istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/test/framework/components/echo/kube/util.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package kube
    16  
    17  import (
    18  	"strings"
    19  
    20  	corev1 "k8s.io/api/core/v1"
    21  
    22  	"istio.io/api/annotation"
    23  	"istio.io/istio/pkg/config/constants"
    24  	"istio.io/istio/pkg/test/framework/components/echo"
    25  )
    26  
    27  type podSelector struct {
    28  	Label string
    29  	Value string
    30  }
    31  
    32  func (s podSelector) String() string {
    33  	return s.Label + "=" + s.Value
    34  }
    35  
    36  func (s podSelector) MatchesPod(pod *corev1.Pod) bool {
    37  	return pod.ObjectMeta.Labels[s.Label] == s.Value
    38  }
    39  
    40  func newPodSelector(cfg echo.Config) podSelector {
    41  	label := "app"
    42  	if cfg.DeployAsVM {
    43  		label = constants.TestVMLabel
    44  	}
    45  	return podSelector{
    46  		Label: label,
    47  		Value: cfg.Service,
    48  	}
    49  }
    50  
    51  func serviceAccount(cfg echo.Config) string {
    52  	if cfg.ServiceAccount {
    53  		return cfg.Service
    54  	}
    55  	if cfg.DeployAsVM {
    56  		return "default"
    57  	}
    58  	return ""
    59  }
    60  
    61  // workloadHasSidecar returns true if the input endpoint is deployed with sidecar injected based on the config.
    62  func workloadHasSidecar(pod *corev1.Pod) bool {
    63  	if strings.HasPrefix(pod.Annotations[annotation.InjectTemplates.Name], "grpc-") {
    64  		return false
    65  	}
    66  	for _, c := range pod.Spec.Containers {
    67  		if c.Name == "istio-proxy" {
    68  			return true
    69  		}
    70  	}
    71  	for _, c := range pod.Spec.InitContainers {
    72  		if c.Name == "istio-proxy" {
    73  			return true
    74  		}
    75  	}
    76  	return false
    77  }