110 lines
3.2 KiB
Ruby
110 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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module Clusters
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module Applications
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class ElasticStack < ApplicationRecord
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VERSION = '1.8.0'
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ELASTICSEARCH_PORT = 9200
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self.table_name = 'clusters_applications_elastic_stacks'
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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 ::Gitlab::Utils::StrongMemoize
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default_value_for :version, VERSION
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def set_initial_status
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return unless not_installable?
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return unless cluster&.application_ingress_available?
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ingress = cluster.application_ingress
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self.status = status_states[:installable] if ingress.external_ip_or_hostname?
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end
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def chart
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'stable/elastic-stack'
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end
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def values
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content_values.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: 'elastic-stack',
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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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)
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end
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def uninstall_command
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Gitlab::Kubernetes::Helm::DeleteCommand.new(
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name: 'elastic-stack',
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rbac: cluster.platform_kubernetes_rbac?,
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files: files,
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postdelete: post_delete_script
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)
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end
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def elasticsearch_client
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strong_memoize(:elasticsearch_client) do
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next unless kube_client
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proxy_url = kube_client.proxy_url('service', 'elastic-stack-elasticsearch-client', ::Clusters::Applications::ElasticStack::ELASTICSEARCH_PORT, Gitlab::Kubernetes::Helm::NAMESPACE)
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Elasticsearch::Client.new(url: proxy_url) do |faraday|
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# ensures headers containing auth data are appended to original client options
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faraday.headers.merge!(kube_client.headers)
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# ensure TLS certs are properly verified
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faraday.ssl[:verify] = kube_client.ssl_options[:verify_ssl]
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faraday.ssl[:cert_store] = kube_client.ssl_options[:cert_store]
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end
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rescue Kubeclient::HttpError => error
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# If users have mistakenly set parameters or removed the depended clusters,
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# `proxy_url` could raise an exception because gitlab can not communicate with the cluster.
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# We check for a nil client in downstream use and behaviour is equivalent to an empty state
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log_exception(error, :failed_to_create_elasticsearch_client)
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nil
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end
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end
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private
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def specification
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{
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"kibana" => {
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"ingress" => {
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"hosts" => [kibana_hostname],
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"tls" => [{
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"hosts" => [kibana_hostname],
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"secretName" => "kibana-cert"
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}]
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}
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}
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}
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end
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def content_values
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YAML.load_file(chart_values_file).deep_merge!(specification)
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end
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def post_delete_script
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[
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Gitlab::Kubernetes::KubectlCmd.delete("pvc", "--selector", "release=elastic-stack")
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].compact
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end
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def kube_client
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cluster&.kubeclient&.core_client
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end
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end
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end
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end
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