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CLOUDSTACK-8881: Fixed Static and PF configuration issue #882

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Merged
asfgit merged 1 commit into from
Sep 27, 2015
Merged

CLOUDSTACK-8881: Fixed Static and PF configuration issue #882

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24 changes: 23 additions & 1 deletion 24 systemvm/patches/debian/config/opt/cloud/bin/configure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -662,6 +662,20 @@ def process(self):
elif rule["type"] == "staticnat":
self.processStaticNatRule(rule)

#return the VR guest interface ipo
def getGuestIp(self):
ipr = []
ipAddr = None
for ip in self.config.address().get_ips():
if ip.is_guest():
ipr.append(ip)
if len(ipr) > 0:
ipAddr = sorted(ipr)[-1]
if ipAddr:
return ipAddr.get_ip()

return None

def getDeviceByIp(self, ipa):
for ip in self.config.address().get_ips():
if ip.ip_in_subnet(ipa):
Expand Down Expand Up @@ -725,7 +739,7 @@ def forward_vr(self, rule):
)
fw4 = "-j SNAT --to-source %s -A POSTROUTING -s %s -d %s/32 -o %s -p %s -m %s --dport %s" % \
(
self.getGatewayByIp(rule['internal_ip']),
self.getGuestIp(),
self.getNetworkByIp(rule['internal_ip']),
rule['internal_ip'],
self.getDeviceByIp(rule['internal_ip']),
Expand Down Expand Up @@ -809,6 +823,14 @@ def processStaticNatRule(self, rule):
"-A POSTROUTING -o %s -s %s/32 -j SNAT --to-source %s" % (device, rule["internal_ip"], rule["public_ip"])])
self.fw.append(["nat", "front",
"-A OUTPUT -d %s/32 -j DNAT --to-destination %s" % (rule["public_ip"], rule["internal_ip"])])
self.fw.append(["filter", "",
"-A FORWARD -i %s -o eth0 -d %s -m state --state NEW -j ACCEPT " % (device, rule["internal_ip"])])

#configure the hairpin nat
self.fw.append(["nat", "front",
"-A PREROUTING -d %s -i eth0 -j DNAT --to-destination %s" % (rule["public_ip"], rule["internal_ip"])])

self.fw.append(["nat", "front", "-A POSTROUTING -s %s -d %s -j SNAT -o eth0 --to-source %s" % (self.getNetworkByIp(rule['internal_ip']),rule["internal_ip"], self.getGuestIp())])


def main(argv):
Expand Down
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