460 lines
16 KiB
Ruby
460 lines
16 KiB
Ruby
# frozen_string_literal: true
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module Clusters
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class Cluster < ApplicationRecord
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include Presentable
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include Gitlab::Utils::StrongMemoize
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include FromUnion
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include ReactiveCaching
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include AfterCommitQueue
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self.table_name = 'clusters'
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APPLICATIONS = {
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Clusters::Applications::Helm.application_name => Clusters::Applications::Helm,
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Clusters::Applications::Ingress.application_name => Clusters::Applications::Ingress,
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Clusters::Applications::CertManager.application_name => Clusters::Applications::CertManager,
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Clusters::Applications::Crossplane.application_name => Clusters::Applications::Crossplane,
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Clusters::Applications::Prometheus.application_name => Clusters::Applications::Prometheus,
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Clusters::Applications::Runner.application_name => Clusters::Applications::Runner,
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Clusters::Applications::Jupyter.application_name => Clusters::Applications::Jupyter,
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Clusters::Applications::Knative.application_name => Clusters::Applications::Knative,
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Clusters::Applications::ElasticStack.application_name => Clusters::Applications::ElasticStack,
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Clusters::Applications::Fluentd.application_name => Clusters::Applications::Fluentd
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}.freeze
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DEFAULT_ENVIRONMENT = '*'
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KUBE_INGRESS_BASE_DOMAIN = 'KUBE_INGRESS_BASE_DOMAIN'
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APPLICATIONS_ASSOCIATIONS = APPLICATIONS.values.map(&:association_name).freeze
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self.reactive_cache_work_type = :external_dependency
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belongs_to :user
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belongs_to :management_project, class_name: '::Project', optional: true
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has_many :cluster_projects, class_name: 'Clusters::Project'
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has_many :projects, through: :cluster_projects, class_name: '::Project'
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has_one :cluster_project, -> { order(id: :desc) }, class_name: 'Clusters::Project'
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has_many :deployment_clusters
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has_many :deployments, inverse_of: :cluster
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has_many :cluster_groups, class_name: 'Clusters::Group'
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has_many :groups, through: :cluster_groups, class_name: '::Group'
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has_many :groups_projects, through: :groups, source: :projects, class_name: '::Project'
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# we force autosave to happen when we save `Cluster` model
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has_one :provider_gcp, class_name: 'Clusters::Providers::Gcp', autosave: true
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has_one :provider_aws, class_name: 'Clusters::Providers::Aws', autosave: true
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has_one :platform_kubernetes, class_name: 'Clusters::Platforms::Kubernetes', inverse_of: :cluster, autosave: true
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def self.has_one_cluster_application(name) # rubocop:disable Naming/PredicateName
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application = APPLICATIONS[name.to_s]
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has_one application.association_name, class_name: application.to_s, inverse_of: :cluster # rubocop:disable Rails/ReflectionClassName
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end
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has_one_cluster_application :helm
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has_one_cluster_application :ingress
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has_one_cluster_application :cert_manager
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has_one_cluster_application :crossplane
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has_one_cluster_application :prometheus
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has_one_cluster_application :runner
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has_one_cluster_application :jupyter
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has_one_cluster_application :knative
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has_one_cluster_application :elastic_stack
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has_one_cluster_application :fluentd
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has_many :kubernetes_namespaces
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has_many :metrics_dashboard_annotations, class_name: 'Metrics::Dashboard::Annotation', inverse_of: :cluster
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accepts_nested_attributes_for :provider_gcp, update_only: true
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accepts_nested_attributes_for :provider_aws, update_only: true
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accepts_nested_attributes_for :platform_kubernetes, update_only: true
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validates :name, cluster_name: true
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validates :cluster_type, presence: true
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validates :domain, allow_blank: true, hostname: { allow_numeric_hostname: true }
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validates :namespace_per_environment, inclusion: { in: [true, false] }
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validate :restrict_modification, on: :update
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validate :no_groups, unless: :group_type?
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validate :no_projects, unless: :project_type?
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validate :unique_management_project_environment_scope
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after_save :clear_reactive_cache!
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delegate :status, to: :provider, allow_nil: true
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delegate :status_reason, to: :provider, allow_nil: true
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delegate :on_creation?, to: :provider, allow_nil: true
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delegate :knative_pre_installed?, to: :provider, allow_nil: true
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delegate :active?, to: :platform_kubernetes, prefix: true, allow_nil: true
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delegate :rbac?, to: :platform_kubernetes, prefix: true, allow_nil: true
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delegate :available?, to: :application_helm, prefix: true, allow_nil: true
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delegate :available?, to: :application_ingress, prefix: true, allow_nil: true
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delegate :available?, to: :application_prometheus, prefix: true, allow_nil: true
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delegate :available?, to: :application_knative, prefix: true, allow_nil: true
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delegate :external_ip, to: :application_ingress, prefix: true, allow_nil: true
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delegate :external_hostname, to: :application_ingress, prefix: true, allow_nil: true
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alias_attribute :base_domain, :domain
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alias_attribute :provided_by_user?, :user?
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enum cluster_type: {
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instance_type: 1,
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group_type: 2,
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project_type: 3
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}
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enum platform_type: {
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kubernetes: 1
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}
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enum provider_type: {
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user: 0,
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gcp: 1,
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aws: 2
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}
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scope :enabled, -> { where(enabled: true) }
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scope :disabled, -> { where(enabled: false) }
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scope :user_provided, -> { where(provider_type: :user) }
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scope :gcp_provided, -> { where(provider_type: :gcp) }
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scope :aws_provided, -> { where(provider_type: :aws) }
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scope :gcp_installed, -> { gcp_provided.joins(:provider_gcp).merge(Clusters::Providers::Gcp.with_status(:created)) }
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scope :aws_installed, -> { aws_provided.joins(:provider_aws).merge(Clusters::Providers::Aws.with_status(:created)) }
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scope :managed, -> { where(managed: true) }
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scope :with_persisted_applications, -> { eager_load(*APPLICATIONS_ASSOCIATIONS) }
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scope :default_environment, -> { where(environment_scope: DEFAULT_ENVIRONMENT) }
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scope :with_management_project, -> { where.not(management_project: nil) }
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scope :for_project_namespace, -> (namespace_id) { joins(:projects).where(projects: { namespace_id: namespace_id }) }
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scope :with_application_prometheus, -> { includes(:application_prometheus).joins(:application_prometheus) }
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scope :with_project_alert_service_data, -> (project_ids) do
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conditions = { projects: { alerts_service: [:data] } }
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includes(conditions).joins(conditions).where(projects: { id: project_ids })
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end
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def self.ancestor_clusters_for_clusterable(clusterable, hierarchy_order: :asc)
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return [] if clusterable.is_a?(Instance)
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hierarchy_groups = clusterable.ancestors_upto(hierarchy_order: hierarchy_order).eager_load(:clusters)
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hierarchy_groups = hierarchy_groups.merge(current_scope) if current_scope
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hierarchy_groups.flat_map(&:clusters) + Instance.new.clusters
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end
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state_machine :cleanup_status, initial: :cleanup_not_started do
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state :cleanup_not_started, value: 1
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state :cleanup_uninstalling_applications, value: 2
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state :cleanup_removing_project_namespaces, value: 3
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state :cleanup_removing_service_account, value: 4
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state :cleanup_errored, value: 5
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event :start_cleanup do |cluster|
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transition [:cleanup_not_started, :cleanup_errored] => :cleanup_uninstalling_applications
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end
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event :continue_cleanup do
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transition(
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cleanup_uninstalling_applications: :cleanup_removing_project_namespaces,
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cleanup_removing_project_namespaces: :cleanup_removing_service_account)
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end
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event :make_cleanup_errored do
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transition any => :cleanup_errored
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end
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before_transition any => [:cleanup_errored] do |cluster, transition|
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status_reason = transition.args.first
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cluster.cleanup_status_reason = status_reason if status_reason
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end
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after_transition [:cleanup_not_started, :cleanup_errored] => :cleanup_uninstalling_applications do |cluster|
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cluster.run_after_commit do
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Clusters::Cleanup::AppWorker.perform_async(cluster.id)
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end
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end
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after_transition cleanup_uninstalling_applications: :cleanup_removing_project_namespaces do |cluster|
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cluster.run_after_commit do
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Clusters::Cleanup::ProjectNamespaceWorker.perform_async(cluster.id)
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end
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end
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after_transition cleanup_removing_project_namespaces: :cleanup_removing_service_account do |cluster|
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cluster.run_after_commit do
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Clusters::Cleanup::ServiceAccountWorker.perform_async(cluster.id)
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end
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end
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end
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def all_projects
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return projects if project_type?
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return groups_projects if group_type?
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::Project.all
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end
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def status_name
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return cleanup_status_name if cleanup_errored?
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return :cleanup_ongoing unless cleanup_not_started?
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provider&.status_name || connection_status.presence || :created
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end
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def connection_status
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with_reactive_cache do |data|
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data[:connection_status]
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end
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end
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def nodes
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with_reactive_cache do |data|
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data[:nodes]
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end
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end
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def calculate_reactive_cache
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return unless enabled?
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{ connection_status: retrieve_connection_status, nodes: retrieve_nodes }
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end
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def persisted_applications
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APPLICATIONS_ASSOCIATIONS.map(&method(:public_send)).compact
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end
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def applications
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APPLICATIONS.each_value.map do |application_class|
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find_or_build_application(application_class)
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end
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end
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def find_or_build_application(application_class)
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raise ArgumentError, "#{application_class} is not in APPLICATIONS" unless APPLICATIONS.value?(application_class)
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association_name = application_class.association_name
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public_send(association_name) || public_send("build_#{association_name}") # rubocop:disable GitlabSecurity/PublicSend
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end
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def provider
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if gcp?
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provider_gcp
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elsif aws?
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provider_aws
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end
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end
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def platform
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return platform_kubernetes if kubernetes?
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end
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def first_project
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strong_memoize(:first_project) do
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projects.first
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end
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end
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alias_method :project, :first_project
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def first_group
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strong_memoize(:first_group) do
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groups.first
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end
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end
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alias_method :group, :first_group
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def instance
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Instance.new if instance_type?
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end
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def kubeclient
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platform_kubernetes.kubeclient if kubernetes?
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end
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def kubernetes_namespace_for(environment, deployable: environment.last_deployable)
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if deployable && environment.project_id != deployable.project_id
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raise ArgumentError, 'environment.project_id must match deployable.project_id'
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end
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managed_namespace(environment) ||
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ci_configured_namespace(deployable) ||
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default_namespace(environment)
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end
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def allow_user_defined_namespace?
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project_type? || !managed?
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end
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def kube_ingress_domain
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@kube_ingress_domain ||= domain.presence || instance_domain
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end
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def predefined_variables
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Gitlab::Ci::Variables::Collection.new.tap do |variables|
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break variables unless kube_ingress_domain
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variables.append(key: KUBE_INGRESS_BASE_DOMAIN, value: kube_ingress_domain)
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end
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end
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def delete_cached_resources!
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kubernetes_namespaces.delete_all(:delete_all)
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end
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def clusterable
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return unless cluster_type
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case cluster_type
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when 'project_type'
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project
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when 'group_type'
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group
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when 'instance_type'
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instance
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else
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raise NotImplementedError
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end
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end
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def serverless_domain
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strong_memoize(:serverless_domain) do
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self.application_knative&.serverless_domain_cluster
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end
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end
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private
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def unique_management_project_environment_scope
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return unless management_project
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duplicate_management_clusters = management_project.management_clusters
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.where(environment_scope: environment_scope)
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.where.not(id: id)
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if duplicate_management_clusters.any?
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errors.add(:environment_scope, 'cannot add duplicated environment scope')
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end
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end
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def managed_namespace(environment)
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Clusters::KubernetesNamespaceFinder.new(
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self,
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project: environment.project,
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environment_name: environment.name
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).execute&.namespace
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end
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def ci_configured_namespace(deployable)
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# YAML configuration of namespaces not supported for managed clusters
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return if managed?
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deployable&.expanded_kubernetes_namespace
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end
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def default_namespace(environment)
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Gitlab::Kubernetes::DefaultNamespace.new(
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self,
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project: environment.project
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).from_environment_slug(environment.slug)
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end
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def instance_domain
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@instance_domain ||= Gitlab::CurrentSettings.auto_devops_domain
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end
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def retrieve_connection_status
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result = ::Gitlab::Kubernetes::KubeClient.graceful_request(id) { kubeclient.core_client.discover }
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result[:status]
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end
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def retrieve_nodes
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result = ::Gitlab::Kubernetes::KubeClient.graceful_request(id) { kubeclient.get_nodes }
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cluster_nodes = result[:response].to_a
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result = ::Gitlab::Kubernetes::KubeClient.graceful_request(id) { kubeclient.metrics_client.get_nodes }
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nodes_metrics = result[:response].to_a
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cluster_nodes.inject([]) do |memo, node|
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sliced_node = filter_relevant_node_attributes(node)
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matched_node_metric = nodes_metrics.find { |node_metric| node_metric.metadata.name == node.metadata.name }
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sliced_node_metrics = matched_node_metric ? filter_relevant_node_metrics_attributes(matched_node_metric) : {}
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memo << sliced_node.merge(sliced_node_metrics)
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end
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end
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def filter_relevant_node_attributes(node)
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{
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'metadata' => {
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'name' => node.metadata.name
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},
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'status' => {
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'capacity' => {
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'cpu' => node.status.capacity.cpu,
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'memory' => node.status.capacity.memory
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},
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'allocatable' => {
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'cpu' => node.status.allocatable.cpu,
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'memory' => node.status.allocatable.memory
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}
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}
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}
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end
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def filter_relevant_node_metrics_attributes(node_metrics)
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{
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'usage' => {
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'cpu' => node_metrics.usage.cpu,
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'memory' => node_metrics.usage.memory
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}
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}
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end
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# To keep backward compatibility with AUTO_DEVOPS_DOMAIN
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# environment variable, we need to ensure KUBE_INGRESS_BASE_DOMAIN
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# is set if AUTO_DEVOPS_DOMAIN is set on any of the following options:
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# ProjectAutoDevops#Domain, project variables or group variables,
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# as the AUTO_DEVOPS_DOMAIN is needed for CI_ENVIRONMENT_URL
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#
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# This method should is scheduled to be removed on
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# https://gitlab.com/gitlab-org/gitlab-foss/issues/56959
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def legacy_auto_devops_domain
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if project_type?
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project&.auto_devops&.domain.presence ||
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project.variables.find_by(key: 'AUTO_DEVOPS_DOMAIN')&.value.presence ||
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project.group&.variables&.find_by(key: 'AUTO_DEVOPS_DOMAIN')&.value.presence
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elsif group_type?
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group.variables.find_by(key: 'AUTO_DEVOPS_DOMAIN')&.value.presence
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end
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end
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def restrict_modification
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if provider&.on_creation?
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errors.add(:base, _('Cannot modify provider during creation'))
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return false
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end
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true
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end
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def no_groups
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if groups.any?
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errors.add(:cluster, 'cannot have groups assigned')
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end
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end
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def no_projects
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if projects.any?
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errors.add(:cluster, 'cannot have projects assigned')
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end
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end
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end
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end
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Clusters::Cluster.prepend_if_ee('EE::Clusters::Cluster')
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