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From "Remi Bergsma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-8699) Extra acquired public ip is assigned to wrong eth device
Date Mon, 03 Aug 2015 09:36:04 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14651663#comment-14651663
] 

Remi Bergsma commented on CLOUDSTACK-8699:
------------------------------------------

Work around: I hard-coded the interface to be always 'eth1' for a VPC so I could continue.

vpc_assoc.sh:
 c)    cflag=1 
                ethDev="$OPTARG"

 c)    cflag=1 
                ethDev="eth1"

Best way forward: verify on 4.6, if it's also broken, fix it. Same for 4.5.

> Extra acquired public ip is assigned to wrong eth device
> --------------------------------------------------------
>
>                 Key: CLOUDSTACK-8699
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8699
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Virtual Router
>    Affects Versions: 4.4.4
>         Environment: KVM on CentOS
>            Reporter: Remi Bergsma
>             Fix For: 4.6.0
>
>
> When the public network of a zone is untagged, an extra public ip address is bound to
the wrong interface (eth2 instead of eth1).
> Example:
> root@r-44137-VM:~# ip a
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen
1000
>     link/ether 0e:00:a9:fe:01:eb brd ff:ff:ff:ff:ff:ff
>     inet 169.254.1.235/16 brd 169.254.255.255 scope global eth0
> 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen
1000
>     link/ether 06:46:32:00:00:8d brd ff:ff:ff:ff:ff:ff
>     inet xx.22.37.143/25 brd 85.222.237.255 scope global eth1
> 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen
1000
>     link/ether 02:00:51:27:00:02 brd ff:ff:ff:ff:ff:ff
>     inet 10.0.0.1/24 brd 10.0.0.255 scope global eth2
>     inet xx.22.37.145/25 brd 85.222.237.255 scope global eth2
> Obviously, this does not work.
> # MGT server
> 2015-07-31 13:08:12,330 DEBUG [agent.manager.ClusteredAgentAttache] (API-Job-Executor-98:ctx-cbf1e352
job-799791 ctx-58cb236f) Seq 437-2425751349292433542: Forwarding Seq 437-2425751349292433542:
 { Cmd , MgmtId: 345052433506, via: 437(mccxpod01-hv03.mccxpod01.mccx-shared-2.mccx.mcinfra.net),
Ver: v1, Flags: 100001, [{"com.cloud.agent.api.routing.SetPortForwardingRulesVpcCommand":{"rules":[{"dstIp":"10.0.0.61","dstPortRange":[22,22],"id":54859,"srcIp":"xx.22.37.145","protocol":"tcp","srcPortRange":[22,22],"revoked":false,"alreadyAdded":false,"purpose":"PortForwarding","defaultEgressPolicy":false}],"accessDetails":{"zone.network.type":"Advanced","router.name":"r-44137-VM","router.ip":"169.254.1.235","router.guest.ip":"10.0.0.1"},"wait":0}}]
} to 345052433504
> 2015-07-31 13:08:12,457 DEBUG [agent.transport.Request] (AgentManager-Handler-58:null)
Seq 437-2425751349292433542: Processing:  { Ans: , MgmtId: 345052433506, via: 437, Ver: v1,
Flags: 0, [{"com.cloud.agent.api.Answer":{"result":true,"details":"","wait":0}}] }
> 2015-07-31 13:08:12,457 DEBUG [agent.transport.Request] (API-Job-Executor-98:ctx-cbf1e352
job-799791 ctx-58cb236f) Seq 437-2425751349292433542: Received:  { Ans: , MgmtId: 345052433506,
via: 437, Ver: v1, Flags: 0, { Answer } }
> # AGENT
> 2015-07-31 13:08:12,203 DEBUG [cloud.agent.Agent] (agentRequest-Handler-4:null) Request:Seq
437-2425751349292433541:  { Cmd , MgmtId: 345052433506, via: 437, Ver: v1, Flags: 100001,
[{"com.cloud.agent.api.rout
> ing.IpAssocVpcCommand":{"ipAddresses":[{"accountId":625,"publicIp":"xx.22.37.145","sourceNat":false,"add":true,"oneToOneNat":false,"firstIP":false,"broadcastUri":"vlan://untagged","vlanGateway":"xx.22.37.1
> 29","vlanNetmask":"255.255.255.128","vifMacAddress":"06:46:32:00:00:8d","networkRate":-1,"trafficType":"Public","networkName":"pubbr0","newNic":false}],"accessDetails":{"router.guest.ip":"xx.22.37.143","zone
> .network.type":"Advanced","router.ip":"169.254.1.235","router.name":"r-44137-VM"},"wait":0}}]
}
> 2015-07-31 13:08:12,204 DEBUG [cloud.agent.Agent] (agentRequest-Handler-4:null) Processing
command: com.cloud.agent.api.routing.IpAssocVpcCommand
> 2015-07-31 13:08:12,206 DEBUG [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-4:null)
Executing: /usr/share/cloudstack-common/scripts/network/domr/router_proxy.sh vpc_ipassoc.sh
169.254.1.235  -A
>   -l xx.22.37.145 -c eth2 -g xx.22.37.129 -m 25 -n xx.22.37.128
> As you see, the vpc_assoc.sh script is instructed to use the wrong eth interface.
> See also:
> core/src/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java
> api/src/com/cloud/agent/api/to/IpAddressTO.java



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