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https://issues.apache.org/jira/browse/CLOUDSTACK-8488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14555657#comment-14555657
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Abhinandan Prateek commented on CLOUDSTACK-8488:
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2 chars change took my 2 days :-(
> network with LB rules fails to restart
> --------------------------------------
>
> Key: CLOUDSTACK-8488
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8488
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Virtual Router
> Affects Versions: 4.6.0
> Reporter: Abhinandan Prateek
> Assignee: Abhinandan Prateek
> Priority: Critical
> Fix For: 4.6.0
>
>
> Restarting network fails as the LB rules formatting is not good:
> Snippet from the VR config son that is degenerated for LB:
> </script>
> <file>
> /var/cache/cloud/load_balancer.json
> {"rules":[{"configuration":["global","\tlog 127.0.0.1:3914 local0
> warning","\tmaxconn 4096","\tmaxpipes 1024","\tchroot
> /var/lib/haproxy","\tuser haproxy","\tgroup haproxy","\tdaemon","\t
> ","defaults","\tlog global","\tmode tcp","\toption
> dontlognull","\tretries 3","\toption redispatch","\toption
> forwardfor","\toption forceclose","\ttimeout connect 5000","\ttimeout
> client 50000","\ttimeout server 50000","\nlisten stats_on_public
> 192.168.100.67:8081\n\tmode http\n\toption httpclose\n\tstats enable\n\tstats
> uri /admin?stats\n\tstats realm Haproxy\\ Statistics\n\tstats auth
> admin1:AdMiN123\n","\t ","listen 192_168_100_67-80
> 192.168.100.67:80","\tbalance roundrobin","\tserver 192_168_100_67-80_0
> 10.1.1.121:80 check","\tserver 192_168_100_67-80_1 10.1.1.211:80
> check","\tmode http","\toption httpclose","\t ","\t
> "],"tmp_cfg_file_path":"/etc/haproxy/","tmp_cfg_file_name":"haproxy.cfg.new.1432103998137","add_rules":["192.168.100.67:80:"],"remove_rules":[],"stat_rules":["192.168.100.67:8081:0/0:,"],"router_ip":"169.254.3.40"}],"type":"loadbalancer"}
> </file>
> Due to formatting issues, there is an error when tis config is applied on VR:
> 2015-05-20 12:10:05,222 ERROR [c.c.u.s.SshHelper]
> (DirectAgent-86:ctx-94e1e0a8) SSH execution of command
> /opt/cloud/bin/router_proxy.sh vr_cfg.sh 169.254.3.40 -c
> /var/cache/cloud/VR-41f28904-b10b-4074-aa42-f4d4105ec49b.cfg has an error
> status code in return. result output: VR config: execution failed:
> "/opt/cloud/bin/update_config.py load_balancer.json", check
> /var/log/cloud.log in VR for details
> On VR the rules are copied to /var/cache/cloud/load_balancer.json with
> content:
> {"rules":[{"configuration":["global","tlog 127.0.0.1:3914 local0
> warning","tmaxconn 4096","tmaxpipes 1024","tchroot /var/lib/haproxy","tuser
> haproxy","tgroup haproxy","tdaemon","t ","defaults","tlog global","tmode
> tcp","toption dontlognull","tretries 3","toption redispatch","toption
> forwardfor","toption forceclose","ttimeout connect 5000","ttimeout client
> 50000","ttimeout server 50000","nlisten stats_on_public
> 192.168.100.67:8081ntmode httpntoption httpclosentstats enablentstats uri
> /admin?statsntstats realm Haproxy\ Statisticsntstats auth
> admin1:AdMiN123n","t ","listen 192_168_100_67-80 192.168.100.67:80","tbalance
> roundrobin","tserver 192_168_100_67-80_0 10.1.1.121:80 check","tserver
> 192_168_100_67-80_1 10.1.1.211:80 check","tmode http","toption httpclose","t
> ","t
> "],"tmp_cfg_file_path":"/etc/haproxy/","tmp_cfg_file_name":"haproxy.cfg.new.1432103998137","add_rules":["192.168.100.67:80:"],"remove_rules":[],"stat_rules":["192.168.100.67:8081:0/0:,"],"router_ip":"169.254.3.40"}],"type":"loadbalancer"}
> The following text is badly formatted:
> "nlisten stats_on_public 192.168.100.67:8081ntmode httpntoption
> httpclosentstats enablentstats uri /admin?statsntstats realm Haproxy\
> Statisticsntstats auth admin1:AdMiN123n","t ",
> Looks like the \n and \t have messed up the format.
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