FEATURE: Added loggin to systemd

* webcamd logs now also to systemd.
* viewable via journalctl and systemctl status webcamd.
* Logs always in debug Style to systemd

Signed-off-by: Stephan Wendel <me@stephanwe.de>

installer_ms050.sh

@@ -39,7 +39,7 @@ sudo rm -rf /var/log/webcamd.log
 
 # Install Dependency
 sudo apt update
-sudo apt install crudini -y
+sudo apt install crudini logger -y
 
 # Install Project "crowsnest"
 echo -e "Installing webcamd and enable Service"

webcamd

@@ -83,17 +83,22 @@ function log_msg {
         mkdir -p "$(dirname "${logfile}")"
     fi
     echo -e "${prefix} ${msg}" | tr -s ' ' >> "${logfile}" 2>&1
+    echo -e "${msg}" | logger -t webcamd 
 }
 
 #call '| log_output "<prefix>"'
 function log_output {
     local prefix
     prefix="DEBUG: ${1}"
-    if [ "$(log_level)" == "debug" ]; then
     while read -r line; do
+        if [ "$(log_level)" == "debug" ]; then
             log_msg "${prefix}: ${line}"
-        done
         fi
+        if [ -n "${line}" ]; then
+            # sed is needed to prettify ustreamers output
+            logger -t webcamd "$(echo ${line} | sed 's/^--/ustreamer/')"
+        fi
+    done
 }
 
 function print_cfg {
@@ -132,6 +137,7 @@ function print_cams {
 ## Sanity Checks
 function initial_check {
     log_msg "INFO: Checking Dependencys"
+    check_dep "logger"
     check_dep "crudini"
     check_dep "mjpg_streamer"
     check_dep "ustreamer"
@@ -141,6 +147,8 @@ function initial_check {
             print_cfg
         fi
     fi
+    # in systemd show always config file
+    logger -t webcamd -f "${WEBCAMD_CFG}"
     log_msg "INFO: Detect available Cameras"
     print_cams
 }