def remove_saved_machine_config(cls):
#removes previously saved configuration
cfg = None
try:
with open("/tmp/.lnst_machine_conf", "rb") as f:
cfg = cPickle.load(f)
except:
logging.info("No previous configuration found.")
return
if cfg:
logging.info("Cleaning up leftover configuration from previous "\
"config_only run.")
for hostname, machine in cfg["machines"].iteritems():
port = lnst_config.get_option("environment", "rpcport")
if test_tcp_connection(hostname, port):
s = socket.create_connection((hostname, port))
rpc_con = CtlSecSocket(s)
try:
rpc_con.handshake(machine["security"])
except SecSocketException:
logging.error("Failed authentication for machine %s" %\
hostname)
continue
rpc_msg = {
"type": "command",
"method_name": "machine_cleanup",
"args": []
}
logging.debug("Calling cleanup on slave '%s'" % hostname)
rpc_con.send_msg(rpc_msg)
while True:
msg = rpc_con.recv_msg()
if msg['type'] == 'result':
break
rpc_con.close()
if "libvirt_dom" in machine:
libvirt_dom = machine["libvirt_dom"]
domain_ctl = VirtDomainCtl(libvirt_dom)
logging.info("Detaching dynamically created interfaces.")
for i in machine["interfaces"]:
try:
domain_ctl.detach_interface(i)
except:
pass
logging.info("Removing dynamically created bridges.")
for br in cfg["bridges"]:
try:
net_ctl = VirtNetCtl(br)
net_ctl.cleanup()
except:
pass
os.remove("/tmp/.lnst_machine_conf")
def remove_saved_machine_config(cls):
#removes previously saved configuration
cfg = None
try:
with open("/tmp/.lnst_machine_conf", "rb") as f:
cfg = cPickle.load(f)
except:
logging.info("No previous configuration found.")
return
if cfg:
logging.info("Cleaning up leftover configuration from previous "\
"config_only run.")
for hostname, machine in cfg["machines"].iteritems():
port = lnst_config.get_option("environment", "rpcport")
if test_tcp_connection(hostname, port):
s = socket.create_connection((hostname, port))
rpc_con = CtlSecSocket(s)
try:
rpc_con.handshake(machine["security"])
except SecSocketException:
logging.error("Failed authentication for machine %s" %\
hostname)
continue
rpc_msg= {"type": "command",
"method_name": "machine_cleanup",
"args": []}
logging.debug("Calling cleanup on slave '%s'" % hostname)
rpc_con.send_msg(rpc_msg)
while True:
msg = rpc_con.recv_msg()
if msg['type'] == 'result':
break
rpc_con.close()
if "libvirt_dom" in machine:
libvirt_dom = machine["libvirt_dom"]
domain_ctl = VirtDomainCtl(libvirt_dom)
logging.info("Detaching dynamically created interfaces.")
for i in machine["interfaces"]:
try:
domain_ctl.detach_interface(i)
except:
pass
logging.info("Removing dynamically created bridges.")
for br in cfg["bridges"]:
try:
net_ctl = VirtNetCtl(br)
net_ctl.cleanup()
except:
pass
os.remove("/tmp/.lnst_machine_conf")
def _get_suitable_interfaces(self, hostname, port):
"""
Calls all functions, which are used by both interactive and
noninteractive mode to get list of suitable interfaces. The list is
saved to variable msg.
"""
if not test_tcp_connection(hostname, port):
sys.stderr.write("Host destination '%s:%s' unreachable.\n"
% (hostname, port))
return False
if not self._connect_and_configure_machine(hostname, port):
return False
msg = self._get_device_ifcs(hostname, port)
self._msg_dispatcher.disconnect_slave(1)
return msg
def add_file(self, filepath):
if os.path.isfile(filepath) and re.search("\.xml$", filepath, re.I):
dirname, basename = os.path.split(filepath)
m_id = re.sub("\.[xX][mM][lL]$", "", basename)
parser = SlaveMachineParser(filepath)
xml_data = parser.parse()
machine_spec = self._process_machine_xml_data(m_id, xml_data)
# Check if there isn't any machine with the same
# hostname or libvirt_domain already in the pool
for pm_id, m in self._pool.iteritems():
pm = m["params"]
rm = machine_spec["params"]
if pm["hostname"] == rm["hostname"]:
msg = "You have the same machine listed twice in " "your pool ('%s' and '%s')." % (m_id, pm_id)
raise SlaveMachineError(msg)
if "libvirt_domain" in rm and "libvirt_domain" in pm and pm["libvirt_domain"] == rm["libvirt_domain"]:
msg = "You have the same libvirt_domain listed twice in " "your pool ('%s' and '%s')." % (
m_id,
pm_id,
)
raise SlaveMachineError(msg)
if self._pool_checks:
available = False
hostname = machine_spec["params"]["hostname"]
if "rpc_port" in machine_spec["params"]:
port = machine_spec["params"]["rpc_port"]
else:
port = lnst_config.get_option("environment", "rpcport")
logging.debug("Querying machine '%s': %s:%s" % (m_id, hostname, port))
if test_tcp_connection(hostname, port):
available = True
if "libvirt_domain" in machine_spec["params"] and not self._allow_virt:
logging.debug("libvirtd not running. Removing " "libvirt_domain from machine '%s'" % m_id)
del machine_spec["params"]["libvirt_domain"]
if available:
self._pool[m_id] = machine_spec
return (m_id, available)
def add_file(self, filepath):
if os.path.isfile(filepath) and re.search("\.xml$", filepath, re.I):
dom_init = XmlDomTreeInit()
dom = dom_init.parse_file(filepath)
dirname, basename = os.path.split(filepath)
parser = SlaveMachineParse()
parser.set_include_root(dirname)
parser.disable_events()
machine = {"params": {}, "interfaces": {}}
m_id = re.sub("\.[xX][mM][lL]$", "", basename)
parser.set_machine(m_id, machine)
slavemachine = dom.getElementsByTagName("slavemachine")[0]
parser.parse(slavemachine)
if self._pool_checks:
hostname = machine["params"]["hostname"]
if "rpcport" in machine:
port = machine["params"]["rpcport"]
else:
port = lnst_config.get_option('environment', 'rpcport')
logging.info("Querying slave machine %s." % m_id)
if not test_tcp_connection(hostname, port):
msg = "Machine '%s' not responding. Skipping." % m_id
logging.warning(msg)
return
if 'libvirt_domain' in machine['params'] and \
not self._allow_virt:
msg = "libvird not running. Skipping machine '%s'." % m_id
logging.warning(msg)
logging.info("Adding slave machine %s to slave pool." % m_id)
self._pool[m_id] = machine
def add_file(self, filepath):
if os.path.isfile(filepath) and re.search("\.xml$", filepath, re.I):
dom_init = XmlDomTreeInit()
dom = dom_init.parse_file(filepath)
dirname, basename = os.path.split(filepath)
parser = SlaveMachineParse()
parser.set_include_root(dirname)
parser.disable_events()
machine = {"params": {}, "interfaces": {}}
m_id = re.sub("\.[xX][mM][lL]$", "", basename)
parser.set_machine(m_id, machine)
slavemachine = dom.getElementsByTagName("slavemachine")[0]
parser.parse(slavemachine)
if self._pool_checks:
hostname = machine["params"]["hostname"]
if "rpcport" in machine:
port = machine["params"]["rpcport"]
else:
port = lnst_config.get_option("environment", "rpcport")
logging.info("Querying slave machine %s." % m_id)
if not test_tcp_connection(hostname, port):
msg = "Machine '%s' not responding. Skipping." % m_id
logging.warning(msg)
return
if "libvirt_domain" in machine["params"] and not self._allow_virt:
msg = "libvird not running. Skipping machine '%s'." % m_id
logging.warning(msg)
logging.info("Adding slave machine %s to slave pool." % m_id)
self._pool[m_id] = machine
