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c35c689a96
Automatically forward core plugin request HTTP headers in outgoing HTTP requests. Core datasource plugin authors don't have to specifically handle forwarding of HTTP headers, e.g. do not have to "hardcode" the header-names in the datasource plugin, if not having custom needs. Fixes #57065
77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
package loki
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import (
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"bytes"
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"io"
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"net/http"
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"github.com/grafana/grafana/pkg/infra/log"
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)
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type mockRequestCallback func(req *http.Request)
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type mockedRoundTripper struct {
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statusCode int
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responseBytes []byte
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contentType string
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requestCallback mockRequestCallback
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}
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func (mockedRT *mockedRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
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requestCallback := mockedRT.requestCallback
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if requestCallback != nil {
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requestCallback(req)
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}
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header := http.Header{}
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header.Add("Content-Type", mockedRT.contentType)
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return &http.Response{
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StatusCode: mockedRT.statusCode,
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Header: header,
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Body: io.NopCloser(bytes.NewReader(mockedRT.responseBytes)),
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}, nil
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}
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type mockedCompressedRoundTripper struct {
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statusCode int
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responseBytes []byte
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contentType string
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requestCallback mockRequestCallback
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}
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func (mockedRT *mockedCompressedRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
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requestCallback := mockedRT.requestCallback
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if requestCallback != nil {
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requestCallback(req)
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}
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header := http.Header{}
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header.Add("Content-Type", mockedRT.contentType)
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header.Add("Content-Encoding", "gzip")
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return &http.Response{
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StatusCode: mockedRT.statusCode,
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Header: header,
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Body: io.NopCloser(bytes.NewReader(mockedRT.responseBytes)),
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}, nil
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}
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func makeMockedAPI(statusCode int, contentType string, responseBytes []byte, requestCallback mockRequestCallback) *LokiAPI {
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return makeMockedAPIWithUrl("http://localhost:9999", statusCode, contentType, responseBytes, requestCallback)
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}
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func makeMockedAPIWithUrl(url string, statusCode int, contentType string, responseBytes []byte, requestCallback mockRequestCallback) *LokiAPI {
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client := http.Client{
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Transport: &mockedRoundTripper{statusCode: statusCode, contentType: contentType, responseBytes: responseBytes, requestCallback: requestCallback},
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}
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return newLokiAPI(&client, url, log.New("test"))
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}
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func makeCompressedMockedAPIWithUrl(url string, statusCode int, contentType string, responseBytes []byte, requestCallback mockRequestCallback) *LokiAPI {
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client := http.Client{
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Transport: &mockedCompressedRoundTripper{statusCode: statusCode, contentType: contentType, responseBytes: responseBytes, requestCallback: requestCallback},
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}
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return newLokiAPI(&client, url, log.New("test"))
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}
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