scaleway-linux-headers.yml

---
- hosts: localhost
  # from the role mediapop/ansible-scaleway-linux-headers
  gather_facts: true
  tasks:
    - name: "Set kernel facts"
      set_fact:
        scaleway_upstream_kernel: "{{ansible_kernel|regex_replace('-.*$', '')}}"
        scaleway_local_kernel: "{{ansible_kernel|regex_replace('^[^-]+', '')}}"

    - name: "Create a home for the kernel sources"
      become: yes
      file:
        path: "/usr/src"
        state: "directory"

    - name: "Download the upstream kernel source"
      become: yes
      unarchive:
        src: "https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-{{scaleway_upstream_kernel}}.tar.xz"
        creates: "/usr/src/linux-{{scaleway_upstream_kernel}}"
        dest: "/usr/src/"
        remote_src: yes

    - name: "Symlink kernel sources"
      become: yes
      file:
        state: "link"
        src: "/usr/src/linux-{{scaleway_upstream_kernel}}"
        dest: "{{item}}"
      with_items:
        - "/usr/src/linux"
        - "/lib/modules/{{ansible_kernel}}/build"

    - name: "Unpack the local config"
      become: yes
      shell: "zcat /proc/config.gz > /usr/src/linux/.config"
      args:
        creates: "/usr/src/linux/.config"

    - name: "Set build config"
      become: yes
      lineinfile:
        dest: "/usr/src/linux/.config"
        line: "{{item}}"
      with_items:
        - "CONFIG_LOCALVERSION=\"{{scaleway_local_kernel}}\""
        - "CONFIG_CROSS_COMPILE=\"\""

    - name: "Download module symvers"
      become: yes
      get_url:
        url: "http://mirror.scaleway.com/kernel/{{ansible_architecture}}/{{ansible_kernel}}/Module.symvers"
        dest: "/usr/src/linux/Module.symvers"

    - name: "Install packages necessary for kernel compilation"
      become: yes
      apt:
        name: "{{item}}"
        update_cache: no
      loop:
        - "build-essential"
        - "libssl-dev"

    - name: "Prepare sources"
      become: yes
      make:
        chdir: "/usr/src/linux"
        target: "{{item}}"
      loop:
        - "prepare"
        - "modules_prepare"