get_number_of_deferred_mailqueue.sh: add support for configuration file.

conf/get_number_of_deferred_mailqueue.conf.sample

@@ -0,0 +1,25 @@
+# ----------------------------------------------------
+# ---
+# - Parameter Settings for script 'get_number_of_deferred_mailqueue.sh'.
+# ---
+# ----------------------------------------------------
+
+# -   notification_addresses
+# -
+# - Where to send notifications
+# -
+# - Defaults to argus@oopen.de
+# -
+#notification_addresses="argus@oopen.de"
+
+
+# - count_warn
+# -
+# - If number of deferred e-mails exceeds give parameter 'count_warn'
+# - an e-mail will be written to adresse(s) given at parameter
+# - 'notification_addresses'.
+# -
+# - Defaults to 100
+# -
+#count_warn=100
+

get_number_of_deferred_mailqueue.sh

@@ -1,9 +1,14 @@
 #!/usr/bin/env bash
 
-declare -i count_warn
+script_name="$(basename $(realpath $0))"
-declare -i count_warn_default=100
+working_dir="$(dirname $(realpath $0))"
 
-notification_addresses="ckubu-adm@oopen.de"
+conf_file="${working_dir}/conf/${script_name%%.*}.conf"
+
+
+# ----------
+# - Some variables
+# ----------
 
 host_name=`hostname -f`
 from_address="postfix@$host_name"
@@ -11,12 +16,37 @@ content_type='Content-Type: text/plain;\n charset="utf-8"'
 
 postfix_queue_dir=/var/spool/postfix
 
+declare -i count_warn
 
-if [[ $1 =~ ^-?[0-9]+$ ]];then
+default_notification_addresses="argus@so36.net"
-   count_warn=$1
+declare -i default_count_warn=100
-else
+
-   count_warn=$count_warn_default
+
-fi
+# ----------
+# Base Function(s)
+# ----------
+
+info (){
+   if $terminal ; then
+      echo ""
+      echo -e "   [ \033[32m\033[1mInfo\033[m ]: $*"
+      echo ""
+   fi
+}
+
+warn (){
+   if $terminal ; then
+   	echo ""
+      echo -e "   [ \033[33m\033[1mWarn\033[m ]  $*"
+   	echo ""
+   fi
+}
+
+
+
+# ----------
+# - Some checks ..
+# ----------
 
 if [[ -t 1 ]] ; then
    terminal=true
@@ -24,6 +54,31 @@ else
    terminal=false
 fi
 
+# ----------
+#  Read Configurations from $conf_file
+# ----------
+
+
+# - Give your default values here
+# -
+
+if [[ -f "$conf_file" ]]; then
+   source "$conf_file"
+else
+   warn "No configuration file '$conf_file' present.\n
+             Loading default values.."
+fi
+
+# - Commandline parameter overwrites those given at configuration file
+# -
+if [[ $1 =~ ^-?[0-9]+$ ]];then
+   count_warn=$1
+fi
+
+[[ -n "$notification_addresses" ]] || notification_addresses="$default_notification_addresses"
+[[ -n "$count_warn" ]] || count_warn=$default_count_warn
+
+
 
 
 ## - Get number of "deferred" mails in postfix queue
@@ -84,18 +139,15 @@ if [[ $count -gt $count_warn ]]; then
    
 fi
 
+info "$count messages in postfix deferred queue"
+
 if $terminal ; then
    echo ""
-   #echo "*${host_name}* - $(date +"%d.%m.%Y %H:%M h")"
+   echo -e "   \033[1mRecipient domain and time (age in minutes)\033[m:"
-   echo ""
-   echo "[ Info ]: $count messages in postfix deferred queue"
-   echo ""
-   echo ""
-   echo "Recipient domain and time (age in minutes):"
    echo "$(qshape deferred)"
    echo ""
    echo ""
-   echo "Sender domain and time (age in minutes):"
+   echo -e "   \033[1mSender domain and time (age in minutes)\033[m:"
    echo "$(qshape -s deferred)"
    echo ""
 fi