Documentation

PLEASE NOTE: This document applies to latest version and not to the latest stable release v2.19

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initramfs

Manage initramfs/initrd configuration, generation, and updates.

This module works with initramfs-tools (Debian/Ubuntu) to configure and manage initramfs images, including modules, hooks, and configuration.

Attributes

check_mode:
  support: full

Parameters

Parameter	Required	Type	Values	Description
action	true	string	update generate configure	Action to perform. [required]
compression		string		Compression algorithm for generate action. [default: `"gzip"`]
config				Dict of initramfs-tools configuration options. Keys: MODULES, BUSYBOX, COMPRESS, BOOT, NFSROOT, RUNSIZE, FSTYPE.
files		array		List of files to include in initramfs.
hooks		array		List of hooks to ensure present.
hooks_absent		array		List of hooks to ensure absent.
kernel		string		Kernel version (e.g., 6.8.0-48-generic, all). Used with update and generate actions. [default: `"all"`]
modules		array		List of modules to include in initramfs.

Examples

- name: Configure initramfs for ZFS
  initramfs:
    action: configure
    config:
      MODULES: most
      BUSYBOX: auto
      COMPRESS: zstd
    modules:
      - zfs
      - spl

- name: Add ZFS hook to initramfs
  initramfs:
    action: configure
    hooks:
      - zfs
    files:
      - src: /etc/zfs/zfs-key
        dest: /etc/zfs/zfs-key

- name: Update initramfs for all kernels
  initramfs:
    action: update
    kernel: all

- name: Update initramfs for specific kernel
  initramfs:
    action: update
    kernel: 6.8.0-48-generic

- name: Generate new initramfs
  initramfs:
    action: generate
    kernel: 6.8.0-48-generic
    compression: zstd

- name: Remove hook from initramfs
  initramfs:
    action: configure
    hooks_absent:
      - zfs