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Add yaml config example (#2203)

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* examples: add yaml config

* examples: update go mod for yaml plugin
This commit is contained in:
Qiu Yu 2021-08-11 05:31:29 -07:00 committed by GitHub
parent 3e0411a3f6
commit a46dc0b856
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5 changed files with 71 additions and 0 deletions
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9
examples/config/yaml/README.md Normal file
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@ -0,0 +1,9 @@
# Yaml Config
This is an example of reading yaml config in a file.
## Usage
```bash
go run main.go
```

7
examples/config/yaml/config.yaml Normal file
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@ -0,0 +1,7 @@
hosts:
database:
address: 10.0.0.1
port: 3306
cache:
address: 10.0.0.2
port: 6379

51
examples/config/yaml/main.go Normal file
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@ -0,0 +1,51 @@
package main
import (
"fmt"
yaml "github.com/asim/go-micro/plugins/config/encoder/yaml/v3"
"github.com/asim/go-micro/v3/config"
"github.com/asim/go-micro/v3/config/reader"
"github.com/asim/go-micro/v3/config/reader/json"
"github.com/asim/go-micro/v3/config/source/file"
)
func main() {
// new yaml encoder
enc := yaml.NewEncoder()
// new config
c, _ := config.NewConfig(
config.WithReader(
json.NewReader( // json reader for internal config merge
reader.WithEncoder(enc),
),
),
)
// load the config from a file source
if err := c.Load(file.NewSource(
file.WithPath("./config.yaml"),
)); err != nil {
fmt.Println(err)
return
}
fmt.Println("data", c.Map())
// define our own host type
type Host struct {
Address string `json:"address"`
Port int `json:"port"`
}
var host Host
// read a database host
if err := c.Get("hosts", "database").Scan(&host); err != nil {
fmt.Println(err)
return
}
fmt.Println(host.Address, host.Port)
}

1
examples/go.mod
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@ -5,6 +5,7 @@ go 1.16
require (
github.com/asim/go-micro/plugins/client/http/v3 v3.0.0-20210403073940-e7a7e3a05092
github.com/asim/go-micro/plugins/config/encoder/toml/v3 v3.0.0-20210403073940-e7a7e3a05092
github.com/asim/go-micro/plugins/config/encoder/yaml/v3 v3.0.0-20210804083901-3e0411a3f61b // indirect
github.com/asim/go-micro/plugins/config/source/grpc/v3 v3.0.0-20210403073940-e7a7e3a05092
github.com/asim/go-micro/plugins/server/http/v3 v3.0.0-20210403073940-e7a7e3a05092
github.com/asim/go-micro/plugins/wrapper/select/roundrobin/v3 v3.0.0-20210403073940-e7a7e3a05092

3
examples/go.sum
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@ -89,6 +89,8 @@ github.com/asim/go-micro/plugins/client/http/v3 v3.0.0-20210403073940-e7a7e3a050
github.com/asim/go-micro/plugins/client/http/v3 v3.0.0-20210403073940-e7a7e3a05092/go.mod h1:Ku9ESaA5G1BIU9CYYM+nXxIDoDt+7X4lJse/iU0R7dI=
github.com/asim/go-micro/plugins/config/encoder/toml/v3 v3.0.0-20210403073940-e7a7e3a05092 h1:IlS6vW3jvmJjk5HryWgVP+0uYloKqossvbGiQ4nyXKg=
github.com/asim/go-micro/plugins/config/encoder/toml/v3 v3.0.0-20210403073940-e7a7e3a05092/go.mod h1:D+mkq2EASL7nsd7UNLpKZZsuhCnxladX3sfM/gmcW+M=
github.com/asim/go-micro/plugins/config/encoder/yaml/v3 v3.0.0-20210804083901-3e0411a3f61b h1:4BLu8EYJyOJ66BQHPLtQYGuxe1pbpvxYLjPWCnwWSY4=
github.com/asim/go-micro/plugins/config/encoder/yaml/v3 v3.0.0-20210804083901-3e0411a3f61b/go.mod h1:yXyEK7d097bwYcWdjZHwX07kC9kKNSNKmo9z2Kf8Zj4=
github.com/asim/go-micro/plugins/config/source/grpc/v3 v3.0.0-20210403073940-e7a7e3a05092 h1:h8VnyFBH1JyrN76rxqpBmXratAEc7D/goWUweA1W8CM=
github.com/asim/go-micro/plugins/config/source/grpc/v3 v3.0.0-20210403073940-e7a7e3a05092/go.mod h1:zQevfYGVnE3ojeKbuiawb/vU+TuolXSVilxu9Nyhr/g=
github.com/asim/go-micro/plugins/registry/memory/v3 v3.0.0-20210202145831-070250155285 h1:zgDzypD412DKHoXIXW1JwIOWoGcjxzI1iF6JmwtyqHw=
@ -206,6 +208,7 @@ github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4
github.com/fsouza/go-dockerclient v1.6.0/go.mod h1:YWwtNPuL4XTX1SKJQk86cWPmmqwx+4np9qfPbb+znGc=
github.com/fsouza/go-dockerclient v1.7.3/go.mod h1:8xfZB8o9SptLNJ13VoV5pMiRbZGWkU/Omu5VOu/KC9Y=
github.com/getkin/kin-openapi v0.13.0/go.mod h1:WGRs2ZMM1Q8LR1QBEwUxC6RJEfaBcD0s+pcEVXFuAjw=
github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=