Class: Ufo::CLI::Logs

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

Instance Attribute Summary

Attributes inherited from Base

#task_definition

Instance Method Summary collapse

Methods inherited from Base

#initialize

Methods included from Utils::Sure

#sure?

Methods included from Utils::Pretty

#pretty_home, #pretty_path, #pretty_time

Methods included from Utils::Logging

#logger

Methods included from Ufo::Concerns

#build, #deploy, #info, #ps

Methods included from Ufo::Concerns::Names

#names

Methods included from AwsServices

#acm, #applicationautoscaling, #aws_options, #cfn, #cloudwatchlogs, #ec2, #ecr, #ecs, #elb, #s3, #ssm_client, #waf_client

Methods included from AwsServices::Concerns

#find_stack, #find_stack_resources, #stack_resources, #status, #task_definition_arns

Constructor Details

This class inherits a constructor from Ufo::CLI::Base

Instance Method Details

#cloudwatch_tail(log = {}) ⇒ Object 



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# File 'lib/ufo/cli/logs.rb', line 64

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] = filter_pattern
  cw_tail = AwsLogs::Tail.new(o)
  cw_tail.run
end

#filter_pattern ⇒ Object 



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# File 'lib/ufo/cli/logs.rb', line 77

def filter_pattern
  @options[:filter_pattern] ? @options[:filter_pattern] : Ufo.config.logs.filter_pattern
end

#find_log_group_name ⇒ Object 



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# File 'lib/ufo/cli/logs.rb', line 17

def find_log_group_name
  unless info.service
    logger.info "Cannot find stack: #{@stack_name}"
    exit 1
  end
  task_definition = info.service.task_definition
  resp = ecs.describe_task_definition(task_definition: task_definition)

  container_definitions = resp.task_definition.container_definitions

  if container_definitions.size > 1 && !@options[:container]
    logger.info "Multiple containers found. ufo logs will use the first container."
    logger.info "You can also use the --container option to set the container to use."
  end

  definition = if @options[:container]
                 container_definitions.find do |c|
                   c.name == @options[:container]
                 end
               else
                 container_definitions.first
               end

  unless definition
    logger.error "ERROR: unable to find a container".color(:red)
    logger.error "You specified --container #{@options[:container]}" if @options[:container]
    exit
  end

  log_conf = definition.log_configuration
  unless log_conf
    logger.error "ERROR: Unable to find a log_configuration for container: #{definition.name}".color(:red)
    logger.error "You specified --container #{@options[:container]}" if @options[:container]
    exit 1
  end

  if log_conf.log_driver == "awslogs"
    # options["awslogs-group"]
    # options["awslogs-region"]
    # options["awslogs-stream-prefix"]
    log_conf.options
  else
    logger.error "ERROR: Only supports awslogs driver. Detected log_driver: #{log_conf.log_driver}".color(:red)
    exit 1 unless ENV['UFO_TEST']
  end
end

#run ⇒ Object 



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# File 'lib/ufo/cli/logs.rb', line 7

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