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Update plugin load and snapshot service

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Allow plugins to be mapped and returned by their ID.
Add skip plugin to allow plugins to decide whether they should
be loaded.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan
2017-06-27 16:55:50 -07:00
parent 5b105f86ce
commit 3db8adc5d7
11 changed files with 82 additions and 47 deletions
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13
plugin/context.go
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@@ -9,7 +9,7 @@ import (
"github.com/containerd/containerd/log"
)
func NewContext(ctx context.Context, plugins map[PluginType][]interface{}, root, id string) *InitContext {
func NewContext(ctx context.Context, plugins map[PluginType]map[string]interface{}, root, id string) *InitContext {
return &InitContext{
plugins: plugins,
Root: filepath.Join(root, id),
@@ -23,18 +23,17 @@ type InitContext struct {
Config interface{}
Emitter *events.Emitter
plugins map[PluginType][]interface{}
plugins map[PluginType]map[string]interface{}
}
func (i *InitContext) Get(t PluginType) (interface{}, error) {
p := i.plugins[t]
if len(p) == 0 {
return nil, fmt.Errorf("no plugins registered for %s", t)
for _, v := range i.plugins[t] {
return v, nil
}
return p[0], nil
return nil, fmt.Errorf("no plugins registered for %s", t)
}
func (i *InitContext) GetAll(t PluginType) ([]interface{}, error) {
func (i *InitContext) GetAll(t PluginType) (map[string]interface{}, error) {
p, ok := i.plugins[t]
if !ok {
return nil, fmt.Errorf("no plugins registered for %s", t)