132 lines
3.5 KiB
Ruby
132 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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module Clusters
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module Applications
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class Knative < ApplicationRecord
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VERSION = '0.5.0'.freeze
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REPOSITORY = 'https://storage.googleapis.com/triggermesh-charts'.freeze
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METRICS_CONFIG = 'https://storage.googleapis.com/triggermesh-charts/istio-metrics.yaml'.freeze
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FETCH_IP_ADDRESS_DELAY = 30.seconds
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self.table_name = 'clusters_applications_knative'
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include ::Clusters::Concerns::ApplicationCore
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include ::Clusters::Concerns::ApplicationStatus
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include ::Clusters::Concerns::ApplicationVersion
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include ::Clusters::Concerns::ApplicationData
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include AfterCommitQueue
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include ReactiveCaching
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self.reactive_cache_key = ->(knative) { [knative.class.model_name.singular, knative.id] }
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def set_initial_status
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return unless not_installable?
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return unless verify_cluster?
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self.status = 'installable'
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end
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state_machine :status do
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after_transition any => [:installed] do |application|
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application.run_after_commit do
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ClusterWaitForIngressIpAddressWorker.perform_in(
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FETCH_IP_ADDRESS_DELAY, application.name, application.id)
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end
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end
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end
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default_value_for :version, VERSION
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validates :hostname, presence: true, hostname: true
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scope :for_cluster, -> (cluster) { where(cluster: cluster) }
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after_save :clear_reactive_cache!
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def chart
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'knative/knative'
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end
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def values
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{ "domain" => hostname }.to_yaml
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end
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def install_command
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Gitlab::Kubernetes::Helm::InstallCommand.new(
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name: name,
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version: VERSION,
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rbac: cluster.platform_kubernetes_rbac?,
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chart: chart,
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files: files,
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repository: REPOSITORY,
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postinstall: install_knative_metrics
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)
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end
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def schedule_status_update
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return unless installed?
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return if external_ip
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return if external_hostname
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ClusterWaitForIngressIpAddressWorker.perform_async(name, id)
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end
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def client
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cluster.kubeclient.knative_client
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end
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def services
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with_reactive_cache do |data|
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data[:services]
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end
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end
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def calculate_reactive_cache
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{ services: read_services, pods: read_pods }
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end
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def ingress_service
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cluster.kubeclient.get_service('istio-ingressgateway', 'istio-system')
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end
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def services_for(ns: namespace)
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return [] unless services
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return [] unless ns
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services.select do |service|
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service.dig('metadata', 'namespace') == ns
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end
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end
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def service_pod_details(ns, service)
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with_reactive_cache do |data|
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data[:pods].select { |pod| filter_pods(pod, ns, service) }
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end
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end
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private
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def read_pods
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cluster.kubeclient.core_client.get_pods.as_json
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end
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def filter_pods(pod, namespace, service)
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pod["metadata"]["namespace"] == namespace && pod["metadata"]["labels"]["serving.knative.dev/service"] == service
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end
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def read_services
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client.get_services.as_json
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rescue Kubeclient::ResourceNotFoundError
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[]
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end
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def install_knative_metrics
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["kubectl apply -f #{METRICS_CONFIG}"] if cluster.application_prometheus_available?
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end
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def verify_cluster?
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cluster&.application_helm_available? && cluster&.platform_kubernetes_rbac?
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end
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end
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end
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end
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