SLURM cluster Role

Install SLURM cluster.

Role Variables

The variables that can be passed to this role and a brief description about them are as follows.

# SLURM version to install (in case of RH systems)
slurm_version: 20.02.7
# List of servers to download the slurm code
slurm_mirrors: [ "http://ftpgrycap.i3m.upv.es/src/", "https://download.schedmd.com/slurm/" ]
# Type of node to install: front or wn
slurm_type_of_node: front
# Name of the SLURM server
slurm_server_name: slurmserver
# IP address of the SLURM server
slurm_server_ip: 127.0.0.1
# Prefix to set to the SLURM working nodes
slurm_vnode_prefix: vnode-
# List of the names of the WNs
slurm_wn_nodenames: []
# Number of CPUs of the WNs
slurm_wn_cpus: 1
# Amount of memory of the WNs (in MB, see RealMemory). If 0 it is not set
slurm_wn_mem: 0
# GRES specification for the WN
slurm_wn_gres: ""
# GRES types specification for the WN
slurm_wn_gres_tpes: ""
# GRES conf data file
slurm_wn_gres_conf: "AutoDetect=nvml"
# Default user for ssh and slurm management
# Default ssh user
user: user1
# Install DRMAA library
drmaa_lib_install: false
drmaa_lib_version: 1.0.7
# SLURM default configuration options
slurm_default_conf_options:
    AuthType: auth/munge
    CryptoType: crypto/munge
    FirstJobId: 1
    JobRequeue: 0
    JobSubmitPlugins: all_partitions
    ProctrackType: proctrack/pgid
    ReturnToService: 2
    SlurmctldPidFile: /var/run/slurmctld.pid
    SlurmctldPort: 6817
    SlurmdPidFile: /var/run/slurmctld.pid
    SlurmdPort: 6818
    SlurmdSpoolDir: /var/spool/slurm
    SlurmUser: slurm
    StateSaveLocation: /var/slurm/checkpoint
    SwitchType: switch/none
    TaskPlugin: task/none
    InactiveLimit: 0
    KillWait: 30
    MessageTimeout: 30
    MinJobAge: 300
    SlurmctldTimeout: 30
    SlurmdTimeout: 40
    Waittime: 0
    FastSchedule: 1
    SchedulerType: sched/backfill
    SelectType: select/linear
    AccountingStorageType: accounting_storage/none
    ClusterName: cluster
    JobCompType: jobcomp/none
    JobAcctGatherFrequency: 30
    JobAcctGatherType: jobacct_gather/none
    SlurmctldDebug: debug5
    SlurmctldLogFile: /var/log/slurm/slurmctld.log
    SlurmdDebug: debug5
    SlurmdLogFile: /var/log/slurm/slurmd.log
# SLURM user configuration options
slurm_conf_options: {}
# SLURM configuration options for cgroup
slurm_cgroup_conf_options:
    CgroupPlugin: cgroup/v1

Example Playbook

This an example of how to install a SLURM cluster:

  - hosts: server
  roles:
  - { role: 'grycap.slurm', slurm_type_of_node: 'front', slurm_server_ip: '{{ansible_default_ipv4}}', slurm_wn_nodenames: "{{ groups['wns']|map('extract', hostvars, 'ansible_hostname')|list }}" }

  - hosts: wns
  roles:
  - { role: 'grycap.slurm', slurm_type_of_node: 'wn', slurm_server_ip: "{{hostvars['server']['ansible_default_ipv4']}}" }

Contributing to the role

In order to keep the code clean, pushing changes to the master branch has been disabled. If you want to contribute, you have to create a branch, upload your changes and then create a pull request.
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