script improvement

bin/container/domainctl.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+CK_RESULT=''
+HTTPD_CONF='httpd_config.conf'
+
+help_message(){
+    echo 'Command [-add|-del] [domain_name]'
+    echo 'Example 1: domain-ctl.sh -add example.com'
+    echo 'Example 2: domain-ctl.sh -del example.com'
+}
+
+dot_escape(){
+    ESCAPE=$(echo ${1} | sed 's/\./\\./g')
+}  
+
+check_duplicate(){
+    CK_RESULT=$(grep -E "${1}" ${2})
+}
+
+fst_match_line(){
+    FIRST_LINE_NUM=$(grep -n -m 1 ${1} ${2} | awk -F ':' '{print $1}')
+}
+fst_match_after(){
+    FIRST_NUM_AFTER=$(tail -n +${1} ${2} | grep -n -m 1 ${3} | awk -F ':' '{print $1}')
+}
+lst_match_line(){
+    fst_match_after ${1} ${2} '}'
+    LAST_LINE_NUM=$((${FIRST_LINE_NUM}+${FIRST_NUM_AFTER}-1))
+}    
+
+add_domain(){
+    dot_escape ${1}
+    DOMAIN=${ESCAPE}
+    check_duplicate "member.*${DOMAIN}" ${HTTPD_CONF}
+    if [ "${CK_RESULT}" != '' ]; then
+        echo "# It appears the domain already exist! Check the ${HTTPD_CONF} if you believe this is a mistake!"
+        exit 1
+    else
+        perl -0777 -p -i -e 's/(vhTemplate centralConfigLog \{[^}]+)\}*(^.*listeners.*$)/\1$2
+  member '${1}' {
+    vhDomain              '${1}'
+  }/gmi' ${HTTPD_CONF}     
+    fi
+}
+
+del_domain(){
+    dot_escape ${1}
+    DOMAIN=${ESCAPE}
+    check_duplicate "member.*${DOMAIN}" ${HTTPD_CONF}
+    if [ "${CK_RESULT}" = '' ]; then
+        echo "# We couldn't find the domain you wanted to remove! Check the ${HTTPD_CONF} if you believe this is a mistake!"
+        exit 1
+    else
+        fst_match_line ${1} ${HTTPD_CONF}
+        lst_match_line ${FIRST_LINE_NUM} ${HTTPD_CONF}
+        sed -i "${FIRST_LINE_NUM},${LAST_LINE_NUM}d" ${HTTPD_CONF}
+    fi
+}
+
+while [ ! -z "${1}" ]; do
+    case ${1} in
+        -[hH] | -help | --help)
+            help_message
+            ;;
+        -add | -a | -A) shift
+            add_domain ${1}
+            ;;
+        -del | -d | -D | -delete) shift
+            del_domain ${1}
+            ;;          
+        *) 
+            help_message
+            ;;              
+    esac
+    shift
+done