check_local_webservice.sh: add parameter 'CONFLICTING_SCRIPTS' - don't run this script if anny given conflicting scripts are running.

check_local_webservice.sh

@@ -11,68 +11,6 @@ RESTART_CHECK_FILE="/tmp/${script_name%%.*}.NEED-RESTART"
 
 declare -a alert_email_arr
 
-# -------------
-# --- Read Configurations from $conf_file
-# -------------
-
-# Some default values
-#
-DEFAULT_NUMBER_LINES=20
-DEFAULT_TIME_OUT=20
-
-if [[ ! -f "$conf_file" ]]; then
-   echo ""
-   echo -e "   [ Fatal ] Configuration file '$(basename ${conf_file})' not found!"
-   echo ""
-   echo -e "\tScript terminated.."
-   echo ""
-   exit 1
-else
-   source "$conf_file"
-fi
-
-for _email in $alert_email_addresses ; do
-   alert_email_arr+=("$_email")
-done
-
-[[ -n "$sender_address" ]] || sender_address="check_local_webservice@$(hostname -f)"
-[[ -n "$content_type" ]] || content_type='Content-Type: text/plain;\n charset="utf-8"'
-
-[[ -n "$TIME_OUT" ]] || TIME_OUT=$DEFAULT_TIME_OUT
-TIME_OUT_MAX="$(expr ${TIME_OUT} + 5)"
-
-
-# -------------
-# - Job is already running?
-# -------------
-
-# - If job already runs, stop execution..
-# -
-if mkdir "$LOCK_DIR" 2> /dev/null ; then
-
-   ## - Remove lockdir when the script finishes, or when it receives a signal
-   trap clean_up SIGHUP SIGINT SIGTERM
-
-else
-
-   datum="$(date +"%d.%m.%Y %H:%M")"
-
-   msg="[ Error ]: A previos instance of \"`basename $0`\" seems already be running.\n\n           Exiting now.."
-
-   echo ""
-   echo "[ Error ]: A previos instance of that script \"`basename $0`\" seems already be running."
-   echo ""
-   echo -e "           Exiting now.."
-   echo ""
-
-   for _email in ${alert_email_arr[@]} ; do
-      echo -e "To:${_email}\n${content_type}\nSubject:Error cronjob `basename $0` -- $datum\n${msg}\n" \
-         | sendmail -F "Error `hostname -f`" -f $sender_address $_email
-   done
-
-   exit 1
-
-fi
 
 
 # -------------
@@ -185,21 +123,128 @@ is_number() {
 
 reboot_system() {
 
-   content_type='Content-Type: text/plain;\n charset="utf-8"'
+#   content_type='Content-Type: text/plain;\n charset="utf-8"'
-   datum="$(date +"%d.%m.%Y")"
+#   datum="$(date +"%d.%m.%Y")"
-   from_address="root@$(hostname --long)"
+#   from_address="root@$(hostname --long)"
+#   msg="S*"
+# 
+# 
+#   for _email in ${alert_email_arr[@]} ; do
+#
+#      echo -e "To:${_email}\n${content_type}\nSubject:[Fatal: Local Webservice NOT rsponding] - Reboot System\n${msg}" \
+#         | sendmail -F "Error `hostname -f`" -f $sender_address $_email
+#   done
 
+   sleep 10
+   /sbin/reboot -f > /dev/null 2>&1
+
+}
+
+# -------------
+# --- Read Configurations from $conf_file
+# -------------
+
+# Some default values
+#
+DEFAULT_NUMBER_LINES=20
+DEFAULT_TIME_OUT=20
+
+DEFAULT_CONFLICTING_SCRIPTS="/root/bin/monitoring/check_webservice_load.sh"
+
+if [[ ! -f "$conf_file" ]]; then
+   echo ""
+   echo -e "   [ Fatal ] Configuration file '$(basename ${conf_file})' not found!"
+   echo ""
+   echo -e "\tScript terminated.."
+   echo ""
+   exit 1
+else
+   source "$conf_file"
+fi
+
+for _email in $alert_email_addresses ; do
+   alert_email_arr+=("$_email")
+done
+
+[[ -n "$sender_address" ]] || sender_address="check_local_webservice@$(hostname -f)"
+[[ -n "$content_type" ]] || content_type='Content-Type: text/plain;\n charset="utf-8"'
+
+[[ -n "$TIME_OUT" ]] || TIME_OUT=$DEFAULT_TIME_OUT
+TIME_OUT_MAX="$(expr ${TIME_OUT} + 5)"
+
+[[ -n "$CONFLICTING_SCRIPTS" ]] || CONFLICTING_SCRIPTS="$DEFAULT_CONFLICTING_SCRIPTS"
+
+
+# -------------
+# - Job is already running?
+# -------------
+
+# - If job already runs, stop execution..
+# -
+if mkdir "$LOCK_DIR" 2> /dev/null ; then
+
+   ## - Remove lockdir when the script finishes, or when it receives a signal
+   trap clean_up SIGHUP SIGINT SIGTERM
+
+else
+
+   datum="$(date +"%d.%m.%Y %H:%M")"
+
+   msg="[ Error ]: A previos instance of \"`basename $0`\" seems already be running.\n\n           Exiting now.."
+
+   echo ""
+   echo "[ Error ]: A previos instance of that script \"`basename $0`\" seems already be running."
+   echo ""
+   echo -e "           Exiting now.."
+   echo ""
 
    for _email in ${alert_email_arr[@]} ; do
-
+      echo -e "To:${_email}\n${content_type}\nSubject:Error cronjob `basename $0` -- $datum\n${msg}\n" \
-      echo -e "To:${_email}\n${content_type}\nSubject:[Fatal: Local Webservice NOT rsponding] - Reboot System\n$*" \
          | sendmail -F "Error `hostname -f`" -f $sender_address $_email
    done
 
-   sleep 10
+   exit 1
-   /sbin/reboot -f
 
-}
+fi
+
+
+# - Stop here, if these give scripts are running
+# -
+if [[ ${#CONFLICTING_SCRIPTS} -gt 0 ]] ; then
+
+   _stop_running=false
+   for _val in $CONFLICTING_SCRIPTS ; do
+
+      IFS=':' read -a _val_arr <<< "${_val}"
+
+      _script_name="$(basename ${_val_arr[0]})"
+
+      if [[ -n "${_val_arr[1]}" ]] && [[ -d "${_val_arr[1]}" ]] ; then
+         _stop_running=true
+      else
+
+         check_string_ps="${_val_arr[0]}"
+
+         if ps -e f | grep -E "\s+${check_string_ps}" | grep -v grep | grep -v -E "\s+vim\s+" > /dev/null ; then
+            _stop_running=true
+         fi
+      fi
+
+      if $_stop_running ; then
+
+         echo ""
+         echo "[ Error ]: The \"${_script_name}\" script is currently running, but it conflicts with this script."
+         echo ""
+         echo "           Exiting now.."
+         echo ""
+
+         clean_up 1
+
+      fi
+
+      
+   done
+fi
 
 
 
@@ -364,17 +409,24 @@ else
       err_msg="${err_msg}              ${_site}\n"
 
    done
+
+   if $LOGGING ; then
+      echo -e "\n\033[1mGoing to restart the system NOW..\033[m"
+   else
+      echo ""
+      echo "Going to restart the system NOW.."
+   fi
    err_msg="${err_msg}\nGoing to restart the system..\n"
 
    datum="$(date +"%d.%m.%Y %H:%M")"
    for _email in ${alert_email_arr[@]} ; do
 
-      echo -e "To:${_email}\n${content_type}\nSubject:[Error: Local Webservice IS STILL NOT rsponding] - A system restart is triggered.\n$err_msg\nFilesystem usage:\n=================\n$(df -h)\n\n${msg_user_defined}\n${msg}" \
+      echo -e "To:${_email}\n${content_type}\nSubject:[ REBOOT System ]: Local Webservice IS STILL NOT rsponding.\n$err_msg\nFilesystem usage:\n=================\n$(df -h)\n\n${msg_user_defined}\n${msg}" \
          | sendmail -F "Error `hostname -f`" -f $sender_address $_email
   done
 
    rm -f "$RESTART_CHECK_FILE"
-   reboot_system "The local web service is still down - a system restart is triggered."
+   reboot_system
 
 fi