Class: Infopark::AwsUtils::Env

Inherits:
Object
  • Object
show all
Defined in:
lib/infopark/aws_utils/env.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(profile_name = nil) ⇒ Env

Returns a new instance of Env.



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# File 'lib/infopark/aws_utils/env.rb', line 27

def initialize(profile_name = nil)
  @credentials = Aws::SharedCredentials.new(profile_name: profile_name)
  if @credentials.credentials.nil?
    raise "No credentials for AWS profile “#{profile_name}” found."\
        " Please provide them via ~/.aws/credentials."
  end

  region = Aws.shared_config.region(profile: profile_name)
  if region.nil?
    raise "No region for AWS profile “#{profile_name}” found."\
        " Please provide them via ~/.aws/config."
  end

  @clients = Hash.new do |clients, mod|
    clients[mod] = mod.const_get(:Client).new(
      credentials: @credentials,
      region: region,
    )
  end
end

Class Method Details

.profile(name) ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 17

def profile(name)
  env_var = "AWS_#{name.upcase}_PROFILE"
  profile_name = ENV[env_var] || name
  new(profile_name)
rescue Aws::Errors::NoSuchProfileError
  raise "AWS profile “#{profile_name}” not found."\
      " Please provide the #{name} profile via #{env_var}."
end

Instance Method Details

#aas ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 72

def aas
  @clients[Aws::ApplicationAutoScaling]
end

#account_type ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 89

def 
  return "dev" if dev_account?
  return "prod" if prod_account?
  raise "Could not determine account type."
end

#alb ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 68

def alb
  @clients[Aws::ElasticLoadBalancingV2]
end

#as ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 64

def as
  @clients[Aws::AutoScaling]
end

#cw ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 76

def cw
  @clients[Aws::CloudWatch]
end

#cwl ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 80

def cwl
  @clients[Aws::CloudWatchLogs]
end

#dev_account? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/infopark/aws_utils/env.rb', line 95

def dev_account?
  account?(DEV_ACCOUNT_ID)
end

#ec2 ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 60

def ec2
  @clients[Aws::EC2]
end

#ecr ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 56

def ecr
  @clients[Aws::ECR]
end

#ecs ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 52

def ecs
  @clients[Aws::ECS]
end

#find_image_by_id(id) ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 131

def find_image_by_id(id)
  AwsUtils.gather_all(ec2, :describe_images, image_ids: [id]).first
end

#find_image_by_name(name) ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 135

def find_image_by_name(name)
  AwsUtils.gather_all(ec2, :describe_images, owners: [DEV_ACCOUNT_ID],
      filters: [{name: "name", values: [name]}]).first
end

#latest_base_image(root_device_type: :instance, reject_image_name_patterns: nil) ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 103

def latest_base_image(root_device_type: :instance, reject_image_name_patterns: nil)
  root_device_filter_value =
      case root_device_type
      when :instance
        ["instance-store"]
      when :ebs
        ["ebs"]
      else
        raise "invalid root_device_type: #{root_device_type}"
      end
  available_images = AwsUtils.gather_all(ec2, :describe_images,
      owners: [AWS_AMI_OWNER],
      filters: [
        {name: "root-device-type", values: root_device_filter_value},
        {name: "ena-support", values: ["true"]},
        {name: "image-type", values: ["machine"]},
        {name: "virtualization-type", values: ["hvm"]},
      ])
      .reject {|image| image.name.include?(".rc-") }
      .reject {|image| image.name.include?("-minimal-") }
      .reject {|image| image.name.include?("-test") }
      .reject {|image| image.name.include?("amzn-ami-vpc-nat-") }
  (reject_image_name_patterns || []).each do |pattern|
    available_images.reject! {|image| image.name =~ pattern }
  end
  available_images.sort_by(&:creation_date).last
end

#prod_account? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/infopark/aws_utils/env.rb', line 99

def prod_account?
  account?(PROD_ACCOUNT_ID)
end

#profile_name ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 48

def profile_name
  @credentials.profile_name
end

#sts ⇒ Object 



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# File 'lib/infopark/aws_utils/env.rb', line 84

def sts
  @clients[Aws::STS]
end