chore(rcm): update warning message (backport #5223 to 1.9) (#5278)

#5223

## Checklist

- [x] Change(s) are motivated and described in the PR description.
- [x] Testing strategy is described if automated tests are not included
in the PR.
- [x] Risk is outlined (performance impact, potential for breakage,
maintainability, etc).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] [Library release note
guidelines](https://ddtrace.readthedocs.io/en/stable/contributing.html#Release-Note-Guidelines)
are followed.
- [x] Documentation is included (in-code, generated user docs, [public
corp docs](https://github.com/DataDog/documentation/)).
- [x] Author is aware of the performance implications of this PR as
reported in the benchmarks PR comment.

## Reviewer Checklist

- [x] Title is accurate.
- [x] No unnecessary changes are introduced.
- [x] Description motivates each change.
- [x] Avoids breaking
[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
changes unless absolutely necessary.
- [x] Testing strategy adequately addresses listed risk(s).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] Release note makes sense to a user of the library.
- [x] Reviewer is aware of, and discussed the performance implications
of this PR as reported in the benchmarks PR comment.

Co-authored-by: Alberto Vara <[email protected]>

Author: mabdinur

ddtrace/internal/remoteconfig/__init__.py

@@ -1,3 +1,5 @@
+import logging
+import os
 from typing import Optional
 
 from ddtrace.internal import agent
@@ -6,6 +8,7 @@
 from ddtrace.internal.logger import get_logger
 from ddtrace.internal.remoteconfig.constants import REMOTE_CONFIG_AGENT_ENDPOINT
 from ddtrace.internal.remoteconfig.worker import RemoteConfigWorker
+from ddtrace.internal.utils.formats import asbool
 
 
 log = get_logger(__name__)
@@ -24,13 +27,19 @@ def _check_remote_config_enable_in_agent(cls):
                 "/" + REMOTE_CONFIG_AGENT_ENDPOINT
             ) in data.get("endpoints", []):
                 return True
-        log.warning(
+
+        if asbool(os.environ.get("DD_TRACE_DEBUG")) or "DD_REMOTE_CONFIGURATION_ENABLED" in os.environ:
+            LOG_LEVEL = logging.WARNING
+        else:
+            LOG_LEVEL = logging.DEBUG
+
+        log.log(
+            LOG_LEVEL,
             "Agent is down or Remote Config is not enabled in the Agent\n"
             "Check your Agent version, you need an Agent running on 7.39.1 version or above.\n"
             "Check Your Remote Config environment variables on your Agent:\n"
             "DD_REMOTE_CONFIGURATION_ENABLED=true\n"
-            "DD_REMOTE_CONFIGURATION_KEY=<YOUR-KEY>\n"
-            "See: https://app.datadoghq.com/organization-settings/remote-config"
+            "See: https://docs.datadoghq.com/agent/guide/how_remote_config_works/",
         )
         return False