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Use attribute_group for cross-signal HTTP attributes (#3183)

This commit is contained in:
Liudmila Molkova 2023-02-13 16:00:14 -08:00 committed by GitHub
parent 30ef366d8a
commit 3a0a197f4c
11 changed files with 313 additions and 358 deletions
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6
.markdown_link_check_config.json
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@ -4,6 +4,12 @@
"pattern": "^https://github\\.com/open-telemetry/opentelemetry-specification/(issues|pull)" "pattern": "^https://github\\.com/open-telemetry/opentelemetry-specification/(issues|pull)"
} }
], ],
"replacementPatterns": [
{
"pattern": "^/",
"replacement": "{{BASEURL}}/"
}
],
"retryOn429": true, "retryOn429": true,
"aliveStatusCodes": [ "aliveStatusCodes": [
200, 200,

120
semantic_conventions/http-common.yaml Normal file
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@ -0,0 +1,120 @@
groups:
- id: attributes.http.common
type: attribute_group
brief: "Describes HTTP attributes."
prefix: http
attributes:
- id: method
type: string
requirement_level: required
brief: 'HTTP request method.'
examples: ["GET", "POST", "HEAD"]
- id: status_code
type: int
requirement_level:
conditionally_required: If and only if one was received/sent.
brief: '[HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6).'
examples: [200]
- id: flavor
type:
# Default value: `true`. If false, it helps the code gen tool to
# encode checks that only accept the listed values.
allow_custom_values: true
members:
- id: http_1_0
value: '1.0'
brief: 'HTTP/1.0'
- id: http_1_1
value: '1.1'
brief: 'HTTP/1.1'
- id: http_2_0
value: '2.0'
brief: 'HTTP/2'
- id: http_3_0
value: '3.0'
brief: 'HTTP/3'
- id: spdy
value: 'SPDY'
brief: 'SPDY protocol.'
- id: quic
value: 'QUIC'
brief: 'QUIC protocol.'
brief: 'Kind of HTTP protocol used.'
note: >
If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor`
is `QUIC`, in which case `IP.UDP` is assumed.
- id: attributes.http.client
prefix: http
type: attribute_group
brief: 'HTTP Client spans attributes'
attributes:
- ref: net.peer.name
requirement_level: required
brief: >
Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to.
note: |
Determined by using the first of the following that applies
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form
- Host identifier of the `Host` header
SHOULD NOT be set if capturing it would require an extra DNS lookup.
- ref: net.peer.port
requirement_level:
conditionally_required: If not default (`80` for `http` scheme, `443` for `https`).
brief: >
Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to.
note: >
When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match
URI port identifier, otherwise it MUST match `Host` header port identifier.
- id: attributes.http.server
prefix: http
type: attribute_group
brief: 'HTTP Server spans attributes'
attributes:
- id: scheme
type: string
brief: 'The URI scheme identifying the used protocol.'
requirement_level: required
examples: ["http", "https"]
- id: route
type: string
requirement_level:
conditionally_required: If and only if it's available
brief: >
The matched route (path template in the format used by the respective server framework). See note below
examples: ['/users/:userID?', '{controller}/{action}/{id?}']
note: >
MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
SHOULD include the [application root](/specification/trace/semantic_conventions/http.md#http-server-definitions) if there is one.
- ref: net.host.name
requirement_level: required
brief: >
Name of the local HTTP server that received the request.
note: |
Determined by using the first of the following that applies
- The [primary server name](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form.
- Host identifier of the `Host` header
SHOULD NOT be set if only IP address is available and capturing name would require a reverse DNS lookup.
- ref: net.host.port
requirement_level:
conditionally_required: If not default (`80` for `http` scheme, `443` for `https`).
brief: >
Port of the local HTTP server that received the request.
note: |
Determined by using the first of the following that applies
- Port identifier of the [primary server host](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form.
- Port identifier of the `Host` header

2
semantic_conventions/logs/events.yaml
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@ -1,6 +1,6 @@
groups: groups:
- id: event - id: event
type: span type: attribute_group
prefix: event prefix: event
brief: > brief: >
This document defines attributes for Events represented using Log Records. This document defines attributes for Events represented using Log Records.

2
semantic_conventions/logs/log-exception.yaml
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@ -1,6 +1,6 @@
groups: groups:
- id: log-exception - id: log-exception
type: span type: attribute_group
prefix: exception prefix: exception
brief: > brief: >
This document defines attributes for exceptions represented using Log This document defines attributes for exceptions represented using Log

209
semantic_conventions/metrics/http.yaml
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@ -5,51 +5,12 @@ groups:
brief: "Measures the duration of inbound HTTP requests." brief: "Measures the duration of inbound HTTP requests."
instrument: histogram instrument: histogram
unit: "ms" unit: "ms"
extends: attributes.http.server
attributes: attributes:
# todo (lmolkova) build tools don't populate grandparent attributes
- ref: http.method - ref: http.method
requirement_level: required
- ref: http.scheme
requirement_level: required
- ref: http.route
requirement_level:
conditionally_required: If and only if it's available
brief: >
The matched route (path template in the format used by the respective server framework). See note below
examples: ['/users/:userID?', '{controller}/{action}/{id?}']
note: >
MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
SHOULD include the [application root](../../trace/semantic_conventions/http.md#http-server-definitions) if there is one.
- ref: http.status_code - ref: http.status_code
requirement_level:
conditionally_required: If and only if one was received/sent.
- ref: http.flavor - ref: http.flavor
- ref: net.host.name
requirement_level: required
brief: >
Name of the local HTTP server that received the request.
note: |
Determined by using the first of the following that applies
- The [primary server name](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form.
- Host identifier of the `Host` header
SHOULD NOT be set if only IP address is available and capturing name would require a reverse DNS lookup.
- ref: net.host.port
requirement_level:
conditionally_required: If not default (`80` for `http` scheme, `443` for `https`).
brief: >
Port of the local HTTP server that received the request.
note: |
Determined by using the first of the following that applies
- Port identifier of the [primary server host](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form.
- Port identifier of the `Host` header
- id: metric.http.server.active_requests - id: metric.http.server.active_requests
type: metric type: metric
@ -59,10 +20,8 @@ groups:
unit: "{requests}" unit: "{requests}"
attributes: attributes:
- ref: http.method - ref: http.method
requirement_level: required - ref: http.status_code
- ref: http.scheme - ref: http.scheme
requirement_level: required
- ref: http.flavor
- ref: net.host.name - ref: net.host.name
requirement_level: required requirement_level: required
brief: > brief: >
@ -70,13 +29,14 @@ groups:
note: | note: |
Determined by using the first of the following that applies Determined by using the first of the following that applies
- The [primary server name](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only - The [primary server name](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier. include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
- Host identifier of the `Host` header - Host identifier of the `Host` header
SHOULD NOT be set if only IP address is available and capturing name would require a reverse DNS lookup. SHOULD NOT be set if only IP address is available and capturing name would require a reverse DNS lookup.
- ref: net.host.port - ref: net.host.port
requirement_level: requirement_level:
conditionally_required: If not default (`80` for `http` scheme, `443` for `https`). conditionally_required: If not default (`80` for `http` scheme, `443` for `https`).
@ -85,7 +45,7 @@ groups:
note: | note: |
Determined by using the first of the following that applies Determined by using the first of the following that applies
- Port identifier of the [primary server host](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. - Port identifier of the [primary server host](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
- Port identifier of the `Host` header - Port identifier of the `Host` header
@ -96,52 +56,13 @@ groups:
brief: "Measures the size of HTTP request messages (compressed)." brief: "Measures the size of HTTP request messages (compressed)."
instrument: histogram instrument: histogram
unit: "By" unit: "By"
extends: attributes.http.server
# TODO (trask) below attributes are identical to above in metric.http.server.duration # TODO (trask) below attributes are identical to above in metric.http.server.duration
attributes: attributes:
# todo (lmolkova) build tools don't populate grandparent attributes
- ref: http.method - ref: http.method
requirement_level: required
- ref: http.scheme
requirement_level: required
- ref: http.route
requirement_level:
conditionally_required: If and only if it's available
brief: >
The matched route (path template in the format used by the respective server framework). See note below
examples: ['/users/:userID?', '{controller}/{action}/{id?}']
note: >
MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
SHOULD include the [application root](../../trace/semantic_conventions/http.md#http-server-definitions) if there is one.
- ref: http.status_code - ref: http.status_code
requirement_level:
conditionally_required: If and only if one was received/sent.
- ref: http.flavor - ref: http.flavor
- ref: net.host.name
requirement_level: required
brief: >
Name of the local HTTP server that received the request.
note: |
Determined by using the first of the following that applies
- The [primary server name](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form.
- Host identifier of the `Host` header
SHOULD NOT be set if only IP address is available and capturing name would require a reverse DNS lookup.
- ref: net.host.port
requirement_level:
conditionally_required: If not default (`80` for `http` scheme, `443` for `https`).
brief: >
Port of the local HTTP server that received the request.
note: |
Determined by using the first of the following that applies
- Port identifier of the [primary server host](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form.
- Port identifier of the `Host` header
- id: metric.http.server.response.size - id: metric.http.server.response.size
type: metric type: metric
@ -149,52 +70,12 @@ groups:
brief: "Measures the size of HTTP response messages (compressed)." brief: "Measures the size of HTTP response messages (compressed)."
instrument: histogram instrument: histogram
unit: "By" unit: "By"
extends: attributes.http.server
# TODO (trask) below attributes are identical to above in metric.http.server.duration # TODO (trask) below attributes are identical to above in metric.http.server.duration
attributes: attributes:
- ref: http.method - ref: http.method
requirement_level: required
- ref: http.scheme
requirement_level: required
- ref: http.route
requirement_level:
conditionally_required: If and only if it's available
brief: >
The matched route (path template in the format used by the respective server framework). See note below
examples: ['/users/:userID?', '{controller}/{action}/{id?}']
note: >
MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
SHOULD include the [application root](../../trace/semantic_conventions/http.md#http-server-definitions) if there is one.
- ref: http.status_code - ref: http.status_code
requirement_level:
conditionally_required: If and only if one was received/sent.
- ref: http.flavor - ref: http.flavor
- ref: net.host.name
requirement_level: required
brief: >
Name of the local HTTP server that received the request.
note: |
Determined by using the first of the following that applies
- The [primary server name](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form.
- Host identifier of the `Host` header
SHOULD NOT be set if only IP address is available and capturing name would require a reverse DNS lookup.
- ref: net.host.port
requirement_level:
conditionally_required: If not default (`80` for `http` scheme, `443` for `https`).
brief: >
Port of the local HTTP server that received the request.
note: |
Determined by using the first of the following that applies
- Port identifier of the [primary server host](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form.
- Port identifier of the `Host` header
- id: metric.http.client.duration - id: metric.http.client.duration
type: metric type: metric
@ -202,33 +83,11 @@ groups:
brief: "Measures the duration of outbound HTTP requests." brief: "Measures the duration of outbound HTTP requests."
instrument: histogram instrument: histogram
unit: "ms" unit: "ms"
extends: attributes.http.client
attributes: attributes:
- ref: http.method - ref: http.method
requirement_level: required
- ref: http.status_code - ref: http.status_code
requirement_level:
conditionally_required: If and only if one was received/sent.
- ref: http.flavor - ref: http.flavor
- ref: net.peer.name
requirement_level: required
brief: >
Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to.
note: |
Determined by using the first of the following that applies
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form
- Host identifier of the `Host` header
SHOULD NOT be set if capturing it would require an extra DNS lookup.
- ref: net.peer.port
requirement_level:
conditionally_required: If not default (`80` for `http` scheme, `443` for `https`).
brief: >
Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to.
note: >
When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match
URI port identifier, otherwise it MUST match `Host` header port identifier.
- ref: net.sock.peer.addr - ref: net.sock.peer.addr
- id: metric.http.client.request.size - id: metric.http.client.request.size
@ -237,34 +96,12 @@ groups:
brief: "Measures the size of HTTP request messages (compressed)." brief: "Measures the size of HTTP request messages (compressed)."
instrument: histogram instrument: histogram
unit: "By" unit: "By"
extends: attributes.http.client
# TODO (trask) below attributes are identical to above in metric.http.client.duration # TODO (trask) below attributes are identical to above in metric.http.client.duration
attributes: attributes:
- ref: http.method - ref: http.method
requirement_level: required
- ref: http.status_code - ref: http.status_code
requirement_level:
conditionally_required: If and only if one was received/sent.
- ref: http.flavor - ref: http.flavor
- ref: net.peer.name
requirement_level: required
brief: >
Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to.
note: |
Determined by using the first of the following that applies
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form
- Host identifier of the `Host` header
SHOULD NOT be set if capturing it would require an extra DNS lookup.
- ref: net.peer.port
requirement_level:
conditionally_required: If not default (`80` for `http` scheme, `443` for `https`).
brief: >
Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to.
note: >
When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match
URI port identifier, otherwise it MUST match `Host` header port identifier.
- ref: net.sock.peer.addr - ref: net.sock.peer.addr
- id: metric.http.client.response.size - id: metric.http.client.response.size
@ -273,32 +110,10 @@ groups:
brief: "Measures the size of HTTP response messages (compressed)." brief: "Measures the size of HTTP response messages (compressed)."
instrument: histogram instrument: histogram
unit: "By" unit: "By"
extends: attributes.http.client
# TODO (trask) below attributes are identical to above in metric.http.client.duration # TODO (trask) below attributes are identical to above in metric.http.client.duration
attributes: attributes:
- ref: http.method - ref: http.method
requirement_level: required
- ref: http.status_code - ref: http.status_code
requirement_level:
conditionally_required: If and only if one was received/sent.
- ref: http.flavor - ref: http.flavor
- ref: net.peer.name
requirement_level: required
brief: >
Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to.
note: |
Determined by using the first of the following that applies
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form
- Host identifier of the `Host` header
SHOULD NOT be set if capturing it would require an extra DNS lookup.
- ref: net.peer.port
requirement_level:
conditionally_required: If not default (`80` for `http` scheme, `443` for `https`).
brief: >
Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to.
note: >
When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match
URI port identifier, otherwise it MUST match `Host` header port identifier.
- ref: net.sock.peer.addr - ref: net.sock.peer.addr

2
semantic_conventions/trace/faas.yaml
View File

@ -95,7 +95,7 @@ groups:
Semantic Convention for FaaS triggered as a response to some data Semantic Convention for FaaS triggered as a response to some data
source operation such as a database or filesystem read/write. source operation such as a database or filesystem read/write.
constraints: constraints:
- include: http.server - include: trace.http.server
- id: faas_span.pubsub - id: faas_span.pubsub
type: span type: span

2
semantic_conventions/trace/general.yaml
View File

@ -1,7 +1,7 @@
groups: groups:
- id: network - id: network
prefix: net prefix: net
type: span type: attribute_group
brief: > brief: >
These attributes may be used for any network related operation. These attributes may be used for any network related operation.
attributes: attributes:

105
semantic_conventions/trace/http.yaml
View File

@ -1,52 +1,13 @@
groups: groups:
- id: http - id: trace.http.common
prefix: http prefix: http
type: span extends: attributes.http.common
type: attribute_group
brief: 'This document defines semantic conventions for HTTP client and server Spans.' brief: 'This document defines semantic conventions for HTTP client and server Spans.'
note: > note: >
These conventions can be used for http and https schemes These conventions can be used for http and https schemes
and various HTTP versions like 1.1, 2 and SPDY. and various HTTP versions like 1.1, 2 and SPDY.
attributes: attributes:
- id: method
type: string
requirement_level: required
brief: 'HTTP request method.'
sampling_relevant: true
examples: ["GET", "POST", "HEAD"]
- id: status_code
type: int
requirement_level:
conditionally_required: If and only if one was received/sent.
brief: '[HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6).'
examples: [200]
- id: flavor
type:
# Default value: `true`. If false, it helps the code gen tool to
# encode checks that only accept the listed values.
allow_custom_values: true
members:
- id: http_1_0
value: '1.0'
brief: 'HTTP/1.0'
- id: http_1_1
value: '1.1'
brief: 'HTTP/1.1'
- id: http_2_0
value: '2.0'
brief: 'HTTP/2'
- id: http_3_0
value: '3.0'
brief: 'HTTP/3'
- id: spdy
value: 'SPDY'
brief: 'SPDY protocol.'
- id: quic
value: 'QUIC'
brief: 'QUIC protocol.'
brief: 'Kind of HTTP protocol used.'
note: >
If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor`
is `QUIC`, in which case `IP.UDP` is assumed.
- id: user_agent - id: user_agent
type: string type: string
brief: 'Value of the [HTTP User-Agent](https://www.rfc-editor.org/rfc/rfc9110.html#field.user-agent) header sent by the client.' brief: 'Value of the [HTTP User-Agent](https://www.rfc-editor.org/rfc/rfc9110.html#field.user-agent) header sent by the client.'
@ -65,18 +26,18 @@ groups:
is often, but not always, present as the [Content-Length](https://www.rfc-editor.org/rfc/rfc9110.html#field.content-length) is often, but not always, present as the [Content-Length](https://www.rfc-editor.org/rfc/rfc9110.html#field.content-length)
header. For requests using transport encoding, this should be the compressed size. header. For requests using transport encoding, this should be the compressed size.
examples: 3495 examples: 3495
- ref: http.method
sampling_relevant: true
- ref: net.sock.peer.addr - ref: net.sock.peer.addr
- ref: net.sock.peer.port - ref: net.sock.peer.port
- ref: net.sock.peer.name - ref: net.sock.peer.name
- ref: net.sock.family - ref: net.sock.family
examples: ['inet', 'inet6'] examples: ['inet', 'inet6']
constraints:
- include: network
- id: http.client - id: trace.http.client
prefix: http prefix: http
type: span type: span
extends: http extends: attributes.http.client
span_kind: client span_kind: client
brief: 'Semantic Convention for HTTP Client' brief: 'Semantic Convention for HTTP Client'
attributes: attributes:
@ -91,9 +52,20 @@ groups:
In such case the attribute's value should be `https://www.example.com/`. In such case the attribute's value should be `https://www.example.com/`.
sampling_relevant: true sampling_relevant: true
examples: ['https://www.foo.bar/search?q=OpenTelemetry#SemConv'] examples: ['https://www.foo.bar/search?q=OpenTelemetry#SemConv']
- id: resend_count
type: int
brief: >
The ordinal number of request resending attempt (for any reason, including redirects).
note: >
The resend count SHOULD be updated each time an HTTP request gets resent by the client, regardless of what
was the cause of the resending (e.g. redirection, authorization failure, 503 Server Unavailable, network issues,
or any other).
requirement_level:
recommended: if and only if request was retried.
examples: 3
- ref: net.peer.name - ref: net.peer.name
requirement_level: required
sampling_relevant: true sampling_relevant: true
requirement_level: required
brief: > brief: >
Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to.
note: | note: |
@ -113,48 +85,20 @@ groups:
note: > note: >
When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match
URI port identifier, otherwise it MUST match `Host` header port identifier. URI port identifier, otherwise it MUST match `Host` header port identifier.
- id: resend_count
type: int
brief: >
The ordinal number of request resending attempt (for any reason, including redirects).
note: >
The resend count SHOULD be updated each time an HTTP request gets resent by the client, regardless of what
was the cause of the resending (e.g. redirection, authorization failure, 503 Server Unavailable, network issues,
or any other).
requirement_level:
recommended: if and only if request was retried.
examples: 3
- id: http.server - id: trace.http.server
prefix: http prefix: http
type: span type: span
extends: http extends: attributes.http.server
span_kind: server span_kind: server
brief: 'Semantic Convention for HTTP Server' brief: 'Semantic Convention for HTTP Server'
attributes: attributes:
- id: scheme
type: string
brief: 'The URI scheme identifying the used protocol.'
requirement_level: required
sampling_relevant: true
examples: ["http", "https"]
- id: target - id: target
type: string type: string
brief: 'The full request target as passed in a HTTP request line or equivalent.' brief: 'The full request target as passed in a HTTP request line or equivalent.'
requirement_level: required requirement_level: required
sampling_relevant: true sampling_relevant: true
examples: ['/path/12314/?q=ddds'] examples: ['/path/12314/?q=ddds']
- id: route
type: string
requirement_level:
conditionally_required: If and only if it's available
brief: >
The matched route (path template in the format used by the respective server framework). See note below
examples: ['/users/:userID?', '{controller}/{action}/{id?}']
note: >
MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
SHOULD include the [application root](#http-server-definitions) if there is one.
- id: client_ip - id: client_ip
type: string type: string
brief: > brief: >
@ -173,6 +117,8 @@ groups:
one is at least somewhat confident that the address is not that of one is at least somewhat confident that the address is not that of
the closest proxy. the closest proxy.
examples: '83.164.160.102' examples: '83.164.160.102'
- ref: http.scheme
sampling_relevant: true
- ref: net.host.name - ref: net.host.name
requirement_level: required requirement_level: required
sampling_relevant: true sampling_relevant: true
@ -181,7 +127,7 @@ groups:
note: | note: |
Determined by using the first of the following that applies Determined by using the first of the following that applies
- The [primary server name](#http-server-definitions) of the matched virtual host. MUST only - The [primary server name](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier. include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
@ -198,11 +144,10 @@ groups:
note: | note: |
Determined by using the first of the following that applies Determined by using the first of the following that applies
- Port identifier of the [primary server host](#http-server-definitions) of the matched virtual host. - Port identifier of the [primary server host](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
- Port identifier of the `Host` header - Port identifier of the `Host` header
- ref: net.sock.host.addr - ref: net.sock.host.addr
requirement_level: optional requirement_level: optional
- ref: net.sock.host.port - ref: net.sock.host.port

15
semantic_conventions/trace/messaging.yaml
View File

@ -1,8 +1,7 @@
groups: groups:
- id: messaging.message - id: messaging.message
prefix: messaging prefix: messaging
# todo (https://github.com/open-telemetry/build-tools/issues/123) type: attribute_group
type: span
brief: 'Semantic convention describing per-message attributes populated on messaging spans or links.' brief: 'Semantic convention describing per-message attributes populated on messaging spans or links.'
attributes: attributes:
- ref: messaging.destination.name - ref: messaging.destination.name
@ -30,8 +29,7 @@ groups:
- id: messaging.destination - id: messaging.destination
prefix: messaging.destination prefix: messaging.destination
# todo (https://github.com/open-telemetry/build-tools/issues/123) type: attribute_group
type: span
brief: 'Semantic convention for attributes that describe messaging destination on broker' brief: 'Semantic convention for attributes that describe messaging destination on broker'
attributes: attributes:
- id: name - id: name
@ -71,8 +69,7 @@ groups:
- id: messaging.source - id: messaging.source
prefix: messaging.source prefix: messaging.source
# todo (https://github.com/open-telemetry/build-tools/issues/123) type: attribute_group
type: span
brief: 'Semantic convention for attributes that describe messaging source on broker' brief: 'Semantic convention for attributes that describe messaging source on broker'
attributes: attributes:
- id: name - id: name
@ -270,7 +267,7 @@ groups:
- id: messaging.rabbitmq - id: messaging.rabbitmq
prefix: messaging.rabbitmq prefix: messaging.rabbitmq
type: span type: attribute_group
extends: messaging extends: messaging
brief: > brief: >
Attributes for RabbitMQ Attributes for RabbitMQ
@ -285,7 +282,7 @@ groups:
- id: messaging.kafka - id: messaging.kafka
prefix: messaging.kafka prefix: messaging.kafka
type: span type: attribute_group
extends: messaging extends: messaging
brief: > brief: >
Attributes for Apache Kafka Attributes for Apache Kafka
@ -334,7 +331,7 @@ groups:
- id: messaging.rocketmq - id: messaging.rocketmq
prefix: messaging.rocketmq prefix: messaging.rocketmq
type: span type: attribute_group
extends: messaging extends: messaging
brief: > brief: >
Attributes for Apache RocketMQ Attributes for Apache RocketMQ

180
specification/metrics/semantic_conventions/http-metrics.md
View File

@ -24,25 +24,25 @@ This metric is required.
| `http.server.duration` | Histogram | `ms` | Measures the duration of inbound HTTP requests. | | `http.server.duration` | Histogram | `ms` | Measures the duration of inbound HTTP requests. |
<!-- endsemconv --> <!-- endsemconv -->
<!-- semconv metric.http.server.duration --> <!-- semconv metric.http.server.duration(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| [`http.flavor`](../../trace/semantic_conventions/http.md) | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended | | `http.scheme` | string | The URI scheme identifying the used protocol. | `http`; `https` | Required |
| [`http.method`](../../trace/semantic_conventions/http.md) | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required | | `http.route` | string | The matched route (path template in the format used by the respective server framework). See note below [1] | `/users/:userID?`; `{controller}/{action}/{id?}` | Conditionally Required: If and only if it's available |
| [`http.route`](../../trace/semantic_conventions/http.md) | string | The matched route (path template in the format used by the respective server framework). See note below [2] | `/users/:userID?`; `{controller}/{action}/{id?}` | Conditionally Required: If and only if it's available | | `http.flavor` | string | Kind of HTTP protocol used. [2] | `1.0` | Recommended |
| [`http.scheme`](../../trace/semantic_conventions/http.md) | string | The URI scheme identifying the used protocol. | `http`; `https` | Required | | `http.method` | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required |
| [`http.status_code`](../../trace/semantic_conventions/http.md) | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. | | `http.status_code` | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. |
| [`net.host.name`](../../trace/semantic_conventions/span-general.md) | string | Name of the local HTTP server that received the request. [3] | `localhost` | Required | | [`net.host.name`](../../trace/semantic_conventions/span-general.md) | string | Name of the local HTTP server that received the request. [3] | `localhost` | Required |
| [`net.host.port`](../../trace/semantic_conventions/span-general.md) | int | Port of the local HTTP server that received the request. [4] | `8080` | Conditionally Required: [5] | | [`net.host.port`](../../trace/semantic_conventions/span-general.md) | int | Port of the local HTTP server that received the request. [4] | `8080` | Conditionally Required: [5] |
**[1]:** If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor` is `QUIC`, in which case `IP.UDP` is assumed. **[1]:** MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
SHOULD include the [application root](/specification/trace/semantic_conventions/http.md#http-server-definitions) if there is one.
**[2]:** MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it. **[2]:** If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor` is `QUIC`, in which case `IP.UDP` is assumed.
SHOULD include the [application root](../../trace/semantic_conventions/http.md#http-server-definitions) if there is one.
**[3]:** Determined by using the first of the following that applies **[3]:** Determined by using the first of the following that applies
- The [primary server name](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only - The [primary server name](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier. include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
@ -52,12 +52,23 @@ SHOULD NOT be set if only IP address is available and capturing name would requi
**[4]:** Determined by using the first of the following that applies **[4]:** Determined by using the first of the following that applies
- Port identifier of the [primary server host](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. - Port identifier of the [primary server host](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
- Port identifier of the `Host` header - Port identifier of the `Host` header
**[5]:** If not default (`80` for `http` scheme, `443` for `https`). **[5]:** If not default (`80` for `http` scheme, `443` for `https`).
`http.flavor` has the following list of well-known values. If one of them applies, then the respective value MUST be used, otherwise a custom value MAY be used.
| Value | Description |
|---|---|
| `1.0` | HTTP/1.0 |
| `1.1` | HTTP/1.1 |
| `2.0` | HTTP/2 |
| `3.0` | HTTP/3 |
| `SPDY` | SPDY protocol. |
| `QUIC` | QUIC protocol. |
<!-- endsemconv --> <!-- endsemconv -->
### Metric: `http.server.active_requests` ### Metric: `http.server.active_requests`
@ -70,20 +81,18 @@ This metric is optional.
| `http.server.active_requests` | UpDownCounter | `{requests}` | Measures the number of concurrent HTTP requests that are currently in-flight. | | `http.server.active_requests` | UpDownCounter | `{requests}` | Measures the number of concurrent HTTP requests that are currently in-flight. |
<!-- endsemconv --> <!-- endsemconv -->
<!-- semconv metric.http.server.active_requests --> <!-- semconv metric.http.server.active_requests(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| [`http.flavor`](../../trace/semantic_conventions/http.md) | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended | | `http.method` | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required |
| [`http.method`](../../trace/semantic_conventions/http.md) | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required | | `http.scheme` | string | The URI scheme identifying the used protocol. | `http`; `https` | Required |
| [`http.scheme`](../../trace/semantic_conventions/http.md) | string | The URI scheme identifying the used protocol. | `http`; `https` | Required | | `http.status_code` | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. |
| [`net.host.name`](../../trace/semantic_conventions/span-general.md) | string | Name of the local HTTP server that received the request. [2] | `localhost` | Required | | [`net.host.name`](../../trace/semantic_conventions/span-general.md) | string | Name of the local HTTP server that received the request. [1] | `localhost` | Required |
| [`net.host.port`](../../trace/semantic_conventions/span-general.md) | int | Port of the local HTTP server that received the request. [3] | `8080` | Conditionally Required: [4] | | [`net.host.port`](../../trace/semantic_conventions/span-general.md) | int | Port of the local HTTP server that received the request. [2] | `8080` | Conditionally Required: [3] |
**[1]:** If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor` is `QUIC`, in which case `IP.UDP` is assumed. **[1]:** Determined by using the first of the following that applies
**[2]:** Determined by using the first of the following that applies - The [primary server name](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
- The [primary server name](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier. include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
@ -91,14 +100,14 @@ This metric is optional.
SHOULD NOT be set if only IP address is available and capturing name would require a reverse DNS lookup. SHOULD NOT be set if only IP address is available and capturing name would require a reverse DNS lookup.
**[3]:** Determined by using the first of the following that applies **[2]:** Determined by using the first of the following that applies
- Port identifier of the [primary server host](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. - Port identifier of the [primary server host](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
- Port identifier of the `Host` header - Port identifier of the `Host` header
**[4]:** If not default (`80` for `http` scheme, `443` for `https`). **[3]:** If not default (`80` for `http` scheme, `443` for `https`).
<!-- endsemconv --> <!-- endsemconv -->
### Metric: `http.server.request.size` ### Metric: `http.server.request.size`
@ -111,25 +120,25 @@ This metric is optional.
| `http.server.request.size` | Histogram | `By` | Measures the size of HTTP request messages (compressed). | | `http.server.request.size` | Histogram | `By` | Measures the size of HTTP request messages (compressed). |
<!-- endsemconv --> <!-- endsemconv -->
<!-- semconv metric.http.server.request.size --> <!-- semconv metric.http.server.request.size(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| [`http.flavor`](../../trace/semantic_conventions/http.md) | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended | | `http.scheme` | string | The URI scheme identifying the used protocol. | `http`; `https` | Required |
| [`http.method`](../../trace/semantic_conventions/http.md) | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required | | `http.route` | string | The matched route (path template in the format used by the respective server framework). See note below [1] | `/users/:userID?`; `{controller}/{action}/{id?}` | Conditionally Required: If and only if it's available |
| [`http.route`](../../trace/semantic_conventions/http.md) | string | The matched route (path template in the format used by the respective server framework). See note below [2] | `/users/:userID?`; `{controller}/{action}/{id?}` | Conditionally Required: If and only if it's available | | `http.flavor` | string | Kind of HTTP protocol used. [2] | `1.0` | Recommended |
| [`http.scheme`](../../trace/semantic_conventions/http.md) | string | The URI scheme identifying the used protocol. | `http`; `https` | Required | | `http.method` | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required |
| [`http.status_code`](../../trace/semantic_conventions/http.md) | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. | | `http.status_code` | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. |
| [`net.host.name`](../../trace/semantic_conventions/span-general.md) | string | Name of the local HTTP server that received the request. [3] | `localhost` | Required | | [`net.host.name`](../../trace/semantic_conventions/span-general.md) | string | Name of the local HTTP server that received the request. [3] | `localhost` | Required |
| [`net.host.port`](../../trace/semantic_conventions/span-general.md) | int | Port of the local HTTP server that received the request. [4] | `8080` | Conditionally Required: [5] | | [`net.host.port`](../../trace/semantic_conventions/span-general.md) | int | Port of the local HTTP server that received the request. [4] | `8080` | Conditionally Required: [5] |
**[1]:** If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor` is `QUIC`, in which case `IP.UDP` is assumed. **[1]:** MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
SHOULD include the [application root](/specification/trace/semantic_conventions/http.md#http-server-definitions) if there is one.
**[2]:** MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it. **[2]:** If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor` is `QUIC`, in which case `IP.UDP` is assumed.
SHOULD include the [application root](../../trace/semantic_conventions/http.md#http-server-definitions) if there is one.
**[3]:** Determined by using the first of the following that applies **[3]:** Determined by using the first of the following that applies
- The [primary server name](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only - The [primary server name](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier. include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
@ -139,12 +148,23 @@ SHOULD NOT be set if only IP address is available and capturing name would requi
**[4]:** Determined by using the first of the following that applies **[4]:** Determined by using the first of the following that applies
- Port identifier of the [primary server host](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. - Port identifier of the [primary server host](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
- Port identifier of the `Host` header - Port identifier of the `Host` header
**[5]:** If not default (`80` for `http` scheme, `443` for `https`). **[5]:** If not default (`80` for `http` scheme, `443` for `https`).
`http.flavor` has the following list of well-known values. If one of them applies, then the respective value MUST be used, otherwise a custom value MAY be used.
| Value | Description |
|---|---|
| `1.0` | HTTP/1.0 |
| `1.1` | HTTP/1.1 |
| `2.0` | HTTP/2 |
| `3.0` | HTTP/3 |
| `SPDY` | SPDY protocol. |
| `QUIC` | QUIC protocol. |
<!-- endsemconv --> <!-- endsemconv -->
### Metric: `http.server.response.size` ### Metric: `http.server.response.size`
@ -157,25 +177,25 @@ This metric is optional.
| `http.server.response.size` | Histogram | `By` | Measures the size of HTTP response messages (compressed). | | `http.server.response.size` | Histogram | `By` | Measures the size of HTTP response messages (compressed). |
<!-- endsemconv --> <!-- endsemconv -->
<!-- semconv metric.http.server.response.size --> <!-- semconv metric.http.server.response.size(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| [`http.flavor`](../../trace/semantic_conventions/http.md) | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended | | `http.scheme` | string | The URI scheme identifying the used protocol. | `http`; `https` | Required |
| [`http.method`](../../trace/semantic_conventions/http.md) | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required | | `http.route` | string | The matched route (path template in the format used by the respective server framework). See note below [1] | `/users/:userID?`; `{controller}/{action}/{id?}` | Conditionally Required: If and only if it's available |
| [`http.route`](../../trace/semantic_conventions/http.md) | string | The matched route (path template in the format used by the respective server framework). See note below [2] | `/users/:userID?`; `{controller}/{action}/{id?}` | Conditionally Required: If and only if it's available | | `http.flavor` | string | Kind of HTTP protocol used. [2] | `1.0` | Recommended |
| [`http.scheme`](../../trace/semantic_conventions/http.md) | string | The URI scheme identifying the used protocol. | `http`; `https` | Required | | `http.method` | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required |
| [`http.status_code`](../../trace/semantic_conventions/http.md) | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. | | `http.status_code` | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. |
| [`net.host.name`](../../trace/semantic_conventions/span-general.md) | string | Name of the local HTTP server that received the request. [3] | `localhost` | Required | | [`net.host.name`](../../trace/semantic_conventions/span-general.md) | string | Name of the local HTTP server that received the request. [3] | `localhost` | Required |
| [`net.host.port`](../../trace/semantic_conventions/span-general.md) | int | Port of the local HTTP server that received the request. [4] | `8080` | Conditionally Required: [5] | | [`net.host.port`](../../trace/semantic_conventions/span-general.md) | int | Port of the local HTTP server that received the request. [4] | `8080` | Conditionally Required: [5] |
**[1]:** If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor` is `QUIC`, in which case `IP.UDP` is assumed. **[1]:** MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
SHOULD include the [application root](/specification/trace/semantic_conventions/http.md#http-server-definitions) if there is one.
**[2]:** MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it. **[2]:** If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor` is `QUIC`, in which case `IP.UDP` is assumed.
SHOULD include the [application root](../../trace/semantic_conventions/http.md#http-server-definitions) if there is one.
**[3]:** Determined by using the first of the following that applies **[3]:** Determined by using the first of the following that applies
- The [primary server name](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only - The [primary server name](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier. include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
@ -185,12 +205,23 @@ SHOULD NOT be set if only IP address is available and capturing name would requi
**[4]:** Determined by using the first of the following that applies **[4]:** Determined by using the first of the following that applies
- Port identifier of the [primary server host](../../trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. - Port identifier of the [primary server host](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
- Port identifier of the `Host` header - Port identifier of the `Host` header
**[5]:** If not default (`80` for `http` scheme, `443` for `https`). **[5]:** If not default (`80` for `http` scheme, `443` for `https`).
`http.flavor` has the following list of well-known values. If one of them applies, then the respective value MUST be used, otherwise a custom value MAY be used.
| Value | Description |
|---|---|
| `1.0` | HTTP/1.0 |
| `1.1` | HTTP/1.1 |
| `2.0` | HTTP/2 |
| `3.0` | HTTP/3 |
| `SPDY` | SPDY protocol. |
| `QUIC` | QUIC protocol. |
<!-- endsemconv --> <!-- endsemconv -->
## HTTP Client ## HTTP Client
@ -205,12 +236,12 @@ This metric is required.
| `http.client.duration` | Histogram | `ms` | Measures the duration of outbound HTTP requests. | | `http.client.duration` | Histogram | `ms` | Measures the duration of outbound HTTP requests. |
<!-- endsemconv --> <!-- endsemconv -->
<!-- semconv metric.http.client.duration --> <!-- semconv metric.http.client.duration(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| [`http.flavor`](../../trace/semantic_conventions/http.md) | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended | | `http.flavor` | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended |
| [`http.method`](../../trace/semantic_conventions/http.md) | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required | | `http.method` | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required |
| [`http.status_code`](../../trace/semantic_conventions/http.md) | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. | | `http.status_code` | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. |
| [`net.peer.name`](../../trace/semantic_conventions/span-general.md) | string | Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [2] | `example.com` | Required | | [`net.peer.name`](../../trace/semantic_conventions/span-general.md) | string | Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [2] | `example.com` | Required |
| [`net.peer.port`](../../trace/semantic_conventions/span-general.md) | int | Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [3] | `80`; `8080`; `443` | Conditionally Required: [4] | | [`net.peer.port`](../../trace/semantic_conventions/span-general.md) | int | Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [3] | `80`; `8080`; `443` | Conditionally Required: [4] |
| [`net.sock.peer.addr`](../../trace/semantic_conventions/span-general.md) | string | Remote socket peer address: IPv4 or IPv6 for internet protocols, path for local communication, [etc](https://man7.org/linux/man-pages/man7/address_families.7.html). | `127.0.0.1`; `/tmp/mysql.sock` | Recommended | | [`net.sock.peer.addr`](../../trace/semantic_conventions/span-general.md) | string | Remote socket peer address: IPv4 or IPv6 for internet protocols, path for local communication, [etc](https://man7.org/linux/man-pages/man7/address_families.7.html). | `127.0.0.1`; `/tmp/mysql.sock` | Recommended |
@ -228,6 +259,17 @@ SHOULD NOT be set if capturing it would require an extra DNS lookup.
**[3]:** When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match URI port identifier, otherwise it MUST match `Host` header port identifier. **[3]:** When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match URI port identifier, otherwise it MUST match `Host` header port identifier.
**[4]:** If not default (`80` for `http` scheme, `443` for `https`). **[4]:** If not default (`80` for `http` scheme, `443` for `https`).
`http.flavor` has the following list of well-known values. If one of them applies, then the respective value MUST be used, otherwise a custom value MAY be used.
| Value | Description |
|---|---|
| `1.0` | HTTP/1.0 |
| `1.1` | HTTP/1.1 |
| `2.0` | HTTP/2 |
| `3.0` | HTTP/3 |
| `SPDY` | SPDY protocol. |
| `QUIC` | QUIC protocol. |
<!-- endsemconv --> <!-- endsemconv -->
### Metric: `http.client.request.size` ### Metric: `http.client.request.size`
@ -240,12 +282,12 @@ This metric is optional.
| `http.client.request.size` | Histogram | `By` | Measures the size of HTTP request messages (compressed). | | `http.client.request.size` | Histogram | `By` | Measures the size of HTTP request messages (compressed). |
<!-- endsemconv --> <!-- endsemconv -->
<!-- semconv metric.http.client.request.size --> <!-- semconv metric.http.client.request.size(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| [`http.flavor`](../../trace/semantic_conventions/http.md) | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended | | `http.flavor` | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended |
| [`http.method`](../../trace/semantic_conventions/http.md) | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required | | `http.method` | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required |
| [`http.status_code`](../../trace/semantic_conventions/http.md) | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. | | `http.status_code` | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. |
| [`net.peer.name`](../../trace/semantic_conventions/span-general.md) | string | Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [2] | `example.com` | Required | | [`net.peer.name`](../../trace/semantic_conventions/span-general.md) | string | Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [2] | `example.com` | Required |
| [`net.peer.port`](../../trace/semantic_conventions/span-general.md) | int | Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [3] | `80`; `8080`; `443` | Conditionally Required: [4] | | [`net.peer.port`](../../trace/semantic_conventions/span-general.md) | int | Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [3] | `80`; `8080`; `443` | Conditionally Required: [4] |
| [`net.sock.peer.addr`](../../trace/semantic_conventions/span-general.md) | string | Remote socket peer address: IPv4 or IPv6 for internet protocols, path for local communication, [etc](https://man7.org/linux/man-pages/man7/address_families.7.html). | `127.0.0.1`; `/tmp/mysql.sock` | Recommended | | [`net.sock.peer.addr`](../../trace/semantic_conventions/span-general.md) | string | Remote socket peer address: IPv4 or IPv6 for internet protocols, path for local communication, [etc](https://man7.org/linux/man-pages/man7/address_families.7.html). | `127.0.0.1`; `/tmp/mysql.sock` | Recommended |
@ -263,6 +305,17 @@ SHOULD NOT be set if capturing it would require an extra DNS lookup.
**[3]:** When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match URI port identifier, otherwise it MUST match `Host` header port identifier. **[3]:** When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match URI port identifier, otherwise it MUST match `Host` header port identifier.
**[4]:** If not default (`80` for `http` scheme, `443` for `https`). **[4]:** If not default (`80` for `http` scheme, `443` for `https`).
`http.flavor` has the following list of well-known values. If one of them applies, then the respective value MUST be used, otherwise a custom value MAY be used.
| Value | Description |
|---|---|
| `1.0` | HTTP/1.0 |
| `1.1` | HTTP/1.1 |
| `2.0` | HTTP/2 |
| `3.0` | HTTP/3 |
| `SPDY` | SPDY protocol. |
| `QUIC` | QUIC protocol. |
<!-- endsemconv --> <!-- endsemconv -->
### Metric: `http.client.response.size` ### Metric: `http.client.response.size`
@ -275,12 +328,12 @@ This metric is optional.
| `http.client.response.size` | Histogram | `By` | Measures the size of HTTP response messages (compressed). | | `http.client.response.size` | Histogram | `By` | Measures the size of HTTP response messages (compressed). |
<!-- endsemconv --> <!-- endsemconv -->
<!-- semconv metric.http.client.response.size --> <!-- semconv metric.http.client.response.size(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| [`http.flavor`](../../trace/semantic_conventions/http.md) | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended | | `http.flavor` | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended |
| [`http.method`](../../trace/semantic_conventions/http.md) | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required | | `http.method` | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required |
| [`http.status_code`](../../trace/semantic_conventions/http.md) | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. | | `http.status_code` | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. |
| [`net.peer.name`](../../trace/semantic_conventions/span-general.md) | string | Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [2] | `example.com` | Required | | [`net.peer.name`](../../trace/semantic_conventions/span-general.md) | string | Host identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [2] | `example.com` | Required |
| [`net.peer.port`](../../trace/semantic_conventions/span-general.md) | int | Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [3] | `80`; `8080`; `443` | Conditionally Required: [4] | | [`net.peer.port`](../../trace/semantic_conventions/span-general.md) | int | Port identifier of the ["URI origin"](https://www.rfc-editor.org/rfc/rfc9110.html#name-uri-origin) HTTP request is sent to. [3] | `80`; `8080`; `443` | Conditionally Required: [4] |
| [`net.sock.peer.addr`](../../trace/semantic_conventions/span-general.md) | string | Remote socket peer address: IPv4 or IPv6 for internet protocols, path for local communication, [etc](https://man7.org/linux/man-pages/man7/address_families.7.html). | `127.0.0.1`; `/tmp/mysql.sock` | Recommended | | [`net.sock.peer.addr`](../../trace/semantic_conventions/span-general.md) | string | Remote socket peer address: IPv4 or IPv6 for internet protocols, path for local communication, [etc](https://man7.org/linux/man-pages/man7/address_families.7.html). | `127.0.0.1`; `/tmp/mysql.sock` | Recommended |
@ -298,4 +351,15 @@ SHOULD NOT be set if capturing it would require an extra DNS lookup.
**[3]:** When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match URI port identifier, otherwise it MUST match `Host` header port identifier. **[3]:** When [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) is absolute URI, `net.peer.name` MUST match URI port identifier, otherwise it MUST match `Host` header port identifier.
**[4]:** If not default (`80` for `http` scheme, `443` for `https`). **[4]:** If not default (`80` for `http` scheme, `443` for `https`).
`http.flavor` has the following list of well-known values. If one of them applies, then the respective value MUST be used, otherwise a custom value MAY be used.
| Value | Description |
|---|---|
| `1.0` | HTTP/1.0 |
| `1.1` | HTTP/1.1 |
| `2.0` | HTTP/2 |
| `3.0` | HTTP/3 |
| `SPDY` | SPDY protocol. |
| `QUIC` | QUIC protocol. |
<!-- endsemconv --> <!-- endsemconv -->

28
specification/trace/semantic_conventions/http.md
View File

@ -62,15 +62,15 @@ The common attributes listed in this section apply to both HTTP clients and serv
the specific attributes listed in the [HTTP client](#http-client) and [HTTP server](#http-server) the specific attributes listed in the [HTTP client](#http-client) and [HTTP server](#http-server)
sections below. sections below.
<!-- semconv http --> <!-- semconv trace.http.common(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| `http.method` | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required |
| `http.status_code` | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. | | `http.status_code` | int | [HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6). | `200` | Conditionally Required: If and only if one was received/sent. |
| `http.flavor` | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended | | `http.flavor` | string | Kind of HTTP protocol used. [1] | `1.0` | Recommended |
| `http.user_agent` | string | Value of the [HTTP User-Agent](https://www.rfc-editor.org/rfc/rfc9110.html#field.user-agent) header sent by the client. | `CERN-LineMode/2.15 libwww/2.17b3` | Recommended | | `http.user_agent` | string | Value of the [HTTP User-Agent](https://www.rfc-editor.org/rfc/rfc9110.html#field.user-agent) header sent by the client. | `CERN-LineMode/2.15 libwww/2.17b3` | Recommended |
| `http.request_content_length` | int | The size of the request payload body in bytes. This is the number of bytes transferred excluding headers and is often, but not always, present as the [Content-Length](https://www.rfc-editor.org/rfc/rfc9110.html#field.content-length) header. For requests using transport encoding, this should be the compressed size. | `3495` | Recommended | | `http.request_content_length` | int | The size of the request payload body in bytes. This is the number of bytes transferred excluding headers and is often, but not always, present as the [Content-Length](https://www.rfc-editor.org/rfc/rfc9110.html#field.content-length) header. For requests using transport encoding, this should be the compressed size. | `3495` | Recommended |
| `http.response_content_length` | int | The size of the response payload body in bytes. This is the number of bytes transferred excluding headers and is often, but not always, present as the [Content-Length](https://www.rfc-editor.org/rfc/rfc9110.html#field.content-length) header. For requests using transport encoding, this should be the compressed size. | `3495` | Recommended | | `http.response_content_length` | int | The size of the response payload body in bytes. This is the number of bytes transferred excluding headers and is often, but not always, present as the [Content-Length](https://www.rfc-editor.org/rfc/rfc9110.html#field.content-length) header. For requests using transport encoding, this should be the compressed size. | `3495` | Recommended |
| `http.method` | string | HTTP request method. | `GET`; `POST`; `HEAD` | Required |
| [`net.sock.family`](span-general.md) | string | Protocol [address family](https://man7.org/linux/man-pages/man7/address_families.7.html) which is used for communication. | `inet`; `inet6` | Conditionally Required: [2] | | [`net.sock.family`](span-general.md) | string | Protocol [address family](https://man7.org/linux/man-pages/man7/address_families.7.html) which is used for communication. | `inet`; `inet6` | Conditionally Required: [2] |
| [`net.sock.peer.addr`](span-general.md) | string | Remote socket peer address: IPv4 or IPv6 for internet protocols, path for local communication, [etc](https://man7.org/linux/man-pages/man7/address_families.7.html). | `127.0.0.1`; `/tmp/mysql.sock` | Recommended | | [`net.sock.peer.addr`](span-general.md) | string | Remote socket peer address: IPv4 or IPv6 for internet protocols, path for local communication, [etc](https://man7.org/linux/man-pages/man7/address_families.7.html). | `127.0.0.1`; `/tmp/mysql.sock` | Recommended |
| [`net.sock.peer.name`](span-general.md) | string | Remote socket peer name. | `proxy.example.com` | Recommended: [3] | | [`net.sock.peer.name`](span-general.md) | string | Remote socket peer name. | `proxy.example.com` | Recommended: [3] |
@ -98,6 +98,14 @@ Following attributes MUST be provided **at span creation time** (when provided a
| `3.0` | HTTP/3 | | `3.0` | HTTP/3 |
| `SPDY` | SPDY protocol. | | `SPDY` | SPDY protocol. |
| `QUIC` | QUIC protocol. | | `QUIC` | QUIC protocol. |
`net.sock.family` has the following list of well-known values. If one of them applies, then the respective value MUST be used, otherwise a custom value MAY be used.
| Value | Description |
|---|---|
| `inet` | IPv4 address |
| `inet6` | IPv6 address |
| `unix` | Unix domain socket path |
<!-- endsemconv --> <!-- endsemconv -->
It is recommended to also use the general [socket-level attributes][] - `net.sock.peer.addr` when available, `net.sock.peer.name` and `net.sock.peer.port` when don't match `net.peer.name` and `net.peer.port` (if [intermediary](https://www.rfc-editor.org/rfc/rfc9110.html#section-3.7) is detected). It is recommended to also use the general [socket-level attributes][] - `net.sock.peer.addr` when available, `net.sock.peer.name` and `net.sock.peer.port` when don't match `net.peer.name` and `net.peer.port` (if [intermediary](https://www.rfc-editor.org/rfc/rfc9110.html#section-3.7) is detected).
@ -128,7 +136,7 @@ For an HTTP client span, `SpanKind` MUST be `Client`.
If set, `http.url` must be the originally requested URL, If set, `http.url` must be the originally requested URL,
before any HTTP-redirects that may happen when executing the request. before any HTTP-redirects that may happen when executing the request.
<!-- semconv http.client --> <!-- semconv trace.http.client(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| `http.url` | string | Full HTTP request URL in the form `scheme://host[:port]/path?query[#fragment]`. Usually the fragment is not transmitted over HTTP, but if it is known, it should be included nevertheless. [1] | `https://www.foo.bar/search?q=OpenTelemetry#SemConv` | Required | | `http.url` | string | Full HTTP request URL in the form `scheme://host[:port]/path?query[#fragment]`. Usually the fragment is not transmitted over HTTP, but if it is known, it should be included nevertheless. [1] | `https://www.foo.bar/search?q=OpenTelemetry#SemConv` | Required |
@ -233,20 +241,20 @@ Given an inbound request for a route (e.g. `"/users/:userID?"`) the `name` attri
If the route cannot be determined, the `name` attribute MUST be set as defined in the general semantic conventions for HTTP. If the route cannot be determined, the `name` attribute MUST be set as defined in the general semantic conventions for HTTP.
<!-- semconv http.server --> <!-- semconv trace.http.server(full) -->
| Attribute | Type | Description | Examples | Requirement Level | | Attribute | Type | Description | Examples | Requirement Level |
|---|---|---|---|---| |---|---|---|---|---|
| `http.scheme` | string | The URI scheme identifying the used protocol. | `http`; `https` | Required |
| `http.target` | string | The full request target as passed in a HTTP request line or equivalent. | `/path/12314/?q=ddds` | Required |
| `http.route` | string | The matched route (path template in the format used by the respective server framework). See note below [1] | `/users/:userID?`; `{controller}/{action}/{id?}` | Conditionally Required: If and only if it's available | | `http.route` | string | The matched route (path template in the format used by the respective server framework). See note below [1] | `/users/:userID?`; `{controller}/{action}/{id?}` | Conditionally Required: If and only if it's available |
| `http.target` | string | The full request target as passed in a HTTP request line or equivalent. | `/path/12314/?q=ddds` | Required |
| `http.client_ip` | string | The IP address of the original client behind all proxies, if known (e.g. from [X-Forwarded-For](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For)). [2] | `83.164.160.102` | Recommended | | `http.client_ip` | string | The IP address of the original client behind all proxies, if known (e.g. from [X-Forwarded-For](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For)). [2] | `83.164.160.102` | Recommended |
| `http.scheme` | string | The URI scheme identifying the used protocol. | `http`; `https` | Required |
| [`net.host.name`](span-general.md) | string | Name of the local HTTP server that received the request. [3] | `localhost` | Required | | [`net.host.name`](span-general.md) | string | Name of the local HTTP server that received the request. [3] | `localhost` | Required |
| [`net.host.port`](span-general.md) | int | Port of the local HTTP server that received the request. [4] | `8080` | Conditionally Required: [5] | | [`net.host.port`](span-general.md) | int | Port of the local HTTP server that received the request. [4] | `8080` | Conditionally Required: [5] |
| [`net.sock.host.addr`](span-general.md) | string | Local socket address. Useful in case of a multi-IP host. | `192.168.0.1` | Optional | | [`net.sock.host.addr`](span-general.md) | string | Local socket address. Useful in case of a multi-IP host. | `192.168.0.1` | Optional |
| [`net.sock.host.port`](span-general.md) | int | Local socket port number. | `35555` | Recommended: [6] | | [`net.sock.host.port`](span-general.md) | int | Local socket port number. | `35555` | Recommended: [6] |
**[1]:** MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it. **[1]:** MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
SHOULD include the [application root](#http-server-definitions) if there is one. SHOULD include the [application root](/specification/trace/semantic_conventions/http.md#http-server-definitions) if there is one.
**[2]:** This is not necessarily the same as `net.sock.peer.addr`, which would **[2]:** This is not necessarily the same as `net.sock.peer.addr`, which would
identify the network-level peer, which may be a proxy. identify the network-level peer, which may be a proxy.
@ -262,7 +270,7 @@ the closest proxy.
**[3]:** Determined by using the first of the following that applies **[3]:** Determined by using the first of the following that applies
- The [primary server name](#http-server-definitions) of the matched virtual host. MUST only - The [primary server name](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host. MUST only
include host identifier. include host identifier.
- Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Host identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
@ -272,7 +280,7 @@ SHOULD NOT be set if only IP address is available and capturing name would requi
**[4]:** Determined by using the first of the following that applies **[4]:** Determined by using the first of the following that applies
- Port identifier of the [primary server host](#http-server-definitions) of the matched virtual host. - Port identifier of the [primary server host](/specification/trace/semantic_conventions/http.md#http-server-definitions) of the matched virtual host.
- Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource) - Port identifier of the [request target](https://www.rfc-editor.org/rfc/rfc9110.html#target.resource)
if it's sent in absolute-form. if it's sent in absolute-form.
- Port identifier of the `Host` header - Port identifier of the `Host` header
@ -283,8 +291,8 @@ SHOULD NOT be set if only IP address is available and capturing name would requi
Following attributes MUST be provided **at span creation time** (when provided at all), so they can be considered for sampling decisions: Following attributes MUST be provided **at span creation time** (when provided at all), so they can be considered for sampling decisions:
* `http.scheme`
* `http.target` * `http.target`
* `http.scheme`
* [`net.host.name`](span-general.md) * [`net.host.name`](span-general.md)
* [`net.host.port`](span-general.md) * [`net.host.port`](span-general.md)
<!-- endsemconv --> <!-- endsemconv -->