MT#6485 detect container environment

In order to be able to run NGCP inside a container adding the use
of our ngcp-system-tools helper to check the environment.

Merged changes from templates

debian/control

@@ -17,6 +17,7 @@ Homepage: http://sipwise.com/
 
 Package: ngcp-rtpengine-daemon
 Architecture: any
+Pre-Depends: ngcp-system-tools
 Depends: ${misc:Depends},
          ${shlibs:Depends}
 Conflicts: ngcp-mediaproxy-ng-daemon
@@ -61,6 +62,7 @@ Description: IPtables kernel module for the NGCP media proxy - source.
 
 Package: ngcp-rtpengine-kernel-dkms
 Architecture: all
+Pre-Depends: ngcp-system-tools
 Depends: dkms (>= 1.95),
          ${misc:Depends}
 Conflicts: ngcp-mediaproxy-ng-kernel-dkms

debian/ngcp-rtpengine-daemon.init

@@ -3,9 +3,10 @@
 # Provides:          ngcp-rtpengine-daemon
 # Required-Start:    $remote_fs $syslog
 # Required-Stop:     $remote_fs $syslog
+# Should-Start:      sshd
 # Default-Start:     2 3 4 5
 # Default-Stop:      0 1 6
-# Short-Description: Ngcp Mediaproxy-ng
+# Short-Description: Ngcp Rtpengine
 # Description:       Proxy for RTP and other media streams
 ### END INIT INFO
 
@@ -68,12 +69,27 @@ fi
 
 case "$1" in
   start)
-
+	set +e
+	if [ -x "/usr/sbin/ngcp-check_active" ]; then
+	  /usr/sbin/ngcp-check_active -q
+	  status=$?
+	  case "${status}" in
+	    0|3)
+	      echo "Active node or transition."
+	      ;;
+	    *)
+	      echo "Ignored start action in inactive node ($status)"
+	      exit 0
+	      ;;
+	  esac
+	fi
 	echo -n "Starting $DESC: $NAME"
-	if [ $TABLE -ge 0 ]; then \
+	if [ $TABLE -ge 0 ] && ! /usr/sbin/ngcp-virt-identify --type container; then
 		set +e
 		modprobe xt_MEDIAPROXY
+		if [ -e /proc/mediaproxy/control ]; then
 			echo "del $TABLE" > /proc/mediaproxy/control 2>/dev/null
+		fi
 		iptables -N mediaproxy 2> /dev/null
 		iptables -D INPUT -j mediaproxy 2> /dev/null
 		iptables -I INPUT -j mediaproxy
@@ -97,9 +113,11 @@ case "$1" in
 	if [ "$?" -ne 0 ]; then
 		return $?
 	fi
-	if [ $TABLE -ge 0 ]; then \
+	if [ $TABLE -ge 0 ] && ! /usr/sbin/ngcp-virt-identify --type container; then
 		set +e
+		if [ -e /proc/mediaproxy/control ]; then
 			echo "del $TABLE" > /proc/mediaproxy/control 2>/dev/null
+		fi
 		iptables -D INPUT -j mediaproxy 2> /dev/null
 		iptables -D mediaproxy -p udp -j MEDIAPROXY --id $TABLE 2>/dev/null
 		ip6tables -D INPUT -j mediaproxy 2> /dev/null
@@ -119,7 +137,20 @@ case "$1" in
 		return $?
 	fi
 	rm -f $PIDFILE
-	if [ $TABLE -ge 0 ]; then \
+	if [ -x "/usr/sbin/ngcp-check_active" ]; then
+	  /usr/sbin/ngcp-check_active -q
+	  status=$?
+	  case "${status}" in
+	    0|3)
+	      echo "Active node or transition."
+	      ;;
+	    *)
+	      echo "Ignored start action in inactive node ($status)"
+	      exit 0
+	      ;;
+	  esac
+	fi
+	if [ $TABLE -ge 0 ] && ! /usr/sbin/ngcp-virt-identify --type container; then
 		sleep 1
 		set +e
 		if [ -e /proc/mediaproxy/control ]; then

debian/ngcp-rtpengine-kernel-dkms.postinst

@@ -8,8 +8,10 @@ name=ngcp-rtpengine
 version=`dpkg-query -W -f='${Version}' "$package" \
 		|rev|cut -d- -f2-|rev|cut -d':' -f2|tr -d "\n"`
 
+if /usr/sbin/ngcp-virt-identify --type container; then
+	echo "Container environment detected. Skip dkms"
+else
 	isadded=`dkms status -m "$name" -v "$version"`
-
 	if [ "x${isadded}" = "x" ] ; then
 		dkms add -m "$name" -v "$version"
 	fi
@@ -22,6 +24,7 @@ if [ "$1" = 'configure' ] ; then
 			invoke-rc.d ngcp-rtpengine-daemon restart || true
 		fi
 	fi
+fi
 
 #DEBHELPER#
 

debian/ngcp-rtpengine-kernel-dkms.prerm

@@ -13,7 +13,11 @@ if [ -x /etc/init.d/ngcp-rtpengine-daemon ] ; then
 	invoke-rc.d ngcp-rtpengine-daemon stop || true
 fi
 
+if /usr/sbin/ngcp-virt-identify --type container; then
+	echo "Container environment detected. Skip dkms"
+else
 	dkms remove -m "$name" -v "$version" --all || true
+fi
 
 #DEBHELPER#