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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.slurm;
# configuration file can be generated by http://slurm.schedmd.com/configurator.html
configFile = pkgs.writeText "slurm.conf"
''
${optionalString (cfg.controlMachine != null) ''controlMachine=${cfg.controlMachine}''}
${optionalString (cfg.controlAddr != null) ''controlAddr=${cfg.controlAddr}''}
${optionalString (cfg.nodeName != null) ''nodeName=${cfg.nodeName}''}
${optionalString (cfg.partitionName != null) ''partitionName=${cfg.partitionName}''}
${cfg.extraConfig}
'';
in
{
###### interface
options = {
services.slurm = {
server = {
enable = mkEnableOption "slurm control daemon";
};
client = {
enable = mkEnableOption "slurm rlient daemon";
};
controlMachine = mkOption {
type = types.nullOr types.str;
default = null;
example = null;
description = ''
The short hostname of the machine where SLURM control functions are
executed (i.e. the name returned by the command "hostname -s", use "tux001"
rather than "tux001.my.com").
'';
};
controlAddr = mkOption {
type = types.nullOr types.str;
default = cfg.controlMachine;
example = null;
description = ''
Name that ControlMachine should be referred to in establishing a
communications path.
'';
};
nodeName = mkOption {
type = types.nullOr types.str;
default = null;
example = "linux[1-32] CPUs=1 State=UNKNOWN";
description = ''
Name that SLURM uses to refer to a node (or base partition for BlueGene
systems). Typically this would be the string that "/bin/hostname -s"
returns. Note that now you have to write node's parameters after the name.
'';
};
partitionName = mkOption {
type = types.nullOr types.str;
default = null;
example = "debug Nodes=linux[1-32] Default=YES MaxTime=INFINITE State=UP";
description = ''
Name by which the partition may be referenced. Note that now you have
to write patrition's parameters after the name.
'';
};
extraConfig = mkOption {
default = "";
type = types.lines;
description = ''
Extra configuration options that will be added verbatim at
the end of the slurm configuration file.
'';
};
};
};
###### implementation
config = mkIf (cfg.client.enable || cfg.server.enable) {
environment.systemPackages = [ pkgs.slurm-llnl ];
systemd.services.slurmd = mkIf (cfg.client.enable) {
path = with pkgs; [ slurm-llnl coreutils ];
wantedBy = [ "multi-user.target" ];
after = [ "systemd-tmpfiles-clean.service" ];
serviceConfig = {
Type = "forking";
ExecStart = "${pkgs.slurm-llnl}/bin/slurmd -f ${configFile}";
PIDFile = "/run/slurmd.pid";
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
};
};
systemd.services.slurmctld = mkIf (cfg.server.enable) {
path = with pkgs; [ slurm-llnl munge coreutils ];
wantedBy = [ "multi-user.target" ];
after = [ "network.target" "auditd.service" "munged.service" "slurmdbd.service" ];
requires = [ "munged.service" ];
serviceConfig = {
Type = "forking";
ExecStart = "${pkgs.slurm-llnl}/bin/slurmctld";
PIDFile = "/run/slurmctld.pid";
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
};
environment = { SLURM_CONF = "${configFile}"; };
};
};
}
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