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Merge pull request #432 from discordianfish/prometheus-request-headers

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Support setting headers on requests to Prometheus
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Kubernetes Prow Robot 2021-07-19 05:34:51 -07:00 • committed by GitHub
commit 97236f92ed
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3 changed files with 64 additions and 5 deletions
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9
pkg/client/api.go
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@ -47,6 +47,7 @@ type GenericAPIClient interface {
type httpAPIClient struct {
client *http.Client
baseURL *url.URL
headers http.Header
}
func (c *httpAPIClient) Do(ctx context.Context, verb, endpoint string, query url.Values) (APIResponse, error) {
@ -58,6 +59,7 @@ func (c *httpAPIClient) Do(ctx context.Context, verb, endpoint string, query url
return APIResponse{}, fmt.Errorf("error constructing HTTP request to Prometheus: %v", err)
}
req.WithContext(ctx)
req.Header = c.headers
resp, err := c.client.Do(req)
defer func() {
@ -113,10 +115,11 @@ func (c *httpAPIClient) Do(ctx context.Context, verb, endpoint string, query url
}
// NewGenericAPIClient builds a new generic Prometheus API client for the given base URL and HTTP Client.
func NewGenericAPIClient(client *http.Client, baseURL *url.URL) GenericAPIClient {
func NewGenericAPIClient(client *http.Client, baseURL *url.URL, headers http.Header) GenericAPIClient {
return &httpAPIClient{
client: client,
baseURL: baseURL,
headers: headers,
}
}
@ -139,8 +142,8 @@ func NewClientForAPI(client GenericAPIClient) Client {
}
// NewClient creates a Client for the given HTTP client and base URL (the location of the Prometheus server).
func NewClient(client *http.Client, baseURL *url.URL) Client {
genericClient := NewGenericAPIClient(client, baseURL)
func NewClient(client *http.Client, baseURL *url.URL, headers http.Header) Client {
genericClient := NewGenericAPIClient(client, baseURL, headers)
return NewClientForAPI(genericClient)
}