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helpers.go
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/
helpers.go
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/*
Copyright 2015 Google Inc. All rights reserved.
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 container
import (
"strings"
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/probe"
)
// HandlerRunner runs a lifecycle handler for a container.
type HandlerRunner interface {
Run(containerID string, pod *api.Pod, container *api.Container, handler *api.Handler) error
}
// Prober checks the healthiness of a container.
type Prober interface {
Probe(pod *api.Pod, status api.PodStatus, container api.Container, containerID string, createdAt int64) (probe.Result, error)
}
// RunContainerOptionsGenerator generates the options that necessary for
// container runtime to run a container.
// TODO(yifan): Remove netMode, ipcMode.
type RunContainerOptionsGenerator interface {
GenerateRunContainerOptions(pod *api.Pod, container *api.Container, netMode, ipcMode string) (*RunContainerOptions, error)
}
// Trims runtime prefix from image name (e.g.: docker://busybox -> busybox).
func TrimRuntimePrefixFromImage(img string) string {
const prefixSeparator = "://"
idx := strings.Index(img, prefixSeparator)
if idx < 0 {
return img
}
return img[idx+len(prefixSeparator):]
}