kubernetes types 源码
kubernetes types 代码
文件路径：/pkg/kubelet/images/types.go
/*
Copyright 2016 The Kubernetes 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 images
import (
"errors"
"k8s.io/api/core/v1"
runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
)
var (
// ErrImagePullBackOff - Container image pull failed, kubelet is backing off image pull
ErrImagePullBackOff = errors.New("ImagePullBackOff")
// ErrImageInspect - Unable to inspect image
ErrImageInspect = errors.New("ImageInspectError")
// ErrImagePull - General image pull error
ErrImagePull = errors.New("ErrImagePull")
// ErrImageNeverPull - Required Image is absent on host and PullPolicy is NeverPullImage
ErrImageNeverPull = errors.New("ErrImageNeverPull")
// ErrRegistryUnavailable - Get http error when pulling image from registry
ErrRegistryUnavailable = errors.New("RegistryUnavailable")
// ErrInvalidImageName - Unable to parse the image name.
ErrInvalidImageName = errors.New("InvalidImageName")
)
// ImageManager provides an interface to manage the lifecycle of images.
// Implementations of this interface are expected to deal with pulling (downloading),
// managing, and deleting container images.
// Implementations are expected to abstract the underlying runtimes.
// Implementations are expected to be thread safe.
type ImageManager interface {
// EnsureImageExists ensures that image specified in `container` exists.
EnsureImageExists(pod *v1.Pod, container *v1.Container, pullSecrets []v1.Secret, podSandboxConfig *runtimeapi.PodSandboxConfig) (string, string, error)
// TODO(ronl): consolidating image managing and deleting operation in this interface
}
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