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bug: vm is not created for a direct download setup #9772
Description
ISSUE TYPE
- Bug Report
- Improvement Request
COMPONENT NAME
Core, UI
CLOUDSTACK VERSION
4.20.0.0-snapshot.20240928
CONFIGURATION
KVM, Advanced zone, Linstor Primary, NFS Secondary, Alpine Linux ISO setup with a "Direct Download" knob
OS / ENVIRONMENT
Ubuntu 24.04.1
SUMMARY
VM won't start for an ISO installed with the "direct download" feature. The full log is here
STEPS TO REPRODUCE
- Install ACS
- Setup an Advanced Zone
- Add a KVM host
- Prepare/test/validate Linstor cluster
- Create Primary Storage with Linstor
- Create Secondary Storage with NFS
- Start a zone
- Make sure to run 2 SytemVMs
- Create a VPC
- Create a VPC network
- Install Alpine Linux ISO with the "Direct Download" feature
- Create and run VM
EXPECTED RESULTS
VM is created
ACTUAL RESULTS
VM create fails with the following error: Unable to complete AsyncJobVO: {id:42, userId: 2, accountId: 2, instanceType: null, instanceId: null, cmd: com.cloud.vm.VmWorkStart, cmdInfo: XRocmVzaG9sZHhwP0AAAAAAAAx3CAAAABAAAAABdAAKVm1QYXNzd29yZHQAHHJPMEFCWFFBRG5OaGRtVmtYM0JoYzNOM2IzSmt4cA, cmdVersion: 0, status: IN_PROGRESS, processStatus: 0, resultCode: 0, result: null, initMsid: 178597682375863, completeMsid: null, lastUpdated: null, lastPolled: null, created: Sat Oct 05 20:42:39 MSK 2024, removed: null}, job origin: 41 java.lang.ClassCastException: class com.cloud.agent.api.Answer cannot be cast to class org.apache.cloudstack.agent.directdownload.DirectDownloadAnswer (com.cloud.agent.api.Answer and org.apache.cloudstack.agent.directdownload.DirectDownloadAnswer are in unnamed module of loader 'app')
Activity
slavkap commentedon Oct 7, 2024
Hi @tampler, from what I see in the log the VM is not created because the template couldn't be created on the primary storage with direct download
I think Linstor doesn't support this feature from what I saw in the code
tampler commentedon Oct 7, 2024
@slavkap One of the things that concern me is the status of SSVM. I highlighted "Agent State = Off" on the picture above, which indicates invalid SSVM state.
For me, using "Direct Download" feature is a workaround for invalid SSVM setup 😏 , which is another issue and is covered in #9746. I used to use Primary NFS and that option worked well for me ☝️
Now I'd love to switch to the Linstor Primary and this feature won't work. @rp - let me know if you need more info about Linstor setup or related info 🙏
slavkap commentedon Oct 7, 2024
@tampler, I'm sorry I didn't discuss the SSVM issue because I think it was unrelated to the direct download case.
rp- commentedon Oct 11, 2024
Yeah, this isn't implemented yet.
I think I got the Linstor part, but it needs some addition support code for CDROM BLOCK devices in CloudStack.
DaanHoogland commentedon Nov 28, 2024
fixed in #9792