Add BATS test for spinkube operator

Just uses `spin kube deploy …` to deploy an existing sample app and verify
that it works. Uses traefik ingress because the port_forwarding API still
has some unresolved challenges.

Signed-off-by: Jan Dubois <[email protected]>

bats/tests/helpers/commands.bash

@@ -83,6 +83,9 @@ rdshell() {
 rdsudo() {
     rdshell sudo "$@"
 }
+spin() {
+    "$PATH_RESOURCES/$PLATFORM/bin/spin$EXE" "$@" | no_cr
+}
 wsl() {
     wsl.exe -d "$WSL_DISTRO" "$@"
 }

bats/tests/k8s/spinkube.bats

@@ -0,0 +1,62 @@
+load '../helpers/load'
+
+local_setup() {
+    if using_docker; then
+        skip "this test only works on containerd right now"
+    fi
+}
+
+# Get the host name to use to reach Traefik
+get_host() {
+    if is_windows; then
+        local jsonpath='jsonpath={.status.loadBalancer.ingress[0].ip}'
+        run --separate-stderr kubectl get service traefik --namespace kube-system --output "$jsonpath"
+        assert_success || return
+        assert_output || return
+        echo "$output.sslip.io"
+    else
+        echo "localhost"
+    fi
+}
+
+@test 'start k8s with spinkube' {
+    factory_reset
+    start_kubernetes \
+        --experimental.container-engine.web-assembly.enabled \
+        --experimental.kubernetes.options.spinkube
+    wait_for_kubelet
+}
+
+@test 'deploy app to kubernetes' {
+    spin kube deploy --from ghcr.io/deislabs/containerd-wasm-shims/examples/spin-rust-hello:v0.10.0
+}
+
+# TODO replace ingress with port-forwarding
+@test 'deploy ingress' {
+    kubectl apply --filename - <<EOF
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: spin-rust-hello
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web
+spec:
+  rules:
+  - host: $(get_host)
+    http:
+      paths:
+        - path: /
+          pathType: Prefix
+          backend:
+            service:
+              name: spin-rust-hello
+              port:
+                number: 80
+EOF
+}
+
+@test 'connect to app on localhost' {
+    run try curl --silent --fail --connect-timeout 5 "http://$(get_host)/hello"
+    assert_success
+    assert_output "Hello world from Spin!"
+}