#
# Thierry Parmentelat <thierry.parmentelat@inria.fr>
-# Copyright (C) 2010 INRIA
+# Copyright (C) 2010-2015 INRIA
#
# #################### history
#
# see also Substrate.readme
#
# This is a complete rewrite of TestResources/Tracker/Pool
-# we don't use trackers anymore and just probe/sense the running
+# we don't use trackers anymore and just probe/sense the running
# boxes to figure out where we are
# in order to implement some fairness in the round-robin allocation scheme
-# we need an indication of the 'age' of each running entity,
+# we need an indication of the 'age' of each running entity,
# hence the 'timestamp-*' steps in TestPlc
-#
+#
# this should be much more flexible:
-# * supports several plc boxes
+# * supports several plc boxes
# * supports several qemu guests per host
# * no need to worry about tracker being in sync or not
#
# #################### howto use
#
-# each site is to write its own LocalSubstrate.py,
+# each site is to write its own LocalSubstrate.py,
# (see e.g. LocalSubstrate.inria.py)
# LocalSubstrate.py is expected to be in /root on the testmaster box
# and needs to define
# . the kvm-qemu capable boxes to host qemu instances
# . and their admissible load (max # of myplcs)
# . the pool of DNS-names and IP-addresses available for nodes
-#
+#
# #################### implem. note
-#
-# this model relies on 'sensing' the substrate,
+#
+# this model relies on 'sensing' the substrate,
# i.e. probing all the boxes for their running instances of vservers and qemu
-# this is how we get rid of tracker inconsistencies
-# however there is a 'black hole' between the time where a given address is
+# this is how we get rid of tracker inconsistencies
+# however there is a 'black hole' between the time where a given address is
# allocated and when it actually gets used/pingable
# this is why we still need a shared knowledge among running tests
# in a file named /root/starting
-# this is connected to the Pool class
-#
+# this is connected to the Pool class
+#
# ####################
import os.path, sys
import re
import traceback
import subprocess
-import commands
import socket
from optparse import OptionParser
import utils
from TestSsh import TestSsh
from TestMapper import TestMapper
+from functools import reduce
# too painful to propagate this cleanly
-verbose=None
+verbose = None
def header (message, banner=True):
if not message: return
- if banner: print "===============",
- print message
+ if banner:
+ print("===============", end=' ')
+ print(message)
sys.stdout.flush()
-def timestamp_sort(o1, o2):
- return o1.timestamp-o2.timestamp
+def timestamp_key(o): return o.timestamp
def short_hostname (hostname):
return hostname.split('.')[0]
# instances, that go undetected through sensing
class Starting:
- location='/root/starting'
+ location = '/root/starting'
+
def __init__ (self):
self.tuples=[]
+ def __repr__(self):
+ return '<Starting>'
+
def load (self):
- try: self.tuples=[line.strip().split('@')
- for line in file(Starting.location).readlines()]
- except: self.tuples=[]
+ try:
+ with open(Starting.location) as starting:
+ self.tuples = [line.strip().split('@') for line in starting.readlines()]
+ except:
+ self.tuples = []
- def vnames (self) :
+ def vnames (self) :
self.load()
- return [ x for (x,_) in self.tuples ]
+ return [ x for (x, _) in self.tuples ]
def add (self, vname, bname):
if not vname in self.vnames():
with open(Starting.location, 'a') as out:
- out.write("%s@%s\n"%(vname,bname))
-
+ out.write("{}@{}\n".format(vname, bname))
+
def delete_vname (self, vname):
self.load()
if vname in self.vnames():
- f=file(Starting.location,'w')
- for (v, b) in self.tuples:
- if v != vname: f.write("%s@%s\n"%(v,b))
- f.close()
-
+ with open(Starting.location, 'w') as f:
+ for (v, b) in self.tuples:
+ if v != vname:
+ f.write("{}@{}\n".format(v, b))
+
####################
# pool class
# allows to pick an available IP among a pool
# input is expressed as a list of tuples (hostname,ip,user_data)
# that can be searched iteratively for a free slot
# e.g.
-# pool = [ (hostname1,user_data1),
-# (hostname2,user_data2),
-# (hostname3,user_data2),
+# pool = [ (hostname1,user_data1),
+# (hostname2,user_data2),
+# (hostname3,user_data2),
# (hostname4,user_data4) ]
# assuming that ip1 and ip3 are taken (pingable), then we'd get
# pool=Pool(pool)
self.status = None
self.ip = None
+ def __repr__(self):
+ return "<PoolItem {} {}>".format(self.hostname, self.userdata)
+
def line(self):
- return "Pooled %s (%s) -> %s"%(self.hostname,self.userdata, self.status)
+ return "Pooled {} ({}) -> {}".format(self.hostname, self.userdata, self.status)
def char (self):
- if self.status==None: return '?'
- elif self.status=='busy': return '+'
- elif self.status=='free': return '-'
- elif self.status=='mine': return 'M'
- elif self.status=='starting': return 'S'
+ if self.status == None: return '?'
+ elif self.status == 'busy': return '*'
+ elif self.status == 'free': return '.'
+ elif self.status == 'mine': return 'M'
+ elif self.status == 'starting': return 'S'
def get_ip(self):
- if self.ip: return self.ip
- ip=socket.gethostbyname(self.hostname)
- self.ip=ip
- return ip
+ if self.ip:
+ return self.ip
+ self.ip = socket.gethostbyname(self.hostname)
+ return self.ip
class Pool:
def __init__ (self, tuples, message, substrate):
- self.pool_items = [ PoolItem (hostname, userdata) for (hostname, userdata) in tuples ]
+ self.pool_items = [ PoolItem (hostname, userdata) for (hostname, userdata) in tuples ]
self.message = message
# where to send notifications upon load_starting
self.substrate = substrate
+ def __repr__(self):
+ return "<Pool {} : {} .. {}>".format(self.message, self.pool_items[0], self.pool_items[-1])
+
def list (self, verbose=False):
- for i in self.pool_items: print i.line()
+ print(self)
+ for i in self.pool_items: print(i.line())
def line (self):
line = self.message
return line
def _item (self, hostname):
- for i in self.pool_items:
+ for i in self.pool_items:
if i.hostname == hostname: return i
- raise Exception ("Could not locate hostname %s in pool %s"%(hostname,self.message))
+ raise Exception ("Could not locate hostname {} in pool {}".format(hostname, self.message))
- def retrieve_userdata (self, hostname):
+ def retrieve_userdata (self, hostname):
return self._item(hostname).userdata
def get_ip (self, hostname):
- try: return self._item(hostname).get_ip()
- except: return socket.gethostbyname(hostname)
-
+ try:
+ return self._item(hostname).get_ip()
+ except:
+ return socket.gethostbyname(hostname)
+
def set_mine (self, hostname):
try:
self._item(hostname).status='mine'
except:
- print 'WARNING: host %s not found in IP pool %s'%(hostname,self.message)
+ print('WARNING: host {} not found in IP pool {}'.format(hostname, self.message))
def next_free (self):
for i in self.pool_items:
if i.status == 'free':
- i.status='mine'
+ i.status = 'mine'
return (i.hostname, i.userdata)
return None
def add_starting (self, vname, bname):
Starting().add(vname, bname)
for i in self.pool_items:
- if i.hostname == vname: i.status='mine'
+ if i.hostname == vname:
+ i.status = 'mine'
# load the starting instances from the common file
# remember that might be ours
# return the list of (vname,bname) that are not ours
def load_starting (self):
- starting=Starting()
+ starting = Starting()
starting.load()
- new_tuples=[]
- for (v,b) in starting.tuples:
+ new_tuples = []
+ for (v, b) in starting.tuples:
for i in self.pool_items:
if i.hostname == v and i.status == 'free':
i.status = 'starting'
def release_my_starting (self):
for i in self.pool_items:
if i.status == 'mine':
- Starting().delete_vname (i.hostname)
+ Starting().delete_vname(i.hostname)
i.status = None
##########
def _sense (self):
for item in self.pool_items:
- if item.status is not None:
- print item.char(),
+ if item.status is not None:
+ print(item.char(), end=' ')
continue
- if self.check_ping (item.hostname):
+ if self.check_ping (item.hostname):
item.status = 'busy'
- print '*',
+ print('*', end=' ')
else:
item.status = 'free'
- print '.',
-
+ print('.', end=' ')
+ sys.stdout.flush()
+
def sense (self):
- print 'Sensing IP pool', self.message,
+ print('Sensing IP pool', self.message, end=' ')
+ sys.stdout.flush()
self._sense()
- print 'Done'
- for (vname,bname) in self.load_starting():
- self.substrate.add_starting_dummy (bname, vname)
- print "After having loaded 'starting': IP pool"
- print self.line()
+ print('Done')
+ for vname, bname in self.load_starting():
+ self.substrate.add_starting_dummy(bname, vname)
+ print("After having loaded 'starting': IP pool")
+ print(self.line())
# OS-dependent ping option (support for macos, for convenience)
ping_timeout_option = None
# returns True when a given hostname/ip responds to ping
def check_ping (self, hostname):
+ if '.' not in hostname:
+ hostname = self.substrate.fqdn(hostname)
if not Pool.ping_timeout_option:
- (status, osname) = commands.getstatusoutput("uname -s")
+ (status, osname) = subprocess.getstatusoutput("uname -s")
if status != 0:
- raise Exception, "TestPool: Cannot figure your OS name"
+ raise Exception("TestPool: Cannot figure your OS name")
if osname == "Linux":
- Pool.ping_timeout_option="-w"
+ Pool.ping_timeout_option = "-w"
elif osname == "Darwin":
- Pool.ping_timeout_option="-t"
-
- command="ping -c 1 %s 1 %s"%(Pool.ping_timeout_option, hostname)
- (status,output) = commands.getstatusoutput(command)
+ Pool.ping_timeout_option = "-t"
+
+ command = "ping -c 1 {} 1 {}".format(Pool.ping_timeout_option, hostname)
+ (status, output) = subprocess.getstatusoutput(command)
+# print ("""
+#----------
+#Ping command <{command}> has returned {status}
+#--
+#{output}
+#----------
+# """.format(**locals()))
return status == 0
####################
class Box:
- def __init__ (self,hostname):
+ def __init__ (self, hostname):
self.hostname = hostname
self._probed = None
+ def __repr__(self):
+ return "<Box {}>".format(self.hostname)
def shortname (self):
return short_hostname(self.hostname)
def test_ssh (self):
return TestSsh(self.hostname, username='root', unknown_host=False)
def reboot (self, options):
self.test_ssh().run("shutdown -r now",
- message="Rebooting %s"%self.hostname,
+ message="Rebooting {}".format(self.hostname),
dry_run=options.dry_run)
def hostname_fedora (self, virt=None):
- result = "%s {"%self.hostname
+ # this truly is an opening bracket
+ result = "{}".format(self.hostname) + " {"
if virt:
- result += "%s-"%virt
- result += "%s %s"%(self.fedora(),self.memory())
+ result += "{}-".format(virt)
+ result += "{} {}".format(self.fedora(), self.memory())
# too painful to propagate this cleanly
global verbose
if verbose:
- result += "-%s" % self.uname()
+ result += "-{}".format(self.uname())
+ # and the matching closing bracket
result += "}"
return result
probe_argv = self.test_ssh().actual_argv(composite_command)
composite = self.backquote ( probe_argv, trash_err=True )
self._hostname = self._uptime = self._uname = self._fedora = self._memory = "** Unknown **"
- if not composite:
- print "root@%s unreachable"%self.hostname
+ if not composite:
+ print("root@{} unreachable".format(self.hostname))
self._probed = ''
else:
try:
self._fedora = fedora.replace("Fedora release ","f").split(" ")[0]
# translate into Mb
self._memory = int(memory.split()[1])/(1024)
- except:
+ except Exception as e:
import traceback
- print 'BEG issue with pieces',pieces
+ print('BEG issue with pieces')
traceback.print_exc()
- print 'END issue with pieces',pieces
self._probed = self._hostname
return self._probed
return '*unprobed* fedora'
def memory(self):
self.probe()
- if hasattr(self,'_memory') and self._memory: return "%s Mb"%self._memory
+ if hasattr(self,'_memory') and self._memory: return "{} Mb".format(self._memory)
return '*unprobed* memory'
def run(self, argv, message=None, trash_err=False, dry_run=False):
if dry_run:
- print 'DRY_RUN:',
- print " ".join(argv)
+ print('DRY_RUN:', end=' ')
+ print(" ".join(argv))
return 0
else:
header(message)
if not trash_err:
return subprocess.call(argv)
else:
- return subprocess.call(argv, stderr=file('/dev/null','w'))
-
+ with open('/dev/null', 'w') as null:
+ return subprocess.call(argv, stderr=null)
+
def run_ssh (self, argv, message, trash_err=False, dry_run=False):
ssh_argv = self.test_ssh().actual_argv(argv)
- result=self.run (ssh_argv, message, trash_err, dry_run=dry_run)
- if result!=0:
- print "WARNING: failed to run %s on %s"%(" ".join(argv),self.hostname)
+ result = self.run (ssh_argv, message, trash_err, dry_run=dry_run)
+ if result != 0:
+ print("WARNING: failed to run {} on {}".format(" ".join(argv), self.hostname))
return result
def backquote (self, argv, trash_err=False):
- # print 'running backquote',argv
+ # in python3 we need to set universal_newlines=True
if not trash_err:
- result= subprocess.Popen(argv,stdout=subprocess.PIPE).communicate()[0]
+ out_err = subprocess.Popen(argv, stdout=subprocess.PIPE,
+ universal_newlines=True).communicate()
else:
- result= subprocess.Popen(argv,stdout=subprocess.PIPE,stderr=file('/dev/null','w')).communicate()[0]
- return result
+ with open('/dev/null', 'w') as null:
+ out_err = subprocess.Popen(argv, stdout=subprocess.PIPE, stderr=null,
+ universal_newlines=True).communicate()
+ # only interested in stdout here
+ return out_err[0]
# if you have any shell-expanded arguments like *
# and if there's any chance the command is adressed to the local host
self.buildname = buildname
self.buildbox = buildbox
self.pids = [pid]
+ def __repr__(self):
+ return "<BuildInstance {} in {}>".format(self.buildname, self.buildbox)
def add_pid(self,pid):
self.pids.append(pid)
def line (self):
- return "== %s == (pids=%r)"%(self.buildname,self.pids)
+ return "== {} == (pids={})".format(self.buildname, self.pids)
class BuildBox (Box):
def __init__ (self, hostname):
Box.__init__(self, hostname)
self.build_instances = []
+ def __repr__(self):
+ return "<BuildBox {}>".format(self.hostname)
def add_build(self, buildname, pid):
for build in self.build_instances:
- if build.buildname == buildname:
+ if build.buildname == buildname:
build.add_pid(pid)
return
self.build_instances.append(BuildInstance(buildname, pid, self))
def list(self, verbose=False):
- if not self.build_instances:
- header ('No build process on %s (%s)'%(self.hostname_fedora(), self.uptime()))
+ if not self.build_instances:
+ header ('No build process on {} ({})'.format(self.hostname_fedora(), self.uptime()))
else:
- header ("Builds on %s (%s)"%(self.hostname_fedora(), self.uptime()))
- for b in self.build_instances:
+ header ("Builds on {} ({})".format(self.hostname_fedora(), self.uptime()))
+ for b in self.build_instances:
header (b.line(), banner=False)
def reboot (self, options):
# inspect box and find currently running builds
def sense(self, options):
- print 'xb',
+ print('xb', end=' ')
+ sys.stdout.flush()
pids = self.backquote_ssh(['pgrep','lbuild'], trash_err=True)
if not pids: return
command = ['ps', '-o', 'pid,command'] + [ pid for pid in pids.split("\n") if pid]
for line in ps_lines:
if not line.strip() or line.find('PID') >= 0: continue
m = build_matcher.match(line)
- if m:
+ if m:
date = time.strftime('%Y-%m-%d', time.localtime(time.time()))
buildname = m.group('buildname').replace('@DATE@', date)
self.add_build(buildname, m.group('pid'))
continue
m = build_matcher_initvm.match(line)
- if m:
+ if m:
# buildname is expansed here
self.add_build(buildname, m.group('pid'))
continue
- header('BuildLxcBox.sense: command %r returned line that failed to match'%command)
- header(">>%s<<"%line)
-
+ header('BuildLxcBox.sense: command {} returned line that failed to match'.format(command))
+ header(">>{}<<".format(line))
+
############################################################
class PlcInstance:
def __init__ (self, plcbox):
self.plc_box = plcbox
# unknown yet
self.timestamp = 0
-
+ def __repr__(self):
+ return "<PlcInstance {}>".format(self.plc_box)
+
def set_timestamp (self,timestamp):
self.timestamp = timestamp
def set_now (self):
def __init__ (self, plcbox, lxcname, pid):
PlcInstance.__init__(self, plcbox)
self.lxcname = lxcname
- self.pid = pid
+ self.pid = pid
+ def __repr__(self):
+ return "<PlcLxcInstance {}>".format(self.lxcname)
def vplcname (self):
return self.lxcname.split('-')[-1]
return self.lxcname.rsplit('-',2)[0]
def line (self):
- msg="== %s =="%(self.vplcname())
- msg += " [=%s]"%self.lxcname
+ msg="== {} ==".format(self.vplcname())
+ msg += " [={}]".format(self.lxcname)
if self.pid==-1: msg+=" not (yet?) running"
- else: msg+=" (pid=%s)"%self.pid
- if self.timestamp: msg += " @ %s"%self.pretty_timestamp()
+ else: msg+=" (pid={})".format(self.pid)
+ if self.timestamp: msg += " @ {}".format(self.pretty_timestamp())
else: msg += " *unknown timestamp*"
return msg
def kill (self):
- command="rsync lxc-driver.sh %s:/root"%self.plc_box.hostname
- commands.getstatusoutput(command)
- msg="lxc container stopping %s on %s"%(self.lxcname, self.plc_box.hostname)
- self.plc_box.run_ssh(['/root/lxc-driver.sh', '-c', 'stop_lxc', '-n', self.lxcname], msg)
+ command="rsync lxc-driver.sh {}:/root".format(self.plc_box.hostname)
+ subprocess.getstatusoutput(command)
+ msg="lxc container stopping {} on {}".format(self.lxcname, self.plc_box.hostname)
+ self.plc_box.run_ssh(['/root/lxc-driver.sh', '-c', 'stop_lxc', '-n', self.lxcname], msg)
self.plc_box.forget(self)
##########
Box.__init__(self, hostname)
self.plc_instances = []
self.max_plcs = max_plcs
+ def __repr__(self):
+ return "<PlcBox {}>".format(self.hostname)
def free_slots (self):
return self.max_plcs - len(self.plc_instances)
self.soft_reboot (options)
def list(self, verbose=False):
- if not self.plc_instances:
- header ('No plc running on %s'%(self.line()))
+ if not self.plc_instances:
+ header ('No plc running on {}'.format(self.line()))
else:
- header ("Active plc VMs on %s"%self.line())
- self.plc_instances.sort(timestamp_sort)
- for p in self.plc_instances:
+ header ("Active plc VMs on {}".format(self.line()))
+ self.plc_instances.sort(key=timestamp_key)
+ for p in self.plc_instances:
header (p.line(), banner=False)
## we do not this at INRIA any more
def add_lxc (self, lxcname, pid):
for plc in self.plc_instances:
if plc.lxcname == lxcname:
- header("WARNING, duplicate myplc %s running on %s"%\
- (lxcname, self.hostname), banner=False)
+ header("WARNING, duplicate myplc {} running on {}"\
+ .format(lxcname, self.hostname), banner=False)
return
- self.plc_instances.append(PlcLxcInstance(self, lxcname, pid))
+ self.plc_instances.append(PlcLxcInstance(self, lxcname, pid))
# a line describing the box
- def line(self):
- return "%s [max=%d,free=%d] (%s)"%(self.hostname_fedora(virt="lxc"),
- self.max_plcs,self.free_slots(),
- self.uptime())
-
+ def line(self):
+ return "{} [max={},free={}] ({})".format(self.hostname_fedora(virt="lxc"),
+ self.max_plcs, self.free_slots(),
+ self.uptime())
+
def plc_instance_by_lxcname(self, lxcname):
for p in self.plc_instances:
if p.lxcname == lxcname:
return p
return None
-
+
# essentially shutdown all running containers
def soft_reboot(self, options):
- command="rsync lxc-driver.sh %s:/root"%self.hostname
- commands.getstatusoutput(command)
- self.run_ssh( ['/root/lxc-driver.sh','-c','stop_all'],
- "Stopping all running lxc containers on %s"%self.hostname,
+ command="rsync lxc-driver.sh {}:/root".format(self.hostname)
+ subprocess.getstatusoutput(command)
+ self.run_ssh( ['/root/lxc-driver.sh','-c','stop_all'],
+ "Stopping all running lxc containers on {}".format(self.hostname),
dry_run=options.dry_run)
- # sense is expected to fill self.plc_instances with PlcLxcInstance's
+ # sense is expected to fill self.plc_instances with PlcLxcInstance's
# to describe the currently running VM's
def sense(self, options):
- print "xp",
- command="rsync lxc-driver.sh %s:/root"%self.hostname
- commands.getstatusoutput(command)
- command=['/root/lxc-driver.sh', '-c', 'sense_all']
+ print("xp", end=' ')
+ sys.stdout.flush()
+ command = "rsync lxc-driver.sh {}:/root".format(self.hostname)
+ subprocess.getstatusoutput(command)
+ command = ['/root/lxc-driver.sh', '-c', 'sense_all']
lxc_stat = self.backquote_ssh (command)
- for lxc_line in lxc_stat.split("\n"):
- if not lxc_line: continue
+ for lxc_line in lxc_stat.split("\n"):
+ if not lxc_line:
+ continue
+ # we mix build and plc VMs
+ if 'vplc' not in lxc_line:
+ continue
lxcname = lxc_line.split(";")[0]
- pid = lxc_line.split(";")[1]
- timestamp = lxc_line.split(";")[2]
+ pid = lxc_line.split(";")[1]
+ timestamp = lxc_line.split(";")[2]
self.add_lxc(lxcname,pid)
try: timestamp = int(timestamp)
except: timestamp = 0
p = self.plc_instance_by_lxcname(lxcname)
if not p:
- print 'WARNING zombie plc',self.hostname,lxcname
- print '... was expecting',lxcname,'in',[i.lxcname for i in self.plc_instances]
+ print('WARNING zombie plc',self.hostname,lxcname)
+ print('... was expecting',lxcname,'in',[i.lxcname for i in self.plc_instances])
continue
p.set_timestamp(timestamp)
############################################################
-class QemuInstance:
+class QemuInstance:
def __init__(self, nodename, pid, qemubox):
self.nodename = nodename
self.pid = pid
# not known yet
self.buildname = None
self.timestamp = 0
-
+ def __repr__(self):
+ return "<QemuInstance {}>".format(self.nodename)
+
def set_buildname (self, buildname):
self.buildname = buildname
def set_timestamp (self, timestamp):
self.timestamp = int(time.time())
def pretty_timestamp (self):
return time.strftime("%Y-%m-%d:%H-%M", time.localtime(self.timestamp))
-
+
def line (self):
- msg = "== %s =="%(short_hostname(self.nodename))
- msg += " [=%s]"%self.buildname
- if self.pid: msg += " (pid=%s)"%self.pid
+ msg = "== {} ==".format(short_hostname(self.nodename))
+ msg += " [={}]".format(self.buildname)
+ if self.pid: msg += " (pid={})".format(self.pid)
else: msg += " not (yet?) running"
- if self.timestamp: msg += " @ %s"%self.pretty_timestamp()
+ if self.timestamp: msg += " @ {}".format(self.pretty_timestamp())
else: msg += " *unknown timestamp*"
return msg
-
+
def kill(self):
- if self.pid == 0:
- print "cannot kill qemu %s with pid==0"%self.nodename
+ if self.pid == 0:
+ print("cannot kill qemu {} with pid==0".format(self.nodename))
return
- msg="Killing qemu %s with pid=%s on box %s"%(self.nodename, self.pid, self.qemu_box.hostname)
- self.qemu_box.run_ssh(['kill', "%s"%self.pid], msg)
+ msg = "Killing qemu {} with pid={} on box {}".format(self.nodename, self.pid, self.qemu_box.hostname)
+ self.qemu_box.run_ssh(['kill', "{}".format(self.pid)], msg)
self.qemu_box.forget(self)
Box.__init__(self, hostname)
self.qemu_instances = []
self.max_qemus = max_qemus
+ def __repr__(self):
+ return "<QemuBox {}>".format(self.hostname)
def add_node(self, nodename, pid):
for qemu in self.qemu_instances:
- if qemu.nodename == nodename:
- header("WARNING, duplicate qemu %s running on %s"%\
- (nodename,self.hostname), banner=False)
+ if qemu.nodename == nodename:
+ header("WARNING, duplicate qemu {} running on {}"\
+ .format(nodename,self.hostname), banner=False)
return
self.qemu_instances.append(QemuInstance(nodename, pid, self))
self.qemu_instances.append(dummy)
def line (self):
- return "%s [max=%d,free=%d] (%s) %s"%(
- self.hostname_fedora(virt="qemu"), self.max_qemus, self.free_slots(),
- self.uptime(), self.driver())
+ return "{} [max={},free={}] ({}) {}"\
+ .format(self.hostname_fedora(virt="qemu"),
+ self.max_qemus, self.free_slots(),
+ self.uptime(), self.driver())
def list(self, verbose=False):
- if not self.qemu_instances:
- header ('No qemu on %s'%(self.line()))
+ if not self.qemu_instances:
+ header ('No qemu on {}'.format(self.line()))
else:
- header ("Qemus on %s"%(self.line()))
- self.qemu_instances.sort(timestamp_sort)
- for q in self.qemu_instances:
+ header ("Qemus on {}".format(self.line()))
+ self.qemu_instances.sort(key=timestamp_key)
+ for q in self.qemu_instances:
header (q.line(), banner=False)
def free_slots (self):
matcher=re.compile("\s*(?P<pid>[0-9]+).*-cdrom\s+(?P<nodename>[^\s]+)\.iso")
def sense(self, options):
- print 'qn',
+ print('qn', end=' ')
+ sys.stdout.flush()
modules = self.backquote_ssh(['lsmod']).split('\n')
self._driver = '*NO kqemu/kvm_intel MODULE LOADED*'
for module in modules:
if not line.strip() or line.find('PID') >=0 :
continue
m = QemuBox.matcher.match(line)
- if m:
+ if m:
self.add_node(m.group('nodename'), m.group('pid'))
continue
- header('QemuBox.sense: command %r returned line that failed to match'%command)
- header(">>%s<<"%line)
+ header('QemuBox.sense: command {} returned line that failed to match'.format(command))
+ header(">>{}<<".format(line))
########## retrieve alive instances and map to build
live_builds=[]
command = ['grep', '.', '/vservers/*/*/qemu.pid', '/dev/null']
q.set_buildname(buildname)
live_builds.append(buildname)
except:
- print 'WARNING, could not parse pid line',pid_line
+ print('WARNING, could not parse pid line', pid_line)
# retrieve timestamps
if not live_builds:
return
command = ['grep','.']
- command += ['/vservers/%s/*/timestamp'%b for b in live_builds]
+ command += ['/vservers/{}/*/timestamp'.format(b) for b in live_builds]
command += ['/dev/null']
ts_lines = self.backquote_ssh(command, trash_err=True).split('\n')
for ts_line in ts_lines:
(_, timestamp) = tail.split(':')
timestamp = int(timestamp)
q = self.qemu_instance_by_nodename_buildname(nodename, buildname)
- if not q:
- # this warning corresponds to qemu instances that were not killed properly
+ if not q:
+ # this warning corresponds to qemu instances that were not killed properly
# and that have a dangling qemu.pid - and not even all of them as they need
# to be attached to a build that has a node running...
# it is more confusing than helpful, so let's just trash it
continue
q.set_timestamp(timestamp)
except:
- print 'WARNING, could not parse ts line',ts_line
+ print('WARNING, could not parse ts line',ts_line)
####################
class TestInstance:
# has a KO test
self.broken_steps = []
self.timestamp = 0
+ def __repr__(self):
+ return "<TestInstance {}>".format(self.buildname)
def set_timestamp(self, timestamp):
self.timestamp = timestamp
return len(self.pids) != 0
def add_pid(self, pid):
self.pids.append(pid)
- def set_broken(self, plcindex, step):
+ def set_broken(self, plcindex, step):
self.broken_steps.append( (plcindex, step,) )
def second_letter(self):
# second letter : '=' if fine, 'W' for warnings (only ignored steps) 'B' for broken
letter2 = self.second_letter()
double += letter2
- msg = " %s %s =="%(double,self.buildname)
+ msg = " {} {} ==".format(double, self.buildname)
if not self.pids:
pass
elif len(self.pids)==1:
- msg += " (pid=%s)"%self.pids[0]
+ msg += " (pid={})".format(self.pids[0])
else:
- msg += " !!!pids=%s!!!"%self.pids
- msg += " @%s"%self.pretty_timestamp()
+ msg += " !!!pids={}!!!".format(self.pids)
+ msg += " @{}".format(self.pretty_timestamp())
if letter2 != '=':
msg2 = ( ' BROKEN' if letter2 == 'B' else ' WARNING' )
# sometimes we have an empty plcindex
- msg += " [%s="%msg2 + " ".join( [ "%s@%s"%(s,i) if i else s for (i, s) in self.broken_steps ] ) + "]"
+ msg += " [{}=".format(msg2) \
+ + " ".join(["{}@{}".format(s, i) if i else s for (i, s) in self.broken_steps]) \
+ + "]"
return msg
class TestBox(Box):
Box.__init__(self, hostname)
self.starting_ips = []
self.test_instances = []
+ def __repr__(self):
+ return "<TestBox {}>".format(self.hostname)
def reboot(self, options):
# can't reboot a vserver VM
self.run_ssh(['pkill', 'run_log'], "Terminating current runs",
dry_run=options.dry_run)
- self.run_ssh(['rm', '-f', Starting.location], "Cleaning %s"%Starting.location,
+ self.run_ssh(['rm', '-f', Starting.location], "Cleaning {}".format(Starting.location),
dry_run=options.dry_run)
def get_test(self, buildname):
# we scan ALL remaining test results, even the ones not running
def add_timestamp(self, buildname, timestamp):
i = self.get_test(buildname)
- if i:
+ if i:
i.set_timestamp(timestamp)
- else:
+ else:
i = TestInstance(buildname, 0)
i.set_timestamp(timestamp)
self.test_instances.append(i)
self.test_instances.append(TestInstance(buildname, pid))
return
if i.pids:
- print "WARNING: 2 concurrent tests run on same build %s"%buildname
+ print("WARNING: 2 concurrent tests run on same build {}".format(buildname))
i.add_pid(pid)
def add_broken(self, buildname, plcindex, step):
matcher_grep_missing=re.compile ("grep: /root/(?P<buildname>[^/]+)/logs/trace: No such file or directory")
def sense(self, options):
- print 'tm',
- self.starting_ips = [x for x in self.backquote_ssh(['cat',Starting.location], trash_err=True).strip().split('\n') if x]
+ print('tm', end=' ')
+ self.starting_ips = [ x for x in self.backquote_ssh( ['cat', Starting.location], trash_err=True).strip().split('\n') if x ]
# scan timestamps on all tests
# this is likely to not invoke ssh so we need to be a bit smarter to get * expanded
timestamp = int(timestamp)
t = self.add_timestamp(buildname, timestamp)
except:
- print 'WARNING, could not parse ts line', ts_line
+ print('WARNING, could not parse ts line', ts_line)
# let's try to be robust here -- tests that fail very early like e.g.
# "Cannot make space for a PLC instance: vplc IP pool exhausted", that occurs as part of provision
self.add_broken(buildname, '', 'NO STEP DONE')
continue
m = TestBox.matcher_grep.match(line)
- if m:
+ if m:
buildname = m.group('buildname')
plcindex = m.group('plcindex')
step = m.group('step')
self.add_broken(buildname, plcindex, step)
continue
- header("TestBox.sense: command %r returned line that failed to match\n%s"%(command,line))
- header(">>%s<<"%line)
+ header("TestBox.sense: command {} returned line that failed to match\n{}".format(command, line))
+ header(">>{}<<".format(line))
pids = self.backquote_ssh (['pgrep', 'run_log'], trash_err=True)
if not pids:
return
- command = ['ls','-ld'] + ["/proc/%s/cwd"%pid for pid in pids.split("\n") if pid]
+ command = ['ls','-ld'] + ["/proc/{}/cwd".format(pid) for pid in pids.split("\n") if pid]
ps_lines = self.backquote_ssh(command).split('\n')
for line in ps_lines:
if not line.strip():
continue
m = TestBox.matcher_proc.match(line)
- if m:
+ if m:
pid = m.group('pid')
buildname = m.group('buildname')
self.add_running_test(pid, buildname)
continue
- header("TestBox.sense: command %r returned line that failed to match\n%s"%(command,line))
- header(">>%s<<"%line)
-
-
+ header("TestBox.sense: command {} returned line that failed to match\n{}".format(command, line))
+ header(">>{}<<".format(line))
+
+
def line (self):
return self.hostname_fedora()
msg="running tests"
if not instances:
- header ("No %s on %s"%(msg,self.line()))
+ header ("No {} on {}".format(msg, self.line()))
else:
- header ("%s on %s"%(msg,self.line()))
- instances.sort(timestamp_sort)
+ header ("{} on {}".format(msg, self.line()))
+ instances.sort(key=timestamp_key)
for i in instances:
- print i.line()
+ print(i.line())
# show 'starting' regardless of verbose
if self.starting_ips:
- header("Starting IP addresses on %s"%self.line())
+ header("Starting IP addresses on {}".format(self.line()))
self.starting_ips.sort()
for starting in self.starting_ips:
- print starting
+ print(starting)
else:
- header("Empty 'starting' on %s"%self.line())
+ header("Empty 'starting' on {}".format(self.line()))
############################################################
class Options: pass
self.vplc_pool = Pool(self.vplc_ips(), "for vplcs", self)
self.vnode_pool = Pool(self.vnode_ips(), "for vnodes", self)
-
+
self.build_boxes = self.build_lxc_boxes
self.plc_boxes = self.plc_lxc_boxes
self.default_boxes = self.plc_boxes + self.qemu_boxes
self.all_boxes = self.build_boxes + [ self.test_box ] + self.plc_boxes + self.qemu_boxes
+ def __repr__(self):
+ return "<Substrate {}>".format(self.summary_line())
def summary_line (self):
msg = "["
- msg += " %d xp"%len(self.plc_lxc_boxes)
- msg += " %d tried plc boxes"%len(self.plc_boxes)
+ msg += " {} xp".format(len(self.plc_lxc_boxes))
+ msg += " {} xq".format(len(self.qemu_boxes))
msg += "]"
return msg
def fqdn (self, hostname):
if hostname.find('.') < 0:
- return "%s.%s" % (hostname, self.domain())
+ return "{}.{}".format(hostname, self.domain())
return hostname
# return True if actual sensing takes place
def sense(self, force=False):
if self._sensed and not force:
return False
- print 'Sensing local substrate...',
+ print('Sensing local substrate...', end=' ')
+ sys.stdout.flush()
for b in self.default_boxes:
b.sense(self.options)
- print 'Done'
+ print('Done')
self._sensed = True
return True
def add_starting_dummy(self, bname, vname):
return self.add_dummy_plc(bname, vname) or self.add_dummy_qemu(bname, vname)
- ##########
+ ##########
def provision(self, plcs, options):
try:
# attach each plc to a plc box and an IP address
plcs = [ self.localize_sfa_rspec(plc, options) for plc in plcs ]
self.list()
return plcs
- except Exception, e:
- print '* Could not provision this test on current substrate','--',e,'--','exiting'
+ except Exception as e:
+ print('* Could not provision this test on current substrate','--',e,'--','exiting')
traceback.print_exc()
sys.exit(1)
- # it is expected that a couple of options like ips_bplc and ips_vplc
+ # it is expected that a couple of options like ips_bplc and ips_vplc
# are set or unset together
@staticmethod
def check_options(x, y):
# find an available plc box (or make space)
# and a free IP address (using options if present)
def provision_plc(self, plc, options):
-
+
assert Substrate.check_options(options.ips_bplc, options.ips_vplc)
#### let's find an IP address for that plc
- # look in options
+ # look in options
if options.ips_vplc:
# this is a rerun
- # we don't check anything here,
+ # we don't check anything here,
# it is the caller's responsability to cleanup and make sure this makes sense
plc_boxname = options.ips_bplc.pop()
vplc_hostname = options.ips_vplc.pop()
self.list()
plc_boxname = None
vplc_hostname = None
- # try to find an available IP
+ # try to find an available IP
self.vplc_pool.sense()
couple = self.vplc_pool.next_free()
if couple:
# make space by killing the oldest running instance
if not plc_boxname or not vplc_hostname:
# find the oldest of all our instances
- all_plc_instances = reduce(lambda x, y: x+y,
+ all_plc_instances = reduce(lambda x, y: x+y,
[ pb.plc_instances for pb in self.plc_boxes ],
[])
- all_plc_instances.sort(timestamp_sort)
+ all_plc_instances.sort(key=timestamp_key)
try:
plc_instance_to_kill = all_plc_instances[0]
except:
msg += " PLC boxes are full"
if not vplc_hostname:
msg += " vplc IP pool exhausted"
- msg += " %s"%self.summary_line()
- raise Exception,"Cannot make space for a PLC instance:" + msg
+ msg += " {}".format(self.summary_line())
+ raise Exception("Cannot make space for a PLC instance:" + msg)
freed_plc_boxname = plc_instance_to_kill.plc_box.hostname
freed_vplc_hostname = plc_instance_to_kill.vplcname()
- message = 'killing oldest plc instance = %s on %s' % (plc_instance_to_kill.line(),
- freed_plc_boxname)
+ message = 'killing oldest plc instance = {} on {}'\
+ .format(plc_instance_to_kill.line(), freed_plc_boxname)
plc_instance_to_kill.kill()
# use this new plcbox if that was the problem
if not plc_boxname:
# record in pool as mine
self.vplc_pool.set_mine(vplc_hostname)
- #
+ #
self.add_dummy_plc(plc_boxname, plc['name'])
vplc_ip = self.vplc_pool.get_ip(vplc_hostname)
self.vplc_pool.add_starting(vplc_hostname, plc_boxname)
#### compute a helpful vserver name
# remove domain in hostname
vplc_short = short_hostname(vplc_hostname)
- vservername = "%s-%d-%s" % (options.buildname, plc['index'], vplc_short)
- plc_name = "%s_%s" % (plc['name'], vplc_short)
+ vservername = "{}-{}-{}".format(options.buildname, plc['index'], vplc_short)
+ plc_name = "{}_{}".format(plc['name'], vplc_short)
- utils.header('PROVISION plc %s in box %s at IP %s as %s' % \
- (plc['name'], plc_boxname, vplc_hostname, vservername))
+ utils.header('PROVISION plc {} in box {} at IP {} as {}'\
+ .format(plc['name'], plc_boxname, vplc_hostname, vservername))
#### apply in the plc_spec
# # informative
self.list()
qemu_boxname = None
vnode_hostname = None
- # try to find an available IP
+ # try to find an available IP
self.vnode_pool.sense()
couple = self.vnode_pool.next_free()
if couple:
# if we miss the box or the IP, kill the oldest instance
if not qemu_boxname or not vnode_hostname:
# find the oldest of all our instances
- all_qemu_instances = reduce(lambda x, y: x+y,
+ all_qemu_instances = reduce(lambda x, y: x+y,
[ qb.qemu_instances for qb in self.qemu_boxes ],
[])
- all_qemu_instances.sort(timestamp_sort)
+ all_qemu_instances.sort(key=timestamp_key)
try:
qemu_instance_to_kill = all_qemu_instances[0]
except:
if not qemu_boxname:
msg += " QEMU boxes are full"
if not vnode_hostname:
- msg += " vnode IP pool exhausted"
- msg += " %s"%self.summary_line()
- raise Exception,"Cannot make space for a QEMU instance:"+msg
+ msg += " vnode IP pool exhausted"
+ msg += " {}".format(self.summary_line())
+ raise Exception("Cannot make space for a QEMU instance:"+msg)
freed_qemu_boxname = qemu_instance_to_kill.qemu_box.hostname
freed_vnode_hostname = short_hostname(qemu_instance_to_kill.nodename)
# kill it
- message = 'killing oldest qemu node = %s on %s' % (qemu_instance_to_kill.line(),
- freed_qemu_boxname)
+ message = 'killing oldest qemu node = {} on {}'.format(qemu_instance_to_kill.line(),
+ freed_qemu_boxname)
qemu_instance_to_kill.kill()
# use these freed resources where needed
if not qemu_boxname:
vnode_fqdn = self.fqdn(vnode_hostname)
nodemap = {'host_box' : qemu_boxname,
'node_fields:hostname' : vnode_fqdn,
- 'interface_fields:ip' : ip,
- 'ipaddress_fields:ip_addr' : ip,
+ 'interface_fields:ip' : ip,
+ 'ipaddress_fields:ip_addr' : ip,
'interface_fields:mac' : mac,
}
nodemap.update(self.network_settings())
maps.append( (nodename, nodemap) )
- utils.header("PROVISION node %s in box %s at IP %s with MAC %s" % \
- (nodename, qemu_boxname, vnode_hostname, mac))
+ utils.header("PROVISION node {} in box {} at IP {} with MAC {}"\
+ .format(nodename, qemu_boxname, vnode_hostname, mac))
return test_mapper.map({'node':maps})[0]
def localize_sfa_rspec(self, plc, options):
-
+
plc['sfa']['settings']['SFA_REGISTRY_HOST'] = plc['settings']['PLC_DB_HOST']
plc['sfa']['settings']['SFA_AGGREGATE_HOST'] = plc['settings']['PLC_DB_HOST']
- plc['sfa']['settings']['SFA_SM_HOST'] = plc['settings']['PLC_DB_HOST']
plc['sfa']['settings']['SFA_DB_HOST'] = plc['settings']['PLC_DB_HOST']
- plc['sfa']['settings']['SFA_PLC_URL'] = 'https://%s:443/PLCAPI/' % plc['settings']['PLC_API_HOST']
- return plc
+ plc['sfa']['settings']['SFA_PLC_URL'] = 'https://{}:443/PLCAPI/'.format(plc['settings']['PLC_API_HOST'])
+ return plc
#################### release:
def release(self, options):
return b
except:
pass
- print "Could not find box %s" % boxname
+ print("Could not find box {}".format(boxname))
return None
- # deal with the mix of boxes and names and stores the current focus
+ # deal with the mix of boxes and names and stores the current focus
# as a list of Box instances in self.focus_all
def normalize(self, box_or_names):
self.focus_all = []
for box in box_or_names:
if not isinstance(box, Box):
box = self.get_box(box)
- if not box:
- print 'Warning - could not handle box',box
+ if not box:
+ print('Warning - could not handle box',box)
self.focus_all.append(box)
# elaborate by type
self.focus_build = [ x for x in self.focus_all if isinstance(x, BuildBox) ]
self.focus_plc = [ x for x in self.focus_all if isinstance(x, PlcBox) ]
self.focus_qemu = [ x for x in self.focus_all if isinstance(x, QemuBox) ]
-
+
def list_boxes(self):
- print 'Sensing',
+ print('Sensing', end=' ')
+ sys.stdout.flush()
for box in self.focus_all:
box.sense(self.options)
- print 'Done'
+ print('Done')
for box in self.focus_all:
box.list(self.options.verbose)
box.reboot(self.options)
def sanity_check(self):
- print 'Sanity check'
+ print('Sanity check')
self.sanity_check_plc()
self.sanity_check_qemu()
if node not in hash:
hash[node] = 0
hash[node]+=1
- for (node,count) in hash.items():
+ for (node,count) in list(hash.items()):
if count!=1:
- print 'WARNING - duplicate node', node
-
+ print('WARNING - duplicate node', node)
+
####################
# can be run as a utility to probe/display/manage the local infrastructure
parser.add_option('-s', "--soft", action='store_true', dest='soft', default=False,
help='soft mode for reboot (terminates processes)')
parser.add_option('-t', "--testbox", action='store_true', dest='testbox', default=False,
- help='add test box')
+ help='add test box')
parser.add_option('-b', "--build", action='store_true', dest='builds', default=False,
help='add build boxes')
parser.add_option('-p', "--plc", action='store_true', dest='plcs', default=False,
help='add plc boxes')
parser.add_option('-q', "--qemu", action='store_true', dest='qemus', default=False,
- help='add qemu boxes')
+ help='add qemu boxes')
parser.add_option('-a', "--all", action='store_true', dest='all', default=False,
help='address all known boxes, like -b -t -p -q')
parser.add_option('-v', "--verbose", action='store_true', dest='verbose', default=False,
if self.options.plcs: boxes += self.plc_boxes
if self.options.qemus: boxes += self.qemu_boxes
if self.options.all: boxes += self.all_boxes
-
+
global verbose
verbose = self.options.verbose
# default scope is -b -p -q -t
git://git.onelab.eu / tests.git / blobdiff