gitlab-org--gitlab-foss/lib/quality/kubernetes_client.rb

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# frozen_string_literal: true
require_relative '../gitlab/popen' unless defined?(Gitlab::Popen)
module Quality
class KubernetesClient
RESOURCE_LIST = 'ingress,svc,pdb,hpa,deploy,statefulset,job,pod,secret,configmap,pvc,secret,clusterrole,clusterrolebinding,role,rolebinding,sa,crd'
CommandFailedError = Class.new(StandardError)
attr_reader :namespace
def initialize(namespace:)
@namespace = namespace
end
def cleanup(release_name:, wait: true)
delete_by_selector(release_name: release_name, wait: wait)
delete_by_matching_name(release_name: release_name)
end
private
def delete_by_selector(release_name:, wait:)
selector = case release_name
when String
%(-l release="#{release_name}")
when Array
%(-l 'release in (#{release_name.join(', ')})')
else
raise ArgumentError, 'release_name must be a string or an array'
end
command = [
'delete',
RESOURCE_LIST,
%(--namespace "#{namespace}"),
'--now',
'--ignore-not-found',
'--include-uninitialized',
%(--wait=#{wait}),
selector
]
run_command(command)
end
def delete_by_matching_name(release_name:)
resource_names = raw_resource_names
command = [
'delete',
%(--namespace "#{namespace}"),
'--ignore-not-found'
]
Array(release_name).each do |release|
resource_names
.select { |resource_name| resource_name.include?(release) }
.each { |matching_resource| run_command(command + [matching_resource]) }
end
end
def raw_resource_names
command = [
'get',
RESOURCE_LIST,
%(--namespace "#{namespace}"),
'-o name'
]
run_command(command).lines.map(&:strip)
end
def run_command(command)
final_command = ['kubectl', *command].join(' ')
puts "Running command: `#{final_command}`" # rubocop:disable Rails/Output
result = Gitlab::Popen.popen_with_detail([final_command])
if result.status.success?
result.stdout.chomp.freeze
else
raise CommandFailedError, "The `#{final_command}` command failed (status: #{result.status}) with the following error:\n#{result.stderr}"
end
end
end
end