1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
# This file is part of Buildbot. Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
from zope.interface import implements
from twisted.python import failure
from twisted.internet import defer
from buildbot.interfaces import ITriggerableScheduler
from buildbot.schedulers import base
from buildbot.process.properties import Properties
class Triggerable(base.BaseScheduler):
implements(ITriggerableScheduler)
compare_attrs = base.BaseScheduler.compare_attrs
def __init__(self, name, builderNames, properties={}, **kwargs):
base.BaseScheduler.__init__(self, name, builderNames, properties,
**kwargs)
self._waiters = {}
self._bsc_subscription = None
self.reason = "Triggerable(%s)" % name
def trigger(self, sourcestamps = None, set_props=None):
"""Trigger this scheduler with the optional given list of sourcestamps
Returns a deferred that will fire when the buildset is finished."""
# properties for this buildset are composed of our own properties,
# potentially overridden by anything from the triggering build
props = Properties()
props.updateFromProperties(self.properties)
if set_props:
props.updateFromProperties(set_props)
# note that this does not use the buildset subscriptions mechanism, as
# the duration of interest to the caller is bounded by the lifetime of
# this process.
d = self.addBuildsetForSourceStampSetDetails(self.reason,
sourcestamps, props)
def setup_waiter((bsid,brids)):
d = defer.Deferred()
self._waiters[bsid] = (d, brids)
self._updateWaiters()
return d
d.addCallback(setup_waiter)
return d
def stopService(self):
# cancel any outstanding subscription
if self._bsc_subscription:
self._bsc_subscription.unsubscribe()
self._bsc_subscription = None
# and errback any outstanding deferreds
if self._waiters:
msg = 'Triggerable scheduler stopped before build was complete'
for d, brids in self._waiters.values():
d.errback(failure.Failure(RuntimeError(msg)))
self._waiters = {}
return base.BaseScheduler.stopService(self)
def _updateWaiters(self):
if self._waiters and not self._bsc_subscription:
self._bsc_subscription = \
self.master.subscribeToBuildsetCompletions(
self._buildsetComplete)
elif not self._waiters and self._bsc_subscription:
self._bsc_subscription.unsubscribe()
self._bsc_subscription = None
def _buildsetComplete(self, bsid, result):
if bsid not in self._waiters:
return
# pop this bsid from the waiters list, and potentially unsubscribe
# from completion notifications
d, brids = self._waiters.pop(bsid)
self._updateWaiters()
# fire the callback to indicate that the triggered build is complete
d.callback((result, brids))
|