diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/gitlab/kubernetes/helm.rb | 37 | ||||
-rw-r--r-- | lib/gitlab/kubernetes/helm/api.rb | 42 | ||||
-rw-r--r-- | lib/gitlab/kubernetes/helm/install_command.rb | 76 | ||||
-rw-r--r-- | lib/gitlab/kubernetes/helm/pod.rb | 102 |
4 files changed, 134 insertions, 123 deletions
diff --git a/lib/gitlab/kubernetes/helm.rb b/lib/gitlab/kubernetes/helm.rb index 8765780dd5c..0f0588b8b23 100644 --- a/lib/gitlab/kubernetes/helm.rb +++ b/lib/gitlab/kubernetes/helm.rb @@ -1,43 +1,8 @@ module Gitlab module Kubernetes - class Helm + module Helm HELM_VERSION = '2.7.0'.freeze NAMESPACE = 'gitlab-managed-apps'.freeze - - def initialize(kubeclient) - @kubeclient = kubeclient - @namespace = Gitlab::Kubernetes::Namespace.new(NAMESPACE, kubeclient) - end - - def install(command) - @namespace.ensure_exists! - @kubeclient.create_pod(pod_resource(command)) - end - - ## - # Returns Pod phase - # - # https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#pod-phase - # - # values: "Pending", "Running", "Succeeded", "Failed", "Unknown" - # - def installation_status(pod_name) - @kubeclient.get_pod(pod_name, @namespace.name).status.phase - end - - def installation_log(pod_name) - @kubeclient.get_pod_log(pod_name, @namespace.name).body - end - - def delete_installation_pod!(pod_name) - @kubeclient.delete_pod(pod_name, @namespace.name) - end - - private - - def pod_resource(command) - Pod.new(command, @namespace.name, @kubeclient).generate - end end end end diff --git a/lib/gitlab/kubernetes/helm/api.rb b/lib/gitlab/kubernetes/helm/api.rb new file mode 100644 index 00000000000..ebd7dc1b100 --- /dev/null +++ b/lib/gitlab/kubernetes/helm/api.rb @@ -0,0 +1,42 @@ +module Gitlab + module Kubernetes + module Helm + class Api + def initialize(kubeclient) + @kubeclient = kubeclient + @namespace = Gitlab::Kubernetes::Namespace.new(Gitlab::Kubernetes::Helm::NAMESPACE, kubeclient) + end + + def install(command) + @namespace.ensure_exists! + @kubeclient.create_pod(pod_resource(command)) + end + + ## + # Returns Pod phase + # + # https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#pod-phase + # + # values: "Pending", "Running", "Succeeded", "Failed", "Unknown" + # + def installation_status(pod_name) + @kubeclient.get_pod(pod_name, @namespace.name).status.phase + end + + def installation_log(pod_name) + @kubeclient.get_pod_log(pod_name, @namespace.name).body + end + + def delete_installation_pod!(pod_name) + @kubeclient.delete_pod(pod_name, @namespace.name) + end + + private + + def pod_resource(command) + Pod.new(command, @namespace.name, @kubeclient).generate + end + end + end + end +end diff --git a/lib/gitlab/kubernetes/helm/install_command.rb b/lib/gitlab/kubernetes/helm/install_command.rb index 846a1948434..8d8c441a4b1 100644 --- a/lib/gitlab/kubernetes/helm/install_command.rb +++ b/lib/gitlab/kubernetes/helm/install_command.rb @@ -1,50 +1,52 @@ module Gitlab module Kubernetes - class Helm::InstallCommand - attr_reader :name, :install_helm, :chart, :chart_values_file - - def initialize(name, install_helm: false, chart: false, chart_values_file: false) - @name = name - @install_helm = install_helm - @chart = chart - @chart_values_file = chart_values_file - end + module Helm + class InstallCommand + attr_reader :name, :install_helm, :chart, :chart_values_file + + def initialize(name, install_helm: false, chart: false, chart_values_file: false) + @name = name + @install_helm = install_helm + @chart = chart + @chart_values_file = chart_values_file + end - def pod_name - "install-#{name}" - end + def pod_name + "install-#{name}" + end - def generate_script(namespace_name) - [ - install_dps_command, - init_command, - complete_command(namespace_name) - ].join("\n") - end + def generate_script(namespace_name) + [ + install_dps_command, + init_command, + complete_command(namespace_name) + ].join("\n") + end - private + private - def init_command - if install_helm - 'helm init >/dev/null' - else - 'helm init --client-only >/dev/null' + def init_command + if install_helm + 'helm init >/dev/null' + else + 'helm init --client-only >/dev/null' + end end - end - def complete_command(namespace_name) - return unless chart + def complete_command(namespace_name) + return unless chart - "helm install #{chart} --name #{name} --namespace #{namespace_name} >/dev/null" - end + "helm install #{chart} --name #{name} --namespace #{namespace_name} >/dev/null" + end - def install_dps_command - <<~HEREDOC - set -eo pipefail - apk add -U ca-certificates openssl >/dev/null - wget -q -O - https://kubernetes-helm.storage.googleapis.com/helm-v#{Gitlab::Kubernetes::Helm::HELM_VERSION}-linux-amd64.tar.gz | tar zxC /tmp >/dev/null - mv /tmp/linux-amd64/helm /usr/bin/ - HEREDOC + def install_dps_command + <<~HEREDOC + set -eo pipefail + apk add -U ca-certificates openssl >/dev/null + wget -q -O - https://kubernetes-helm.storage.googleapis.com/helm-v#{Gitlab::Kubernetes::Helm::HELM_VERSION}-linux-amd64.tar.gz | tar zxC /tmp >/dev/null + mv /tmp/linux-amd64/helm /usr/bin/ + HEREDOC + end end end end diff --git a/lib/gitlab/kubernetes/helm/pod.rb b/lib/gitlab/kubernetes/helm/pod.rb index e57d0eb8a5b..233f6bf6227 100644 --- a/lib/gitlab/kubernetes/helm/pod.rb +++ b/lib/gitlab/kubernetes/helm/pod.rb @@ -1,66 +1,68 @@ module Gitlab module Kubernetes - class Helm::Pod - def initialize(command, namespace_name, kubeclient) - @command = command - @namespace_name = namespace_name - @kubeclient = kubeclient - end + module Helm + class Pod + def initialize(command, namespace_name, kubeclient) + @command = command + @namespace_name = namespace_name + @kubeclient = kubeclient + end - def generate - spec = { containers: [container_specification], restartPolicy: 'Never' } - if command.chart_values_file - generate_config_map - spec['volumes'] = volumes_specification + def generate + spec = { containers: [container_specification], restartPolicy: 'Never' } + if command.chart_values_file + generate_config_map + spec['volumes'] = volumes_specification + end + ::Kubeclient::Resource.new(metadata: metadata, spec: spec) end - ::Kubeclient::Resource.new(metadata: metadata, spec: spec) - end - private + private - attr_reader :command, :namespace_name, :kubeclient + attr_reader :command, :namespace_name, :kubeclient - def container_specification - container = { - name: 'helm', - image: 'alpine:3.6', - env: generate_pod_env(command), - command: %w(/bin/sh), - args: %w(-c $(COMMAND_SCRIPT)) - } - container[:volumeMounts] = volume_mounts_specification if command.chart_values_file - container - end + def container_specification + container = { + name: 'helm', + image: 'alpine:3.6', + env: generate_pod_env(command), + command: %w(/bin/sh), + args: %w(-c $(COMMAND_SCRIPT)) + } + container[:volumeMounts] = volume_mounts_specification if command.chart_values_file + container + end - def labels - { 'gitlab.org/action': 'install', 'gitlab.org/application': command.name } - end + def labels + { 'gitlab.org/action': 'install', 'gitlab.org/application': command.name } + end - def metadata - { name: command.pod_name, namespace: namespace_name, labels: labels } - end + def metadata + { name: command.pod_name, namespace: namespace_name, labels: labels } + end - def volume_mounts_specification - [{ name: 'config-volume', mountPath: '/etc/config' }] - end + def volume_mounts_specification + [{ name: 'config-volume', mountPath: '/etc/config' }] + end - def volumes_specification - [{ name: 'config-volume', configMap: { name: 'values-config' } }] - end + def volumes_specification + [{ name: 'config-volume', configMap: { name: 'values-config' } }] + end - def generate_pod_env(command) - { - HELM_VERSION: Gitlab::Kubernetes::Helm::HELM_VERSION, - TILLER_NAMESPACE: namespace_name, - COMMAND_SCRIPT: command.generate_script(namespace_name) - }.map { |key, value| { name: key, value: value } } - end + def generate_pod_env(command) + { + HELM_VERSION: Gitlab::Kubernetes::Helm::HELM_VERSION, + TILLER_NAMESPACE: namespace_name, + COMMAND_SCRIPT: command.generate_script(namespace_name) + }.map { |key, value| { name: key, value: value } } + end - def generate_config_map - resource = ::Kubeclient::Resource.new - resource.metadata = { name: 'values-config', namespace: namespace_name } - resource.data = YAML.load_file(command.chart_values_file) - kubeclient.create_config_map(resource) + def generate_config_map + resource = ::Kubeclient::Resource.new + resource.metadata = { name: 'values-config', namespace: namespace_name } + resource.data = YAML.load_file(command.chart_values_file) + kubeclient.create_config_map(resource) + end end end end |