def system_rollback(self):
containers = self.container.get_container(self.args.template)
# By now only support "Pulsar" and "overc" Linux rollback
DIST = "Pulsar overc"
need_reboot = False
for cn in containers:
if self.container.is_active(cn, self.args.template):
for dist in DIST.split():
if dist in self.container.get_issue(
cn, self.args.template).split():
log.info("Rollback container %s" % cn)
self._container_rollback(cn, None, self.args.template,
True)
if self.retval is not 0:
log.error("*** Failed to rollback container %s" %
cn)
else:
need_reboot = True
break
self.host_rollback()
if need_reboot:
log.info("rebooting...")
os.system('reboot')
def run(self, cmd, liveoutput=True):
log.info("Running: %s" % cmd)
child = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
while True:
fds = select.select([child.stdout.fileno(), child.stderr.fileno()], [], [])
for fd in fds[0]:
if fd == child.stdout.fileno():
if liveoutput:
read = child.stdout.readline().decode("utf-8")
else:
read = child.stdout.read().decode("utf-8")
if read != '':
sys.stdout.write(read)
self.stdout += read
self.message += read
if fd == child.stderr.fileno():
if liveoutput:
read = child.stderr.readline().decode("utf-8")
else:
read = child.stderr.read().decode("utf-8")
if read != '':
sys.stderr.write(read)
self.stderr += read
self.message += read
if child.poll() != None:
break
self.retval = child.poll()
return self.retval
def run(self, cmd, liveoutput=True):
log.info("Running: %s" % cmd)
child = subprocess.Popen(cmd.split(),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
while True:
fds = select.select([child.stdout.fileno(),
child.stderr.fileno()], [], [])
for fd in fds[0]:
if fd == child.stdout.fileno():
if liveoutput:
read = child.stdout.readline().decode("utf-8")
else:
read = child.stdout.read().decode("utf-8")
if read != '':
sys.stdout.write(read)
self.stdout += read
self.message += read
if fd == child.stderr.fileno():
if liveoutput:
read = child.stderr.readline().decode("utf-8")
else:
read = child.stderr.read().decode("utf-8")
if read != '':
sys.stderr.write(read)
self.stderr += read
self.message += read
if child.poll() != None:
break
self.retval = child.poll()
return self.retval
def factory_reset(self):
rc = self.agency.factory_reset()
if not rc:
self.agency.clean_essential()
self.agency.clean_container()
self.message += self.agency.message
else:
log.info("rebooting...")
os.system('reboot')
def factory_reset(self):
rc = self.agency.factory_reset()
if not rc:
self.agency.clean_essential()
self.agency.clean_container()
self.message += self.agency.message
else:
log.info("rebooting...")
os.system('reboot')
def overlay_create(self, cn, dirs, source):
val = self._overlay(cn, dirs, False, source)
if (val == -1):
return -1
if (val == 0):
return 0
if (val == 1):
log.info("Reboot required to rebuild overlay directories")
return 0
def overlay_create(self, cn, dirs, source):
val = self._overlay(cn, dirs, False, source)
if (val == -1):
return -1
if (val == 0):
return 0
if (val == 1):
log.info("Reboot required to rebuild overlay directories")
return 0
def overlay_stop(self, cn, dirs):
# Checking container status, overlay available
val = self._overlay(cn, dirs, True)
if (val == -1):
return -1
if (val == 0):
return 0
if (val == 1):
log.info("Reboot required to rebuild overlay directories")
return 0
def overlay_stop(self, cn, dirs):
# Checking container status, overlay available
val = self._overlay(cn, dirs, True)
if (val == -1):
return -1
if (val == 0):
return 0
if (val == 1):
log.info("Reboot required to rebuild overlay directories")
return 0
def _overlay(self, cn, dirs, restore, sources=None):
# Pararmeter check
retval = 0
if (dirs == None):
log.error("No dirs in parameter")
return -1
if (restore == False):
if (sources == None):
log.error("No sources in parameter")
return -1
else: # Check source container name
for cn0 in sources.split(','):
if (cn0 == cn):
log.error("Can not set same container in source list")
return -1
# check if overlay dir exists, ex /var/lib/lxc/dom0/rootfs/usr_temp
for oldir in dirs.split(','):
temppath = "%s/%s/rootfs%s_temp" % (CONTAINER_MOUNT, cn, oldir)
fullpath = "%s/%s/rootfs%s" % (CONTAINER_MOUNT, cn, oldir)
if (restore == True): # Stop an overlay,
if (os.path.isdir(temppath) == False): #no such dir
log.error("%s:not an overlay-ed dir in container" %
(oldir))
return -1
else: # Create an overlay
if (os.path.isdir(temppath) == True): # already overlay dir
log.error("%s:already an overlay-ed dir in container" %
(oldir))
return -1
# Insert request into lxc.service
lxcfile = '%s/overlayrestore' % (CONTAINER_MOUNT)
lxc = open(lxcfile, 'a+')
lines = lxc.readlines().decode("utf-8").strip("\n")
found = 0
for oldir in dirs.split(','):
basepara = "%s %s" % (cn, oldir)
for line in lines:
if (line.find(basepara) != -1):
found = 1
break
if (found == 0):
if (restore == True):
cmdline = "/etc/lxc/overlayrestore %s\n" % basepara
else:
cmdline = "/etc/lxc/overlaycreate %s %s\n" % (basepara,
sources)
lxc.write(cmdline)
retval = 1
else:
log.info("%s already in overlay rebuild list, ignored" %
basepara)
lxc.close()
return retval
def host_update(self):
rc = 0
try:
self.message += subprocess.check_output("cube-cmd dnf updateinfo --refresh", stderr=subprocess.STDOUT, shell=True).decode("utf-8").strip("\n")
except subprocess.CalledProcessError as e:
rc = e.returncode
self.message += e.output.decode("utf-8").strip()
if rc == 0:
log.info(self.message)
else:
log.error(self.message)
return rc
def _host_upgrade(self, reboot, force):
rc = False
if self._need_upgrade() or force:
rc = self.agency.do_upgrade()
self.message = self.agency.message
else:
self.message = "There is no new system available to upgrade!"
log.info(self.message)
return True
if reboot:
log.info("rebooting...")
os.system('reboot')
return rc
def _overlay(self, cn, dirs, restore, sources=None):
# Pararmeter check
retval = 0
if (dirs == None):
log.error("No dirs in parameter")
return -1
if (restore == False):
if (sources == None):
log.error("No sources in parameter")
return -1
else: # Check source container name
for cn0 in sources.split(','):
if (cn0 == cn):
log.error("Can not set same container in source list")
return -1
# check if overlay dir exists, ex /var/lib/lxc/dom0/rootfs/usr_temp
for oldir in dirs.split(','):
temppath="%s/%s/rootfs%s_temp" % (CONTAINER_MOUNT,cn,oldir)
fullpath="%s/%s/rootfs%s" % (CONTAINER_MOUNT,cn,oldir)
if (restore == True): # Stop an overlay,
if (os.path.isdir(temppath) == False): #no such dir
log.error("%s:not an overlay-ed dir in container" % (oldir))
return -1
else: # Create an overlay
if (os.path.isdir(temppath) == True): # already overlay dir
log.error("%s:already an overlay-ed dir in container" % (oldir))
return -1
# Insert request into lxc.service
lxcfile = '%s/overlayrestore' % (CONTAINER_MOUNT)
lxc = open(lxcfile, 'a+')
lines=lxc.readlines().decode("utf-8").strip("\n")
found = 0
for oldir in dirs.split(','):
basepara = "%s %s" % (cn,oldir)
for line in lines:
if (line.find(basepara) != -1):
found = 1
break
if (found == 0):
if (restore == True):
cmdline = "/etc/lxc/overlayrestore %s\n" % basepara
else:
cmdline = "/etc/lxc/overlaycreate %s %s\n" % (basepara, sources)
lxc.write(cmdline)
retval = 1
else:
log.info("%s already in overlay rebuild list, ignored" % basepara)
lxc.close()
return retval
def run_script(self, template, args, failok=False, liveoutput=True):
fname = CONTAINER_SCRIPT_PATH + "/" + template
if not os.path.isfile(fname):
self.message = "Error! Missing file: %s" % fname
return 1
cmd = "%s %s" % (fname, args)
process = Process()
retval = process.run(cmd, liveoutput)
self.message = process.message
if retval is 0:
log.info("%s ok" % fname)
elif not failok:
log.error("%s failed" % fname)
return retval
def host_rollback(self):
if self.bakup_mode:
self.message = "You are running in the backup mode, cannot do rollback!"
log.error(self.message)
return False
log.info("Start doing host rollback")
r = self.agency.do_rollback()
self.message = self.agency.message
if r:
os.system('reboot')
else:
log.error(self.message)
return False
def host_rollback(self):
if self.bakup_mode:
self.message = "You are running in the backup mode, cannot do rollback!"
log.error(self.message)
return False
log.info("Start doing host rollback")
r = self.agency.do_rollback()
self.message = self.agency.message
if r:
os.system('reboot')
else:
log.error(self.message)
return False
def run_script(self, template, args, failok=False, liveoutput=True):
fname = CONTAINER_SCRIPT_PATH + "/" + template
if not os.path.isfile(fname):
self.message = "Error! Missing file: %s" % fname
return 1
cmd = "%s %s" % (fname, args)
process = Process()
retval = process.run(cmd, liveoutput)
self.message = process.message
if retval is 0:
log.info("%s ok" % fname)
elif not failok:
log.error("%s failed" % fname)
return retval
def _host_upgrade(self, reboot, force):
rc = False
if self._need_upgrade() or force:
rc = self.agency.do_upgrade()
self.message = self.agency.message
else:
self.message = "There is no new system available to upgrade!"
log.info(self.message)
return True
if reboot:
log.info("rebooting...")
os.system('reboot')
return rc
def host_update(self):
rc = 0
try:
self.message += subprocess.check_output(
"cube-cmd dnf updateinfo --refresh",
stderr=subprocess.STDOUT,
shell=True).decode("utf-8").strip("\n")
except subprocess.CalledProcessError as e:
rc = e.returncode
self.message += e.output.decode("utf-8").strip()
if rc == 0:
log.info(self.message)
else:
log.error(self.message)
return rc
def _system_upgrade(self, template, reboot, force, skipscan, skip_del):
containers = self.container.get_container(template)
overlay_flag = 0
# By now only support "Pulsar" and "overc" Linux upgrading
DIST = "Pulsar overc"
succeeded = []
for cn in containers:
self.retval = 0
if self.container.is_active(cn, template):
for dist in DIST.split():
if dist in self.container.get_issue(cn, template).split():
log.info("Updating container %s" % cn)
self._container_upgrade(
cn, template, True, False,
skip_del) #by now only rpm upgrade support
if self.retval is not 0:
log.error("*** Failed to upgrade container %s" %
cn)
log.error("*** Abort the system upgrade action")
break
else:
succeeded.append(cn)
if self.container.is_overlay(cn) > 0:
overlay_flag = 1
break
if self.retval is not 0:
break
if self.retval is not 0:
for cn in succeeded:
self._container_rollback(cn, None, template, True)
sys.exit(self.retval)
rc = self._host_upgrade(0, force)
if ((overlay_flag == 1) and (skipscan == 0) and (rc == 1)):
# Enable lxc-overlay service in essential by create a flagfile in CONTAINER_MOUNT
lxcfile = '%s/need_scan_duplicate' % (CONTAINER_MOUNT)
lxc = open(lxcfile, 'w+')
lxc.close()
if ((rc == 1) and (reboot != 0)):
log.info("rebooting...")
os.system('reboot')
def _system_upgrade(self, template, reboot, force, skipscan, skip_del):
containers = self.container.get_container(template)
overlay_flag = 0
# By now only support "Pulsar" and "overc" Linux upgrading
DIST = "Pulsar overc"
succeeded = []
for cn in containers:
self.retval = 0
if self.container.is_active(cn, template):
for dist in DIST.split():
if dist in self.container.get_issue(cn, template).split():
log.info("Updating container %s" % cn)
self._container_upgrade(cn, template, True, False, skip_del) #by now only rpm upgrade support
if self.retval is not 0:
log.error("*** Failed to upgrade container %s" % cn)
log.error("*** Abort the system upgrade action")
break
else:
succeeded.append(cn)
if self.container.is_overlay(cn) > 0:
overlay_flag = 1
break
if self.retval is not 0:
break
if self.retval is not 0:
for cn in succeeded:
self._container_rollback(cn, None, template, True)
sys.exit(self.retval)
rc = self._host_upgrade(0, force)
if ((overlay_flag == 1) and (skipscan == 0) and (rc == 1)):
# Enable lxc-overlay service in essential by create a flagfile in CONTAINER_MOUNT
lxcfile = '%s/need_scan_duplicate' % (CONTAINER_MOUNT)
lxc = open(lxcfile, 'w+')
lxc.close()
if ((rc == 1) and (reboot != 0)):
log.info("rebooting...")
os.system('reboot')
def system_rollback(self):
containers = self.container.get_container(self.args.template)
# By now only support "Pulsar" and "overc" Linux rollback
DIST = "Pulsar overc"
need_reboot=False
for cn in containers:
if self.container.is_active(cn, self.args.template):
for dist in DIST.split():
if dist in self.container.get_issue(cn, self.args.template).split():
log.info("Rollback container %s" % cn)
self._container_rollback(cn, None, self.args.template, True)
if self.retval is not 0:
log.error("*** Failed to rollback container %s" % cn)
else:
need_reboot=True
break
self.host_rollback()
if need_reboot:
log.info("rebooting...")
os.system('reboot')
def container_upgrade(self):
# Perform overlay check fist
overlaylist = self.container.get_overlay(self.args.name)
if len(overlaylist)>0:
log.info("Container %s has overlayed dir, including" % self.args.name)
log.info(overlaylist)
log.info("This container can only be upgraded via a system upgrade")
self.retval = 0
else:
self._container_upgrade(self.args.name, self.args.template, self.args.rpm, self.args.image, self.args.skip_del)
sys.exit(self.retval)
def container_upgrade(self):
# Perform overlay check fist
overlaylist = self.container.get_overlay(self.args.name)
if len(overlaylist) > 0:
log.info("Container %s has overlayed dir, including" %
self.args.name)
log.info(overlaylist)
log.info(
"This container can only be upgraded via a system upgrade")
self.retval = 0
else:
self._container_upgrade(self.args.name, self.args.template,
self.args.rpm, self.args.image,
self.args.skip_del)
sys.exit(self.retval)
def _container_overlay_list(self, container):
# List overlay dir in container
log.info("overlayed directories in %s including:" % container)
log.info(",".join(self.container.get_overlay(container)))
def host_status(self):
log.info("host status")
def host_status(self):
log.info("host status")
def _container_overlay_list(self, container):
# List overlay dir in container
log.info("overlayed directories in %s including:" % container)
log.info(",".join(self.container.get_overlay(container)))
