/
env.go
53 lines (47 loc) · 1.14 KB
/
env.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 report
import (
"fmt"
"os"
)
var (
// AppIP agent ip
appIP = GetIP()
// HostName machine hostname
hostName = GetHostName("")
)
// GetHostName ...
func GetHostName(hostName string) string {
if host := os.Getenv(hostName); host != "" {
return host
}
name, err := os.Hostname()
if err != nil {
return fmt.Sprintf("error:%s", err.Error())
}
return name
}
// GetIP ...
func GetIP() string {
ip, err := IP()
if err != nil {
return fmt.Sprintf("ip.error:%s", err.Error())
}
return ip
}
// ReturnHostName ..
func ReturnHostName() string {
return hostName
}