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14 changes: 14 additions & 0 deletions internal/avgql/client.go
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package avgql

import (
"context"
"net/http"
"net/url"
"os"

Expand All @@ -17,6 +18,7 @@ func NewClient(ctx context.Context) (*graphql.Client, error) {
&oauth2.Token{AccessToken: config.Av.Aviator.APIToken},
)
httpClient := oauth2.NewClient(ctx, src)
httpClient.Transport = clientNameTransport{base: httpClient.Transport}
apiURL := os.Getenv("AV_GRAPHQL_URL")
if apiURL == "" {
baseURL, err := url.Parse(config.Av.Aviator.APIHost)
Expand All @@ -28,3 +30,15 @@ func NewClient(ctx context.Context) (*graphql.Client, error) {
logrus.WithField("api_url", apiURL).Debug("creating GraphQL client")
return graphql.NewClient(apiURL, httpClient), nil
}

// clientNameTransport identifies av to the Aviator API, which counts requests per client.
type clientNameTransport struct {
base http.RoundTripper
}

func (t clientNameTransport) RoundTrip(req *http.Request) (*http.Response, error) {
req = req.Clone(req.Context())
req.Header.Set("Apollographql-Client-Name", "av CLI")
req.Header.Set("Apollographql-Client-Version", config.Version)
return t.base.RoundTrip(req)
}
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