Initialize OneSettings for Microsoft distro

[Leighton Chen (lzchen)]

Summary

• initialize the shared OneSettings configuration manager from use_microsoft_opentelemetry() with the Microsoft distro profile
• initialize the profile before Azure Monitor exporters so component="mot" and the distro version win first-write profile matching
• update the Azure Monitor exporter requirement to 1.0.0b56
• add orchestration coverage and an unreleased changelog entry
• ignore VS Code workspace files

Testing

• python -m pytest tests\test_distro.py tests\azure_monitor\test_configure.py --quiet (104 passed in the OTM virtual environment)

[github-actions]

Performance comparison

Threshold: regressions >15.0% on gating scenarios fail the build. Higher ops/s is better; positive Δ means the PR is slower.

Scenario	Gating	Baseline (ops/s)	Candidate (ops/s)	Δ %	Status
azure_monitor_log	yes	18,747.7	18,726.6	+0.11%	✅
azure_monitor_span	yes	154,750.9	156,445.6	-1.08%	✅
otel_log	no	22,254.9	22,220.2	+0.16%	✅
otel_span	no	38,242.4	38,704.2	-1.19%	✅

[Copilot]

Pull request overview

This PR initializes the shared OneSettings configuration manager from use_microsoft_opentelemetry() so the Microsoft distro identity (component="mot" and distro VERSION) is registered early (before Azure Monitor exporter setup), and updates the Azure Monitor exporter dependency accordingly.

Changes:

• Initialize OneSettings configuration manager at the start of use_microsoft_opentelemetry().
• Update azure-monitor-opentelemetry-exporter dependency to ~=1.0.0b56 (and lockfile).
• Add orchestration tests and an unreleased changelog entry; ignore .vscode/ workspace files.

Reviewed changes

Copilot reviewed 4 out of 6 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/microsoft/opentelemetry/_distro.py	Adds config manager initialization ahead of exporter setup.
tests/test_distro.py	Adds tests verifying initialization ordering and disable behavior.
pyproject.toml	Bumps Azure Monitor exporter requirement to ~=1.0.0b56.
uv.lock	Updates locked Azure Monitor exporter version and metadata.
CHANGELOG.md	Adds unreleased entry for the OneSettings initialization behavior.
.gitignore	Ignores .vscode/ directory.

Suppressed comments (1)

src/microsoft/opentelemetry/_distro.py:106

• _initialize_configuration_manager() currently assumes get_configuration_manager() is always available and that initialize() cannot fail. Since this is a best-effort control-plane contribution, it’s safer to (1) no-op when get_configuration_manager is unavailable (e.g., import guarded) and (2) catch unexpected exceptions so a OneSettings failure doesn’t prevent the distro from configuring OpenTelemetry.

    """Contribute the Microsoft distro identity to the shared OneSettings profile."""
    config_manager = get_configuration_manager()
    if config_manager:
        # Profile fields are first-wins, so initialize before exporters add their fields.
        config_manager.initialize(component="mot", version=VERSION)

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[Leighton Chen (lzchen)]

Closing in favor of #244