# Spec file for Open vSwitch.

# Copyright (C) 2009, 2010, 2011, 2012 Nicira Networks, Inc.
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.  This file is offered as-is,
# without warranty of any kind.

# When building, the rpmbuild command line should define
# openvswitch_version, kernel_name, kernel_version, kernel_flavor,
# and build_number using -D arguments.
# for example:
#
#    rpmbuild -D "openvswitch_version 1.1.0+build123"
#      -D "kernel_name  NAME-xen"
#      -D "kernel_version 2.6.32.12-0.7.1.xs5.6.100.323.170596"
#      -D "kernel_flavor xen"
#      -D "build_number --with-build-number=123"
#      -bb /usr/src/redhat/SPECS/openvswitch-xen.spec

%if %{?openvswitch_version:0}%{!?openvswitch_version:1}
%define openvswitch_version @VERSION@
%endif

%if %{?kernel_name:0}%{!?kernel_name:1}
%define kernel %(rpm -qa 'kernel*xen-devel' | head -1)
%define kernel_name %(rpm -q --queryformat "%%{Name}" %{kernel} | sed 's/-devel//' | sed 's/kernel-//')
%define kernel_version %(rpm -q --queryformat "%%{Version}-%%{Release}" %{kernel})
%define kernel_flavor xen
%endif

%define xen_version %{kernel_version}%{kernel_flavor}

# bump this when breaking compatibility with userspace
%define module_abi_version 0

# build-supplemental-pack.sh requires this naming for kernel module packages
%define module_package modules-%{kernel_flavor}-%{kernel_version}

Name: openvswitch
Summary: Open vSwitch daemon/database/utilities
Group: System Environment/Daemons
URL: http://www.openvswitch.org/
Vendor: Nicira Networks, Inc.
Version: %{openvswitch_version}

License: ASL 2.0
Release: 1
Source: openvswitch-%{openvswitch_version}.tar.gz
Buildroot: /tmp/openvswitch-xen-rpm
Requires: openvswitch_mod.ko.%{module_abi_version}

%description
Open vSwitch provides standard network bridging functions augmented with
support for the OpenFlow protocol for remote per-flow control of
traffic.

%package %{module_package}
Summary: Open vSwitch kernel module
Group: System Environment/Kernel
License: GPLv2
Provides: %{name}-modules-%{kernel_flavor} = %{kernel_version}, openvswitch_mod.ko.%{module_abi_version}
Requires: kernel-%{kernel_name} = %{kernel_version}

%description %{module_package}
Open vSwitch Linux kernel module compiled against kernel version
%{xen_version}.

%prep
%setup -q -n openvswitch-%{openvswitch_version}

%build
./configure --prefix=/usr --sysconfdir=/etc --localstatedir=%{_localstatedir} --with-linux=/lib/modules/%{xen_version}/build --enable-ssl %{?build_number}
make %{_smp_mflags}

%install
rm -rf $RPM_BUILD_ROOT
make install DESTDIR=$RPM_BUILD_ROOT
install -d -m 755 $RPM_BUILD_ROOT/etc
install -d -m 755 $RPM_BUILD_ROOT/etc/init.d
install -m 755 xenserver/etc_init.d_openvswitch \
         $RPM_BUILD_ROOT/etc/init.d/openvswitch
install -m 755 xenserver/etc_init.d_openvswitch-xapi-update \
         $RPM_BUILD_ROOT/etc/init.d/openvswitch-xapi-update
install -d -m 755 $RPM_BUILD_ROOT/etc/sysconfig
install -d -m 755 $RPM_BUILD_ROOT/etc/logrotate.d
install -m 755 xenserver/etc_logrotate.d_openvswitch \
         $RPM_BUILD_ROOT/etc/logrotate.d/openvswitch
install -d -m 755 $RPM_BUILD_ROOT/etc/profile.d
install -m 755 xenserver/etc_profile.d_openvswitch.sh \
         $RPM_BUILD_ROOT/etc/profile.d/openvswitch.sh
install -d -m 755 $RPM_BUILD_ROOT/etc/xapi.d/plugins
install -m 755 xenserver/etc_xapi.d_plugins_openvswitch-cfg-update \
         $RPM_BUILD_ROOT/etc/xapi.d/plugins/openvswitch-cfg-update
install -d -m 755 $RPM_BUILD_ROOT/usr/share/openvswitch/scripts
install -m 755 xenserver/opt_xensource_libexec_interface-reconfigure \
             $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/interface-reconfigure
install -m 644 xenserver/opt_xensource_libexec_InterfaceReconfigure.py \
             $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/InterfaceReconfigure.py
install -m 644 xenserver/opt_xensource_libexec_InterfaceReconfigureBridge.py \
             $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/InterfaceReconfigureBridge.py
install -m 644 xenserver/opt_xensource_libexec_InterfaceReconfigureVswitch.py \
             $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/InterfaceReconfigureVswitch.py
install -m 755 xenserver/etc_xensource_scripts_vif \
             $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/vif
install -m 755 xenserver/usr_share_openvswitch_scripts_ovs-xapi-sync \
               $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/ovs-xapi-sync
install -m 755 xenserver/usr_share_openvswitch_scripts_sysconfig.template \
         $RPM_BUILD_ROOT/usr/share/openvswitch/scripts/sysconfig.template
install -d -m 755 $RPM_BUILD_ROOT/usr/lib/xsconsole/plugins-base
install -m 644 \
        xenserver/usr_lib_xsconsole_plugins-base_XSFeatureVSwitch.py \
               $RPM_BUILD_ROOT/usr/lib/xsconsole/plugins-base/XSFeatureVSwitch.py

install -d -m 755 $RPM_BUILD_ROOT/lib/modules/%{xen_version}/extra/openvswitch
find datapath/linux -name *.ko -exec install -m 755  \{\} $RPM_BUILD_ROOT/lib/modules/%{xen_version}/extra/openvswitch \;
install python/compat/uuid.py $RPM_BUILD_ROOT/usr/share/openvswitch/python
install python/compat/argparse.py $RPM_BUILD_ROOT/usr/share/openvswitch/python

install -d -m 755 $RPM_BUILD_ROOT/etc/xensource/bugtool
mv $RPM_BUILD_ROOT/usr/share/openvswitch/bugtool-plugins/* $RPM_BUILD_ROOT/etc/xensource/bugtool

# Get rid of stuff we don't want to make RPM happy.
rm \
    $RPM_BUILD_ROOT/usr/bin/ovs-benchmark \
    $RPM_BUILD_ROOT/usr/sbin/ovs-bugtool \
    $RPM_BUILD_ROOT/usr/bin/ovs-controller \
    $RPM_BUILD_ROOT/usr/bin/ovs-pki \
    $RPM_BUILD_ROOT/usr/bin/ovs-test \
    $RPM_BUILD_ROOT/usr/share/man/man8/ovs-test.8 \
    $RPM_BUILD_ROOT/usr/share/man/man1/ovs-benchmark.1 \
    $RPM_BUILD_ROOT/usr/share/man/man8/ovs-bugtool.8 \
    $RPM_BUILD_ROOT/usr/share/man/man8/ovs-controller.8 \
    $RPM_BUILD_ROOT/usr/share/man/man8/ovs-pki.8

install -d -m 755 $RPM_BUILD_ROOT/var/lib/openvswitch

%clean
rm -rf $RPM_BUILD_ROOT

%post
# A list of Citrix XenServer scripts that we might need to replace
# with our own versions.
scripts="
    /etc/xensource/scripts/vif
    /opt/xensource/libexec/InterfaceReconfigure.py
    /opt/xensource/libexec/InterfaceReconfigureBridge.py
    /opt/xensource/libexec/InterfaceReconfigureVswitch.py
    /opt/xensource/libexec/interface-reconfigure"

# Calculate into $md5sums a comma-separated set of md5sums of the
# Citrix XenServer scripts that we might need to replace.  We might be
# upgrading an older version of the package that moved the files out
# of the way, so we need to look for the files in those out-of-the-way
# locations first.
md5sums=
for script in $scripts; do
    b=$(basename "$script")
    if test -e /usr/lib/openvswitch/xs-saved/"$b"; then
        f=/usr/lib/openvswitch/xs-saved/"$b"
    elif test -e /usr/lib/openvswitch/xs-original/"$b"; then
        f=/usr/lib/openvswitch/xs-original/"$b"
    elif test -e "$script" && test ! -h "$script"; then
        f=$script
    else
        printf "\n$script: not found\n"
        f=/dev/null
    fi
    md5sums="$md5sums,$(md5sum $f | awk '{print $1}')"
done
md5sums=${md5sums#,}

# Now check the md5sums against the known sets of md5sums:
#
#   - If they are known to be a version of XenServer scripts that we should
#     replace, we replace them (by putting $scripts into $replace_files).
#
#   - Otherwise, we guess that it's better not to replace them, because the
#     improvements that our versions of the scripts provide are minimal, so
#     it's better to avoid possibly breaking any changes made upstream by
#     Citrix.
case $md5sums in
    cf09a68d9f8b434e79a4c83b01a3bb4b,395866df1b0b20c12c4dd2f7de0ecdb4,9d493545ae81463239d3162cbc798852,862d0939b441de9264a900628e950fe9,21f85db25599d7f026cd489385d58aa6)
        keep_files=
        replace_files=$scripts
        printf "\nVerified host scripts from XenServer 6.0.0.\n"
        ;;
        
    c5f48246577a17cf1b971fb5ce4e920b,2e2c912f86f9c536c89adc34ff3c2b2b,28d3ff72d72bdec4f37d70699f5edb76,67e1d0af16fc1ddf10009c5c063ad2ba,24bae6906d182ba47668174f8e480cc6)
        keep_files=
        replace_files=$scripts
        printf "\nVerified host scripts from XenServer 5.6-FP1.\n"
        ;;

    *)
        keep_files=$scripts
        replace_files=
        cat <<EOF

The host scripts on this machine are not those of any supported
version of XenServer.  On XenServer earlier than 5.6-FP1, your Open
vSwitch installation will not work.  On XenServer 5.6-FP1 or later,
Open vSwitch is not verified to work, which could lead to unexpected
behavior.

EOF
        ;;
esac

if grep -F net.ipv4.conf.all.arp_filter /etc/sysctl.conf >/dev/null 2>&1; then :; else
    cat >>/etc/sysctl.conf <<EOF
# This works around an issue in xhad, which binds to a particular
# Ethernet device, which in turn causes ICMP port unreachable messages
# if packets are received are on the wrong interface, which in turn
# can happen if we send out ARP replies on every interface (as Linux
# does by default) instead of just on the interface that has the IP
# address being ARPed for, which this sysctl setting in turn works
# around.
#
# Bug #1378.
net.ipv4.conf.all.arp_filter = 1
EOF
fi

if test ! -e /etc/openvswitch/conf.db; then
    install -d -m 755 -o root -g root /etc/openvswitch

    # Create ovs-vswitchd config database
    ovsdb-tool -vANY:console:off create /etc/openvswitch/conf.db \
            /usr/share/openvswitch/vswitch.ovsschema

    # Create initial table in config database
    ovsdb-tool -vANY:console:off transact /etc/openvswitch/conf.db \
            '[{"op": "insert", "table": "Open_vSwitch", "row": {}}]' \
            > /dev/null
fi

# Create default or update existing /etc/sysconfig/openvswitch.
SYSCONFIG=/etc/sysconfig/openvswitch
TEMPLATE=/usr/share/openvswitch/scripts/sysconfig.template
if [ ! -e $SYSCONFIG ]; then
    cp $TEMPLATE $SYSCONFIG
else
    for var in $(awk -F'[ :]' '/^# [_A-Z0-9]+:/{print $2}' $TEMPLATE)
    do
        if ! grep $var $SYSCONFIG >/dev/null 2>&1; then
            echo >> $SYSCONFIG
            sed -n "/$var:/,/$var=/p" $TEMPLATE >> $SYSCONFIG
        fi
    done
fi

# Deliberately break %postun in broken OVS builds that revert original
# XenServer scripts during rpm -U by moving the directory where it thinks
# they are saved.
if [ -d /usr/lib/openvswitch/xs-original ]; then
    mkdir -p /usr/lib/openvswitch/xs-saved
    mv /usr/lib/openvswitch/xs-original/* /usr/lib/openvswitch/xs-saved/ &&
        rmdir /usr/lib/openvswitch/xs-original
fi

# Replace XenServer files by our versions.
mkdir -p /usr/lib/openvswitch/xs-saved \
    || printf "Could not create script backup directory.\n"
for f in $replace_files; do
    s=$(basename "$f")
    t=$(readlink "$f")
    if [ -f "$f" ] && [ "$t" != "/usr/share/openvswitch/scripts/$s" ]; then
        mv "$f" /usr/lib/openvswitch/xs-saved/ \
            || printf "Could not save original XenServer $s script\n"
        ln -s "/usr/share/openvswitch/scripts/$s" "$f" \
            || printf "Could not link to Open vSwitch $s script\n"
    fi
done

# Clean up dangling symlinks to removed OVS replacement scripts no longer
# provided by OVS. Any time a replacement script is removed from OVS,
# it should be added here to ensure correct reversion from old versions of
# OVS that don't clean up dangling symlinks during the uninstall phase.
for orig in /usr/sbin/brctl /usr/sbin/xen-bugtool $keep_files; do
    saved=/usr/lib/openvswitch/xs-saved/$(basename "$orig")
    [ -e "$saved" ] && mv -f "$saved" "$orig"
done

# Ensure all required services are set to run
for s in openvswitch openvswitch-xapi-update; do
    if chkconfig --list $s >/dev/null 2>&1; then
        chkconfig --del $s || printf "Could not remove $s init script."
    fi
    chkconfig --add $s || printf "Could not add $s init script."
    chkconfig $s on || printf "Could not enable $s init script."
done

if [ "$1" = "1" ]; then    # $1 = 1 for install
    # Configure system to use Open vSwitch
    /opt/xensource/bin/xe-switch-network-backend vswitch
else    # $1 = 2 for upgrade

    mode=$(cat /etc/xensource/network.conf)
    if [ "$mode" != "vswitch" ] && [ "$mode" != "openvswitch" ]; then
        printf "\nThe server is not configured to run Open vSwitch.  To run in\n"
        printf "vswitch mode, you must run the following command:\n\n"
        printf "\txe-switch-network-backend vswitch"
    else
        printf "\nTo use the new Open vSwitch install, you should reboot the\n"
        printf "server now.  Failure to do so may result in incorrect operation."
    fi

    printf "\n\n"
fi

%posttrans %{module_package}
# Ensure that modprobe will find our modules.
#
# This has to be in %posttrans instead of %post because older versions
# installed modules into a different directory and "rpm -U" runs the
# new version's %post before removing the old version's files, so if
# we use %post then depmod may find the old versions that are about to
# be removed.
depmod %{xen_version}

%preun
if [ "$1" = "0" ]; then     # $1 = 0 for uninstall
    # Configure system to use bridge
    /opt/xensource/bin/xe-switch-network-backend bridge

    # The "openvswitch" service should have been removed from
    # "xe-switch-network-backend bridge".
    for s in openvswitch openvswitch-xapi-update; do
        if chkconfig --list $s >/dev/null 2>&1; then
            chkconfig --del $s || printf "Could not remove $s init script."
        fi
    done
fi

%postun
# Restore original XenServer scripts if the OVS equivalent no longer exists.
# This works both in the upgrade and erase cases.
# This lists every file that every version of OVS has ever replaced. Never
# remove old files that OVS no longer replaces, or upgrades from old versions
# will fail to restore the XS originals, leaving the system in a broken state.
# Also be sure to add removed script paths to the %post scriptlet above to
# prevent the same problem when upgrading from old versions of OVS that lack
# this restore-on-upgrade logic.
for f in \
    /etc/xensource/scripts/vif \
    /usr/sbin/brctl \
    /usr/sbin/xen-bugtool \
    /opt/xensource/libexec/interface-reconfigure \
    /opt/xensource/libexec/InterfaceReconfigure.py \
    /opt/xensource/libexec/InterfaceReconfigureBridge.py \
    /opt/xensource/libexec/InterfaceReconfigureVswitch.py
do
    # Only revert dangling symlinks.
    if [ -h "$f" ] && [ ! -e "$f" ]; then
        s=$(basename "$f")
        if [ ! -f "/usr/lib/openvswitch/xs-saved/$s" ]; then
            printf "Original XenServer $s script not present in /usr/lib/openvswitch/xs-saved\n" >&2
            printf "Could not restore original XenServer script.\n" >&2
        else
            (rm -f "$f" \
                && mv "/usr/lib/openvswitch/xs-saved/$s" "$f") \
                || printf "Could not restore original XenServer $s script.\n" >&2
        fi
    fi
done

if [ "$1" = "0" ]; then     # $1 = 0 for uninstall
    rm -f /usr/lib/xsconsole/plugins-base/XSFeatureVSwitch.pyc \
        /usr/lib/xsconsole/plugins-base/XSFeatureVSwitch.pyo

    rm -f /usr/share/openvswitch/scripts/InterfaceReconfigure.pyc \
        /usr/share/openvswitch/scripts/InterfaceReconfigure.pyo \
        /usr/share/openvswitch/scripts/InterfaceReconfigureBridge.pyc \
        /usr/share/openvswitch/scripts/InterfaceReconfigureBridge.pyo \
        /usr/share/openvswitch/scripts/InterfaceReconfigureVSwitch.pyc \
        /usr/share/openvswitch/scripts/InterfaceReconfigureVSwitch.pyo

    # Remove all configuration files
    rm -f /etc/openvswitch/conf.db
    rm -f /etc/sysconfig/openvswitch
    rm -f /etc/openvswitch/vswitchd.cacert

    # Remove saved XenServer scripts directory, but only if it's empty
    rmdir -p /usr/lib/openvswitch/xs-saved 2>/dev/null
fi

exit 0

%files
%defattr(-,root,root)
/etc/init.d/openvswitch
/etc/init.d/openvswitch-xapi-update
/etc/xapi.d/plugins/openvswitch-cfg-update
/etc/xensource/bugtool/*
/etc/logrotate.d/openvswitch
/etc/profile.d/openvswitch.sh
/usr/share/openvswitch/python/
/usr/share/openvswitch/scripts/ovs-xapi-sync
/usr/share/openvswitch/scripts/interface-reconfigure
/usr/share/openvswitch/scripts/InterfaceReconfigure.py
/usr/share/openvswitch/scripts/InterfaceReconfigureBridge.py
/usr/share/openvswitch/scripts/InterfaceReconfigureVswitch.py
/usr/share/openvswitch/scripts/vif
/usr/share/openvswitch/scripts/sysconfig.template
/usr/share/openvswitch/scripts/ovs-bugtool-*
/usr/share/openvswitch/scripts/ovs-save
/usr/share/openvswitch/scripts/ovs-ctl
/usr/share/openvswitch/scripts/ovs-lib
/usr/share/openvswitch/vswitch.ovsschema
/usr/sbin/ovs-vlan-bug-workaround
/usr/sbin/ovs-vswitchd
/usr/sbin/ovsdb-server
/usr/bin/ovs-appctl
/usr/bin/ovs-dpctl
/usr/bin/ovs-ofctl
/usr/bin/ovs-parse-leaks
/usr/bin/ovs-pcap
/usr/bin/ovs-tcpundump
/usr/bin/ovs-vlan-test
/usr/bin/ovs-vsctl
/usr/bin/ovsdb-client
/usr/bin/ovsdb-tool
/usr/lib/xsconsole/plugins-base/XSFeatureVSwitch.py
/usr/share/man/man1/ovsdb-client.1.gz
/usr/share/man/man1/ovsdb-server.1.gz
/usr/share/man/man1/ovsdb-tool.1.gz
/usr/share/man/man5/ovs-vswitchd.conf.db.5.gz
/usr/share/man/man8/ovs-appctl.8.gz
/usr/share/man/man8/ovs-ctl.8.gz
/usr/share/man/man8/ovs-dpctl.8.gz
/usr/share/man/man8/ovs-ofctl.8.gz
/usr/share/man/man8/ovs-parse-leaks.8.gz
/usr/share/man/man1/ovs-pcap.1.gz
/usr/share/man/man1/ovs-tcpundump.1.gz
/usr/share/man/man8/ovs-vlan-bug-workaround.8.gz
/usr/share/man/man8/ovs-vlan-test.8.gz
/usr/share/man/man8/ovs-vsctl.8.gz
/usr/share/man/man8/ovs-vswitchd.8.gz
/var/lib/openvswitch
%exclude /usr/lib/xsconsole/plugins-base/*.py[co]
%exclude /usr/sbin/ovs-brcompatd
%exclude /usr/share/man/man8/ovs-brcompatd.8.gz
%exclude /usr/share/openvswitch/scripts/*.py[co]
%exclude /usr/share/openvswitch/python/*.py[co]
%exclude /usr/share/openvswitch/python/ovs/*.py[co]
%exclude /usr/share/openvswitch/python/ovs/db/*.py[co]

%files %{module_package}
/lib/modules/%{xen_version}/extra/openvswitch/openvswitch_mod.ko
%exclude /lib/modules/%{xen_version}/extra/openvswitch/brcompat_mod.ko