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Tue, 23 Jul 2024 12:35:09 +0000 Message-ID: Date: Tue, 23 Jul 2024 14:35:04 +0200 User-Agent: Mozilla Thunderbird Subject: Re: [meta-isar] Proposal to improve initial device bootstrapping To: "Heinisch, Alexander (T CED SES-AT)" , "isar-users@googlegroups.com" Cc: "Kiszka, Jan (T CED)" References: <34c4028d-2d4d-4c3c-b528-972bfaa9f74b@siemens.com> Content-Language: en-US, de-DE From: "'Gylstorff Quirin' via isar-users" Autocrypt: addr=quirin.gylstorff@siemens.com; keydata= xsDNBGE5tqgBDACpa0M7NVvWkE84XaWEmmQT0REu4Ad8DGRzxlQdLHn4PwakShu46Kl9Rrwm KZsIoQaLMM+e39xkl70bNFAKOodEgnkwzywjRkOXzf46AkBs3xThp/SMuZXIgdXDXhJupN1G 1Zu0GbIx316GZaXf9lXuiAwwqJXKWsjRuFSNopQUMs4R4v7CRuwx/y2CPkAbq9rhph6njcaO 4JTkkd8s0IA8Ec4otQ+YcUpRvrqHQAx3jFP3hDO93s1Ja8iLkDHxveD/5dnCoJ7wBxWQw1D+ Qy/YsKzT9eBCo41aiP2sh6Xae7YAF/bZGXm5Nh/tIN6tM9O2ujsvICJMgaQ6KvLl7uLE12Ey 3Tiatxuse0cRCVLU6dL/ljm7jY30gBpgP6UpMYANNKbjH1QHOkyM0725Wodh3s2kb+nMSgCr bx8kbD03tFAOFdmMANUmTI2XUcUUuEPHGWMViZlKi8GEIElXMXJi3WJSJBFaEYj/ns6lGKNk zE053GrLzJHh1wcZmPWHsZMAEQEAAc0vR3lsc3RvcmZmIFF1aXJpbiA8cXVpcmluLmd5bHN0 b3JmZkBzaWVtZW5zLmNvbT7CwQkEEwEIADMWIQTY7GSkZ04ObjDZR5UG7p+HXEQunQUCZNTY OgIbAwULCQgHAgYVCAkKCwIFFgIDAQAACgkQBu6fh1xELp2ViQwAkSIZKvKai3o1yAsYQGYZ Pa9oIzM1+rqGPdBTqJ8LCIUM3kDz7kNo3nll2mnhtZOAeA/DpEc/pQGpIUUm2XQJEOCCv4Ze fO2tFuhACpU6Yz3XwQhr1SHy/KPsxUmiTgZUzfvlDxFzOuvKt4kg7/lC4/qm4i4ZRbohjggS XwLAawfULBSzoiTaMi6GtPm8e8oLoBwdo7UIwHHlN5s5UoEruntnc/Tx6+wWquHX/3/zVGUu OBqixq3uClkTNCY4itIix9yuMsUgWUgarN2BjcDxeNFIxlozGgcMmWyRobDOPfL7I0YHXm3/ uB3wg4ei5dBCB12uYKr4CH/S3CRtYXUaIdyFoxYlvpEoUfuHthB2wcqQllVg3IEhGhkuvfTX snzeMFhg7wU7HlX/MDK5EnAGK9fHvZMnbb+H78bMNtoisBPY7XwuOAyUOtwMq0SR8G+9ZLnC ABeS6tyPB8UePy8MWdcTQRboXubmUkDAIwBuNI2xALMYZxyUZWEzD+M0euWLzsDNBGE5tqkB DAC6s08UAYSENgz33zbBZ+XWlo5A7muxzYjwN77DMgC5EcuqQJA2YnMO15mkB2YcTbP2Zf97 ZhjTneRwe62xurjO2SOwPi0Sw3JN+VBQ1hpxMHJ2KjeAjJeQ4kINYgFFF5vNfgfGi7eI9qrL hViCf0Osulj7IGD7vDkib1WoO++SRO+9DShVD4sFIi0Gv9YSTalazpT9bgcAtnaDb/viLvaU qtK7S5rvFVPiuUD60yvmr3Pfd5iPKSxIQS/5/uKWGjeCntNu4ujoIg3C5rnDRIp4wcKIYXOu Nq0uGT52B4jtakb7jomXGX1/MZAHSRzUNUrup0UbwWCJEuvUEizq3G3Kg/Itvns5JzZAyGHk Jn0Sa9sTZCN+lNspvl1/t4F9ogBQbGOWPaslScjUQ5VDul8oLGMK1Zi+mj+SYFpQCXd7fwhP fl+yQlOdzGOGKHk9jqcaRHizuXtabQVIGrO8I52p26QJWaVqmMvJRWRqykxzk0Sw17/YDOBQ iEE0QOivBwkAEQEAAcLA9gQYAQgAIBYhBNjsZKRnTg5uMNlHlQbun4dcRC6dBQJk1Ng6AhsM AAoJEAbun4dcRC6dnnML/jLf8oN9BMkd/UaOtBh04YQQLR8TFwahbIZQZUakRteSaWILgGT6 vuu19bbSaU3WAFHiB+ftuLYxCh9LB2YjEjoaDeFY+qOpYHsWKrE1g/rr5iEPyb+V3FZvd8a2 fbSo7Hdw9n0jzAr6Yb6dMnU2FN6iRrIYoreEkEB5WbrFfmEyQGdxF45FGnu7mkLMGs4P8hiC Jpn73cdGB7Mj5+XWAcoYKDqXiKm6FL9Bfle7RO6FaI0m5JqQjGmsTLAIDaY6ZYSQmBzY8WzY 5e4YlveowP9E+boqYhyPLGdDFVGhWwHMb/VkeFXAwsNtsfQfmpb/VmWs0urz8WkvYpiF6pZw Xe/DyZ2leVdCQVbhsUb4z1b1nAYAxVB+4yIqi5uc1cQYFzb1LPeMcQ0YVv9UAjqaYzP4vh6e 2zRoeyL3H2PAQbodkBam6WiNHFG0HezOnSTxOHcpqx8s8bzgrJHGj6eUbQjxG27SGvTcy6Gs XSdq0hnpafc1V+voPJq3LMxUvLNrwg== In-Reply-To: Content-Type: text/plain; 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dkim=pass header.i=@siemens.com header.s=selector2 header.b=sqKi4Dch; 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:f403:2612::623 as permitted sender) smtp.mailfrom=quirin.gylstorff@siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: Gylstorff Quirin Reply-To: Gylstorff Quirin 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_MSPIKE_H3,RCVD_IN_MSPIKE_WL,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: +g1y5kGJrXlS On 7/18/24 1:34 PM, Heinisch, Alexander (T CED SES-AT) wrote: >>> 2. **Problem**: When embedding the target image into the installer rootfs a rebuild of the installer image is required everytime we change the target image. >>> >>> **Possible Solution**: Installer image could download target >>> image from http/ftp/s3 server at runtime and install it from memory. >>> (Therefore, we have to ensure enough memory is provided, or probably >>> support some kind of streaming functionality) >> >> This sounds like what SWUpdate or rauc already provide. Which could be used to describe the system and also provide a installation state. >> >> Quirin > > (I will focus on SWUpdate, since we already ship it in our target images.) > > That means instead of deploying a wic image like now, we could ship > e.g. SWUpdate and use an swu file to execute the tasks described? > Therefore, a reuse of partitioning and image deployment from such utility > was possible, putting the steps described for encryption, > secure-boot deployment, aso. as post scripts. > > Although, I see the value when it comes to image download/streaming > and verification of such, I'm not sure if the gained value of having SWUpdate > outweights the effort of shipping SWUpdate for an installer, > compared to a relatively simple script. > bmaptool, which is used right now to deploy the image, already supports > downloads from http(s)://, ftp://, ssh:// and file:// sources, checksums > and signature verification. Signatures are pgp based so an additional effort to generate and maintain them. > > + Reuse of existing logic (SWUpdate) > - Harder (although not that hard at all) to understand compared to > (imo relatively) simple script logic > - Build and ship additional component/dependency SWUpdate > ~ Build additional image for swu > (probably that's done anyways if SWUpdate is in use for OS/Firmware updates, > but downstream projects could use other stacks like rauc, mender, ... already) > + Same workflows for encryption / sb-enrollment could also be used on upgrades > > What was the reason not to use SWUpdate for the current installer? The initial use case of the current installer was to have a simple way to deploy test image onto the disk of a target device. This first implementation was using dd instead of bmaptool. Quirin > > BR Alexander -- You received this message because you are subscribed to the Google Groups "isar-users" group. 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