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etcd.go
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etcd.go
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// Copyright 2020 Douyu
//
// 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 etcd
import (
"container/list"
"errors"
"github.com/douyu/juno-agent/pkg/structs"
"github.com/douyu/jupiter/pkg/client/etcdv3"
"github.com/douyu/jupiter/pkg/util/xgo"
)
var (
// ErrEnvPass ...
ErrEnvPass = errors.New("env pass")
)
// DataSource etcd conf datasource
type DataSource struct {
etcdClient *etcdv3.Client
prefix string
// 用于记录长轮训的应用信息
jm list.List // *job
}
// configNode etcd node chan info
type configNode struct {
key string
ch chan *structs.ConfNode
}
// NewETCDDataSource ...
func NewETCDDataSource(prometheusTargetGenConfig PluginRegProxyPrometheus) *DataSource {
dataSource := &DataSource{
etcdClient: etcdv3.StdConfig("register").Build(),
}
if prometheusTargetGenConfig.Enable {
dataSource.PrometheusConfigScanner(prometheusTargetGenConfig.Path)
xgo.Go(func() {
dataSource.watchPrometheus(prometheusTargetGenConfig.Path)
})
}
return dataSource
}
// GetClient ..
func (d *DataSource) GetClient() *etcdv3.Client {
return d.etcdClient
}