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September 19, 2016 15:01
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Issues with ref parent with rollback vs upgrade
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| I chatted with miabbott on IRC to find the right `ostree rev-parse` syntax to find the parent of the current deployment: | |
| `ostree rev-parse fedora-atomic/24/x86_64/docker-host^` | |
| This would allow the test case to find the previous tree to deploy to test rollbacks and upgrades. | |
| Building test cases for Tunir, I wanted to see what the error output would be for the very first tree in a release cycle (i.e. Fedora 24) so the test case wouldn't try to rollback to something that didn't exist. | |
| After updating to the current tree (24.45) I then deployed 24, and rebooted. Once on 24, I rolled back to 24.45. The oddness happened here. I tried the `ostree rev-parse` command on this rolled back 24.45 and it threw the error as if the tree was still 24. | |
| If I ran an upgrade from 24 to 24.45, the `ostree rev-parse` worked as expected and showed the parent, 24.44. | |
| ### Upgrade to latest (24.45) | |
| [vagrant@fah-master ~]$ sudo atomic host upgrade | |
| Updating from: fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| 128 metadata, 1587 content objects fetched; 115828 KiB transferred in 95 seconds | |
| Copying /etc changes: 24 modified, 0 removed, 65 added | |
| Transaction complete; bootconfig swap: yes deployment count change: 0 | |
| Freed objects: 479.3 MB | |
| [vagrant@fah-master ~]$ sudo atomic host status | |
| State: idle | |
| Deployments: | |
| fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24.45 (2016-09-18 01:58:21) | |
| Commit: b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b | |
| OSName: fedora-atomic | |
| ● fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24.43 (2016-09-15 22:18:06) | |
| Commit: b46e283bd4defb10757c4343ff4627f50ba10766a33b8f8c0a95b2f8824cdcb5 | |
| OSName: fedora-atomic | |
| [vagrant@fah-master ~]$ sudo systemctl reboot | |
| [vagrant@fah-master ~]$ sudo atomic host status | |
| State: idle | |
| Deployments: | |
| ● fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24.45 (2016-09-18 01:58:21) | |
| Commit: b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b | |
| OSName: fedora-atomic | |
| fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24.43 (2016-09-15 22:18:06) | |
| Commit: b46e283bd4defb10757c4343ff4627f50ba10766a33b8f8c0a95b2f8824cdcb5 | |
| OSName: fedora-atomic | |
| [vagrant@fah-master ~]$ ostree rev-parse fedora-atomic/24/x86_64/docker-host^ | |
| 2304f6278e51ecc85404bfd6786e4b6181bef010a44f392a1a517975ddcc8e3c | |
| ### Deploy 24 | |
| [vagrant@fah-master ~]$ sudo atomic host deploy 24 | |
| Resolving version '24' | |
| 1019 metadata, 7017 content objects fetched; 250544 KiB transferred in 271 seconds | |
| Copying /etc changes: 24 modified, 0 removed, 67 added | |
| Transaction complete; bootconfig swap: yes deployment count change: 0 | |
| Freed objects: 154.0 MB | |
| [vagrant@fah-master ~]$ sudo atomic host status | |
| State: idle | |
| Deployments: | |
| fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24 (2016-07-20 17:21:21) | |
| Commit: 076c89f879b14c24b5912c0daa389e1e8e227bc2456d4a59fe1619f5bd2c9202 | |
| OSName: fedora-atomic | |
| ● fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24.45 (2016-09-18 01:58:21) | |
| Commit: b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b | |
| OSName: fedora-atomic | |
| [vagrant@fah-master ~]$ sudo systemctl reboot | |
| [vagrant@fah-master ~]$ sudo atomic host status | |
| State: idle | |
| Deployments: | |
| ● fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24 (2016-07-20 17:21:21) | |
| Commit: 076c89f879b14c24b5912c0daa389e1e8e227bc2456d4a59fe1619f5bd2c9202 | |
| OSName: fedora-atomic | |
| GPGSignature: (unsigned) | |
| fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24.45 (2016-09-18 01:58:21) | |
| Commit: b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b | |
| OSName: fedora-atomic | |
| GPGSignature: (unsigned) | |
| [vagrant@fah-master ~]$ ostree rev-parse fedora-atomic/24/x86_64/docker-host^ | |
| error: Commit 076c89f879b14c24b5912c0daa389e1e8e227bc2456d4a59fe1619f5bd2c9202 has no parent | |
| ### Rollback to 24.45, check `ostree rev-parse` | |
| [vagrant@fah-master ~]$ sudo atomic host rollback | |
| Moving 'b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b.0' to be first deployment | |
| Transaction complete; bootconfig swap: yes deployment count change: 0 | |
| [vagrant@fah-master ~]$ sudo systemctl reboot | |
| [vagrant@fah-master ~]$ sudo atomic host status | |
| State: idle | |
| Deployments: | |
| ● fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24.45 (2016-09-18 01:58:21) | |
| Commit: b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b | |
| OSName: fedora-atomic | |
| fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24 (2016-07-20 17:21:21) | |
| Commit: 076c89f879b14c24b5912c0daa389e1e8e227bc2456d4a59fe1619f5bd2c9202 | |
| OSName: fedora-atomic | |
| [vagrant@fah-master ~]$ ostree rev-parse fedora-atomic/24/x86_64/docker-host^ | |
| error: Commit 076c89f879b14c24b5912c0daa389e1e8e227bc2456d4a59fe1619f5bd2c9202 has no parent | |
| ### Upgrade to 24.45 instead of rollback to 24.45 | |
| [vagrant@fah-master ~]$ sudo atomic host status | |
| State: idle | |
| Deployments: | |
| ● fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24 (2016-07-20 17:21:21) | |
| Commit: 076c89f879b14c24b5912c0daa389e1e8e227bc2456d4a59fe1619f5bd2c9202 | |
| OSName: fedora-atomic | |
| GPGSignature: (unsigned) | |
| fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24.45 (2016-09-18 01:58:21) | |
| Commit: b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b | |
| OSName: fedora-atomic | |
| GPGSignature: (unsigned) | |
| [vagrant@fah-master ~]$ ostree rev-parse fedora-atomic/24/x86_64/docker-host^ | |
| error: Commit 076c89f879b14c24b5912c0daa389e1e8e227bc2456d4a59fe1619f5bd2c9202 has no parent | |
| [vagrant@fah-master ~]$ sudo atomic host upgrade | |
| Updating from: fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Copying /etc changes: 24 modified, 0 removed, 73 added | |
| Transaction complete; bootconfig swap: yes deployment count change: 0 | |
| [vagrant@fah-master ~]$ sudo atomic host status | |
| State: idle | |
| Deployments: | |
| ● fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24.45 (2016-09-18 01:58:21) | |
| Commit: b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b | |
| OSName: fedora-atomic | |
| fedora-atomic:fedora-atomic/24/x86_64/docker-host | |
| Version: 24 (2016-07-20 17:21:21) | |
| Commit: 076c89f879b14c24b5912c0daa389e1e8e227bc2456d4a59fe1619f5bd2c9202 | |
| OSName: fedora-atomic | |
| [vagrant@fah-master ~]$ ostree rev-parse fedora-atomic/24/x86_64/docker-host^ | |
| 2304f6278e51ecc85404bfd6786e4b6181bef010a44f392a1a517975ddcc8e3c |
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As far as I can tell, this happens with any rollback operation, not just rolling all the way back to the head. With a deploy of 24.44 from 24.45, a rollback shows the parent in
ostree rev-parseshows the parent of 24.44 not the parent of 24.45.[vagrant@fah-master ~]$ sudo atomic host status
State: idle
Deployments:
● fedora-atomic:fedora-atomic/24/x86_64/docker-host
Version: 24.44 (2016-09-16 23:15:10)
Commit: 2304f6278e51ecc85404bfd6786e4b6181bef010a44f392a1a517975ddcc8e3c
OSName: fedora-atomic
fedora-atomic:fedora-atomic/24/x86_64/docker-host
Version: 24.45 (2016-09-18 01:58:21)
Commit: b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b
OSName: fedora-atomic
[vagrant@fah-master ~]$ ostree rev-parse fedora-atomic/24/x86_64/docker-host^
b46e283bd4defb10757c4343ff4627f50ba10766a33b8f8c0a95b2f8824cdcb5
[vagrant@fah-master ~]$ sudo atomic host rollback
Moving 'b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b.1' to be first deployment
Transaction complete; bootconfig swap: no deployment count change: 0
[vagrant@fah-master ~]$ sudo atomic host status
State: idle
Deployments:
● fedora-atomic:fedora-atomic/24/x86_64/docker-host
Version: 24.45 (2016-09-18 01:58:21)
Commit: b1aaee15d913332740bb3badd493fe3ac9e2cc22914833481e2efca5cc48580b
OSName: fedora-atomic
fedora-atomic:fedora-atomic/24/x86_64/docker-host
Version: 24.44 (2016-09-16 23:15:10)
Commit: 2304f6278e51ecc85404bfd6786e4b6181bef010a44f392a1a517975ddcc8e3c
OSName: fedora-atomic
[vagrant@fah-master ~]$ ostree rev-parse fedora-atomic/24/x86_64/docker-host^
b46e283bd4defb10757c4343ff4627f50ba10766a33b8f8c0a95b2f8824cdcb5
Note the output is the same for both
ostree rev-parseruns, even though we have a different active commit