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# Projects::HousekeepingService class
#
# Used for git housekeeping
#
# Ex.
# Projects::HousekeepingService.new(project).execute
#
module Projects
class HousekeepingService < BaseService
LEASE_TIMEOUT = 3600
class LeaseTaken < StandardError
def to_s
"Somebody already triggered housekeeping for this project in the past #{LEASE_TIMEOUT / 60} minutes"
end
end
def initialize(project)
@project = project
end
def execute
raise LeaseTaken unless try_obtain_lease
execute_gitlab_shell_gc
end
def needed?
@project.pushes_since_gc >= 10
end
def increment!
if Gitlab::ExclusiveLease.new("project_housekeeping:increment!:#{@project.id}", timeout: 60).try_obtain
Gitlab::Metrics.measure(:increment_pushes_since_gc) do
update_pushes_since_gc(@project.pushes_since_gc + 1)
end
end
end
private
def execute_gitlab_shell_gc
GitGarbageCollectWorker.perform_async(@project.id)
ensure
Gitlab::Metrics.measure(:reset_pushes_since_gc) do
update_pushes_since_gc(0)
end
end
def update_pushes_since_gc(new_value)
@project.update_column(:pushes_since_gc, new_value)
end
def try_obtain_lease
Gitlab::Metrics.measure(:obtain_housekeeping_lease) do
lease = ::Gitlab::ExclusiveLease.new("project_housekeeping:#{@project.id}", timeout: LEASE_TIMEOUT)
lease.try_obtain
end
end
end
end
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