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# frozen_string_literal: true
module Clusters
class Cluster < ActiveRecord::Base
include Presentable
include Gitlab::Utils::StrongMemoize
include FromUnion
self.table_name = 'clusters'
APPLICATIONS = {
Applications::Helm.application_name => Applications::Helm,
Applications::Ingress.application_name => Applications::Ingress,
Applications::CertManager.application_name => Applications::CertManager,
Applications::Prometheus.application_name => Applications::Prometheus,
Applications::Runner.application_name => Applications::Runner,
Applications::Jupyter.application_name => Applications::Jupyter,
Applications::Knative.application_name => Applications::Knative
}.freeze
DEFAULT_ENVIRONMENT = '*'.freeze
KUBE_INGRESS_BASE_DOMAIN = 'KUBE_INGRESS_BASE_DOMAIN'.freeze
belongs_to :user
has_many :cluster_projects, class_name: 'Clusters::Project'
has_many :projects, through: :cluster_projects, class_name: '::Project'
has_one :cluster_project, -> { order(id: :desc) }, class_name: 'Clusters::Project'
has_many :cluster_groups, class_name: 'Clusters::Group'
has_many :groups, through: :cluster_groups, class_name: '::Group'
# we force autosave to happen when we save `Cluster` model
has_one :provider_gcp, class_name: 'Clusters::Providers::Gcp', autosave: true
has_one :platform_kubernetes, class_name: 'Clusters::Platforms::Kubernetes', inverse_of: :cluster, autosave: true
has_one :application_helm, class_name: 'Clusters::Applications::Helm'
has_one :application_ingress, class_name: 'Clusters::Applications::Ingress'
has_one :application_cert_manager, class_name: 'Clusters::Applications::CertManager'
has_one :application_prometheus, class_name: 'Clusters::Applications::Prometheus'
has_one :application_runner, class_name: 'Clusters::Applications::Runner'
has_one :application_jupyter, class_name: 'Clusters::Applications::Jupyter'
has_one :application_knative, class_name: 'Clusters::Applications::Knative'
has_many :kubernetes_namespaces
has_one :kubernetes_namespace, -> { order(id: :desc) }, class_name: 'Clusters::KubernetesNamespace'
accepts_nested_attributes_for :provider_gcp, update_only: true
accepts_nested_attributes_for :platform_kubernetes, update_only: true
validates :name, cluster_name: true
validates :cluster_type, presence: true
validates :domain, allow_blank: true, hostname: { allow_numeric_hostname: true }
validate :restrict_modification, on: :update
validate :no_groups, unless: :group_type?
validate :no_projects, unless: :project_type?
delegate :status, to: :provider, allow_nil: true
delegate :status_reason, to: :provider, allow_nil: true
delegate :on_creation?, to: :provider, allow_nil: true
delegate :active?, to: :platform_kubernetes, prefix: true, allow_nil: true
delegate :rbac?, to: :platform_kubernetes, prefix: true, allow_nil: true
delegate :available?, to: :application_helm, prefix: true, allow_nil: true
delegate :available?, to: :application_ingress, prefix: true, allow_nil: true
delegate :available?, to: :application_prometheus, prefix: true, allow_nil: true
delegate :available?, to: :application_knative, prefix: true, allow_nil: true
delegate :external_ip, to: :application_ingress, prefix: true, allow_nil: true
alias_attribute :base_domain, :domain
enum cluster_type: {
instance_type: 1,
group_type: 2,
project_type: 3
}
enum platform_type: {
kubernetes: 1
}
enum provider_type: {
user: 0,
gcp: 1
}
scope :enabled, -> { where(enabled: true) }
scope :disabled, -> { where(enabled: false) }
scope :user_provided, -> { where(provider_type: ::Clusters::Cluster.provider_types[:user]) }
scope :gcp_provided, -> { where(provider_type: ::Clusters::Cluster.provider_types[:gcp]) }
scope :gcp_installed, -> { gcp_provided.includes(:provider_gcp).where(cluster_providers_gcp: { status: ::Clusters::Providers::Gcp.state_machines[:status].states[:created].value }) }
scope :default_environment, -> { where(environment_scope: DEFAULT_ENVIRONMENT) }
scope :missing_kubernetes_namespace, -> (kubernetes_namespaces) do
subquery = kubernetes_namespaces.select('1').where('clusters_kubernetes_namespaces.cluster_id = clusters.id')
where('NOT EXISTS (?)', subquery)
end
scope :with_knative_installed, -> { joins(:application_knative).merge(Clusters::Applications::Knative.available) }
scope :preload_knative, -> {
preload(
:kubernetes_namespace,
:platform_kubernetes,
:application_knative
)
}
def self.ancestor_clusters_for_clusterable(clusterable, hierarchy_order: :asc)
hierarchy_groups = clusterable.ancestors_upto(hierarchy_order: hierarchy_order).eager_load(:clusters)
hierarchy_groups = hierarchy_groups.merge(current_scope) if current_scope
hierarchy_groups.flat_map(&:clusters)
end
def status_name
if provider
provider.status_name
else
:created
end
end
def created?
status_name == :created
end
def applications
[
application_helm || build_application_helm,
application_ingress || build_application_ingress,
application_cert_manager || build_application_cert_manager,
application_prometheus || build_application_prometheus,
application_runner || build_application_runner,
application_jupyter || build_application_jupyter,
application_knative || build_application_knative
]
end
def provider
return provider_gcp if gcp?
end
def platform
return platform_kubernetes if kubernetes?
end
def managed?
!user?
end
def all_projects
if project_type?
projects
elsif group_type?
first_group.all_projects
else
Project.none
end
end
def first_project
strong_memoize(:first_project) do
projects.first
end
end
alias_method :project, :first_project
def first_group
strong_memoize(:first_group) do
groups.first
end
end
alias_method :group, :first_group
def kubeclient
platform_kubernetes.kubeclient if kubernetes?
end
def find_or_initialize_kubernetes_namespace_for_project(project)
if project_type?
kubernetes_namespaces.find_or_initialize_by(
project: project,
cluster_project: cluster_project
)
else
kubernetes_namespaces.find_or_initialize_by(
project: project
)
end
end
def allow_user_defined_namespace?
project_type?
end
def kube_ingress_domain
@kube_ingress_domain ||= domain.presence || instance_domain || legacy_auto_devops_domain
end
def predefined_variables
Gitlab::Ci::Variables::Collection.new.tap do |variables|
break variables unless kube_ingress_domain
variables.append(key: KUBE_INGRESS_BASE_DOMAIN, value: kube_ingress_domain)
end
end
private
def instance_domain
@instance_domain ||= Gitlab::CurrentSettings.auto_devops_domain
end
# To keep backward compatibility with AUTO_DEVOPS_DOMAIN
# environment variable, we need to ensure KUBE_INGRESS_BASE_DOMAIN
# is set if AUTO_DEVOPS_DOMAIN is set on any of the following options:
# ProjectAutoDevops#Domain, project variables or group variables,
# as the AUTO_DEVOPS_DOMAIN is needed for CI_ENVIRONMENT_URL
#
# This method should is scheduled to be removed on
# https://gitlab.com/gitlab-org/gitlab-ce/issues/56959
def legacy_auto_devops_domain
if project_type?
project&.auto_devops&.domain.presence ||
project.variables.find_by(key: 'AUTO_DEVOPS_DOMAIN')&.value.presence ||
project.group&.variables&.find_by(key: 'AUTO_DEVOPS_DOMAIN')&.value.presence
elsif group_type?
group.variables.find_by(key: 'AUTO_DEVOPS_DOMAIN')&.value.presence
end
end
def restrict_modification
if provider&.on_creation?
errors.add(:base, "cannot modify during creation")
return false
end
true
end
def no_groups
if groups.any?
errors.add(:cluster, 'cannot have groups assigned')
end
end
def no_projects
if projects.any?
errors.add(:cluster, 'cannot have projects assigned')
end
end
end
end
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