compute-3-slurm_client.sh

#!/bin/bash

##############################################################
# Setup slurm client
##############################################################

# Setup users
export MUNGEUSER=991
groupadd -g $MUNGEUSER munge
useradd  -m -c "MUNGE Uid 'N' Gid Emporium" -d /var/lib/munge -u $MUNGEUSER -g munge  -s /sbin/nologin munge
export SLURMUSER=992
groupadd -g $SLURMUSER slurm
useradd  -m -c "SLURM workload manager" -d /var/lib/slurm -u $SLURMUSER -g slurm  -s /bin/bash slurm

# Install munge
yum -y install epel-release
yum -y install munge munge-libs munge-devel

# Create a munge key
echo "THIS_IS_NOT_A_VERY_SECURE_MUNGE_KEY_BUT_IT_WILL_DO" > /etc/munge/munge.key
chown munge.munge /etc/munge/munge.key
chmod 400 /etc/munge/munge.key

# Correct perms & enable service
chown -R munge: /etc/munge/ /var/log/munge/
chmod 0700 /etc/munge/ /var/log/munge/
systemctl enable munge
systemctl start munge

# Install slurm RPMs (built on master)
yum -y install /nfs/slurm-rpms/slurm-*.rpm

# Minimal slurm config
cat <<EOF >> /etc/slurm/slurm.conf
ControlMachine=master
ControlAddr=10.0.4.100
MpiDefault=none
ProctrackType=proctrack/pgid
ReturnToService=1
SlurmctldPidFile=/var/run/slurmctld.pid
SlurmdPidFile=/var/run/slurmd.pid
SlurmdSpoolDir=/var/spool/slurmd
SlurmUser=slurm
StateSaveLocation=/var/spool/slurmctld
SwitchType=switch/none
TaskPlugin=task/none
FastSchedule=1
SchedulerType=sched/backfill
SelectType=select/linear
AccountingStorageType=accounting_storage/none
ClusterName=dev
JobAcctGatherType=jobacct_gather/none
SlurmctldLogFile=/var/log/slurmctld.log
SlurmdLogFile=/var/log/slurmd.log
#
# COMPUTE NODES
NodeName=compute01 NodeAddr=10.0.4.101 CPUs=1 State=UNKNOWN
NodeName=compute02 NodeAddr=10.0.4.102 CPUs=1 State=UNKNOWN
PartitionName=super Nodes=compute0[1-2] Default=YES MaxTime=INFINITE State=UP
EOF

# Start slurm
systemctl enable slurmd
systemctl start slurmd

# Check sinfo works
sinfo

# Mark node ready to rock
if ! grep "idle $(hostname)"; then
    scontrol update nodename=$(hostname) State=resume
fi