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Add http.method attribute to http server metric #3018

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merged 5 commits into from Jul 19, 2022
Merged

Add http.method attribute to http server metric #3018

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60b7e05
Add http.method attribute to http server metric
fatsheep9146 Jul 13, 2022
4041e66
fix lint
fatsheep9146 Jul 13, 2022
ce676ae
fix lint
fatsheep9146 Jul 13, 2022
55cece9
fix for reviews
fatsheep9146 Jul 14, 2022
5ed101d
add changelog entry
fatsheep9146 Jul 14, 2022
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -14,6 +14,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
The package contains semantic conventions from the `v1.12.0` version of the OpenTelemetry specification. (#3010)
- Add the `go.opentelemetry.io/otel/semconv/v1.11.0` package.
The package contains semantic conventions from the `v1.11.0` version of the OpenTelemetry specification. (#3009)
- Add http.method attribute to http server metric. (#3018)

## [1.8.0/0.31.0] - 2022-07-08

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13 changes: 6 additions & 7 deletions semconv/internal/http.go
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Expand Up @@ -147,12 +147,6 @@ func (sc *SemanticConventions) EndUserAttributesFromHTTPRequest(request *http.Re
func (sc *SemanticConventions) HTTPClientAttributesFromHTTPRequest(request *http.Request) []attribute.KeyValue {
attrs := []attribute.KeyValue{}

if request.Method != "" {
attrs = append(attrs, sc.HTTPMethodKey.String(request.Method))
} else {
attrs = append(attrs, sc.HTTPMethodKey.String(http.MethodGet))
}

// remove any username/password info that may be in the URL
// before adding it to the attributes
userinfo := request.URL.User
Expand Down Expand Up @@ -204,6 +198,12 @@ func (sc *SemanticConventions) httpBasicAttributesFromHTTPRequest(request *http.
attrs = append(attrs, sc.HTTPFlavorKey.String(flavor))
}

if request.Method != "" {
attrs = append(attrs, sc.HTTPMethodKey.String(request.Method))
} else {
attrs = append(attrs, sc.HTTPMethodKey.String(http.MethodGet))
}

return attrs
}

Expand All @@ -223,7 +223,6 @@ func (sc *SemanticConventions) HTTPServerMetricAttributesFromHTTPRequest(serverN
// supported.
func (sc *SemanticConventions) HTTPServerAttributesFromHTTPRequest(serverName, route string, request *http.Request) []attribute.KeyValue {
attrs := []attribute.KeyValue{
sc.HTTPMethodKey.String(request.Method),
sc.HTTPTargetKey.String(request.RequestURI),
}

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285 changes: 285 additions & 0 deletions semconv/internal/http_test.go
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Expand Up @@ -1236,3 +1236,288 @@ func TestHTTPClientAttributesFromHTTPRequest(t *testing.T) {
})
}
}

func TestHTTPServerMetricAttributesFromHTTPRequest(t *testing.T) {
type testcase struct {
name string
serverName string
method string
requestURI string
proto string
remoteAddr string
host string
url *url.URL
header http.Header
tls tlsOption
contentLength int64
expected []attribute.KeyValue
}
testcases := []testcase{
{
name: "stripped",
serverName: "",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "",
url: &url.URL{
Path: "/user/123",
},
header: nil,
tls: noTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "http"),
attribute.String("http.flavor", "1.0"),
},
},
{
name: "with server name",
serverName: "my-server-name",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "",
url: &url.URL{
Path: "/user/123",
},
header: nil,
tls: noTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "http"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.server_name", "my-server-name"),
},
},
{
name: "with tls",
serverName: "my-server-name",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "",
url: &url.URL{
Path: "/user/123",
},
header: nil,
tls: withTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "https"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.server_name", "my-server-name"),
},
},
{
name: "with route",
serverName: "my-server-name",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "",
url: &url.URL{
Path: "/user/123",
},
header: nil,
tls: withTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "https"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.server_name", "my-server-name"),
},
},
{
name: "with host",
serverName: "my-server-name",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "example.com",
url: &url.URL{
Path: "/user/123",
},
header: nil,
tls: withTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "https"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.server_name", "my-server-name"),
attribute.String("http.host", "example.com"),
},
},
{
name: "with host fallback",
serverName: "my-server-name",
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.scheme", "https"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.server_name", "my-server-name"),
attribute.String("http.host", "example.com"),
},
},
{
name: "with user agent",
serverName: "my-server-name",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "example.com",
url: &url.URL{
Path: "/user/123",
},
header: http.Header{
"User-Agent": []string{"foodownloader"},
},
tls: withTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "https"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.server_name", "my-server-name"),
attribute.String("http.host", "example.com"),
},
},
{
name: "with proxy info",
serverName: "my-server-name",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "example.com",
url: &url.URL{
Path: "/user/123",
},
header: http.Header{
"User-Agent": []string{"foodownloader"},
"X-Forwarded-For": []string{"203.0.113.195, 70.41.3.18, 150.172.238.178"},
},
tls: withTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "https"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.server_name", "my-server-name"),
attribute.String("http.host", "example.com"),
},
},
{
name: "with http 1.1",
serverName: "my-server-name",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.1",
remoteAddr: "",
host: "example.com",
url: &url.URL{
Path: "/user/123",
},
header: http.Header{
"User-Agent": []string{"foodownloader"},
"X-Forwarded-For": []string{"1.2.3.4"},
},
tls: withTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "https"),
attribute.String("http.flavor", "1.1"),
attribute.String("http.server_name", "my-server-name"),
attribute.String("http.host", "example.com"),
},
},
{
name: "with http 2",
serverName: "my-server-name",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/2.0",
remoteAddr: "",
host: "example.com",
url: &url.URL{
Path: "/user/123",
},
header: http.Header{
"User-Agent": []string{"foodownloader"},
"X-Forwarded-For": []string{"1.2.3.4"},
},
tls: withTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "https"),
attribute.String("http.flavor", "2"),
attribute.String("http.server_name", "my-server-name"),
attribute.String("http.host", "example.com"),
},
},
}
for idx, tc := range testcases {
r := testRequest(tc.method, tc.requestURI, tc.proto, tc.remoteAddr, tc.host, tc.url, tc.header, tc.tls)
r.ContentLength = tc.contentLength
got := sc.HTTPServerMetricAttributesFromHTTPRequest(tc.serverName, r)
assertElementsMatch(t, tc.expected, got, "testcase %d - %s", idx, tc.name)
}
}

func TestHttpBasicAttributesFromHTTPRequest(t *testing.T) {
type testcase struct {
name string
method string
requestURI string
proto string
remoteAddr string
host string
url *url.URL
header http.Header
tls tlsOption
contentLength int64
expected []attribute.KeyValue
}
testcases := []testcase{
{
name: "stripped",
method: "GET",
requestURI: "/user/123",
proto: "HTTP/1.0",
remoteAddr: "",
host: "example.com",
url: &url.URL{
Path: "/user/123",
},
header: nil,
tls: noTLS,
expected: []attribute.KeyValue{
attribute.String("http.method", "GET"),
attribute.String("http.scheme", "http"),
attribute.String("http.flavor", "1.0"),
attribute.String("http.host", "example.com"),
},
},
}
for idx, tc := range testcases {
r := testRequest(tc.method, tc.requestURI, tc.proto, tc.remoteAddr, tc.host, tc.url, tc.header, tc.tls)
r.ContentLength = tc.contentLength
got := sc.httpBasicAttributesFromHTTPRequest(r)
assertElementsMatch(t, tc.expected, got, "testcase %d - %s", idx, tc.name)
}
}