[jira] [Created] (CLOUDSTACK-9113) Vm stats can not be updated if one vm has inconsistent state between KVM and db

["Wei Zhou (JIRA)" <ji...@apache.org>]

Wei Zhou created CLOUDSTACK-9113:
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             Summary: Vm stats can not be updated if one vm has inconsistent state between KVM and db
                 Key: CLOUDSTACK-9113
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9113
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
            Reporter: Wei Zhou
            Assignee: Wei Zhou


on KVM, if there is a vm has inconsistent state between hypervisor and db, the getVmStat will terminate and return nothing, all vm stats will not be updated.

2015-12-07 11:24:25,711 DEBUG [cloud.agent.Agent] (agentRequest-Handler-3:null) Processing command: com.cloud.agent.api.GetVmStatsCommand
2015-12-07 11:24:25,711 DEBUG [kvm.resource.LibvirtConnection] (agentRequest-Handler-3:null) Looking for libvirtd connection at: qemu:///system
2015-12-07 11:24:25,729 DEBUG [kvm.resource.LibvirtConnection] (agentRequest-Handler-3:null) Looking for libvirtd connection at: qemu:///system
2015-12-07 11:24:25,746 DEBUG [kvm.resource.LibvirtConnection] (agentRequest-Handler-3:null) Looking for libvirtd connection at: qemu:///system
2015-12-07 11:24:25,748 DEBUG [kvm.resource.LibvirtConnection] (agentRequest-Handler-3:null) Can not find KVM connection for Instance: i-2-7563-VM, continuing.
2015-12-07 11:24:25,748 DEBUG [kvm.resource.LibvirtConnection] (agentRequest-Handler-3:null) Looking for libvirtd connection at: lxc:///
2015-12-07 11:24:25,750 DEBUG [kvm.resource.LibvirtConnection] (agentRequest-Handler-3:null) Can not find LXC connection for Instance: i-2-7563-VM, continuing.
2015-12-07 11:24:25,750 WARN  [kvm.resource.LibvirtConnection] (agentRequest-Handler-3:null) Can not find a connection for Instance i-2-7563-VM. Assuming the default connection.
2015-12-07 11:24:25,750 DEBUG [kvm.resource.LibvirtConnection] (agentRequest-Handler-3:null) Looking for libvirtd connection at: qemu:///system
2015-12-07 11:24:25,752 DEBUG [resource.wrapper.LibvirtGetVmStatsCommandWrapper] (agentRequest-Handler-3:null) Can't get vm stats: org.libvirt.LibvirtException: Domain not found: no domain with matching name 'i-2-7563-VM'
2015-12-07 11:24:25,819 DEBUG [cloud.agent.Agent] (agentRequest-Handler-5:null) Processing command: com.cloud.agent.api.GetHostStatsCommand
2015-12-07 11:24:26,037 DEBUG [cloud.agent.Agent] (agentRequest-Handler-1:null) Processing command: com.cloud.agent.api.GetStorageStatsCommand



we should skip the vm which has inconsistent state, and continue on others.

how to reproduce:
(1) start a vm
(2) 'virsh destroy' the vm
(3) check the agent.log (notice the vm.stats.intervel in global configuruation)



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