Linter for Slurm configuration files
A Simple linter for Slurm Config Files
In my experience it is very easy to make small errors in slurm configuration files, incorrectly listing nodes in the cluster, or failing to assign nodes to partitions, and so on. This package provides a simple command to check slurm files that is suitable for use in automated deployment management.
In addition, a python API is provided allowing checking arbitrary strings of text. Utility functions such as explanding slurm-style hostname lists are also given.
slurmlint command takes a slurm configuration file as an argument
and returns a simple report with errors (if any). If there were errors
then the return code is 1, otherwise 0.
$ slurmlint slurm.conf 753 compute nodes configured Errors detected: Line 126 - Duplicate node definition: ng1031, ng908, ng909, ... Line 127 - Duplicate node definition: ng1031 Line 128 - Duplicate node definition: ng908, ng909, ng910 Line 131 - Defined node has no partition: ng1259 Line 131 - Duplicate node definition: ng1256
This utility does not fully understand the grammar of slurm configuration files and does not guarantee the validity of a configuration file. It only serves to help find certain kinds of simple errors.
This linter applies stricter rules than Slurm for lists of hostnames. Hostnames must be valid hostnames according to RFC-1123, that is they may contain a-z, 0-9, dot, and the minus sign, at most 253 ASCII characters, and must be comprised of "labels" from 1-63 characters connected by dots.
Hostnames can be separated by commas in a list.
The standard (???) rules for brackets apply. If a list entry uses brackets
to denote some numerical range or comma separated list, there must be
brackets at the end of the hostname. One can also have a bracketed range
somewhere else in the hostname provided that there are brackets at the end.
Brackets may contain valid non-negative integers separated by commas, or
ranges such as
1-8. A leading zero in a range denotes a fixed width, i.e.
Note that this linter does not use the slurm parser and will result in "false positive" warnings where allowed hostname ranges still result in warnings.
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