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kratos/contrib/config/etcd
dependabot[bot] 878eca54ab build(deps): bump google.golang.org/grpc in /contrib/config/etcd (#2453)
Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.46.2 to 1.50.1.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.46.2...v1.50.1)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2022-11-10 11:26:23 +08:00
..
2022-09-27 14:08:08 +08:00
2022-09-27 14:08:08 +08:00

Etcd Config

import (
	"log"

	clientv3 "go.etcd.io/etcd/client/v3"
	"google.golang.org/grpc"

	cfg "github.com/go-kratos/kratos/contrib/config/etcd/v2"
	"github.com/go-kratos/kratos/v2/config"
)

// create an etcd client
client, err := clientv3.New(clientv3.Config{
    Endpoints:   []string{"127.0.0.1:2379"},
    DialTimeout: time.Second,
    DialOptions: []grpc.DialOption{grpc.WithBlock()},
})
if err != nil {
    log.Fatal(err)
}

// configure the source, "path" is required
source, err := cfg.New(client, cfg.WithPath("/app-config"), cfg.WithPrefix(true))
if err != nil {
    log.Fatalln(err)
}

// create a config instance with source
c := config.New(config.WithSource(source))
defer c.Close()

// load sources before get
if err := c.Load(); err != nil {
    log.Fatalln(err)
}

// acquire config value
foo, err := c.Value("/app-config").String()
if err != nil {
    log.Fatalln(err)
}

log.Println(foo)