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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Clusters::Aws::FetchCredentialsService do
describe '#execute' do
let(:user) { create(:user) }
let(:provider) { create(:cluster_provider_aws, region: 'ap-southeast-2') }
let(:gitlab_access_key_id) { 'gitlab-access-key-id' }
let(:gitlab_secret_access_key) { 'gitlab-secret-access-key' }
let(:gitlab_credentials) { Aws::Credentials.new(gitlab_access_key_id, gitlab_secret_access_key) }
let(:sts_client) { Aws::STS::Client.new(credentials: gitlab_credentials, region: region) }
let(:assumed_role) { instance_double(Aws::AssumeRoleCredentials, credentials: assumed_role_credentials) }
let(:assumed_role_credentials) { double }
subject { described_class.new(provision_role, provider: provider).execute }
context 'provision role is configured' do
let(:provision_role) { create(:aws_role, user: user, region: 'custom-region') }
before do
stub_application_setting(eks_access_key_id: gitlab_access_key_id)
stub_application_setting(eks_secret_access_key: gitlab_secret_access_key)
expect(Aws::Credentials).to receive(:new)
.with(gitlab_access_key_id, gitlab_secret_access_key)
.and_return(gitlab_credentials)
expect(Aws::STS::Client).to receive(:new)
.with(credentials: gitlab_credentials, region: region)
.and_return(sts_client)
expect(Aws::AssumeRoleCredentials).to receive(:new)
.with(
client: sts_client,
role_arn: provision_role.role_arn,
role_session_name: session_name,
external_id: provision_role.role_external_id,
policy: session_policy
).and_return(assumed_role)
end
context 'provider is specified' do
let(:region) { provider.region }
let(:session_name) { "gitlab-eks-cluster-#{provider.cluster_id}-user-#{user.id}" }
let(:session_policy) { nil }
it { is_expected.to eq assumed_role_credentials }
end
context 'provider is not specifed' do
let(:provider) { nil }
let(:region) { provision_role.region }
let(:session_name) { "gitlab-eks-autofill-user-#{user.id}" }
let(:session_policy) { 'policy-document' }
subject { described_class.new(provision_role, provider: provider).execute }
before do
stub_file_read(Rails.root.join('vendor', 'aws', 'iam', 'eks_cluster_read_only_policy.json'), content: session_policy)
end
it { is_expected.to eq assumed_role_credentials }
context 'region is not specifed' do
let(:region) { Clusters::Providers::Aws::DEFAULT_REGION }
let(:provision_role) { create(:aws_role, user: user, region: nil) }
it { is_expected.to eq assumed_role_credentials }
end
end
end
context 'provision role is not configured' do
let(:provision_role) { nil }
it 'raises an error' do
expect { subject }.to raise_error(described_class::MissingRoleError, 'AWS provisioning role not configured')
end
end
context 'with an instance profile attached to an IAM role' do
let(:sts_client) { Aws::STS::Client.new(region: region, stub_responses: true) }
let(:provision_role) { create(:aws_role, user: user, region: 'custom-region') }
before do
stub_application_setting(eks_access_key_id: nil)
stub_application_setting(eks_secret_access_key: nil)
expect(Aws::STS::Client).to receive(:new)
.with(region: region)
.and_return(sts_client)
expect(Aws::AssumeRoleCredentials).to receive(:new)
.with(
client: sts_client,
role_arn: provision_role.role_arn,
role_session_name: session_name,
external_id: provision_role.role_external_id,
policy: session_policy
).and_call_original
end
context 'provider is specified' do
let(:region) { provider.region }
let(:session_name) { "gitlab-eks-cluster-#{provider.cluster_id}-user-#{user.id}" }
let(:session_policy) { nil }
it 'returns credentials', :aggregate_failures do
expect(subject.access_key_id).to be_present
expect(subject.secret_access_key).to be_present
expect(subject.session_token).to be_present
end
end
context 'provider is not specifed' do
let(:provider) { nil }
let(:region) { provision_role.region }
let(:session_name) { "gitlab-eks-autofill-user-#{user.id}" }
let(:session_policy) { 'policy-document' }
before do
stub_file_read(Rails.root.join('vendor', 'aws', 'iam', 'eks_cluster_read_only_policy.json'), content: session_policy)
end
subject { described_class.new(provision_role, provider: provider).execute }
it 'returns credentials', :aggregate_failures do
expect(subject.access_key_id).to be_present
expect(subject.secret_access_key).to be_present
expect(subject.session_token).to be_present
end
end
end
end
end
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