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fallback to URL.Host if Request.Host is empty #2661

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merged 3 commits into from Mar 9, 2022
Merged

fallback to URL.Host if Request.Host is empty #2661

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fallback to URL.Host if Request.Host is empty
nelzkiddom Mar 8, 2022
7447e10
changelog
nelzkiddom Mar 8, 2022
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nelzkiddom Mar 8, 2022
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2 changes: 2 additions & 0 deletions semconv/v1.7.0/http.go
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Expand Up @@ -167,6 +167,8 @@ func httpBasicAttributesFromHTTPRequest(request *http.Request) []attribute.KeyVa

if request.Host != "" {
attrs = append(attrs, HTTPHostKey.String(request.Host))
} else if request.URL != nil && request.URL.Host != "" {
attrs = append(attrs, HTTPHostKey.String(request.URL.Host))
}

flavor := ""
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47 changes: 47 additions & 0 deletions semconv/v1.7.0/http_test.go
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Expand Up @@ -705,6 +705,31 @@ func TestHTTPServerAttributesFromHTTPRequest(t *testing.T) {
attribute.String("http.host", "example.com"),
},
},
{
name: "with host fallback",
serverName: "my-server-name",
route: "/user/:id",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "",
url: &url.URL{
Host: "example.com",
Path: "/user/123",
},
header: nil,
tls: withTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.target", "/user/123"),
attribute.String("http.scheme", "https"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.server_name", "my-server-name"),
attribute.String("http.route", "/user/:id"),
attribute.String("http.host", "example.com"),
},
},
{
name: "with user agent",
serverName: "my-server-name",
Expand Down Expand Up @@ -1042,6 +1067,28 @@ func TestHTTPClientAttributesFromHTTPRequest(t *testing.T) {
attribute.String("http.host", "example.com"),
},
},
{
name: "with host fallback",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "",
url: &url.URL{
Scheme: "https",
Host: "example.com",
Path: "/user/123",
},
header: nil,
tls: withTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.url", "https://example.com/user/123"),
attribute.String("http.scheme", "https"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.host", "example.com"),
},
},
{
name: "with user agent",
method: "GET",
Expand Down