Resolves merge request 6

bootstrap.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 #
 # Collection of reusable functions and variables
-# 
+#
 
 TODAY=`date`
 HOSTNAME=`hostname`
@@ -19,6 +19,37 @@ function err
 	exit 1
 }
 
+function warn
+{
+	echo -e "WARNING: $1"
+}
+
+function validate_host
+{
+    echo "$1" | grep -P '^(http|https):\/\/(([a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])\.)*([a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])(:[0-9]+)?$'
+    if [ $? -eq 0 ]; then
+        curl $1 > /dev/null 2>&1
+    fi
+    return $?
+}
+
+function validate_ip
+{
+    local  ip=$1
+    local  stat=1
+
+    if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
+        OIFS=$IFS
+        IFS='.'
+        ip=($ip)
+        IFS=$OIFS
+        [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \
+        && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
+        stat=$?
+    fi
+    return $stat
+}
+
 function send_notification
 {
 	opt=""
@@ -26,7 +57,7 @@ function send_notification
 		local mailcmd=$(readlink -f `which mail`)
 		if [ "${mailcmd}" = "/usr/bin/bsd-mailx" ]; then
 			opt="-a 'From: ${FROM}'"
-		else		
+		else
 			opt="-r $FROM"
 		fi
 	fi
@@ -37,20 +68,20 @@ function send_notification
 
 function check_values
 {
-	
+
 	a_name=$1[@]
 	a_array=("${!a_name}")
 	if [ -z ${!a_name+x} ]; then
 		return
 	fi
-	
+
 	if [ ${a_array[$2]} == true ]; then
 		if [ "x${4}" = 'x' ]; then
         	echo $3
 			exit 1
 		fi
 	fi
-        
+
 }
 
 function run_cmd {
@@ -67,7 +98,7 @@ function run_cmd {
 	## Check if debug is set and send command output to shell
 	## Some commands send animated text that can corrupt the log
 	if test -n "${DEBUG}"; then
-		debug "DEBUG variable set, redirecting command output to console" 
+		debug "DEBUG variable set, redirecting command output to console"
 		$1 $2
 		if [ $? -gt 0 ]; then
             err "Failed running command '$1 $2'"
@@ -85,5 +116,5 @@ function run_cmd {
         fi
 	fi
 
-	
+
 }