Dell-Omnia-Clusters-HPC-AI/roles/start_slurm_workers/tasks/main.yml

#  Copyright 2020 Dell Inc. or its subsidiaries. All Rights Reserved.
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#  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.
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---

- name: Include common variables
  include_vars: ../../slurm_manager/vars/main.yml

- name: Copy slurm conf from buffer
  copy:
    src: "{{ buffer_path }}"
    dest: "{{ slurm_confpth }}"
    mode: "{{ slurm_mode }}"

- name: Install packages for slurm
  package:
    name: "{{ slurm_packages }}"
    state: present
  with_items:
    - "{{ slurm_packages }}"
  tags: install

- name: Install development tools
  package:
    name: "{{ item | join (',') }}"
    state: present
  with_items:
    - "{{ dev_tools }}"
  tags: install

- name: Create temporary download folder for slurm
  file:
    path: "{{ tmp_path }}"
    owner: slurm
    group: slurm
    mode: "{{ tmp_mode }}"
    state: directory

- name: Download slurm source
  get_url:
    url: "{{ slurm_url }}"
    dest: "{{ tmp_path }}"
    checksum: "{{ slurm_md5 }}"
    validate_certs: no
  tags: install

- name: Build slurm rpms
  command: rpmbuild -ta "{{ rpmbuild_path }}"
  changed_when: false
  args:
    warn: no

- name: Verify package md5
  command: rpm -qa
  ignore_errors: true
  register: verify_result
  changed_when: no
  failed_when: no
  args:
    warn: no

- name: Install rpms
  command: rpm -Uvh ~"{{ rpm_loop }}"
  args:
    chdir: "{{ rpm_path }}"
    warn: no
  when: verify_result.rc != 0

- name: Add socket and core info
  lineinfile:
    path: "{{ slurm_confpth }}"
    regexp: "NodeName= Sockets= CoresPerSocket="
    line: "NodeName={{ group_names[0] }} Sockets={{ hostvars[inventory_hostname]['ansible_facts']['processor_count'] }}
      CoresPerSocket={{ hostvars[inventory_hostname]['ansible_facts']['processor_cores'] }}"

- name: Save slurm conf in buffer
  fetch:
    src: "{{ slurm_confpth }}"
    dest: "{{ buffer_path }}"
    flat: true

- name: Start slurmd on compute nodes
  service:
    name: slurmd.service
    enabled: yes
  tags: install