Class: Datadog::Core::Remote::Negotiation

Inherits:
Object
  • Object
show all
Defined in:
lib/datadog/core/remote/negotiation.rb

Overview

Endpoint negotiation

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_settings, agent_settings, logger: Datadog.logger, suppress_logging: {}) ⇒ Negotiation 



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# File 'lib/datadog/core/remote/negotiation.rb', line 12

def initialize(_settings, agent_settings, logger: Datadog.logger, suppress_logging: {})
  @logger = logger
  @transport_root = Datadog::Core::Remote::Transport::HTTP.root(agent_settings: agent_settings, logger: logger)
  @logged = suppress_logging
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/datadog/core/remote/negotiation.rb', line 10

def logger
  @logger
end

Instance Method Details

#endpoint?(path) ⇒ Boolean 



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# File 'lib/datadog/core/remote/negotiation.rb', line 18

def endpoint?(path)
  # Cloudwise 环境不支持 /info 端点，直接返回 false
  # 避免向 Cloudwise 服务器发送不支持的请求
  return false if cloudwise_mode?

  res = @transport_root.send_info

  if res.internal_error? && network_error?(res.error)
    unless @logged[:agent_unreachable]
      logger.warn { "agent unreachable: cannot negotiate #{path}" }
      @logged[:agent_unreachable] = true
    end

    return false
  end

  if res.not_found?
    unless @logged[:no_info_endpoint]
      logger.warn { "agent reachable but has no /info endpoint: cannot negotiate #{path}" }
      @logged[:no_info_endpoint] = true
    end

    return false
  end

  unless res.ok?
    unless @logged[:unexpected_response]
      logger.warn { "agent reachable but unexpected response: cannot negotiate #{path}" }
      @logged[:unexpected_response] = true
    end

    return false
  end

  unless res.endpoints.include?(path)
    unless @logged[:no_config_endpoint]
      logger.warn { "agent reachable but does not report #{path}" }
      @logged[:no_config_endpoint] = true
    end

    return false
  end

  logger.debug { "agent reachable and reports #{path}" }

  true
end