istio.io/istio@v0.0.0-20240520182934-d79c90f27776/tests/integration/ambient/untaint/untaint_test.go (about)

     1  //go:build integ
     2  // +build integ
     3  
     4  // Copyright Istio Authors
     5  //
     6  // Licensed under the Apache License, Version 2.0 (the "License");
     7  // you may not use this file except in compliance with the License.
     8  // You may obtain a copy of the License at
     9  //
    10  //     http://www.apache.org/licenses/LICENSE-2.0
    11  //
    12  // Unless required by applicable law or agreed to in writing, software
    13  // distributed under the License is distributed on an "AS IS" BASIS,
    14  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15  // See the License for the specific language governing permissions and
    16  // limitations under the License.
    17  
    18  package untaint
    19  
    20  import (
    21  	"fmt"
    22  	"testing"
    23  	"time"
    24  
    25  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    26  
    27  	"istio.io/istio/pkg/test/framework"
    28  	"istio.io/istio/pkg/test/util/retry"
    29  )
    30  
    31  func TestTaintsRemoved(t *testing.T) {
    32  	framework.
    33  		NewTest(t).
    34  		Run(func(ctx framework.TestContext) {
    35  			// make cni not deploy to one of the nodes
    36  			taintNodes(ctx)
    37  
    38  			// make sure all nodes were untainted
    39  			retry.UntilSuccessOrFail(t, func() error {
    40  				nodeC := ctx.Clusters().Default().Kube().CoreV1().Nodes()
    41  				nodes, err := nodeC.List(ctx.Context(), metav1.ListOptions{})
    42  				if err != nil {
    43  					return err
    44  				}
    45  
    46  				for _, node := range nodes.Items {
    47  					for _, taint := range node.Spec.Taints {
    48  						if taint.Key == "cni.istio.io/not-ready" {
    49  							return fmt.Errorf("node %v still has taint %v", node.Name, taint)
    50  						}
    51  					}
    52  				}
    53  				return nil
    54  			}, retry.Delay(1*time.Second), retry.Timeout(80*time.Second))
    55  		})
    56  }