7 from TestSsh import TestSsh
10 # (*) plc trackers remembers the running myplcs
11 # (*) qemu trackers keeps track of the running qemu nodes
13 # trackers allow us to let the test run after the build has finished,
14 # and to kill/stop the oldest instances later when we need space
17 #################### Tracker
20 def __init__ (self, options,filename, instances):
22 self.filename=filename
23 self.instances=instances
25 tracks=file(self.filename).readlines()
26 tracks = [ track.strip() for track in tracks ]
29 self.tracks = [track for track in tracks if track]
33 contents=file(self.filename).read()
34 print "==>",self.filename,"<=="
37 print "xxxxxxxxxxxx",self.filename,"not found"
40 out = file(self.filename,'w')
41 for track in self.tracks:
42 out.write('%s\n'%(track))
45 def record (self,track):
46 for already in self.tracks:
48 print '%s is already included in %s'%(already,self.filename)
50 if self.options.dry_run:
51 print 'dry_run: Tracker.record - skipping %s'%(track)
53 self.tracks.append( track )
54 print "Recorded %s in tracker %s"%(track,self.filename)
56 # this actually stops the old instances, so that the total fits in the number of instances
58 # number of instances to stop
59 how_many=len(self.tracks)-self.instances
60 # nothing todo until we have more than keep_vservers in the tracker
62 print 'Tracker.free : limit %d not reached'%self.instances
64 to_stop = self.tracks[:how_many]
66 command = self.stop_command (track)
67 utils.header("Trackers.free track : %s"%command)
69 if not self.options.dry_run:
70 self.tracks = self.tracks[how_many:]
72 # this stops ALL known instances
74 for track in self.tracks:
75 command=self.stop_command(track)
76 utils.header("Trackers.cleanup track : %s"%command)
78 if not self.options.dry_run:
81 class TrackerPlc (Tracker):
83 DEFAULT_FILENAME=os.environ['HOME']+"/tracker-plcs"
84 # how many concurrent plcs are we keeping alive - adjust with the IP pool size
85 DEFAULT_MAX_INSTANCES = 12
87 def __init__ (self,options,filename=None,instances=0):
88 if not filename: filename=TrackerPlc.DEFAULT_FILENAME
89 if not instances: instances=TrackerPlc.DEFAULT_MAX_INSTANCES
90 Tracker.__init__(self,options,filename,instances)
92 def record (self, hostname, vservername):
93 Tracker.record (self,"%s@%s"%(hostname,vservername))
95 def stop_command (self, track):
96 (hostname,vservername) = track.split('@')
97 return TestSsh(hostname).actual_command("vserver --silent %s stop"%vservername)
100 return [ self.plcname(track) for track in self.tracks ]
102 def plcname (self, track):
103 (hostname,vservername) = track.split('@')
104 return vservername.rsplit('-',1)[1]
106 class TrackerQemu (Tracker):
108 DEFAULT_FILENAME=os.environ['HOME']+"/tracker-qemus"
109 # how many concurrent plcs are we keeping alive - adjust with the IP pool size
110 DEFAULT_MAX_INSTANCES = 3
112 def __init__ (self,options,filename=None,instances=0):
113 if not filename: filename=TrackerQemu.DEFAULT_FILENAME
114 if not instances: instances=TrackerQemu.DEFAULT_MAX_INSTANCES
115 Tracker.__init__(self,options,filename,instances)
117 def record (self, hostname, buildname, nodename):
118 Tracker.record (self,"%s@%s@%s"%(hostname,buildname,nodename))
120 def stop_command (self, track):
121 (hostname,buildname,nodename) = track.split('@')
122 return TestSsh(hostname).actual_command("%s/qemu-%s/qemu-kill-node this"%(buildname,nodename))
124 def hostnames (self):
125 return [ self.hostname(track) for track in self.tracks ]
127 def hostname (self, track):
128 (hostname,buildname,nodename) = track.split('@')
131 def nodenames (self):
132 return [ self.nodename(track) for track in self.tracks ]
134 def nodename (self, track):
135 (hostname,buildname,nodename) = track.split('@')