Simplification of glusterupdate.sh

gluster/update/glusterupdate.sh

@@ -3,89 +3,35 @@
 host="snail lin-test cellar windsor nun lav vbox asu multi space1 localhost"
 client="euclid atlant grape"
 
-gfs_query(){
+run_on_hosts(){
 for i in $host
 do
   echo $i
-  ssh $i 'bash -s' <<< "epm -q glusterfs3-server"
+  ssh $i 'bash -s' <<< "$@"
   done
 }
 
-gfs_policy(){
-for i in $host
-do
-  echo $i
-  ssh $i 'bash -s' <<< "apt-get update; apt-get policy glusterfs3-server"
-  done
-}
-
-gfs_install(){
-for i in $host
+run_on_clients(){
+for i in $client
 do
   echo $i
-  ssh $i 'bash -s' <<< "epmi glusterfs3-server"
+  ssh $i 'bash -s' <<< "$@"
   done
 }
 
 gfs_stop(){
-for i in $host
-do
-  echo $i
-  ssh $i 'bash -s' <<< "umount /var/ftp/*; killall glusterfs"
-done
-
-for i in $host
-do
-  echo $i
-  ssh $i 'bash -s' <<< "monit stop glusterd"
-done
-
-for i in $host
-do
-  echo $i
-  ssh $i 'bash -s' <<< "killall glusterd"
-done
-
-for i in $host
-do
-  echo $i
-  ssh $i 'bash -s' <<< "killall glusterfsd"
-done
+  run_on_hosts umount /var/ftp/*; killall glusterfs
+  run_on_hosts monit stop glusterd
+  run_on_hosts killall glusterd
+  run_on_hosts killall glusterfsd
 }
 
 gfs_start(){
-for i in $host
-do
-  echo $i
-  ssh $i 'bash -s' <<< "monit start glusterd"
-done
-
-sleep 5
-
-for i in $host
-do
-  echo $i
-  ssh $i 'bash -s' <<< "service glusterd start"
-done
-}
-
-gfs_mount(){
-for i in $host
-do
-  echo $i
-  ssh $i 'bash -s' <<< "mount -a"
-done
+  run_on_hosts monit start glusterd
+  sleep 5
+  run_on_hosts service glusterd start
 }
 
-gfs_client(){
-for i in $client
-do
-  echo $i
-  ssh $i 'bash -s' <<< "umount /var/ftp/*; killall glusterfs; epmi glusterfs3-client; mount /var/ftp/*"
-done
-}
-
-
 gfs_mount_plus(){
   echo 'Remount /var/ftp/* at cellar:'
   ssh cellar 'bash -s' <<< "/root/bin/remount.sh /var/ftp/pub; /root/bin/remount.sh /var/ftp/pvt; /root/bin/remount.sh /var/ftp/tmp"
@@ -102,20 +48,26 @@ gfs_mount_plus(){
 
 case $1 in
 	all)
-		gfs_install
+		run_on_hosts epmi glusterfs3-server
 		gfs_stop
 		gfs_start
-		gfs_mount
+		run_on_hosts mount -a
+		run_on_clients umount /var/ftp/*; killall glusterfs; epmi glusterfs3-client; mount /var/ftp/*
+		gfs_mount_plus
+		exit 0
+		;;
+	simulate)
+		run_on_hosts epm simulate glusterfs3-server
 		exit 0
 		;;
 	install)
-		gfs_install
+		run_on_hosts epmi glusterfs3-server
 		exit 0
 		;;
 	noinstall)
 		gfs_stop
 		gfs_start
-		gfs_mount
+		run_on_hosts mount -a
 		exit 0
 		;;
 	stop)
@@ -124,11 +76,11 @@ case $1 in
 		;;
 	start)
 		gfs_start
-		gfs_mount
+		run_on_hosts mount -a
 		exit 0
 		;;
 	mount)
-		gfs_mount
+		run_on_hosts mount -a
 		exit 0
 		;;
 	mount_plus)
@@ -136,18 +88,18 @@ case $1 in
 		exit 0
 		;;
 	query)
-		gfs_query
+		run_on_hosts epm -q glusterfs3-server
 		exit 0
 		;;
 	policy)
-		gfs_policy
+		run_on_hosts apt-get update; apt-get policy glusterfs3-server
 		exit 0
 		;;
 	client)
-		gfs_client
+		run_on_clients umount /var/ftp/*; killall glusterfs; epmi glusterfs3-client; mount /var/ftp/*
 		exit 0
 		;;
 	*)
-		echo 'One word is needed as arg: query, policy, start, stop, mount, install, noinstall, all. Try again...'
+		echo 'One word is needed as arg: query, simulate, policy, start, stop, mount, install, noinstall, all. Try again...'
 		;;
 esac