packer-cn/builder/azure/arm/inspector.go

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package arm
import (
"bytes"
"io/ioutil"
"log"
"net/http"
"github.com/Azure/go-autorest/autorest"
"github.com/Azure/go-autorest/autorest/azure"
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"github.com/hashicorp/packer/builder/azure/common/logutil"
"io"
)
func chop(data []byte, maxlen int64) string {
s := string(data)
if int64(len(s)) > maxlen {
s = s[:maxlen] + "..."
}
return s
}
func handleBody(body io.ReadCloser, maxlen int64) (io.ReadCloser, string) {
if body == nil {
return nil, ""
}
defer body.Close()
b, err := ioutil.ReadAll(body)
if err != nil {
return nil, ""
}
return ioutil.NopCloser(bytes.NewReader(b)), chop(b, maxlen)
}
func withInspection(maxlen int64) autorest.PrepareDecorator {
return func(p autorest.Preparer) autorest.Preparer {
return autorest.PreparerFunc(func(r *http.Request) (*http.Request, error) {
body, bodyString := handleBody(r.Body, maxlen)
r.Body = body
log.Print("Azure request", logutil.Fields{
"method": r.Method,
"request": r.URL.String(),
"body": bodyString,
})
return p.Prepare(r)
})
}
}
func byInspecting(maxlen int64) autorest.RespondDecorator {
return func(r autorest.Responder) autorest.Responder {
return autorest.ResponderFunc(func(resp *http.Response) error {
body, bodyString := handleBody(resp.Body, maxlen)
resp.Body = body
log.Print("Azure response", logutil.Fields{
"status": resp.Status,
"method": resp.Request.Method,
"request": resp.Request.URL.String(),
"x-ms-request-id": azure.ExtractRequestID(resp),
"body": bodyString,
})
return r.Respond(resp)
})
}
}