From: Antonio Alvarez Feijoo <antonio.feijoo@suse.com>
Date: Tue, 4 Mar 2025 07:37:25 +0000 (+0100)
Subject: Add "raid" initrd profile
X-Git-Tag: v26~332
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=686f57d7f91f1c71bb10a69474e1ca795287bc71;p=thirdparty%2Fmkosi.git

Add "raid" initrd profile

This initrd profile provides support for assembling RAID arrays.
---

diff --git a/mkosi/config.py b/mkosi/config.py
index 2cd7e680e..112f5edfc 100644
--- a/mkosi/config.py
+++ b/mkosi/config.py
@@ -602,6 +602,7 @@ class ToolsTreeProfile(StrEnum):
 
 class InitrdProfile(StrEnum):
     lvm = enum.auto()
+    raid = enum.auto()
 
 
 def expand_delayed_specifiers(specifiers: dict[str, str], text: str) -> str:
diff --git a/mkosi/initrd.py b/mkosi/initrd.py
index e02dae51d..69aff88d1 100644
--- a/mkosi/initrd.py
+++ b/mkosi/initrd.py
@@ -124,6 +124,16 @@ def process_crypttab(staging_dir: str) -> list[str]:
     return cmdline
 
 
+def add_raid_config() -> list[str]:
+    cmdline = []
+
+    for f in ("/etc/mdadm.conf", "/etc/mdadm.conf.d", "/etc/mdadm/mdadm.conf", "/etc/mdadm/mdadm.conf.d"):
+        if Path(f).exists():
+            cmdline += ["--extra-tree", f"{f}:{f}"]
+
+    return cmdline
+
+
 def initrd_finalize(staging_dir: str, output: str, output_dir: str) -> None:
     if output_dir:
         with umask(~0o700) if os.getuid() == 0 else cast(umask, contextlib.nullcontext()):
@@ -274,6 +284,8 @@ def main() -> None:
 
         for p in args.profile:
             cmdline += ["--profile", p]
+            if p == "raid":
+                cmdline += add_raid_config()
 
         if args.kernel_image:
             cmdline += [
diff --git a/mkosi/resources/man/mkosi-initrd.1.md b/mkosi/resources/man/mkosi-initrd.1.md
index 59f1cd231..dbe4b29bb 100644
--- a/mkosi/resources/man/mkosi-initrd.1.md
+++ b/mkosi/resources/man/mkosi-initrd.1.md
@@ -45,6 +45,7 @@ initrds and Unified Kernel Images for the current running system.
     disabled.
 
     The `lvm` profile enables support for LVM.
+    The `raid` profile enables support for RAID arrays.
 
 `--debug`
 :   Enable additional debugging output.
diff --git a/mkosi/resources/man/mkosi.1.md b/mkosi/resources/man/mkosi.1.md
index b503b967f..a0c6bf27c 100644
--- a/mkosi/resources/man/mkosi.1.md
+++ b/mkosi/resources/man/mkosi.1.md
@@ -1022,6 +1022,7 @@ boolean argument: either `1`, `yes`, or `true` to enable, or `0`, `no`,
     disabled.
 
     The `lvm` profile enables support for LVM.
+    The `raid` profile enables support for RAID arrays.
 
 `InitrdPackages=`, `--initrd-package=`
 :   Extra packages to install into the default initrd. Takes a comma
diff --git a/mkosi/resources/mkosi-initrd/mkosi.profiles/raid/mkosi.conf b/mkosi/resources/mkosi-initrd/mkosi.profiles/raid/mkosi.conf
new file mode 100644
index 000000000..9694a2231
--- /dev/null
+++ b/mkosi/resources/mkosi-initrd/mkosi.profiles/raid/mkosi.conf
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+[Content]
+Packages=mdadm