Merge pull request #2 from rancher-sandbox/binfmt

Add support for binfmt_misc to run aarch64 binaries

edition/min

@@ -1,4 +1,5 @@
 export LIMA_INSTALL_CLOUD_INIT=false
 export LIMA_INSTALL_LIMA_INIT=false
+export LIMA_INSTALL_BINFMT_MISC=false
 export LIMA_INSTALL_K3S=false
 export LIMA_INSTALL_SSHFS=false

edition/std

@@ -1,3 +1,4 @@
 source edition/min
 LIMA_INSTALL_LIMA_INIT=true
+LIMA_INSTALL_BINFMT_MISC=true
 LIMA_INSTALL_SSHFS=true

genapkovl-lima.sh

@@ -118,6 +118,19 @@ if [ "${LIMA_INSTALL_K3S}" == "true" ]; then
     rc_add k3s default
 fi
 
+if [ "${LIMA_INSTALL_BINFMT_MISC}" == "true" ]; then
+    echo "qemu-aarch64" >> "$tmp"/etc/apk/world
+
+    mkdir -p "${tmp}/etc/init.d/"
+    APKBUILD=/home/build/aports/community/qemu-openrc/APKBUILD
+    PKGVER=$(awk '/^pkgver=/ {split($1, a, "="); print a[2]}' ${APKBUILD})
+    URL=$(awk '/^url=/ {split($1, a, "="); print a[2]}' ${APKBUILD} | tr -d '"' | sed 's/github/raw.githubusercontent/')
+    wget "${URL}/v${PKGVER}/qemu-binfmt.initd" -O "${tmp}/etc/init.d/qemu-binfmt"
+    chmod +x "${tmp}/etc/init.d/qemu-binfmt"
+
+    rc_add qemu-binfmt default
+fi
+
 if [ "${LIMA_INSTALL_SSHFS}" == "true" ]; then
     echo "sshfs" >> "$tmp"/etc/apk/world
 fi

mkimg.lima.sh

@@ -20,6 +20,9 @@ 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