debian-mirror-gitlab/app/models/clusters/applications/knative.rb

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# frozen_string_literal: true
module Clusters
module Applications
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class Knative < ApplicationRecord
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VERSION = '0.9.0'
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REPOSITORY = 'https://storage.googleapis.com/triggermesh-charts'
METRICS_CONFIG = 'https://storage.googleapis.com/triggermesh-charts/istio-metrics.yaml'
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FETCH_IP_ADDRESS_DELAY = 30.seconds
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API_GROUPS_PATH = 'config/knative/api_groups.yml'
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self.table_name = 'clusters_applications_knative'
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has_one :serverless_domain_cluster, class_name: '::Serverless::DomainCluster', foreign_key: 'clusters_applications_knative_id', inverse_of: :knative
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include ::Clusters::Concerns::ApplicationCore
include ::Clusters::Concerns::ApplicationStatus
include ::Clusters::Concerns::ApplicationVersion
include ::Clusters::Concerns::ApplicationData
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include AfterCommitQueue
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alias_method :original_set_initial_status, :set_initial_status
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def set_initial_status
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return unless cluster&.platform_kubernetes_rbac?
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original_set_initial_status
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end
state_machine :status do
after_transition any => [:installed] do |application|
application.run_after_commit do
ClusterWaitForIngressIpAddressWorker.perform_in(
FETCH_IP_ADDRESS_DELAY, application.name, application.id)
end
end
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after_transition any => [:installed, :updated] do |application|
application.run_after_commit do
ClusterConfigureIstioWorker.perform_async(application.cluster_id)
end
end
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end
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default_value_for :version, VERSION
validates :hostname, presence: true, hostname: true
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scope :for_cluster, -> (cluster) { where(cluster: cluster) }
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has_one :pages_domain, through: :serverless_domain_cluster
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def chart
'knative/knative'
end
def values
{ "domain" => hostname }.to_yaml
end
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def available_domains
PagesDomain.instance_serverless
end
def find_available_domain(pages_domain_id)
available_domains.find_by(id: pages_domain_id)
end
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def allowed_to_uninstall?
!pre_installed?
end
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def install_command
Gitlab::Kubernetes::Helm::InstallCommand.new(
name: name,
version: VERSION,
rbac: cluster.platform_kubernetes_rbac?,
chart: chart,
files: files,
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repository: REPOSITORY,
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postinstall: install_knative_metrics
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)
end
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def schedule_status_update
return unless installed?
return if external_ip
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return if external_hostname
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ClusterWaitForIngressIpAddressWorker.perform_async(name, id)
end
def ingress_service
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cluster.kubeclient.get_service('istio-ingressgateway', Clusters::Kubernetes::ISTIO_SYSTEM_NAMESPACE)
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end
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def uninstall_command
Gitlab::Kubernetes::Helm::DeleteCommand.new(
name: name,
rbac: cluster.platform_kubernetes_rbac?,
files: files,
predelete: delete_knative_services_and_metrics,
postdelete: delete_knative_istio_leftovers
)
end
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private
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def delete_knative_services_and_metrics
delete_knative_services + delete_knative_istio_metrics
end
def delete_knative_services
cluster.kubernetes_namespaces.map do |kubernetes_namespace|
Gitlab::Kubernetes::KubectlCmd.delete("ksvc", "--all", "-n", kubernetes_namespace.namespace)
end
end
def delete_knative_istio_leftovers
delete_knative_namespaces + delete_knative_and_istio_crds
end
def delete_knative_namespaces
[
Gitlab::Kubernetes::KubectlCmd.delete("--ignore-not-found", "ns", "knative-serving"),
Gitlab::Kubernetes::KubectlCmd.delete("--ignore-not-found", "ns", "knative-build")
]
end
def delete_knative_and_istio_crds
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api_groups.map do |group|
Gitlab::Kubernetes::KubectlCmd.delete_crds_from_group(group)
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end
end
# returns an array of CRDs to be postdelete since helm does not
# manage the CRDs it creates.
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def api_groups
@api_groups ||= YAML.safe_load(File.read(Rails.root.join(API_GROUPS_PATH)))
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end
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def install_knative_metrics
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return [] unless cluster.application_prometheus_available?
[Gitlab::Kubernetes::KubectlCmd.apply_file(METRICS_CONFIG)]
end
def delete_knative_istio_metrics
return [] unless cluster.application_prometheus_available?
[Gitlab::Kubernetes::KubectlCmd.delete("--ignore-not-found", "-f", METRICS_CONFIG)]
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end
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end
end
end