CI: use utility container for SSH forwarding

Signed-off-by: Karol Gugala <kgugala@antmicro.com>

.github/workflows/Pipeline.yml

@@ -58,7 +58,9 @@ jobs:
 
       - name: Xilinx Setup
         env:
-          LICENSE_TUNNEL_KEY_DATA: ${{ secrets.LICENSE_TUNNEL_KEY_DATA }}
+          GHA_SSH_TUNNEL_KEY: "${{ secrets.LICENSE_TUNNEL_KEY_DATA }}"
+          GHA_SSH_TUNNEL_CONFIG: "${{ secrets.LICENSE_TUNNEL_SSH_CONFIG }}"
+
         run: .github/workflows/scripts/xilinx.sh
 
       - name: Build

.github/workflows/scripts/xilinx.sh

@@ -56,56 +56,19 @@ echo "----------------------------------------"
 
 # Create a tunnel to the server which has the Xilinx licenses and port forward
 # them.
-echo
-echo "Setting up license server tunnel"
-echo "----------------------------------------"
 if [ ! -z "$LICENSE_TUNNEL_KEY_DATA" ]; then
-	LICENSE_TUNNEL_KEY=~/.Xilinx/xilinx-tunnel-key
-	LICENSE_TUNNEL_HOST=10.138.0.3
-	echo $LICENSE_TUNNEL_KEY_DATA | base64 --decode > $LICENSE_TUNNEL_KEY
-
-	echo "SSH Key for license server tunnel should be found @ $LICENSE_TUNNEL_KEY"
-	ls -l $LICENSE_TUNNEL_KEY || true
 
 	echo
-	echo "Xilinx license server ssh key found, setting up tunnel"
+	echo "Xilinx license server ssh key found, checking the license"
 	echo
 
-	echo
-	echo "Checking $LICENSE_TUNNEL_HOST is up"
-	ip addr show
-	echo "ping: ---------"
-	ping -c 5 $LICENSE_TUNNEL_HOST
-	echo "port: ---------"
-	nc -zv $LICENSE_TUNNEL_HOST 22
-	echo "---------"
-	echo
-
-	chmod 600 $LICENSE_TUNNEL_KEY
-	cat <<EOF > ssh_config
-Host xilinx-license
-  HostName $LICENSE_TUNNEL_HOST
-  User kokoro
-  IdentityFile $LICENSE_TUNNEL_KEY
-  StrictHostKeyChecking no
-  ExitOnForwardFailure yes
-  # SessionType none
-  LocalForward localhost:2100 172.18.0.3:2100
-  LocalForward localhost:2101 172.18.0.3:2101
-EOF
 	echo "127.0.0.1 xlic.int" | sudo tee -a /etc/hosts
 
-	export GIT_SSH_COMMAND="ssh -F $(pwd)/ssh_config -f -N"
-	${GIT_SSH_COMMAND} xilinx-license &
-	disown $!
-
-	(
 	source /opt/Xilinx/Vivado/2017.2/settings64.sh
 	export PATH=/opt/Xilinx/Vivado/2017.2/bin/unwrapped/lnx64.o:$PATH
 	echo "-----"
 	lmutil lmstat -a -c 2100@localhost -i || true
 	echo "-----"
-	)
 
 	export XILINXD_LICENSE_FILE=2100@localhost