check_cert_for_service.sh: some minor changes..

check_cert_for_service.sh

@@ -7,22 +7,6 @@
 working_dir="$(dirname $(realpath $0))"
 conf_file="${working_dir}/conf/check_cert_for_service.conf"
 
-# ----------
-# -
-# - Script checks, whether the certificate for mumble services are up to date. If
-# - newer versions than the installed one found, script changes the installed
-# - key/cert to the latest version.
-# -
-# - Note !!
-# - This script is very special to the server environment of machine 'o13-il.oopen.de'
-# -
-# ----------
-
-LOCK_DIR="/tmp/check_cert_${service_name}.sh.LOCK"
-log_file="${LOCK_DIR}/check_cert_${service_name}.log"
-
-restart_service=false
-
 
 # -------------
 # --- Some functions
@@ -103,10 +87,27 @@ echo_done() {
 }
 
 
+restart_service=false
+
+
+# --------------
+# - Read Configurations from $conf_file
+# --------------
+
+if [[ ! -f "$conf_file" ]]; then
+   fatal " Configuration file '$(basename ${conf_file})' not found!"
+else
+   source $conf_file
+fi
+
+
 # -------------
 # - Job is already running?
 # -------------
 
+LOCK_DIR="/tmp/check_cert_${service_name}.sh.LOCK"
+log_file="${LOCK_DIR}/check_cert_${service_name}.log"
+
 # - If job already runs, stop execution..
 # -
 if mkdir "$LOCK_DIR" 2> /dev/null ; then
@@ -148,29 +149,7 @@ else
    terminal=false
 fi
 
-
-# - Read Configurations from $conf_file
-# -
-if [[ ! -f "$conf_file" ]]; then
-   fatal " Configuration file '$(basename ${conf_file})' not found!"
-else
-   source $conf_file
-fi
-
-# - Systemd supported ?
-# -
-systemd_supported=false
-systemd=$(which systemd)
-systemctl=$(which systemctl)
-
-if [[ -n "$systemd" ]] || [[ -n "$systemctl" ]] ; then
-   systemd_supported=true
-fi
-
-SYSTEMD_SERVICE=
-SYSV_INIT_SCRIPT=
-
-if $systemd_supported ; then
+if [[ -n "=$(which systemctl)" ]]  ; then
    if systemctl -t service list-unit-files \
          | grep -e "^${service_name,,}d" \
          | grep -q -E "(enabled|disabled|generated)" 2> /devnull ; then