7b2a918213
Remove containerd specific parts of the plugin package to prepare its move out of the main repository. Separate the plugin registration singleton into a separate package. Separating out the plugin package and registration makes it easier to implement external plugins without creating a dependency loop. Signed-off-by: Derek McGowan <derek@mcg.dev>
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
/*
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Copyright 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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package content
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import (
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"errors"
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"github.com/containerd/containerd/content"
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"github.com/containerd/containerd/plugin"
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"github.com/containerd/containerd/plugin/registry"
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"github.com/containerd/containerd/plugins"
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"github.com/containerd/containerd/services"
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"github.com/containerd/containerd/services/content/contentserver"
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)
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func init() {
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registry.Register(&plugin.Registration{
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Type: plugins.GRPCPlugin,
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ID: "content",
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Requires: []plugin.Type{
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plugins.ServicePlugin,
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},
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InitFn: func(ic *plugin.InitContext) (interface{}, error) {
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plugins, err := ic.GetByType(plugins.ServicePlugin)
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if err != nil {
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return nil, err
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}
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p, ok := plugins[services.ContentService]
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if !ok {
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return nil, errors.New("content store service not found")
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}
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cs, err := p.Instance()
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if err != nil {
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return nil, err
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}
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return contentserver.New(cs.(content.Store)), nil
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},
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})
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}
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