hpc-slurm-local-ssd.yaml

# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

---

blueprint_name: hpc-slurm-local-ssd-v6

vars:
  project_id:  ## Set GCP Project ID Here ##
  deployment_name: hpc-localssd
  region: us-central1
  zone: us-central1-a

# Documentation for each of the modules used below can be found at
# https://github.com/GoogleCloudPlatform/hpc-toolkit/blob/main/modules/README.md

deployment_groups:
- group: primary
  modules:
  - id: network
    source: modules/network/vpc

  - id: homefs
    source: modules/file-system/filestore
    use: [network]
    settings:
      local_mount: /home

  - id: nodeset
    source: community/modules/compute/schedmd-slurm-gcp-v6-nodeset
    use: [network]
    settings:
      additional_disks:
      - device_name: test-disk-1
        disk_name: null
        disk_size_gb: 375
        disk_type: local-ssd
        disk_labels: {}
        auto_delete: true
        boot: false
      - device_name: test-disk-2
        disk_name: null
        disk_size_gb: 375
        disk_type: local-ssd
        disk_labels: {}
        auto_delete: true
        boot: false
      bandwidth_tier: gvnic_enabled
      machine_type: c2-standard-4
      node_count_dynamic_max: 5
      node_count_static: 0
      startup_script: |
        #!/bin/bash
        set -e -o pipefail

        # this script assumes it is running on a RedHat-derivative OS
        yum install -y mdadm

        RAID_DEVICE=/dev/md0
        DST_MNT=/mnt/localssd
        DISK_LABEL=LOCALSSD
        OPTIONS=discard,defaults

        # if mount is successful, do nothing
        if mount --source LABEL="$DISK_LABEL" --target="$DST_MNT" -o "$OPTIONS"; then
                exit 0
        fi

        # Create new RAID, format ext4 and mount
        # TODO: handle case of zero or 1 local SSD disk
        # TODO: handle case when /dev/md0 exists but was not mountable
        DEVICES=`nvme list | grep nvme_ | grep -v nvme_card-pd | awk '{print $1}' | paste -sd ' '`
        NB_DEVICES=`nvme list | grep nvme_ | grep -v nvme_card-pd | awk '{print $1}' | wc -l`
        mdadm --create "$RAID_DEVICE" --level=0 --raid-devices=$NB_DEVICES $DEVICES
        mkfs.ext4 -F "$RAID_DEVICE"
        tune2fs "$RAID_DEVICE" -r 131072
        e2label "$RAID_DEVICE" "$DISK_LABEL"
        mkdir -p "$DST_MNT"
        mount --source LABEL="$DISK_LABEL" --target="$DST_MNT" -o "$OPTIONS"
        chmod 1777 "$DST_MNT"

  - id: partition
    source: community/modules/compute/schedmd-slurm-gcp-v6-partition
    use: [nodeset]
    settings:
      is_default: true
      partition_name: ssdcomp

  - id: slurm_login
    source: community/modules/scheduler/schedmd-slurm-gcp-v6-login
    use: [network]
    settings:
      machine_type: n1-standard-4
      enable_login_public_ips: true

  - id: slurm_controller
    source: community/modules/scheduler/schedmd-slurm-gcp-v6-controller
    use: [network, homefs, partition, slurm_login]
    settings:
      cloud_parameters:
        resume_rate: 0
        resume_timeout: 300
        suspend_rate: 0
        suspend_timeout: 300
        no_comma_params: false
      machine_type: n1-standard-4
      enable_controller_public_ips: true