141 lines
4.1 KiB
Nix
141 lines
4.1 KiB
Nix
import ./make-test-python.nix ({ lib, ... }:
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let
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mungekey = "mungeverryweakkeybuteasytointegratoinatest";
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slurmconfig = {
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controlMachine = "control";
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nodeName = [ "node[1-3] CPUs=1 State=UNKNOWN" ];
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partitionName = [ "debug Nodes=node[1-3] Default=YES MaxTime=INFINITE State=UP" ];
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extraConfig = ''
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AccountingStorageHost=dbd
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AccountingStorageType=accounting_storage/slurmdbd
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'';
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};
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in {
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name = "slurm";
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meta.maintainers = [ lib.maintainers.markuskowa ];
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nodes =
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let
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computeNode =
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{ ...}:
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{
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# TODO slurmd 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.slurm = {
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client.enable = true;
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} // slurmconfig;
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};
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in {
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control =
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{ ...}:
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{
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networking.firewall.enable = false;
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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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submit =
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{ ...}:
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{
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networking.firewall.enable = false;
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services.slurm = {
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enableStools = true;
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} // slurmconfig;
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};
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dbd =
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{ pkgs, ... } :
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{
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networking.firewall.enable = false;
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services.slurm.dbdserver = {
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enable = true;
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storagePass = "password123";
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};
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services.mysql = {
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enable = true;
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package = pkgs.mariadb;
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initialScript = pkgs.writeText "mysql-init.sql" ''
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CREATE USER 'slurm'@'localhost' IDENTIFIED BY 'password123';
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GRANT ALL PRIVILEGES ON slurm_acct_db.* TO 'slurm'@'localhost';
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'';
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ensureDatabases = [ "slurm_acct_db" ];
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ensureUsers = [{
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ensurePermissions = { "slurm_acct_db.*" = "ALL PRIVILEGES"; };
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name = "slurm";
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}];
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extraOptions = ''
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# recommendations from: https://slurm.schedmd.com/accounting.html#mysql-configuration
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innodb_buffer_pool_size=1024M
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innodb_log_file_size=64M
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innodb_lock_wait_timeout=900
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'';
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};
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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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start_all()
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# Set up authentification across the cluster
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for node in [submit, control, dbd, node1, node2, node3]:
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node.wait_for_unit("default.target")
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node.succeed("mkdir /etc/munge")
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node.succeed(
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"echo '${mungekey}' > /etc/munge/munge.key"
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)
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node.succeed("chmod 0400 /etc/munge/munge.key")
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node.succeed("chown munge:munge /etc/munge/munge.key")
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node.succeed("systemctl restart munged")
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node.wait_for_unit("munged")
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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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with subtest("can_start_slurmdbd"):
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dbd.succeed("systemctl restart slurmdbd")
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dbd.wait_for_unit("slurmdbd.service")
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dbd.wait_for_open_port(6819)
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# there needs to be an entry for the current
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# cluster in the database before slurmctld is restarted
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with subtest("add_account"):
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control.succeed("sacctmgr -i add cluster default")
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# check for cluster entry
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control.succeed("sacctmgr list cluster | awk '{ print $1 }' | grep default")
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with subtest("can_start_slurmctld"):
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control.succeed("systemctl restart slurmctld")
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control.wait_for_unit("slurmctld.service")
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with subtest("can_start_slurmd"):
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for node in [node1, node2, node3]:
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node.succeed("systemctl restart slurmd.service")
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node.wait_for_unit("slurmd")
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# Test that the cluster works and can distribute jobs;
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with subtest("run_distributed_command"):
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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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submit.succeed("srun -N 3 hostname | sort | uniq | wc -l | xargs test 3 -eq")
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with subtest("check_slurm_dbd"):
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# find the srun job from above in the database
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control.succeed("sleep 5")
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control.succeed("sacct | grep hostname")
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'';
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})
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