236 lines
5.3 KiB
Django/Jinja
236 lines
5.3 KiB
Django/Jinja
#!/bin/sh
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{#-
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# Copyright 2015 Rackspace.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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# Inspired by https://gist.github.com/gfrey/8472007
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#}
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### BEGIN INIT INFO
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# Provides: octavia-amp-{{ haproxy_pid }}
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# Required-Start: $local_fs $network
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# Required-Stop: $local_fs
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: fast and reliable load balancing reverse proxy
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# Description: This file should be used to start and stop haproxy.
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### END INIT INFO
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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PIDFILE={{ haproxy_pid }}
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CONFIG={{ haproxy_cfg }}
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HAPROXY={{ haproxy_cmd }}
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USER_GROUP_CONF_PATH={{ haproxy_user_group_cfg }}
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EXTRAOPTS=
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ENABLED=1
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test -x $HAPROXY || exit 0
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test -f "$CONFIG" -f "$USER_GROUP_CONF_PATH" || exit 0
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if [ -e /etc/default/haproxy ]; then
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. /etc/default/haproxy
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fi
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test "$ENABLED" != "0" || exit 0
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[ -f /etc/default/rcS ] && . /etc/default/rcS
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. /lib/lsb/init-functions
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HAPROXY="ip netns exec {{ amphora_nsname }} $HAPROXY"
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haproxy_start()
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{
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# Re-add the namespace
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ip netns add {{ amphora_nsname }} || true
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# Load the system sysctl into the new namespace
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ip netns exec {{ amphora_nsname }} sysctl --system || true
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# We need the plugged_interfaces file sorted to join the host interfaces
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sort -k 1 /var/lib/octavia/plugged_interfaces > /var/lib/octavia/plugged_interfaces.sorted || true
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# Assign the interfaces into the namespace with the appropriate name
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ip link | awk '{getline n; print $0,n}' | awk '{sub(":","",$2)} { for(i=1;i<=NF;i++) if ($i == "link/ether") {print $(i+1) " " $2} }' | sort -k 1 | join -j 1 - /var/lib/octavia/plugged_interfaces.sorted | awk '{system("ip link set "$2" netns {{ amphora_nsname }} name "$3"")}' || true
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# Bring up all of the namespace interfaces
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{%- if HasIFUPAll %}
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ip netns exec {{ amphora_nsname }} ifup -a || true
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{%- else %}
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awk '{system("/sbin/ip netns exec amphora-haproxy ifup " $2)}' /var/lib/octavia/plugged_interfaces || true
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{%- endif %}
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start-stop-daemon --start --pidfile "$PIDFILE" \
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--exec $HAPROXY -- -f "$CONFIG" -f "$USER_GROUP_CONF_PATH" -D -p "$PIDFILE" \
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$EXTRAOPTS || return 2
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return 0
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}
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haproxy_stop()
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{
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if [ ! -f $PIDFILE ] ; then
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# This is a success according to LSB
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return 0
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fi
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for pid in $(cat $PIDFILE) ; do
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/bin/kill $pid || return 4
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done
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rm -f $PIDFILE
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return 0
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}
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haproxy_reload()
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{
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$HAPROXY -f "$CONFIG" -f "$USER_GROUP_CONF_PATH" -p $PIDFILE -D $EXTRAOPTS -sf $(cat $PIDFILE) \
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|| return 2
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return 0
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}
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haproxy_checkconf()
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{
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rcode=0
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$HAPROXY -c -f "$CONFIG" -f "$USER_GROUP_CONF_PATH"
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if [ $? -ne 0 ]; then
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rcode=1
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fi
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return $rcode
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}
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haproxy_status()
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{
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if [ ! -f $PIDFILE ] ; then
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# program not running
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return 3
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fi
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for pid in $(cat $PIDFILE) ; do
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if ! ps --no-headers p "$pid" | grep haproxy > /dev/null ; then
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# program running, bogus pidfile
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return 1
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fi
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done
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return 0
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}
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case "$1" in
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checkconf)
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haproxy_checkconf
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exit $?
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;;
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start)
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log_daemon_msg "Starting haproxy" "haproxy"
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haproxy_start
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ret=$?
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case "$ret" in
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0)
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log_end_msg 0
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;;
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1)
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log_end_msg 1
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echo "pid file '$PIDFILE' found, haproxy not started."
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;;
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2)
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log_end_msg 1
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;;
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esac
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exit $ret
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;;
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stop)
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log_daemon_msg "Stopping haproxy" "haproxy"
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haproxy_stop
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ret=$?
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case "$ret" in
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0|1)
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log_end_msg 0
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;;
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2)
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log_end_msg 1
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;;
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esac
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exit $ret
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;;
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reload|force-reload)
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echo "Checking HAProxy configuration first"
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haproxy_checkconf
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case "$?" in
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0)
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echo "Everything looks fine"
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;;
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1)
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echo "Errors..."
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exit 1
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;;
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esac
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log_daemon_msg "Reloading haproxy" "haproxy"
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haproxy_reload
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case "$?" in
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0|1)
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log_end_msg 0
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;;
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2)
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log_end_msg 1
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;;
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esac
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;;
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restart)
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echo "Checking HAProxy configuration first"
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haproxy_checkconf
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case "$?" in
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0)
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echo "Everything looks fine"
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;;
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1)
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echo "Errors..."
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exit 1
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;;
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esac
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log_daemon_msg "Restarting haproxy" "haproxy"
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haproxy_stop
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haproxy_start
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case "$?" in
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0)
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log_end_msg 0
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;;
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1)
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log_end_msg 1
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;;
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2)
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log_end_msg 1
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;;
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esac
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;;
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status)
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haproxy_status
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ret=$?
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case "$ret" in
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0)
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echo "haproxy is running."
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;;
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1)
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echo "haproxy dead, but $PIDFILE exists."
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;;
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*)
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echo "haproxy not running."
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;;
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esac
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exit $ret
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;;
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*)
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echo "Usage: /etc/init.d/haproxy {start|stop|reload|restart|status|checkconf}"
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exit 2
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;;
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esac
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:
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