Merge pull request #31 from lima-vm/qemu-binfmt

Install qemu-* files from tonistiigi/binfmt

Author: AkihiroSuda

.gitignore

@@ -4,3 +4,4 @@
 /rd.yaml
 /std.yaml
 /nerdctl-*
+/qemu-*

Dockerfile

@@ -1,4 +1,8 @@
 ARG ALPINE_VERSION=latest
+ARG BINFMT_IMAGE=tonistiigi/binfmt:latest
+
+FROM ${BINFMT_IMAGE} as binfmt
+
 FROM alpine:${ALPINE_VERSION}
 RUN apk add alpine-sdk build-base apk-tools alpine-conf busybox \
   fakeroot xorriso squashfs-tools sudo \
@@ -8,6 +12,8 @@ RUN apk add alpine-sdk build-base apk-tools alpine-conf busybox \
 ARG TARGETARCH
 RUN if [ "${TARGETARCH}" = "amd64" ]; then apk add syslinux; fi
 
+COPY --from=binfmt /usr/bin /binfmt
+
 RUN addgroup root abuild
 RUN abuild-keygen -i -a -n
 RUN apk update

Makefile

@@ -18,24 +18,30 @@ ARCH_ALIAS_aarch64 = arm64
 ARCH_ALIAS = $(shell echo "$(ARCH_ALIAS_$(ARCH))")
 
 NERDCTL_VERSION=0.14.0
+QEMU_VERSION=v6.1.0
+BINFMT_IMAGE=tonistiigi/binfmt:qemu-$(QEMU_VERSION)
 
 .PHONY: mkimage
 mkimage:
 	cd src/aports && git fetch && git checkout $(GIT_TAG)
 	docker build \
 		--tag mkimage:$(ALPINE_VERSION)-$(ARCH) \
 		--build-arg ALPINE_VERSION=$(ALPINE_VERSION) \
+		--build-arg BINFMT_IMAGE=$(BINFMT_IMAGE) \
 		--platform linux/$(ARCH_ALIAS) \
 		.
 
 .PHONY: iso
-iso: nerdctl-$(NERDCTL_VERSION)-$(ARCH)
-	ALPINE_VERSION=$(ALPINE_VERSION) NERDCTL_VERSION=$(NERDCTL_VERSION) REPO_VERSION=$(REPO_VERSION) EDITION=$(EDITION) BUILD_ID=$(BUILD_ID) ARCH=$(ARCH) ARCH_ALIAS=$(ARCH_ALIAS) ./build.sh
+iso: nerdctl-$(NERDCTL_VERSION)-$(ARCH) qemu-$(QEMU_VERSION)-copying
+	ALPINE_VERSION=$(ALPINE_VERSION) NERDCTL_VERSION=$(NERDCTL_VERSION) QEMU_VERSION=$(QEMU_VERSION) REPO_VERSION=$(REPO_VERSION) EDITION=$(EDITION) BUILD_ID=$(BUILD_ID) ARCH=$(ARCH) ARCH_ALIAS=$(ARCH_ALIAS) ./build.sh
 
 
 nerdctl-$(NERDCTL_VERSION)-$(ARCH):
 	curl -o $@ -Ls https://github.com/containerd/nerdctl/releases/download/v$(NERDCTL_VERSION)/nerdctl-full-$(NERDCTL_VERSION)-linux-$(ARCH_ALIAS).tar.gz
 
+qemu-$(QEMU_VERSION)-copying:
+	curl -o $@ -Ls https://raw.githubusercontent.com/qemu/qemu/$(QEMU_VERSION)/COPYING
+
 .PHONY: lima
 lima:
 	ALPINE_VERSION=$(ALPINE_VERSION) EDITION=$(EDITION) ARCH=$(ARCH) ./lima.sh

build.sh

@@ -17,6 +17,7 @@ docker run --rm \
     -v "${PWD}/lima-init-local.openrc:/home/build/lima-init-local.openrc:ro" \
     -v "${PWD}/lima-network.awk:/home/build/lima-network.awk:ro" \
     -v "${PWD}/nerdctl-${NERDCTL_VERSION}-${ARCH}:/home/build/nerdctl.tar.gz:ro" \
+    -v "${PWD}/qemu-${QEMU_VERSION}-copying:/home/build/qemu-copying:ro" \
     -v "${PWD}/sshd.pam:/home/build/sshd.pam:ro" \
     $(env | grep ^LIMA_ | xargs -n 1 printf -- '-e %s ') \
     -e "LIMA_REPO_VERSION=${REPO_VERSION}" \

genapkovl-lima.sh

@@ -159,7 +159,20 @@ if [ "${LIMA_INSTALL_DOCKER}" == "true" ]; then
 fi
 
 if [ "${LIMA_INSTALL_BINFMT_MISC}" == "true" ]; then
-    echo "qemu-aarch64" >> "$tmp"/etc/apk/world
+    # install qemu-aarch64 on x86_64 and vice versa
+    OTHERARCH=aarch64
+    if [ "$(uname -m)" == "${OTHERARCH}" ]; then
+        OTHERARCH=x86_64
+    fi
+
+    # Installing into /usr/bin instead of /usr/local/bin because that's
+    # where /etc/init.d/qemu-binfmt will be looking for it
+    mkdir -p "${tmp}/usr/bin/"
+    cp /binfmt/qemu-${OTHERARCH} "${tmp}/usr/bin/"
+
+    # Copy QEMU license into /usr/share/doc (using Debian naming convention)
+    mkdir -p "${tmp}/usr/share/doc/qemu/"
+    cp /home/build/qemu-copying "${tmp}/usr/share/doc/qemu/copyright"
 
     mkdir -p "${tmp}/etc/init.d/"
     APKBUILD=/home/build/aports/community/qemu-openrc/APKBUILD
@@ -168,6 +181,12 @@ if [ "${LIMA_INSTALL_BINFMT_MISC}" == "true" ]; then
     wget "${URL}/v${PKGVER}/qemu-binfmt.initd" -O "${tmp}/etc/init.d/qemu-binfmt"
     chmod +x "${tmp}/etc/init.d/qemu-binfmt"
 
+    # qemu-binfmt doesn't include an entry for x86_64
+    magic="7f454c4602010100000000000000000002003e00"
+    mask="fffffffffffefe00fffffffffffffffffeffffff"
+    arch="x86_64"
+    sed -i "/^FMTS=/a \\\t${magic} ${mask} ${arch}" "${tmp}/etc/init.d/qemu-binfmt"
+
     rc_add qemu-binfmt default
 fi
 

mkimg.lima.sh

@@ -27,9 +27,6 @@ profile_lima() {
         if [ "${LIMA_INSTALL_LIMA_INIT}" == "true" ]; then
             apks="$apks e2fsprogs lsblk sfdisk shadow sudo udev"
         fi
-        if [ "${LIMA_INSTALL_BINFMT_MISC}" == "true" ]; then
-            apks="$apks qemu-aarch64"
-        fi
         if [ "${LIMA_INSTALL_K3S}" == "true" ]; then
             apks="$apks k3s"
         fi