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|
{ lib, pkgs, ... }:
let
slurmconfig = {
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
AuthAltTypes=auth/jwt
'';
};
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.runCommand "mpitest" { } ''
mkdir -p $out/bin
${lib.getDev pkgs.mpi}/bin/mpicc ${mpitestC} -o $out/bin/mpitest
'';
sbatchOutput = "/tmp/shared/sbatch.log";
sbatchScript = pkgs.writeText "sbatchScript" ''
#!${pkgs.runtimeShell}
#SBATCH --nodes 1
#SBATCH --ntasks 1
#SBATCH --output ${sbatchOutput}
echo "sbatch success"
'';
in
{
name = "slurm";
meta.maintainers = [ lib.maintainers.markuskowa ];
nodes =
let
computeNode =
{ ... }:
{
imports = [ slurmconfig ];
# TODO slurmd port and slurmctld port should be configurations and
# automatically allowed by the firewall.
services.slurm = {
client.enable = true;
};
};
in
{
control =
{ ... }:
{
imports = [ slurmconfig ];
services.slurm = {
server.enable = true;
};
systemd.tmpfiles.rules = [
"f /var/spool/slurmctld/jwt_hs256.key 0400 slurm slurm - thisisjustanexamplejwttoken0000"
];
};
submit =
{ ... }:
{
imports = [ slurmconfig ];
services.slurm = {
enableStools = true;
};
};
dbd =
{ pkgs, ... }:
let
passFile = pkgs.writeText "dbdpassword" "password123";
in
{
networking.firewall.enable = false;
systemd.tmpfiles.rules = [
"f /etc/munge/munge.key 0400 munge munge - mungeverryweakkeybuteasytointegratoinatest"
];
services.slurm.dbdserver = {
enable = true;
storagePassFile = "${passFile}";
};
services.mysql = {
enable = true;
package = pkgs.mariadb;
initialScript = pkgs.writeText "mysql-init.sql" ''
CREATE USER 'slurm'@'localhost' IDENTIFIED BY 'password123';
GRANT ALL PRIVILEGES ON slurm_acct_db.* TO 'slurm'@'localhost';
'';
ensureDatabases = [ "slurm_acct_db" ];
ensureUsers = [
{
ensurePermissions = {
"slurm_acct_db.*" = "ALL PRIVILEGES";
};
name = "slurm";
}
];
};
};
rest =
{ ... }:
{
imports = [ slurmconfig ];
services.slurm.rest.enable = true;
};
node1 = computeNode;
node2 = computeNode;
node3 = computeNode;
};
testScript = ''
start_all()
with subtest("can_start_slurmdbd"):
dbd.wait_for_unit("slurmdbd.service")
dbd.wait_for_open_port(6819)
with subtest("cluster_is_initialized"):
control.wait_for_unit("multi-user.target")
control.wait_for_unit("slurmctld.service")
control.wait_for_open_port(6817)
for node in [node1, node2, node3]:
node.wait_for_unit("slurmd.service")
node.wait_for_open_port(6818)
submit.wait_for_unit("multi-user.target")
control.wait_until_succeeds(
"sacctmgr -nP list cluster format=cluster | grep -qx default"
)
# Test that the cluster works and can distribute jobs;
control.wait_until_succeeds(
"sinfo -Nh -o '%N %T' | grep -Fx 'node1 idle' && "
"sinfo -Nh -o '%N %T' | grep -Fx 'node2 idle' && "
"sinfo -Nh -o '%N %T' | grep -Fx 'node3 idle'"
)
with subtest("run_distributed_command"):
# Run `hostname` on 3 nodes of the partition (so on all the 3 nodes).
# The output must contain the 3 different names
submit.succeed(
"test \"$(srun -J distributed-hostname-check -N 3 hostname | sort -u | tr '\n' ' ')\" = 'node1 node2 node3 '"
)
with subtest("check_slurm_dbd_job_for_srun"):
# find the srun job from above in the database
submit.wait_until_succeeds(
"sacct -X -P -n --name=distributed-hostname-check -o JobName,State | "
"grep -Eq '^distributed-hostname-check\\|COMPLETED(\\+.*)?$'"
)
with subtest("run_PMIx_mpitest"):
submit.succeed(
"out=$(srun -N 3 --mpi=pmix mpitest); "
"echo \"$out\"; "
"echo \"$out\" | grep -Fx 'size=3'; "
"test \"$(echo \"$out\" | grep -c 'hello world from process')\" -eq 3"
)
with subtest("run_sbatch"):
submit.succeed(
"jobid=$(sbatch --parsable --wait ${sbatchScript}); "
"echo \"$jobid\" > /tmp/sbatch.jobid"
)
submit.succeed("grep -Fx 'sbatch success' ${sbatchOutput}")
submit.wait_until_succeeds(
"sacct -X -j $(cat /tmp/sbatch.jobid) -n -o State | grep -Eq 'COMPLETED|COMPLETED\\+'"
)
submit.succeed("test -z \"$(squeue -h)\"")
with subtest("cluster_returns_to_idle"):
control.wait_until_succeeds(
"sinfo -Nh -o '%N %T' | grep -Fx 'node1 idle' && "
"sinfo -Nh -o '%N %T' | grep -Fx 'node2 idle' && "
"sinfo -Nh -o '%N %T' | grep -Fx 'node3 idle'"
)
with subtest("rest"):
rest.wait_for_unit("slurmrestd.service")
rest.wait_for_open_port(6820)
token = control.succeed("scontrol token").split('=', 1)[1].strip()
rest.succeed(
"${pkgs.curl}/bin/curl -fsS "
"-H X-SLURM-USER-TOKEN:%s "
"http://localhost:6820/slurm/v0.0.43/diag | grep -q 'meta'" % token
)
with subtest("rest_rejects_invalid_token"):
rest.fail(
"${pkgs.curl}/bin/curl -fsS "
"-H X-SLURM-USER-TOKEN:not-a-real-token "
"http://localhost:6820/slurm/v0.0.43/diag"
)
'';
}
|
