build: add integration test script

Makefile

@@ -69,3 +69,7 @@ nix-derivation-shell:
 	$(eval DERIVATION=$(shell nix-build))
 	echo $(DERIVATION) | grep ^/nix
 	nix-shell -p $(DERIVATION)
+
+.PHONY: integration
+integration: build
+	GOARCH=$(GOARCH) COLIMA_BINARY=$(OUTPUT_DIR)/$(OUTPUT_BIN) scripts/integration.sh

scripts/integration.sh

@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+
+set -ex
+
+alias colima="$COLIMA_BINARY"
+DOCKER_CONTEXT="$(docker info -f '{{json .}}' | jq -r '.ClientInfo.Context')"
+
+OTHER_ARCH="amd64"
+if [ "$GOARCH" == "amd64" ]; then
+    OTHER_ARCH="arm64"
+fi
+
+stage() (
+    set +x
+    echo
+    echo "######################################"
+    echo "$@"
+    echo "######################################"
+    echo
+    set -x
+)
+
+test_runtime() (
+    stage "runtime: $2, arch: $1"
+
+    NAME="itest-$2"
+    COLIMA="colima -p $NAME"
+
+    COMMAND="docker"
+    if [ "$2" == "containerd" ]; then
+       COMMAND="$COLIMA nerdctl --" 
+    fi
+
+    # reset
+    $COLIMA delete -f
+
+    # start
+    $COLIMA start --arch "$1" --runtime "$2"
+
+    # validate
+    $COMMAND ps && $COMMAND info
+
+    # validate DNS
+    $COLIMA ssh -- nslookup host.docker.internal
+
+    # valid building image
+    $COMMAND build integration
+
+    # teardown
+    $COLIMA delete -f 
+)
+
+test_kubernetes() (
+    stage "k8s runtime: $2, arch: $1"
+
+    NAME="itest-$2-k8s"
+    COLIMA="colima -p $NAME"
+
+    # reset
+    $COLIMA delete -f
+
+    # start
+    $COLIMA start --arch "$1" --runtime "$2" --kubernetes
+
+    # short delay
+    sleep 5
+
+    # validate
+    kubectl cluster-info && kubectl version && kubectl get nodes -o wide
+
+    # teardown
+    $COLIMA delete -f
+)
+
+test_runtime $GOARCH docker
+test_runtime $GOARCH containerd
+test_kubernetes $GOARCH docker
+test_kubernetes $GOARCH containerd
+test_runtime $OTHER_ARCH docker
+test_runtime $OTHER_ARCH containerd
+
+if [ -n "$DOCKER_CONTEXT" ]; then
+    docker context use "$DOCKER_CONTEXT" || echo
+fi