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")
