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Fri, 28 Nov 2025 14:08:18 +0000 Message-ID: Date: Fri, 28 Nov 2025 15:08:16 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 0/3] Add support of Discoverable Disk Image To: Jan Kiszka , isar-users@googlegroups.com References: <20251110105140.1609372-1-Quirin.Gylstorff@siemens.com> <298014db-e7ec-4c21-a535-98e15b109529@siemens.com> From: "'Quirin Gylstorff' via isar-users" Content-Language: en-US Autocrypt: addr=quirin.gylstorff@siemens.com; keydata= xsFNBGhxJPIBEADH6a6idt3FEJo4DFxeRRX2ZUHJjOSPTpBN4vK2FbvDJjBVLs1/xzNpOE/N CxDcH0nd4BApJeGzxjJpsHW9gm9w80oIG2HAZl4es79JdRt6H5GTdFaux1J8tLVTCS3bzeuu ydAUTesliWxSiEb4vqpmcduI42edmJF9E43jjLXDyJcXJa0qYXA0qvChJr7gbkGmWc7iR8A5 ZX1CrJJbwUBtzXGGThDPycgPYB1eR9OcFWJ2E6dBcLQiNxyOvxfpTKf09eZi2hBrZESpjMKo U/t9LX9SbyRwzpIeXQe8LQgyhppENmGSjc+Lm0YIreIU4ODbt1takxHTIpin1Po7lFiDMQmW aZrfNFKNQoffVyHq1gpV5BGIbnm8yJixpEueL2oygnN/evyNPQV7NzSoQaJy2lJRGjo4YrQy dfpJyaajNeO1njSttdWC30q28ZUorPzBPfLwt7B/BXyiMiY6/SZunfKQDAY+g835YTjEhBgl KtXEamOfypEvYfvzQUpLrFgK55yrDSndtNm71APD4oVNeV1I0KqbuBQk4o3TkR6ZYb4RLp9O dKGEnKCBaBaWJgf/1v4BLJ/ge8k135R1JLiyK/FylJbnsABE9k7/lELFKrwW22qgspkQAf13 h2+T65+637hkxhGRYnrtmxjOUk4EbYbAA+rtj0mpBxnziWojQQARAQABzS9RdWlyaW4gR3ls c3RvcmZmIDxxdWlyaW4uZ3lsc3RvcmZmQHNpZW1lbnMuY29tPsLBkQQTAQoAOwIbAwULCQgH AgYVCgkICwIEFgIDAQIeAQIXgBYhBBvkezJSXuvL6yeVgtxQXbgz0zl1BQJocSb5AhkBAAoJ ENxQXbgz0zl1vv8QAMVze9Jevd0Qe9iYY64RX1rQfGv0xI094u9+4fOsIOXUjX70cbRgOZzk muPuEj96pBh77vGWb19dyWmzlRL0tTGg4ACcbHXgy93l6HaUTlVLUFpEKx1ufo2StSPPZ1i9 4PBTfnyAhQqYH6dibaFpCHvhrNvLIidA/C3qBx2b5k7H9k/Hta/lhNPkJTSqLnUl2sU36ihb QFGvEOUnJjFVo7eUBDNjEDGXETfI2tfHuER7GxZZINFpzf1mnvgobaai0pt26XUrt0cdONGR slIv6hEQ4BcyuYEN5wZz68eMMQtaTXRoCGYPYpTEYu23BKYTPebIUAbM+CiEVHTkH2TSeDwM kc25z0ydFbA2D8I8J+atdBsmHlGCq1gMnSMZ/TtOrlL6OHFoVlaq95Z55a5cq72DF1BQBk1t jaPgiI3Frzn/ZLFfldakTbkd2vsZjBJEkcUtnc+Rm7x1Sn3X855zJmvYRzdLAPMsi/zVMsy6 tvoIcJozan1CQE/vC1S5V8BXoE0PRointtfTxPDuX2//sSzlRgBVWIQJHuQ0asb+gzptVZT+ naNdi+fexKfoSv6bxbsG2Bg7Pm3OZNASmaUodGNixZ3/y/VdzvvSaPPULYPuUCdZrTtX4wML ae1/UjUw7jUoEXOalGior+tSEUpvhfa9y8kzJswmtZW90lFYNuCtzsFNBGhxJPIBEACi38/X QWBviWYBLlk2czd15VQFpsfYFKzgO010e300DAL1D+CWatD7yiEK30m3vvHkOkyHaOz/DB18 ksr1czcbQLYSpdC4JKlsUu75tf9EI32QBPRMms7mJ+qewti4xj1sjrBpuczzLC0CG+dkxTD2 38AbgGW3m/o8zBsPGhVnJlRVGsYU/YiYxaE6MC/l5bzmb0ay58ySnSS32zALKBfXGpWmk1td KbcHNeEBuZu2W3ZYB5cTkDEE/3ycnWwqWh5u24SSLC/83rIeAjeyJ/wQ9+oSIHLlcl296sqM 1wYKVCjwAXfA7vcEBsANUFL6NkdP+Y+HJPRT/EODKZsjqWjoi/5v5GKBLrScLxA9cpjTCYMj +1slg6T9FgUMQ+7GtbGI+/3WA/8ZE8emq4EweLzYT7I6hLB/dnoqRZFmRkLZ8q81r3Oc+xIc PJEnEpQIN/Ky0YelyPY4j+GH+NOlLvv9pH16I46O5PsTCkyhcfgfYUOJgP1BRQrnRmVn6586 R86jfLLhtaagvg4Mb4NtR+ZAO8rF8xmrEv5q0YZBkRmMlRENwHWiCyvDzU7mTsyYvVweGgdL bak4VTz/Bm2kvnJyHAWOhWJk6BAgmQhM1c0eYG/vmyhS6O+omYIyDJFVp0ui71CazCFn7dDI +uzg6o6fHygmWDn43e4mu3WKEXCajwARAQABwsF8BBgBCgAmFiEEG+R7MlJe68vrJ5WC3FBd uDPTOXUFAmhxJPICGwwFCQPCZwAACgkQ3FBduDPTOXXrfw//Rc/CskZYHeM06zTK0NQKTt3+ hgME6rUQh9y4iDF1KjEvmVDGyDma8AQ45WNP5EbWgMFWGtlTYwn3CbFuYlDLMtCYHkth1itN SoUdOttJkQ5ULq8DW+MFrP4xlG0zAx+CWeug6VhujVBro9xK57zgYs+LsCK3nlsYR91ZtZ8E 73Bi58iGZL/DLRFws5ut9hGUE0HoxXAhUZ6de0QxXNmfApzK+rLUye+JYcEVWEfVCCofFy8X lk+r2OzCvMt43xu9OgV1Pg37ez4HVu+ZoPJ94NKteQr9QMR9PIOBXGlOuweKiR1IcYBjQHzL aptU47KTf+lJxZhy8H3l1ySuyQqxbFoPNUuAT9Fu2s7Mg7QzjLVkoIrkZ+YJ+CmgvZT4sPZe YAMMbi+ENwLUg7aYqCy1RHcit2jeoEMyJJ9PFcsbxcqIPaCG3xOurgMdwlGeGdaxSFvq1T4V Z50bOHQvqT4TbOxbxv8RLLtaNfIvudV3J+Xx3QyKY1sySFcCtCB/b4zoKqc73B5B0nXBw931 qIxmFqiZiwfFB91OCCqRFtm2LcfwR1fLrUtSrhmENjdBhZljfJKjxAfFOWXngfT10Sin9h20 4A7NrVMzatAJLl79L0PdJIVpGUDQHU9K7rIs2MoQKzmAvyUSJB4sAChft5wz7JbvFKqY2fW4 Z2NBPBZUysw= In-Reply-To: <298014db-e7ec-4c21-a535-98e15b109529@siemens.com> Content-Type: text/plain; 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dkim=pass header.i=@siemens.com header.s=selector2 header.b="KUMJT/oS"; arc=pass (i=1 spf=pass spfdomain=siemens.com dkim=pass dkdomain=siemens.com dmarc=pass fromdomain=siemens.com); spf=pass (google.com: domain of quirin.gylstorff@siemens.com designates 2a01:111:f403:c207::3 as permitted sender) smtp.mailfrom=quirin.gylstorff@siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: Quirin Gylstorff Reply-To: Quirin Gylstorff 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: n72vcyxfdY/g On 11/10/25 12:59, Jan Kiszka wrote: > On 10.11.25 11:50, 'Quirin Gylstorff' via isar-users wrote: >> From: Quirin Gylstorff >> >> This patchset allows to build Discoverable Disk Image(DDI)s, like >> systemd-sysext >> systemd-portable >> systemd-confext >> > > ...and that will allow... ? Would be good to draft the use case here as > well. > > Jan I will add the uses cases in v2. The current use case is to add tooling or configuration items to a unified kernel image during runtime from a encrypted disk. Additional uses cases are adding additional tooling to read-only root systems for example add gdb or strace to a production image or enabling ssh. Also systemd-reparted could be used as an alternative to wic. Quirin> >> In the current implementation the images are not stripped so >> especially sysext contain a full copy of /usr and /opt. >> >> This patchset uses systemd-repart instead of wic as it is >> easier to describe interdepended partiton layout as required >> by DDIs. >> >> >> Quirin Gylstorff (3): >> Add Discoverable Disk Image definitions to ISAR >> Add imagetype Discoverable Disk Image(DDI) >> classes/image: Add DDI imagetype >> >> meta/classes/image.bbclass | 3 +- >> meta/classes/imagetypes_ddi.bbclass | 47 +++++++++++++++++++ >> .../definitions/confext.repart.d/10-root.conf | 16 +++++++ >> .../confext.repart.d/20-root-verity.conf | 14 ++++++ >> .../confext.repart.d/30-root-verity-sig.conf | 13 +++++ >> .../portable.repart.d/10-root.conf | 16 +++++++ >> .../portable.repart.d/20-root-verity.conf | 14 ++++++ >> .../portable.repart.d/30-root-verity-sig.conf | 13 +++++ >> .../definitions/sysext.repart.d/10-root.conf | 17 +++++++ >> .../sysext.repart.d/20-root-verity.conf | 14 ++++++ >> .../sysext.repart.d/30-root-verity-sig.conf | 13 +++++ >> .../isar-ddi-definitions_0.1.bb | 17 +++++++ >> 12 files changed, 196 insertions(+), 1 deletion(-) >> create mode 100644 meta/classes/imagetypes_ddi.bbclass >> create mode 100644 meta/recipes-support/isar-ddi-definitions/files/definitions/confext.repart.d/10-root.conf >> create mode 100644 meta/recipes-support/isar-ddi-definitions/files/definitions/confext.repart.d/20-root-verity.conf >> create mode 100644 meta/recipes-support/isar-ddi-definitions/files/definitions/confext.repart.d/30-root-verity-sig.conf >> create mode 100644 meta/recipes-support/isar-ddi-definitions/files/definitions/portable.repart.d/10-root.conf >> create mode 100644 meta/recipes-support/isar-ddi-definitions/files/definitions/portable.repart.d/20-root-verity.conf >> create mode 100644 meta/recipes-support/isar-ddi-definitions/files/definitions/portable.repart.d/30-root-verity-sig.conf >> create mode 100644 meta/recipes-support/isar-ddi-definitions/files/definitions/sysext.repart.d/10-root.conf >> create mode 100644 meta/recipes-support/isar-ddi-definitions/files/definitions/sysext.repart.d/20-root-verity.conf >> create mode 100644 meta/recipes-support/isar-ddi-definitions/files/definitions/sysext.repart.d/30-root-verity-sig.conf >> create mode 100644 meta/recipes-support/isar-ddi-definitions/isar-ddi-definitions_0.1.bb >> > -- You received this message because you are subscribed to the Google Groups "isar-users" group. 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