Add support for Azure Linux 4 to chrony, kdump, kill, modprobe, dhclient tools#4570
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Pull request overview
This PR updates several LISA “tools” to better support Azure Linux 4 (AzureLinux/CBLMariner v4+) behavior and to make a few tool interactions more robust (chrony parsing, kdump tool selection, process killing, and modprobe reload reconnect behavior).
Changes:
- Treat CBLMariner/AzureLinux v4+ as Fedora-like for kdump and dhclient timeout discovery (NetworkManager path).
- Improve Chrony tracking validation by loosening the Leap Status match to work across output variants.
- Make
Kill.by_name()resolve PIDs viapgrepfirst (withpidoffallback), and reset the node connection on modprobe reload retry.
Reviewed changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| lisa/tools/modprobe.py | On reload retry, closes the node connection to force a fresh SSH transport on the next attempt. |
| lisa/tools/kill.py | Switches “kill by name” flow to PID discovery via pgrep, with pidof fallback. |
| lisa/tools/kdump.py | Routes AzureLinux/CBLMariner v4+ to the Fedora kdump implementation; broadens Fedora installer assertion. |
| lisa/tools/dhclient.py | Adds CBLMariner handling for DHCP timeout logic, using NetworkManager for v4+. |
| lisa/tools/chrony.py | Updates leap-status detection to be more tolerant and uses search() instead of match(). |
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LiliDeng
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Jul 6, 2026
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