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[185.136.64.227]) by gmr-mx.google.com with ESMTPS id ffacd0b85a97d-429dc1f3281si95523f8f.8.2025.11.05.01.37.19 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Nov 2025 01:37:19 -0800 (PST) Received-SPF: pass (google.com: domain of fm-51332-202511050937183230d4299100020766-9mqowk@rts-flowmailer.siemens.com designates 185.136.64.227 as permitted sender) client-ip=185.136.64.227; Received: by mta-64-227.siemens.flowmailer.net with ESMTPSA id 202511050937183230d4299100020766 for ; Wed, 05 Nov 2025 10:37:18 +0100 From: "'Quirin Gylstorff' via isar-users" To: isar-users@googlegroups.com, jan.kiszka@siemens.com, felix.moessbauer@siemens.com, cedric.hombourger@siemens.com Subject: [PATCH v6 00/13] Add support for dracut Date: Wed, 5 Nov 2025 10:29:15 +0100 Message-ID: <20251105093710.19582-1-Quirin.Gylstorff@siemens.com> MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-51332:519-21489:flowmailer X-Original-Sender: quirin.gylstorff@siemens.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@siemens.com header.s=fm1 header.b=C0M+cIVh; spf=pass (google.com: domain of fm-51332-202511050937183230d4299100020766-9mqowk@rts-flowmailer.siemens.com designates 185.136.64.227 as permitted sender) smtp.mailfrom=fm-51332-202511050937183230d4299100020766-9mQowK@rts-flowmailer.siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: Quirin Gylstorff Reply-To: Quirin Gylstorff Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,RCVD_IN_RP_CERTIFIED, RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: 155DLeGfI4jT From: Quirin Gylstorff Debian intends to change the default initrd generator from initramfs-tools to dracut[1],[2]. This is a first draft to support multiple initrd generator in ISAR. I tested it with bookworm and trixie. You can switch a normal Debian version to a dracut based initrd by installing the package `dracut`. This similar to a normal Debian installation. Customizing the initrd generation should be done with a seperate recipe which inherit `initrd-dracut`. This is intentionally done to avoid installing packages which are only used by the initrd generation process. [1]: https://salsa.debian.org/kernel-team/meetings/-/wikis/20250730 [2]: https://meetbot.debian.net/debian-kernel/2025/debian-kernel.2025-08-06-19.00.log.html Changes v6: - rebase on commit 666c5e571b46d9b3e34158163e74b4a89c89bfe7 - use class instead of inc - fail early if dracut generation fail Changes v5: - cleanup formatting - Add additional comments - Add isar-work mount point to the rootfs to copy the initrd to the workdir - make the build compatible with ubuntu - use the feature to derive the module name from the installed package Changes v4: - fix extra_modules and extra_drivers - extend user_manual to switch normal installation to dracut Changes v3: - drop initramfs patch - add examples - add user_manual section Changes v2: - extract the initramfs-cmd from the cmdline - increase version of enable-fsck - add function to print an error in case a invalid package is installed Quirin Gylstorff (13): Add dracut to custom kernel builds rootfs: Allow to overwrite the initramfs generation cmds rootfs: Add isar-work directory to rootfs mounts rootfs: Copy the newly created initrd.img to the work directory rootfs: Add dracut to initramfs generator rootfs: exit immediately if INITRAMFS_GENERATOR_CMD fails initramfs: allow to set the generator command Add class to generate custom dracut initramfs rootfs: add flag to use dracut if it is not part of the package list Add example dracut initramfs Add dracut module helper Use lighttpd as a example how to add a dracut module user_manual: Add dracut for initramfs generation doc/user_manual.md | 73 +++++++++++++++- .../dracut-example-lighttpd_0.1.bb | 44 ++++++++++ .../dracut-example-lighttpd/files/install.sh | 20 +++++ .../files/lighttpd.conf | 52 +++++++++++ .../files/lighttpd.service | 13 +++ .../files/sysuser-lighttpd.conf | 2 + .../recipes-initramfs/images/isar-dracut.bb | 25 ++++++ meta/classes/dracut-module.bbclass | 87 +++++++++++++++++++ meta/classes/initramfs.bbclass | 19 +++- meta/classes/initrd-dracut.bbclass | 58 +++++++++++++ meta/classes/rootfs.bbclass | 43 ++++++--- .../dracut-module/files/module-setup.sh.tmpl | 42 +++++++++ meta/recipes-kernel/linux/linux-custom.inc | 2 +- 13 files changed, 461 insertions(+), 19 deletions(-) create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/dracut-example-lighttpd_0.1.bb create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/files/install.sh create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/files/lighttpd.conf create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/files/lighttpd.service create mode 100644 meta-isar/recipes-initramfs/dracut-example-lighttpd/files/sysuser-lighttpd.conf create mode 100644 meta-isar/recipes-initramfs/images/isar-dracut.bb create mode 100644 meta/classes/dracut-module.bbclass create mode 100644 meta/classes/initrd-dracut.bbclass create mode 100644 meta/recipes-initramfs/dracut-module/files/module-setup.sh.tmpl -- 2.51.0 -- You received this message because you are subscribed to the Google Groups "isar-users" group. 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