Class: Cloudscale::Monitor::Init

Inherits:
Object
  • Object
show all
Defined in:
lib/cloudscale/monitor/agent/init.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(token) ⇒ Init

Returns a new instance of Init.



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# File 'lib/cloudscale/monitor/agent/init.rb', line 19

def initialize(token)
  @log = Logger.new(STDOUT)
  @server = Socket.gethostname
  @client = RestClientWrapper.instance
  @registry = Monitor::Registry.instance

  puts " "
  puts "Running preflight verification for cloudscale monitoring agent"

  if (@registry.stored_agent == nil)
    raise "You did not provide any valid Agent file under /store/agent/agent.store."
  end

  agent = client.searchOne('agents', 'findByAgentId', { :agentId => @registry.stored_agent["agentId"] })

  if (agent == nil)
    raise "No agent registered yet. It is not allowed to connect this agent instance to cloudscale monitoring."
  end

  if (@registry.stored_agent_instance != nil)
    agent_instance = client.searchOne('agentInstances',
    'findByAgentInstanceId', { :id => @registry.stored_agent_instance["agentInstanceId"] })
  end

  if (agent_instance == nil)
    puts "    No Instance of this agent was started previously, starting cloudscale monitoring agent for the first, registering..."

    agent_instance_settings = Monitor::Settings.new(15, 0, 1500, 5)
    agent_instance = Monitor::AgentInstance.new(RestClientWrapper.load_entity_ref(agent)["href"],
      @registry.agent_instance_id, token, server, agent_instance_settings, Time.now.to_i * 1000)

    client.post('agentInstances', agent_instance)
    Constants::AgentInstance.create(agent_instance.to_h)
  else
    puts "    Instance has been started previously, loading settings and existing data... \n\n"

    agent_instance["lastInitialization"] = Time.now.to_i * 1000

    client.patch('agentInstances', RestClientWrapper.load_entity_id(agent_instance), agent_instance)
  end
end

Instance Attribute Details

#client ⇒ Object

Returns the value of attribute client.



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# File 'lib/cloudscale/monitor/agent/init.rb', line 17

def client
  @client
end

#log ⇒ Object

Returns the value of attribute log.



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# File 'lib/cloudscale/monitor/agent/init.rb', line 17

def log
  @log
end

#server ⇒ Object

Returns the value of attribute server.



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# File 'lib/cloudscale/monitor/agent/init.rb', line 17

def server
  @server
end