117 lines
3.1 KiB
Ruby
117 lines
3.1 KiB
Ruby
require "bunny"
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# A wrapper around AMQP to stay DRY. Will make life easier if we ever need to
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# change protocols
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class Transport
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OPTS = { read_timeout: 10, heartbeat: 10, log_level: "info" }
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def self.amqp_url
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@amqp_url ||= ENV['CLOUDAMQP_URL'] ||
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ENV['RABBITMQ_URL'] ||
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"amqp://admin:#{ENV.fetch("ADMIN_PASSWORD")}@#{ENV.fetch("MQTT_HOST")}:5672"
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end
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def self.default_amqp_adapter=(value)
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@default_amqp_adapter = value
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end
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def self.default_amqp_adapter
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@default_amqp_adapter ||= Bunny
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end
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attr_accessor :amqp_adapter, :request_store
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def self.current
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@current ||= self.new
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end
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def self.current=(value)
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@current = value
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end
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def connection
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@connection ||= Transport
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.default_amqp_adapter.new(Transport.amqp_url, OPTS).start
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end
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def log_channel
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@log_channel ||= self.connection
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.create_channel
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.queue("api_log_workers")
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.bind("amq.topic", routing_key: "bot.*.logs")
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end
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def resource_channel
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@resource_channel ||= self.connection
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.create_channel
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.queue("resource_workers")
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.bind("amq.topic", routing_key: "bot.*.resources_v0.#")
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end
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def amqp_topic
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@amqp_topic ||= self
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.connection
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.create_channel
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.topic("amq.topic", auto_delete: true)
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end
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def amqp_send(message, id, channel)
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raise "BAD `id`" unless id.is_a?(String) || id.is_a?(Integer)
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routing_key = "bot.device_#{id}.#{channel}"
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puts message if Rails.env.production?
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amqp_topic.publish(message, routing_key: routing_key)
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end
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# We need to hoist the Rack X-Farmbot-Rpc-Id to a global state so that it can
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# be used as a unique identifier for AMQP messages.
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def current_request_id
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RequestStore.store[:current_request_id] || "NONE"
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end
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def set_current_request_id(uuid)
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RequestStore.store[:current_request_id] = uuid
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end
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module Mgmt
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require "rabbitmq/http/client"
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def self.username
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@username ||= URI(Transport.amqp_url).user || "admin"
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end
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def self.password
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@password ||= URI(Transport.amqp_url).password
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end
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def self.api_url
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uri = URI(Transport.amqp_url)
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uri.scheme = ENV["FORCE_SSL"] ? "https" : "http"
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uri.user = nil
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uri.port = 15672
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uri.to_s
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end
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def self.client
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@client ||= RabbitMQ::HTTP::Client.new(ENV["RABBIT_MGMT_URL"] || api_url,
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username: self.username,
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password: self.password)
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end
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def self.connections
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client.list_connections
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end
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def self.find_connection_by_name(name)
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connections
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.select { |x| x.fetch("user").include?(name) }
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.pluck("name")
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.compact
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.uniq
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end
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def self.close_connections_for_username(name)
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find_connection_by_name(name).map { |connec| client.close_connection(connec) }
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end
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end # Mqmt
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end # Transport
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