Implement self building debs

defaults/main.yml

@@ -1,5 +1,8 @@
 ---
 
+self_build_slurm: false
+build_again: false
+slurm_version: "25.11.1"
 slurm_upgrade: false
 slurm_roles: []
 slurm_partitions: []
@@ -85,7 +88,16 @@ __slurm_redhat_packages:
   slurmd: [munge, slurm, slurm-slurmd]
   slurmdbd: [munge, slurm-slurmdbd]
 
-__slurm_packages: "{{ __slurm_debian_packages if __slurm_debian else __slurm_redhat_packages }}"
+__build_deps: [build-essential, fakeroot, devscripts, equivs]
+
+_slurm_self_packages:
+  client: [slurm-smd, slurm-smd-client]
+  slurmctld: [slurm-smd, slurm-smd-client, slurm-smd-slurmctld]
+  slurmd: [slurm-smd, slurm-smd-client, slurm-smd-slurmd]
+  slurmdbd: [slurm-smd, slurm-smd-client, slurm-smd-slurmdbd]
+  all: [slurm-smd, slurm-smd-client, slurm-smd-slurmctld, slurm-smd-slurmd, slurm-smd-slurmdbd]
+
+__slurm_packages: "{{ _slurm_self_packages if self_build_slurm else (__slurm_debian_packages if __slurm_debian else __slurm_redhat_packages) }}"
 
 __slurmdbd_config_default:
   AuthType: auth/munge

tasks/build.yml

@@ -0,0 +1,88 @@
+---
+
+- name: Build slurm in controller
+  when: "('slurmservers' in group_names or 'controller' in slurm_roles) and build_again"
+  block:
+    - name: Install Slurm build requirements
+      ansible.builtin.package:
+        name: "{{ __build_deps }}"
+        state: present
+
+    - name: Download Slurm source
+      ansible.builtin.get_url:
+        url: "https://download.schedmd.com/slurm/slurm-{{ slurm_version }}.tar.bz2"
+        mode: "755"
+        dest: "/tmp/slurm-{{ slurm_version }}.tar.bz2"
+
+    - name: Unpack Slurm source
+      ansible.builtin.unarchive:
+        src: "/tmp/slurm-{{ slurm_version }}.tar.bz2"
+        dest: /tmp/
+        remote_src: true
+
+    - name: Install Slurm package dependencies
+      ansible.builtin.command:
+        cmd: mk-build-deps -i -t 'apt-get -y' debian/control
+        chdir: "/tmp/slurm-{{ slurm_version }}"
+
+    - name: Build Slurm packages
+      ansible.builtin.command:
+        cmd: debuild -b -uc -us -j4
+        chdir: "/tmp/slurm-{{ slurm_version }}"
+      tags: rebuild_slurm
+
+    - name: Copy files to controller
+      ansible.builtin.fetch:
+        src: "/tmp/{{ item }}_{{ slurm_version }}-1_amd64.deb"
+        dest: /tmp/debs/{{ item }}.deb
+        flat: true
+      loop: "{{ __slurm_packages.all }}"
+
+    - name: Put built debs in correct folder
+      ansible.builtin.copy:
+        src: /tmp/debs/
+        dest: /var/backups/slurm_debs/
+        mode: "0755"
+
+- name: Put built debs in all nodes
+  ansible.builtin.copy:
+    src: /var/backups/slurm_debs/
+    dest: /var/backups/slurm_debs/
+    mode: "0755"
+  register: copy_result
+
+- name: Install dependency
+  ansible.builtin.package:
+    name: dpkg-dev
+    state: "present"
+
+- name: Create script to refresh the index
+  ansible.builtin.copy:
+    dest: /usr/local/bin/update-slurm-repo
+    mode: "0755"
+    content: |
+      #!/bin/bash
+      cd /var/backups/slurm_debs
+      dpkg-scanpackages . /dev/null | gzip -9c > Packages.gz
+      apt-get update
+- name: Run the index update for the first time
+  ansible.builtin.command: /usr/local/bin/update-slurm-repo
+  when: copy_result.changed
+  changed_when: true
+
+- name: Add local repo to APT sources
+  ansible.builtin.apt_repository:
+    repo: "deb [trusted=yes] file:/var/backups/slurm_debs ./"
+    state: present
+    filename: slurm_repo
+
+- name: Pin slurm-smd to version
+  ansible.builtin.copy:
+    dest: "/etc/apt/preferences.d/pin-{{ item }}"
+    content: |
+      Package: {{ item }}
+      Pin: version {{ slurm_version }}-1
+      Pin-Priority: 1001
+    mode: "0644"
+  loop: "{{ __slurm_packages.all }}"
+  tags: pin_package

tasks/main.yml

@@ -1,5 +1,9 @@
 ---
 
+- name: Include build task
+  ansible.builtin.include_tasks: build.yml
+  when: self_build_slurm
+
 - name: Include user creation tasks
   ansible.builtin.include_tasks: user.yml
   when: slurm_create_user