49 lines
907 B
Go
49 lines
907 B
Go
package source
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import (
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"sync"
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"github.com/moby/buildkit/cache"
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"github.com/pkg/errors"
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"golang.org/x/net/context"
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)
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type Source interface {
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ID() string
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Resolve(ctx context.Context, id Identifier) (SourceInstance, error)
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}
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type SourceInstance interface {
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CacheKey(ctx context.Context) (string, error)
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Snapshot(ctx context.Context) (cache.ImmutableRef, error)
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}
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type Manager struct {
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mu sync.Mutex
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sources map[string]Source
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}
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func NewManager() (*Manager, error) {
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return &Manager{
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sources: make(map[string]Source),
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}, nil
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}
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func (sm *Manager) Register(src Source) {
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sm.mu.Lock()
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sm.sources[src.ID()] = src
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sm.mu.Unlock()
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}
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func (sm *Manager) Resolve(ctx context.Context, id Identifier) (SourceInstance, error) {
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sm.mu.Lock()
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src, ok := sm.sources[id.ID()]
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sm.mu.Unlock()
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if !ok {
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return nil, errors.Errorf("no handler for %s", id.ID())
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}
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return src.Resolve(ctx, id)
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}
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