Initial commit

munix-init-root

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+unset LANGUAGE LC_ALL LC_CTYPE LC_NUMERIC LC_COLLATE LC_TIME LC_MESSAGES LC_MONETARY LC_ADDRESS LC_IDENTIFICATION LC_MEASUREMENT LC_PAPER LC_TELEPHONE LC_NAME LANG 2>/dev/null # perl, calm down
+PATH=$MICROVM_CLOSURE/sw/bin
+
+echo "=> Initializing microVM environment"
+
+mkdir /run/log
+
+# Prepare mounts for paths that activation writes to
+mount -t tmpfs tmpfs /etc
+cp /run/muvm-host/etc/resolv.conf /etc/resolv.conf
+mount -t tmpfs tmpfs /usr/bin
+cp /run/muvm-host/usr/bin/munix-init-user /usr/bin/munix-init-user
+mount -t tmpfs tmpfs /dev/shm # tries to remount, fails on virtiofs due to unexpected opts
+
+$MICROVM_CLOSURE/activate >/run/log/activate.spam 2>&1
+
+umount /dev/shm # restore the original virtiofs dax shm though
+
+chown 1001:1001 /run /dev # avoid "Detected unsafe path transition"
+systemd-tmpfiles --create >/run/log/tmpfiles.spam 2>&1
+
+systemd-machine-id-setup >/dev/null 2>&1
+
+$MICROVM_CLOSURE/sw/lib/systemd/systemd-udevd >/run/log/udevd.spam 2>&1 &
+
+echo "=> microVM environment ready!"