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Add ability in backend to upgrade GitLab Runnner application

Closed Thong Kuah requested to merge upgrade-runner-chart into master
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# frozen_string_literal: true
module Clusters
module Applications
class CheckUpgradeProgressService < BaseHelmService
def execute
return unless app.updating?
case phase
when ::Gitlab::Kubernetes::Pod::SUCCEEDED
on_success
when ::Gitlab::Kubernetes::Pod::FAILED
on_failed
else
check_timeout
end
rescue ::Kubeclient::HttpError => e
app.make_update_errored!("Kubernetes error: #{e.message}") unless app.update_errored?
end
private
def on_success
app.make_updated!
ensure
remove_pod
end
def on_failed
app.make_update_errored!(errors || 'Update silently failed')
ensure
remove_pod
end
def check_timeout
if timeouted?
begin
app.make_update_errored!('Update timed out')
ensure
remove_pod
end
else
::ClusterWaitForAppUpdateWorker.perform_in(
::ClusterWaitForAppUpdateWorker::INTERVAL, app.name, app.id)
end
end
def timeouted?
Time.now.utc - app.updated_at.to_time.utc > ::ClusterWaitForAppUpdateWorker::TIMEOUT
end
def remove_pod
helm_api.delete_pod!(upgrade_command.pod_name)
rescue
# no-op
end
def phase
helm_api.status(upgrade_command.pod_name)
end
def errors
helm_api.log(upgrade_command.pod_name)
end
end
end
end
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