if shutting down

  • GET /status - Returns detailed JSON status

  • GET /metrics - Prometheus-compatible metrics

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host:, port:, daemon:) ⇒ ProbeServer

Returns a new instance of ProbeServer.



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# File 'lib/active_matrix/daemon/probe_server.rb', line 19

def initialize(host:, port:, daemon:)
  @host = host
  @port = port
  @daemon = daemon
  @thread = nil
end

Instance Attribute Details

#daemon ⇒ Object (readonly)

Returns the value of attribute daemon.



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# File 'lib/active_matrix/daemon/probe_server.rb', line 17

def daemon
  @daemon
end

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/active_matrix/daemon/probe_server.rb', line 17

def host
  @host
end

#port ⇒ Object (readonly)

Returns the value of attribute port.



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# File 'lib/active_matrix/daemon/probe_server.rb', line 17

def port
  @port
end

Instance Method Details

#start ⇒ Object 



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# File 'lib/active_matrix/daemon/probe_server.rb', line 26

def start
  @thread = Thread.new do
    Sync do
      endpoint = Async::HTTP::Endpoint.parse("http://#{host}:#{port}")

      @server = Async::HTTP::Server.for(endpoint) do |request|
        handle_request(request)
      end

      logger.info "Probe server listening on #{host}:#{port}"
      @server.run
    end
  rescue StandardError => e
    logger.error "Probe server error: #{e.message}"
  end
end

#stop ⇒ Object 



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# File 'lib/active_matrix/daemon/probe_server.rb', line 43

def stop
  @thread&.kill
  @thread&.join(1)
end