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https://issues.apache.org/jira/browse/CLOUDSTACK-6755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14028943#comment-14028943
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ASF subversion and git services commented on CLOUDSTACK-6755:
-------------------------------------------------------------
Commit f4d4e3ffe4575ab0421a33685083fbfaf8a5527e in cloudstack's branch
refs/heads/master from [~murali.reddy]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=f4d4e3f ]
CLOUDSTACK-6755: [OVS] Can't create more than 7 GRE tunnel networks in
xen cluster
XenServer does not create a bridge automatically when VIF from domU is connected
to internal network. So there is logic to force bridge creation by
creating VIF in dom0 connected to GRE tunnel network. But there is no
logic to delete the VIF after bridge gets created. So this fix ensure
VIF is delted when atleast there is one domU VIF connected to the
network.
> [OVS] Can't create more than 7 GRE tunnel networks in xen cluster
> -----------------------------------------------------------------
>
> Key: CLOUDSTACK-6755
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6755
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server, Network Controller, XenServer
> Affects Versions: 4.4.0
> Environment: Latest build from 4.4 with commit
> e6961fd21bb6d793302c234d0f409f66dc498072
> Reporter: Sanjeev N
> Assignee: Murali Reddy
> Priority: Blocker
> Labels: ovs
> Fix For: 4.4.0
>
> Attachments: management-server.rar, ovstunnel.log, xensource.log
>
>
> [OVS] Can't create more than 7 GRE tunnel networks in xen cluster
> Steps to reproduce:
> ==================
> 1.Bring up CS in advanced zone with Xen cluster
> 2.Create physical network with GRE isolation
> 3.Create isolated network offering with virtual networking and OVS as the
> service provider
> 4.Create 8 guest networks with above offering and deploy vms in each network
> Result:
> ======
> CS would create 7 networks successfully and deploying vm in 8th network would
> fail because Tunnel network creation would fail for 8th network
> Following is the log snippet from MS log:
> 2014-05-23 10:18:12,784 DEBUG [c.c.n.e.OvsElement]
> (Work-Job-Executor-89:job-253/job-254 ctx-800616c3) Checking if OvsElement
> can handle service Connectivity on network test1-ovs
> 2014-05-23 10:18:12,789 DEBUG [c.c.n.o.OvsTunnelManagerImpl]
> (Work-Job-Executor-89:job-253/job-254 ctx-800616c3) Creating tunnels with OVS
> tunnel manager
> 2014-05-23 10:18:12,800 DEBUG [c.c.n.o.OvsTunnelManagerImpl]
> (Work-Job-Executor-89:job-253/job-254 ctx-800616c3) Ask host 1 to configure
> bridge for network:227
> 2014-05-23 10:18:12,807 DEBUG [c.c.a.t.Request]
> (Work-Job-Executor-89:job-253/job-254 ctx-800616c3) Seq
> 1-6553863357730929719: Sending { Cmd , MgmtId: 7332683579487, via:
> 1(xen-host-13), Ver: v1, Flags: 100111,
> [{"com.cloud.agent.api.OvsSetupBridgeCommand":{"name":"OVSTunnel991","hostId":1,"networkId":227,"wait":0}}]
> }
> 2014-05-23 10:18:12,808 DEBUG [c.c.a.t.Request]
> (Work-Job-Executor-89:job-253/job-254 ctx-800616c3) Seq
> 1-6553863357730929719: Executing: { Cmd , MgmtId: 7332683579487, via:
> 1(xen-host-13), Ver: v1, Flags: 100111,
> [{"com.cloud.agent.api.OvsSetupBridgeCommand":{"name":"OVSTunnel991","hostId":1,"networkId":227,"wait":0}}]
> }
> 2014-05-23 10:18:12,808 DEBUG [c.c.a.m.DirectAgentAttache]
> (DirectAgent-268:ctx-46e3abbc) Seq 1-6553863357730929719: Executing request
> 2014-05-23 10:18:12,991 DEBUG [c.c.h.x.r.CitrixResourceBase]
> (DirectAgent-268:ctx-46e3abbc) Create a vif on dom0 for tunnel network for
> account OVSTunnel991
> 2014-05-23 10:18:13,056 WARN [c.c.h.x.r.CitrixResourceBase]
> (DirectAgent-268:ctx-46e3abbc) createTunnelNetwork failed
> com.cloud.utils.exception.CloudRuntimeException: Could not find available VIF
> slot in VM with name: Control domain on host: xen-host-13
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.getLowestAvailableVIFDeviceNum(CitrixResourceBase.java:3990)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.enableXenServerNetwork(CitrixResourceBase.java:928)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.findOrCreateTunnelNetwork(CitrixResourceBase.java:1003)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:5268)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:528)
> at
> com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:61)
> at
> com.cloud.hypervisor.xen.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:102)
> at
> com.cloud.hypervisor.xen.resource.XenServer620SP1Resource.executeRequest(XenServer620SP1Resource.java:65)
> at
> com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> 2014-05-23 10:18:13,175 DEBUG [c.c.h.x.r.CitrixResourceBase]
> (DirectAgent-268:ctx-46e3abbc) Create a vif on dom0 for tunnel network for
> account OVSTunnel991
> 2014-05-23 10:18:13,239 WARN [c.c.h.x.r.CitrixResourceBase]
> (DirectAgent-268:ctx-46e3abbc) createTunnelNetwork failed
> com.cloud.utils.exception.CloudRuntimeException: Could not find available VIF
> slot in VM with name: Control domain on host: xen-host-13
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.getLowestAvailableVIFDeviceNum(CitrixResourceBase.java:3990)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.enableXenServerNetwork(CitrixResourceBase.java:928)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.findOrCreateTunnelNetwork(CitrixResourceBase.java:1007)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.configureTunnelNetwork(CitrixResourceBase.java:1022)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:5269)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:528)
> at
> com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:61)
> at
> com.cloud.hypervisor.xen.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:102)
> at
> com.cloud.hypervisor.xen.resource.XenServer620SP1Resource.executeRequest(XenServer620SP1Resource.java:65)
> at
> com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> 2014-05-23 10:18:13,242 WARN [c.c.h.x.r.CitrixResourceBase]
> (DirectAgent-268:ctx-46e3abbc) createandConfigureTunnelNetwork failed
> java.lang.NullPointerException
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.configureTunnelNetwork(CitrixResourceBase.java:1025)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:5269)
> at
> com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:528)
> at
> com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:61)
> at
> com.cloud.hypervisor.xen.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:102)
> at
> com.cloud.hypervisor.xen.resource.XenServer620SP1Resource.executeRequest(XenServer620SP1Resource.java:65)
> at
> com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
> at
> org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
> at
> org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
> 2014-05-23 10:18:13,246 DEBUG [c.c.h.x.r.CitrixResourceBase]
> (DirectAgent-268:ctx-46e3abbc) OVS Bridge configured
> Observations:
> ===========
> On xenserver dom0 vm we are creating vif for every GRE tunnel network. But
> dom0 has a limitation of 7 vifs. So creating 8th tunnel network is failing.
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