// +build integration

/*
Copyright 2020 The Kubernetes Authors All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package integration

import (
	"context"
	"os/exec"
	"strings"
	"testing"
)

func TestMultiNode(t *testing.T) {
	if NoneDriver() {
		t.Skip("none driver does not support multinode")
	}

	// TODO: remove this skip once docker multinode is fixed
	if KicDriver() {
		t.Skip("docker driver multinode is currently broken :(")
	}

	profile := UniqueProfileName("multinode")
	ctx, cancel := context.WithTimeout(context.Background(), Minutes(30))
	defer CleanupWithLogs(t, profile, cancel)

	startArgs := append([]string{"start", "-p", profile, "--wait=true"}, StartArgs()...)
	rr, err := Run(t, exec.CommandContext(ctx, Target(), startArgs...))
	if err != nil {
		t.Fatalf("failed to start cluster. args %q : %v", rr.Command(), err)
	}

	// Add a node to the current cluster
	addArgs := []string{"node", "add", "-p", profile, "-v", "3", "--alsologtostderr"}
	rr, err = Run(t, exec.CommandContext(ctx, Target(), addArgs...))
	if err != nil {
		t.Fatalf("failed to add node to current cluster. args %q : %v", rr.Command(), err)
	}

	rr, err = Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "status"))
	if err != nil {
		t.Fatalf("failed to run minikube status. args %q : %v", rr.Command(), err)
	}

	if strings.Count(rr.Stdout.String(), "host: Running") != 2 {
		t.Errorf("status says both hosts are not running: args %q: %v", rr.Command(), rr.Stdout.String())
	}

	if strings.Count(rr.Stdout.String(), "kubelet: Running") != 2 {
		t.Errorf("status says both kubelets are not running: args %q: %v", rr.Command(), rr.Stdout.String())
	}

}