debian-mirror-gitlab/spec/lib/gitlab/kubernetes/helm/install_command_spec.rb

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# frozen_string_literal: true
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require 'spec_helper'
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describe Gitlab::Kubernetes::Helm::InstallCommand do
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let(:files) { { 'ca.pem': 'some file content' } }
let(:repository) { 'https://repository.example.com' }
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let(:rbac) { false }
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let(:version) { '1.2.3' }
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let(:preinstall) { nil }
let(:postinstall) { nil }
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let(:install_command) do
described_class.new(
name: 'app-name',
chart: 'chart-name',
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rbac: rbac,
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files: files,
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version: version,
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repository: repository,
preinstall: preinstall,
postinstall: postinstall
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)
end
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subject { install_command }
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it_behaves_like 'helm commands' do
let(:commands) do
<<~EOS
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export HELM_HOST="localhost:44134"
tiller -listen ${HELM_HOST} -alsologtostderr &
helm init --client-only
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helm repo add app-name https://repository.example.com
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helm repo update
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#{helm_install_comand}
EOS
end
let(:helm_install_comand) do
<<~EOS.squish
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helm upgrade app-name chart-name
--install
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--atomic
--cleanup-on-fail
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--reset-values
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--version 1.2.3
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--set rbac.create\\=false,rbac.enabled\\=false
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--namespace gitlab-managed-apps
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-f /data/helm/app-name/config/values.yaml
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EOS
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end
end
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context 'tillerless feature disabled' do
before do
stub_feature_flags(managed_apps_local_tiller: false)
end
let(:tls_flags) do
<<~EOS.squish
--tls
--tls-ca-cert /data/helm/app-name/config/ca.pem
--tls-cert /data/helm/app-name/config/cert.pem
--tls-key /data/helm/app-name/config/key.pem
EOS
end
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it_behaves_like 'helm commands' do
let(:commands) do
<<~EOS
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helm init --upgrade
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for i in $(seq 1 30); do helm version #{tls_flags} && s=0 && break || s=$?; sleep 1s; echo \"Retrying ($i)...\"; done; (exit $s)
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helm repo add app-name https://repository.example.com
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helm repo update
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#{helm_install_comand}
EOS
end
let(:helm_install_comand) do
<<~EOS.squish
helm upgrade app-name chart-name
--install
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--atomic
--cleanup-on-fail
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--reset-values
#{tls_flags}
--version 1.2.3
--set rbac.create\\=false,rbac.enabled\\=false
--namespace gitlab-managed-apps
-f /data/helm/app-name/config/values.yaml
EOS
end
end
end
context 'when rbac is true' do
let(:rbac) { true }
it_behaves_like 'helm commands' do
let(:commands) do
<<~EOS
export HELM_HOST="localhost:44134"
tiller -listen ${HELM_HOST} -alsologtostderr &
helm init --client-only
helm repo add app-name https://repository.example.com
helm repo update
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#{helm_install_command}
EOS
end
let(:helm_install_command) do
<<~EOS.squish
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helm upgrade app-name chart-name
--install
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--atomic
--cleanup-on-fail
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--reset-values
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--version 1.2.3
--set rbac.create\\=true,rbac.enabled\\=true
--namespace gitlab-managed-apps
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-f /data/helm/app-name/config/values.yaml
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EOS
end
end
end
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context 'when there is a pre-install script' do
let(:preinstall) { ['/bin/date', '/bin/true'] }
it_behaves_like 'helm commands' do
let(:commands) do
<<~EOS
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export HELM_HOST="localhost:44134"
tiller -listen ${HELM_HOST} -alsologtostderr &
helm init --client-only
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helm repo add app-name https://repository.example.com
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helm repo update
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/bin/date
/bin/true
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#{helm_install_command}
EOS
end
let(:helm_install_command) do
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<<~EOS.squish
helm upgrade app-name chart-name
--install
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--atomic
--cleanup-on-fail
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--reset-values
--version 1.2.3
--set rbac.create\\=false,rbac.enabled\\=false
--namespace gitlab-managed-apps
-f /data/helm/app-name/config/values.yaml
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EOS
end
end
end
context 'when there is a post-install script' do
let(:postinstall) { ['/bin/date', "/bin/false\n"] }
it_behaves_like 'helm commands' do
let(:commands) do
<<~EOS
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export HELM_HOST="localhost:44134"
tiller -listen ${HELM_HOST} -alsologtostderr &
helm init --client-only
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helm repo add app-name https://repository.example.com
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helm repo update
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#{helm_install_command}
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/bin/date
/bin/false
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EOS
end
let(:helm_install_command) do
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<<~EOS.squish
helm upgrade app-name chart-name
--install
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--atomic
--cleanup-on-fail
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--reset-values
--version 1.2.3
--set rbac.create\\=false,rbac.enabled\\=false
--namespace gitlab-managed-apps
-f /data/helm/app-name/config/values.yaml
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EOS
end
end
end
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context 'when there is no ca.pem file' do
let(:files) { { 'file.txt': 'some content' } }
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it_behaves_like 'helm commands' do
let(:commands) do
<<~EOS
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export HELM_HOST="localhost:44134"
tiller -listen ${HELM_HOST} -alsologtostderr &
helm init --client-only
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helm repo add app-name https://repository.example.com
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helm repo update
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#{helm_install_command}
EOS
end
let(:helm_install_command) do
<<~EOS.squish
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helm upgrade app-name chart-name
--install
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--atomic
--cleanup-on-fail
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--reset-values
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--version 1.2.3
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--set rbac.create\\=false,rbac.enabled\\=false
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--namespace gitlab-managed-apps
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-f /data/helm/app-name/config/values.yaml
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EOS
end
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end
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end
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context 'when there is no version' do
let(:version) { nil }
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it_behaves_like 'helm commands' do
let(:commands) do
<<~EOS
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export HELM_HOST="localhost:44134"
tiller -listen ${HELM_HOST} -alsologtostderr &
helm init --client-only
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helm repo add app-name https://repository.example.com
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helm repo update
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#{helm_install_command}
EOS
end
let(:helm_install_command) do
<<~EOS.squish
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helm upgrade app-name chart-name
--install
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--atomic
--cleanup-on-fail
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--reset-values
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--set rbac.create\\=false,rbac.enabled\\=false
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--namespace gitlab-managed-apps
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-f /data/helm/app-name/config/values.yaml
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EOS
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end
end
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end
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describe '#rbac?' do
subject { install_command.rbac? }
context 'rbac is enabled' do
let(:rbac) { true }
it { is_expected.to be_truthy }
end
context 'rbac is not enabled' do
let(:rbac) { false }
it { is_expected.to be_falsey }
end
end
describe '#pod_resource' do
subject { install_command.pod_resource }
context 'rbac is enabled' do
let(:rbac) { true }
it 'generates a pod that uses the tiller serviceAccountName' do
expect(subject.spec.serviceAccountName).to eq('tiller')
end
end
context 'rbac is not enabled' do
let(:rbac) { false }
it 'generates a pod that uses the default serviceAccountName' do
expect(subject.spec.serviceAcccountName).to be_nil
end
end
end
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describe '#config_map_resource' do
let(:metadata) do
{
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name: "values-content-configuration-app-name",
namespace: 'gitlab-managed-apps',
labels: { name: "values-content-configuration-app-name" }
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}
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end
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let(:resource) { ::Kubeclient::Resource.new(metadata: metadata, data: files) }
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subject { install_command.config_map_resource }
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it 'returns a KubeClient resource with config map content for the application' do
is_expected.to eq(resource)
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end
end
end