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path: root/app/models/clusters/applications/knative.rb
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# frozen_string_literal: true

module Clusters
  module Applications
    class Knative < ActiveRecord::Base
      VERSION = '0.1.3'.freeze
      REPOSITORY = 'https://storage.googleapis.com/triggermesh-charts'.freeze

      FETCH_IP_ADDRESS_DELAY = 30.seconds

      self.table_name = 'clusters_applications_knative'

      include ::Clusters::Concerns::ApplicationCore
      include ::Clusters::Concerns::ApplicationStatus
      include ::Clusters::Concerns::ApplicationVersion
      include ::Clusters::Concerns::ApplicationData
      include AfterCommitQueue

      state_machine :status do
        before_transition any => [:installed] do |application|
          application.run_after_commit do
            ClusterWaitForIngressIpAddressWorker.perform_in(
              FETCH_IP_ADDRESS_DELAY, application.name, application.id)
          end
        end
      end

      default_value_for :version, VERSION

      validates :hostname, presence: true, hostname: true

      def chart
        'knative/knative'
      end

      def values
        { "domain" => hostname }.to_yaml
      end

      def install_command
        Gitlab::Kubernetes::Helm::InstallCommand.new(
          name: name,
          version: VERSION,
          rbac: cluster.platform_kubernetes_rbac?,
          chart: chart,
          files: files,
          repository: REPOSITORY
        )
      end

      def schedule_status_update
        return unless installed?
        return if external_ip

        ClusterWaitForIngressIpAddressWorker.perform_async(name, id)
      end

      def ingress_service
        cluster.kubeclient.get_service('knative-ingressgateway', 'istio-system')
      end

      def client
        cluster.platform_kubernetes.kubeclient.knative_client
      end
    end
  end
end