/
util.go
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/
util.go
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// Copyright Istio 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 (
"strings"
corev1 "k8s.io/api/core/v1"
"istio.io/api/annotation"
"istio.io/istio/pkg/config/constants"
"istio.io/istio/pkg/test/framework/components/echo"
)
type podSelector struct {
Label string
Value string
}
func (s podSelector) String() string {
return s.Label + "=" + s.Value
}
func (s podSelector) MatchesPod(pod *corev1.Pod) bool {
return pod.ObjectMeta.Labels[s.Label] == s.Value
}
func newPodSelector(cfg echo.Config) podSelector {
label := "app"
if cfg.DeployAsVM {
label = constants.TestVMLabel
}
return podSelector{
Label: label,
Value: cfg.Service,
}
}
func serviceAccount(cfg echo.Config) string {
if cfg.ServiceAccount {
return cfg.Service
}
if cfg.DeployAsVM {
return "default"
}
return ""
}
// workloadHasSidecar returns true if the input endpoint is deployed with sidecar injected based on the config.
func workloadHasSidecar(pod *corev1.Pod) bool {
if strings.HasPrefix(pod.Annotations[annotation.InjectTemplates.Name], "grpc-") {
return false
}
for _, c := range pod.Spec.Containers {
if c.Name == "istio-proxy" {
return true
}
}
for _, c := range pod.Spec.InitContainers {
if c.Name == "istio-proxy" {
return true
}
}
return false
}