istio

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//go:build integ
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// +build integ
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// Copyright Istio Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package helm
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import (
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	"fmt"
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	"os"
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	"path/filepath"
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	"testing"
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	"istio.io/istio/pkg/test/framework"
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	kubecluster "istio.io/istio/pkg/test/framework/components/cluster/kube"
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	"istio.io/istio/pkg/test/framework/components/namespace"
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	"istio.io/istio/pkg/test/helm"
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	"istio.io/istio/tests/util/sanitycheck"
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)
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// TestDefaultInstall tests Istio installation using Helm with default options
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func TestDefaultInstall(t *testing.T) {
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	overrideValuesStr := `
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global:
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  hub: %s
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  tag: %s
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`
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	framework.
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		NewTest(t).
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		Features("installation.helm.default.install").
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		Run(setupInstallation(overrideValuesStr, false))
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}
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// TestAmbientInstall tests Istio ambient profile installation using Helm
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func TestAmbientInstall(t *testing.T) {
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	framework.
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		NewTest(t).
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		Features("installation.helm.ambient.install").
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		Run(setupInstallation(ambientProfileOverride, true))
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}
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func setupInstallation(overrideValuesStr string, isAmbient bool) func(t framework.TestContext) {
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	return func(t framework.TestContext) {
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		workDir, err := t.CreateTmpDirectory("helm-install-test")
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		if err != nil {
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			t.Fatal("failed to create test directory")
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		}
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		cs := t.Clusters().Default().(*kubecluster.Cluster)
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		h := helm.New(cs.Filename())
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		s := t.Settings()
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		overrideValues := fmt.Sprintf(overrideValuesStr, s.Image.Hub, s.Image.Tag)
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		overrideValuesFile := filepath.Join(workDir, "values.yaml")
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		if err := os.WriteFile(overrideValuesFile, []byte(overrideValues), os.ModePerm); err != nil {
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			t.Fatalf("failed to write iop cr file: %v", err)
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		}
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		t.Cleanup(func() {
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			if !t.Failed() {
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				return
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			}
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			if t.Settings().CIMode {
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				namespace.Dump(t, IstioNamespace)
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			}
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		})
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		InstallIstio(t, cs, h, overrideValuesFile, "", true, isAmbient)
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		VerifyInstallation(t, cs, true, isAmbient)
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		verifyValidation(t)
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		sanitycheck.RunTrafficTest(t, t)
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		t.Cleanup(func() {
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			DeleteIstio(t, h, cs, isAmbient)
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		})
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	}
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}
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