Update semconv to 1.21.0

.codespellrc

@@ -1,4 +1,4 @@
 [codespell]
 # skipping auto generated folders
-skip = ./.tox,./.mypy_cache,./docs/_build,./target,*/LICENSE,./venv,.git
+skip = ./.tox,./.mypy_cache,./docs/_build,./target,*/LICENSE,./venv,.git,./opentelemetry-semantic-conventions
 ignore-words-list = ans,ue,ot,hist,ro

.github/workflows/test.yml

@@ -119,7 +119,7 @@ jobs:
 
   # Contrib unit test suite in order to ensure changes in core do not break anything in contrib.
   # We only run contrib unit tests on the oldest supported Python version (3.7) as running the same tests
-  # on all versions is somewhat redundant. 
+  # on all versions is somewhat redundant.
   contrib-build:
     env:
       # We use these variables to convert between tox and GHA version literals

.gitignore

@@ -63,3 +63,6 @@ target
 # Django example
 
 docs/examples/django/db.sqlite3
+
+# Semantic conventions
+scripts/semconv/semantic-conventions

CHANGELOG.md

@@ -17,6 +17,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#3442](https://github.com/open-telemetry/opentelemetry-python/pull/3442))
 - Do not load Resource on sdk import
   ([#3447](https://github.com/open-telemetry/opentelemetry-python/pull/3447))
+- Update semantic conventions to version 1.21.0
+  ([#3251](https://github.com/open-telemetry/opentelemetry-python/pull/3251))
 
 ## Version 1.20.0/0.41b0 (2023-09-04)
 
@@ -29,7 +31,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#3372](https://github.com/open-telemetry/opentelemetry-python/pull/3372))
 - Update the body type in the log
   ([$3343](https://github.com/open-telemetry/opentelemetry-python/pull/3343))
-- Add max_scale option to Exponential Bucket Histogram Aggregation 
+- Add max_scale option to Exponential Bucket Histogram Aggregation
   ([#3323](https://github.com/open-telemetry/opentelemetry-python/pull/3323))
 - Use BoundedAttributes instead of raw dict to extract attributes from LogRecord
   ([#3310](https://github.com/open-telemetry/opentelemetry-python/pull/3310))

docs/examples/django/README.rst

@@ -84,16 +84,14 @@ output similar to this one:
             "status_code": "OK"
         },
         "attributes": {
-            "http.method": "GET",
-            "http.server_name": "localhost",
-            "http.scheme": "http",
-            "host.port": 8000,
-            "http.host": "localhost:8000",
-            "http.url": "http://localhost:8000/?param=hello",
-            "net.peer.ip": "127.0.0.1",
-            "http.flavor": "1.1",
-            "http.status_text": "OK",
-            "http.status_code": 200
+            "http.request.method": "GET",
+            "server.address": "localhost",
+            "url.scheme": "http",
+            "server.port": 8000,
+            "url.full": "http://localhost:8000/?param=hello",
+            "server.socket.address": "127.0.0.1",
+            "network.protocol.version": "1.1",
+            "http.response.status_code": 200
         },
         "events": [],
         "links": []

opentelemetry-sdk/tests/trace/test_trace.py

@@ -640,12 +640,12 @@ def test_attributes(self):
         with self.tracer.start_as_current_span("root") as root:
             root.set_attributes(
                 {
-                    "http.method": "GET",
-                    "http.url": "https://example.com:779/path/12/?q=d#123",
+                    "http.request.method": "GET",
+                    "url.full": "https://example.com:779/path/12/?q=d#123",
                 }
             )
 
-            root.set_attribute("http.status_code", 200)
+            root.set_attribute("http.response.status_code", 200)
             root.set_attribute("http.status_text", "OK")
             root.set_attribute("misc.pi", 3.14)
 
@@ -661,12 +661,12 @@ def test_attributes(self):
             root.set_attribute("list-of-numerics", list_of_numerics)
 
             self.assertEqual(len(root.attributes), 9)
-            self.assertEqual(root.attributes["http.method"], "GET")
+            self.assertEqual(root.attributes["http.request.method"], "GET")
             self.assertEqual(
-                root.attributes["http.url"],
+                root.attributes["url.full"],
                 "https://example.com:779/path/12/?q=d#123",
             )
-            self.assertEqual(root.attributes["http.status_code"], 200)
+            self.assertEqual(root.attributes["http.response.status_code"], 200)
             self.assertEqual(root.attributes["http.status_text"], "OK")
             self.assertEqual(root.attributes["misc.pi"], 3.14)
             self.assertEqual(root.attributes["attr-key"], "attr-value2")
@@ -1007,7 +1007,7 @@ def test_ended_span(self):
         self.assertEqual(end_time0, root.end_time)
 
         with self.assertLogs(level=WARNING):
-            root.set_attribute("http.method", "GET")
+            root.set_attribute("http.request.method", "GET")
         self.assertEqual(len(root.attributes), 0)
 
         with self.assertLogs(level=WARNING):

opentelemetry-semantic-conventions/src/opentelemetry/semconv/metrics/__init__.py

@@ -12,23 +12,200 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# pylint: disable=too-many-lines
-
 
 class MetricInstruments:
+    SCHEMA_URL = "https://opentelemetry.io/schemas/v1.21.0"
+    """
+    The URL of the OpenTelemetry schema for these keys and values.
+    """
 
     HTTP_SERVER_DURATION = "http.server.duration"
+    """
+    Measures the duration of inbound HTTP requests
+    Instrument: histogram
+    Unit: s
+    """
+
+    HTTP_SERVER_ACTIVE_REQUESTS = "http.server.active_requests"
+    """
+    Measures the number of concurrent HTTP requests that are currently in-flight
+    Instrument: updowncounter
+    Unit: {request}
+    """
 
     HTTP_SERVER_REQUEST_SIZE = "http.server.request.size"
+    """
+    Measures the size of HTTP request messages (compressed)
+    Instrument: histogram
+    Unit: By
+    """
 
     HTTP_SERVER_RESPONSE_SIZE = "http.server.response.size"
-
-    HTTP_SERVER_ACTIVE_REQUESTS = "http.server.active_requests"
+    """
+    Measures the size of HTTP response messages (compressed)
+    Instrument: histogram
+    Unit: By
+    """
 
     HTTP_CLIENT_DURATION = "http.client.duration"
+    """
+    Measures the duration of outbound HTTP requests
+    Instrument: histogram
+    Unit: s
+    """
 
     HTTP_CLIENT_REQUEST_SIZE = "http.client.request.size"
+    """
+    Measures the size of HTTP request messages (compressed)
+    Instrument: histogram
+    Unit: By
+    """
 
     HTTP_CLIENT_RESPONSE_SIZE = "http.client.response.size"
+    """
+    Measures the size of HTTP response messages (compressed)
+    Instrument: histogram
+    Unit: By
+    """
+
+    PROCESS_RUNTIME_JVM_MEMORY_INIT = "process.runtime.jvm.memory.init"
+    """
+    Measure of initial memory requested
+    Instrument: updowncounter
+    Unit: By
+    """
+
+    PROCESS_RUNTIME_JVM_SYSTEM_CPU_UTILIZATION = (
+        "process.runtime.jvm.system.cpu.utilization"
+    )
+    """
+    Recent CPU utilization for the whole system as reported by the JVM
+    Instrument: gauge
+    Unit: 1
+    """
+
+    PROCESS_RUNTIME_JVM_SYSTEM_CPU_LOAD_1M = (
+        "process.runtime.jvm.system.cpu.load_1m"
+    )
+    """
+    Average CPU load of the whole system for the last minute as reported by the JVM
+    Instrument: gauge
+    Unit: 1
+    """
+
+    PROCESS_RUNTIME_JVM_BUFFER_USAGE = "process.runtime.jvm.buffer.usage"
+    """
+    Measure of memory used by buffers
+    Instrument: updowncounter
+    Unit: By
+    """
+
+    PROCESS_RUNTIME_JVM_BUFFER_LIMIT = "process.runtime.jvm.buffer.limit"
+    """
+    Measure of total memory capacity of buffers
+    Instrument: updowncounter
+    Unit: By
+    """
+
+    PROCESS_RUNTIME_JVM_BUFFER_COUNT = "process.runtime.jvm.buffer.count"
+    """
+    Number of buffers in the pool
+    Instrument: updowncounter
+    Unit: {buffer}
+    """
+
+    PROCESS_RUNTIME_JVM_MEMORY_USAGE = "process.runtime.jvm.memory.usage"
+    """
+    Measure of memory used
+    Instrument: updowncounter
+    Unit: By
+    """
+
+    PROCESS_RUNTIME_JVM_MEMORY_COMMITTED = (
+        "process.runtime.jvm.memory.committed"
+    )
+    """
+    Measure of memory committed
+    Instrument: updowncounter
+    Unit: By
+    """
+
+    PROCESS_RUNTIME_JVM_MEMORY_LIMIT = "process.runtime.jvm.memory.limit"
+    """
+    Measure of max obtainable memory
+    Instrument: updowncounter
+    Unit: By
+    """
+
+    PROCESS_RUNTIME_JVM_MEMORY_USAGE_AFTER_LAST_GC = (
+        "process.runtime.jvm.memory.usage_after_last_gc"
+    )
+    """
+    Measure of memory used, as measured after the most recent garbage collection event on this pool
+    Instrument: updowncounter
+    Unit: By
+    """
+
+    PROCESS_RUNTIME_JVM_GC_DURATION = "process.runtime.jvm.gc.duration"
+    """
+    Duration of JVM garbage collection actions
+    Instrument: histogram
+    Unit: s
+    """
+
+    PROCESS_RUNTIME_JVM_THREADS_COUNT = "process.runtime.jvm.threads.count"
+    """
+    Number of executing platform threads
+    Instrument: updowncounter
+    Unit: {thread}
+    """
+
+    PROCESS_RUNTIME_JVM_CLASSES_LOADED = "process.runtime.jvm.classes.loaded"
+    """
+    Number of classes loaded since JVM start
+    Instrument: counter
+    Unit: {class}
+    """
+
+    PROCESS_RUNTIME_JVM_CLASSES_UNLOADED = (
+        "process.runtime.jvm.classes.unloaded"
+    )
+    """
+    Number of classes unloaded since JVM start
+    Instrument: counter
+    Unit: {class}
+    """
+
+    PROCESS_RUNTIME_JVM_CLASSES_CURRENT_LOADED = (
+        "process.runtime.jvm.classes.current_loaded"
+    )
+    """
+    Number of classes currently loaded
+    Instrument: updowncounter
+    Unit: {class}
+    """
+
+    PROCESS_RUNTIME_JVM_CPU_TIME = "process.runtime.jvm.cpu.time"
+    """
+    CPU time used by the process as reported by the JVM
+    Instrument: counter
+    Unit: s
+    """
+
+    PROCESS_RUNTIME_JVM_CPU_RECENT_UTILIZATION = (
+        "process.runtime.jvm.cpu.recent_utilization"
+    )
+    """
+    Recent CPU utilization for the process as reported by the JVM
+    Instrument: gauge
+    Unit: 1
+    """
+
+    # Manually defined metrics
 
     DB_CLIENT_CONNECTIONS_USAGE = "db.client.connections.usage"
+    """
+    The number of connections that are currently in state described by the `state` attribute
+    Instrument: UpDownCounter
+    Unit: {connection}
+    """