app/models/clusters/applications/cert_manager.rb


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# frozen_string_literal: true

module Clusters
  module Applications
    class CertManager < ActiveRecord::Base
      VERSION = 'v0.5.0'.freeze

      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

      def chart
        'stable/cert-manager'
      end

      def install_command
        Gitlab::Kubernetes::Helm::InstallCommand.new(
          name: 'certmanager',
          version: VERSION,
          rbac: cluster.platform_kubernetes_rbac?,
          chart: chart,
          files: files.merge(cluster_issuer_file),
          postinstall: post_install_script
        )
      end

      private

      def post_install_script
        ["/usr/bin/kubectl create -f /data/helm/certmanager/config/cluster_issuer.yaml"]
      end

      def cluster_issuer_file
        {
          'cluster_issuer.yaml': cluster_issuer_yaml_content
        }
      end

      def cluster_issuer_yaml_content
        data = YAML.load_file(cluster_issuer_file_path)
        data["spec"]["acme"]["email"] = self.email
        YAML.dump(data)
      end

      def cluster_issuer_file_path
        "#{Rails.root}/vendor/cert_manager/cluster_issuer.yaml"
      end
    end
  end
end