From b9f2e3edbb55c4af6b62d94afc0842d0275be159 Mon Sep 17 00:00:00 2001
From: Christoph <ckubu@oopen.de>
Date: Wed, 24 Jul 2019 14:00:29 +0200
Subject: [PATCH] check_service.sh: remove unusually code.

---
 check_service.sh | 37 +++++++++++++++++++++----------------
 1 file changed, 21 insertions(+), 16 deletions(-)

diff --git a/check_service.sh b/check_service.sh
index e9d1995..1830e3c 100755
--- a/check_service.sh
+++ b/check_service.sh
@@ -91,27 +91,15 @@ else
    LOGGING=false
 fi
 
+
+# Is service name given?
+#
 if [[ -n "$1" ]] ; then
    service_name=$1
 else
    fatal "$(basename $0): No Service given"
 fi
 
-# - Is Service installed ?
-# -
-_check_binary="$(which ${service_name,,}d)"
-if [[ -z "$_check_binary" ]] ; then
-   _check_binary="$(which ${service_name,,})"
-fi
-
-
-if [[ -z "$_check_binary" ]]; then
-   fatal "$(basename $0): $service_name Service seems NOT to be installed"
-else
-   check_binary="$_check_binary"
-   check_string_ps="$check_binary"
-fi
-
 
 # - Systemd supported ?
 # -
@@ -152,6 +140,23 @@ if [[ -z "$SYSTEMD_SERVICE" ]] && [[ -z "$SYSV_INIT_SCRIPT" ]] ; then
    fatal "Neither an init-script nor a service file for $service_name found!"
 fi
 
+# - Determin check_string_ps ..
+# -
+if [[ -n "$SYSTEMD_SERVICE" ]] ; then
+   _systemd_service_file=""
+   if [[ -f "/etc/systemd/system/$SYSTEMD_SERVICE" ]] ; then
+      _systemd_service_file="/etc/systemd/system/$SYSTEMD_SERVICE"
+   elif [[ -f "/lib/systemd/system/$SYSTEMD_SERVICE" ]] ; then
+      _systemd_service_file="/etc/systemd/system/$SYSTEMD_SERVICE"
+   fi
+   if [[ -n "$_systemd_service_file" ]]; then
+      check_string_ps="$(trim $(cat "$_systemd_service_file" | grep ExecStart | grep -o -E "ExecStart\s*=\s*[^[:space:]]+" | cut -d "=" -f2))"
+   fi
+else
+   check_string_ps="$(trim $(cat "$SYSV_INIT_SCRIPT" | grep DAEMON | grep -o -E "DAEMON\s*=\s*[^[:space:]]+" | cut -d "=" -f2))"
+fi
+
+
 
 #---------------------------------------
 #-----------------------------
@@ -161,7 +166,7 @@ fi
 
 if $LOGGING ; then
    echo -e "\n   Check if $service_name service is running.."
-   echo -e "   ================================="
+   echo -e "   ====================================="
 fi
 if ! ps -e f | grep -E "[[:digit:]]\ ${check_string_ps}" | grep -v grep > /dev/null ; then
    error "$service_name service seems to be down! Trying to restart service now.."