Upgrade subsystem overhaul #540
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The software updater installed the base image before installing the patch image for each major and minor release. This comes with the disadvantage that the base image might have bugs and is running for a short time before the patch upgrade begins. To avoid these potential bugs in the base image, a new option to skip installing the base image is now possible.
btorresgil
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Hello, Does this fix suppose to cover upgrade from 10.2.x to 11 ? I'm not having any luck going from 10.2.7 to for example 11.0.2-h2 |
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Now sure if this is still needed..? @jamesholland-uk and I did #548 to expand updater logic. |
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Description
Motivation and Context
10.2.x is the only minor release that does not have a 0 or 1, so needed to add a special case for it in the upgrade logic.
This new upgrade behavior to use patch releases instead of base images is in-line with modern guidance and best practices. It leverages the latest fixes during upgrades rather than the base image which will have more bugs. Upgrades can take a little longer because 2 images need to be downloaded instead of 1 (the base image and the patch image) but there is still only 1 upgrade for each minor release so this difference is negligible and worth the benefit of using safer patched images as intermediate versions.
NOTE: This new behavior is opt-in. This is not a breaking change.
How Has This Been Tested?
Tested on live firewall and via new test suite.
Types of changes
Checklist