48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package remote
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import (
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"fmt"
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)
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// Client is the interface that must be implemented for a remote state
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// driver. It supports dumb put/get/delete, and the higher level structs
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// handle persisting the state properly here.
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type Client interface {
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Get() (*Payload, error)
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Put([]byte) error
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Delete() error
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}
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// Payload is the return value from the remote state storage.
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type Payload struct {
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MD5 []byte
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Data []byte
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}
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// Factory is the factory function to create a remote client.
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type Factory func(map[string]string) (Client, error)
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// NewClient returns a new Client with the given type and configuration.
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// The client is looked up in the BuiltinClients variable.
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func NewClient(t string, conf map[string]string) (Client, error) {
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f, ok := BuiltinClients[t]
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if !ok {
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return nil, fmt.Errorf("unknown remote client type: %s", t)
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}
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return f(conf)
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}
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// BuiltinClients is the list of built-in clients that can be used with
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// NewClient.
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var BuiltinClients = map[string]Factory{
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"atlas": atlasFactory,
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"consul": consulFactory,
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"http": httpFactory,
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"s3": s3Factory,
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"swift": swiftFactory,
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// This is used for development purposes only.
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"_local": fileFactory,
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}
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