Jayapal Reddy created CLOUDSTACK-9968:
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             Summary: VR iptables rules are not properly processed due to this 
rule config is failing.
                 Key: CLOUDSTACK-9968
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9968
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
    Affects Versions: 4.9.0
            Reporter: Jayapal Reddy
             Fix For: 4.10.0.0


In CsNetfilter.py to_str method is inefficient, it can't handle CONNMARK target 
 iptables rules option. It receives a dictionary which contains iptables value 
(hex) as key.

1. iptables mangle rule when iptables-save is run.
-A PREROUTING -s 10.1.1.68/32 -m state --state NEW -j CONNMARK --save-mark 
--nfmask 0xffffffff --ctmask 0xffffffff

2. To_str method recieved the following dictionary in which only one 0xffffffff 
and it is a key.
2017-06-20 08:40:37,682  CsNetfilter.py to_str:287 Before to_str rule: : 
{u'--save-mark': u'--nfmask', u'-A': u'PREROUTING', u'-s': u'10.1.1.68/32', 
u'-j': u'CONNMARK', u'0xffffffff': u'--ctmask', u'--state': u'NEW', u'-m2': 
u'state'}

3. Based on the above the below incorrect rule is framed.
2017-06-20 08:40:37,682  CsNetfilter.py to_str:303 After str rule: : -D 
PREROUTING -s 10.1.1.68/32 -m state --state NEW -j CONNMARK

4. Rule execution fails because of the missing options.
2017-06-20 08:40:37,682  CsNetfilter.py get_unseen:129 unseen cmd:  iptables -t 
mangle -D PREROUTING -s 10.1.1.68/32 -m state --state NEW -j CONNMARK
2017-06-20 08:40:37,688  CsHelper.py execute:188 Executed: iptables -t mangle 
-D PREROUTING -s 10.1.1.68/32 -m state --state NEW -j CONNMARK -* exitstatus=2*



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