commit 4994f0f7d062f932ef36ca6e36d5556334c4c93a · pyrox.dev/nixpkgs

+80
nixos/tests/slurm.nix
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       import ./make-test.nix ({ pkgs, ... }:

     

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       let mungekey = "mungeverryweakkeybuteasytointegratoinatest";

     

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           slurmconfig = {

     

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             client.enable = true;

     

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             controlMachine = "control";

     

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             nodeName = ''

     

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               control

     

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               NodeName=node[1-3] CPUs=1 State=UNKNOWN

     

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             '';

     

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             partitionName = "debug Nodes=node[1-3] Default=YES MaxTime=INFINITE State=UP";

     

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           };

     

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       in {

     

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         name = "slurm";

     

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         nodes =

     

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           let

     

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           computeNode =

     

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             { config, pkgs, ...}:

     

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             {

     

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               # TODO slrumd port and slurmctld port should be configurations and

     

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               # automatically allowed by the  firewall.

     

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               networking.firewall.enable = false;

     

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               services.munge.enable = true;

     

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               services.slurm = slurmconfig;

     

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             };

     

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           in {

     

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           control =

     

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             { config, pkgs, ...}:

     

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             {

     

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               networking.firewall.enable = false;

     

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               services.munge.enable = true;

     

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               services.slurm = {

     

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                 server.enable = true;

     

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               } // slurmconfig;

     

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             };

     

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           node1 = computeNode;

     

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           node2 = computeNode;

     

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           node3 = computeNode;

     

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         };

     

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         testScript =

     

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         ''

     

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         startAll;

     

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         # Set up authentification across the cluster

     

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         foreach my $node (($control,$node1,$node2,$node3))

     

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         {

     

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           $node->waitForUnit("default.target");

     

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           $node->succeed("mkdir /etc/munge");

     

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           $node->succeed("echo '${mungekey}' > /etc/munge/munge.key");

     

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           $node->succeed("chmod 0400 /etc/munge/munge.key");

     

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           $node->succeed("systemctl restart munged");

     

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         }

     

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         # Restart the services since they have probably failed due to the munge init

     

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         # failure

     

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         subtest "can_start_slurmctld", sub {

     

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           $control->succeed("systemctl restart slurmctld");

     

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           $control->waitForUnit("slurmctld.service");

     

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         };

     

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         subtest "can_start_slurmd", sub {

     

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           foreach my $node (($control,$node1,$node2,$node3))

     

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           {

     

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             $node->succeed("systemctl restart slurmd.service");

     

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             $node->waitForUnit("slurmd");

     

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           }

     

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         };

     

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         # Test that the cluster work and can distribute jobs;

     

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         subtest "run_distributed_command", sub {

     

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           # Run `hostname` on 3 nodes of the partition (so on all the 3 nodes).

     

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           # The output must contain the 3 different names

     

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           $control->succeed("srun -N 3 hostname | sort | uniq | wc -l | xargs test 3 -eq");

     

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         };

     

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         '';

     

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       })