From 20109cee7386aeeee9273b914a868bbd5c314f49 Mon Sep 17 00:00:00 2001
From: Gregory Kurtzer <gmkurtzer@gmail.com>
Date: Sun, 20 Dec 2020 01:17:37 -0800
Subject: [PATCH] Convert ramfs to tmpfs and jump through the required hoops...

---
 overlays/system/default/init.ww | 75 +++++++++++++++++++++++----------
 1 file changed, 53 insertions(+), 22 deletions(-)

diff --git a/overlays/system/default/init.ww b/overlays/system/default/init.ww
index 5832228b..5b568c41 100755
--- a/overlays/system/default/init.ww
+++ b/overlays/system/default/init.ww
@@ -4,10 +4,62 @@
 # know what you are doing and even then you should make a backup.
 #
 # Edit at your own risk! DANGER DANGER.
+mkdir /newroot
+mount wwroot /newroot -t tmpfs
+
+cat <<EOF >/newroot/wwinit
+#!/bin/sh
+
+mount -t proc none /proc
+mount -t sysfs none /sys
+mount -t devtmpfs devtmpfs /dev
+
+# This will eventually be optional
+if true; then
+    if [ -f "/etc/pam.d/system-auth" ]; then
+        sed -i -e '/^account.*pam_unix\.so\s*$/s/\s*$/\ broken_shadow/' /etc/pam.d/system-auth
+    fi
+
+    if [ -f "/etc/pam.d/password-auth" ]; then
+        sed -i -e '/^account.*pam_unix\.so\s*$/s/\s*$/\ broken_shadow/' /etc/pam.d/password-auth
+    fi
+
+    if [ -f "/etc/pam.d/common-account" ]; then
+        sed -i -e '/^account.*pam_unix\.so\s*$/s/\s*$/\ broken_shadow/' /etc/pam.d/common-account
+    fi
+fi
+
+/sbin/ip link set dev lo up
+
+nohup /warewulf/bin/wwclient >/var/log/wwclient.log 2>&1 </dev/null &
+
+if test -x /sbin/load_policy && test -x /sbin/restorecon; then
+    /sbin/load_policy -i
+    /sbin/restorecon -r /
+fi
+
+echo "Calling {{$.Init}}..."
+echo
+
+rm /wwinit
+chmod 755 /
+
+sleep 2
+exec {{$.Init}}
+EOF
+chmod 755 /newroot/wwinit
+
+tar -cf - --exclude /proc --exclude /sys --exclude /dev --exclude /newroot . | tar -xf - -C /newroot
+mount proc /proc -t proc
+exec /sbin/switch_root /newroot /wwinit
 
 
 
-echo "Warewulf v4 is now booting"
+
+
+
+
+/bin/bash
 
 # Considering what to do if we are operating on a read only root
 if false; then
@@ -25,27 +77,6 @@ if false; then
 
 fi
 
-# This will eventually be optional
-if true; then
-    if [ -f "/etc/pam.d/system-auth" ]; then
-        sed -i -e '/^account.*pam_unix\.so\s*$/s/\s*$/\ broken_shadow/' /etc/pam.d/system-auth
-    fi
-
-    if [ -f "/etc/pam.d/password-auth" ]; then
-        sed -i -e '/^account.*pam_unix\.so\s*$/s/\s*$/\ broken_shadow/' /etc/pam.d/password-auth
-    fi
-
-    if [ -f "/etc/pam.d/common-account" ]; then
-        sed -i -e '/^account.*pam_unix\.so\s*$/s/\s*$/\ broken_shadow/' /etc/pam.d/common-account
-    fi
-fi
-
-mount -t proc none /proc
-mount -t sysfs none /sys
-mount -t devtmpfs devtmpfs /dev
-
-/sbin/ip link set dev lo up
-
 nohup /warewulf/bin/wwclient >/var/log/wwclient.log 2>&1 </dev/null &
 
 nohup /ipmi >/var/log/ipmi.log 2>&1 </dev/null &