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# frozen_string_literal: true
module Clusters
module Applications
class ElasticStack < ApplicationRecord
include ::Clusters::Concerns::ElasticsearchClient
VERSION = '3.0.0'
self.table_name = 'clusters_applications_elastic_stacks'
include ::Clusters::Concerns::ApplicationCore
include ::Clusters::Concerns::ApplicationStatus
include ::Clusters::Concerns::ApplicationVersion
include ::Clusters::Concerns::ApplicationData
default_value_for :version, VERSION
after_destroy do
cluster&.find_or_build_integration_elastic_stack&.update(enabled: false, chart_version: nil)
end
state_machine :status do
after_transition any => [:installed] do |application|
application.cluster&.find_or_build_integration_elastic_stack&.update(enabled: true, chart_version: application.version)
end
after_transition any => [:uninstalled] do |application|
application.cluster&.find_or_build_integration_elastic_stack&.update(enabled: false, chart_version: nil)
end
end
def chart
'elastic-stack/elastic-stack'
end
def repository
'https://charts.gitlab.io'
end
def install_command
helm_command_module::InstallCommand.new(
name: 'elastic-stack',
version: VERSION,
rbac: cluster.platform_kubernetes_rbac?,
chart: chart,
repository: repository,
files: files,
preinstall: migrate_to_3_script,
postinstall: post_install_script
)
end
def uninstall_command
helm_command_module::DeleteCommand.new(
name: 'elastic-stack',
rbac: cluster.platform_kubernetes_rbac?,
files: files,
postdelete: post_delete_script
)
end
def files
super.merge('wait-for-elasticsearch.sh': File.read("#{Rails.root}/vendor/elastic_stack/wait-for-elasticsearch.sh"))
end
def chart_above_v2?
Gem::Version.new(version) >= Gem::Version.new('2.0.0')
end
def chart_above_v3?
Gem::Version.new(version) >= Gem::Version.new('3.0.0')
end
private
def service_name
chart_above_v3? ? 'elastic-stack-elasticsearch-master' : 'elastic-stack-elasticsearch-client'
end
def pvc_selector
chart_above_v3? ? "app=elastic-stack-elasticsearch-master" : "release=elastic-stack"
end
def post_install_script
[
"timeout 60 sh /data/helm/elastic-stack/config/wait-for-elasticsearch.sh http://elastic-stack-elasticsearch-master:9200"
]
end
def post_delete_script
[
Gitlab::Kubernetes::KubectlCmd.delete("pvc", "--selector", pvc_selector, "--namespace", Gitlab::Kubernetes::Helm::NAMESPACE)
]
end
def migrate_to_3_script
return [] if !updating? || chart_above_v3?
# Chart version 3.0.0 moves to our own chart at https://gitlab.com/gitlab-org/charts/elastic-stack
# and is not compatible with pre-existing resources. We first remove them.
[
helm_command_module::DeleteCommand.new(
name: 'elastic-stack',
rbac: cluster.platform_kubernetes_rbac?,
files: files
).delete_command,
Gitlab::Kubernetes::KubectlCmd.delete("pvc", "--selector", "release=elastic-stack", "--namespace", Gitlab::Kubernetes::Helm::NAMESPACE)
]
end
end
end
end
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