traefik/vendor/github.com/docker/libkv/libkv.go

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2017-02-07 21:33:23 +00:00
package libkv
import (
"fmt"
"sort"
"strings"
"github.com/docker/libkv/store"
)
// Initialize creates a new Store object, initializing the client
type Initialize func(addrs []string, options *store.Config) (store.Store, error)
var (
// Backend initializers
initializers = make(map[store.Backend]Initialize)
supportedBackend = func() string {
keys := make([]string, 0, len(initializers))
for k := range initializers {
keys = append(keys, string(k))
}
sort.Strings(keys)
return strings.Join(keys, ", ")
}()
)
// NewStore creates an instance of store
func NewStore(backend store.Backend, addrs []string, options *store.Config) (store.Store, error) {
if init, exists := initializers[backend]; exists {
return init(addrs, options)
}
return nil, fmt.Errorf("%s %s", store.ErrBackendNotSupported.Error(), supportedBackend)
}
// AddStore adds a new store backend to libkv
func AddStore(store store.Backend, init Initialize) {
initializers[store] = init
}