Commit 64be8d70 authored by Kamil Trzcinski's avatar Kamil Trzcinski

Improve backend structure of data

parent 461c385e
class Projects::Clusters::ApplicationsController < Projects::ApplicationController
before_action :cluster
before_action :application_class, only: [:create]
before_action :authorize_read_cluster!
before_action :authorize_create_cluster!, only: [:create]
def new
end
def create
return render_404 if application
new_application = application_class.create(cluster: cluster)
respond_to do |format|
format.json do
if new_application.persisted?
head :ok
else
head :bad_request
end
end
end
end
private
def cluster
@cluster ||= project.clusters.find_by(cluster_id: params[:cluster_id]).present(current_user: current_user)
end
def application_class
Clusters::Cluster::Applications.find(params[:application])
end
def application
application_class.find_by(cluster: cluster)
end
end
module Clusters
module Kubernetes
class HelmApp < ActiveRecord::Base
module Applications
class Helm < ActiveRecord::Base
self.table_name = 'clusters_applications_helm'
NAME = 'helm'.freeze
include ::Clusters::Concerns::AppStatus
belongs_to :kubernetes_service, class_name: 'KubernetesService', foreign_key: :service_id
default_value_for :version, Gitlab::Clusters::Helm::HELM_VERSION
belongs_to :cluser, class_name: 'Clusters::Cluster', foreign_key: :cluster_id
alias_method :cluster, :kubernetes_service
default_value_for :version, Gitlab::Clusters::Helm::HELM_VERSION
def name
NAME
......
......@@ -4,6 +4,10 @@ module Clusters
self.table_name = 'clusters'
APPLICATIONS = {
Clusters::Applications::Helm::NAME => Clusters::Applications::Helm
}
belongs_to :user
has_many :cluster_projects, class_name: 'Clusters::Project'
......@@ -15,13 +19,14 @@ module Clusters
# We have to ":destroy" it today to ensure that we clean also the Kubernetes Integration
has_one :platform_kubernetes, class_name: 'Clusters::Platforms::Kubernetes', autosave: true, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
has_one :application_helm, class_name: 'Clusters::Applications::Helm'
accepts_nested_attributes_for :provider_gcp, update_only: true
accepts_nested_attributes_for :platform_kubernetes, update_only: true
validates :name, cluster_name: true
validate :restrict_modification, on: :update
delegate :status, to: :provider, allow_nil: true
delegate :status_reason, to: :provider, allow_nil: true
delegate :status_name, to: :provider, allow_nil: true
delegate :on_creation?, to: :provider, allow_nil: true
......@@ -38,6 +43,14 @@ module Clusters
scope :enabled, -> { where(enabled: true) }
scope :disabled, -> { where(enabled: false) }
def status_name
if provider
provider.status_name
else
:created
end
end
def provider
return provider_gcp if gcp?
end
......@@ -53,6 +66,10 @@ module Clusters
end
alias_method :project, :first_project
def kubeclient
platform_kubernetes.kubeclient if kubernetes?
end
private
def restrict_modification
......
module Clusters
module Kubernetes
def self.table_name_prefix
'clusters_kubernetes_'
end
def self.app(app_name)
case app_name
when HelmApp::NAME
HelmApp
else
raise ArgumentError, "Unknown app #{app_name}"
end
end
end
end
......@@ -60,6 +60,10 @@ module Clusters
self.class.namespace_for_project(project) if project
end
def kubeclient
@kubeclient ||= kubernetes_service.kubeclient if manages_kubernetes_service?
end
private
def enforce_namespace_to_lower_case
......
......@@ -189,6 +189,7 @@ class Project < ActiveRecord::Base
has_one :cluster_project, class_name: 'Clusters::Project'
has_one :cluster, through: :cluster_project, class_name: 'Clusters::Cluster'
has_many :clusters, through: :cluster_project, class_name: 'Clusters::Cluster'
# Container repositories need to remove data from the container registry,
# which is not managed by the DB. Hence we're still using dependent: :destroy
......
......@@ -3,8 +3,6 @@ class KubernetesService < DeploymentService
include Gitlab::Kubernetes
include ReactiveCaching
has_one :helm_app, class_name: 'Clusters::Kubernetes::HelmApp', foreign_key: :service_id
self.reactive_cache_key = ->(service) { [service.class.model_name.singular, service.project_id] }
# Namespace defaults to the project path, but can be overridden in case that
......@@ -138,8 +136,8 @@ class KubernetesService < DeploymentService
{ pods: read_pods }
end
def helm
Gitlab::Clusters::Helm.new(build_kubeclient!)
def kubeclient
@kubeclient ||= build_kubeclient!
end
TEMPLATE_PLACEHOLDER = 'Kubernetes namespace'.freeze
......
......@@ -5,5 +5,11 @@ module Clusters
def gke_cluster_url
"https://console.cloud.google.com/kubernetes/clusters/details/#{provider.zone}/#{name}" if gcp?
end
def applications
Clusters::Cluster::APPLICATIONS.map do |key, value|
value.find_by(cluster_id: id)
end.compact
end
end
end
class ClusterAppEntity < Grape::Entity
expose :name
expose :status_name, as: :status
expose :status_reason
end
......@@ -3,16 +3,5 @@ class ClusterEntity < Grape::Entity
expose :status_name, as: :status
expose :status_reason
expose :applications do |cluster, options|
if cluster.created?
{
helm: { status: 'installed' },
ingress: { status: 'error', status_reason: 'Missing namespace' },
runner: { status: 'installing' },
prometheus: { status: 'installable' }
}
else
{}
end
end
expose :applications, using: ClusterAppEntity
end
......@@ -8,10 +8,16 @@ module Clusters
protected
def helm
return @helm if defined?(@helm)
def cluster
app.cluster
end
def kubeclient
cluster.kubeclient
end
@helm = @app.cluster.helm
def helm_api
@helm ||= Gitlab::Clusters::Helm.new(kubeclient)
end
end
end
......@@ -3,8 +3,8 @@ module Clusters
def execute
return unless app.installing?
phase = helm.installation_status(app)
log = helm.installation_log(app) if phase == 'Failed'
phase = helm_api.installation_status(app)
log = helm_api.installation_log(app) if phase == 'Failed'
yield(phase, log) if block_given?
rescue KubeException => ke
app.make_errored!("Kubernetes error: #{ke.message}") unless app.errored?
......
module Clusters
class FinalizeAppInstallationService < BaseHelmService
def execute
helm.delete_installation_pod!(app)
helm_api.delete_installation_pod!(app)
app.make_errored!('Installation aborted') if aborted?
end
......
......@@ -4,14 +4,14 @@ module Clusters
return unless app.scheduled?
begin
helm.install(app)
helm_api.install(app)
if app.make_installing
ClusterWaitForAppInstallationWorker.perform_in(
ClusterWaitForAppInstallationWorker::INITIAL_INTERVAL, app.name, app.id)
else
app.make_errored!("Failed to update app record; #{app.errors}")
end
rescue KubeException => ke
app.make_errored!("Kubernetes error: #{ke.message}")
rescue StandardError => e
......
......@@ -3,8 +3,9 @@ module ClusterApp
included do
def find_app(app_name, id)
app = Clusters::Kubernetes.app(app_name).find(id)
yield(app) if block_given?
Clusters::Applications.const_get(app_name.classify).find(id).try do |app|
yield(app) if block_given?
end
end
end
end
......@@ -190,6 +190,10 @@ constraints(ProjectUrlConstrainer.new) do
member do
get :status, format: :json
scope '*application' do
resource :applications, only: [:create]
end
end
end
......
class CreateClustersKubernetesHelmApps < ActiveRecord::Migration
def change
create_table :clusters_kubernetes_helm_apps do |t|
t.integer :status, null: false
create_table :clusters_applications_helm do |t|
t.references :cluster, null: false, unique: true, foreign_key: { on_delete: :cascade }
t.datetime_with_timezone :created_at, null: false
t.datetime_with_timezone :updated_at, null: false
t.references :service, index: true, null: false, foreign_key: { on_delete: :cascade }
t.integer :status, null: false
t.string :version, null: false
t.text :status_reason
end
......
......@@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 20171017145932) do
ActiveRecord::Schema.define(version: 20171031100710) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
......@@ -464,9 +464,7 @@ ActiveRecord::Schema.define(version: 20171017145932) do
create_table "cluster_platforms_kubernetes", force: :cascade do |t|
t.integer "cluster_id", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.text "api_url"
t.string "api_url"
t.text "ca_cert"
t.string "namespace"
t.string "username"
......@@ -474,6 +472,8 @@ ActiveRecord::Schema.define(version: 20171017145932) do
t.string "encrypted_password_iv"
t.text "encrypted_token"
t.string "encrypted_token_iv"
t.datetime_with_timezone "created_at", null: false
t.datetime_with_timezone "updated_at", null: false
end
add_index "cluster_platforms_kubernetes", ["cluster_id"], name: "index_cluster_platforms_kubernetes_on_cluster_id", unique: true, using: :btree
......@@ -491,33 +491,39 @@ ActiveRecord::Schema.define(version: 20171017145932) do
create_table "cluster_providers_gcp", force: :cascade do |t|
t.integer "cluster_id", null: false
t.integer "status"
t.integer "num_nodes", null: false
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.text "status_reason"
t.string "gcp_project_id", null: false
t.string "zone", null: false
t.integer "num_nodes", null: false
t.string "machine_type"
t.string "operation_id"
t.string "endpoint"
t.text "encrypted_access_token"
t.string "encrypted_access_token_iv"
t.datetime_with_timezone "created_at", null: false
t.datetime_with_timezone "updated_at", null: false
end
add_index "cluster_providers_gcp", ["cluster_id"], name: "index_cluster_providers_gcp_on_cluster_id", unique: true, using: :btree
create_table "clusters", force: :cascade do |t|
t.integer "user_id", null: false
t.integer "provider_type"
t.integer "platform_type"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "user_id"
t.boolean "enabled", default: true
t.string "name", null: false
t.integer "provider_type"
t.integer "platform_type"
t.datetime_with_timezone "created_at", null: false
t.datetime_with_timezone "updated_at", null: false
end
add_index "clusters", ["enabled"], name: "index_clusters_on_enabled", using: :btree
add_index "clusters", ["user_id"], name: "index_clusters_on_user_id", using: :btree
create_table "clusters_applications_helm", force: :cascade do |t|
t.integer "cluster_id", null: false
t.datetime_with_timezone "created_at", null: false
t.datetime_with_timezone "updated_at", null: false
t.integer "status", null: false
t.string "version", null: false
t.text "status_reason"
end
create_table "container_repositories", force: :cascade do |t|
t.integer "project_id", null: false
......@@ -1872,6 +1878,7 @@ ActiveRecord::Schema.define(version: 20171017145932) do
add_foreign_key "cluster_projects", "projects", on_delete: :cascade
add_foreign_key "cluster_providers_gcp", "clusters", on_delete: :cascade
add_foreign_key "clusters", "users", on_delete: :nullify
add_foreign_key "clusters_applications_helm", "clusters", on_delete: :cascade
add_foreign_key "container_repositories", "projects"
add_foreign_key "deploy_keys_projects", "projects", name: "fk_58a901ca7e", on_delete: :cascade
add_foreign_key "deployments", "projects", name: "fk_b9a3851b82", on_delete: :cascade
......
require 'rails_helper'
require_relative '../kubernetes_spec'
RSpec.describe Clusters::Kubernetes::HelmApp, type: :model do
RSpec.describe Clusters::Applications::Helm, type: :model do
it_behaves_like 'a registered kubernetes app'
it { is_expected.to belong_to(:kubernetes_service) }
......
require 'rails_helper'
RSpec.shared_examples 'a registered kubernetes app' do
let(:name) { described_class::NAME }
it 'can be retrieved with Clusters::Kubernetes.app' do
expect(Clusters::Kubernetes.app(name)).to eq(described_class)
end
end
......@@ -9,7 +9,6 @@ describe KubernetesService, :use_clean_rails_memory_store_caching do
describe 'Associations' do
it { is_expected.to belong_to :project }
it { is_expected.to have_one(:helm_app) }
end
describe 'Validations' do
......
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