OCP4 Upgrade Paths Checker
This is a BASH script that generates a graphical output of the possible OpenShift 4 minor upgrade paths using stable and fast production-ready channels.
$ ./ocp4upc.sh
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OCP4 Upgrade Paths Checker (stable fast) v2.6
Usage:
./ocp4upc.sh source_version [arch]
Source Version:
4.x Extract default graphs using same-minor channels, e.g. '4.2'
4.x.z Generate upgrade paths using next-minor channels, e.g. '4.2.26'
4.x.z. Generate upgrade paths using same-minor channels, e.g. '4.2.26.'
Arch (optional):
amd64 x86_64 (default)
s390x IBM System/390
ppc64le POWER8 little endian
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$ ./ocp4upc.sh 4.3.19
[INFO] Checking prerequisites (curl jq dot)... [OK]
[INFO] Errata provided (4.x.z mode), targeting '4.4' channels for upgrade path generation.
[INFO] Checking if '4.3.19' (amd64) is a valid release... [OK]
[INFO] Result exported as 'stable-4.4_amd64_20200708.svg'
[INFO] Result exported as 'fast-4.4_amd64_20200708.svg'
For more info on how to perform a minor upgrade using oc cli, please refer to this solution (subscription needed).