wip: add quark build command

Signed-off-by: Julian Labatut <[email protected]>

scripts/mkbundle.sh

@@ -0,0 +1,24 @@
+# From https://github.com/virt-do/kaps/blob/main/hack/mkbundle.sh
+
+# The URL of a container image archive should be supplied in parameter
+# Example with alpine : https://dl-cdn.alpinelinux.org/alpine/v3.14/releases/x86_64/alpine-minirootfs-3.14.2-x86_64.tar.gz
+if [[ $# -ne 1 ]]; then
+    echo "Missing container image URL"
+    exit 1
+fi
+
+DEST="ctr-bundle"
+IMAGE_ARCHIVE_URL=$1
+IMAGE_ARCHIVE_NAME="imageArchive"
+
+rm -rf $DEST $IMAGE_ARCHIVE_NAME && mkdir -p "$DEST"/rootfs
+
+# Download and untar the image
+curl -sSL $IMAGE_ARCHIVE_URL -o $IMAGE_ARCHIVE_NAME
+tar xf $IMAGE_ARCHIVE_NAME -C "$DEST"/rootfs
+rm $IMAGE_ARCHIVE_NAME
+
+pushd "$DEST" > /dev/null
+# Generate a runtime spec
+runc spec --rootless
+popd > /dev/null

kernel/mkkernel.sh → scripts/mkkernel.sh

@@ -9,8 +9,8 @@ then
     git clone --depth 1 "https://github.com/cloud-hypervisor/linux.git" -b "ch-5.14" $LINUX_REPO
 fi
 
-pushd $LINUX_REPO
+pushd $LINUX_REPO > /dev/null
 pwd
 wget -qO .config $CONFIG_URL
 make bzImage -j `nproc`
-popd
+popd > /dev/null

scripts/mkrootfs.sh

@@ -0,0 +1,34 @@
+# From https://github.com/virt-do/lumper/blob/main/rootfs/mkrootfs.sh
+
+DEST="alpine-minirootfs"
+IMAGE_ARCHIVE_URL="https://dl-cdn.alpinelinux.org/alpine/v3.14/releases/x86_64/alpine-minirootfs-3.14.2-x86_64.tar.gz"
+IMAGE_ARCHIVE_NAME="imageArchive"
+
+rm -rf $DEST $IMAGE_ARCHIVE_NAME && mkdir $DEST
+
+# Download and untar the image
+curl -sSL $IMAGE_ARCHIVE_URL -o $IMAGE_ARCHIVE_NAME
+tar xf $IMAGE_ARCHIVE_NAME -C $DEST
+rm $IMAGE_ARCHIVE_NAME
+
+pushd "$DEST" > /dev/null
+# Create an init file in the rootfs
+cat > init <<EOF
+#! /bin/sh
+#
+# /init executable file in the initramfs 
+#
+mount -t devtmpfs dev /dev
+mount -t proc proc /proc
+mount -t sysfs sysfs /sys
+ip link set up dev lo
+
+exec /opt/kaps run --bundle /ctr-bundle
+poweroff -f
+EOF
+
+chmod +x init
+
+popd > /dev/null
+
+# Here we do not create the rootfs image because we need to add some files in it later