def startup(self):
"""
Start a new namespace node by invoking the vnoded process that
allocates a new namespace. Bring up the loopback device and set
the hostname.
:return: nothing
"""
if self.up:
raise Exception("already up")
vnoded = [
"%s/vnoded" % constants.CORE_SBIN_DIR, "-v", "-c",
self.ctrlchnlname, "-l", self.ctrlchnlname + ".log", "-p",
self.ctrlchnlname + ".pid"
]
if self.nodedir:
vnoded += ["-C", self.nodedir]
env = self.session.get_environment(state=False)
env["NODE_NUMBER"] = str(self.objid)
env["NODE_NAME"] = str(self.name)
try:
tmp = subprocess.Popen(vnoded, stdout=subprocess.PIPE, env=env)
except OSError:
msg = "error running vnoded command: %s" % vnoded
logger.exception("SimpleLxcNode.startup(): %s", msg)
raise Exception(msg)
try:
self.pid = int(tmp.stdout.read())
tmp.stdout.close()
except ValueError:
msg = "vnoded failed to create a namespace; "
msg += "check kernel support and user priveleges"
logger.exception("SimpleLxcNode.startup(): %s", msg)
if tmp.wait():
raise Exception("command failed: %s" % vnoded)
self.vnodeclient = vnodeclient.VnodeClient(self.name,
self.ctrlchnlname)
logger.info("bringing up loopback interface")
self.cmd([constants.IP_BIN, "link", "set", "lo", "up"])
logger.info("setting hostname: %s" % self.name)
self.cmd(["hostname", self.name])
self.up = True
def startup(self):
"""
Start a new namespace node by invoking the vnoded process that
allocates a new namespace. Bring up the loopback device and set
the hostname.
:return: nothing
"""
if self.up:
raise ValueError("starting a node that is already up")
# create a new namespace for this node using vnoded
vnoded = [
constants.VNODED_BIN,
"-v",
"-c", self.ctrlchnlname,
"-l", self.ctrlchnlname + ".log",
"-p", self.ctrlchnlname + ".pid"
]
if self.nodedir:
vnoded += ["-C", self.nodedir]
env = self.session.get_environment(state=False)
env["NODE_NUMBER"] = str(self.objid)
env["NODE_NAME"] = str(self.name)
output = utils.check_cmd(vnoded, env=env)
self.pid = int(output)
# create vnode client
self.client = vnodeclient.VnodeClient(self.name, self.ctrlchnlname)
# bring up the loopback interface
logger.debug("bringing up loopback interface")
self.check_cmd([constants.IP_BIN, "link", "set", "lo", "up"])
# set hostname for node
logger.debug("setting hostname: %s", self.name)
self.check_cmd(["hostname", self.name])
# mark node as up
self.up = True