Class: Cucloud::ElbUtils

Inherits:
Object
  • Object
show all
Defined in:
lib/cucloud/elb_utils.rb

Overview

ElbUtils class - methods related to elb

Instance Method Summary collapse

Constructor Details

#initialize(s3 = Aws::S3::Client.new) ⇒ ElbUtils

Returns a new instance of ElbUtils.



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# File 'lib/cucloud/elb_utils.rb', line 4

def initialize(s3 = Aws::S3::Client.new)
  @s3 = s3
end

Instance Method Details

#enable_logging(elb_name, app_name, policy, _elb = Aws::ElasticLoadBalancing::Client.new) ⇒ boolean

Enable logging to a s3 bucket for an ELB

Parameters:

  • elb_name (string) —

    name of the elastic load balancer

  • app_name (string) —

    name of the application, used as prefix inside s3 bucket

  • policy (string) —

    IAM policy to be applied to the bucket

Returns:

  • (boolean) 


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# File 'lib/cucloud/elb_utils.rb', line 13

def enable_logging(elb_name, app_name, policy, _elb = Aws::ElasticLoadBalancing::Client.new)
  ## Added by Scott Ross
  ## Stand alone script found here: https://github.com/CU-CloudCollab/elb-logging/
  ## Manual process: http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/enable-access-logs.html

  bucket_name = "#{elb_name}-logging"

  @s3.create_bucket(bucket: bucket_name)
  s3.put_bucket_policy(bucket: bucket_name,
                       policy: policy.to_json)

  elb_client.modify_load_balancer_attributes(load_balancer_name: elb_name, # required
                                             load_balancer_attributes: {
                                               access_log: {
                                                 enabled: true, # required
                                                 s3_bucket_name: bucket_name,
                                                 emit_interval: 5,
                                                 s3_bucket_prefix: app_name
                                               }
                                             })
  s3.list_objects(bucket: bucket_name).contents.length == 1 ? 0 : 1
end