feat(DATAGO-126647): Add global feature flag initialization and schema cleanup#1221
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Pull request overview
Introduces a module-level feature-flag initialization path so OpenFeature-backed flag evaluation is available across all SAM entry points, and aligns the feature flag schema with expanded Solace Cloud release stages.
Changes:
- Added
common.features.corefor lazy, idempotent global feature-flag initialization + registry introspection helpers. - Wired initialization into core entry points (e.g.,
SamComponentBase.__init__, CLI group callback) and simplified the HTTP SSE gateway’s feature-flag setup. - Renamed schema fields (
default_enabled→default,jira_epic→jira), expandedReleasePhase, and updated YAML + tests accordingly.
Reviewed changes
Copilot reviewed 19 out of 20 changed files in this pull request and generated 4 comments.
Show a summary per file
| File | Description |
|---|---|
.gitignore |
Ignores tmp2/. |
cli/main.py |
Initializes feature flags for all CLI commands via group callback. |
src/solace_agent_mesh/common/features/__init__.py |
Re-exports core feature flag functions (initialize, get_registry, etc.). |
src/solace_agent_mesh/common/features/checker.py |
Updates default resolution to FeatureDefinition.default. |
src/solace_agent_mesh/common/features/core.py |
New global initialization + introspection module for OpenFeature-backed flags. |
src/solace_agent_mesh/common/features/features.yaml |
Updates schema docs and example flag to new fields + release phases. |
src/solace_agent_mesh/common/features/registry.py |
Schema rename + expanded ReleasePhase enum and parsing/validation updates. |
src/solace_agent_mesh/common/sac/sam_component_base.py |
Calls feature_flags.initialize() during component construction. |
src/solace_agent_mesh/gateway/http_sse/component.py |
Removes manual feature setup; _init_feature_checker now logs count using global registry. |
src/solace_agent_mesh/gateway/http_sse/dependencies.py |
Attempts to re-export FastAPI feature dependencies (currently problematic). |
src/solace_agent_mesh/gateway/http_sse/routers/dto/responses/feature_flag_responses.py |
Updates release_phase field description to expanded set. |
src/solace_agent_mesh/gateway/http_sse/routers/feature_flags.py |
Switches flag evaluation to OpenFeature client + registry introspection (no component dependency). |
src/solace_agent_mesh/services/platform/api/dependencies.py |
Attempts to import shared FastAPI feature dependencies (currently problematic). |
tests/integration/apis/test_feature_flags_router.py |
Updates expected release_phase string. |
tests/unit/common/test_feature_checker.py |
Updates tests for schema rename + new GA enum value. |
tests/unit/common/test_feature_core.py |
Adds unit tests for core initialization behavior and enterprise loading paths. |
tests/unit/common/test_feature_provider.py |
Updates schema fields used in provider tests. |
tests/unit/common/test_feature_registry.py |
Updates schema fields and expands release phase coverage. |
tests/unit/gateway/http_sse/routers/test_feature_flags_router.py |
Updates DTO mapping tests for renamed fields/expanded phases. |
tests/unit/gateway/http_sse/test_init_feature_checker.py |
Refactors to log-only behavior with global initialization. |
Comments suppressed due to low confidence (2)
src/solace_agent_mesh/gateway/http_sse/dependencies.py:845
- This import references
...common.features.fastapi, but that module does not exist insrc/solace_agent_mesh/common/features/(and the referenced helpers are not defined elsewhere). This will fail at import time. Addcommon/features/fastapi.py(or correct the import to the real module) before re-exporting from this file.
from ...common.features.fastapi import get_feature_value, require_feature
src/solace_agent_mesh/gateway/http_sse/dependencies.py:845
- Ruff will flag this late-file import (
E402) and (once the target module exists) the imported names are unused (F401) unless you explicitly mark this as a re-export. If the intent is to re-export these dependencies from this module, move the import to the top-level import section and add an explicit__all__entry or a# noqa: F401with a short comment explaining the re-export to keep lint clean.
from ...common.features.fastapi import get_feature_value, require_feature
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…sal flag access Replaces per-component FeatureChecker setup with a module-level service backed by the OpenFeature client, so that flag evaluation is available from any code path (agents, gateways, utilities) — not just HttpSseGatewayComponent. Key decisions: - Evaluation always goes through `openfeature_api.get_client()` so registered hooks (audit logging, telemetry) fire on every call. - `FeatureChecker` remains an internal implementation detail; application code must not call it directly. - Module-level functions (no class wrapper) because the OpenFeature client is already a singleton; an extra class adds redundant indirection. Changes: - `common/features/service.py`: thread-safe lazy init; `initialize()`, `is_feature_enabled()` (OpenFeature-backed), `is_known_flag()`, `has_env_override()`, `get_registry()`, `load_flags_from_yaml()`, `_reset_for_testing()`. - `common/features/__init__.py`: export all public service functions. - `gateway/http_sse/component.py`: `_init_feature_checker()` calls `feature_flags.initialize()` then triggers enterprise flag loading. - `gateway/http_sse/routers/feature_flags.py`: router imports module-level functions directly — no longer depends on the SAC component. - `common/sac/sam_component_base.py`: removed per-instance `feature_checker`; callers import `is_feature_enabled` directly from the service module. - Tests: `test_feature_service.py` (new), `test_init_feature_checker.py` (updated); synthetic keys only — no real production flag names. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> fix: Address Copilot review comments on feature flag PR - Remove duplicate openfeature_api import in test_feature_core.py - Add noqa: F401 to re-export imports in gateway and platform dependencies - Add comment to core.py explaining _initialized ordering and thread-safety tradeoff Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> fix: Remove personal tmp2/ entry from .gitignore Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Remove _init_feature_checker() from WebUIBackendComponent — the method only contained a log statement and its name implied initialisation work that is already done by SamComponentBase.__init__. Log inlined at the call site. Remove noqa re-exports of require_feature/get_feature_value from both dependencies.py files — no routers import them via that path, and the indirection implied a convention that was never established. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…oduction path - Fix model_config_ui entry in features.yaml to use new field names (default_enabled→default, jira_epic→jira, release_phase ga→general_availability) - Fix log wording in component.py: "initialised" → "ready" - Rewrite TestGetFeatureFlagsLogic to exercise the production code path (openfeature_api.get_client() + feature_flags.get_registry()) instead of a stale FeatureChecker fixture; flags are found by key since community flags also load alongside test flags - Fix test_uvicorn_config: mock feature_flags to prevent lazy init colliding with patched builtins.__import__ Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Pull request overview
Copilot reviewed 20 out of 20 changed files in this pull request and generated 1 comment.
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…config test Aligns with the established codebase pattern for intercepting successful inline imports. Removes the fragile __import__ lambda that called the patched version of itself in the else-branch. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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…a cleanup (#1221) * feat(DATAGO-126647): Add module-level feature flag service for universal flag access Replaces per-component FeatureChecker setup with a module-level service backed by the OpenFeature client, so that flag evaluation is available from any code path (agents, gateways, utilities) — not just HttpSseGatewayComponent. Key decisions: - Evaluation always goes through `openfeature_api.get_client()` so registered hooks (audit logging, telemetry) fire on every call. - `FeatureChecker` remains an internal implementation detail; application code must not call it directly. - Module-level functions (no class wrapper) because the OpenFeature client is already a singleton; an extra class adds redundant indirection. Changes: - `common/features/service.py`: thread-safe lazy init; `initialize()`, `is_feature_enabled()` (OpenFeature-backed), `is_known_flag()`, `has_env_override()`, `get_registry()`, `load_flags_from_yaml()`, `_reset_for_testing()`. - `common/features/__init__.py`: export all public service functions. - `gateway/http_sse/component.py`: `_init_feature_checker()` calls `feature_flags.initialize()` then triggers enterprise flag loading. - `gateway/http_sse/routers/feature_flags.py`: router imports module-level functions directly — no longer depends on the SAC component. - `common/sac/sam_component_base.py`: removed per-instance `feature_checker`; callers import `is_feature_enabled` directly from the service module. - Tests: `test_feature_service.py` (new), `test_init_feature_checker.py` (updated); synthetic keys only — no real production flag names. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> fix: Address Copilot review comments on feature flag PR - Remove duplicate openfeature_api import in test_feature_core.py - Add noqa: F401 to re-export imports in gateway and platform dependencies - Add comment to core.py explaining _initialized ordering and thread-safety tradeoff Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> fix: Remove personal tmp2/ entry from .gitignore Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix: Inline feature flag log and remove unused re-exports Remove _init_feature_checker() from WebUIBackendComponent — the method only contained a log statement and its name implied initialisation work that is already done by SamComponentBase.__init__. Log inlined at the call site. Remove noqa re-exports of require_feature/get_feature_value from both dependencies.py files — no routers import them via that path, and the indirection implied a convention that was never established. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix: Normalise model_config_ui flag schema; align router test with production path - Fix model_config_ui entry in features.yaml to use new field names (default_enabled→default, jira_epic→jira, release_phase ga→general_availability) - Fix log wording in component.py: "initialised" → "ready" - Rewrite TestGetFeatureFlagsLogic to exercise the production code path (openfeature_api.get_client() + feature_flags.get_registry()) instead of a stale FeatureChecker fixture; flags are found by key since community flags also load alongside test flags - Fix test_uvicorn_config: mock feature_flags to prevent lazy init colliding with patched builtins.__import__ Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix: Use sys.modules patch instead of builtins.__import__ in uvicorn config test Aligns with the established codebase pattern for intercepting successful inline imports. Removes the fragile __import__ lambda that called the patched version of itself in the else-branch. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> --------- Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
…nd support [4/4] (#1231) * feat: Converting the LiteLlm class to support dynamic model provider * refactor: remove unused model listener setup from SamComponentBase * feat: implement DynamicModelProvider for enterprise model configuration * feat: enhance DynamicModelProvider with ModelConfigReceiverComponent and internal config listener flow * refactor: format lazy model mode initialization for better readability * fix: replace ensure_future with create_task for starting model listener in lazy mode * fix: prevent unnecessary actions when not in lazy model mode * feat: add dynamic model provider configuration to SamAgentAppConfig and update validation logic * feat: update dynamic model provider to include bootstrap response topic and model provider ID * commit * feat: refactor model handling in services and tools to utilize LiteLLM from parent * feat: add model and model_provider fields to platform service configuration * feat: enhance logging for model provider configuration and include component type in bootstrap request * cleanup * feature flagged * adding tests * more tests * more cleanup * removed support for features.yaml, will just go with an env variable for now. * clean up and unit tests * fixed unit tests * remove files that should not be in PR * clean up * restore database_helpers.py * fixed missing import * cleaned get responses * update environment variable checks from SAM_FEATURE_MODEL_CONFIG_BE to SAM_FEATURE_MODEL_CONFIG_UI * Implement model configuration bootstrap listener and update topic management - Added BootstrapRequestListenerComponent to handle model config bootstrap requests. - Introduced dynamic model provider topics for better topic management. - Enhanced PlatformServiceComponent to start a bootstrap listener based on feature flag. - Updated ModelConfigService to retrieve model configurations by alias or ID. - Added FastAPI dependencies for accessing component instances. * fix: update environment variable checks for model configuration in SAM components * feat: implement model configurations router with CRUD endpoints and topic emissions * fix: streamline component ID retrieval and fallback mechanism in SamComponentBase * fix: streamline component ID retrieval and fallback mechanism in SamComponentBase * fix: cast ModelConfiguration ID to string for accurate alias matching * feat: enhance DynamicModelProvider with async initialization and model config listening * feat(tests): Add unit tests for LiteLlm and SamAgentComponent functionality * refactor: Update LiteLlm model configuration and improve type hints in SamComponentBase * fix: Update YAML include paths from ../../ to ../ for workflow files * feat(tests): add unit tests for DynamicModelProvider and ModelConfigReceiverComponent * feat(tests): add unit tests for PromptBuilderAssistant and TitleGenerationService dependencies * feat(tests): add unit tests for model configurations router, bootstrap request listener, dependencies, model config service, and repository * fix: raise ValueError for missing host component in _get_model_for_phase function * fix(sam_component_base): update model initialization in lazy model mode * fix(lite_llm): set model name during initialization in LiteLlm class * fix(dynamic_model_provider): add warning log for uninitialized LiteLlm instance after configuration attempts * fix(dynamic_model_provider): replace direct initialization flag with mark_initialized method * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Signed-off-by: Cyrus Mobini <68962752+cyrus2281@users.noreply.github.com> * refactor: streamline model config retrieval in BootstrapRequestListenerComponent * refactor: remove redundant imports in model_config_service.py * feat(DATAGO-126654): Add integration tests for LiteLlm OAuth and API key initialization * fix: Update models validation logic for workflows (#1223) * feat(DATAGO-126647): Add global feature flag initialization and schema cleanup (#1221) * feat(DATAGO-126647): Add module-level feature flag service for universal flag access Replaces per-component FeatureChecker setup with a module-level service backed by the OpenFeature client, so that flag evaluation is available from any code path (agents, gateways, utilities) — not just HttpSseGatewayComponent. Key decisions: - Evaluation always goes through `openfeature_api.get_client()` so registered hooks (audit logging, telemetry) fire on every call. - `FeatureChecker` remains an internal implementation detail; application code must not call it directly. - Module-level functions (no class wrapper) because the OpenFeature client is already a singleton; an extra class adds redundant indirection. Changes: - `common/features/service.py`: thread-safe lazy init; `initialize()`, `is_feature_enabled()` (OpenFeature-backed), `is_known_flag()`, `has_env_override()`, `get_registry()`, `load_flags_from_yaml()`, `_reset_for_testing()`. - `common/features/__init__.py`: export all public service functions. - `gateway/http_sse/component.py`: `_init_feature_checker()` calls `feature_flags.initialize()` then triggers enterprise flag loading. - `gateway/http_sse/routers/feature_flags.py`: router imports module-level functions directly — no longer depends on the SAC component. - `common/sac/sam_component_base.py`: removed per-instance `feature_checker`; callers import `is_feature_enabled` directly from the service module. - Tests: `test_feature_service.py` (new), `test_init_feature_checker.py` (updated); synthetic keys only — no real production flag names. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> fix: Address Copilot review comments on feature flag PR - Remove duplicate openfeature_api import in test_feature_core.py - Add noqa: F401 to re-export imports in gateway and platform dependencies - Add comment to core.py explaining _initialized ordering and thread-safety tradeoff Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> fix: Remove personal tmp2/ entry from .gitignore Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix: Inline feature flag log and remove unused re-exports Remove _init_feature_checker() from WebUIBackendComponent — the method only contained a log statement and its name implied initialisation work that is already done by SamComponentBase.__init__. Log inlined at the call site. Remove noqa re-exports of require_feature/get_feature_value from both dependencies.py files — no routers import them via that path, and the indirection implied a convention that was never established. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix: Normalise model_config_ui flag schema; align router test with production path - Fix model_config_ui entry in features.yaml to use new field names (default_enabled→default, jira_epic→jira, release_phase ga→general_availability) - Fix log wording in component.py: "initialised" → "ready" - Rewrite TestGetFeatureFlagsLogic to exercise the production code path (openfeature_api.get_client() + feature_flags.get_registry()) instead of a stale FeatureChecker fixture; flags are found by key since community flags also load alongside test flags - Fix test_uvicorn_config: mock feature_flags to prevent lazy init colliding with patched builtins.__import__ Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix: Use sys.modules patch instead of builtins.__import__ in uvicorn config test Aligns with the established codebase pattern for intercepting successful inline imports. Removes the fragile __import__ lambda that called the patched version of itself in the else-branch. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> --------- Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com> * fix: preserve streamed text in run_based_response_buffer for final task response (#1224) When stream_batching_threshold_bytes > 0, agent status signals could flush the streaming buffer via _flush_buffer_if_needed without appending the text to run_based_response_buffer. This caused the final task response to have empty text for run-based sessions. The fix ensures _flush_buffer_if_needed appends flushed text to run_based_response_buffer for run-based sessions instead of publishing it as a partial status update. Regression introduced in 1.13.1 by commit 78121ea which changed stream_batching_threshold_bytes default from 0 to 100. * fix(DATAGO-128618): Fixing vulnerabilities pypdf (#1218) * fix(DATAGO-128618): Update pypdf to 6.9.1 * fix(DATAGO): Upgrade pip, sqlite3 * fix(DATAGO-128618): freetype update * fix(DATAGO-128618): Removed pip from dependencies * Revert "fix(DATAGO-128618): Removed pip from dependencies" This reverts commit 5b58a5a. * Revert "fix(DATAGO-128618): freetype update" This reverts commit 10afaa2. * Revert "fix(DATAGO): Upgrade pip, sqlite3" This reverts commit 8499ede. * [ci skip] Bump version to 1.18.15 * feat(DATAGO-127337): Auto-compaction accordian (#1211) * feat(DATAGO-127337): Implement compaction notification feature with UI and backend support * fix(tests): Update assertions in session compaction tests to verify LLM output * fix(tests): Update notification tests to use structured data signals for interactive and background tasks * fix(ChatProvider): Ensure separate message bubbles for compaction notifications * feat: Introduce AccordionCard component and refactor usage in CompactionNotification and DocumentSourceCard * feat(ChatProvider): Implement message processing utilities for compaction notifications * refactor(ChatProvider): rename filterContentParts to filterRenderableDataParts and update related logic * fix: update mock LLM assertions to include api_key parameter * refactor: update LiteLlm attributes to use PrivateAttr for better encapsulation test: enhance BootstrapRequestListener tests to use dynamic model provider listener mocks * refactor: replace ComponentBase with SamComponentBase in ModelConfigReceiverComponent * refactor: replace SamComponentBase with ComponentBase in ModelConfigReceiverComponent --------- Signed-off-by: Cyrus Mobini <68962752+cyrus2281@users.noreply.github.com> Co-authored-by: Paul Jones <paul.jones@solace.com> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-authored-by: Hugo Paré <hugo.pare@solace.com> Co-authored-by: Benjamin Wiebe <benjamin.wiebe@solace.com> Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com> Co-authored-by: Greg Meldrum <greg.meldrum@solace.com> Co-authored-by: Solace-RichardZhang <richard.zhang@solace.com> Co-authored-by: GitHub Action <action@github.com> Co-authored-by: Jamie Karam <jamiekaram16@gmail.com>




What is the purpose of this change?
Feature flag evaluation was previously only available to
HttpSseGatewayComponentvia a manually constructedself.feature_checker. Agents, the platform service, utilities, and the CLI had no access to flags at all.This PR makes feature flags universally available across the entire SAM codebase by introducing a module-level initialization path (
common/features/core.py) that is called automatically at every entry point. It also rolls in the schema field renames from PR #1215 (which this supersedes) and backports the FastAPI dependency helpers from PR #1178 to a shared location.How was this change implemented?
New:
common/features/core.pyModule-level functions (no class wrapper — the OpenFeature client is already a global singleton).
initialize()performs the full setup in one idempotent, thread-safe call: loadsfeatures.yamlinto aFeatureRegistry, creates aFeatureChecker, registersSamFeatureProviderwith OpenFeature, and then attempts to load enterprise flags via_register_enterprise_feature_flags(). The_initializedflag is set before the enterprise call to prevent recursion throughload_flags_from_yaml.SamComponentBase.__init__callsfeature_flags.initialize()— every agent, gateway, and platform service component gets community + enterprise flags wired at construction with no per-component setup required.self.feature_checkeris removed.cli/main.pycallsfeature_flags.initialize()in thecli()group callback so every CLI subcommand has flags available.gateway/http_sse/component.py_init_feature_checker()is now log-only — all initialization happens in the base class. The manualFeatureRegistry/FeatureChecker/SamFeatureProvider/ enterprise loading block is removed.New:
common/features/fastapi.pyBackport of
require_feature(key)andget_feature_value(key)FastAPI dependency factories (originally from PR #1178), extracted to a shared location. Both helpers are re-exported fromgateway/http_sse/dependencies.pyandservices/platform/api/dependencies.py.Schema cleanup (supersedes PR #1215):
FeatureDefinition.default_enabled→default,jira_epic→jiraReleasePhaseenum expanded:experimental,early_access,beta,controlled_availability,general_availability,deprecated(aligned with Solace Cloud release stages)features.yamlupdated accordinglyKey Design Decisions
No
is_feature_enabled()wrapper. All flag evaluation goes throughopenfeature_api.get_client().get_boolean_value(key, False)directly. This ensures OpenFeature hooks (telemetry, audit logging) fire on every evaluation and the provider remains swappable. A convenience wrapper would bypass this.Enterprise loading inside
initialize()rather than duplicated at each entry point. The_initializedflag is set before the enterprise import attempt so thatload_flags_from_yaml()(called by enterprise registration) cannot recurse back intoinitialize().core.pynot a class. The OpenFeature client is already a global singleton; wrapping it in another class adds indirection without benefit.How was this change tested?
GET /api/v1/config/featuresreturns both community and enterprise flags with newrelease_phasevalues;SAM_FEATURE_BACKGROUND_TASKS=truecorrectly setsresolved: trueandhas_env_override: true;sam runstarts without feature flag errorstests/unit/common/test_feature_core.py(315 lines) — lazy init, idempotent/concurrent init, community YAML loading, extra YAML merging, OpenFeature provider registration, env var overrides, enterprise loading (with and without enterprise installed), reset/reinit. Updatedtest_feature_registry.py,test_feature_checker.py,test_feature_provider.py,test_feature_flags_router.pyfor schema renames and expandedReleasePhasevalues.test_init_feature_checker.pyslimmed to log-only behaviour.tests/integration/apis/test_feature_flags_router.pyupdated for newrelease_phasevalue formatIs there anything the reviewers should focus on/be aware of?
_initialized = Truebefore enterprise call (core.py_do_initialize) — this ordering is intentional and load-bearing. Reversing it causes infinite recursion when enterprise callsload_flags_from_yaml.self.feature_checkerremoved from all components — any enterprise or plugin code that referencesself.feature_checkerwill break. Search forfeature_checkerin any downstream repos before merging.Generated by Claude Code