def do_set(self):
""" real task """
f = None
content = ml_func.sudo(["grep " + self.cfg["time_zone"] + " /usr/share/zoneinfo/zone.tab"])
if content[0]:
f = content[1].split()[2]
else:
return (False, ["invalid time zone"])
if f:
ret = ml_func.sudo(["cp -f /usr/share/zoneinfo/" + f, "/etc/localtime"])
if not ret[0]:
return (False, ["set localtime failed"])
else:
return (False, ["invalid time zone"])
if self.cfg["date"] and self.cfg["time"]:
tb = self.cfg["date"] + " " + self.cfg["time"]
ret = ml_func.sudo(["date -s ", '\"' + tb + '\"'])
if self.cfg["time_server"]:
f = open("/etc/ntp.conf", "w")
f.writelines("server " + self.cfg["time_server"] + "\n")
f.close()
content = ml_func.sudo(["ntpd -qg"])
if not content[0]:
return (False, ["fail to start NTP service"])
e = ml_func.sudo(["hwclock -w"])
if not e[0]:
return (False, ["fail to set date_time"])
return (True, None)
def do_get(self):
""" real task """
content = ml_func.sudo(["arp -an", "| grep -v PERM", "| grep -v incomplete"])
if content[0]:
lines = content[1].split("\n")
for line in lines:
i = re.search("\(.*\)", line)
m = re.search("at .*? ", line)
d = re.search("on .*", line)
if i and m and d:
self.cfg["ipv4_dynamic"].append({
"interface":line[d.start()+3:d.end()],
"ip":line[i.start()+1:i.end()-1],
"mac":line[m.start()+3:m.end()-1]
})
content = ml_func.sudo(["ip -6 neigh show", "| grep -v PERMANENT", "| grep -v INCOMPLETE"])
if content[0]:
lines = content[1].split("\n")
for line in lines:
i = re.search("\A.*? ", line)
m = re.search("lladdr .*? ", line)
d = re.search("dev .*? ", line)
if i and m and d:
self.cfg["ipv6_dynamic"].append({
"interface":line[d.start()+4:d.end()-1],
"ip":line[i.start():i.end()-1],
"mac":line[m.start()+7:m.end()-1]
})
return (True, None)
def do_set(self):
""" real task """
ret = True
emsg = []
ml_func.sudo(["killall snmpd"])
if self.cfg["enable"] == 1:
f = open("/tmp/snmpd.conf", "w")
f.write("rocommunity "+ self.cfg["community"]+ "\n");
f.write("rwcommunity "+ self.cfg["community"]+ "\n");
f.write("sysLocation "+ self.cfg["system_location"]+ "\n");
f.write("sysName "+ self.cfg["system_name"]+ "\n");
f.write("sysDescr "+ self.cfg["system_name"]+ "\n");
f.write("sysContact "+ self.cfg["system_contact"]+ "\n");
f.close()
e = ml_func.sudo(["mv", "/tmp/snmpd.conf", "/etc/snmp/snmpd.conf"])
if not e[0]:
ret = False
emsg.append(e[1])
e = ml_func.sudo(["snmpd -c", "/etc/snmp/snmpd.conf"])
if not e[0]:
ret = False
emsg.append(e[1])
if not ret:
return (False, emsg)
return (True, None)
def stop_traceroute(user = None, threadlock = None): """ Web UI calls stop_traceroute() return (True, None) (False, list) """ ml_func.sudo(["killall traceroute"], block=True) return (True, None)
def stop_arping(user = None, threadlock = None): """ Web UI calls stop_arping() return (True, None) (False, list) """ ml_func.sudo(["killall arping"], block=True) return (True, None)
def reload(user = None, threadlock = None): """ reload keepalived service return (True, None) (False, list) """ try: ml_func.sudo(["cat", "running/email.conf", "running/vrrpv2.conf", "running/slb.conf", "> /etc/keepalived/keepalived.conf"]) ml_func.sudo(["/etc/rc.d/keepalived restart"]) except Exception as e: return (False, [str(e)]) return (True, None)
def do_set(self): """ real task """ status = True emsg = [] for f in facility_list: e = ml_func.sudo(["sed -i '/" + f + "/d' /etc/rsyslog.conf"]) e = ml_func.sudo(["echo '" + self.cfg["facility"] + "\t\t@" + self.cfg["server_ip"] + "' >> /etc/rsyslog.conf"]) e = ml_func.sudo(["/etc/rc.d/rsyslogd restart"]) if not e[0]: status = False emsg.append(e[1]) if not status: return (False, emsg) return (True, None)
def start_arping(user = None, threadlock = None): """ Web UI calls start_arping() return (True, None) (False, list) """ e = ml_w_ip_address.get() if e[0]: for i in e[1]["ip"]: for p in i["ipv4"]: target = p["ipv4_address"] ml_func.sudo(["arping -U -c 10", target], block=True) return (True, None)
def start_ping(user = None, target = None, threadlock = None): """ Web UI calls start_ping() return (True, str) (False, list) """ if target is None: return (False, ["invalid target"]) if ml_check.validate_ipv4(target): e = ml_func.sudo(["ping -W 3 -c 10", target], block=True) elif ml_check.validate_ipv6(target): e = ml_func.sudo(["ping6 -W 3 -c 10", target], block=True) else: return (False, ["invalid target"]) return e
def do_set(self):
""" real task """
e = ml_func.sudo(["ip -o -0 addr show"], ["| grep @"])
if e[0]:
lines = e[1].split("\n")
for line in lines:
m = re.search(":.*@", line)
if m:
e = ml_func.sudo(["ip link delete dev", line[m.start()+2:m.end()-1]])
for vconfig in self.cfg['vconfig']:
e = ml_func.sudo(["ip link add link", vconfig["interface"], "name", vconfig["interface"] + "." + str(vconfig["vlan_id"]), "type vlan id", str(vconfig["vlan_id"])])
if not e[0]:
return e
e = ml_func.sudo(["ip link set dev", vconfig["interface"] + "." + str(vconfig["vlan_id"]), "up"])
if not e[0]:
return e
return (True, None)
def do_set(self): """ real task """ status = True emsg = [] for ip in self.cfg["ip"]: ml_func.sudo(["ip link set dev", ip["interface"], "down"]) ml_func.sudo(["ip addr flush dev", ip["interface"]]) #ml_func.sudo(["ip route flush table", table]) #ml_func.sudo(["ip route flush cache"]) e = ml_func.sudo(["ip link set dev", ip["interface"], "up"]) if not e[0]: status = False emsg.append(e[1]) for ipv4 in ip["ipv4"]: e = ml_func.sudo(["ip addr add", ipv4["ipv4_address"] + "/" + str(ipv4["ipv4_prefix"]), "dev", ip["interface"]]) if not e[0]: status = False emsg.append(e[1]) for ipv6 in ip["ipv6"]: e = ml_func.sudo(["ip addr add", ipv6["ipv6_address"] + "/" + str(ipv6["ipv6_prefix"]), "dev", ip["interface"]]) if not e[0]: status = False emsg.append(e[1]) if not status: return (False, emsg) else: return (True, None)
def save_startup_to_running(user = None, threadlock = None): """ Web UI calls save_running_to_startup() return (True, None) (False, list) """ status = True emsg = [] e = ml_func.sudo(["rm -rf", ml_system.CFG_PATH]) if not e[0]: status = False emsg.append(e[1]) e = ml_func.sudo(["cp -rf", ml_system.CFG_STARTUP_PATH, ml_system.CFG_PATH]) if not e[0]: status = False emsg.append(e[1]) return (status, emsg)
def get(user = None, threadlock = None):
"""
Web UI calls get()
return
(True, cfg)
(False, list)
"""
cfg = {}
cfg.update({"version": ml_system.VERSION})
cfg.update({"serial_number": ml_system.SERIAL_NUMBER})
try:
ut0 = ml_func.sudo(["uptime"])
if ut0[0]:
m = re.search("up .* user", ut0[1])
else:
return (False, ["Fail to get uptime"])
if m:
ut1 = m.group()
m = re.search(".*,", ut1[3:-4])
else:
return (False, ["Fail to get uptime"])
if m:
ut2 = m.group()
cfg.update({"uptime": ut2[:-1]})
else:
return (False, ["Fail to get uptime"])
ret = ml_func.sudo(["cat /proc/sys/net/netfilter/nf_conntrack_count"])
if ret[0]:
cfg.update({"connections": int(ret[1])})
else:
cfg.update({"connections": 0})
ups = ml_func.sudo(["ps -axo \%cpu="])
if ups[0]:
ua = 0.0
for up in ups[1].split():
ua += float(up)
if ua > 100.0:
ua = 100.0
cfg.update({"cpu_usage": ua})
else:
return (False, ["Fail to get cpu usage"])
except Exception as e:
return (False, [str(e)])
return (True, cfg)
def do_set(self): """ real task """ status = True emsg = [] #ml_func.sudo(["ip route flush table ", table]) ml_func.sudo(["ip route flush cache"]) for ip in self.cfg["ipv4"] + self.cfg['ipv6']: e = ml_func.sudo(["ip link set dev ", ip["interface"], " up"]) if not e[0]: status = False emsg.append(e[1]) e = ml_func.sudo(["ip route add ", ip["destination"] + "/" + str(ip["prefix"]), " dev ", ip["interface"], " via ", ip["gateway"]]) if not e[0]: status = False emsg.append(e[1]) if not status: return (False, emsg) else: return (True, None)
def start_traceroute(user = None, target = None, threadlock = None): """ Web UI calls start_traceroute() return (True, str) (False, list) """ if target is None: return (False, ["invalid target"]) e = ml_func.sudo(["traceroute -n", target], block=True) return e
def do_set(self): """ real task """ # ssh if self.cfg["ssh"]: e = ml_func.sudo(["/etc/rc.d/sshd restart"]) if not e[0]: return e else: e = ml_func.sudo(["/etc/rc.d/sshd stop"]) if not e[0]: return e # telnet if self.cfg["telnet"]: e = ml_func.sudo(["/etc/rc.d/xinetd restart"]) if not e[0]: return e else: e = ml_func.sudo(["/etc/rc.d/xinetd stop"]) if not e[0]: return e return (True, None)
def start_telnetd(user = None, threadlock = None): """ Web UI calls start_telnetd() return (True, None) (False, list) """ e = ml_func.sudo(["/etc/rc.d/xinetd restart"]) if not e[0]: return e else: return (True, None)
def stop_sshd(user = None, threadlock = None): """ Web UI calls stop_sshd() return (True, None) (False, list) """ e = ml_func.sudo(["/etc/rc.d/sshd stop"]) if not e[0]: return e else: return (True, None)
def do_set(self):
""" real task """
status = True
emsg = []
content = ml_func.sudo(["brctl show"])
if content[0]:
lines = content[1].split("\n")
lines.remove(lines[0])
for line in lines:
b = re.search(".*?\t", line)
if b:
ret = ml_func.sudo(["brctl delbr", line[0:b.end()-1]])
if not ret[0]:
return (False, ["Fail to delete bridges"])
for br in self.cfg['br']:
ret = ml_func.sudo(["brctl addbr", br["name"]])
if not ret[0]:
return (False, ["Fail to add bridge " + br["name"]])
buf = ["brctl addif", br["name"]]
for interface in br["interface"]:
sbuf = buf[:]
sbuf.append(interface)
ret = ml_func.sudo(sbuf)
if not ret[0]:
return (False, ["Fail to add interface " + br["interface"] + " to bridge " + br["name"]])
if br["STP"]:
stp = "on"
else:
stp = "off"
ret = ml_func.sudo(["brctl stp", br["name"], stp])
if not ret[0]:
status = False
emsg.append("Fail to set STP mode")
ret = ml_func.sudo(["brctl sethello", br["name"], str(br["hello_time"])])
if not ret[0]:
status = False
emsg.append("Fail to set hello time")
ret = ml_func.sudo(["brctl setmaxage", br["name"], str(br["max_message_age"])])
if not ret[0]:
status = False
emsg.append("Fail to set max message age")
ret = ml_func.sudo(["brctl setfd", br["name"], str(br["forward_delay"])])
if not ret[0]:
status = False
emsg.append("Fail to set forward delay")
if not status:
return (False, emsg)
return (True, None)
def do_set(self):
""" real task """
status = True
emsg = []
content = ml_func.sudo(["arp -an", "| grep PERM"])
if content[0]:
lines = content[1].split("\n")
for line in lines:
m = re.search("\(.*\)", line)
if m:
ret = ml_func.sudo(["arp -d ", line[m.start()+1:m.end()-1]])
if not ret[0]:
return ret
for ipv4 in self.cfg["ipv4_static"]:
ret = ml_func.sudo(["arp -i", ipv4["interface"], "-s", ipv4["ip"], ipv4["mac"]])
if not ret[0]:
status = False
emsg.append(ret[1])
del self.cfg["ipv4_dynamic"][:]
content = ml_func.sudo(["ip -6 neigh show", "| grep PERMANENT"])
if content[0]:
lines = content[1].split("\n")
for line in lines:
if len(line.split()) >= 3:
ret = ml_func.sudo(["ip -6 neigh del", line.split()[0], "dev", line.split()[2]])
if not ret[0]:
return ret
for ipv6 in self.cfg["ipv6_static"]:
ret = ml_func.sudo(["ip -6 neigh add", ipv6["ip"], "lladdr", ipv6["mac"], "dev", ipv6["interface"]])
#if not ret[0]:
# status = False
# emsg.append(ret[1])
del self.cfg["ipv6_dynamic"][:]
if not status:
return (False, emsg)
else:
return (True, None)
def do_set(self):
""" real task """
# please install ecdysis
if self.cfg["enable"]:
ret = ml_func.sudo(["cp -f nat64-config.sample nat64-config.sh"])
if "0.0.0.0" != self.cfg["ipv4"]:
ret = ml_func.sudo(["sed -i 's/#IPV4_ADDR/IPV4_ADDR/' nat64-config.sh"])
ret = ml_func.sudo(["sed -i 's/XTERA-IPV4/" + self.cfg["ipv4"] + "/' nat64-config.sh"])
ret = ml_func.sudo(["sed -i 's/XTERA-IPV6/" + self.cfg["ipv6"] + "/' nat64-config.sh"])
ret = ml_func.sudo(["sed -i 's/XTERA-PREFIX/" + str(self.cfg["ipv6_prefix"]) + "/' nat64-config.sh"])
ret = ml_func.sudo(["mv -f nat64-config.sh /bin"])
if not ret[0]:
return (False, ["fail to parse nat64 script"])
try:
os.chmod("/bin/nat64-config.sh",
stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR |
stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH | stat.S_IXOTH
)
except Exception as e:
return (False, [str(e)])
ml_func.sudo(["nat64-config.sh"])
else:
ml_func.sudo(["ifconfig nat64 down"])
ml_func.sudo(["rmmod nf_nat64"])
return (True, None)
def do_set(self): """ real task """ # clear all connection limit rules ml_func.sudo(["iptables -t mangle -F"]) for cl4 in self.cfg["ipv4"]: src = "-s " + cl4["source_ip"] dst = "-d " + cl4["destination_ip"] protocol = "" if "TCP" == cl4["protocol"]: protocol = "-p tcp --tcp-flags FIN,SYN,RST,ACK SYN" elif "UDP" == cl4["protocol"]: protocol = "-p udp" else: return (False, ["invalid protocol - " + cl4["protocol"]]) limit = "-m limit " if cl4["limit_rate"] >= 0: limit += "--limit " + str(cl4["limit_rate"]) if "day" == cl4["limit_rate_unit"]: limit += "/d " elif "hour" == cl4["limit_rate_unit"]: limit += "/h " elif "minute" == cl4["limit_rate_unit"]: limit += "/m " elif "second" == cl4["limit_rate_unit"]: limit += "/s " else: return (False, ["invalid limit rate unit - " + cl4["limit_rate_unit"]]) if cl4["limit_burst"] >= 0: limit += "--limit-burst " + str(cl4["limit_burst"]) ret = ml_func.sudo(["iptables -t mangle -A PREROUTING", src, dst, protocol, limit, "-j ACCEPT"]) if not ret[0]: return (False, ["fail to set connection limit rule"]) ret = ml_func.sudo(["iptables -t mangle -A PREROUTING", src, dst, protocol, "-j DROP"]) if not ret[0]: return (False, ["fail to set connection limit rule"]) for cl6 in self.cfg["ipv6"]: src = "-s " + cl6["source_ip"] dst = "-d " + cl6["destination_ip"] protocol = "" if "TCP" == cl6["protocol"]: protocol = "-p tcp --tcp-flags FIN,SYN,RST,ACK SYN" elif "UDP" == cl6["protocol"]: protocol = "-p udp" else: return (False, ["invalid protocol - " + cl6["protocol"]]) limit = "-m limit " if cl6["limit_rate"] >= 0: limit += "--limit " + str(cl6["limit_rate"]) if "day" == cl6["limit_rate_unit"]: limit += "/d " elif "hour" == cl6["limit_rate_unit"]: limit += "/h " elif "minute" == cl6["limit_rate_unit"]: limit += "/m " elif "second" == cl6["limit_rate_unit"]: limit += "/s " else: return (False, ["invalid limit rate unit - " + cl6["limit_rate_unit"]]) if cl6["limit_burst"] >= 0: limit += "--limit-burst " + str(cl6["limit_burst"]) ret = ml_func.sudo(["ip6tables -t mangle -A PREROUTING", src, dst, protocol, limit, "-j ACCEPT"]) if not ret[0]: return (False, ["fail to set connection limit rule"]) ret = ml_func.sudo(["ip6tables -t mangle -A PREROUTING", src, dst, protocol, "-j DROP"]) if not ret[0]: return (False, ["fail to set connection limit rule"]) return (True, None)
def get(user = None, threadlock = None):
"""
Web UI calls get()
return
(True, cfg)
(False, list)
"""
cfg = {"port":[]}
try:
interfaces = []
# get all interfaces
ret_pis = ml_func.sudo(["ifconfig -a -s"])
if ret_pis[0]:
pis = ret_pis[1].split("\n")
if len(pis) > 1:
pis.remove(pis[0])
for pi in pis:
m = re.match("(\w+) ", pi)
if m:
if m.group(1) != "lo":
interfaces.append(m.group(1))
else:
return (False, ["Fail to get port"])
for i in interfaces:
port = {"interface":i}
# get every interface's speed/duplex
ret_pe = ml_func.sudo(["ethtool", i, "| grep Speed"])
if ret_pe[0]:
s = ret_pe[1].split()[1]
m = re.match("(\d+)", s)
if m:
speed = m.group()
else:
speed = "Unknown"
else:
return (False, ["Fail to get port speed of " + i])
ret_pe = ml_func.sudo(["ethtool", i, "| grep Duplex"])
if ret_pe[0]:
duplex = ret_pe[1].split()[1]
else:
return (False, ["Fail to get port duplex of " + i])
port.update({"status": speed + "/" + duplex})
# get every interface's RX, TX, and "Down" status.
port.update({"RX":{}, "TX":{}})
ret_pi = ml_func.sudo(["ifconfig", i])
if ret_pi[0]:
raw = ret_pi[1].split("\n")
m = re.search("UP", raw[0])
if m is None:
port.update({"status":"Down"})
for r in raw:
m = re.search("RX packets\s+(\d+)\s+bytes\s+(\d+)", r)
if m:
port["RX"].update({"packets":m.group(1)})
port["RX"].update({"bytes":m.group(2)})
m = re.search("TX packets\s+(\d+)\s+bytes\s+(\d+)", r)
if m:
port["TX"].update({"packets":m.group(1)})
port["TX"].update({"bytes":m.group(2)})
else:
return (False, ["Fail to get port " + i])
cfg["port"].append(port)
except Exception as e:
return (False, [str(e)])
return (True, cfg)
def do_set(self):
""" real task """
mark = 1
sbuf = ""
ml_func.sudo(["/sbin/iptables -t filter -F FORWARD"])
ml_func.sudo(["/sbin/ip6tables -t filter -F FORWARD"])
ml_func.sudo(["/sbin/iptables -t mangle -F PREROUTING"])
ml_func.sudo(["/sbin/ip6tables -t mangle -F PREROUTING"])
# check fields
if self.cfg.has_key("policy"):
if self.cfg["policy"].has_key("ipv4"):
for policy in self.cfg["policy"]["ipv4"]:
if label_get(policy["source_ip"], self.cfg["ip"]["ipv4"]) == None:
return (False, ["source ip - " + policy["source_ip"] + " does not exist"])
if label_get(policy["destination_ip"], self.cfg["ip"]["ipv4"]) == None:
return (False, ["destination ip - " + policy["destination_ip"] + " does not exist"])
if label_get(policy["service_group"], self.cfg["service_group"]["ipv4"]) == None:
return (False, ["service group - " + policy["service_group"] + " does not exist"])
if policy["action"] == "VIP":
if label_get(policy["real_server_group"], self.cfg["real_server_group"]["ipv4"]) == None:
return (False, ["real server group - " + policy["real_server_group"] + " does not exist"])
if label_get(policy["fallback_server"], self.cfg["fallback_server"]["ipv4"]) == None:
return (False, ["fallback server - " + policy["fallback_server"] + " does not exist"])
if label_get(policy["property"], self.cfg["property"]) == None:
return (False, ["property - " + policy["property"] + " does not exist"])
# add firewall mark
src = ""
for s in label_get(policy["source_ip"], self.cfg["ip"]["ipv4"])["ip_address"]:
if s != "ANY" and s != "":
src = " -s " + s
dst = ""
for d in label_get(policy["destination_ip"], self.cfg["ip"]["ipv4"])["ip_address"]:
if d != "ANY" and d != "":
dst = " -d " + d
service = label_get(policy["service_group"], self.cfg["service_group"]["ipv4"])
protocol = ""
if service["protocol"] == "TCP":
protocol = " -p tcp "
elif service["protocol"] == "UDP":
protocol = " -p udp "
elif service["protocol"] == "BOTH":
protocol = ""
else:
return (False, ["unknown protocol - " + service["protocol"]])
port = ""
if len(service["application_port"]) > 0:
port = " -m multiport --dports "
for p in service["application_port"]:
try:
port += str(p) + ","
except Exception as e:
return (False, [str(e)])
port = port[:-1]
ml_func.sudo(["/sbin/iptables -t mangle -A PREROUTING", src, dst, protocol, port, "-j MARK --set-mark " + str(mark)])
# add keepalived
sbuf += "{0}virtual_server fwmark %d {{\n".format(" "*0) % (mark)
proper = label_get(policy["property"], self.cfg["property"])
if proper["health_check_interval"] >= 0:
sbuf += "{0}delay_loop %d\n".format(" "*4) % (proper["health_check_interval"])
if bm_get(proper["balance_mode"]) == None:
return (False, ["unknown balance mode - " + proper["balance_mode"]])
sbuf += "{0}lb_algo %s\n".format(" "*4) % (bm_get(proper["balance_mode"]))
if fm_get(proper["forward_method"]) == None:
return (False, ["unknown forward method - " + proper["forward_method"]])
sbuf += "{0}lb_kind %s\n".format(" "*4) % (fm_get(proper["forward_method"]))
if proper["persistence"] >= 0:
sbuf += "{0}persistence_timeout %d\n".format(" "*4) % (proper["persistence"])
sbuf += "{0}persistence_granularity %s\n".format(" "*4) % (proper["ipv4_netmask"])
if policy["fallback_server"] != "NA":
sbuf += "{0}sorry_server %s 0\n".format(" "*4) % (label_get(policy["fallback_server"], self.cfg["fallback_server"]["ipv4"])["ip_address"])
real_server = label_get(policy["real_server_group"], self.cfg["real_server_group"]["ipv4"])
sbuf += "{0}real_server %s 0 {{\n".format(" "*4) % (real_server["ip_address"])
if real_server["maintenance_mode"]:
sbuf += "{0}weight 0\n".format(" "*8)
elif real_server["weight"] >= 0:
sbuf += "{0}weight %d\n".format(" "*8) % (real_server["weight"])
if real_server["health_check"] != "NA":
ret = hc_get(real_server)
if ret[0]:
for s in ret[1]:
sbuf += "{0}%s\n".format(" "*8) % (s)
else:
return ret
sbuf += "{0}}}\n".format(" "*4)
sbuf += "{0}}}\n".format(" "*0)
elif policy["action"] == "Accept" or policy["action"] == "Deny":
src = ""
for s in label_get(policy["source_ip"], self.cfg["ip"]["ipv4"])["ip_address"]:
if s != "ANY" and s != "":
src = " -s " + s
dst = ""
for d in label_get(policy["destination_ip"], self.cfg["ip"]["ipv4"])["ip_address"]:
if d != "ANY" and d != "":
dst = " -d " + d
service = label_get(policy["service_group"], self.cfg["service_group"]["ipv4"])
protocol = ""
if service["protocol"] == "TCP":
protocol = " -p tcp "
elif service["protocol"] == "UDP":
protocol = " -p udp "
elif service["protocol"] == "BOTH":
return (False, ["not support protocol - " + service["protocol"]])
else:
return (False, ["unknown protocol - " + service["protocol"]])
port = ""
if len(service["application_port"]) > 0:
port = " -m multiport --dports "
for p in service["application_port"]:
try:
port += str(p) + ","
except Exception as e:
return (False, [str(e)])
port = port[:-1]
if policy["action"] == "Accept":
action = "-j ACCEPT"
elif policy["action"] == "Deny":
action = "-j DROP"
ml_func.sudo(["/sbin/iptables -t filter -I FORWARD", src, dst, protocol, port, action])
else:
return (False, ["unknown policy action - " + policy["action"]])
mark += 1
if self.cfg["policy"].has_key("ipv6"):
for policy in self.cfg["policy"]["ipv6"]:
if label_get(policy["source_ip"], self.cfg["ip"]["ipv6"]) == None:
return (False, ["source ip - " + policy["source_ip"] + " does not exist"])
if label_get(policy["destination_ip"], self.cfg["ip"]["ipv6"]) == None:
return (False, ["destination ip - " + policy["destination_ip"] + " does not exist"])
if label_get(policy["service_group"], self.cfg["service_group"]["ipv6"]) == None:
return (False, ["service group - " + policy["service_group"] + " does not exist"])
if policy["action"] == "VIP":
if label_get(policy["real_server_group"], self.cfg["real_server_group"]["ipv6"]) == None:
return (False, ["real server group - " + policy["real_server_group"] + " does not exist"])
if label_get(policy["fallback_server"], self.cfg["fallback_server"]["ipv6"]) == None:
return (False, ["fallback server - " + policy["fallback_server"] + " does not exist"])
if label_get(policy["property"], self.cfg["property"]) == None:
return (False, ["property - " + policy["property"] + " does not exist"])
# add firewall mark
src = ""
for s in label_get(policy["source_ip"], self.cfg["ip"]["ipv6"])["ip_address"]:
if s != "ANY" and s != "":
src = " -s " + s
dst = ""
for d in label_get(policy["destination_ip"], self.cfg["ip"]["ipv6"])["ip_address"]:
if d != "ANY" and d != "":
dst = " -d " + d
service = label_get(policy["service_group"], self.cfg["service_group"]["ipv6"])
protocol = ""
if service["protocol"] == "TCP":
protocol = " -p tcp "
elif service["protocol"] == "UDP":
protocol = " -p udp "
elif service["protocol"] == "BOTH":
protocol = ""
else:
return (False, ["unknown protocol - " + service["protocol"]])
port = ""
if len(service["application_port"]) > 0:
port = " -m multiport --dports "
for p in service["application_port"]:
try:
port += str(p) + ","
except Exception as e:
return (False, [str(e)])
port = port[:-1]
ml_func.sudo(["/sbin/ip6tables -t mangle -A PREROUTING", src, dst, protocol, port, "-j MARK --set-mark " + str(mark)])
# add keepalived
sbuf += "{0}virtual_server fwmark %d {{\n".format(" "*0) % (mark)
proper = label_get(policy["property"], self.cfg["property"])
if proper["health_check_interval"] >= 0:
sbuf += "{0}delay_loop %d\n".format(" "*4) % (proper["health_check_interval"])
if bm_get(proper["balance_mode"]) == None:
return (False, ["unknown balance mode - " + proper["balance_mode"]])
sbuf += "{0}lb_algo %s\n".format(" "*4) % (bm_get(proper["balance_mode"]))
if fm_get(proper["forward_method"]) == None:
return (False, ["unknown forward method - " + proper["forward_method"]])
sbuf += "{0}lb_kind %s\n".format(" "*4) % (fm_get(proper["forward_method"]))
if proper["persistence"] >= 0:
sbuf += "{0}persistence_timeout %d\n".format(" "*4) % (proper["persistence"])
sbuf += "{0}persistence_granularity %s\n".format(" "*4) % (proper["ipv6_prefix"])
if policy["fallback_server"] != "NA":
sbuf += "{0}sorry_server %s 0\n".format(" "*4) % (label_get(policy["fallback_server"], self.cfg["fallback_server"]["ipv6"])["ip_address"])
real_server = label_get(policy["real_server_group"], self.cfg["real_server_group"]["ipv6"])
sbuf += "{0}real_server %s 0 {{\n".format(" "*4) % (real_server["ip_address"])
if real_server["maintenance_mode"]:
sbuf += "{0}weight 0\n".format(" "*8)
elif real_server["weight"] >= 0:
sbuf += "{0}weight %d\n".format(" "*8) % (real_server["weight"])
if real_server["health_check"] != "NA":
ret = hc_get(real_server)
if ret[0]:
for s in ret[1]:
sbuf += "{0}%s\n".format(" "*8) % (s)
else:
return ret
sbuf += "{0}}}\n".format(" "*4)
sbuf += "{0}}}\n".format(" "*0)
elif policy["action"] == "Accept" or policy["action"] == "Deny":
src = ""
for s in label_get(policy["source_ip"], self.cfg["ip"]["ipv6"])["ip_address"]:
if s != "ANY" and s != "":
src = " -s " + s
dst = ""
for d in label_get(policy["destination_ip"], self.cfg["ip"]["ipv6"])["ip_address"]:
if d != "ANY" and d != "":
dst = " -d " + d
service = label_get(policy["service_group"], self.cfg["service_group"]["ipv6"])
protocol = ""
if service["protocol"] == "TCP":
protocol = " -p tcp "
elif service["protocol"] == "UDP":
protocol = " -p udp "
elif service["protocol"] == "BOTH":
return (False, ["not support protocol - " + service["protocol"]])
else:
return (False, ["unknown protocol - " + service["protocol"]])
port = ""
if len(service["application_port"]) > 0:
port = " -m multiport --dports "
for p in service["application_port"]:
try:
port += str(p) + ","
except Exception as e:
return (False, [str(e)])
port = port[:-1]
if policy["action"] == "Accept":
action = "-j ACCEPT"
elif policy["action"] == "Deny":
action = "-j DROP"
ml_func.sudo(["/sbin/ip6tables -t filter -I FORWARD", src, dst, protocol, port, action])
else:
return (False, ["unknown policy action - " + policy["action"]])
mark += 1
# update conf file
try:
file = open("running/slb.conf", "w")
file.write(sbuf)
file.close()
except Exception as e:
return (False, [str(e)])
# reload service
return (True, None)
def do_set(self):
""" real task """
# generate conf file content
gbuf = ""
ibuf = ""
if self.cfg.has_key("group"):
for group in self.cfg["group"]:
if group.has_key("group-name"):
gbuf += "{0}vrrp_sync_group %s {{\n".format(" "*0) % (group["group-name"])
gbuf += "{0}group {{\n".format(" "*4)
if group.has_key("instance"):
for instance in group["instance"]:
if instance.has_key("instance-name"):
gbuf += "{0}%s\n".format(" "*8) % (instance["instance-name"])
ibuf += "{0}vrrp_instance %s {{\n".format(" "*0) % (instance["instance-name"])
if instance.has_key("priority") and 255 == instance["priority"]:
ibuf += "{0}state %s\n".format(" "*4) % ("MASTER")
else:
ibuf += "{0}state %s\n".format(" "*4) % ("BACKUP")
if instance.has_key("interface"):
ibuf += "{0}interface %s\n".format(" "*4) % (instance["interface"])
if instance.has_key("additional_track_interface"):
ibuf += "{0}track_interface {{\n".format(" "*4)
for track in instance["additional_track_interface"]:
if track.has_key("interface"):
ibuf += "{0}%s\n".format(" "*8) % (track["interface"])
ibuf += "{0}}}\n".format(" "*4)
if instance.has_key("delay-gratuitous-arp"):
ibuf += "{0}garp_master_delay %d\n".format(" "*4) % (instance["delay-gratuitous-arp"])
if instance.has_key("virtual-router-id"):
ibuf += "{0}virtual_router_id %d\n".format(" "*4) % (instance["virtual-router-id"])
if instance.has_key("priority"):
ibuf += "{0}priority %d\n".format(" "*4) % (instance["priority"])
if instance.has_key("advertisement-interval"):
ibuf += "{0}advert_int %d\n".format(" "*4) % (instance["advertisement-interval"])
if instance.has_key("ipv4_vip") or instance.has_key("ipv6_vip"):
ibuf += "{0}virtual_ipaddress {{\n".format(" "*4)
if instance.has_key("ipv4_vip"):
for ipv4_vip in instance["ipv4_vip"]:
if ipv4_vip.has_key("ipv4"):
ibuf += "{0}%s\n".format(" "*8) % (ipv4_vip["ipv4"])
if instance.has_key("ipv6_vip"):
for ipv6_vip in instance["ipv6_vip"]:
if ipv6_vip.has_key("ipv6"):
ibuf += "{0}%s\n".format(" "*8) % (ipv6_vip["ipv6"])
if instance.has_key("ipv4_vip") or instance.has_key("ipv6_vip"):
ibuf += "{0}}}\n".format(" "*4)
if instance.has_key("preempt"):
if not instance["preempt"]:
ibuf += "{0}nopreempt\n".format(" "*4)
#ibuf += "{0}preempt_delay %d\n".format(" "*4) % (300)
ibuf += "{0}}}\n".format(" "*0)
gbuf += "{0}}}\n".format(" "*4)
gbuf += "{0}}}\n".format(" "*0)
# update conf file
try:
file = open("keepalived.conf", "w")
file.write(gbuf)
file.write(ibuf)
file.close()
except Exception as e:
return (False, [str(e)])
# reload service
try:
ml_func.sudo(["/etc/rc.d/keepalived restart"])
except Exception as e:
return (False, [str(e)])
return (True, None)
def do_set(self):
""" real task """
status = True
admin_password = ""
monitor_password = ""
users = ml_func.sudo(["awk -F: '{print $1}' /etc/passwd"])
if not users[0]:
return (False, ["fail to read /etc/passwd"])
# SLB users cannot duplicate or exist in system users
for user in users[1].split():
try:
ret_uid = ml_func.sudo(["id -u", user])
if ret_uid[0]:
uid = int(ret_uid[1].strip())
else:
continue
except Exception as e:
continue
if uid < 1000:
for u in self.cfg["user"]:
if u["name"] == user:
return (False, ["not allow account name " + user])
name_list = []
for u in self.cfg["user"]:
if u["name"] in name_list:
return (False, ["detected duplicate account name " + u["name"]])
name_list.append(u["name"])
# admin and monitor accounts must exist and can not change group
if "admin" not in name_list or "monitor" not in name_list:
return (False, ["not allow to delete default accounts"])
for u in self.cfg["user"]:
if u["name"] == "admin":
admin_password = u["password"]
if u["group"] != "admin":
return (False, ["not allow to change default group of admin"])
if u["name"] == "monitor":
monitor_password = u["password"]
if u["group"] != "monitor":
return (False, ["not allow to change default group of monitor"])
# delete all SLB users (UID >= 1000)
for user in users[1].split():
if user == "admin" or user == "monitor":
continue
try:
ret_uid = ml_func.sudo(["id -u", user])
if ret_uid[0]:
uid = int(ret_uid[1].strip())
else:
continue
except Exception as e:
continue
if uid >= 1000:
ret_del = ml_func.sudo(["userdel -r", user])
if not ret_del[0]:
status = False
if not status:
return (False, ["fail to delete users"])
e = ml_func.sudo(["userdel -r", "monitor"])
e = ml_func.sudo(["userdel -r", "admin"])
# delete all SLB groups
e = ml_func.sudo(["groupdel", "monitor"])
e = ml_func.sudo(["groupdel", "admin"])
# add SLB users and groups
e = ml_func.sudo(["useradd -m", "admin", "-s /bin/ml_c_cli_command.py"])
if not e[0]:
return (False, ["fail to add admin"])
e = ml_func.sudo(["echo admin:" + admin_password + "| chpasswd"])
print "echo admin:" + admin_password + "| chpasswd"
if not e[0]:
return (False, ["fail to set admin password"])
e = ml_func.sudo(["useradd -m", "monitor", "-s /bin/ml_c_cli_command.py"])
if not e[0]:
return (False, ["fail to add monitor"])
e = ml_func.sudo(["echo monitor:" + monitor_password + "| chpasswd"])
print "echo monitor:" + monitor_password + "| chpasswd"
if not e[0]:
return (False, ["fail to set monitor password"])
for new_user in self.cfg["user"]:
if new_user["name"] == "admin" or new_user["name"] == "monitor":
continue
ret_new = ml_func.sudo(["useradd -m", new_user["name"], "-G", new_user["group"], "-s /bin/ml_c_cli_command.py"])
if ret_new[0]:
ret_password = ml_func.sudo(["echo", new_user["name"] + ":" + new_user["password"], "| chpasswd"])
if not ret_password[0]:
status = False
else:
status = False
if not status:
return (False, ["fail to add users"])
return (True, None)
def get(user = None, threadlock = None):
"""
Web UI calls get()
return
(True, cfg)
(False, list)
"""
cfg = {"vips":[]}
try:
rr0 = ml_func.sudo(["ipvsadm -ln --rate"])
if not rr0[0]:
return (False, ["ipvsadm fails"])
data = rr0[1].split("\n")
#print data
if "" in data:
#print "take null lines out"
data.remove("")
#print "pass d-zone"
if len(data) <= 3:
return (True, cfg)
for line in data[3:]:
tokens = line.split()
if tokens[0] == "->":
rip = {}
if "]:" in tokens[1]:
address = tokens[1].split("]:")[0].strip("[")
port = tokens[1].split("]:")[1]
else:
address = tokens[1].split(":")[0]
port = tokens[1].split(":")[1]
rip.update({
"rip": address,
"port": port,
"connections/sec": tokens[2],
"inbound_packets/sec": tokens[3],
"outbound_packets/sec": tokens[4],
"inbound_bytes/sec": tokens[5],
"outbound_bytes/sec": tokens[6]
})
if "rips" in vip.keys():
vip["rips"].append(rip)
else:
return (False, ["fail to parse rip from ipvsadm output"])
else:
if len(tokens) != 7:
return (False, ["fail to parse vip from ipvsadm output"])
vip = {}
if "]:" in tokens[1]:
address = tokens[1].split("]:")[0].strip("[")
port = tokens[1].split("]:")[1]
else:
address = tokens[1].split(":")[0]
port = tokens[1].split(":")[1]
vip.update({
"vip": address,
"port": port,
"connections/sec": tokens[2],
"inbound_packets/sec": tokens[3],
"outbound_packets/sec": tokens[4],
"inbound_bytes/sec": tokens[5],
"outbound_bytes/sec": tokens[6],
"rips": []
})
cfg["vips"].append(vip)
except Exception as e:
return (False, [str(e)])
return (True, cfg)
def get(user = None, threadlock = None):
"""
Web UI calls get()
return
(True, cfg)
(False, list)
"""
cfg = {"vips":[]}
try:
rp0 = ml_func.sudo(["ipvsadm -ln --persistent-conn"])
if not rp0[0]:
return (False, ["ipvsadm fails"])
data = rp0[1].split("\n")
if "" in data:
data.remove("")
if len(data) <= 3:
return (True, cfg)
for line in data[3:]:
tokens = line.split()
if tokens[0] == "->":
if len(tokens) != 6:
return (False, ["fail to parse rip from ipvsadm output"])
rip = {}
if "]:" in tokens[1]:
address = tokens[1].split("]:")[0].strip("[")
else:
address = tokens[1].split(":")[0]
rip.update({
"rip": address,
"weight": tokens[2],
"persistent": tokens[3],
"active": tokens[4],
"inactive": tokens[5]
})
if "rips" in vip.keys():
vip["rips"].append(rip)
else:
return (False, ["fail to parse rip from ipvsadm output"])
else:
if len(tokens) != 5:
return (False, ["fail to parse vip from ipvsadm output"])
vip = {}
if "]:" in tokens[1]:
address = tokens[1].split("]:")[0].strip("[")
netmask = 0
prefix = 64
else:
address = tokens[1].split(":")[0]
netmask = 24
prefix = 0
vip.update({
"vip": address,
"persistent": tokens[4],
"netmask": netmask,
"prefix": prefix,
"rips": []
})
cfg["vips"].append(vip)
except Exception as e:
return (False, [str(e)])
return (True, cfg)
