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|
# frozen_string_literal: true
module Clusters
module Applications
class CertManager < ApplicationRecord
VERSION = 'v0.9.1'
CRD_VERSION = '0.9'
self.table_name = 'clusters_applications_cert_managers'
include ::Clusters::Concerns::ApplicationCore
include ::Clusters::Concerns::ApplicationStatus
include ::Clusters::Concerns::ApplicationVersion
include ::Clusters::Concerns::ApplicationData
default_value_for :version, VERSION
default_value_for :email do |cert_manager|
cert_manager.cluster&.user&.email
end
validates :email, presence: true
def chart
'certmanager/cert-manager'
end
def repository
'https://charts.jetstack.io'
end
def install_command
Gitlab::Kubernetes::Helm::InstallCommand.new(
name: 'certmanager',
repository: repository,
version: VERSION,
rbac: cluster.platform_kubernetes_rbac?,
chart: chart,
files: files.merge(cluster_issuer_file),
preinstall: pre_install_script,
postinstall: post_install_script
)
end
def uninstall_command
Gitlab::Kubernetes::Helm::DeleteCommand.new(
name: 'certmanager',
rbac: cluster.platform_kubernetes_rbac?,
files: files,
postdelete: post_delete_script
)
end
private
def pre_install_script
[
apply_file("https://raw.githubusercontent.com/jetstack/cert-manager/release-#{CRD_VERSION}/deploy/manifests/00-crds.yaml"),
"kubectl label --overwrite namespace #{Gitlab::Kubernetes::Helm::NAMESPACE} certmanager.k8s.io/disable-validation=true"
]
end
def post_install_script
[retry_command(apply_file('/data/helm/certmanager/config/cluster_issuer.yaml'))]
end
def retry_command(command)
"for i in $(seq 1 30); do #{command} && break; sleep 1s; echo \"Retrying ($i)...\"; done"
end
def post_delete_script
[
delete_private_key,
delete_crd('certificates.certmanager.k8s.io'),
delete_crd('certificaterequests.certmanager.k8s.io'),
delete_crd('challenges.certmanager.k8s.io'),
delete_crd('clusterissuers.certmanager.k8s.io'),
delete_crd('issuers.certmanager.k8s.io'),
delete_crd('orders.certmanager.k8s.io')
].compact
end
def private_key_name
@private_key_name ||= cluster_issuer_content.dig('spec', 'acme', 'privateKeySecretRef', 'name')
end
def delete_private_key
return unless private_key_name.present?
args = %W(secret -n #{Gitlab::Kubernetes::Helm::NAMESPACE} #{private_key_name} --ignore-not-found)
Gitlab::Kubernetes::KubectlCmd.delete(*args)
end
def delete_crd(definition)
Gitlab::Kubernetes::KubectlCmd.delete("crd", definition, "--ignore-not-found")
end
def apply_file(filename)
Gitlab::Kubernetes::KubectlCmd.apply_file(filename)
end
def cluster_issuer_file
{
'cluster_issuer.yaml': cluster_issuer_yaml_content
}
end
def cluster_issuer_yaml_content
YAML.dump(cluster_issuer_content.deep_merge(cluster_issue_overlay))
end
def cluster_issuer_content
YAML.safe_load(File.read(cluster_issuer_file_path))
end
def cluster_issue_overlay
{ "spec" => { "acme" => { "email" => self.email } } }
end
def cluster_issuer_file_path
Rails.root.join('vendor', 'cert_manager', 'cluster_issuer.yaml')
end
end
end
end
|
