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38 lines
1 KiB
Go
38 lines
1 KiB
Go
package provider
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import (
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"context"
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"github.com/grafana/grafana/pkg/plugins"
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"github.com/grafana/grafana/pkg/plugins/backendplugin"
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"github.com/grafana/grafana/pkg/plugins/backendplugin/grpcplugin"
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)
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// PluginBackendProvider is a function type for initializing a Plugin backend.
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type PluginBackendProvider func(_ context.Context, _ *plugins.Plugin) backendplugin.PluginFactoryFunc
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type Service struct {
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providerChain []PluginBackendProvider
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}
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func New(providers ...PluginBackendProvider) *Service {
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if len(providers) == 0 {
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return New(DefaultProvider)
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}
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return &Service{
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providerChain: providers,
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}
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}
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func (s *Service) BackendFactory(ctx context.Context, p *plugins.Plugin) backendplugin.PluginFactoryFunc {
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for _, provider := range s.providerChain {
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if factory := provider(ctx, p); factory != nil {
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return factory
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}
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}
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return nil
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}
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var DefaultProvider = PluginBackendProvider(func(_ context.Context, p *plugins.Plugin) backendplugin.PluginFactoryFunc {
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return grpcplugin.NewBackendPlugin(p.ID, p.ExecutablePath(), p.SkipHostEnvVars)
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})
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