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sidecar.go
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sidecar.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 echo
import (
admin "github.com/envoyproxy/go-control-plane/envoy/admin/v3"
"istio.io/istio/pkg/test"
"istio.io/istio/pkg/test/util/retry"
)
// Sidecar provides an interface to execute queries against a single Envoy sidecar.
type Sidecar interface {
// Info about the Envoy instance.
Info() (*admin.ServerInfo, error)
InfoOrFail(t test.Failer) *admin.ServerInfo
// Config of the Envoy instance.
Config() (*admin.ConfigDump, error)
ConfigOrFail(t test.Failer) *admin.ConfigDump
// WaitForConfig queries the Envoy configuration an executes the given accept handler. If the
// response is not accepted, the request will be retried until either a timeout or a response
// has been accepted.
WaitForConfig(accept func(*admin.ConfigDump) (bool, error), options ...retry.Option) error
WaitForConfigOrFail(t test.Failer, accept func(*admin.ConfigDump) (bool, error), options ...retry.Option)
// Clusters for the Envoy instance
Clusters() (*admin.Clusters, error)
ClustersOrFail(t test.Failer) *admin.Clusters
// Listeners for the Envoy instance
Listeners() (*admin.Listeners, error)
ListenersOrFail(t test.Failer) *admin.Listeners
// Logs returns the logs for the sidecar container
Logs() (string, error)
// LogsOrFail returns the logs for the sidecar container, or aborts if an error is found
LogsOrFail(t test.Failer) string
}