Class: EventStore::Cluster::LeaderStatus::GossipEndpoint::Get

Inherits:
Object
  • Object
show all
Includes:
Log::Dependency
Defined in:
lib/event_store/cluster/leader_status/gossip_endpoint/get.rb

Defined Under Namespace

Modules: LogAttributes

Constant Summary collapse

NonClusterError = 
Class.new StandardError

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.build(connect_http = nil) ⇒ Object 



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# File 'lib/event_store/cluster/leader_status/gossip_endpoint/get.rb', line 12

def self.build(connect_http=nil)
  instance = new

  connect_http = EventStore::HTTP::Connect.configure(
    instance,
    connect: connect_http,
    attr_name: :connect_http
  )

  instance
end

.call(host = nil, connect_http = nil) ⇒ Object 



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# File 'lib/event_store/cluster/leader_status/gossip_endpoint/get.rb', line 24

def self.call(host=nil, connect_http=nil)
  instance = build connect_http
  instance.(host)
end

Instance Method Details

#call(host = nil) ⇒ Object 



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# File 'lib/event_store/cluster/leader_status/gossip_endpoint/get.rb', line 29

def call(host=nil)
  log_attributes = LogAttributes.get self, host: host

  logger.trace { "GET gossip endpoint (#{log_attributes})" }

  connection_telemetry = EventStore::HTTP::Connect.register_telemetry_sink connect_http

  connect_http.(host) do |connection|
    begin
      response = connection.request_get uri_path, http_headers
    rescue Net::ReadTimeout
      response = nil
    end

    if response
      log_attributes << ", StatusCode: #{response.code}, ReasonPhrase: #{response.message}"

      logger.debug { "GET gossip endpoint done (#{log_attributes})" }
      logger.trace { "Data: \n\n#{response.body}" }
    end

    if response.nil? or non_cluster? response
      error_message = "GET gossip endpoint made against non-clustered EventStore (#{log_attributes})"
      logger.error error_message
      raise NonClusterError, error_message
    end

    response = Transform::Read.(response.body, :json, Response)

    return response
  end
end

#http_headers ⇒ Object 



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# File 'lib/event_store/cluster/leader_status/gossip_endpoint/get.rb', line 66

def http_headers
  { 'Accept' => 'application/json' }
end

#non_cluster?(response) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/event_store/cluster/leader_status/gossip_endpoint/get.rb', line 70

def non_cluster?(response)
  response.code == '408' and response.message == "Server was unable to handle request in time"
end

#uri_path ⇒ Object 



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# File 'lib/event_store/cluster/leader_status/gossip_endpoint/get.rb', line 62

def uri_path
  '/gossip'
end