def __init__(self, info):
self.namespaces = None
self.path = None
if isinstance(info, dict):
p1 = '#text'
p2 = '@xmlns'
try:
path = info[p1]
namespaces = []
for k, v in info.items():
if k.startswith(p2):
pfx = yang_nsname_to_prefix(v)
d = {'ns': v, 'pfx': pfx}
namespaces.append(d)
nickname = k.split(':')[-1]
path = path.replace(nickname, pfx)
self.namespaces = namespaces
self.path = path
except:
msg = "DEBUG: failed to process info '%s'" % info
dbg_print(msg)
elif isinstance(info, basestring):
self.path = info
else:
msg = "DEBUG: info=%s, " \
"unexpected data format '%s'" % (info, type(info))
dbg_print(msg)
def __init__(self, info):
self.namespaces = None
self.path = None
if isinstance(info, dict):
p1 = '#text'
p2 = '@xmlns'
try:
path = info[p1]
namespaces = []
for k, v in info.items():
if k.startswith(p2):
pfx = yang_nsname_to_prefix(v)
d = {'ns': v, 'pfx': pfx}
namespaces.append(d)
nickname = k.split(':')[-1]
path = path.replace(nickname, pfx)
self.namespaces = namespaces
self.path = path
except:
msg = "DEBUG: failed to process info '%s'" % info
dbg_print(msg)
elif isinstance(info, basestring):
self.path = info
else:
msg = "DEBUG: info=%s, " \
"unexpected data format '%s'" % (info, type(info))
dbg_print(msg)
def __init__(self, event):
p = 'path'
if isinstance(event, dict):
for k, v in event.items():
if k == p:
self.path_info = PathInfo(v)
else:
setattr(self, k, v)
else:
msg = ("DEBUG: event=%s, unexpected data format '%s'" %
(event, type(event)))
dbg_print(msg)
def __init__(self, event):
p = 'path'
if isinstance(event, dict):
for k, v in event.items():
if k == p:
self.path_info = PathInfo(v)
else:
setattr(self, k, v)
else:
msg = ("DEBUG: event=%s, unexpected data format '%s'" %
(event, type(event)))
dbg_print(msg)
def __init__(self, event):
self.added_switches = []
self.removed_switches = []
self.added_hosts = []
self.removed_hosts = []
self.added_links = []
self.removed_links = []
d = xmltodict.parse(event)
try:
p1 = 'notification'
notification = d[p1]
p2 = 'eventTime'
self.timestamp = notification[p2]
self.events = []
p3 = 'data-changed-notification'
p4 = 'data-change-event'
events = notification[p3][p4]
if isinstance(events, list):
for item in events:
tc_evt = TopoChangeEvent(item)
self.events.append(tc_evt)
elif isinstance(events, dict):
tc_evt = TopoChangeEvent(events)
self.events.append(tc_evt)
else:
msg = ("DEBUG: events=%s, unexpected data format '%s'" %
(events, type(events)))
dbg_print(msg)
for event in self.events:
if event.created():
if event.is_switch():
self.added_switches.append(event.get_node_id())
elif event.is_host():
self.added_hosts.append(event.get_node_id())
elif event.is_link():
self.added_links.append(event.get_link_id())
elif event.deleted():
if event.is_switch():
self.removed_switches.append(event.get_node_id())
elif event.is_host():
self.removed_hosts.append(event.get_node_id())
elif event.is_link():
self.removed_links.append(event.get_link_id())
except(Exception):
msg = "DEBUG: failed to process event '%s'" % event
dbg_print(msg)
def __init__(self, event):
self.added_switches = []
self.removed_switches = []
self.added_hosts = []
self.removed_hosts = []
self.added_links = []
self.removed_links = []
d = xmltodict.parse(event)
try:
p1 = 'notification'
notification = d[p1]
p2 = 'eventTime'
self.timestamp = notification[p2]
self.events = []
p3 = 'data-changed-notification'
p4 = 'data-change-event'
events = notification[p3][p4]
if isinstance(events, list):
for item in events:
tc_evt = TopoChangeEvent(item)
self.events.append(tc_evt)
elif isinstance(events, dict):
tc_evt = TopoChangeEvent(events)
self.events.append(tc_evt)
else:
msg = ("DEBUG: events=%s, unexpected data format '%s'" %
(events, type(events)))
dbg_print(msg)
for event in self.events:
if event.created():
if event.is_switch():
self.added_switches.append(event.get_node_id())
elif event.is_host():
self.added_hosts.append(event.get_node_id())
elif event.is_link():
self.added_links.append(event.get_link_id())
elif event.deleted():
if event.is_switch():
self.removed_switches.append(event.get_node_id())
elif event.is_host():
self.removed_hosts.append(event.get_node_id())
elif event.is_link():
self.removed_links.append(event.get_link_id())
except (Exception):
msg = "DEBUG: failed to process event '%s'" % event
dbg_print(msg)
def __init__(self, event):
self.added_nodes = []
self.removed_nodes = []
self.added_flows = []
self.removed_flows = []
d = xmltodict.parse(event)
try:
p1 = 'notification'
notification = d[p1]
p2 = 'eventTime'
self.timestamp = notification[p2]
self.events = []
p3 = 'data-changed-notification'
p4 = 'data-change-event'
events = notification[p3][p4]
if isinstance(events, list):
for item in events:
evt = InventoryChangeEvent(item)
self.events.append(evt)
elif isinstance(events, dict):
evt = InventoryChangeEvent(events)
self.events.append(evt)
else:
msg = ("DEBUG: events=%s, unexpected data format '%s'" %
(events, type(events)))
dbg_print(msg)
for event in self.events:
if event.created():
if event.is_node():
self.added_nodes.append(event.get_node_id())
elif event.is_flow_entry():
flow_info = FlowInfo(event)
self.added_flows.append(flow_info)
elif event.deleted():
if event.is_node():
self.removed_nodes.append(event.get_node_id())
elif event.is_flow_entry():
flow_info = FlowInfo(event)
self.removed_flows.append(flow_info)
except(Exception) as e:
print "Error, %s" % e
def __init__(self, event):
self.added_nodes = []
self.removed_nodes = []
self.added_flows = []
self.removed_flows = []
d = xmltodict.parse(event)
try:
p1 = 'notification'
notification = d[p1]
p2 = 'eventTime'
self.timestamp = notification[p2]
self.events = []
p3 = 'data-changed-notification'
p4 = 'data-change-event'
events = notification[p3][p4]
if isinstance(events, list):
for item in events:
evt = InventoryChangeEvent(item)
self.events.append(evt)
elif isinstance(events, dict):
evt = InventoryChangeEvent(events)
self.events.append(evt)
else:
msg = ("DEBUG: events=%s, unexpected data format '%s'" %
(events, type(events)))
dbg_print(msg)
for event in self.events:
if event.created():
if event.is_node():
self.added_nodes.append(event.get_node_id())
elif event.is_flow_entry():
flow_info = FlowInfo(event)
self.added_flows.append(flow_info)
elif event.deleted():
if event.is_node():
self.removed_nodes.append(event.get_node_id())
elif event.is_flow_entry():
flow_info = FlowInfo(event)
self.removed_flows.append(flow_info)
except (Exception) as e:
print "Error, %s" % e
def __init__(self, event):
self.node_id = None
self.table_id = None
self.flow_id = None
if isinstance(event, InventoryChangeEvent) and event.is_flow_entry():
path = event.get_path()
try:
chunks = path.split('/')
l = []
p = ':id='
for s in chunks:
idx = s.find(p)
if idx >= 0:
l.append(s[idx + len(p):].translate(None, "'[]"))
self.node_id = l[0]
self.table_id = l[1]
self.flow_id = l[2]
except(Exception):
msg = "DEBUG: unexpected string format: %s" % path
dbg_print(msg)
else:
msg = "wrong class usage"
dbg_print(msg)
def __init__(self, event):
self.node_id = None
self.table_id = None
self.flow_id = None
if isinstance(event, InventoryChangeEvent) and event.is_flow_entry():
path = event.get_path()
try:
chunks = path.split('/')
l = []
p = ':id='
for s in chunks:
idx = s.find(p)
if idx >= 0:
l.append(s[idx + len(p):].translate(None, "'[]"))
self.node_id = l[0]
self.table_id = l[1]
self.flow_id = l[2]
except (Exception):
msg = "DEBUG: unexpected string format: %s" % path
dbg_print(msg)
else:
msg = "wrong class usage"
dbg_print(msg)
def add_flow(self, options):
parser = argparse.ArgumentParser(
prog=self.prog,
description="Add flow entries to the Controller's cache",
usage="%(prog)s add-flow -s=SWITCHID|--switch=SWICTHID\n"
" -f <path>|--file <path>\n"
" [--dry-run]\n"
"\n\n"
"Add flow entries to the Controller's cache\n\n"
"\n\n"
"Options:\n"
" -s, --switch switch identifier\n"
" -f, --file path to the file containing flow entries\n"
" (default is './flow.json')\n"
" -dry-run show content of flow(s) to be created"
)
parser.add_argument('-s', '--switch', metavar = "SWITCHID")
parser.add_argument('-f', '--file', metavar="<path>",
dest='flow_file',
help="path to the file containing flow entries "
"(default is './flow.json')",
default="./flow.json")
parser.add_argument('-U', action="store_true", dest="usage",
help=argparse.SUPPRESS)
parser.add_argument('--dry-run', action="store_true",
dest='dry_run', default=False)
args = parser.parse_args(options)
if(args.usage):
parser.print_usage()
print "\n".strip()
return
if(args.dry_run):
flows = self.read_flows(args.flow_file)
if flows:
for flow in flows:
print json.dumps(flow, indent=4)
return
if (args.switch == None):
msg = "option -s (or --switch) is required"
parser.error(msg)
flows = self.read_flows(args.flow_file)
if not flows:
print "Failed to execute command, exit"
exit(1)
print "\n".strip()
print " [Controller '%s']" % self.ctrl_cfg.to_string()
print "\n".strip()
ctrl = Controller(self.ctrl_cfg.ip_addr, self.ctrl_cfg.tcp_port,
self.ctrl_cfg.admin_name, self.ctrl_cfg.admin_pswd)
ofswitch = OFSwitch(ctrl, args.switch)
try:
for flow in flows:
fid = flow['id']
tid = flow['table_id']
js = json.dumps(flow, default=lambda o: o.__dict__)
result = ofswitch.add_modify_flow_json(table_id=tid, flow_id=fid,flow_json=js)
status = result.get_status()
if(status.eq(STATUS.OK) == True):
print "Flow id '%s', success" % fid
else:
print "Flow id '%s', failure, reason: %s" % (fid, status.detailed())
print "\n".strip()
except(Exception) as e:
msg = "Error: %s" % repr(e)
dbg_print(msg)
