f3ccd85891
This commit aims to add registy mirror support similar to docker. The UI is similar to docker where user can provide mirror urls and the image resolves against the provided mirrors before fetching from default docker regitry mirror url. Signed-off-by: abhi <abhi@docker.com>
72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
/*
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Copyright 2018 The Containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// The corresponding file is in containerd/remote/docker/.
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// This package can be removed once a more feasible and hollistic resolver
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// is finalized in containerd.
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package resolver
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import (
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"sync"
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"github.com/containerd/containerd/content"
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"github.com/containerd/containerd/errdefs"
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"github.com/pkg/errors"
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)
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// Status of a content operation
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type Status struct {
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content.Status
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// UploadUUID is used by the Docker registry to reference blob uploads
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UploadUUID string
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}
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// StatusTracker to track status of operations
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type StatusTracker interface {
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GetStatus(string) (Status, error)
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SetStatus(string, Status)
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}
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type memoryStatusTracker struct {
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statuses map[string]Status
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m sync.Mutex
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}
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// NewInMemoryTracker returns a StatusTracker that tracks content status in-memory
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func NewInMemoryTracker() StatusTracker {
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return &memoryStatusTracker{
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statuses: map[string]Status{},
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}
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}
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func (t *memoryStatusTracker) GetStatus(ref string) (Status, error) {
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t.m.Lock()
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defer t.m.Unlock()
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status, ok := t.statuses[ref]
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if !ok {
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return Status{}, errors.Wrapf(errdefs.ErrNotFound, "status for ref %v", ref)
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}
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return status, nil
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}
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func (t *memoryStatusTracker) SetStatus(ref string, status Status) {
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t.m.Lock()
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t.statuses[ref] = status
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t.m.Unlock()
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}
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