Modifications to Proxmox Virtual Environment in order to add CPU and hard drive temperature readings (powered by lm-sensors) to the PVE web-based management interface.
Temperature readings on the desktop version of the management interface:
Temperature readings on the mobile version of the management interface:
Since the mobile version does not auto-refresh statuses, another enhancement included in these mods is the addition of an Auto-refresh on/off toggle in the mobile Node status view.
These enhancements involve modifying files distributed by Proxmox packages. As such, they should be used on hobby projects only. Also, any updates to the affected Proxmox packages will erase the modifications.
lm-sensors needs to be installed on the hypervisor for the probes to work. To support hard
drive temperatures, the drivetemp module must be loaded for lm-sensors to report SMART
temperature readings. Use sensors -j to get the JSON output from lm-sensors. The JSON
output is used by the modified pve-manager Perl API to report temperatures. Take note of
the keys in the JSON tree leading to the relevant temperature values, as they need to match
the keys in the JSON parsing code in Nodes.pm.
The simple way to apply these modifications is by examining the patch files in the patches directory. Directly applying these patches to the PVE distribution files should only be done if the PVE packages on your system match the version these patches were generated against, however. These patches were made against:
- pve-manager 7.3-6
- proxmox-widget-toolkit 3.5.5
If the version installed on your system are different from these, the patches should not be applied. Instead, use the patches as a reference to make manual modifications to the affected files.
Alternatively, the modified files can be built from Proxmox sources. The modifications have been committed to the following repositories:
Cloning the above two repositories and this repository in the same parent directory, and invoking
make all in this repository, will generate all the modified files within the directory where
this repository is checked out. Building these files requires a development environment where,
at a minimum, the Proxmox packages pve-manager, proxmox-widget-toolkit, and
pve-docs can be successfully built.
Once the modified files have been built, running make install will install the files to the
current system, replacing PVE distributed files. Prior to running make install, it is a good
idea to run make backup to make a copy of the PVE distributed files. Running make restore
will restore the backed up files, replacing the modified ones (make backup must have already
been run for make restore to work.)