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dkim=pass header.i=@siemens.com header.s=selector2 header.b=CxET0O6P; arc=pass (i=1 spf=pass spfdomain=siemens.com dmarc=pass fromdomain=siemens.com); spf=pass (google.com: domain of adriaan.schmidt@siemens.com designates 2a01:111:f400:7e1b::62f as permitted sender) smtp.mailfrom=adriaan.schmidt@siemens.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=siemens.com 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=-0.9 required=5.0 tests=DKIMWL_WL_MED, DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, 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-getmail-retrieved-from-mailbox: INBOX Signed-off-by: Adriaan Schmidt --- RECIPE-API-CHANGELOG.md | 48 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/RECIPE-API-CHANGELOG.md b/RECIPE-API-CHANGELOG.md index 5913dd27..c23d7567 100644 --- a/RECIPE-API-CHANGELOG.md +++ b/RECIPE-API-CHANGELOG.md @@ -349,3 +349,51 @@ For a list of well-known Debian build profiles and common practices, we refer to It was replaced by WIC and no more needed. Machines that use `rpi-sdimg` image type should be modified to use `wic` type with `rpi-sdimg` wks file instead. + +### Changes to image types + +The way different image types are handled has changed to be closer to the +implementation in OE. + +Changes when using the built-in types: + * Image recipes no longer inherit their image type class. + * Names of image types, as defined using IMAGE_FSTYPES, no longer have the + suffix `-img`, i.e., `wic-img` becomes `wic`, `ext4-img` becomes `ext4`, + and so on. + * Image types defined in IMAGE_FSTYPES can be suffixed with conversions. + To get a compressed image, set IMAGE_FSTYPES to `wic.xz`, `ext4.gz`, etc. + That also means that the type of the previous `targz-img` is not `tar.gz`. + * Container types (previously CONTAINER_IMAGE_FORMATS) are now + first class image types (oci, oci-archive, docker-archive, + docker-daemon, containers-storage) + * The VM image now has type `ova` (instead of `vm-img`) + +Changes when defining custom image classes: + * Custom image classes that only add a compression step should be removed + and replaced by an image conversion (see below). + * Instead of providing a do_image_mytype task, custom image classes should + now provide IMAGE_CMD_mytype + * Imager dependencies are set as IMAGER_INSTALL_mytype + * Required arguments (variables that must be set) are modelled by + IMAGE_CMD_REQUIRED_ARGS_mytype = "A B C" + * When extending an existing image type, instead of inheriting the base + image class, IMAGE_TYPEDEP_mytype can be set to define dependencies + between image types. + * In the IMAGE_CMD_mytype function: + - image_do_mounts is inserted automatically + - a final chown is inserted automatically + - variables IMAGE_FILE_HOST and IMAGE_FILE_CHROOT are + set to reference the image + - variable SUDO_CHROOT contains the chroot command needed to run in the + build changeroot + * Custom image classes need to be added to IMAGE_CLASSES (e.g., in local.conf + or machine config) so Isar will include them. + +New conversions can be added by defining CONVERSION_CMD_type. + * Dependencies that need to be installed are given as CONVERSION_DEP_type. + * New conversions must be added to CONVERSION_TYPES before they can be used. + * In conversion commands + - the input file is named ${IMAGE_FULLNAME}.${type} + - the conversions appends its own type, e.g. the output file of a conversion `xz` + would be ${IMAGE_FULLNAME}.${type}.xz + - a final chown is appended automatically