Class: Swaggerless::Cleaner

Inherits:
Object
  • Object
show all
Defined in:
lib/swaggerless/cleaner.rb

Instance Method Summary collapse

Constructor Details

#initialize(account, region) ⇒ Cleaner

Returns a new instance of Cleaner.



7
8
9
10
11
12
13
# File 'lib/swaggerless/cleaner.rb', line 7

def initialize(, region)
  @region = region
  @account = 
  @api_gateway_client = Aws::APIGateway::Client.new(region: @region)
  @lambda_client = Aws::Lambda::Client.new(region: @region)
  @swaggerExtractor = Swaggerless::SwaggerExtractor.new();
end

Instance Method Details

#clean_unused_deployments(swagger) ⇒ Object



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
# File 'lib/swaggerless/cleaner.rb', line 21

def clean_unused_deployments(swagger)
  apis = @api_gateway_client.get_rest_apis(limit: 500).data
  api = apis.items.select { |a| a.name == swagger['info']['title'] }.first

  if api
    used_deployments = Hash.new
    response = @api_gateway_client.get_stages({rest_api_id: api.id})
    response.item.each do |stage|
      puts "Deployment #{stage.deployment_id} used by #{stage.stage_name}"
      used_deployments[stage.deployment_id] = stage.stage_name
    end
    response = @api_gateway_client.get_deployments({rest_api_id: api.id, limit: 500})
    time_threshold = Time.now
    response.items.each do |deployment|
      if used_deployments[deployment.id] == nil and Time.at(deployment.created_date) < time_threshold
        puts "Deployment #{deployment.id} is not used and old enough to be pruned"
        @api_gateway_client.delete_deployment({rest_api_id: api.id, deployment_id: deployment.id})
      end
    end

    response = @api_gateway_client.get_deployments({rest_api_id: api.id, limit: 500})
    lambda_liases_used = Hash.new
    response.items.each do |deployment|
      if deployment.description != nil then
        first_char = deployment.description.rindex(":")
        if first_char
          func_alias = deployment.description[deployment.description.rindex(":")+2..-1]
          puts "Lambda alias #{func_alias} still used by deployment #{deployment.id}"
          lambda_liases_used[func_alias] = deployment.id
        end
      end
    end

    configured_lambdas = @swaggerExtractor.get_lambda_map(swagger)
    configured_lambdas.each do |functionName, config|
      lambda_versions_used = Hash.new
      if config[:handler] == nil
        next
      end
      begin
        resp = @lambda_client.list_aliases({function_name: functionName, max_items: 500 })
        resp.aliases.each do |funcAlias|
          if lambda_liases_used[funcAlias.name] == nil then
            puts "Deleting alias #{funcAlias.name} for lambda function #{functionName}"
            @lambda_client.delete_alias({function_name: functionName, name: funcAlias.name})
          else
            puts "Lambda version #{funcAlias.function_version} still used by function deployment #{functionName}"
            lambda_versions_used[funcAlias.function_version] = funcAlias.name
          end

        end

        resp = @lambda_client.list_versions_by_function({function_name: functionName, max_items: 500})
        resp.versions.each do |lambda|
          if lambda.version != "$LATEST" and lambda_versions_used[lambda.version] == nil
            puts "Deleting lambda version #{lambda.version} of function #{functionName}"
            @lambda_client.delete_function({function_name: functionName, qualifier: lambda.version})
          end

        end
      rescue Aws::Lambda::Errors::ResourceNotFoundException
        puts "Function #{functionName} does not exist and will be skipped"
      end

    end

  end

end

#remove_stage(swagger, stage_to_remove) ⇒ Object



15
16
17
18
19
# File 'lib/swaggerless/cleaner.rb', line 15

def remove_stage(swagger, stage_to_remove)
  apis = @api_gateway_client.get_rest_apis(limit: 500).data
  api = apis.items.select { |a| a.name == swagger['info']['title'] }.first
  @api_gateway_client.delete_stage({rest_api_id: api.id, stage_name: stage_to_remove})
end