1 files changed, 111 insertions, 0 deletions

diff --git a/classes/image-oci-umoci.inc b/classes/image-oci-umoci.inc
new file mode 100644
index 00000000..b622714e
--- /dev/null
+++ b/classes/image-oci-umoci.inc
@@ -0,0 +1,111 @@
+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  --config.label $l"
+            umoci config --image $image_name  --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 --config.env $l"
+            umoci config --image $image_name --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 --config.exposedports $l"
+            umoci config --image $image_name --config.exposedports $l
+        done
+    fi
+    if [ -n "${OCI_IMAGE_RUNTIME_UID}" ]; then
+        bbdebug 1 "umoci config --image $image_name  --config.user ${OCI_IMAGE_RUNTIME_UID}"
+        umoci config --image $image_name  --config.user ${OCI_IMAGE_RUNTIME_UID}
+    fi
+    if [ -n "${OCI_IMAGE_WORKINGDIR}" ]; then
+        bbdebug 1 "umoci config --image $image_name  --config.workingdir ${OCI_IMAGE_WORKINGDIR}"
+        umoci config --image $image_name  --config.workingdir ${OCI_IMAGE_WORKINGDIR}
+    fi
+    if [ -n "${OCI_IMAGE_OS}" ]; then
+        bbdebug 1 "umoci config --image $image_name  --os ${OCI_IMAGE_OS}"
+        umoci config --image $image_name  --os ${OCI_IMAGE_OS}
+    fi
+
+    bbdebug 1 "umoci config --image $image_name  --architecture ${OCI_IMAGE_ARCH}"
+    umoci config --image $image_name  --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  --config.entrypoint ${OCI_IMAGE_ENTRYPOINT}
+    if [ -n "${OCI_IMAGE_ENTRYPOINT_ARGS}" ]; then
+        umoci config --image $image_name  --config.cmd "${OCI_IMAGE_ENTRYPOINT_ARGS}"
+    fi
+    umoci config --image $image_name  --author ${OCI_IMAGE_AUTHOR_EMAIL}
+
+    # make a tar version of the image direcotry
+    if [ -n "${OCI_IMAGE_TAR_OUTPUT}" ]; then
+        tar -cf "$image_name.tar" "$image_name"
+    fi
+
+    # We could make this optional, since the bundle is directly runnable via runc
+    rm -rf $image_bundle_name
+}