You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
helm/pkg/kube/kwait_test.go

122 lines
3.1 KiB

/*
Copyright The Helm Authors.
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 kube // import "helm.sh/helm/v3/pkg/kube"
import (
"errors"
"fmt"
"testing"
"time"
"github.com/stretchr/testify/require"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/yaml"
dynamicfake "k8s.io/client-go/dynamic/fake"
"k8s.io/kubectl/pkg/scheme"
"sigs.k8s.io/cli-utils/pkg/kstatus/watcher"
"sigs.k8s.io/cli-utils/pkg/testutil"
)
var podCurrentYaml = `
apiVersion: v1
kind: Pod
metadata:
name: good-pod
namespace: ns
status:
conditions:
- type: Ready
status: "True"
phase: Running
`
var podYaml = `
apiVersion: v1
kind: Pod
metadata:
name: in-progress-pod
namespace: ns
`
func TestRunHealthChecks(t *testing.T) {
t.Parallel()
tests := []struct {
name string
podYamls []string
expectErrs []error
}{
{
name: "Pod is ready",
podYamls: []string{podCurrentYaml},
expectErrs: nil,
},
{
name: "one of the pods never becomes ready",
podYamls: []string{podYaml, podCurrentYaml},
// TODO, make this better
expectErrs: []error{errors.New("not all resources ready: context deadline exceeded: in-progress-pod: Pod not ready, status: InProgress")},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
c := newTestClient(t)
fakeClient := dynamicfake.NewSimpleDynamicClient(scheme.Scheme)
fakeMapper := testutil.NewFakeRESTMapper(
v1.SchemeGroupVersion.WithKind("Pod"),
)
pods := []runtime.Object{}
statusWatcher := watcher.NewDefaultStatusWatcher(fakeClient, fakeMapper)
for _, podYaml := range tt.podYamls {
m := make(map[string]interface{})
err := yaml.Unmarshal([]byte(podYaml), &m)
require.NoError(t, err)
pod := &unstructured.Unstructured{Object: m}
pods = append(pods, pod)
fmt.Println(pod.GetName())
podGVR := schema.GroupVersionResource{Group: "", Version: "v1", Resource: "pods"}
err = fakeClient.Tracker().Create(podGVR, pod, pod.GetNamespace())
require.NoError(t, err)
}
c.Waiter = &kstatusWaiter{
sw: statusWatcher,
log: c.Log,
}
resourceList := ResourceList{}
for _, pod := range pods {
list, err := c.Build(objBody(pod), false)
if err != nil {
t.Fatal(err)
}
resourceList = append(resourceList, list...)
}
err := c.Wait(resourceList, time.Second*5)
if tt.expectErrs != nil {
require.EqualError(t, err, errors.Join(tt.expectErrs...).Error())
return
}
require.NoError(t, err)
})
}
}