Source Code for Module buildbot.schedulers.manager

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 2  # redistribute it and/or modify it under the terms of the GNU General Public 
 3  # License as published by the Free Software Foundation, version 2. 
 4  # 
 5  # This program is distributed in the hope that it will be useful, but WITHOUT 
 6  # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 
 7  # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more 
 8  # details. 
 9  # 
10  # You should have received a copy of the GNU General Public License along with 
11  # this program; if not, write to the Free Software Foundation, Inc., 51 
12  # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 
13  # 
14  # Copyright Buildbot Team Members 
15   
16  from twisted.internet import defer 
17  from twisted.python import log 
18  from buildbot.util import loop 
19  from buildbot.util import collections 
20  from buildbot.util.eventual import eventually 
21   
22 -class SchedulerManager(loop.MultiServiceLoop): 
23 -    def __init__(self, master, db, change_svc): 
24          loop.MultiServiceLoop.__init__(self) 
25          self.master = master 
26          self.db = db 
27          self.change_svc = change_svc 
28          self.upstream_subscribers = collections.defaultdict(list) 
29   
30 -    def updateSchedulers(self, newschedulers): 
31          """Add and start any Scheduler that isn't already a child of ours. 
32          Stop and remove any that are no longer in the list. Make sure each 
33          one has a schedulerid in the database.""" 
34          # TODO: this won't tolerate reentrance very well 
35          new_names = set() 
36          added = set() 
37          removed = set() 
38          for s in newschedulers: 
39              new_names.add(s.name) 
40              try: 
41                  old = self.getServiceNamed(s.name) 
42              except KeyError: 
43                  old = None 
44              if old: 
45                  if old.compareToOther(s): 
46                      removed.add(old) 
47                      added.add(s) 
48                  else: 
49                      pass # unchanged 
50              else: 
51                  added.add(s) 
52          for old in list(self): 
53              if old.name not in new_names: 
54                  removed.add(old) 
55          #if removed or added: 
56          #    # notify Downstream schedulers to potentially pick up 
57          #    # new schedulers now that we have removed and added some 
58          #    def updateDownstreams(res): 
59          #        log.msg("notifying downstream schedulers of changes") 
60          #        for s in newschedulers: 
61          #            if interfaces.IDownstreamScheduler.providedBy(s): 
62          #                s.checkUpstreamScheduler() 
63          #    d.addCallback(updateDownstreams) 
64          log.msg("removing %d old schedulers, adding %d new ones" 
65                  % (len(removed), len(added))) 
66          dl = [defer.maybeDeferred(s.disownServiceParent) for s in removed] 
67          d = defer.gatherResults(dl) 
68          d.addCallback(lambda ign: self.db.addSchedulers(added)) 
69          def _attach(ign): 
70              for s in added: 
71                  s.setServiceParent(self) 
72              self.upstream_subscribers = collections.defaultdict(list) 
73              for s in list(self): 
74                  if s.upstream_name: 
75                      self.upstream_subscribers[s.upstream_name].append(s) 
76              eventually(self.trigger) 
77          d.addCallback(_attach) 
78          d.addErrback(log.err) 
79          return d 
80   
81 -    def publish_buildset(self, upstream_name, bsid, t): 
82          if upstream_name in self.upstream_subscribers: 
83              for s in self.upstream_subscribers[upstream_name]: 
84                  s.buildSetSubmitted(bsid, t) 
85   
86 -    def trigger_add_change(self, category, changenumber): 
87          self.trigger() 
88 -    def trigger_modify_buildset(self, category, *bsids): 
89          # TODO: this could just run the schedulers that have subscribed to 
90          # scheduler_upstream_buildsets, or even just the ones that subscribed 
91          # to hear about the specific buildsetid 
92          self.trigger() 
93