añado getopt al control de parametros de entrada

zonemigrate.sh

@@ -1,13 +1,31 @@
 #!/usr/bin/bash
 
-if [ "$#" -ne 2 ]; then
-    echo "Illegal number of parameters"
-    echo "Usage: $0 {UUID} {DESTINYNODE}"
+usage()
+{
+    echo "Usage: $0 -z UUID -h hostname" >&2
     exit 1
-fi
+}
 
-UUID=$1
-NODODESTINO=$2
+while getopts "z:h:" opt;
+do
+    case "$opt" in
+        z)
+            UUID=$OPTARG
+            ;;
+        h)
+            HOSTNAME=$OPTARG
+            ;;
+        *)
+            usage
+            ;;
+    esac
+done
+
+shift $((OPTIND-1))
+
+if [ -z "${UUID}" ] || [ -h "${HOSTNAME}" ]; then
+    usage
+fi
 
 KEYFILE="/usbkey/ssh/id_rsa"
 DESTINYPORT="2221"
@@ -27,9 +45,9 @@ fi
 snapshot()
 {
     zfs snapshot $1@`date +%Y%m%d`
-    zfs send $1@`date +%Y%m%d` | $SSH $NODODESTINO zfs receive $1
+    zfs send $1@`date +%Y%m%d` | $SSH $HOSTNAME zfs receive $1
     zfs snapshot $1@`date +%Y%m%d`.incremental
-    zfs send -i $1@`date +%Y%m%d` $1@`date +%Y%m%d`.incremental | $SSH $NODODESTINO zfs receive $1
+    zfs send -i $1@`date +%Y%m%d` $1@`date +%Y%m%d`.incremental | $SSH $HOSTNAME zfs receive $1
 }
 
 # capturamos el alias que vmadm usa en base64 y que da problemas con el mitico zonecfg
@@ -62,18 +80,18 @@ fi
 echo "exportamos configuracion..."
 
 zonecfg -z ${UUID} export > $CFG/${UUID}.cfg
-$SCP $CFG/${UUID}.cfg $NODODESTINO:$CFG/${UUID}.cfg
+$SCP $CFG/${UUID}.cfg $HOSTNAME:$CFG/${UUID}.cfg
 
 # destino
 echo "enviamos config a destino..."
 
-$SSH $NODODESTINO zonecfg -z ${UUID} < $CFG/${UUID}.cfg
-$SSH $NODODESTINO zoneadm -z ${UUID} attach
-$SSH $NODODESTINO zoneadm -z ${UUID} halt
+$SSH $HOSTNAME zonecfg -z ${UUID} < $CFG/${UUID}.cfg
+$SSH $HOSTNAME zoneadm -z ${UUID} attach
+$SSH $HOSTNAME zoneadm -z ${UUID} halt
 
 # reestablecemos el alias que usa vmadm
 
-$SSH $NODODESTINO vmadm update ${UUID} alias=${ALIAS}
+$SSH $HOSTNAME vmadm update ${UUID} alias=${ALIAS}
 vmadm update ${UUID} alias=${ALIAS}
 
 # detenemos la zona en local
@@ -82,7 +100,7 @@ zoneadm -z ${UUID} halt
 
 # iniciamos la zona en remoto
 
-$SSH $NODODESTINO zoneadm -z ${UUID} boot
+$SSH $HOSTNAME zoneadm -z ${UUID} boot
 
 
 # TODO: