[ https://issues.apache.org/jira/browse/CLOUDSTACK-1685?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Kinsella resolved CLOUDSTACK-1685. --------------------------------------- Resolution: Fixed > If iptables VM chain is missing, security_group.py crashes > ---------------------------------------------------------- > > Key: CLOUDSTACK-1685 > URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1685 > Project: CloudStack > Issue Type: Bug > Security Level: Public(Anyone can view this level - this is the > default.) > Affects Versions: 4.0.0 > Reporter: John Kinsella > Assignee: John Kinsella > > If, for some reason, the iptables rules for a specific VM are removed (given > using ACS in a network that supports ipchains), security_group.py will not be > able to update the ruleset: > 2013-03-14 13:30:31,039 - programming network rules for IP: 50.23.83.141 > vmname=i-2-1722-VM > 2013-03-14 13:30:31,039 - iptables -F i-2-1722-VM > 2013-03-14 13:30:31,046 - Failed to network rule !: Traceback (most recent > call last): > File "/usr/lib64/cloud/common/scripts/vm/network/security_group.py", line > 626, in add_network_rules > execute("iptables -F " + vmchain) > File "/usr/lib64/cloud/common/scripts/vm/network/security_group.py", line > 35, in execute > return bash("-c", cmd).stdout > File "/usr/lib/python2.6/site-packages/cloud_utils.py", line 165, in > __call__ > raise e > CalledProcessError: Command '['/bin/bash', '-c', 'iptables -F i-2-1722-VM']' > returned non-zero exit status 1 > Running the iptables command by hand gives you: > # iptables -F i-2-1722-VM > iptables: No chain/target/match by that name. > Several things could happen here - I'm going to suggest that if the script > finds the chain missing, that it re-initializes it for that VM, and then > continues applying the ruleset (a complete ruleset is passed each time, not > just the adds/removes) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira