tests/e2e: use imported image

Dockerfile

@@ -4,7 +4,7 @@ COPY . .
 RUN make build && bin/k3d version
 
 FROM docker:19.03-dind as dind
-RUN apk add bash curl sudo jq git make
+RUN apk update && apk add bash curl sudo jq git make netcat-openbsd
 RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/linux/amd64/kubectl && \
     chmod +x ./kubectl && \
     mv ./kubectl /usr/local/bin/kubectl

tests/test_full_lifecycle.sh

@@ -46,11 +46,18 @@ info "Checking that we have 3 nodes available now..."
 check_multi_node "$clustername" 3 || failed "failed to verify number of nodes"
 
 # 4. load an image into the cluster
-info "Loading an image into the cluster..."
+info "Importing an image into the cluster..."
 docker pull nginx:latest > /dev/null
 docker tag nginx:latest nginx:local > /dev/null
 $EXE image import nginx:local -c $clustername || failed "could not import image in $clustername"
 
+# 5. use that image
+info "Spawning a pod using the imported image..."
+kubectl run --image nginx:local testimage
+info "Waiting for a bit for the pod to start..."
+sleep 5
+kubectl get pod testimage | grep 'Running' || failed "Pod using the imported image is not running after 5 seconds"
+
 # Cleanup
 
 info "Deleting cluster $clustername..."