Logs: SchemaURL is missing in the Resource when using OTLP exporter

[tigrannajaryan]

Describe your environment
Mac OS X
Python 3.9.6

Steps to reproduce

1. Run Collector, with OTLP gRPC receiver and debug output.
2. Run example:

import logging

from opentelemetry import trace
from opentelemetry import _logs

from opentelemetry._logs import set_logger_provider
from opentelemetry.exporter.otlp.proto.grpc._log_exporter import (
    OTLPLogExporter,
)
from opentelemetry.sdk._logs import LoggerProvider, LoggingHandler
from opentelemetry.sdk._logs.export import BatchLogRecordProcessor
from opentelemetry.sdk.resources import Resource
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import (
    BatchSpanProcessor,
    ConsoleSpanExporter,
)

trace.set_tracer_provider(TracerProvider())
trace.get_tracer_provider().add_span_processor(
    BatchSpanProcessor(ConsoleSpanExporter())
)

logger_provider = LoggerProvider(
    resource=Resource.create(
        {
            "service.name": "shoppingcart2",
            "service.instance.id": "instance-23",
        },
        # Set SchemaURL
        "http://opentelemetry.io/schemas/1.0.0"
    ),
)
set_logger_provider(logger_provider)

exporter = OTLPLogExporter(insecure=True)
logger_provider.add_log_record_processor(BatchLogRecordProcessor(exporter))
handler = LoggingHandler(level=logging.NOTSET, logger_provider=logger_provider)


# Attach OTLP handler to root logger
logging.getLogger().addHandler(handler)

# Log directly
logging.info("Jackdaws love my big sphinx of quartz.")

# Create different namespaced loggers
logger1 = logging.getLogger("myapp.area1")
logger2 = logging.getLogger("myapp.area2")

logger1.debug("Quick zephyrs blow, vexing daft Jim.")
logger1.info("How quickly daft jumping zebras vex.")
logger2.warning("Jail zesty vixen who grabbed pay from quack.")
logger2.error("The five boxing wizards jump quickly.")


# Trace context correlation
tracer = trace.get_tracer(__name__)
with tracer.start_as_current_span("foo"):
    # Do something
    logger2.error("Hyderabad, we have a major problem.")

logger_provider.shutdown()

What is the expected behavior?
Resource's SchemaURL should be present.

What is the actual behavior?
Resource's SchemaURL is missing:

2023-11-22T13:19:16.798-0500    info    ResourceLog #0
Resource SchemaURL:
Resource attributes:
     -> telemetry.sdk.language: Str(python)
     -> telemetry.sdk.name: Str(opentelemetry)
     -> telemetry.sdk.version: Str(1.21.0)
     -> service.name: Str(shoppingcart2)
     -> service.instance.id: Str(instance-23)
ScopeLogs #0
ScopeLogs SchemaURL:
InstrumentationScope opentelemetry.sdk._logs._internal
LogRecord #0
ObservedTimestamp: 1970-01-01 00:00:00 +0000 UTC
Timestamp: 2023-11-22 18:19:16.742461952 +0000 UTC
SeverityText: WARNING
SeverityNumber: Warn(13)
Body: Str(Jail zesty vixen who grabbed pay from quack.)
Trace ID:
Span ID:
Flags: 0

Additional context
Part of review open-telemetry/community#1751

[hirotasoshu]

@tigrannajaryan @lzchen Looks like it's missing not only in logs, but also in traces and maybe in metrics (didn't check it)
modified example:

import logging

from opentelemetry import trace
from opentelemetry._logs import set_logger_provider
from opentelemetry.exporter.otlp.proto.grpc._log_exporter import (
    OTLPLogExporter,
)
from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import (
    OTLPSpanExporter,
)
from opentelemetry.sdk._logs import LoggerProvider, LoggingHandler
from opentelemetry.sdk._logs.export import (
    BatchLogRecordProcessor,
    ConsoleLogExporter,
)
from opentelemetry.sdk.resources import Resource
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import (
    BatchSpanProcessor,
    ConsoleSpanExporter,
)

resource = Resource.create(
    {
        "service.name": "shoppingcart",
        "service.instance.id": "instance-12",
    },
    "http://opentelemetry.io/schemas/1.0.0",
)

trace.set_tracer_provider(
    TracerProvider(
        resource=resource
    )
)
trace.get_tracer_provider().add_span_processor(
    BatchSpanProcessor(OTLPSpanExporter())
)

logger_provider = LoggerProvider(
    resource=resource
)
set_logger_provider(logger_provider)

exporter = OTLPLogExporter(insecure=True)
# exporter = ConsoleLogExporter()
logger_provider.add_log_record_processor(BatchLogRecordProcessor(exporter))
handler = LoggingHandler(level=logging.NOTSET, logger_provider=logger_provider)

# Attach OTLP handler to root logger
logging.getLogger().addHandler(handler)

# Log directly
logging.info("Jackdaws love my big sphinx of quartz.")

# Create different namespaced loggers
logger1 = logging.getLogger("myapp.area1")
logger2 = logging.getLogger("myapp.area2")

logger1.debug("Quick zephyrs blow, vexing daft Jim.")
logger1.info("How quickly daft jumping zebras vex.")
logger2.warning("Jail zesty vixen who grabbed pay from quack.")
logger2.error("The five boxing wizards jump quickly.")


# Trace context correlation
tracer = trace.get_tracer(__name__)
with tracer.start_as_current_span("foo"):
    # Do something
    logger2.error("Hyderabad, we have a major problem.")

logger_provider.shutdown()

Resource SchemaURL is missing in logs and in spans:

2024-01-28T13:50:47.556Z        INFO    loggingexporter/logging_exporter.go:72  LogsExporter    {"#logs": 3}
2024-01-28T13:50:47.556Z        DEBUG   loggingexporter/logging_exporter.go:82  ResourceLog #0
Resource SchemaURL:
Resource labels:
     -> telemetry.sdk.language: STRING(python)
     -> telemetry.sdk.name: STRING(opentelemetry)
     -> telemetry.sdk.version: STRING(1.23.0.dev0)
     -> service.name: STRING(shoppingcart)
     -> service.instance.id: STRING(instance-12)
ScopeLogs #0
ScopeLogs SchemaURL:
InstrumentationScope opentelemetry.sdk._logs._internal
LogRecord #0
ObservedTimestamp: 1970-01-01 00:00:00 +0000 UTC
Timestamp: 2024-01-28 13:50:47.538600448 +0000 UTC
Severity: WARNING
Body: Jail zesty vixen who grabbed pay from quack.
Trace ID:
Span ID:
Flags: 0
LogRecord #1
ObservedTimestamp: 1970-01-01 00:00:00 +0000 UTC
Timestamp: 2024-01-28 13:50:47.551443968 +0000 UTC
Severity: ERROR
Body: The five boxing wizards jump quickly.
Trace ID:
Span ID:
Flags: 0
LogRecord #2
ObservedTimestamp: 1970-01-01 00:00:00 +0000 UTC
Timestamp: 2024-01-28 13:50:47.551934976 +0000 UTC
Severity: ERROR
Body: Hyderabad, we have a major problem.
Trace ID: 3ce9097d8505cf1319c235ce6c7101c8
Span ID: e2ae22ab654a3108
Flags: 1

2024-01-28T13:50:47.559Z        INFO    loggingexporter/logging_exporter.go:43  TracesExporter  {"#spans": 1}
2024-01-28T13:50:47.559Z        DEBUG   loggingexporter/logging_exporter.go:52  ResourceSpans #0
Resource SchemaURL:
Resource labels:
     -> telemetry.sdk.language: STRING(python)
     -> telemetry.sdk.name: STRING(opentelemetry)
     -> telemetry.sdk.version: STRING(1.23.0.dev0)
     -> service.name: STRING(shoppingcart)
     -> service.instance.id: STRING(instance-12)
ScopeSpans #0
ScopeSpans SchemaURL:
InstrumentationScope __main__
Span #0
    Trace ID       : 3ce9097d8505cf1319c235ce6c7101c8
    Parent ID      :
    ID             : e2ae22ab654a3108
    Name           : foo
    Kind           : SPAN_KIND_INTERNAL
    Start time     : 2024-01-28 13:50:47.551901613 +0000 UTC
    End time       : 2024-01-28 13:50:47.551996529 +0000 UTC
    Status code    : STATUS_CODE_UNSET
    Status message :

[hirotasoshu]

Yeah, it's missed in metrics too, gonna make a pr with fixes soon