Merge pull request #1214 from rneugeba/multi

scripts: Add script to run a hyperkit with moby on the DfM network

.gitignore

@@ -1,6 +1,7 @@
 test.log
 Dockerfile.media
 /bin
+disk.img.*
 *.swp
 *.img
 *.tag

scripts/d4m.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# This script runs a HyperKit VM reusing the Docker for Mac VPNKit.
+# It requires a recent version of Docker for Mac with an updated VPNKit
+
+set -e
+
+HYPERKIT=/Applications/Docker.app/Contents/MacOS/com.docker.hyperkit
+DB=${HOME}/Library/Containers/com.docker.docker/Data/database
+DB_BRIDGE=com.docker.driver.amd64-linux/slirp/bridge-connections
+
+# Check if VPNKit L2 bridge mode is enabled
+enable_bridge() {
+    (cd $DB && \
+         echo 1 > ${DB_BRIDGE} && \
+         git add ${DB_BRIDGE} && \
+         git commit -m "enable bridge"
+    )
+}
+
+(cd $DB; git reset --hard)
+if [ -f ${DB}/${DB_BRIDGE} ]; then
+    content=$(cat ${DB}/${DB_BRIDGE})
+    [ ${content} != "1" ] && enable_bridge
+else
+    enable_bridge
+fi
+
+KERNEL="kernel/x86_64/vmlinuz64"
+: ${INITRD:="alpine/initrd.img"}
+CMDLINE="earlyprintk=serial console=ttyS0"
+
+DISK=$(mktemp disk.img.XXXX)
+dd if=/dev/zero of=$DISK bs=1048576 count=256
+
+MEM="-m 1G"
+SMP="-c 1"
+SLIRP_SOCK=${HOME}/Library/Containers/com.docker.docker/Data/s50
+NET="-s 2:0,virtio-vpnkit,uuid=35e617a8-5db9-4420-9dfb-84da72dec7ac,path=$SLIRP_SOCK"
+IMG_HDD="-s 4,virtio-blk,$DISK"
+PCI_DEV="-s 0:0,hostbridge -s 31,lpc"
+RND="-s 5,virtio-rnd"
+LPC_DEV="-l com1,stdio"
+$HYPERKIT -A $MEM $SMP $PCI_DEV $LPC_DEV $NET $IMG_HDD $RND -u -f kexec,$KERNEL,$INITRD,"$CMDLINE"