forked from aws/aws-sdk-go-v2
/
user_agent_handlers.go
36 lines (30 loc) · 942 Bytes
/
user_agent_handlers.go
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package defaults
import (
"os"
"runtime"
"github.com/aws/aws-sdk-go-v2/aws"
)
// SDKVersionUserAgentHandler is a request handler for adding the SDK Version
// to the user agent.
var SDKVersionUserAgentHandler = aws.NamedHandler{
Name: "core.SDKVersionUserAgentHandler",
Fn: aws.MakeAddToUserAgentHandler(aws.SDKName, aws.SDKVersion,
runtime.Version(), runtime.GOOS, runtime.GOARCH),
}
const execEnvVar = `AWS_EXECUTION_ENV`
const execEnvUAKey = `exec_env`
// AddHostExecEnvUserAgentHander is a request handler appending the SDK's
// execution environment to the user agent.
//
// If the environment variable AWS_EXECUTION_ENV is set, its value will be
// appended to the user agent string.
var AddHostExecEnvUserAgentHander = aws.NamedHandler{
Name: "core.AddHostExecEnvUserAgentHander",
Fn: func(r *aws.Request) {
v := os.Getenv(execEnvVar)
if len(v) == 0 {
return
}
aws.AddToUserAgent(r, execEnvUAKey+"/"+v)
},
}