xentaur

annotate xentaur.py @ 61:6471afbee150

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author igor
date Mon Dec 03 08:36:13 2007 +0200 (2007-12-03)
parents e7b9761c03e8
children e838c1223b89
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
igor@35 6 xentaur_path=os.environ['HOME']+"/xentaur"
igor@35 7
igor@0 8 sys.path.append('/etc/xen')
igor@35 9 sys.path.append(xentaur_path)
igor@11 10
igor@56 11 #network='snrs_ipsec_rsa_1'
igor@56 12 node_object={}
igor@56 13 link_object={}
igor@56 14 bridge_object={}
igor@56 15
igor@61 16 network='mini'
igor@61 17 domain='dyn1'
igor@61 18 #network='snrs'
igor@61 19 #domain='dyn1'
igor@35 20 from xendomain import *
igor@35 21
igor@29 22 bridges_turned_down=[]
igor@29 23
igor@0 24 from IPython.Shell import IPShellEmbed
igor@0 25
igor@2 26
igor@2 27 screenrc=os.environ['HOME']+"/.screenrc_xentaur"
igor@2 28
igor@10 29 def run(program, *args):
igor@10 30 pid = os.fork()
igor@10 31 if not pid:
igor@10 32 os.execvp(program, (program,) + args)
igor@10 33 return os.wait()[0]
igor@10 34
igor@10 35 def run_command(line):
igor@10 36 #cmds=line.split()
igor@10 37 #run(cmds[0],*cmds[1:])
igor@10 38 run("/bin/sh", "-c", line)
igor@10 39
igor@23 40 def run_command_return_stdout(line):
igor@23 41 p = os.popen(line)
igor@23 42 output = p.read()
igor@23 43 p.close()
igor@23 44 return output
igor@23 45
igor@49 46 ################################################################################
igor@49 47 #Xentaur command-line commands
igor@49 48
igor@49 49 ## Start
igor@49 50
igor@49 51 def start_bridges():
igor@38 52 unbound_bridges=set(bridges)-set(real_bridges)
igor@56 53 script=""
igor@56 54 script="\n".join(map(lambda x: "sudo brctl show | awk '{print $1}' | grep -qx "+x+" || sudo brctl addbr "+x, unbound_bridges))
igor@56 55 script+="\n"+"\n".join(map(lambda x: "sudo brctl stp "+x+" off", unbound_bridges))
igor@56 56 script+="\n"+"\n".join(map(lambda x: "sudo ip link set "+x+" up", unbound_bridges))
igor@0 57
igor@0 58 print """#!/bin/sh
igor@0 59 # create unbound bridges
igor@56 60 %s
igor@56 61 """ % (script)
igor@0 62
igor@49 63 def start_domain(domain):
igor@49 64 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 65
igor@49 66 def start_domains(doms=domains):
igor@49 67 for domain in doms:
igor@38 68 if not domain in real_nodes:
igor@49 69 start_domain(domain)
igor@0 70
igor@49 71 def start_all():
igor@49 72 graph()
igor@49 73 screen()
igor@49 74 start_bridges()
igor@49 75 start_domains()
igor@49 76
igor@49 77 ## Stop
igor@49 78
igor@49 79 def stop_domain(domain,wait=0):
igor@49 80 if wait:
igor@49 81 print "sudo xm shutdown -w "+domain
igor@49 82 else:
igor@49 83 print "sudo xm shutdown "+domain
igor@49 84
igor@49 85 def stop_domains(doms=domains, wait=0):
igor@49 86 for domain in doms:
igor@38 87 if not domain in real_nodes:
igor@49 88 stop_domain(domain,wait)
igor@0 89
igor@49 90 def stop_bridges():
igor@49 91 ###FIXME###
igor@49 92 return 0
igor@49 93
igor@49 94 def stop_all(wait=0):
igor@49 95 stop_domains(domains, wait)
igor@49 96 stop_bridges()
igor@49 97
igor@49 98 def restart_all():
igor@49 99 stop_all(1)
igor@49 100 start_all()
igor@49 101
igor@56 102 ####################################################
igor@56 103
igor@56 104 def create_objects():
igor@56 105 create_node_objects()
igor@56 106 create_bridge_objects()
igor@56 107 create_link_objects()
igor@56 108
igor@56 109 def create_node_objects():
igor@56 110 for dom in domains:
igor@56 111 node_object[dom]=Node(dom)
igor@56 112
igor@56 113 def create_bridge_objects():
igor@56 114 for bridge in bridges:
igor@56 115 bridge_object[bridge]=Bridge(bridge)
igor@56 116
igor@56 117 def create_link_objects():
igor@56 118
igor@56 119 for node, bridges_raw in vbridges_table.iteritems():
igor@56 120 interface=0
igor@56 121 j=0
igor@56 122 for this_bridge in bridges_raw:
igor@56 123 int_label=""
igor@56 124 if this_bridge.find(':') != -1:
igor@56 125 res = this_bridge.split(':')
igor@56 126 this_bridge= res[0]
igor@56 127 bridges_raw[j] = this_bridge
igor@56 128 int_label = res[1]
igor@56 129 if not [ node, bridges_raw.index(this_bridge), this_bridge ] in temporary_links:
igor@56 130 name="%s %s %s" % (node,interface,this_bridge)
igor@56 131 link_object[name]=Link(name,node,interface,this_bridge,int_label)
igor@56 132 interface+=1
igor@56 133 vbridges_table[node]=bridges_raw
igor@56 134
igor@56 135 for node, bridges_raw in bridge_bridge_table.iteritems():
igor@56 136 interface=0
igor@56 137 j=0
igor@56 138 for this_bridge in bridges_raw:
igor@56 139 int_label=""
igor@56 140 if this_bridge.find(':') != -1:
igor@56 141 res = this_bridge.split(':')
igor@56 142 this_bridge= res[0]
igor@56 143 bridges_raw[j] = this_bridge
igor@56 144 int_label = res[1]
igor@56 145 if not [ node, bridges_raw.index(this_bridge), this_bridge ] in temporary_links:
igor@56 146 name="%s %s %s" % (node,interface,this_bridge)
igor@56 147 link_object[name]=Link(name,node,interface,this_bridge,int_label)
igor@56 148 interface+=1
igor@56 149 bridge_bridge_table[node]=bridges_raw
igor@56 150
igor@56 151 for node,interface,bridge in temporary_links:
igor@56 152 name="%s %s %s" % (node,interface,bridge)
igor@56 153 link_object[name]=Link(name,node,interface,this_bridge)
igor@56 154
igor@56 155 for node,interface,bridge in broken_links:
igor@56 156 name="%s %s %s" % (node,interface,bridge)
igor@56 157 link_object[name]=Link(name,node,interface,this_bridge)
igor@56 158
igor@56 159
igor@56 160 ####################################################
igor@56 161
igor@49 162 def screen():
igor@60 163 wait_seconds=1
igor@0 164 screens=[]
igor@0 165 for domain in domains:
igor@56 166 screens.append("screen -t %s %s sh -c 'while true; do %s ; echo Retrying in %s secods...; sleep %s ; clear; done'" %
igor@60 167 (domain,domains.index(domain)+1,node_object[domain].console_string(),wait_seconds,wait_seconds))
igor@0 168 screenlist="\n".join(screens)
igor@0 169
igor@49 170 hardstatus='hardstatus string "%{rk}Xentaur%{bk}@%H %{gk}%c %{yk}%d.%m %{wk}%?%-Lw%?%{bw}%n*%f%t%?(%u)%?%{wk}%?%+Lw%?"'
igor@10 171
igor@11 172 f=open(screenrc, "w");
igor@10 173 f.write("""
igor@2 174 hardstatus on
igor@2 175 hardstatus alwayslastline
igor@49 176 %s
igor@2 177
igor@60 178 screen -t console 0 sh -c 'while true; do cd %s; ./xentaur.py shell ; echo Retrying in %s secods...; sleep %s ; clear; done'
igor@60 179 #screen -t xentaur - sh -c 'while true; do bash ; echo Retrying in %s secods...; sleep %s ; clear; done'
igor@10 180 %s
igor@60 181 """ % (hardstatus,xentaur_path,wait_seconds,wait_seconds,wait_seconds,wait_seconds,screenlist))
igor@10 182 f.close()
igor@49 183 print "# GNU Screen config file is written to: %s" % screenrc
igor@0 184
igor@0 185 def graph():
igor@0 186 nodelist=""
igor@0 187 bridgelist=""
igor@0 188 linklist=""
igor@0 189 physicallist=""
igor@0 190 networklist=""
igor@0 191
igor@56 192 nodelist=";\n ".join(map(lambda node: node_object[node].graphviz_string(),nodes))
igor@0 193 if nodelist: nodelist += ";"
igor@56 194 bridgelist=";\n ".join(map(lambda bridge: bridge_object[bridge].graphviz_string(),bridges))
igor@0 195 if bridgelist: bridgelist += ";"
igor@56 196 linklist=";\n ".join(map(lambda link: link_object[link].graphviz_string(),link_object.keys()))
igor@56 197 if linklist: linklist += ";"
igor@0 198
igor@46 199 f = open(network+".dot", "w");
igor@10 200 f.write ("""
igor@0 201 graph G {
igor@0 202 edge [len=1.25];
igor@0 203 splines=true;
igor@0 204 // nodes
igor@56 205 // node [shape=plaintext,color=white,shapefile="shapes/cisco.bmp/router.png"];
igor@56 206 %s
igor@0 207
igor@0 208 // bridges
igor@56 209 // node [shape=none,shapefile="shapes/all/switch.png"];
igor@56 210 %s
igor@0 211
igor@0 212 // physical
igor@0 213 node [shape=rectangle,color=blue];
igor@56 214 %s
igor@0 215
igor@0 216 // networks (not bridges, not physical)
igor@0 217 node [shape=rectangle,color=green];
igor@56 218 %s
igor@0 219
igor@0 220 // links (between nodes and bridges)
igor@56 221 %s
igor@0 222
igor@0 223 };
igor@56 224 """ % (nodelist, bridgelist, physicallist, networklist, linklist))
igor@10 225 f.close()
igor@46 226 run_command("neato -Tpng -o %s.png %s.dot "%(network,network))
igor@46 227 run_command("neato -Tjpg -o %s.jpg %s.dot "%(network,network))
igor@46 228 run_command("neato -Tsvg -o %s.svg %s.dot "%(network,network))
igor@56 229 run_command("neato -Tcmapx -o %s.cmapx -NURL=http://google.com %s.dot "%(network,network))
igor@49 230 print "# Network map is written to files: %s.{png,svg,jpg,dot}" % network
igor@0 231
igor@27 232 def autoredraw():
igor@27 233 graph()
igor@27 234
igor@0 235 def shell():
nata@31 236 autoredraw()
igor@0 237 ipshell = IPShellEmbed()
igor@0 238 ipshell()
igor@0 239
igor@60 240 def version():
igor@61 241 print """
igor@61 242 Xentaur 0.1-PRE
igor@61 243
igor@61 244 ,--,
igor@61 245 _ ___/ /\\|
igor@61 246 ,;`( )__, ) ~
igor@61 247 // .// '--;
igor@61 248 ' / \ |
igor@61 249
igor@61 250 """
igor@61 251 # print "Xentaur 0.1-PRE"
igor@61 252 # print "(Godzilla-mutant) _"
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@61 264 # print "-----------------------------------------------"
igor@60 265
igor@60 266
igor@60 267 def info():
igor@60 268 version()
igor@60 269
igor@60 270 print "Network name: ", network
igor@60 271 print "-----------------------------------------------"
igor@60 272 print
igor@60 273 print "Nodes: ", len(domains)
igor@60 274 print " * virtual nodes: ", len(domains)-len(real_nodes)
igor@60 275 print " * real nodes:", len(real_nodes)
igor@60 276 print
igor@60 277 print "Bridges:", len(bridges)
igor@60 278 print " * virtual bridges:", len(bridges)-len(real_bridges)-len(cross_bridges)
igor@60 279 print " * real switches:", len(real_bridges)
igor@60 280 print " * direct links:", len(cross_bridges)
igor@60 281
igor@0 282 def show_usage():
igor@0 283 print """Usage:
igor@49 284 xentaur <command> [<argument>]
igor@49 285
igor@49 286 Commands:
igor@49 287 start-all -- start bridges and domains
igor@49 288 start-domains -- start domains only
igor@49 289 start-bridges -- start bridges only
igor@49 290 stop-all -- stop bridges and domains
igor@49 291 stop-domains -- stop domains only
igor@49 292 stop-bridges -- stop bridges only (domains have to be stopped already)
igor@49 293 restart-all -- restart bridges and domains
igor@49 294
igor@49 295 start <domain> -- start the <domain>
igor@49 296 stop <domain> -- stop the <domain>
igor@49 297
igor@49 298 graph -- generate network scheme (result is in <network>.{png,jpg,svg})
igor@49 299 screen -- generate GNU Screen config file (~/.screenrc_xentaur)
igor@49 300 shell -- run Xentaur shell
igor@49 301
igor@0 302 """
igor@0 303
igor@33 304 def save():
igor@33 305 print "network =", xen_config_name
igor@33 306 print "domains =", domains
igor@33 307 print "domain_types =", domain_types
igor@33 308 print "bridges =", bridges
igor@33 309 print "vbridges_table =", vbridges_table
igor@33 310 print "hidden_bridges =", hidden_bridges
igor@33 311 print "broken_links =", broken_links
igor@33 312 print "temporary_links =", temporary_links
igor@33 313 print "bridges_turned_down =", bridges_turned_down
igor@33 314
igor@33 315 #-----------------------------------------------------------------------
igor@33 316 # CLASSES
igor@33 317
igor@33 318 class Bridge:
igor@33 319 def __init__ (self,name):
igor@33 320 self.name=name
igor@33 321 def up(self):
igor@33 322 bridge_up(self.name)
igor@33 323 def down(self):
igor@33 324 bridge_down(self.name)
igor@33 325 def show(self):
igor@33 326 show_bridge(self.name)
igor@33 327 def dump_start(self,filter=""):
igor@33 328 dump_start(self.name,filter)
igor@33 329
igor@56 330 def is_hidden(self):
igor@56 331 return self.name in hidden_bridges
igor@56 332 def is_real(self):
igor@56 333 return self.name in real_bridges
igor@56 334 def is_turned_down(self):
igor@56 335 return self.name in bridges_turned_down
igor@56 336 def is_cross(self):
igor@56 337 return self.name in cross_bridges
igor@33 338
igor@56 339 def graphviz_string(self):
igor@56 340 if self.is_hidden():
igor@56 341 return ""
igor@56 342 elif self.is_cross():
igor@56 343 return "%s [shape=circle,height=0.03,color=black,fillcolor=black,style=filled,label=\"\"]" % (self.name)
igor@56 344 elif self.is_real():
igor@56 345 return "%s [color=white,shape=none,shapefile=\"shapes/all/real_switch.png\"]" % (self.name)
igor@56 346 elif self.is_turned_down():
igor@56 347 return "%s [color=white,shape=none,shapefile=\"shapes/all/switch_turned_down.png\"]" % (self.name)
igor@56 348 else:
igor@56 349 return "%s [color=white,shape=none,shapefile=\"shapes/all/switch.png\"]" % (self.name)
igor@56 350
igor@56 351
igor@56 352 class Node:
igor@38 353 def __init__ (self,name):
igor@38 354 self.name=name
igor@56 355 self.type=domain_types[domains.index(name)]
igor@38 356 def start(self):
igor@38 357 return ""
igor@38 358 def stop(self):
igor@38 359 return ""
igor@38 360 def start_commandline(self):
igor@38 361 return ""
igor@38 362 def get_domain_id(self):
igor@38 363 return get_domain_id(self.name)
igor@56 364 def graphviz_string(self):
igor@56 365 return self.name+" [color=white,shape=plaintext,label=\" "+self.name+"\",shapefile=\"shapes/all/"+\
igor@56 366 domain_types[domains.index(self.name)]+".png\",fontcolor=black,fontsize=16,target=\"http://google.com\"]"
igor@56 367 def console_string(self):
igor@56 368 if self.type == 'quagga' or self.type == 'xenomips':
igor@56 369 return "sudo xm console "+self.name
igor@56 370 elif self.name in real_bridges or self.name in real_nodes:
igor@56 371 return "echo Press enter to connect; read line; "+connection_table[self.name]
igor@56 372
igor@56 373
igor@56 374 class Link:
igor@56 375 def __init__ (self,name,node,interface,bridge,label=""):
igor@56 376 self.name=name
igor@56 377 self.node=node
igor@56 378 self.interface=interface
igor@56 379 self.bridge=bridge
igor@56 380 self.label=label
igor@56 381
igor@56 382 def is_temporary(self):
igor@56 383 return [self.node,self.interface,self.bridge] in temporary_links
igor@56 384
igor@56 385 def is_broken(self):
igor@56 386 return ([self.node,self.interface,self.bridge] in broken_links)
igor@56 387
igor@56 388 def graphviz_string(self):
igor@56 389 if self.is_temporary():
igor@56 390 return self.node+" -- "+self.bridge+" [taillabel=\"fa"+str(self.interface)+"/0\",color=blue,len=10,w=5,weight=5]"
igor@56 391 if self.is_broken():
igor@56 392 return self.node+" -- "+self.bridge+" [taillabel=\"fa"+str(self.interface)+"/0\",style=dashed]"
igor@56 393
igor@56 394 ip="\\n.%s.%s" % (bridges.index(self.bridge)+1, domains.index(self.node)+1)
igor@56 395 if domain_types[domains.index(self.node)] == 'xenomips':
igor@56 396 int_name="fa"+str(self.interface)+"/0"
igor@56 397 else:
igor@56 398 int_name="eth"+str(self.interface)
igor@56 399 if self.label != "":
igor@56 400 int_name = self.label
igor@56 401 return self.node+" -- "+self.bridge+" [taillabel=\""+int_name+ip+"\",fontsize=14,fontname=fixed]"
igor@56 402
igor@38 403
igor@23 404 #-----------------------------------------------------------------------
igor@23 405 # DOMAINS
igor@23 406
igor@23 407 def get_domain_id(domain):
igor@23 408 return run_command_return_stdout("sudo xm list | awk '{if ($1 == \"'%s'\") print $2}'" % domain).rstrip("\n")
igor@23 409
igor@22 410
igor@22 411 #-----------------------------------------------------------------------
igor@22 412 # BRIDGES and IFACES
igor@22 413
igor@22 414 def bridge_down(bridge):
igor@22 415 """
igor@22 416 Turn the bridge <bridge> down
igor@22 417 """
igor@38 418 if bridge in real_bridges:
igor@38 419 print "Bridge %s is a real bridge" % (bridge)
igor@38 420 return -1
igor@29 421 if bridge in bridges_turned_down:
igor@29 422 print "Bridge %s is turned down already" % (bridge)
igor@29 423 else:
igor@29 424 bridges_turned_down.append(bridge)
igor@29 425 run_command("sudo ip link set %s down" % bridge)
igor@29 426 autoredraw()
igor@22 427
igor@22 428 def bridge_up(bridge):
igor@22 429 """
igor@22 430 Turn the bridge <bridge> up
igor@22 431 """
igor@38 432 if bridge in real_bridges:
igor@38 433 print "Bridge %s is a real bridge" % (bridge)
igor@38 434 return -1
igor@29 435 if not (bridge in bridges_turned_down):
igor@29 436 print "Bridge %s is turned up already" % (bridge)
igor@29 437 else:
igor@29 438 bridges_turned_down.remove(bridge)
igor@29 439 run_command("sudo ip link set %s up" % bridge)
igor@29 440 autoredraw()
igor@22 441
igor@22 442 def show_bridge(bridge):
igor@22 443 """
igor@22 444 Show the state of the bridge <bridge>
igor@22 445 """
igor@38 446 if bridge in real_bridges:
igor@38 447 print "Bridge %s is a real bridge" % (bridge)
igor@38 448 return -1
igor@22 449 run_command("sudo ip link show %s" % bridge)
igor@22 450
igor@23 451
igor@23 452 def int_disconnect(domain, int_number):
igor@23 453 """
igor@23 454 Disconnect the interface with the number <int_number>
igor@23 455 of the domain <domain> from the bridge to which
igor@23 456 it is connected
igor@23 457 """
igor@23 458 dom_id=get_domain_id(domain)
igor@23 459 bridge=vbridges_table[domain][int_number]
igor@23 460 if not bridge:
igor@23 461 print "Interface %s of the %s domain is not connected" % (int_number, domain)
igor@23 462 return 1
igor@23 463 run_command("sudo brctl delif %s vif%s.%s" % (bridge, dom_id, int_number))
igor@23 464 vbridges_table[domain][int_number]=''
igor@28 465 if [ domain, int_number, bridge ] in temporary_links:
igor@28 466 temporary_links.remove([ domain, int_number, bridge ])
igor@27 467 else:
igor@28 468 broken_links.append([ domain, int_number, bridge ])
igor@27 469 autoredraw()
igor@23 470
igor@23 471 def int_connect(domain, int_number, bridge):
igor@23 472 """
igor@23 473 Connect the interface with the number <int_number>
igor@24 474 of the domain <domain> to the bridge <bridge>
igor@23 475 """
igor@38 476 if bridge in real_bridges:
igor@38 477 print "Bridge %s is a real bridge" % (bridge)
igor@38 478 return -1
igor@38 479
igor@23 480 dom_id=get_domain_id(domain)
igor@23 481 if vbridges_table[domain][int_number]:
igor@23 482 print "Interface %s of the %s domain is connected already to the %s bridge" % (int_number, domain, vbridges_table[domain][int_number])
igor@23 483 return 1
igor@23 484 run_command("sudo brctl addif %s vif%s.%s" % (bridge, dom_id, int_number))
igor@23 485 vbridges_table[domain][int_number]=bridge
igor@28 486 if [ domain, int_number, bridge ] in broken_links:
igor@28 487 broken_links.remove([ domain, int_number, bridge ])
igor@27 488 else:
igor@28 489 temporary_links.append([ domain, int_number, bridge ])
igor@27 490 autoredraw()
igor@23 491
igor@24 492 def int_reconnect(domain, int_number, bridge):
igor@24 493 """
igor@24 494 Reconnect the interface with the number <int_number>
igor@24 495 of the domain <domain> from the bridge to which
igor@24 496 it is connected to the bridge <bridge>
igor@24 497 """
igor@38 498 if bridge in real_bridges:
igor@38 499 print "Bridge %s is a real bridge" % (bridge)
igor@38 500 return -1
igor@38 501
igor@24 502 int_disconnect(domain, int_number)
igor@24 503 int_connect(domain, int_number, bridge)
igor@24 504
igor@24 505 def show_int(domain, int_number):
igor@25 506 """
igor@25 507 Show information about the interface <int_nuber>
igor@25 508 of the domain <domain>
igor@25 509 """
igor@26 510 return vbridges_table[domain][int_number]
igor@24 511
igor@28 512
igor@28 513 def dump_start(bridge, filter=""):
igor@38 514 if bridge in real_bridges:
igor@38 515 print "Bridge %s is a real bridge" % (bridge)
igor@38 516 return -1
igor@32 517 try:
igor@32 518 print "Writing dump... (press Ctrl-C to stop)"
igor@32 519 run_command("sudo tcpdump -w xentaur.dump -i %s %s > /dev/null 2>&1 " % (bridge,filter))
igor@32 520 except:
igor@32 521 print "Done.\n Dump is written to xentaur.dump"
igor@28 522 return 0
igor@28 523
igor@28 524 def dump_stop():
igor@28 525 return 0
igor@33 526
igor@33 527
igor@33 528 #-----------------------------------------------------------------------
igor@33 529 # CONFIGURATION TEMPLATES
igor@33 530
igor@33 531
igor@33 532 def configure_ip_addresses(doms=domains):
igor@40 533
igor@40 534 cisco_set_ip_on_int="""
igor@40 535 \n\n\n
igor@40 536 int fa%s/0
igor@40 537 no ip address
igor@40 538 ip address %s 255.255.255.0
igor@40 539 no shutdown
igor@40 540 exit
igor@40 541 """
igor@40 542
igor@40 543 quagga_set_ip_on_int="""
igor@40 544 int eth%s
igor@40 545 no ip address
igor@40 546 ip address %s/24
igor@40 547 no shutdown
igor@40 548 exit
igor@40 549 """
igor@40 550
igor@40 551 for dom in doms:
igor@40 552 i=domains.index(dom)+1
igor@40 553 if domain_types[domains.index(dom)] == 'quagga':
igor@40 554 command = quagga_set_ip_on_int
igor@40 555 write_to(i,"\nconf t\n")
igor@40 556 j=0
igor@40 557 for br in vbridges_table[dom]:
igor@40 558 write_to(i,command % (j, "192.168.%s.%s"%(bridges.index(br)+1,i)))
igor@40 559 j+=1
igor@40 560 write_to(i,"\nend\n")
igor@40 561 else:
igor@40 562 command = cisco_set_ip_on_int
igor@40 563 write_to(i,"\nena\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@40 569 return 0
igor@40 570
igor@40 571 def configure_no_ip_addresses(doms=domains):
igor@40 572
igor@40 573 cisco_set_ip_on_int="""
igor@40 574 \n\n\n
igor@40 575 int fa%s/0
igor@40 576 no ip address %s 255.255.255.0
igor@40 577 exit
igor@40 578 """
igor@40 579
igor@40 580 quagga_set_ip_on_int="""
igor@40 581 int eth%s
igor@40 582 no ip address %s/24
igor@40 583 exit
igor@40 584 """
igor@40 585
igor@40 586 for dom in doms:
igor@40 587 i=domains.index(dom)+1
igor@40 588 if domain_types[domains.index(dom)] == 'quagga':
igor@40 589 command = quagga_set_ip_on_int
igor@40 590 write_to(i,"\nconf t\n")
igor@40 591 j=0
igor@40 592 for br in vbridges_table[dom]:
igor@40 593 write_to(i,command % (j, "192.168.%s.%s"%(bridges.index(br)+1,i)))
igor@40 594 j+=1
igor@40 595 write_to(i,"\nend\n")
igor@40 596 else:
igor@40 597 command = cisco_set_ip_on_int
igor@40 598 write_to(i,"\nena\nconf t\n")
igor@40 599 j=0
igor@40 600 for br in vbridges_table[dom]:
igor@40 601 write_to(i,command % (j, "192.168.%s.%s"%(bridges.index(br)+1,i)))
igor@40 602 j+=1
igor@40 603 write_to(i,"\nend\n")
igor@33 604 return 0
igor@33 605
igor@33 606 def configure_ospf(doms=domains):
igor@40 607 for dom in doms:
igor@40 608 if domain_types[domains.index(dom)] == 'quagga':
igor@40 609 write_to(dom,"\n\nconf t\nrouter ospf\nnetwork 192.168.0.0/16 area 0\nend\n")
igor@40 610 else:
igor@40 611 write_to(dom,"\n\nena\nconf t\nrouter ospf 1\nnetwork 192.168.0.0 0.0.255.255 area 0\nend\n")
igor@33 612 return 0
igor@33 613
igor@49 614 def configure_hostname(doms=domains):
igor@49 615 for dom in doms:
igor@49 616 if domain_types[domains.index(dom)] == 'quagga':
igor@49 617 write_to(dom,"\n\nconf t\nhostname %s\nend\n" % dom)
igor@49 618 else:
igor@49 619 write_to(dom,"\n\nena\nconf t\nhostname %s\nend\n" % dom)
igor@49 620 return 0
igor@49 621
igor@49 622 def configure_logging_synchronous(doms=domains):
igor@49 623 for dom in domains:
igor@49 624 if domain_types[domains.index(dom)] == 'quagga':
igor@49 625 0
igor@49 626 else:
igor@49 627 write_to(dom,"\n\nena\nconf t\nline console 0\nlogging synchronous\nend\n")
igor@49 628 return 0
igor@49 629
igor@51 630 def configure_exec_timeout_0(doms=domains):
igor@51 631 for dom in domains:
igor@51 632 if domain_types[domains.index(dom)] == 'quagga':
igor@51 633 0
igor@51 634 else:
igor@52 635 write_to(dom,"\n\nena\nconf t\nline console 0\nexec-timeout 0\nend\n")
igor@51 636 return 0
igor@51 637
igor@55 638 def configure_no_cdp_log_mismatch_duplex(doms=domains):
igor@55 639 for dom in filter_by_type(domains,'xenomips'):
igor@55 640 write_to(dom,"\n\nena\nconf t\nno cdp log mismatch duplex\nend\n")
igor@55 641
igor@33 642 def configure_save(doms=domains):
igor@33 643 write_to(doms,"\nwr\n")
igor@33 644
igor@49 645 def configure_root(doms=domains):
igor@49 646 write_to(doms,"root\n")
igor@49 647
igor@0 648 #-----------------------------------------------------------------------
igor@0 649
igor@0 650
igor@0 651 def add_domain(name,type):
igor@0 652 domains.append(name)
igor@0 653 domain_types.append(type)
igor@0 654
igor@0 655 def brake_link(domain,bridge):
igor@0 656 broken_links.append([domain,bridge])
igor@0 657
igor@4 658 wt_timeout=0.5
igor@8 659 def write_to(screen,string,return_to_screen=""):
igor@2 660 """
igor@2 661 write_to(screen,string):
igor@2 662
igor@8 663 Type *string* to the specified screen(s).
igor@8 664 Screen may be specified with the number *screen*,
igor@8 665 with array of numbers,
igor@8 666 with array of names.
igor@2 667
igor@2 668 """
igor@5 669 screen_numbers=[] # number of the screens to write to
igor@5 670 if type(screen) == list:
igor@5 671 screen_numbers=map(lambda x: domains.index(x)+1, screen)
igor@5 672 elif type(screen) == int:
igor@5 673 screen_numbers=[screen]
igor@5 674 else:
igor@5 675 screen_numbers=[domains.index(screen)+1]
igor@5 676
igor@5 677 for screen_number in screen_numbers:
igor@5 678 run_command("screen -X select "+str(screen_number))
igor@5 679 time.sleep(wt_timeout)
igor@5 680 for line in string.splitlines():
igor@5 681 f=open('/tmp/xentaurbuf', 'w')
igor@5 682 f.write(line+"\n")
igor@5 683 f.close()
igor@5 684 run_command("screen -X readreg p /tmp/xentaurbuf")
igor@5 685 time.sleep(wt_timeout)
igor@5 686 run_command("nohup screen -X paste p >& /dev/null")
igor@5 687 time.sleep(wt_timeout)
igor@5 688
igor@8 689 if return_to_screen != "":
igor@8 690 run_command("screen -X select %s" % (return_to_screen))
igor@8 691 time.sleep(wt_timeout)
igor@0 692
igor@49 693 def filter_by_type(doms,type):
igor@49 694 """
igor@49 695 filter_by_type(doms,type)
igor@49 696
igor@49 697 Return only domains of *doms* that have specified *type*
igor@49 698 """
igor@49 699 return filter(lambda x: domain_types[domains.index(x)]==type,domains)
igor@49 700
igor@0 701 #-----------------------------------------------------------------------
igor@0 702
igor@5 703 cisco_fa01_up="""
igor@5 704 ena
igor@5 705 conf t
igor@5 706 int fa0/0
igor@49 707 duplex half
igor@5 708 no shutdown
igor@5 709 exit
igor@5 710 int fa1/0
igor@49 711 duplex half
igor@5 712 no shutdown
igor@5 713 exit
igor@5 714 exit
igor@5 715 exit
igor@5 716 """
igor@5 717
igor@5 718 cisco_set_ip_on_int="""
igor@5 719 interface fa%s/0
igor@5 720 no ip address
igor@5 721 ip address %s 255.255.255.0
igor@5 722 exit
igor@5 723 """
igor@5 724
igor@0 725 nodes=domains
igor@0 726
igor@56 727 create_objects()
igor@56 728
igor@56 729
igor@49 730 if len(sys.argv) == 2:
igor@49 731 if sys.argv[1] == 'start-all':
igor@0 732 start_all()
igor@49 733 elif sys.argv[1] == 'start-domains':
igor@49 734 start_domains()
igor@49 735 elif sys.argv[1] == 'start-bridges':
igor@49 736 start_bridges()
igor@49 737 elif sys.argv[1] == 'stop-all':
igor@0 738 stop_all()
igor@49 739 elif sys.argv[1] == 'stop-domains':
igor@49 740 stop_domains()
igor@49 741 elif sys.argv[1] == 'stop-bridges':
igor@49 742 stop_bridges()
igor@49 743 elif sys.argv[1] == 'restart-all':
igor@49 744 restart_all()
igor@0 745 elif sys.argv[1] == 'screen':
igor@50 746 screen()
igor@0 747 elif sys.argv[1] == 'graph':
igor@0 748 graph()
igor@0 749 elif sys.argv[1] == 'shell':
igor@0 750 shell()
igor@60 751 elif sys.argv[1] == 'info':
igor@60 752 info()
igor@49 753 else:
igor@49 754 show_usage()
igor@49 755 sys.exit(1)
igor@49 756 elif len(sys.argv) == 3:
igor@49 757 if sys.argv[1] == 'start':
igor@49 758 start_domain(sys.argv[2])
igor@49 759 elif sys.argv[1] == 'stop':
igor@49 760 stop_domain(sys.argv[2])
igor@49 761 elif sys.argv[1] == 'restart':
igor@49 762 stop_domain(sys.argv[2])
igor@49 763 start_domain(sys.argv[2])
igor@49 764 else:
igor@49 765 show_usage()
igor@49 766 sys.exit(1)
igor@0 767 else:
igor@0 768 show_usage()
igor@0 769 sys.exit(1)
igor@0 770
igor@0 771 sys.exit(0)
igor@0 772
igor@0 773