Merge pull request #3 from asymetrixs/deb-packaging

Added check for availability of setcap

Build/deb-meta/DEBIAN/postinst

@@ -25,8 +25,13 @@ if [ ! -f "$INSTALLPATH/appsettings.json" ]; then
     cp $INSTALLPATH/appsettings.template.json $INSTALLPATH/appsettings.json
 fi
 
-# Enable MQTTServer.NET to bind to IP interface
+
-setcap CAP_NET_BIND_SERVICE=+eip $INSTALLPATH/MQTTnet.Server
+# Check if setcap exists, does not exist in docker containers
+SCAP=$(which setcap >/dev/null; echo $?)
+if [ "$SCAP" -eq "0" ]; then
+    # Enable MQTTServer.NET to bind to IP interface
+    setcap CAP_NET_BIND_SERVICE=+eip $INSTALLPATH/MQTTnet.Server
+fi
 
 chmod 644 /etc/systemd/system/mqttnet-server.service
 

Build/deb-meta/DEBIAN/postrm

@@ -2,7 +2,6 @@
 
 # Check if systemctl exists, does not exist in docker containers
 SCTL=$(which systemctl >/dev/null; echo $?)
-
 if [ "$SCTL" -eq "0" ]; then
     # Reload systemd because of new service file
     systemctl daemon-reload

Build/deb-meta/DEBIAN/prerm

@@ -5,11 +5,14 @@ INSTALLPATH=$BASEPATH/MQTTnetServer
 
 # Check if systemctl exists, does not exist in docker containers
 SCTL=$(which systemctl >/dev/null; echo $?)
-
 if [ "$SCTL" -eq "0" ]; then
     # Stop service before uninstalling
     systemctl stop mqttnet-server
 fi
 
-# Remove permission to open ports
+# Check if setcap exists, does not exist in docker containers
-setcap CAP_NET_BIND_SERVICE=-eip $INSTALLPATH/MQTTnet.Server
+SCAP=$(which setcap >/dev/null; echo $?)
+if [ "$SCAP" -eq "0" ]; then
+    # Remove permission to open ports
+    setcap CAP_NET_BIND_SERVICE=-eip $INSTALLPATH/MQTTnet.Server
+fi