Make e2e testcase configurable for CI (#446)

* Make e2e testcase configurable for CI

* Make sshkey name unique

* Fix unbound var error

* Fix check

Author: alvaroaleman

hack/ci-e2e-test.sh

@@ -31,9 +31,14 @@ curl --retry 5  -LO \
 chmod +x kubectl &&
 mv kubectl /usr/local/bin
 
+# Build binaries
+echo "Building machine-controller and webhook"
+make machine-controller webhook
+
 # Generate ssh keypair
-echo "Set permissions for ssh key"
+echo "Generating ssh keypair"
 chmod 0700 $HOME/.ssh
+ssh-keygen -t rsa -N ""  -f ~/.ssh/id_ed25519
 
 # Initialize terraform
 echo "Initalizing terraform"
@@ -42,14 +47,14 @@ make terraform
 cp provider.tf{.disabled,}
 terraform init --input=false --backend-config=key=$BUILD_ID
 export TF_VAR_hcloud_token="${HZ_E2E_TOKEN}"
-export TF_VAR_hcloud_sshkey_content="$(cat ~/.ssh/id_rsa.pub)"
+export TF_VAR_hcloud_sshkey_content="$(cat ~/.ssh/id_ed25519.pub)"
+export TF_VAR_hcloud_sshkey_name="$BUILD_ID"
 export TF_VAR_hcloud_test_server_name="machine-controller-test-${BUILD_ID}"
 
 for try in {1..20}; do
   set +e
   # Create environment at cloud provider
   echo "Creating environment at cloud provider."
-  terraform import hcloud_ssh_key.default 355488
   terraform apply -auto-approve
   TF_RC=$?
   if [[ $TF_RC == 0 ]]; then break; fi
@@ -64,15 +69,16 @@ done
 set -e
 cd -
 
-# Build binaries
-echo "Building machine-controller and webhook"
-make machine-controller webhook
-
 # Create kubeadm cluster and install machine-controller onto it
 echo "Creating kubeadm cluster and install machine-controller onto it."
+export E2E_SSH_PUBKEY="$(cat ~/.ssh/id_rsa.pub)"
 ./test/tools/integration/provision_master.sh
 
 # Run e2e test
 echo "Running e2e test."
-export KUBECONFIG=$GOPATH/src/github.com/kubermatic/machine-controller/.kubeconfig &&
-go test -race -tags=e2e -parallel 240 -v -timeout 30m  ./test/e2e/... -identifier=$BUILD_ID
+export KUBECONFIG=$GOPATH/src/github.com/kubermatic/machine-controller/.kubeconfig
+EXTRA_ARGS=""
+if [[ $# -gt 0 ]]; then
+  EXTRA_ARGS="-run $1"
+fi
+go test -race -tags=e2e -parallel 240 -v -timeout 30m  ./test/e2e/... -identifier=$BUILD_ID $EXTRA_ARGS