88 lines
1.5 KiB
Go
88 lines
1.5 KiB
Go
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package cluster
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import (
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"fmt"
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"strings"
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)
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var clusterTypes map[string]Cluster
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func init() {
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clusterTypes = make(map[string]Cluster)
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RegisterCluster("none", &clusterNone{})
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}
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func RegisterCluster(engine string, cluster Cluster) {
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clusterTypes[engine] = cluster
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}
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// Info struct contains cluster info
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type Info struct {
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BlockSize uint32
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Mode string
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}
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// Member struct contains info about cluster member
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type Member struct {
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UUID []byte
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Name string
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Network string
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Host string
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Port string
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}
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// Cluster represents cluster interface
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type Cluster interface {
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Start() error
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Stop() error
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Configure(interface{}) error
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// Format() error
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// Check() error
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// Recover() error
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// Info() (*Info, error)
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// Snapshot() error
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// Reweight() error
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// Members() []Member
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}
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func New(ctype string, cfg interface{}) (Cluster, error) {
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var err error
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cluster, ok := clusterTypes[ctype]
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if !ok {
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return nil, fmt.Errorf("unknown cluster type %s. only %s supported", ctype, strings.Join(ClusterTypes(), ","))
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}
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if cfg == nil {
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return cluster, nil
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}
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err = cluster.Configure(cfg)
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if err != nil {
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return nil, err
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}
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return cluster, nil
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}
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func ClusterTypes() []string {
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var ctypes []string
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for ctype, _ := range clusterTypes {
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ctypes = append(ctypes, ctype)
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}
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return ctypes
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}
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type clusterNone struct{}
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func (c *clusterNone) Configure(data interface{}) error {
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return nil
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}
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func (c *clusterNone) Start() error {
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return nil
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}
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func (c *clusterNone) Stop() error {
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return nil
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}
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