xentaur

annotate xentaur.py @ 65:cf823d27b029

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Nattaur changes
author nata@nattaur
date Mon Oct 12 00:12:11 2009 +0300 (2009-10-12)
parents 07c6777758dc
children aaf034af3a35
rev   line source
igor@0 1 #!/usr/bin/python
igor@60 2 # vim: set fileencoding=utf-8 :
igor@0 3
igor@2 4 import sys,os,time
igor@35 5
nata@65 6 xentaur_path="/xentaur/xentaur"
igor@35 7
igor@0 8 sys.path.append('/etc/xen')
igor@35 9 sys.path.append(xentaur_path)
igor@63 10 sys.path.append('.')
igor@11 11
igor@56 12 node_object={}
igor@56 13 link_object={}
igor@56 14 bridge_object={}
igor@56 15
nata@65 16 network='multicast'
nata@65 17 domain='dyn1'
igor@62 18
igor@61 19 #network='snrs'
igor@61 20 #domain='dyn1'
igor@35 21 from xendomain import *
igor@35 22
igor@29 23 bridges_turned_down=[]
igor@29 24
igor@0 25 from IPython.Shell import IPShellEmbed
igor@0 26
igor@2 27
nata@65 28 screenrc=".screenrc_xentaur_"+network
nata@65 29 path_shapes='/xentaur/xentaur/shapes'
igor@2 30
igor@10 31 def run(program, *args):
igor@10 32 pid = os.fork()
igor@10 33 if not pid:
igor@10 34 os.execvp(program, (program,) + args)
igor@10 35 return os.wait()[0]
igor@10 36
igor@10 37 def run_command(line):
igor@10 38 #cmds=line.split()
igor@10 39 #run(cmds[0],*cmds[1:])
igor@10 40 run("/bin/sh", "-c", line)
igor@10 41
igor@23 42 def run_command_return_stdout(line):
igor@23 43 p = os.popen(line)
igor@23 44 output = p.read()
igor@23 45 p.close()
igor@23 46 return output
igor@23 47
igor@49 48 ################################################################################
igor@49 49 #Xentaur command-line commands
igor@49 50
igor@49 51 ## Start
igor@49 52
igor@49 53 def start_bridges():
igor@38 54 unbound_bridges=set(bridges)-set(real_bridges)
igor@56 55 script=""
igor@56 56 script="\n".join(map(lambda x: "sudo brctl show | awk '{print $1}' | grep -qx "+x+" || sudo brctl addbr "+x, unbound_bridges))
igor@56 57 script+="\n"+"\n".join(map(lambda x: "sudo brctl stp "+x+" off", unbound_bridges))
igor@56 58 script+="\n"+"\n".join(map(lambda x: "sudo ip link set "+x+" up", unbound_bridges))
igor@0 59
igor@0 60 print """#!/bin/sh
igor@0 61 # create unbound bridges
igor@56 62 %s
igor@56 63 """ % (script)
igor@0 64
igor@49 65 def start_domain(domain):
igor@49 66 print "sudo xm create "+xentaur_path+"/xendomain.py "+" domain="+domain+" network="+network+" && sleep 1 && sudo xm sched-credit -d $(sudo xm list | grep "+domain+" | awk '{print $2}') -c 10 && sleep 1"
igor@0 67
igor@49 68 def start_domains(doms=domains):
igor@49 69 for domain in doms:
igor@38 70 if not domain in real_nodes:
igor@49 71 start_domain(domain)
igor@0 72
igor@49 73 def start_all():
igor@49 74 graph()
igor@49 75 screen()
igor@49 76 start_bridges()
igor@49 77 start_domains()
igor@49 78
igor@49 79 ## Stop
igor@49 80
igor@49 81 def stop_domain(domain,wait=0):
igor@49 82 if wait:
igor@49 83 print "sudo xm shutdown -w "+domain
igor@49 84 else:
igor@49 85 print "sudo xm shutdown "+domain
igor@49 86
igor@49 87 def stop_domains(doms=domains, wait=0):
igor@49 88 for domain in doms:
igor@38 89 if not domain in real_nodes:
igor@49 90 stop_domain(domain,wait)
igor@0 91
igor@49 92 def stop_bridges():
igor@49 93 ###FIXME###
igor@49 94 return 0
igor@49 95
igor@49 96 def stop_all(wait=0):
igor@49 97 stop_domains(domains, wait)
igor@49 98 stop_bridges()
igor@49 99
igor@49 100 def restart_all():
igor@49 101 stop_all(1)
igor@49 102 start_all()
igor@49 103
igor@56 104 ####################################################
igor@56 105
igor@56 106 def create_objects():
igor@56 107 create_node_objects()
igor@56 108 create_bridge_objects()
igor@56 109 create_link_objects()
igor@56 110
igor@56 111 def create_node_objects():
igor@56 112 for dom in domains:
igor@56 113 node_object[dom]=Node(dom)
igor@56 114
igor@56 115 def create_bridge_objects():
igor@56 116 for bridge in bridges:
igor@56 117 bridge_object[bridge]=Bridge(bridge)
igor@56 118
igor@56 119 def create_link_objects():
igor@56 120
igor@56 121 for node, bridges_raw in vbridges_table.iteritems():
igor@56 122 interface=0
igor@56 123 j=0
igor@56 124 for this_bridge in bridges_raw:
igor@56 125 int_label=""
igor@56 126 if this_bridge.find(':') != -1:
igor@56 127 res = this_bridge.split(':')
igor@56 128 this_bridge= res[0]
igor@56 129 bridges_raw[j] = this_bridge
igor@56 130 int_label = res[1]
igor@56 131 if not [ node, bridges_raw.index(this_bridge), this_bridge ] in temporary_links:
igor@56 132 name="%s %s %s" % (node,interface,this_bridge)
igor@56 133 link_object[name]=Link(name,node,interface,this_bridge,int_label)
igor@56 134 interface+=1
igor@56 135 vbridges_table[node]=bridges_raw
igor@56 136
igor@56 137 for node, bridges_raw in bridge_bridge_table.iteritems():
igor@56 138 interface=0
igor@56 139 j=0
igor@56 140 for this_bridge in bridges_raw:
igor@56 141 int_label=""
igor@56 142 if this_bridge.find(':') != -1:
igor@56 143 res = this_bridge.split(':')
igor@63 144 this_bridge= res[2]
igor@56 145 bridges_raw[j] = this_bridge
igor@56 146 int_label = res[1]
igor@56 147 if not [ node, bridges_raw.index(this_bridge), this_bridge ] in temporary_links:
igor@56 148 name="%s %s %s" % (node,interface,this_bridge)
igor@56 149 link_object[name]=Link(name,node,interface,this_bridge,int_label)
igor@56 150 interface+=1
igor@56 151 bridge_bridge_table[node]=bridges_raw
igor@56 152
igor@56 153 for node,interface,bridge in temporary_links:
igor@56 154 name="%s %s %s" % (node,interface,bridge)
igor@56 155 link_object[name]=Link(name,node,interface,this_bridge)
igor@56 156
igor@56 157 for node,interface,bridge in broken_links:
igor@56 158 name="%s %s %s" % (node,interface,bridge)
igor@56 159 link_object[name]=Link(name,node,interface,this_bridge)
igor@56 160
igor@56 161
igor@56 162 ####################################################
igor@56 163
igor@49 164 def screen():
igor@60 165 wait_seconds=1
igor@0 166 screens=[]
igor@0 167 for domain in domains:
igor@56 168 screens.append("screen -t %s %s sh -c 'while true; do %s ; echo Retrying in %s secods...; sleep %s ; clear; done'" %
igor@60 169 (domain,domains.index(domain)+1,node_object[domain].console_string(),wait_seconds,wait_seconds))
igor@0 170 screenlist="\n".join(screens)
igor@0 171
igor@49 172 hardstatus='hardstatus string "%{rk}Xentaur%{bk}@%H %{gk}%c %{yk}%d.%m %{wk}%?%-Lw%?%{bw}%n*%f%t%?(%u)%?%{wk}%?%+Lw%?"'
igor@10 173
igor@11 174 f=open(screenrc, "w");
igor@10 175 f.write("""
igor@2 176 hardstatus on
igor@2 177 hardstatus alwayslastline
igor@49 178 %s
igor@2 179
nata@65 180 screen -t console 0 sh -c 'while true; do %s/xentaur.py shell ; echo Retrying in %s secods...; sleep %s ; clear; done'
igor@10 181 %s
nata@65 182 """ % (hardstatus,xentaur_path,wait_seconds,wait_seconds,screenlist))
igor@10 183 f.close()
igor@49 184 print "# GNU Screen config file is written to: %s" % screenrc
igor@0 185
igor@0 186 def graph():
igor@0 187 nodelist=""
igor@0 188 bridgelist=""
igor@0 189 linklist=""
igor@0 190 physicallist=""
igor@0 191 networklist=""
igor@0 192
igor@56 193 nodelist=";\n ".join(map(lambda node: node_object[node].graphviz_string(),nodes))
igor@0 194 if nodelist: nodelist += ";"
igor@56 195 bridgelist=";\n ".join(map(lambda bridge: bridge_object[bridge].graphviz_string(),bridges))
igor@0 196 if bridgelist: bridgelist += ";"
igor@56 197 linklist=";\n ".join(map(lambda link: link_object[link].graphviz_string(),link_object.keys()))
igor@56 198 if linklist: linklist += ";"
igor@0 199
igor@46 200 f = open(network+".dot", "w");
igor@10 201 f.write ("""
igor@0 202 graph G {
igor@0 203 edge [len=1.25];
igor@0 204 splines=true;
igor@0 205 // nodes
igor@56 206 %s
igor@0 207
igor@0 208 // bridges
igor@56 209 %s
igor@0 210
igor@0 211 // physical
igor@0 212 node [shape=rectangle,color=blue];
igor@56 213 %s
igor@0 214
igor@0 215 // networks (not bridges, not physical)
igor@0 216 node [shape=rectangle,color=green];
igor@56 217 %s
igor@0 218
igor@0 219 // links (between nodes and bridges)
igor@56 220 %s
igor@0 221
igor@0 222 };
igor@56 223 """ % (nodelist, bridgelist, physicallist, networklist, linklist))
igor@10 224 f.close()
igor@46 225 run_command("neato -Tpng -o %s.png %s.dot "%(network,network))
igor@46 226 run_command("neato -Tjpg -o %s.jpg %s.dot "%(network,network))
igor@46 227 run_command("neato -Tsvg -o %s.svg %s.dot "%(network,network))
igor@56 228 run_command("neato -Tcmapx -o %s.cmapx -NURL=http://google.com %s.dot "%(network,network))
igor@49 229 print "# Network map is written to files: %s.{png,svg,jpg,dot}" % network
igor@0 230
igor@27 231 def autoredraw():
igor@27 232 graph()
igor@27 233
igor@0 234 def shell():
nata@31 235 autoredraw()
igor@0 236 ipshell = IPShellEmbed()
igor@0 237 ipshell()
igor@0 238
igor@60 239 def version():
igor@61 240 print """
igor@61 241 Xentaur 0.1-PRE
igor@61 242
igor@61 243 ,--,
igor@61 244 _ ___/ /\\|
igor@61 245 ,;`( )__, ) ~
igor@61 246 // .// '--;
igor@61 247 ' / \ |
igor@61 248
igor@61 249 """
igor@61 250 # print "Xentaur 0.1-PRE"
igor@61 251 # print "(Godzilla-mutant) _"
igor@61 252 # print " / * \\"
igor@61 253 # print " / .-"
igor@61 254 # print " / |"
igor@61 255 # print " | \\ \\\\ \\"
igor@61 256 # print " _ -------| \\ \\\\ \\"
igor@61 257 # print " / / \\_\\ -"
igor@61 258 # print "/ |\\ | |"
igor@61 259 # print "| | \\ .-----. | \\ |"
igor@61 260 # print " | / \\ \\ \\ \\"
igor@61 261 # print " \\/|.\\ \\ \\ \\ \\"
igor@61 262 # print " \\| - . \\_\\ \\_\\"
igor@61 263 # print "-----------------------------------------------"
igor@60 264
igor@60 265
igor@60 266 def info():
igor@60 267 version()
igor@60 268
igor@60 269 print "Network name: ", network
igor@60 270 print "-----------------------------------------------"
igor@60 271 print
igor@60 272 print "Nodes: ", len(domains)
igor@60 273 print " * virtual nodes: ", len(domains)-len(real_nodes)
igor@60 274 print " * real nodes:", len(real_nodes)
igor@60 275 print
igor@60 276 print "Bridges:", len(bridges)
igor@60 277 print " * virtual bridges:", len(bridges)-len(real_bridges)-len(cross_bridges)
igor@60 278 print " * real switches:", len(real_bridges)
igor@60 279 print " * direct links:", len(cross_bridges)
igor@60 280
igor@0 281 def show_usage():
igor@0 282 print """Usage:
igor@49 283 xentaur <command> [<argument>]
igor@49 284
igor@49 285 Commands:
igor@49 286 start-all -- start bridges and domains
igor@49 287 start-domains -- start domains only
igor@49 288 start-bridges -- start bridges only
igor@49 289 stop-all -- stop bridges and domains
igor@49 290 stop-domains -- stop domains only
igor@49 291 stop-bridges -- stop bridges only (domains have to be stopped already)
igor@49 292 restart-all -- restart bridges and domains
igor@49 293
igor@49 294 start <domain> -- start the <domain>
igor@49 295 stop <domain> -- stop the <domain>
igor@49 296
igor@49 297 graph -- generate network scheme (result is in <network>.{png,jpg,svg})
igor@49 298 screen -- generate GNU Screen config file (~/.screenrc_xentaur)
igor@49 299 shell -- run Xentaur shell
igor@49 300
igor@0 301 """
igor@0 302
igor@33 303 def save():
igor@33 304 print "network =", xen_config_name
igor@33 305 print "domains =", domains
igor@33 306 print "domain_types =", domain_types
igor@33 307 print "bridges =", bridges
igor@33 308 print "vbridges_table =", vbridges_table
igor@33 309 print "hidden_bridges =", hidden_bridges
igor@33 310 print "broken_links =", broken_links
igor@33 311 print "temporary_links =", temporary_links
igor@33 312 print "bridges_turned_down =", bridges_turned_down
igor@33 313
igor@33 314 #-----------------------------------------------------------------------
igor@33 315 # CLASSES
igor@33 316
igor@33 317 class Bridge:
igor@33 318 def __init__ (self,name):
igor@33 319 self.name=name
igor@33 320 def up(self):
igor@33 321 bridge_up(self.name)
igor@33 322 def down(self):
igor@33 323 bridge_down(self.name)
igor@33 324 def show(self):
igor@33 325 show_bridge(self.name)
igor@33 326 def dump_start(self,filter=""):
igor@33 327 dump_start(self.name,filter)
igor@33 328
igor@56 329 def is_hidden(self):
igor@56 330 return self.name in hidden_bridges
igor@56 331 def is_real(self):
igor@56 332 return self.name in real_bridges
igor@56 333 def is_turned_down(self):
igor@56 334 return self.name in bridges_turned_down
igor@56 335 def is_cross(self):
igor@56 336 return self.name in cross_bridges
igor@33 337
igor@56 338 def graphviz_string(self):
igor@56 339 if self.is_hidden():
igor@63 340 return "//"
igor@56 341 elif self.is_cross():
igor@56 342 return "%s [shape=circle,height=0.03,color=black,fillcolor=black,style=filled,label=\"\"]" % (self.name)
igor@56 343 elif self.is_real():
igor@63 344 return "%s [color=white,shape=none,shapefile=\"%s/all/real_switch.png\"]" % (self.name, path_shapes)
igor@56 345 elif self.is_turned_down():
igor@63 346 return "%s [color=white,shape=none,shapefile=\"%s/all/switch_turned_down.png\"]" % (self.name, path_shapes)
igor@56 347 else:
igor@63 348 return "%s [color=white,shape=none,shapefile=\"%s/all/switch.png\"]" % (self.name, path_shapes)
igor@56 349
igor@56 350
igor@56 351 class Node:
igor@38 352 def __init__ (self,name):
igor@38 353 self.name=name
igor@56 354 self.type=domain_types[domains.index(name)]
igor@38 355 def start(self):
igor@38 356 return ""
igor@38 357 def stop(self):
igor@38 358 return ""
igor@38 359 def start_commandline(self):
igor@38 360 return ""
igor@38 361 def get_domain_id(self):
igor@38 362 return get_domain_id(self.name)
igor@56 363 def graphviz_string(self):
igor@63 364 return self.name+" [color=white,shape=plaintext,label=\" "+self.name+"\",shapefile=\""+path_shapes+"/all/"+\
igor@56 365 domain_types[domains.index(self.name)]+".png\",fontcolor=black,fontsize=16,target=\"http://google.com\"]"
igor@56 366 def console_string(self):
nata@65 367 if self.type in [ 'quagga', 'dynamips', 'freebsd', 'linux' ]:
igor@56 368 return "sudo xm console "+self.name
igor@56 369 elif self.name in real_bridges or self.name in real_nodes:
igor@56 370 return "echo Press enter to connect; read line; "+connection_table[self.name]
igor@56 371
igor@56 372
igor@56 373 class Link:
igor@56 374 def __init__ (self,name,node,interface,bridge,label=""):
igor@56 375 self.name=name
igor@56 376 self.node=node
igor@56 377 self.interface=interface
igor@56 378 self.bridge=bridge
igor@56 379 self.label=label
igor@56 380
igor@56 381 def is_temporary(self):
igor@56 382 return [self.node,self.interface,self.bridge] in temporary_links
igor@56 383
igor@56 384 def is_broken(self):
igor@56 385 return ([self.node,self.interface,self.bridge] in broken_links)
igor@56 386
igor@63 387 def is_hidden(self):
igor@63 388 return self.bridge in hidden_bridges
igor@63 389
igor@56 390 def graphviz_string(self):
igor@63 391 if self.is_hidden():
igor@63 392 return "//"
igor@56 393 if self.is_temporary():
igor@56 394 return self.node+" -- "+self.bridge+" [taillabel=\"fa"+str(self.interface)+"/0\",color=blue,len=10,w=5,weight=5]"
igor@56 395 if self.is_broken():
igor@56 396 return self.node+" -- "+self.bridge+" [taillabel=\"fa"+str(self.interface)+"/0\",style=dashed]"
igor@56 397
igor@56 398 ip="\\n.%s.%s" % (bridges.index(self.bridge)+1, domains.index(self.node)+1)
igor@56 399 if domain_types[domains.index(self.node)] == 'xenomips':
igor@56 400 int_name="fa"+str(self.interface)+"/0"
igor@56 401 else:
igor@56 402 int_name="eth"+str(self.interface)
igor@56 403 if self.label != "":
igor@56 404 int_name = self.label
igor@56 405 return self.node+" -- "+self.bridge+" [taillabel=\""+int_name+ip+"\",fontsize=14,fontname=fixed]"
igor@56 406
igor@38 407
igor@23 408 #-----------------------------------------------------------------------
igor@23 409 # DOMAINS
igor@23 410
igor@23 411 def get_domain_id(domain):
igor@23 412 return run_command_return_stdout("sudo xm list | awk '{if ($1 == \"'%s'\") print $2}'" % domain).rstrip("\n")
igor@23 413
igor@22 414
igor@22 415 #-----------------------------------------------------------------------
igor@22 416 # BRIDGES and IFACES
igor@22 417
igor@22 418 def bridge_down(bridge):
igor@22 419 """
igor@22 420 Turn the bridge <bridge> down
igor@22 421 """
igor@38 422 if bridge in real_bridges:
igor@38 423 print "Bridge %s is a real bridge" % (bridge)
igor@38 424 return -1
igor@29 425 if bridge in bridges_turned_down:
igor@29 426 print "Bridge %s is turned down already" % (bridge)
igor@29 427 else:
igor@29 428 bridges_turned_down.append(bridge)
igor@29 429 run_command("sudo ip link set %s down" % bridge)
igor@29 430 autoredraw()
igor@22 431
igor@22 432 def bridge_up(bridge):
igor@22 433 """
igor@22 434 Turn the bridge <bridge> up
igor@22 435 """
igor@38 436 if bridge in real_bridges:
igor@38 437 print "Bridge %s is a real bridge" % (bridge)
igor@38 438 return -1
igor@29 439 if not (bridge in bridges_turned_down):
igor@29 440 print "Bridge %s is turned up already" % (bridge)
igor@29 441 else:
igor@29 442 bridges_turned_down.remove(bridge)
igor@29 443 run_command("sudo ip link set %s up" % bridge)
igor@29 444 autoredraw()
igor@22 445
igor@22 446 def show_bridge(bridge):
igor@22 447 """
igor@22 448 Show the state of the bridge <bridge>
igor@22 449 """
igor@38 450 if bridge in real_bridges:
igor@38 451 print "Bridge %s is a real bridge" % (bridge)
igor@38 452 return -1
igor@22 453 run_command("sudo ip link show %s" % bridge)
igor@22 454
igor@23 455
igor@23 456 def int_disconnect(domain, int_number):
igor@23 457 """
igor@23 458 Disconnect the interface with the number <int_number>
igor@23 459 of the domain <domain> from the bridge to which
igor@23 460 it is connected
igor@23 461 """
igor@23 462 dom_id=get_domain_id(domain)
igor@23 463 bridge=vbridges_table[domain][int_number]
igor@23 464 if not bridge:
igor@23 465 print "Interface %s of the %s domain is not connected" % (int_number, domain)
igor@23 466 return 1
igor@23 467 run_command("sudo brctl delif %s vif%s.%s" % (bridge, dom_id, int_number))
igor@23 468 vbridges_table[domain][int_number]=''
igor@28 469 if [ domain, int_number, bridge ] in temporary_links:
igor@28 470 temporary_links.remove([ domain, int_number, bridge ])
igor@27 471 else:
igor@28 472 broken_links.append([ domain, int_number, bridge ])
igor@27 473 autoredraw()
igor@23 474
igor@23 475 def int_connect(domain, int_number, bridge):
igor@23 476 """
igor@23 477 Connect the interface with the number <int_number>
igor@24 478 of the domain <domain> to the bridge <bridge>
igor@23 479 """
igor@38 480 if bridge in real_bridges:
igor@38 481 print "Bridge %s is a real bridge" % (bridge)
igor@38 482 return -1
igor@38 483
igor@23 484 dom_id=get_domain_id(domain)
igor@23 485 if vbridges_table[domain][int_number]:
igor@23 486 print "Interface %s of the %s domain is connected already to the %s bridge" % (int_number, domain, vbridges_table[domain][int_number])
igor@23 487 return 1
igor@23 488 run_command("sudo brctl addif %s vif%s.%s" % (bridge, dom_id, int_number))
igor@23 489 vbridges_table[domain][int_number]=bridge
igor@28 490 if [ domain, int_number, bridge ] in broken_links:
igor@28 491 broken_links.remove([ domain, int_number, bridge ])
igor@27 492 else:
igor@28 493 temporary_links.append([ domain, int_number, bridge ])
igor@27 494 autoredraw()
igor@23 495
igor@24 496 def int_reconnect(domain, int_number, bridge):
igor@24 497 """
igor@24 498 Reconnect the interface with the number <int_number>
igor@24 499 of the domain <domain> from the bridge to which
igor@24 500 it is connected to the bridge <bridge>
igor@24 501 """
igor@38 502 if bridge in real_bridges:
igor@38 503 print "Bridge %s is a real bridge" % (bridge)
igor@38 504 return -1
igor@38 505
igor@24 506 int_disconnect(domain, int_number)
igor@24 507 int_connect(domain, int_number, bridge)
igor@24 508
igor@24 509 def show_int(domain, int_number):
igor@25 510 """
igor@25 511 Show information about the interface <int_nuber>
igor@25 512 of the domain <domain>
igor@25 513 """
igor@26 514 return vbridges_table[domain][int_number]
igor@24 515
igor@28 516
igor@28 517 def dump_start(bridge, filter=""):
igor@38 518 if bridge in real_bridges:
igor@38 519 print "Bridge %s is a real bridge" % (bridge)
igor@38 520 return -1
igor@32 521 try:
igor@32 522 print "Writing dump... (press Ctrl-C to stop)"
igor@32 523 run_command("sudo tcpdump -w xentaur.dump -i %s %s > /dev/null 2>&1 " % (bridge,filter))
igor@32 524 except:
igor@32 525 print "Done.\n Dump is written to xentaur.dump"
igor@28 526 return 0
igor@28 527
igor@28 528 def dump_stop():
igor@28 529 return 0
igor@33 530
igor@33 531
igor@33 532 #-----------------------------------------------------------------------
igor@33 533 # CONFIGURATION TEMPLATES
igor@33 534
igor@33 535
igor@33 536 def configure_ip_addresses(doms=domains):
igor@40 537
igor@40 538 cisco_set_ip_on_int="""
igor@40 539 \n\n\n
igor@40 540 int fa%s/0
igor@40 541 no ip address
igor@40 542 ip address %s 255.255.255.0
igor@40 543 no shutdown
igor@40 544 exit
igor@40 545 """
igor@40 546
igor@40 547 quagga_set_ip_on_int="""
igor@40 548 int eth%s
igor@40 549 no ip address
igor@40 550 ip address %s/24
igor@40 551 no shutdown
igor@40 552 exit
igor@40 553 """
igor@40 554
igor@63 555 linux_set_ip_on_int="""
igor@63 556 ifconfig eth%s %s netmask 255.255.255.0
igor@63 557 """
igor@63 558
igor@40 559 for dom in doms:
igor@40 560 i=domains.index(dom)+1
igor@40 561 if domain_types[domains.index(dom)] == 'quagga':
igor@40 562 command = quagga_set_ip_on_int
igor@40 563 write_to(i,"\nconf t\n")
igor@40 564 j=0
igor@40 565 for br in vbridges_table[dom]:
igor@40 566 write_to(i,command % (j, "192.168.%s.%s"%(bridges.index(br)+1,i)))
igor@40 567 j+=1
igor@40 568 write_to(i,"\nend\n")
igor@63 569 elif domain_types[domains.index(dom)] == 'linux':
igor@63 570 command = linux_set_ip_on_int
igor@63 571 j=0
igor@63 572 for br in vbridges_table[dom]:
igor@63 573 #write_to(i, command % (j, "192.168.%s.%s"%(bridges.index(br)+1,i)) )
igor@63 574 print i, command % (j, "192.168.%s.%s"%(bridges.index(br)+1,i))
igor@63 575 j+=1
igor@40 576 else:
igor@40 577 command = cisco_set_ip_on_int
igor@40 578 write_to(i,"\nena\nconf t\n")
igor@40 579 j=0
igor@40 580 for br in vbridges_table[dom]:
igor@40 581 write_to(i,command % (j, "192.168.%s.%s"%(bridges.index(br)+1,i)))
igor@40 582 j+=1
igor@40 583 write_to(i,"\nend\n")
igor@40 584 return 0
igor@40 585
igor@40 586 def configure_no_ip_addresses(doms=domains):
igor@40 587
igor@40 588 cisco_set_ip_on_int="""
igor@40 589 \n\n\n
igor@40 590 int fa%s/0
igor@40 591 no ip address %s 255.255.255.0
igor@40 592 exit
igor@40 593 """
igor@40 594
igor@40 595 quagga_set_ip_on_int="""
igor@40 596 int eth%s
igor@40 597 no ip address %s/24
igor@40 598 exit
igor@40 599 """
igor@40 600
igor@40 601 for dom in doms:
igor@40 602 i=domains.index(dom)+1
igor@40 603 if domain_types[domains.index(dom)] == 'quagga':
igor@40 604 command = quagga_set_ip_on_int
igor@40 605 write_to(i,"\nconf t\n")
igor@40 606 j=0
igor@40 607 for br in vbridges_table[dom]:
igor@40 608 write_to(i,command % (j, "192.168.%s.%s"%(bridges.index(br)+1,i)))
igor@40 609 j+=1
igor@40 610 write_to(i,"\nend\n")
igor@40 611 else:
igor@40 612 command = cisco_set_ip_on_int
igor@40 613 write_to(i,"\nena\nconf t\n")
igor@40 614 j=0
igor@40 615 for br in vbridges_table[dom]:
igor@40 616 write_to(i,command % (j, "192.168.%s.%s"%(bridges.index(br)+1,i)))
igor@40 617 j+=1
igor@40 618 write_to(i,"\nend\n")
igor@33 619 return 0
igor@33 620
igor@33 621 def configure_ospf(doms=domains):
igor@40 622 for dom in doms:
igor@40 623 if domain_types[domains.index(dom)] == 'quagga':
igor@40 624 write_to(dom,"\n\nconf t\nrouter ospf\nnetwork 192.168.0.0/16 area 0\nend\n")
igor@40 625 else:
igor@40 626 write_to(dom,"\n\nena\nconf t\nrouter ospf 1\nnetwork 192.168.0.0 0.0.255.255 area 0\nend\n")
igor@33 627 return 0
igor@33 628
igor@49 629 def configure_hostname(doms=domains):
igor@49 630 for dom in doms:
igor@49 631 if domain_types[domains.index(dom)] == 'quagga':
igor@49 632 write_to(dom,"\n\nconf t\nhostname %s\nend\n" % dom)
igor@49 633 else:
igor@49 634 write_to(dom,"\n\nena\nconf t\nhostname %s\nend\n" % dom)
igor@49 635 return 0
igor@49 636
igor@49 637 def configure_logging_synchronous(doms=domains):
igor@49 638 for dom in domains:
igor@49 639 if domain_types[domains.index(dom)] == 'quagga':
igor@49 640 0
igor@49 641 else:
igor@49 642 write_to(dom,"\n\nena\nconf t\nline console 0\nlogging synchronous\nend\n")
igor@49 643 return 0
igor@49 644
igor@51 645 def configure_exec_timeout_0(doms=domains):
igor@51 646 for dom in domains:
igor@51 647 if domain_types[domains.index(dom)] == 'quagga':
igor@51 648 0
igor@51 649 else:
igor@52 650 write_to(dom,"\n\nena\nconf t\nline console 0\nexec-timeout 0\nend\n")
igor@51 651 return 0
igor@51 652
igor@55 653 def configure_no_cdp_log_mismatch_duplex(doms=domains):
igor@55 654 for dom in filter_by_type(domains,'xenomips'):
igor@55 655 write_to(dom,"\n\nena\nconf t\nno cdp log mismatch duplex\nend\n")
igor@55 656
igor@33 657 def configure_save(doms=domains):
igor@33 658 write_to(doms,"\nwr\n")
igor@33 659
igor@49 660 def configure_root(doms=domains):
igor@49 661 write_to(doms,"root\n")
igor@49 662
igor@0 663 #-----------------------------------------------------------------------
igor@0 664
igor@0 665
igor@0 666 def add_domain(name,type):
igor@0 667 domains.append(name)
igor@0 668 domain_types.append(type)
igor@0 669
igor@0 670 def brake_link(domain,bridge):
igor@0 671 broken_links.append([domain,bridge])
igor@0 672
igor@4 673 wt_timeout=0.5
igor@8 674 def write_to(screen,string,return_to_screen=""):
igor@2 675 """
igor@2 676 write_to(screen,string):
igor@2 677
igor@8 678 Type *string* to the specified screen(s).
igor@8 679 Screen may be specified with the number *screen*,
igor@8 680 with array of numbers,
igor@8 681 with array of names.
igor@2 682
igor@2 683 """
igor@5 684 screen_numbers=[] # number of the screens to write to
igor@5 685 if type(screen) == list:
igor@5 686 screen_numbers=map(lambda x: domains.index(x)+1, screen)
igor@5 687 elif type(screen) == int:
igor@5 688 screen_numbers=[screen]
igor@5 689 else:
igor@5 690 screen_numbers=[domains.index(screen)+1]
igor@5 691
igor@5 692 for screen_number in screen_numbers:
igor@5 693 run_command("screen -X select "+str(screen_number))
igor@5 694 time.sleep(wt_timeout)
igor@5 695 for line in string.splitlines():
igor@5 696 f=open('/tmp/xentaurbuf', 'w')
igor@5 697 f.write(line+"\n")
igor@5 698 f.close()
igor@5 699 run_command("screen -X readreg p /tmp/xentaurbuf")
igor@5 700 time.sleep(wt_timeout)
igor@5 701 run_command("nohup screen -X paste p >& /dev/null")
igor@5 702 time.sleep(wt_timeout)
igor@5 703
igor@8 704 if return_to_screen != "":
igor@8 705 run_command("screen -X select %s" % (return_to_screen))
igor@8 706 time.sleep(wt_timeout)
igor@0 707
igor@49 708 def filter_by_type(doms,type):
igor@49 709 """
igor@49 710 filter_by_type(doms,type)
igor@49 711
igor@49 712 Return only domains of *doms* that have specified *type*
igor@49 713 """
igor@49 714 return filter(lambda x: domain_types[domains.index(x)]==type,domains)
igor@49 715
igor@0 716 #-----------------------------------------------------------------------
igor@0 717
igor@5 718 cisco_fa01_up="""
igor@5 719 ena
igor@5 720 conf t
igor@5 721 int fa0/0
igor@49 722 duplex half
igor@5 723 no shutdown
igor@5 724 exit
igor@5 725 int fa1/0
igor@49 726 duplex half
igor@5 727 no shutdown
igor@5 728 exit
igor@5 729 exit
igor@5 730 exit
igor@5 731 """
igor@5 732
igor@5 733 cisco_set_ip_on_int="""
igor@5 734 interface fa%s/0
igor@5 735 no ip address
igor@5 736 ip address %s 255.255.255.0
igor@5 737 exit
igor@5 738 """
igor@5 739
igor@0 740 nodes=domains
igor@0 741
igor@56 742 create_objects()
igor@56 743
igor@56 744
igor@49 745 if len(sys.argv) == 2:
igor@49 746 if sys.argv[1] == 'start-all':
igor@0 747 start_all()
igor@49 748 elif sys.argv[1] == 'start-domains':
igor@49 749 start_domains()
igor@49 750 elif sys.argv[1] == 'start-bridges':
igor@49 751 start_bridges()
igor@49 752 elif sys.argv[1] == 'stop-all':
igor@0 753 stop_all()
igor@49 754 elif sys.argv[1] == 'stop-domains':
igor@49 755 stop_domains()
igor@49 756 elif sys.argv[1] == 'stop-bridges':
igor@49 757 stop_bridges()
igor@49 758 elif sys.argv[1] == 'restart-all':
igor@49 759 restart_all()
igor@0 760 elif sys.argv[1] == 'screen':
igor@50 761 screen()
igor@0 762 elif sys.argv[1] == 'graph':
igor@0 763 graph()
igor@0 764 elif sys.argv[1] == 'shell':
igor@0 765 shell()
igor@60 766 elif sys.argv[1] == 'info':
igor@60 767 info()
igor@49 768 else:
igor@49 769 show_usage()
igor@49 770 sys.exit(1)
igor@49 771 elif len(sys.argv) == 3:
igor@49 772 if sys.argv[1] == 'start':
igor@49 773 start_domain(sys.argv[2])
igor@49 774 elif sys.argv[1] == 'stop':
igor@49 775 stop_domain(sys.argv[2])
igor@49 776 elif sys.argv[1] == 'restart':
igor@49 777 stop_domain(sys.argv[2])
igor@49 778 start_domain(sys.argv[2])
igor@49 779 else:
igor@49 780 show_usage()
igor@49 781 sys.exit(1)
igor@0 782 else:
igor@0 783 show_usage()
igor@0 784 sys.exit(1)
igor@0 785
igor@0 786 sys.exit(0)
igor@0 787
igor@0 788