def stop_instance(self, **args):
if "name" not in args or not args["name"]:
return {"message": "Domain name not specified !", "code": 1}
domain = args["name"]
if not utils.domain_exists(domain):
return {"message": "Domain %s not found !" % domain, "code": 1}
stat = utils.domain_stat(domain)
if "shut off" in stat:
return {
"message": "Domain %s already stopped !" % domain,
"code": 0
}
virshcmd = "virsh destroy %s" % domain
pipe = Popen(virshcmd, shell=True, stdout=PIPE, stderr=PIPE)
err = pipe.stderr.read()
info = pipe.stdout.read()
log.debug("Stop domain %s: %s %s" % (domain, err, info))
if info and "Domain %s destroyed" % domain in info:
return {"message": "Domain %s stopped !" % domain, "code": 0}
else:
return {
"message": "Fail to stop Domain %s: %s" % (domain, err),
"code": 1
}
def attach_volume(self, **args):
if "instance_name" not in args or not args["instance_name"]:
return {"message": "Domain name not specified", "code": 1}
instance_name = args["instance_name"]
domain_exists = utils.domain_exists(instance_name)
if not domain_exists:
return {
"message": "Domain %s not found" % instance_name,
"code": 1
}
stat = utils.domain_stat(instance_name)
live = "shut off" not in stat
if "name" not in args or not args["name"]:
return {"message": "Volume name not specified", "code": 1}
name = args["name"]
target = "%s%s%s%s.xml" % (config.instance_data, instance_name, os.sep,
name)
if not os.path.exists(target):
return {"message": "Volume %s xml not found" % name, "code": 1}
volume_config = open(target).read()
log.debug("Volume: %s" % volume_config)
if "TARGET" in volume_config:
device = utils.get_available_blk_target(instance_name)
volume_config, count = re.subn("'vd[a-z]'|'TARGET'",
"'%s'" % device, volume_config)
log.debug(volume_config)
utils.persist(volume_config, target)
virshcmd = "virsh attach-device \
--domain %s --file %s \
--config %s" % (instance_name, target,
"--live" if live else "")
pipe = Popen(virshcmd, shell=True, stdout=PIPE, stderr=PIPE)
err = pipe.stderr.read()
info = pipe.stdout.read()
log.debug("Attach Disk with command '%s', and system output:'%s %s'" %
(virshcmd, err, info))
if info and "Device attached successfully" in info:
return {
"message":
"Volume %s attached to domain %s" % (name, instance_name),
"code":
0
}
else:
return {
"message":
"Fail to attach %s to domain %s" % (name, instance_name),
"code": 1
}
def detach_volume(self, **args):
if "instance_name" not in args or not args["instance_name"]:
return {"message": "Domain name not specified", "code": 1}
instance_name = args["instance_name"]
domain_exists = utils.domain_exists(instance_name)
if not domain_exists:
return {
"message": "Domain %s not found" % instance_name,
"code": 1
}
stat = utils.domain_stat(instance_name)
live = "shut off" not in stat
if "name" not in args or not args["name"]:
return {"message": "Volume name not specified", "code": 1}
name = args["name"]
target = "%s%s%s%s.xml" % (config.instance_data, instance_name, os.sep,
name)
if not os.path.exists(target):
return {"message": "Volume %s xml not found" % name, "code": 1}
if not self.__volume_attached(instance_name, name):
return {"message": "Volume %s already detached" % name, "code": 0}
virshcmd = "virsh detach-device \
--domain %s --file %s \
--config %s" % (instance_name, target,
"--live" if live else "")
pipe = Popen(virshcmd, shell=True, stdout=PIPE, stderr=PIPE)
err = pipe.stderr.read()
info = pipe.stdout.read()
log.debug("Detach volume %s from domain %s: %s %s" %
(name, instance_name, err, info))
if info and "Device detached successfully" in info:
return {
"message":
"Volume %s detached from domain %s" % (name, instance_name),
"code":
0
}
else:
return {
"message":
"Fail to detach volume %s from domain %s" %
(name, instance_name),
"code":
1
}
def __update_cdrom(self, domain, cdrom):
domain_stat = utils.domain_stat(domain)
live = "shut off" not in domain_stat
virshcmd = "virsh update-device \
--domain %s \
--file %s --config %s" % (domain, cdrom,
"--live" if live else "")
pipe = Popen(virshcmd, shell=True, stdout=PIPE, stderr=PIPE)
info = pipe.stdout.read()
erro = pipe.stderr.read()
if info and "Device updated successfully" in info:
return True
else:
log.warn("Fail to update %s with %s: %s" % (domain, cdrom, erro))
return False
def openVNC(self, **args):
if "name" not in args or not args["name"]:
return {"message": "Domain not specified", "code": 1}
name = args["name"]
if not utils.domain_exists(name):
return {"message": "Domain not found", "code": 1}
if "running" not in utils.domain_stat(name):
return {"message": "Domain not running", "code": 1}
getDomainUUID = "virsh domuuid %s" % name
result = Popen(getDomainUUID, shell=True, stdout=PIPE).stdout.read()
guest_uuid = result.strip()
vnc_port = self.__get_vncport(name)["vnc_port"]
host = getLocalIP()
request = {
"action": "gen_token",
"guest_uuid": guest_uuid,
"host": host,
"port": vnc_port
}
result = None
try:
fd = urllib.urlopen(config.vnc_gentoken_endpoint,
json.dumps(request))
result = fd.read()
fd.close()
except Exception:
message = "Vnc token service not ready !"
log.warn(message)
return {"message": message, "code": 1}
if "token" in result:
result = json.loads(result)
result.update({"code": 0, "message": "SUCCESS"})
return result
else:
return {
"code": 1,
"message": "Fails for vnc token service: %s" % result
}
def attach_volume(self, **args):
if "instance_name" not in args or not args["instance_name"]:
return {"message": "Domain name not specified", "code": 1}
instance_name = args["instance_name"]
domain_exists = utils.domain_exists(instance_name)
if not domain_exists:
return {"message": "Domain %s not found" % instance_name, "code": 1}
stat = utils.domain_stat(instance_name)
live = "shut off" not in stat
if "name" not in args or not args["name"]:
return {"message": "Volume name not specified", "code": 1}
name = args["name"]
target = "%s%s%s%s.xml" % (config.instance_data, instance_name, os.sep, name)
if not os.path.exists(target):
return {"message": "Volume %s xml not found" % name, "code": 1}
volume_config = open(target).read()
log.debug("Volume: %s" % volume_config)
if "TARGET" in volume_config:
device = utils.get_available_blk_target(instance_name)
volume_config, count = re.subn("'vd[a-z]'|'TARGET'", "'%s'" % device, volume_config)
log.debug(volume_config)
utils.persist(volume_config, target)
virshcmd = "virsh attach-device \
--domain %s --file %s \
--config %s" % (instance_name, target, "--live" if live else "")
pipe = Popen(virshcmd, shell=True, stdout=PIPE, stderr=PIPE)
err = pipe.stderr.read()
info = pipe.stdout.read()
log.debug("Attach Disk with command '%s', and system output:'%s %s'" % (virshcmd, err, info))
if info and "Device attached successfully" in info:
return {"message": "Volume %s attached to domain %s" % (name, instance_name), "code": 0}
else:
return {"message": "Fail to attach %s to domain %s" % (name, instance_name), "code": 1}
def detach_volume(self, **args):
if "instance_name" not in args or not args["instance_name"]:
return {"message": "Domain name not specified", "code": 1}
instance_name = args["instance_name"]
domain_exists = utils.domain_exists(instance_name)
if not domain_exists:
return {"message": "Domain %s not found" % instance_name, "code": 1}
stat = utils.domain_stat(instance_name)
live = "shut off" not in stat
if "name" not in args or not args["name"]:
return {"message": "Volume name not specified", "code": 1}
name = args["name"]
target = "%s%s%s%s.xml" % (config.instance_data, instance_name, os.sep, name)
if not os.path.exists(target):
return {"message": "Volume %s xml not found" % name, "code": 1}
if not self.__volume_attached(instance_name, name):
return {"message": "Volume %s already detached" % name, "code": 0}
virshcmd = "virsh detach-device \
--domain %s --file %s \
--config %s" % (instance_name, target, "--live" if live else "")
pipe = Popen(virshcmd, shell=True, stdout=PIPE, stderr=PIPE)
err = pipe.stderr.read()
info = pipe.stdout.read()
log.debug("Detach volume %s from domain %s: %s %s" % (name, instance_name, err, info))
if info and "Device detached successfully" in info:
return {"message": "Volume %s detached from domain %s" % (name, instance_name), "code": 0}
else:
return {"message": "Fail to detach volume %s from domain %s" % (name, instance_name), "code": 1}
def test_domain_stat(domain):
print utils.domain_stat(domain)
def test_domain_stat(domain):
print utils.domain_stat(domain)