github.com/mendersoftware/go-lib-micro@v0.0.0-20240304135804-e8e39c59b148/requestid/client.go (about)

     1  // Copyright 2023 Northern.tech AS
     2  //
     3  //	Licensed under the Apache License, Version 2.0 (the "License");
     4  //	you may not use this file except in compliance with the License.
     5  //	You may obtain a copy of the License at
     6  //
     7  //	    http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  //	Unless required by applicable law or agreed to in writing, software
    10  //	distributed under the License is distributed on an "AS IS" BASIS,
    11  //	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  //	See the License for the specific language governing permissions and
    13  //	limitations under the License.
    14  package requestid
    15  
    16  import (
    17  	"net/http"
    18  )
    19  
    20  type ApiRequester interface {
    21  	Do(r *http.Request) (*http.Response, error)
    22  }
    23  
    24  // TrackingApiClient wrapper for http.Client
    25  // for sending http requests to outside services with a given request id
    26  type TrackingApiClient struct {
    27  	http.Client
    28  	reqid string
    29  }
    30  
    31  func NewTrackingApiClient(reqid string) *TrackingApiClient {
    32  	return &TrackingApiClient{
    33  		http.Client{},
    34  		reqid,
    35  	}
    36  }
    37  
    38  // do send a request with a request id
    39  func (a *TrackingApiClient) Do(r *http.Request) (*http.Response, error) {
    40  	if r.Header.Get(RequestIdHeader) == "" {
    41  		r.Header.Set(RequestIdHeader, a.reqid)
    42  	}
    43  	return a.Client.Do(r)
    44  }