nacos-sdk-go/example/config/main.go

136 lines
3.3 KiB
Go

/*
* Copyright 1999-2020 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"fmt"
"time"
"github.com/nacos-group/nacos-sdk-go/v2/clients"
"github.com/nacos-group/nacos-sdk-go/v2/common/constant"
"github.com/nacos-group/nacos-sdk-go/v2/vo"
)
func main() {
//create ServerConfig
sc := []constant.ServerConfig{
*constant.NewServerConfig("127.0.0.1", 8848, constant.WithContextPath("/nacos")),
}
//create ClientConfig
cc := *constant.NewClientConfig(
constant.WithNamespaceId(""),
constant.WithTimeoutMs(5000),
constant.WithNotLoadCacheAtStart(true),
constant.WithLogDir("/tmp/nacos/log"),
constant.WithCacheDir("/tmp/nacos/cache"),
constant.WithLogLevel("debug"),
)
// create config client
client, err := clients.NewConfigClient(
vo.NacosClientParam{
ClientConfig: &cc,
ServerConfigs: sc,
},
)
if err != nil {
panic(err)
}
//publish config
//config key=dataId+group+namespaceId
_, err = client.PublishConfig(vo.ConfigParam{
DataId: "test-data",
Group: "test-group",
Content: "hello world!",
})
_, err = client.PublishConfig(vo.ConfigParam{
DataId: "test-data-2",
Group: "test-group",
Content: "hello world!",
})
if err != nil {
fmt.Printf("PublishConfig err:%+v \n", err)
}
time.Sleep(1 * time.Second)
//get config
content, err := client.GetConfig(vo.ConfigParam{
DataId: "test-data",
Group: "test-group",
})
fmt.Println("GetConfig,config :" + content)
//Listen config change,key=dataId+group+namespaceId.
err = client.ListenConfig(vo.ConfigParam{
DataId: "test-data",
Group: "test-group",
OnChange: func(namespace, group, dataId, data string) {
fmt.Println("config changed group:" + group + ", dataId:" + dataId + ", content:" + data)
},
})
err = client.ListenConfig(vo.ConfigParam{
DataId: "test-data-2",
Group: "test-group",
OnChange: func(namespace, group, dataId, data string) {
fmt.Println("config changed group:" + group + ", dataId:" + dataId + ", content:" + data)
},
})
time.Sleep(1 * time.Second)
_, err = client.PublishConfig(vo.ConfigParam{
DataId: "test-data",
Group: "test-group",
Content: "test-listen",
})
time.Sleep(1 * time.Second)
_, err = client.PublishConfig(vo.ConfigParam{
DataId: "test-data-2",
Group: "test-group",
Content: "test-listen",
})
time.Sleep(2 * time.Second)
//cancel config change
err = client.CancelListenConfig(vo.ConfigParam{
DataId: "test-data",
Group: "test-group",
})
time.Sleep(1 * time.Second)
_, err = client.DeleteConfig(vo.ConfigParam{
DataId: "test-data",
Group: "test-group",
})
time.Sleep(1 * time.Second)
searchPage, _ := client.SearchConfig(vo.SearchConfigParm{
Search: "blur",
DataId: "",
Group: "",
PageNo: 1,
PageSize: 10,
})
fmt.Printf("Search config:%+v \n", searchPage)
}