Merge pull request #421 from mboisson/configurable_suspend_resume_rates

Add parameters to define suspend and resume rates in Slurm

Author: cmd-ntrf

README.md

@@ -943,7 +943,9 @@ to all Slurm's roles. It also installs and configure Munge service.
 | `slurm_version`         | Slurm version to install | Enum['23.02', '23.11', '24.05'] |
 | `os_reserved_memory`    | Memory in MB reserved for the operating system on the compute nodes | Integer |
 | `suspend_time`          | Idle time (seconds) for nodes to becomes eligible for suspension. | Integer |
+| `suspend_rate`          | The rate (nodes per minute) at which nodes are placed into power save mode.| Integer |
 | `resume_timeout`        | Maximum time permitted (seconds) between a node resume request and its availability. | Integer |
+| `resume_rate`           | The rate (nodes per minute) at which nodes in power save mode are returned to normal operation. | Integer |
 | `force_slurm_in_path`   | Enable Slurm's bin path in all users (local and LDAP) PATH environment variable | Boolean |
 | `enable_scrontab`       | Enable user's Slurm-managed crontab | Boolean |
 | `enable_x11_forwarding` | Enable Slurm's built-in X11 forwarding capabilities | Boolean |
@@ -958,7 +960,9 @@ profile::slurm::base::munge_key: ENC[PKCS7, ...]
 profile::slurm::base::slurm_version: '23.11'
 profile::slurm::base::os_reserved_memory: 512
 profile::slurm::base::suspend_time: 3600
+profile::slurm::base::suspend_rate: 20
 profile::slurm::base::resume_timeout: 3600
+profile::slurm::base::resume_rate: 20
 profile::slurm::base::force_slurm_in_path: false
 profile::slurm::base::enable_x11_forwarding: true
 profile::slurm::base::config_addendum: ''

site/profile/manifests/slurm.pp

@@ -12,7 +12,9 @@
   Enum['23.02', '23.11', '24.05'] $slurm_version,
   Integer $os_reserved_memory,
   Integer $suspend_time = 3600,
+  Integer $suspend_rate = 20,
   Integer $resume_timeout = 3600,
+  Integer $resume_rate = 20,
   Boolean $enable_x11_forwarding = true,
   Boolean $enable_scrontab = false,
   String  $config_addendum = '',
@@ -195,7 +197,9 @@
         'nb_nodes'              => length($nodes),
         'suspend_exc_nodes'     => join($suspend_exc_nodes, ','),
         'resume_timeout'        => $resume_timeout,
+        'resume_rate'           => $resume_rate,
         'suspend_time'          => $suspend_time,
+        'suspend_rate'          => $suspend_rate,
         'memlimit'              => $os_reserved_memory,
         'partitions'            => $partitions,
         'slurmctl'              => profile::gethostnames_with_class('profile::slurm::controller'),

site/profile/templates/slurm/slurm.conf.epp

@@ -37,8 +37,8 @@ SuspendProgram=/usr/bin/slurm_suspend
 ResumeFailProgram=/usr/bin/slurm_resume_fail
 ResumeTimeout=<%= $resume_timeout %>
 SuspendTime=<%= $suspend_time %>
-SuspendRate=20
-ResumeRate=20
+SuspendRate=<%= $suspend_rate %>
+ResumeRate=<%= $resume_rate %>
 <% if $suspend_exc_nodes != '' { -%>
 SuspendExcNodes=<%= $suspend_exc_nodes %>
 <% } -%>