feat(config): Add MeterProvider support for declarative config

CHANGELOG.md

@@ -12,6 +12,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- `opentelemetry-sdk`: Add `create_meter_provider`/`configure_meter_provider` to declarative file configuration, enabling MeterProvider instantiation from config files without reading env vars
+  ([#4987](https://github.com/open-telemetry/opentelemetry-python/pull/4987))
+- `opentelemetry-sdk`: Add `create_resource` and `create_propagator`/`configure_propagator` to declarative file configuration, enabling Resource and propagator instantiation from config files without reading env vars
+  ([#4979](https://github.com/open-telemetry/opentelemetry-python/pull/4979))
 - `opentelemetry-sdk`: Add file configuration support with YAML/JSON loading, environment variable substitution, and schema validation against the vendored OTel config JSON schema
   ([#4898](https://github.com/open-telemetry/opentelemetry-python/pull/4898))
 - Fix intermittent CI failures in `getting-started` and `tracecontext` jobs caused by GitHub git CDN SHA propagation lag by installing contrib packages from the already-checked-out local copy instead of a second git clone

opentelemetry-sdk/src/opentelemetry/sdk/_configuration/_exceptions.py

@@ -0,0 +1,25 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+class ConfigurationError(Exception):
+    """Raised when configuration loading, parsing, validation, or instantiation fails.
+
+    This includes errors from:
+    - File not found or inaccessible
+    - Invalid YAML/JSON syntax
+    - Schema validation failures
+    - Environment variable substitution errors
+    - Missing required SDK extensions (e.g., propagator packages not installed)
+    """