From 2f4a2de298c5f4b552007ca72810f3f6f4f83313 Mon Sep 17 00:00:00 2001
From: Thierry Parmentelat <thierry.parmentelat@sophia.inria.fr>
Date: Tue, 10 Apr 2012 18:41:02 +0200
Subject: [PATCH] new package lxc-sliceimage

---
 cron.d/lxc-sliceimage      |  9 +++++++
 initscripts/lxc-sliceimage | 54 ++++++++++++++++++++++++++++++++++++++
 logrotate/lxc-sliceimage   |  8 ++++++
 lxc-sliceimage.spec        | 51 +++++++++++++++++++++++++++++++++++
 4 files changed, 122 insertions(+)
 create mode 100644 cron.d/lxc-sliceimage
 create mode 100644 initscripts/lxc-sliceimage
 create mode 100644 logrotate/lxc-sliceimage
 create mode 100644 lxc-sliceimage.spec

diff --git a/cron.d/lxc-sliceimage b/cron.d/lxc-sliceimage
new file mode 100644
index 0000000..a47096f
--- /dev/null
+++ b/cron.d/lxc-sliceimage
@@ -0,0 +1,9 @@
+#
+# Runs once a day to update the VServer reference images and system
+# slice configuration files
+#
+# Mark Huang <mlhuang@cs.princeton.edu>
+# Copyright (C) 2006 The Trustees of Princeton University
+#
+
+@M@ @H@ * * *	root	/etc/init.d/lxc-sliceimage start >/dev/null 2>&1
diff --git a/initscripts/lxc-sliceimage b/initscripts/lxc-sliceimage
new file mode 100644
index 0000000..8d078d3
--- /dev/null
+++ b/initscripts/lxc-sliceimage
@@ -0,0 +1,54 @@
+#!/bin/bash
+# chkconfig: 345 20 80
+# description: Create BTRFS subvolumes for LXC reference images.
+#
+
+
+case "$1" in
+    start|restart|reload)
+        ;;
+    force)
+        FORCE=true;;
+    stop|status)
+        exit 0
+        ;;
+    *)
+        echo $"Usage: $0 {start|stop|restart|reload|status|force}"
+        exit 1
+        ;;
+esac
+
+# Check if we are in the build environment
+mount | grep -q 'planetlab-vservers' || exit 0
+
+# Source function library
+. /etc/init.d/functions
+
+# xxx get version some other way
+# might just want to scan /vservers/.vref instead
+# upgrades (from the real image to the .lvref area) might be challenging
+# xxx 
+
+sliceimage_dir=/vservers/.vref
+
+[ -d $sliceimage_dir ] || exit 0
+
+sliceimages=$(cd $sliceimage_dir ; ls )
+
+for sliceimage in $sliceimages; do
+    mkdir -p /vservers/.lvref
+    [ -d /vservers/.lvref/$sliceimage ] && continue
+    btrfs subvolume create /vservers/.lvref/$sliceimage
+# what is that ?
+#    btrfs subvolume create /vservers/.lvref/lxc-squeeze-x86_64
+    # copy the slice image into the btrfs ?
+    tar -C $sliceimage_dir -cf - $sliceimage | tar -C /vservers/.lvref -xf -
+# we need a smarter way to handle upgrades
+# the original code trashed the ref image that came with an rpm
+#    rm -rf /vservers/lxc-reference-${VERSION}.tgz
+# this would probably cause the image to be re-created upon yum update
+# or prevent updates to make it to the node ?
+#    rm -rf $sliceimage_dir/$sliceimage
+fi
+
+exit 0
diff --git a/logrotate/lxc-sliceimage b/logrotate/lxc-sliceimage
new file mode 100644
index 0000000..b624c58
--- /dev/null
+++ b/logrotate/lxc-sliceimage
@@ -0,0 +1,8 @@
+/var/log/lxc-sliceimage {
+    copytruncate
+    compress
+    daily
+    notifempty
+    rotate 5
+    missingok
+}
diff --git a/lxc-sliceimage.spec b/lxc-sliceimage.spec
new file mode 100644
index 0000000..10e5aa4
--- /dev/null
+++ b/lxc-sliceimage.spec
@@ -0,0 +1,51 @@
+%define name lxc-sliceimage
+%define version 5.1
+%define taglevel 0
+
+%define release %{taglevel}%{?pldistro:.%{pldistro}}%{?date:.%{date}}
+
+Vendor: PlanetLab
+Packager: PlanetLab Central <support@planet-lab.org>
+Distribution: PlanetLab %{plrelease}
+URL: %{SCMURL}
+
+Summary: lxc-specific node code for slice families
+Name: %{name}
+Version: %{version}
+Release: %{release}
+Source0: %{name}-%{version}.tar.bz2
+License: GPL
+Group: Applications/System
+BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-buildroot
+Requires: btrfs-progs
+BuildArch: noarch
+
+%description
+A simple package to deploy reference images for lxc
+
+%prep
+%setup -q
+
+%build
+
+%install
+rm -rf $RPM_BUILD_ROOT
+install -D -m 755 initscripts/lxc-sliceimage ${RPM_BUILD_ROOT}/%{_initrddir}/lxc-sliceimage
+install -D -m 644 cron.d/lxc-sliceimage $RPM_BUILD_ROOT/%{_sysconfdir}/cron.d/lxc-sliceimage
+install -D -m 644 logrotate/lxc-sliceimage $RPM_BUILD_ROOT/%{_sysconfdir}/logrotate.d/lxc-sliceimage
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%{_initrddir}/lxc-sliceimage
+%{_sysconfdir}/cron.d/lxc-sliceimage
+%{_sysconfdir}/logrotate.d/lxc-sliceimage
+
+%post
+chkconfig --add lxc-sliceimage
+chkconfig lxc-sliceimage on
+# Randomize daily run time
+M=$((60 * $RANDOM / 32768))
+H=$((24 * $RANDOM / 32768))
+sed -i -e "s/@M@/$M/" -e "s/@H@/$H/" %{_sysconfdir}/cron.d/lxc-sliceimage
-- 
2.43.0