Revert Ceph/RBD Snapshot issue #3590
Description
DESCRIPTION
The following exception shows that the parameter "path" had different data from what it was expected to have. I assume that it got the account id "2" instead of the image id:
2019-09-06 21:27:16,094 ERROR [resource.wrapper.LibvirtRevertSnapshotCommandWrapper](agentRequest-Handler-3:null)
(logid:9593f65a) Failed to connect to revert snapshot due to RBD exception:
com.ceph.rbd.RbdException: Failed to open image 2
at com.ceph.rbd.Rbd.open(Rbd.java:243)
at com.ceph.rbd.Rbd.open(Rbd.java:226)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtRevertSnapshotCommandWrapper.execute(LibvirtRevertSnapshotCommandWrapper.java:92)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtRevertSnapshotCommandWrapper.execute(LibvirtRevertSnapshotCommandWrapper.java:49)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtRequestWrapper.execute(LibvirtRequestWrapper.java:78)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1476)
at com.cloud.agent.Agent.processRequest(Agent.java:640)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:1053)
at com.cloud.utils.nio.Task.call(Task.java:83)
at com.cloud.utils.nio.Task.call(Task.java:29)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
The parameter snapshotRelPath = snapshot.getPath() is a critical piece of code that can definitely break the rollback execution flow if its content is not the expected. My tests had pointed for a pattern but the reported issue points to other possibilities that were not the expected.
I will be working to reproduce this error. Should be soon proposing a fix that will ensure a stable Ceph rollback/revert execution. The fix will aim CloudStack 4.13.1.0.
ISSUE TYPE
- Bug Report