def show_virtual(self, host, port, proto, numeric, color):
"""Show status of virtual server.
"""
logger.debug("GenericDirector:show_virtual Parameters: Host %s Port %s Proto %s" % (host, port, proto))
# if the protocol is FWM, don't convert the "host" IP
if proto.upper() == "FWM":
hostips = ['1']
else:
# make sure we have a valid host
hostips = utils.gethostbyname_ex(host)
if not hostips:
logger.debug("GenericDirector:show_virtual invalid host IP")
return list()
# make sure the port is valid
if port:
portnum = utils.getportnum(port)
if portnum == -1:
logger.debug("GenericDirector:show_virtual invalid port number")
return list()
# Update the ipvs table
self.build_ipvs()
result = ["", "Layer 4 Load balancing"]
result += ["======================"]
for v in self.virtuals:
if v.proto == proto.upper() and v.ip in hostips:
if not port or v.port == str(portnum):
result += v.__str__(numeric, color).split('\n')
return result
def show_virtual(self, host, port, proto, numeric, color):
"""Show status of virtual server.
"""
# make sure we have a valid host
hostips = utils.gethostbyname_ex(host)
if not hostips:
return list()
# make sure the port is valid
if port:
portnum = utils.getportnum(port)
if portnum == -1:
return list()
# Update the ipvs table
self.build_ipvs()
result = ["", "Layer 4 Load balancing"]
result += ["======================"]
for v in self.virtuals:
if v.proto == proto.upper() and v.ip in hostips:
if not port or v.port == str(portnum):
result += v.__str__(numeric, color).split('\n')
return result
def show_virtual(self, host, port, proto, numeric, color):
"""Show status of virtual server.
"""
# make sure we have a valid host
hostips = utils.gethostbyname_ex(host)
if not hostips:
return list()
# make sure the port is valid
if port:
portnum = utils.getportnum(port)
if portnum == -1:
return list()
# Update the ipvs table
self.build_ipvs()
result = ["", "Layer 4 Load balancing"]
result += ["======================"]
for v in self.virtuals:
if v.proto == proto.upper() and v.ip in hostips:
if not port or v.port == str(portnum):
result += v.__str__(numeric, color).split('\n')
return result
def convert_filename(self, filename):
"""
Convert a filename of format host[:port] to IP[:port]
Assumption is that for hosts with more than one IP,
the first IP in the list is used.
"""
values = filename.split(':')
portnum = -1
if not values:
return ''
hostips = utils.gethostbyname_ex(values[0])
if len(values) == 2:
portnum = utils.getportnum(values[1])
if portnum > -1:
return hostips[0] + ':' + str(portnum)
else:
return hostips[0]
def convert_filename(self, filename):
"""
Convert a filename of format host[:port] to IP[:port]
Assumption is that for hosts with more than one IP,
the first IP in the list is used.
"""
values = filename.split(':')
portnum = -1
if not values:
return ''
hostips = utils.gethostbyname_ex(values[0])
if len(values) == 2:
portnum = utils.getportnum(values[1])
if portnum > -1:
return hostips[0] + ':' + str(portnum)
else:
return hostips[0]
def show_virtual(self, host, port, proto, numeric, color):
"""Show status of virtual server.
"""
logger.debug(
"GenericDirector:show_virtual Parameters: Host %s Port %s Proto %s"
% (host, port, proto))
# if the protocol is FWM, don't convert the "host" IP
if proto.upper() == "FWM":
hostips = ['1']
else:
# make sure we have a valid host
hostips = utils.gethostbyname_ex(host)
if not hostips:
logger.debug("GenericDirector:show_virtual invalid host IP")
return list()
# make sure the port is valid
if port:
portnum = utils.getportnum(port)
if portnum == -1:
logger.debug(
"GenericDirector:show_virtual invalid port number")
return list()
# Update the ipvs table
self.build_ipvs()
result = ["", "Layer 4 Load balancing"]
result += ["======================"]
for v in self.virtuals:
if v.proto == proto.upper() and v.ip in hostips:
if not port or v.port == str(portnum):
result += v.__str__(numeric, color).split('\n')
return result
def show_real_active(self, host, port, numeric, color):
"""Show status of an active real server across multiple VIPs.
"""
# make sure we have a valid host
hostips = utils.gethostbyname_ex(host)
if not hostips:
return list()
# If more than one ip is returned for a host. Use the first one
hostip = hostips[0]
# If port is defined verify that it's a valid number
if port:
portnum = utils.getportnum(port)
if portnum == -1:
return list()
else:
portnum = None
# Update the ipvs table
self.build_ipvs()
result = list()
for v in self.virtuals:
# for real in v.realServers:
# if real.ip == hostip:
# logger.debug("real port type: %s" % type(real.port))
# logger.debug("port num type: %s" % type(portnum))
# if not port or real.port == portnum:
# result += v.__str__(numeric, color, real.ip, port).split('\n')
# result += v.__str__(numeric, color, hostip, portnum).split('\n')
r = v.__str__(numeric, color, hostip, portnum)
if r:
result += r.split('\n')
return result
def show_real_active(self, host, port, numeric, color):
"""Show status of an active real server across multiple VIPs.
"""
# make sure we have a valid host
hostips = utils.gethostbyname_ex(host)
if not hostips:
return list()
# If more than one ip is returned for a host. Use the first one
hostip = hostips[0]
# If port is defined verify that it's a valid number
if port:
portnum = utils.getportnum(port)
if portnum == -1:
return list()
else:
portnum = None
# Update the ipvs table
self.build_ipvs()
result = list()
for v in self.virtuals:
# for real in v.realServers:
# if real.ip == hostip:
# logger.debug("real port type: %s" % type(real.port))
# logger.debug("port num type: %s" % type(portnum))
# if not port or real.port == portnum:
# result += v.__str__(numeric, color, real.ip, port).split('\n')
# result += v.__str__(numeric, color, hostip, portnum).split('\n')
r = v.__str__(numeric, color, hostip, portnum)
if r:
result += r.split('\n')
return result
def show_virtual(self, host, port, protocol, numeric, color):
result = list()
args = [self.iptables, '-L', 'INPUT']
if port:
portnum = utils.getportnum(port)
try:
portname = socket.getservbyport(int(portnum))
except socket.error:
portname = portnum
except OverflowError as e:
logger.error("%s" % e)
return list()
if numeric:
args.append('-n')
hostnames = utils.gethostbyname_ex(host)
else:
# Turn this into a list so it behaves like the above case
# And we only perform a list membership check
hostnames = [socket.getfqdn(host)]
# Nested try/except needed to catch exceptions in the "Except"
try:
try:
logger.info("Running: %s" % " ".join(args))
output = subprocess.check_output(args)
# python 2.6 compatibility code
except AttributeError as e:
output, stderr = subprocess.Popen(
args, stdout=subprocess.PIPE).communicate()
except OSError as e:
logger.error("Problem with iptables - %s : %s" %
(e.strerror, args[0]))
return list()
if output:
lines = output.split('\n')
for line in lines:
# break the iptables output into tokens
# assumptions:
# 2nd item is the protocol - tokens[1]
# 5th item is the hostname - tokens[4]
# 7th item is the portname - tokens[6]
tokens = line.split()
if len(tokens) >= 7:
if ((tokens[1] == protocol or tokens[2] == "all")
and tokens[4] in hostnames and
(not port or (tokens[6] == "dpt:" + str(portname)
or tokens[6] == "dpt:" + str(portnum)))):
if color:
if line.startswith('ACCEPT'):
result.append(termcolor.colored(line, 'green'))
elif (line.startswith('REJECT')
or line.startswith('DROP')):
result.append(termcolor.colored(line, 'red'))
else:
result.append(line)
else:
result.append(line)
# If we have any output, let's also display some headers
if result:
result.insert(0, '')
result.insert(1, 'IP Packet filter rules')
result.insert(2, '======================')
return result
def show_virtual(self, host, port, protocol, numeric, color):
result = list()
args = [self.iptables, '-L', 'INPUT']
if port:
portnum = utils.getportnum(port)
try:
portname = socket.getservbyport(int(portnum))
except socket.error:
portname = portnum
except OverflowError as e:
logger.error("%s" % e)
return list()
if numeric:
args.append('-n')
hostnames = utils.gethostbyname_ex(host)
else:
# Turn this into a list so it behaves like the above case
# And we only perform a list membership check
hostnames = [socket.getfqdn(host)]
# Nested try/except needed to catch exceptions in the "Except"
try:
try:
logger.info("Running: %s" % " ".join(args))
output = subprocess.check_output(args)
# python 2.6 compatibility code
except AttributeError as e:
output, stderr = subprocess.Popen(args, stdout=subprocess.PIPE).communicate()
except OSError as e:
logger.error("Problem with iptables - %s : %s" % (e.strerror, args[0]))
return list()
if output:
lines = output.split('\n')
for line in lines:
# break the iptables output into tokens
# assumptions:
# 2nd item is the protocol - tokens[1]
# 5th item is the hostname - tokens[4]
# 7th item is the portname - tokens[6]
tokens = line.split()
if len(tokens) >= 7:
if ((tokens[1] == protocol or tokens[2] == "all") and
tokens[4] in hostnames and
( not port or (tokens[6] == "dpt:" + str(portname) or tokens[6] == "dpt:" + str(portnum)))
):
if color:
if line.startswith('ACCEPT'):
result.append(termcolor.colored(line, 'green'))
elif (line.startswith('REJECT') or
line.startswith('DROP')):
result.append(termcolor.colored(line, 'red'))
else:
result.append(line)
else:
result.append(line)
# If we have any output, let's also display some headers
if result:
result.insert(0, '')
result.insert(1, 'IP Packet filter rules')
result.insert(2, '======================')
return result