diff options
Diffstat (limited to 'classes/image-oci-umoci.inc')
| -rw-r--r-- | classes/image-oci-umoci.inc | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/classes/image-oci-umoci.inc b/classes/image-oci-umoci.inc new file mode 100644 index 00000000..c77750fb --- /dev/null +++ b/classes/image-oci-umoci.inc @@ -0,0 +1,135 @@ +IMAGE_CMD:oci() { + umoci_options="" + + bbdebug 1 "UMOCI image settings:" + bbdebug 1 " author: ${OCI_IMAGE_AUTHOR}" + bbdebug 1 " author email: ${OCI_IMAGE_AUTHOR_EMAIL}" + bbdebug 1 " tag: ${OCI_IMAGE_TAG}" + bbdebug 1 " arch: ${OCI_IMAGE_ARCH}" + bbdebug 1 " subarch: ${OCI_IMAGE_SUBARCH}" + bbdebug 1 " entrypoint: ${OCI_IMAGE_ENTRYPOINT}" + bbdebug 1 " entrypoint args: ${OCI_IMAGE_ENTRYPOINT_ARGS}" + bbdebug 1 " labels: ${OCI_IMAGE_LABELS}" + bbdebug 1 " uid: ${OCI_IMAGE_RUNTIME_UID}" + bbdebug 1 " working dir: ${OCI_IMAGE_WORKINGDIR}" + bbdebug 1 " env vars: ${OCI_IMAGE_ENV_VARS}" + bbdebug 1 " ports: ${OCI_IMAGE_PORTS}" + + OCI_REUSE_IMAGE="" + + # Change into the image deploy dir to avoid having any output operations capture + # long directories or the location. + cd ${IMGDEPLOYDIR} + + new_image=t + image_name="${IMAGE_NAME}${IMAGE_NAME_SUFFIX}-oci" + image_bundle_name="${IMAGE_NAME}${IMAGE_NAME_SUFFIX}-oci-bundle" + if [ -n "$OCI_REUSE_IMAGE" ]; then + if [ -d $image_name ]; then + bbdebug 1 "OCI: reusing image directory" + new_image="" + fi + else + bbdebug 1 "OCI: removing existing container image directory" + rm -rf $image_name $image_bundle_name + fi + + if [ -z "${OCI_IMAGE_TAG}" ]; then + OCI_IMAGE_TAG="initial-tag" + fi + + if [ -n "$new_image" ]; then + bbdebug 1 "OCI: umoci init --layout $image_name" + umoci init --layout $image_name + umoci new --image $image_name:${OCI_IMAGE_TAG} + umoci unpack --rootless --image $image_name:${OCI_IMAGE_TAG} $image_bundle_name + else + # todo: create a different tag, after checking if the passed one exists + true + fi + + bbdebug 1 "OCI: populating rootfs" + bbdebug 1 "OCI: cp -r ${IMAGE_ROOTFS}/* $image_bundle_name/rootfs/" + cp -r ${IMAGE_ROOTFS}/* $image_bundle_name/rootfs + + bbdebug 1 "OCI: umoci repack --image $image_name:${OCI_IMAGE_TAG} $image_bundle_name" + umoci repack --image $image_name:${OCI_IMAGE_TAG} $image_bundle_name + + bbdebug 1 "OCI: configuring image" + if [ -n "${OCI_IMAGE_LABELS}" ]; then + for l in ${OCI_IMAGE_LABELS}; do + bbdebug 1 "OCI: umoci config --image $image_name:${OCI_IMAGE_TAG} --config.label \"$l\"" + umoci config --image $image_name:${OCI_IMAGE_TAG} --config.label "$l" + done + fi + if [ -n "${OCI_IMAGE_ENV_VARS}" ]; then + for l in ${OCI_IMAGE_ENV_VARS}; do + bbdebug 1 "umoci config --image $image_name:${OCI_IMAGE_TAG} --config.env \"$l\"" + umoci config --image $image_name:${OCI_IMAGE_TAG} --config.env "$l" + done + fi + if [ -n "${OCI_IMAGE_PORTS}" ]; then + for l in ${OCI_IMAGE_PORTS}; do + bbdebug 1 "umoci config --image $image_name:${OCI_IMAGE_TAG} --config.exposedports $l" + umoci config --image $image_name:${OCI_IMAGE_TAG} --config.exposedports $l + done + fi + if [ -n "${OCI_IMAGE_RUNTIME_UID}" ]; then + bbdebug 1 "umoci config --image $image_name:${OCI_IMAGE_TAG} --config.user ${OCI_IMAGE_RUNTIME_UID}" + umoci config --image $image_name:${OCI_IMAGE_TAG} --config.user ${OCI_IMAGE_RUNTIME_UID} + fi + if [ -n "${OCI_IMAGE_WORKINGDIR}" ]; then + bbdebug 1 "umoci config --image $image_name:${OCI_IMAGE_TAG} --config.workingdir ${OCI_IMAGE_WORKINGDIR}" + umoci config --image $image_name:${OCI_IMAGE_TAG} --config.workingdir ${OCI_IMAGE_WORKINGDIR} + fi + if [ -n "${OCI_IMAGE_STOPSIGNAL}" ]; then + bbdebug 1 "umoci config --image $image_name:${OCI_IMAGE_TAG} --config.stopsignal ${OCI_IMAGE_STOPSIGNAL}" + umoci config --image $image_name:${OCI_IMAGE_TAG} --config.stopsignal ${OCI_IMAGE_STOPSIGNAL} + fi + if [ -n "${OCI_IMAGE_OS}" ]; then + bbdebug 1 "umoci config --image $image_name:${OCI_IMAGE_TAG} --os ${OCI_IMAGE_OS}" + umoci config --image $image_name:${OCI_IMAGE_TAG} --os ${OCI_IMAGE_OS} + fi + + bbdebug 1 "umoci config --image $image_name:${OCI_IMAGE_TAG} --architecture ${OCI_IMAGE_ARCH}" + umoci config --image $image_name:${OCI_IMAGE_TAG} --architecture ${OCI_IMAGE_ARCH} + # NOTE: umoci doesn't currently expose setting the architecture variant, + # so if you need it use sloci instead + if [ -n "${OCI_IMAGE_SUBARCH}" ]; then + bbnote "OCI: image subarch is set to: ${OCI_IMAGE_SUBARCH}, but umoci does not" + bbnote " expose variants. use sloci instead if this is important" + fi + umoci config --image $image_name:${OCI_IMAGE_TAG} \ + ${@" ".join("--config.entrypoint %s" % s for s in d.getVar("OCI_IMAGE_ENTRYPOINT").split())} + if [ -n "${OCI_IMAGE_ENTRYPOINT_ARGS}" ]; then + umoci config --image $image_name:${OCI_IMAGE_TAG} ${@" ".join("--config.cmd %s" % s for s in d.getVar("OCI_IMAGE_ENTRYPOINT_ARGS").split())} + fi + umoci config --image $image_name:${OCI_IMAGE_TAG} --author ${OCI_IMAGE_AUTHOR_EMAIL} + + # OCI_IMAGE_TAG may contain ":", but these are not allowed in OCI file + # names so replace them + image_tag="${@d.getVar("OCI_IMAGE_TAG").replace(":", "_")}" + + # make a tar version of the image direcotry + # 1) image_name.tar: compatible with oci tar format, blobs and rootfs + # are at the top level. Can load directly from something like podman + # 2) image_name-dir.tar: original format from meta-virt, is just a tar'd + # up oci image directory (compatible with skopeo :dir format) + if [ -n "${OCI_IMAGE_TAR_OUTPUT}" ]; then + ( + cd "$image_name" + tar -cf ../"$image_name.tar" "." + ) + tar -cf "$image_name-dir.tar" "$image_name" + + # create a convenience symlink + ln -sf "$image_name.tar" "${IMAGE_BASENAME}-$image_tag-oci.tar" + ln -sf "$image_name-dir.tar" "${IMAGE_BASENAME}-$image_tag-oci-dir.tar" + fi + + # We could make this optional, since the bundle is directly runnable via runc + rm -rf $image_bundle_name + + # This is the OCI image directory, which is technically the "image" as specified + ln -sf $image_name ${IMAGE_BASENAME}-$image_tag-oci +} |