Files
argo-cd/util/helm/helm_test.go
2026-02-12 09:29:40 -05:00

279 lines
8.2 KiB
Go

package helm
import (
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
"github.com/argoproj/argo-cd/v3/util/io/path"
"github.com/argoproj/argo-cd/gitops-engine/pkg/utils/kube"
"github.com/stretchr/testify/assert"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
)
func template(h Helm, opts *TemplateOpts) ([]*unstructured.Unstructured, error) {
out, _, err := h.Template(opts)
if err != nil {
return nil, err
}
return kube.SplitYAML([]byte(out))
}
func TestHelmTemplateParams(t *testing.T) {
h, err := NewHelmApp("./testdata/minio", []HelmRepository{}, false, "", "", "", false)
require.NoError(t, err)
opts := TemplateOpts{
Name: "test",
Set: map[string]string{
"service.type": "LoadBalancer",
"service.port": "1234",
},
SetString: map[string]string{
"service.annotations.prometheus\\.io/scrape": "true",
},
}
objs, err := template(h, &opts)
require.NoError(t, err)
assert.Len(t, objs, 5)
for _, obj := range objs {
if obj.GetKind() != "Service" || obj.GetName() != "test-minio" {
continue
}
var svc corev1.Service
err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.Object, &svc)
require.NoError(t, err)
assert.Equal(t, corev1.ServiceTypeLoadBalancer, svc.Spec.Type)
assert.Equal(t, int32(1234), svc.Spec.Ports[0].TargetPort.IntVal)
assert.Equal(t, "true", svc.Annotations["prometheus.io/scrape"])
}
}
func TestHelmTemplateValues(t *testing.T) {
repoRoot := "./testdata/redis"
repoRootAbs, err := filepath.Abs(repoRoot)
require.NoError(t, err)
h, err := NewHelmApp(repoRootAbs, []HelmRepository{}, false, "", "", "", false)
require.NoError(t, err)
valuesPath, _, err := path.ResolveValueFilePathOrUrl(repoRootAbs, repoRootAbs, "values-production.yaml", nil)
require.NoError(t, err)
opts := TemplateOpts{
Name: "test",
Values: []path.ResolvedFilePath{valuesPath},
}
objs, err := template(h, &opts)
require.NoError(t, err)
assert.Len(t, objs, 8)
for _, obj := range objs {
if obj.GetKind() == "Deployment" && obj.GetName() == "test-redis-slave" {
var dep appsv1.Deployment
err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.Object, &dep)
require.NoError(t, err)
assert.Equal(t, int32(3), *dep.Spec.Replicas)
}
}
}
func TestHelmGetParams(t *testing.T) {
repoRoot := "./testdata/redis"
repoRootAbs, err := filepath.Abs(repoRoot)
require.NoError(t, err)
h, err := NewHelmApp(repoRootAbs, nil, false, "", "", "", false)
require.NoError(t, err)
params, err := h.GetParameters(nil, repoRootAbs, repoRootAbs)
require.NoError(t, err)
slaveCountParam := params["cluster.slaveCount"]
assert.Equal(t, "1", slaveCountParam)
}
func TestHelmGetParamsValueFiles(t *testing.T) {
repoRoot := "./testdata/redis"
repoRootAbs, err := filepath.Abs(repoRoot)
require.NoError(t, err)
h, err := NewHelmApp(repoRootAbs, nil, false, "", "", "", false)
require.NoError(t, err)
valuesPath, _, err := path.ResolveValueFilePathOrUrl(repoRootAbs, repoRootAbs, "values-production.yaml", nil)
require.NoError(t, err)
params, err := h.GetParameters([]path.ResolvedFilePath{valuesPath}, repoRootAbs, repoRootAbs)
require.NoError(t, err)
slaveCountParam := params["cluster.slaveCount"]
assert.Equal(t, "3", slaveCountParam)
}
func TestHelmGetParamsValueFilesThatExist(t *testing.T) {
repoRoot := "./testdata/redis"
repoRootAbs, err := filepath.Abs(repoRoot)
require.NoError(t, err)
h, err := NewHelmApp(repoRootAbs, nil, false, "", "", "", false)
require.NoError(t, err)
valuesMissingPath, _, err := path.ResolveValueFilePathOrUrl(repoRootAbs, repoRootAbs, "values-missing.yaml", nil)
require.NoError(t, err)
valuesProductionPath, _, err := path.ResolveValueFilePathOrUrl(repoRootAbs, repoRootAbs, "values-production.yaml", nil)
require.NoError(t, err)
params, err := h.GetParameters([]path.ResolvedFilePath{valuesMissingPath, valuesProductionPath}, repoRootAbs, repoRootAbs)
require.NoError(t, err)
slaveCountParam := params["cluster.slaveCount"]
assert.Equal(t, "3", slaveCountParam)
}
func TestHelmTemplateReleaseNameOverwrite(t *testing.T) {
h, err := NewHelmApp("./testdata/redis", nil, false, "", "", "", false)
require.NoError(t, err)
objs, err := template(h, &TemplateOpts{Name: "my-release"})
require.NoError(t, err)
assert.Len(t, objs, 5)
for _, obj := range objs {
if obj.GetKind() == "StatefulSet" {
var stateful appsv1.StatefulSet
err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.Object, &stateful)
require.NoError(t, err)
assert.Equal(t, "my-release-redis-master", stateful.Name)
}
}
}
func TestHelmTemplateReleaseName(t *testing.T) {
h, err := NewHelmApp("./testdata/redis", nil, false, "", "", "", false)
require.NoError(t, err)
objs, err := template(h, &TemplateOpts{Name: "test"})
require.NoError(t, err)
assert.Len(t, objs, 5)
for _, obj := range objs {
if obj.GetKind() == "StatefulSet" {
var stateful appsv1.StatefulSet
err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.Object, &stateful)
require.NoError(t, err)
assert.Equal(t, "test-redis-master", stateful.Name)
}
}
}
func TestHelmArgCleaner(t *testing.T) {
for input, expected := range map[string]string{
`val`: `val`,
`bar`: `bar`,
`not, clean`: `not\, clean`,
`a\,b,c`: `a\,b\,c`,
`{a,b,c}`: `{a,b,c}`,
`,,,,,\,`: `\,\,\,\,\,\,`,
`\,,\\,,`: `\,\,\\,\,`,
} {
cleaned := cleanSetParameters(input)
assert.Equal(t, expected, cleaned)
}
}
func TestVersion(t *testing.T) {
ver, err := Version()
require.NoError(t, err)
assert.NotEmpty(t, ver)
}
func Test_flatVals(t *testing.T) {
t.Run("Map", func(t *testing.T) {
output := map[string]string{}
flatVals(map[string]any{"foo": map[string]any{"bar": "baz"}}, output)
assert.Equal(t, map[string]string{"foo.bar": "baz"}, output)
})
t.Run("Array", func(t *testing.T) {
output := map[string]string{}
flatVals(map[string]any{"foo": []any{"bar", "baz"}}, output)
assert.Equal(t, map[string]string{"foo[0]": "bar", "foo[1]": "baz"}, output)
})
t.Run("Val", func(t *testing.T) {
output := map[string]string{}
flatVals(map[string]any{"foo": 1}, output)
assert.Equal(t, map[string]string{"foo": "1"}, output)
})
}
func TestAPIVersions(t *testing.T) {
h, err := NewHelmApp("./testdata/api-versions", nil, false, "", "", "", false)
require.NoError(t, err)
objs, err := template(h, &TemplateOpts{})
require.NoError(t, err)
require.Len(t, objs, 1)
assert.Equal(t, "sample/v1", objs[0].GetAPIVersion())
objs, err = template(h, &TemplateOpts{APIVersions: []string{"sample/v2"}})
require.NoError(t, err)
require.Len(t, objs, 1)
assert.Equal(t, "sample/v2", objs[0].GetAPIVersion())
}
func TestKubeVersionWithSymbol(t *testing.T) {
h, err := NewHelmApp("./testdata/tests", nil, false, "", "", "", false)
require.NoError(t, err)
objs, err := template(h, &TemplateOpts{KubeVersion: "1.30.11+IKS"})
require.NoError(t, err)
require.Len(t, objs, 2)
for _, obj := range objs {
if obj.GetKind() != "ConfigMap" {
continue
}
var configMap corev1.ConfigMap
err := runtime.DefaultUnstructuredConverter.FromUnstructured(obj.Object, &configMap)
require.NoError(t, err)
if data, ok := configMap.Data["kubeVersion"]; ok {
assert.Equal(t, "v1.30.11", data)
return
}
t.Fatal("expected kubeVersion key not found in configMap")
}
}
func TestSkipCrds(t *testing.T) {
h, err := NewHelmApp("./testdata/crds", nil, false, "", "", "", false)
require.NoError(t, err)
objs, err := template(h, &TemplateOpts{SkipCrds: false})
require.NoError(t, err)
require.Len(t, objs, 1)
objs, err = template(h, &TemplateOpts{})
require.NoError(t, err)
require.Len(t, objs, 1)
objs, err = template(h, &TemplateOpts{SkipCrds: true})
require.NoError(t, err)
require.Empty(t, objs)
}
func TestSkipTests(t *testing.T) {
h, err := NewHelmApp("./testdata/tests", nil, false, "", "", "", false)
require.NoError(t, err)
objs, err := template(h, &TemplateOpts{SkipTests: false})
require.NoError(t, err)
require.Len(t, objs, 2)
objs, err = template(h, &TemplateOpts{})
require.NoError(t, err)
require.Len(t, objs, 2)
objs, err = template(h, &TemplateOpts{SkipTests: true})
require.NoError(t, err)
require.Empty(t, objs)
}