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Fixed null pointer after deleting snapshot, GC and cross cluster vm migration on XCP-NG #4130

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rohityadavcloud merged 1 commit into from
Jun 15, 2020
Merged

Fixed null pointer after deleting snapshot, GC and cross cluster vm migration on XCP-NG #4130

rohityadavcloud merged 1 commit into from
Jun 15, 2020

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@Spaceman1984
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@Spaceman1984 Spaceman1984 commented Jun 5, 2020

Description

Fixes #4090

When trying to migrate a VM across 2 clusters, if a snapshot has been deleted and garbage collection has run to update the removed field, it is not possible to migrate the instance due to a null pointer.

Types of changes

  • Breaking change (fix or feature that would cause existing functionality to change)
  • New feature (non-breaking change which adds functionality)
  • Bug fix (non-breaking change which fixes an issue)
  • Enhancement (improves an existing feature and functionality)
  • Cleanup (Code refactoring and cleanup, that may add test cases)

Screenshots (if appropriate):

How Has This Been Tested?

This has been tested by migrating an instance to another Xenserver cluster using XCP-NG as the hypervisor in both clusters.

Process to follow:

  • Create a zone with 2 clusters.
  • Create an instance in 1 cluster.
  • Take a root volume snapshot of the instance.
  • Delete the snapshot.
  • Wait for the removed field to be populated in the snapshots table.
  • Migrate the instance.

@rohityadavcloud rohityadavcloud added this to the 4.13.2.0 milestone Jun 8, 2020
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rohityadavcloud commented Jun 8, 2020 •
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@Spaceman1984 could you run package and test yourself for your PRs in future?
@blueorangutan package

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blueorangutan commented Jun 8, 2020

@rhtyd a Jenkins job has been kicked to build packages. I'll keep you posted as I make progress.

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blueorangutan commented Jun 8, 2020

Packaging result: ✔centos7 ✔debian. JID-1299

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rohityadavcloud commented Jun 9, 2020

@blueorangutan test

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blueorangutan commented Jun 9, 2020

@rhtyd a Trillian-Jenkins test job (centos7 mgmt + kvm-centos7) has been kicked to run smoke tests

@apache apache deleted a comment from blueorangutan Jun 13, 2020
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rohityadavcloud commented Jun 13, 2020

@blueorangutan test

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blueorangutan commented Jun 13, 2020

@rhtyd a Trillian-Jenkins test job (centos7 mgmt + kvm-centos7) has been kicked to run smoke tests

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blueorangutan commented Jun 13, 2020

Trillian test result (tid-1701)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 32371 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr4130-t1701-kvm-centos7.zip
Intermittent failure detected: /marvin/tests/smoke/test_certauthority_root.py
Intermittent failure detected: /marvin/tests/smoke/test_internal_lb.py
Intermittent failure detected: /marvin/tests/smoke/test_privategw_acl.py
Intermittent failure detected: /marvin/tests/smoke/test_routers_network_ops.py
Smoke tests completed. 76 look OK, 1 have error(s)
Only failed tests results shown below:

Test Result Time (s) Test File
test_02_vpc_privategw_static_routes Failure 184.32 test_privategw_acl.py
test_03_vpc_privategw_restart_vpc_cleanup Failure 182.01 test_privategw_acl.py
test_04_rvpc_privategw_static_routes Failure 250.19 test_privategw_acl.py

shwstppr
shwstppr approved these changes Jun 15, 2020
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LGTM, makes sense for preventing NPE

@rohityadavcloud rohityadavcloud merged commit 6a683dc into apache:4.13 Jun 15, 2020
@sureshanaparti sureshanaparti mentioned this pull request Apr 15, 2021
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@rohityadavcloud rohityadavcloud rohityadavcloud approved these changes

@shwstppr shwstppr shwstppr approved these changes

@DaanHoogland DaanHoogland Awaiting requested review from DaanHoogland

@harikrishna-patnala harikrishna-patnala Awaiting requested review from harikrishna-patnala

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