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forwarder.go
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forwarder.go
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/*
* Copyright 2020 The Knative 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 prober
import (
"fmt"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
testlib "knative.dev/eventing/test/lib"
"knative.dev/eventing/test/lib/duck"
"knative.dev/eventing/test/lib/resources"
"knative.dev/eventing/test/upgrade/prober/wathola/forwarder"
)
func (p *prober) deployForwarder() {
p.log.Infof("Deploy forwarder knative service: %v", forwarder.Name)
serving := p.client.Dynamic.Resource(resources.KServicesGVR).Namespace(p.client.Namespace)
service := p.forwarderKService(forwarder.Name, p.client.Namespace)
if _, err := serving.Create(p.config.Ctx, service, metav1.CreateOptions{}); err != nil {
p.client.T.Fatal(err)
}
sc := p.servingClient()
testlib.WaitFor(fmt.Sprintf("forwarder ksvc be ready: %v", forwarder.Name), func() error {
return duck.WaitForKServiceReady(sc, forwarder.Name, p.client.Namespace)
})
if p.config.Serving.ScaleToZero {
testlib.WaitFor(fmt.Sprintf("forwarder scales to zero: %v", forwarder.Name), func() error {
return duck.WaitForKServiceScales(p.config.Ctx, sc, forwarder.Name, p.client.Namespace, func(scale int) bool {
return scale == 0
})
})
}
}
func (p *prober) removeForwarder() {
p.log.Infof("Remove forwarder knative service: %v", forwarder.Name)
serving := p.client.Dynamic.Resource(resources.KServicesGVR).Namespace(p.client.Namespace)
err := serving.Delete(p.config.Ctx, forwarder.Name, metav1.DeleteOptions{})
p.ensureNoError(err)
}
func (p *prober) forwarderKService(name, namespace string) *unstructured.Unstructured {
obj := map[string]interface{}{
"apiVersion": resources.KServiceType.APIVersion,
"kind": resources.KServiceType.Kind,
"metadata": map[string]interface{}{
"name": name,
"namespace": namespace,
"labels": map[string]string{
"networking.knative.dev/visibility": "cluster-local",
},
},
"spec": map[string]interface{}{
"template": map[string]interface{}{
"metadata": map[string]interface{}{
"annotations": map[string]interface{}{
"sidecar.istio.io/inject": "true",
"sidecar.istio.io/rewriteAppHTTPProbers": "true",
"proxy.istio.io/config": `{ "holdApplicationUntilProxyStarts": true }`,
},
},
"spec": map[string]interface{}{
"containers": []map[string]interface{}{{
"name": forwarder.Name,
"image": p.config.ImageResolver(forwarder.Name),
"volumeMounts": []map[string]interface{}{{
"name": p.config.ConfigMapName,
"mountPath": p.config.ConfigMountPoint,
"readOnly": true,
}},
"readinessProbe": map[string]interface{}{
"httpGet": map[string]interface{}{
"path": p.config.HealthEndpoint,
},
},
}},
"volumes": []map[string]interface{}{{
"name": p.config.ConfigMapName,
"configMap": map[string]interface{}{
"name": p.config.ConfigMapName,
},
}},
},
},
},
}
return &unstructured.Unstructured{Object: obj}
}