97 lines
1.8 KiB
Go
97 lines
1.8 KiB
Go
// Package consul is a consul implementation of kv
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package consul
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import (
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"fmt"
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"net"
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"github.com/hashicorp/consul/api"
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"github.com/micro/go-micro/config/options"
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"github.com/micro/go-micro/data/store"
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)
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type ckv struct {
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options.Options
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client *api.Client
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}
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func (c *ckv) Read(key string) (*store.Record, error) {
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keyval, _, err := c.client.KV().Get(key, nil)
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if err != nil {
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return nil, err
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}
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if keyval == nil {
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return nil, store.ErrNotFound
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}
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return &store.Record{
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Key: keyval.Key,
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Value: keyval.Value,
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}, nil
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}
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func (c *ckv) Delete(key string) error {
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_, err := c.client.KV().Delete(key, nil)
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return err
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}
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func (c *ckv) Write(record *store.Record) error {
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_, err := c.client.KV().Put(&api.KVPair{
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Key: record.Key,
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Value: record.Value,
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}, nil)
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return err
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}
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func (c *ckv) Dump() ([]*store.Record, error) {
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keyval, _, err := c.client.KV().List("/", nil)
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if err != nil {
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return nil, err
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}
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if keyval == nil {
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return nil, store.ErrNotFound
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}
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var vals []*store.Record
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for _, keyv := range keyval {
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vals = append(vals, &store.Record{
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Key: keyv.Key,
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Value: keyv.Value,
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})
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}
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return vals, nil
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}
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func (c *ckv) String() string {
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return "consul"
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}
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func NewStore(opts ...options.Option) store.Store {
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options := options.NewOptions(opts...)
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config := api.DefaultConfig()
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var nodes []string
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if n, ok := options.Values().Get("store.nodes"); ok {
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nodes = n.([]string)
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}
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// set host
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if len(nodes) > 0 {
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addr, port, err := net.SplitHostPort(nodes[0])
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if ae, ok := err.(*net.AddrError); ok && ae.Err == "missing port in address" {
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port = "8500"
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config.Address = fmt.Sprintf("%s:%s", nodes[0], port)
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} else if err == nil {
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config.Address = fmt.Sprintf("%s:%s", addr, port)
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}
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}
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client, _ := api.NewClient(config)
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return &ckv{
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Options: options,
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client: client,
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}
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}
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