52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
package solver
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import (
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"context"
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"time"
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digest "github.com/opencontainers/go-digest"
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"github.com/pkg/errors"
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)
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var ErrNotFound = errors.Errorf("not found")
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// CacheKeyStorage is interface for persisting cache metadata
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type CacheKeyStorage interface {
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Exists(id string) bool
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Walk(fn func(id string) error) error
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WalkResults(id string, fn func(CacheResult) error) error
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Load(id string, resultID string) (CacheResult, error)
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AddResult(id string, res CacheResult) error
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Release(resultID string) error
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WalkIDsByResult(resultID string, fn func(string) error) error
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AddLink(id string, link CacheInfoLink, target string) error
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WalkLinks(id string, link CacheInfoLink, fn func(id string) error) error
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HasLink(id string, link CacheInfoLink, target string) bool
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WalkBacklinks(id string, fn func(id string, link CacheInfoLink) error) error
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}
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// CacheResult is a record for a single solve result
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type CacheResult struct {
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CreatedAt time.Time
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ID string
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}
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// CacheInfoLink is a link between two cache keys
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type CacheInfoLink struct {
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Input Index `json:"Input,omitempty"`
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Output Index `json:"Output,omitempty"`
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Digest digest.Digest `json:"Digest,omitempty"`
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Selector digest.Digest `json:"Selector,omitempty"`
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}
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// CacheResultStorage is interface for converting cache metadata result to
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// actual solve result
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type CacheResultStorage interface {
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Save(Result) (CacheResult, error)
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Load(ctx context.Context, res CacheResult) (Result, error)
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LoadRemote(ctx context.Context, res CacheResult) (*Remote, error)
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Exists(id string) bool
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}
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