660c04368b
Signed-off-by: Ondrej Nosek <onosek@redhat.com> Related: https://pagure.io/pungi/issue/778
73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
from kobo import shortcuts
|
|
from kobo.threads import ThreadPool, WorkerThread
|
|
|
|
|
|
class WeaverPhase(object):
|
|
"""
|
|
Special "phase" that manages other phases' run.
|
|
It needs input-running schema where particular phases are composed
|
|
sequentially and in parallel as well. A Sequential set of phases
|
|
is named "pipeline".
|
|
If any of the phases fail, we must ensure that others will stop correctly.
|
|
Otherwise the whole process will hang.
|
|
|
|
:param compose: it is needed for logging
|
|
:param phases_schema: two-dimensional array of phases. Top dimension
|
|
denotes particular pipelines. Second dimension contains phases.
|
|
"""
|
|
name = "weaver"
|
|
|
|
def __init__(self, compose, phases_schema):
|
|
self.msg = "---------- PHASE: %s ----------" % self.name.upper()
|
|
self.compose = compose
|
|
self.finished = False
|
|
self.pool = ThreadPool(logger=self.compose._logger)
|
|
if not phases_schema:
|
|
msg = "No running schema was set for WeaverPhase"
|
|
self.pool.log_error(msg)
|
|
raise ValueError(msg)
|
|
self._phases_schema = phases_schema
|
|
|
|
def start(self):
|
|
if self.finished:
|
|
msg = "Phase '%s' has already finished and can not be started twice" % self.name
|
|
self.pool.log_error(msg)
|
|
raise RuntimeError(msg)
|
|
|
|
self.compose.log_info("[BEGIN] %s" % self.msg)
|
|
self.run()
|
|
|
|
def run(self):
|
|
for pipeline in shortcuts.force_list(self._phases_schema):
|
|
self.pool.add(PipelineThread(self.pool))
|
|
self.pool.queue_put(shortcuts.force_list(pipeline))
|
|
|
|
self.pool.start()
|
|
|
|
def stop(self):
|
|
if self.finished:
|
|
return
|
|
if hasattr(self, "pool"):
|
|
self.pool.stop()
|
|
self.finished = True
|
|
self.compose.log_info("[DONE ] %s" % self.msg)
|
|
|
|
|
|
class PipelineThread(WorkerThread):
|
|
"""
|
|
Launches phases in pipeline sequentially
|
|
"""
|
|
def process(self, item, num):
|
|
pipeline = shortcuts.force_list(item)
|
|
phases_names = ", ".join(phase.name for phase in pipeline)
|
|
msg = "Running pipeline (%d/%d). Phases: %s" % (num, self.pool.queue_total, phases_names)
|
|
self.pool.log_info("[BEGIN] %s" % (msg,))
|
|
|
|
for phase in pipeline:
|
|
phase.start()
|
|
phase.stop()
|
|
|
|
self.pool.log_info("[DONE ] %s" % (msg,))
|