debian-mirror-gitlab/spec/services/clusters/aws/provision_service_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
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RSpec.describe Clusters::Aws::ProvisionService do
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describe '#execute' do
let(:provider) { create(:cluster_provider_aws) }
let(:provision_role) { create(:aws_role, user: provider.created_by_user) }
let(:client) { instance_double(Aws::CloudFormation::Client, create_stack: true) }
let(:cloudformation_template) { double }
let(:credentials) do
instance_double(
Aws::Credentials,
access_key_id: 'key',
secret_access_key: 'secret',
session_token: 'token'
)
end
let(:parameters) do
[
{ parameter_key: 'ClusterName', parameter_value: provider.cluster.name },
{ parameter_key: 'ClusterRole', parameter_value: provider.role_arn },
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{ parameter_key: 'KubernetesVersion', parameter_value: provider.kubernetes_version },
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{ parameter_key: 'ClusterControlPlaneSecurityGroup', parameter_value: provider.security_group_id },
{ parameter_key: 'VpcId', parameter_value: provider.vpc_id },
{ parameter_key: 'Subnets', parameter_value: provider.subnet_ids.join(',') },
{ parameter_key: 'NodeAutoScalingGroupDesiredCapacity', parameter_value: provider.num_nodes.to_s },
{ parameter_key: 'NodeInstanceType', parameter_value: provider.instance_type },
{ parameter_key: 'KeyName', parameter_value: provider.key_name }
]
end
subject { described_class.new.execute(provider) }
before do
allow(Clusters::Aws::FetchCredentialsService).to receive(:new)
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.with(provision_role, provider: provider)
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.and_return(double(execute: credentials))
allow(provider).to receive(:api_client)
.and_return(client)
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stub_file_read(Rails.root.join('vendor', 'aws', 'cloudformation', 'eks_cluster.yaml'), content: cloudformation_template)
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end
it 'updates the provider status to :creating and configures the provider with credentials' do
subject
expect(provider).to be_creating
expect(provider.access_key_id).to eq 'key'
expect(provider.secret_access_key).to eq 'secret'
expect(provider.session_token).to eq 'token'
end
it 'creates a CloudFormation stack' do
expect(client).to receive(:create_stack).with(
stack_name: provider.cluster.name,
template_body: cloudformation_template,
parameters: parameters,
capabilities: ["CAPABILITY_IAM"]
)
subject
end
it 'schedules a worker to monitor creation status' do
expect(WaitForClusterCreationWorker).to receive(:perform_in)
.with(Clusters::Aws::VerifyProvisionStatusService::INITIAL_INTERVAL, provider.cluster_id)
subject
end
describe 'error handling' do
shared_examples 'provision error' do |message|
it "sets the status to :errored with an appropriate error message" do
subject
expect(provider).to be_errored
expect(provider.status_reason).to include(message)
end
end
context 'invalid state transition' do
before do
allow(provider).to receive(:make_creating).and_return(false)
end
include_examples 'provision error', 'Failed to update provider record'
end
context 'AWS role is not configured' do
before do
allow(Clusters::Aws::FetchCredentialsService).to receive(:new)
.and_raise(Clusters::Aws::FetchCredentialsService::MissingRoleError)
end
include_examples 'provision error', 'Amazon role is not configured'
end
context 'AWS credentials are not configured' do
before do
allow(Clusters::Aws::FetchCredentialsService).to receive(:new)
.and_raise(Aws::Errors::MissingCredentialsError)
end
include_examples 'provision error', 'Amazon credentials are not configured'
end
context 'Authentication failure' do
before do
allow(Clusters::Aws::FetchCredentialsService).to receive(:new)
.and_raise(Aws::STS::Errors::ServiceError.new(double, 'Error message'))
end
include_examples 'provision error', 'Amazon authentication failed'
end
context 'CloudFormation failure' do
before do
allow(client).to receive(:create_stack)
.and_raise(Aws::CloudFormation::Errors::ServiceError.new(double, 'Error message'))
end
include_examples 'provision error', 'Amazon CloudFormation request failed'
end
end
end
end