From 60767203dfab0cf321d3e830e1d1af213bf6df74 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 24 May 2013 21:10:10 +0200
Subject: IMPORTANT: Implemented remote config that will be loaded at bootup
 IMPORTANT: You need to add the URL to a config to the kernel command line
 IMPORTANT: or you won't see any vmware images anymore in your vmchooser
 IMPORTANT: add 'APPEND slxconfig=http://132.230.8.113/boot/config' to
 IMPORTANT: your tftp config for a start...

---
 .../data/etc/systemd/system/var-lib-virt.mount        | 10 ----------
 .../data/etc/systemd/system/var-lib-virt.service      |  8 ++++++++
 .../data/etc/openslx/udhcpc.openslx.script            |  2 +-
 .../data/etc/systemd/system/download-config.service   |  6 ++++++
 .../data/opt/openslx/bin/activate-sysconfig           | 19 +++++++++++++++++++
 .../data/opt/openslx/bin/mount-lib-virt               |  8 ++++++++
 6 files changed, 42 insertions(+), 11 deletions(-)
 delete mode 100644 remote/modules/vmchooser/data/etc/systemd/system/var-lib-virt.mount
 create mode 100644 remote/modules/vmchooser/data/etc/systemd/system/var-lib-virt.service
 create mode 100644 remote/rootfs/rootfs-stage32/data/etc/systemd/system/download-config.service
 create mode 100755 remote/rootfs/rootfs-stage32/data/opt/openslx/bin/activate-sysconfig
 create mode 100755 remote/rootfs/rootfs-stage32/data/opt/openslx/bin/mount-lib-virt

diff --git a/remote/modules/vmchooser/data/etc/systemd/system/var-lib-virt.mount b/remote/modules/vmchooser/data/etc/systemd/system/var-lib-virt.mount
deleted file mode 100644
index 21ac1544..00000000
--- a/remote/modules/vmchooser/data/etc/systemd/system/var-lib-virt.mount
+++ /dev/null
@@ -1,10 +0,0 @@
-[Unit]
- Description=Mount vm-store NFS
- 
- [Mount]
- What=vm-store.public.ads.uni-freiburg.de:vmwareImages/vmware/vmware65
- Where=/var/lib/virt
- Type=nfs
- Options=ro,async,nolock,vers=3
- StandardOutput=syslog
- StandardError=syslog
diff --git a/remote/modules/vmchooser/data/etc/systemd/system/var-lib-virt.service b/remote/modules/vmchooser/data/etc/systemd/system/var-lib-virt.service
new file mode 100644
index 00000000..7a4b4f58
--- /dev/null
+++ b/remote/modules/vmchooser/data/etc/systemd/system/var-lib-virt.service
@@ -0,0 +1,8 @@
+[Unit]
+Description=Mount vm-store NFS
+Wants=download-config.service
+After=download-config.service
+
+[Service]
+Type=oneshot
+ExecStart=/opt/openslx/bin/mount-lib-virt
diff --git a/remote/rootfs/rootfs-stage32/data/etc/openslx/udhcpc.openslx.script b/remote/rootfs/rootfs-stage32/data/etc/openslx/udhcpc.openslx.script
index 199495aa..444dc52c 100755
--- a/remote/rootfs/rootfs-stage32/data/etc/openslx/udhcpc.openslx.script
+++ b/remote/rootfs/rootfs-stage32/data/etc/openslx/udhcpc.openslx.script
@@ -63,7 +63,7 @@ search lp.ruf.uni-freiburg.de
 	# TODO i.e. event trigger
 	[ "x$(grep -ci mount /proc/cmdline)" != "x0" ] && systemctl start nfs-mount.service
 	# Always mount virtlib directory
-	systemctl start var-lib-virt.mount
+	systemctl start var-lib-virt.service
 	
 	;;
 
diff --git a/remote/rootfs/rootfs-stage32/data/etc/systemd/system/download-config.service b/remote/rootfs/rootfs-stage32/data/etc/systemd/system/download-config.service
new file mode 100644
index 00000000..8807d2ea
--- /dev/null
+++ b/remote/rootfs/rootfs-stage32/data/etc/systemd/system/download-config.service
@@ -0,0 +1,6 @@
+[Unit]
+Description=Parse kernel command line for config URL and download
+
+[Service]
+Type=oneshot
+ExecStart=/opt/openslx/bin/activate-sysconfig
diff --git a/remote/rootfs/rootfs-stage32/data/opt/openslx/bin/activate-sysconfig b/remote/rootfs/rootfs-stage32/data/opt/openslx/bin/activate-sysconfig
new file mode 100755
index 00000000..e50111ae
--- /dev/null
+++ b/remote/rootfs/rootfs-stage32/data/opt/openslx/bin/activate-sysconfig
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+export PATH=/opt/openslx/bin:/opt/openslx/usr/bin
+
+URL="$(grep -o -E "slxconfig=\S+" /proc/cmdline | cut -c 11-)"
+
+if [ -z "$URL" ]; then
+	echo "Error - 'slxconfig=' not found in command line, or empty"
+	exit 1
+fi
+
+wget -q -O "/opt/openslx/config" "$URL"
+RET=$?
+if [ "x$RET" != "x0" ]; then
+	echo "Error - downloading '$URL' via wget failed. Exit Code: $RET"
+	exit 1
+fi
+exit 0
+
diff --git a/remote/rootfs/rootfs-stage32/data/opt/openslx/bin/mount-lib-virt b/remote/rootfs/rootfs-stage32/data/opt/openslx/bin/mount-lib-virt
new file mode 100755
index 00000000..ac0dd1a4
--- /dev/null
+++ b/remote/rootfs/rootfs-stage32/data/opt/openslx/bin/mount-lib-virt
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+. /opt/openslx/config || exit 1
+
+export PATH=/opt/openslx/bin:/opt/openslx/usr/bin:/opt/openslx/sbin:/opt/openslx/usr/sbin:/bin:/sbin:/usr/bin:/usr/sbin
+
+mkdir -p /var/lib/virt
+mount -t nfs -o ro,async,nolock,vers=3 "$SLX_VM_NFS" /var/lib/virt
-- 
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