add eventscript for http

(This used to be ctdb commit 16cba208b041c2bd8dbf801af89dcbcde486abf2)

ctdb/Makefile.in

@@ -177,6 +177,7 @@ install: all
 	${INSTALLCMD} -m 755 config/events.d/00.ctdb $(DESTDIR)$(etcdir)/ctdb/events.d
 	${INSTALLCMD} -m 755 config/events.d/10.interface $(DESTDIR)$(etcdir)/ctdb/events.d
 	${INSTALLCMD} -m 755 config/events.d/40.vsftpd $(DESTDIR)$(etcdir)/ctdb/events.d
+	${INSTALLCMD} -m 755 config/events.d/41.httpd $(DESTDIR)$(etcdir)/ctdb/events.d
 	${INSTALLCMD} -m 755 config/events.d/50.samba $(DESTDIR)$(etcdir)/ctdb/events.d
 	${INSTALLCMD} -m 755 config/events.d/60.nfs $(DESTDIR)$(etcdir)/ctdb/events.d
 	${INSTALLCMD} -m 755 config/events.d/61.nfstickle $(DESTDIR)$(etcdir)/ctdb/events.d

ctdb/config/ctdb.sysconfig

@@ -42,6 +42,10 @@
 # default is to not manage Samba
 # CTDB_MANAGES_SAMBA=yes
 
+# should ctdb manage starting/stopping the http service for you?
+# default is to not manage http 
+# CTDB_MANAGES_HTTPD=yes
+
 # should ctdb manage starting/stopping Winbind service?
 # if left comented out then it will be autodetected based on smb.conf
 # CTDB_MANAGES_WINBIND=yes

ctdb/config/events.d/41.httpd

@@ -0,0 +1,28 @@
+#!/bin/sh
+# event strict to manage httpd in a cluster environment
+
+. $CTDB_BASE/functions
+loadconfig ctdb
+
+[ "$CTDB_MANAGES_HTTPD" = "yes" ] || exit 0
+
+cmd="$1"
+shift
+
+case $cmd in 
+     startup)
+        service httpd stop > /dev/null 2>&1
+        service httpd start
+        ;;
+
+     shutdown)
+        service httpd stop
+        ;;
+
+     monitor)
+        ctdb_check_tcp_ports "http" 80
+        ;;
+esac
+
+exit 0
+

ctdb/packaging/RPM/ctdb.spec

@@ -97,6 +97,7 @@ fi
 %{_sysconfdir}/ctdb/events.d/00.ctdb
 %{_sysconfdir}/ctdb/events.d/10.interface
 %{_sysconfdir}/ctdb/events.d/40.vsftpd
+%{_sysconfdir}/ctdb/events.d/41.httpd
 %{_sysconfdir}/ctdb/events.d/50.samba
 %{_sysconfdir}/ctdb/events.d/60.nfs
 %{_sysconfdir}/ctdb/events.d/61.nfstickle