Class: Ufo::Logs

Inherits:
Base
  • Object
show all
Includes:
AwsService
Defined in:
lib/ufo/logs.rb

Instance Method Summary collapse

Methods included from AwsService

#cloudformation, #cloudwatchlogs, #ec2, #ecr, #ecs, #elb

Methods inherited from Base

#full_service, #info, #initialize, #no_service_message, #switch_current

Methods included from Stack::Helper

#adjust_stack_name, #find_stack, #status

Methods included from Settings

#cfn, #network, #settings

Methods included from Util

#default_cluster, #display_params, #execute, #pretty_time, #settings, #task_definition_arns, #user_params

Constructor Details

This class inherits a constructor from Ufo::Base

Instance Method Details

#cloudwatch_tail(log = {}) ⇒ Object 



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# File 'lib/ufo/logs.rb', line 43

def cloudwatch_tail(log={})
  o = {
    log_group_name: log["awslogs-group"],
    log_stream_name_prefix: log["awslogs-stream-prefix"],
    since: @options[:since] || "10m", # by default, search only 10 mins in the past
    follow: @options[:follow],
    format: @options[:format],
  }
  o[:filter_pattern] = @options[:filter_pattern] if @options[:filter_pattern]
  cw_tail = AwsLogs::Tail.new(o)
  cw_tail.run
end

#find_log_group_name ⇒ Object 



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# File 'lib/ufo/logs.rb', line 19

def find_log_group_name
  resp = ecs.describe_task_definition(task_definition: info.service.task_definition)

  container_definitions = resp.task_definition.container_definitions

  unless container_definitions.size == 1
    puts "ERROR: ufo logs command only supports 1 container definition in the ECS task definition".color(:red)
    return
  end

  definition = container_definitions.first
  log_conf = definition.log_configuration

  if log_conf && log_conf.log_driver == "awslogs"
    # options["awslogs-group"]
    # options["awslogs-region"]
    # options["awslogs-stream-prefix"]
    log_conf.options
  else
    puts "Only supports awslogs driver. Detected log_driver: #{log_conf.log_driver}"
    return
  end
end

#run ⇒ Object 



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# File 'lib/ufo/logs.rb', line 9

def run
  log = find_log_group_name
  puts "Showing logs for log group: #{log["awslogs-group"]} and stream prefix #{log["awslogs-stream-prefix"]}"
  if log
    cloudwatch_tail(log)
  else
    puts "Unable to find log group for service: #{service.service_name}"
  end
end