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nixos/slurm: add pmix to test and cleanup test

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* use tmpfiles to create key for munge
* add mpitest source
* add a subtest for PMIx/MPI startup
This commit is contained in:
Markus Kowalewski 2020-07-02 14:27:43 +02:00
parent 93d8aa7da9
commit 61fceac1bb
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GPG key ID: D865C8A91D7025EB
1 changed files with 59 additions and 34 deletions
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93
nixos/tests/slurm.nix
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@ -1,16 +1,52 @@
import ./make-test-python.nix ({ lib, ... }:
import ./make-test-python.nix ({ lib, pkgs, ... }:
let
mungekey = "mungeverryweakkeybuteasytointegratoinatest";
slurmconfig = {
controlMachine = "control";
nodeName = [ "node[1-3] CPUs=1 State=UNKNOWN" ];
partitionName = [ "debug Nodes=node[1-3] Default=YES MaxTime=INFINITE State=UP" ];
extraConfig = ''
AccountingStorageHost=dbd
AccountingStorageType=accounting_storage/slurmdbd
'';
services.slurm = {
controlMachine = "control";
nodeName = [ "node[1-3] CPUs=1 State=UNKNOWN" ];
partitionName = [ "debug Nodes=node[1-3] Default=YES MaxTime=INFINITE State=UP" ];
extraConfig = ''
AccountingStorageHost=dbd
AccountingStorageType=accounting_storage/slurmdbd
'';
};
environment.systemPackages = [ mpitest ];
networking.firewall.enable = false;
systemd.tmpfiles.rules = [
"f /etc/munge/munge.key 0400 munge munge - mungeverryweakkeybuteasytointegratoinatest"
];
};
mpitest = let
mpitestC = pkgs.writeText "mpitest.c" ''
#include <stdio.h>
#include <stdlib.h>
#include <mpi.h>
int
main (int argc, char *argv[])
{
int rank, size, length;
char name[512];
MPI_Init (&argc, &argv);
MPI_Comm_rank (MPI_COMM_WORLD, &rank);
MPI_Comm_size (MPI_COMM_WORLD, &size);
MPI_Get_processor_name (name, &length);
if ( rank == 0 ) printf("size=%d\n", size);
printf ("%s: hello world from process %d of %d\n", name, rank, size);
MPI_Finalize ();
return EXIT_SUCCESS;
}
'';
in pkgs.runCommandNoCC "mpitest" {} ''
mkdir -p $out/bin
${pkgs.openmpi}/bin/mpicc ${mpitestC} -o $out/bin/mpitest
'';
in {
name = "slurm";
@ -21,37 +57,40 @@ in {
computeNode =
{ ...}:
{
imports = [ slurmconfig ];
# TODO slurmd port and slurmctld port should be configurations and
# automatically allowed by the firewall.
networking.firewall.enable = false;
services.slurm = {
client.enable = true;
} // slurmconfig;
};
};
in {
control =
{ ...}:
{
networking.firewall.enable = false;
imports = [ slurmconfig ];
services.slurm = {
server.enable = true;
} // slurmconfig;
};
};
submit =
{ ...}:
{
networking.firewall.enable = false;
imports = [ slurmconfig ];
services.slurm = {
enableStools = true;
} // slurmconfig;
};
};
dbd =
{ pkgs, ... } :
{
networking.firewall.enable = false;
systemd.tmpfiles.rules = [
"f /etc/munge/munge.key 0400 munge munge - mungeverryweakkeybuteasytointegratoinatest"
];
services.slurm.dbdserver = {
enable = true;
storagePass = "password123";
@ -87,24 +126,7 @@ in {
''
start_all()
# Set up authentification across the cluster
for node in [submit, control, dbd, node1, node2, node3]:
node.wait_for_unit("default.target")
node.succeed("mkdir /etc/munge")
node.succeed(
"echo '${mungekey}' > /etc/munge/munge.key"
)
node.succeed("chmod 0400 /etc/munge/munge.key")
node.succeed("chown munge:munge /etc/munge/munge.key")
node.succeed("systemctl restart munged")
node.wait_for_unit("munged")
# Restart the services since they have probably failed due to the munge init
# failure
# Make sure DBD is up after DB initialzation
with subtest("can_start_slurmdbd"):
dbd.succeed("systemctl restart slurmdbd")
dbd.wait_for_unit("slurmdbd.service")
@ -137,5 +159,8 @@ in {
# find the srun job from above in the database
control.succeed("sleep 5")
control.succeed("sacct | grep hostname")
with subtest("run_PMIx_mpitest"):
submit.succeed("srun -N 3 --mpi=pmix mpitest | grep size=3")
'';
})