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")