def testExecuteTasksOnNeighbors(self):
"""test execute tasks on directly connected machines"""
tmpfile = tempfile.NamedTemporaryFile()
myhost = my_node()
cfgparser = load_cfg('topology1.conf')
neighbor = cfgparser.get('CONFIG', 'NEIGHBOR')
gateways = cfgparser.get('CONFIG', 'GATEWAYS')
targets = cfgparser.get('CONFIG', 'TARGETS')
tmpfile.write('[Main]\n')
tmpfile.write('%s: %s\n' % (myhost, neighbor))
tmpfile.write('%s: %s\n' % (neighbor, gateways))
tmpfile.write('%s: %s\n' % (gateways, targets))
tmpfile.flush()
parser = TopologyParser()
parser.load(tmpfile.name)
tree = parser.tree(myhost)
wtree = WorkerTree(NodeSet(targets), None, 0, command='echo ok',
topology=tree, newroot=myhost)
# XXX Need to propagate topology for this to work in tests
raise RuntimeError
task = task_self()
task.set_info('debug', True)
task.schedule(wtree)
task.resume()
for buf, nodes in task.iter_buffers():
print '-' * 15
print str(nodes)
print '-' * 15
print buf
print ''
def testExecuteTasksOnNeighbors(self):
"""test execute tasks on directly connected machines"""
tmpfile = tempfile.NamedTemporaryFile()
myhost = my_node()
cfgparser = load_cfg('topology1.conf')
neighbor = cfgparser.get('CONFIG', 'NEIGHBOR')
gateways = cfgparser.get('CONFIG', 'GATEWAYS')
targets = cfgparser.get('CONFIG', 'TARGETS')
tmpfile.write('[Main]\n')
tmpfile.write('%s: %s\n' % (myhost, neighbor))
tmpfile.write('%s: %s\n' % (neighbor, gateways))
tmpfile.write('%s: %s\n' % (gateways, targets))
tmpfile.flush()
parser = TopologyParser()
parser.load(tmpfile.name)
tree = parser.tree(myhost)
wtree = WorkerTree(NodeSet(targets),
None,
0,
command='echo ok',
topology=tree,
newroot=myhost)
# XXX Need to propagate topology for this to work in tests
raise RuntimeError
task = task_self()
task.set_info('debug', True)
task.schedule(wtree)
task.resume()
for buf, nodes in task.iter_buffers():
print '-' * 15
print str(nodes)
print '-' * 15
print buf
print ''
def testCompletePropagation(self):
"""test a complete command propagation trip"""
#
# This test relies on configured parameters (topology2.conf)
tmpfile = tempfile.NamedTemporaryFile()
logging.basicConfig(
level=logging.DEBUG
)
logging.debug("STARTING")
hostname = my_node()
cfgparser = load_cfg('topology2.conf')
neighbors = cfgparser.get('CONFIG', 'NEIGHBORS')
targets = cfgparser.get('CONFIG', 'TARGETS')
tmpfile.write('[DEFAULT]\n')
tmpfile.write('%s: %s\n' % (hostname, neighbors))
tmpfile.write('%s: %s\n' % (neighbors, targets))
tmpfile.flush()
parser = TopologyParser()
parser.load(tmpfile.name)
tmpfile.close()
nfs_tmpdir = os.path.expanduser('~/.clustershell/tests/tmp')
tree = parser.tree(hostname)
print tree
ptree = PropagationTree(tree, hostname)
ptree.upchannel = None
ptree.edgehandler = DirectHandler()
ptree.fanout = 20
ptree.invoke_gateway = \
'cd %s; PYTHONPATH=../lib python -m ClusterShell/Gateway -Bu' % \
os.getcwd()
#print ptree.invoke_gateway
## delete remaining files from previous tests
for filename in os.listdir(nfs_tmpdir):
if filename.startswith("fortoy"):
os.remove(os.path.join(nfs_tmpdir, filename))
dst = NodeSet(targets)
task = ptree.execute('python -c "import time; print time.time()" > ' + \
os.path.join(nfs_tmpdir, '$(hostname)'), dst, 20)
#task = ptree.execute('sleep 2; echo "output from $(hostname)"', \
# dst, 20)
self.assert_(task)
res = NodeSet()
times = []
for filename in os.listdir(nfs_tmpdir):
for k in dst:
if filename.startswith(str(k)):
res.add(k)
fd = open(os.path.join(nfs_tmpdir, filename))
times.append(float(fd.read()))
fd.close()
self.assertEquals(str(res), str(dst))
print "Complete propagation time: %fs for %d nodes" % \
(max(times) - min(times), len(dst))
