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class MigrateKubernetesServiceToNewClustersArchitectures < ActiveRecord::Migration
DOWNTIME = false
DEFAULT_KUBERNETES_SERVICE_CLUSTER_NAME = 'KubernetesService'.freeze
class Project < ActiveRecord::Base
self.table_name = 'projects'
has_many :cluster_projects, class_name: 'ClustersProject'
has_many :clusters, through: :cluster_projects, class_name: 'Cluster'
end
class Cluster < ActiveRecord::Base
self.table_name = 'clusters'
has_many :cluster_projects, class_name: 'ClustersProject'
has_many :projects, through: :cluster_projects, class_name: 'Project'
has_one :platform_kubernetes, class_name: 'PlatformsKubernetes'
accepts_nested_attributes_for :platform_kubernetes
enum platform_type: {
kubernetes: 1
}
enum provider_type: {
user: 0,
gcp: 1
}
end
class ClustersProject < ActiveRecord::Base
self.table_name = 'cluster_projects'
belongs_to :cluster, class_name: 'Cluster'
belongs_to :project, class_name: 'Project'
end
class PlatformsKubernetes < ActiveRecord::Base
self.table_name = 'cluster_platforms_kubernetes'
attr_encrypted :token,
mode: :per_attribute_iv,
key: Gitlab::Application.secrets.db_key_base,
algorithm: 'aes-256-cbc'
end
class Service < ActiveRecord::Base
include EachBatch
self.table_name = 'services'
belongs_to :project, class_name: 'Project'
# 10.1 ~ 10.2
# When users created a cluster, KubernetesService was automatically configured
# by Platforms::Kubernetes parameters.
# Because Platforms::Kubernetes delegated some logic to KubernetesService.
#
# 10.3
# When users create a cluster, KubernetesService is no longer synchronized.
# Because we copied delegated logic in Platforms::Kubernetes.
#
# NOTE:
# - "unmanaged" means "unmanaged by Platforms::Kubernetes(New archetecture)"
# - We only want to migrate records which are not synchronized with Platforms::Kubernetes.
scope :unmanaged_kubernetes_service, -> do
where("services.category = 'deployment'")
.where("services.type = 'KubernetesService'")
.where("services.template = FALSE")
.where("NOT EXISTS (?)",
PlatformsKubernetes
.joins('INNER JOIN projects ON projects.id = services.project_id')
.joins('INNER JOIN cluster_projects ON cluster_projects.project_id = projects.id')
.where('cluster_projects.cluster_id = cluster_platforms_kubernetes.cluster_id')
.where("services.properties LIKE CONCAT('%', cluster_platforms_kubernetes.api_url, '%')")
.select('1') )
.order('services.project_id')
end
end
def up
Service.unmanaged_kubernetes_service
.find_each(batch_size: 1) do |kubernetes_service|
Cluster.create(
enabled: kubernetes_service.active,
user_id: nil, # KubernetesService doesn't have
name: DEFAULT_KUBERNETES_SERVICE_CLUSTER_NAME,
provider_type: Cluster.provider_types[:user],
platform_type: Cluster.platform_types[:kubernetes],
projects: [kubernetes_service.project],
platform_kubernetes_attributes: {
api_url: kubernetes_service.api_url,
ca_cert: kubernetes_service.ca_pem,
namespace: kubernetes_service.namespace,
username: nil, # KubernetesService doesn't have
encrypted_password: nil, # KubernetesService doesn't have
encrypted_password_iv: nil, # KubernetesService doesn't have
token: kubernetes_service.token # encrypted_token and encrypted_token_iv
} )
# Disable the KubernetesService. Platforms::Kubernetes will be used from next time.
kubernetes_service.active = false
kubernetes_service.properties.merge!( { migrated: true } )
kubernetes_service.save!
end
end
def down
# noop
end
end
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