debian-mirror-gitlab/app/models/clusters/applications/helm.rb
2021-01-30 21:13:34 +05:30

108 lines
3.1 KiB
Ruby

# frozen_string_literal: true
require 'openssl'
module Clusters
module Applications
# DEPRECATED: This model represents the Helm 2 Tiller server, and is no longer being actively used.
# It is being kept around for a potential cleanup of the unused Tiller server.
class Helm < ApplicationRecord
self.table_name = 'clusters_applications_helm'
attr_encrypted :ca_key,
mode: :per_attribute_iv,
key: Settings.attr_encrypted_db_key_base_truncated,
algorithm: 'aes-256-cbc'
include ::Clusters::Concerns::ApplicationCore
include ::Clusters::Concerns::ApplicationStatus
include ::Gitlab::Utils::StrongMemoize
default_value_for :version, Gitlab::Kubernetes::Helm::HELM_VERSION
before_create :create_keys_and_certs
def issue_client_cert
ca_cert_obj.issue
end
def set_initial_status
return unless not_installable?
self.status = status_states[:installable] if cluster&.platform_kubernetes_active?
end
# It can only be uninstalled if there are no other applications installed
# or with intermitent installation statuses in the database.
def allowed_to_uninstall?
strong_memoize(:allowed_to_uninstall) do
applications = nil
Clusters::Cluster::APPLICATIONS.each do |application_name, klass|
next if application_name == 'helm'
extra_apps = Clusters::Applications::Helm.where('EXISTS (?)', klass.select(1).where(cluster_id: cluster_id))
applications = applications ? applications.or(extra_apps) : extra_apps
end
!applications.exists?
end
end
def install_command
Gitlab::Kubernetes::Helm::V2::InitCommand.new(
name: name,
files: files,
rbac: cluster.platform_kubernetes_rbac?
)
end
def uninstall_command
Gitlab::Kubernetes::Helm::V2::ResetCommand.new(
name: name,
files: files,
rbac: cluster.platform_kubernetes_rbac?
)
end
def has_ssl?
ca_key.present? && ca_cert.present?
end
def post_uninstall
cluster.kubeclient.delete_namespace(Gitlab::Kubernetes::Helm::NAMESPACE)
rescue Kubeclient::ResourceNotFoundError
# we actually don't care if the namespace is not present
# since we want to delete it anyway.
end
private
def files
{
'ca.pem': ca_cert,
'cert.pem': tiller_cert.cert_string,
'key.pem': tiller_cert.key_string
}
end
def create_keys_and_certs
ca_cert = Gitlab::Kubernetes::Helm::V2::Certificate.generate_root
self.ca_key = ca_cert.key_string
self.ca_cert = ca_cert.cert_string
end
def tiller_cert
@tiller_cert ||= ca_cert_obj.issue(expires_in: Gitlab::Kubernetes::Helm::V2::Certificate::INFINITE_EXPIRY)
end
def ca_cert_obj
return unless has_ssl?
Gitlab::Kubernetes::Helm::V2::Certificate
.from_strings(ca_key, ca_cert)
end
end
end
end