Enable arm sonobuoy for drone but don't run tests

Bring up the cluster but early exit, arm images
do not exist for sonobuoy testing.

.drone.yml

@@ -212,6 +212,14 @@ steps:
     event:
     - tag
 
+- name: sonobuoy-e2e-tests
+  image: rancher/dapper:v0.4.2
+  commands:
+  - dapper -f Dockerfile.sonobuoy.dapper
+  volumes:
+  - name: docker
+    path: /var/run/docker.sock
+
 volumes:
 - name: docker
   host:

scripts/sonobuoy

@@ -195,5 +195,10 @@ echo "Started ${K3S_AGENT}"
 timeout --foreground 1m bash -c wait-for-nodes
 timeout --foreground 1m bash -c wait-for-services
 
+if [ "$ARCH" = "arm" ]; then
+    echo "Aborting sonobuoy tests, images not available for $ARCH"
+    exit 0
+fi
+
 echo "Starting sonobuoy tests"
 sonobuoy-test "${@}"