1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
import ./make-test.nix ({ lib, ... }:
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
'';
};
in {
name = "slurm";
meta.maintainers = [ lib.maintainers.markuskowa ];
nodes =
let
computeNode =
{ ...}:
{
# 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;
services.slurm = {
server.enable = true;
} // slurmconfig;
};
submit =
{ ...}:
{
networking.firewall.enable = false;
services.slurm = {
enableStools = true;
} // slurmconfig;
};
dbd =
{ pkgs, ... } :
{
networking.firewall.enable = false;
services.slurm.dbdserver = {
enable = true;
storagePass = "password123";
};
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";
}];
extraOptions = ''
# recommendations from: https://slurm.schedmd.com/accounting.html#mysql-configuration
innodb_buffer_pool_size=1024M
innodb_log_file_size=64M
innodb_lock_wait_timeout=900
'';
};
};
node1 = computeNode;
node2 = computeNode;
node3 = computeNode;
};
testScript =
''
startAll;
# Set up authentification across the cluster
foreach my $node (($submit,$control,$dbd,$node1,$node2,$node3))
{
$node->waitForUnit("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->waitForUnit("munged");
};
# Restart the services since they have probably failed due to the munge init
# failure
subtest "can_start_slurmdbd", sub {
$dbd->succeed("systemctl restart slurmdbd");
$dbd->waitForUnit("slurmdbd.service");
$dbd->waitForOpenPort(6819);
};
# there needs to be an entry for the current
# cluster in the database before slurmctld is restarted
subtest "add_account", sub {
$control->succeed("sacctmgr -i add cluster default");
# check for cluster entry
$control->succeed("sacctmgr list cluster | awk '{ print \$1 }' | grep default");
};
subtest "can_start_slurmctld", sub {
$control->succeed("systemctl restart slurmctld");
$control->waitForUnit("slurmctld.service");
};
subtest "can_start_slurmd", sub {
foreach my $node (($node1,$node2,$node3))
{
$node->succeed("systemctl restart slurmd.service");
$node->waitForUnit("slurmd");
}
};
# Test that the cluster works and can distribute jobs;
subtest "run_distributed_command", sub {
# Run `hostname` on 3 nodes of the partition (so on all the 3 nodes).
# The output must contain the 3 different names
$submit->succeed("srun -N 3 hostname | sort | uniq | wc -l | xargs test 3 -eq");
};
subtest "check_slurm_dbd", sub {
# find the srun job from above in the database
sleep 5;
$control->succeed("sacct | grep hostname");
};
'';
})
|