ctripcorp/apollo
Apollo
Apollo is a microservice configuration management system and dynamic configuration center. It serves as a centralized platform for storing, distributing, and syncing application settings across distributed environments to maintain consistency across various clusters.
The system distinguishes itself through a dynamic configuration orchestrator that supports real-time updates to connected applications, eliminating the need for manual service restarts. It features a grayscale configuration deployment tool for rolling out changes to a small subset of service instances and a version control system that provides audit logs and rapid rollback capabilities.
The platform covers a broad capability surface including environment settings orchestration via namespace isolation and an approval-based publishing workflow to separate editing from publishing. It also provides monitoring for active client versions, configuration search, and integration via open APIs and multi-language SDKs.
Features
- Distributed Configuration Management - Serves as a centralized platform for synchronizing state, policies, and configuration settings across multiple nodes in distributed microservice environments.
- Centralized Configuration Systems - Serves as a centralized source of truth for storing and distributing operational settings across microservice clusters.
- Real-Time - Propagates configuration changes to connected clients instantly to ensure the system reflects the current state without restarts.
- Version-Controlled Configuration Stores - Stores application settings in a version-controlled manner to facilitate auditing and rapid rollbacks.
- Real-Time Push Updates - Provides a push-based mechanism to deliver configuration updates to applications instantly without requiring service restarts.
- Real-Time Runtime Updates - Pushes setting changes to running applications instantly to update system behavior without requiring manual service restarts.
- Application Settings Management - Provides a system for defining, validating, and persisting application-wide configuration settings across multiple environments.
- Configuration Grayscale Deployment - Provides a mechanism for deploying configuration changes to a small subset of service instances to verify stability.
- Environment Configuration Management - Defines service behavior via environment-specific variables and namespaces to ensure correct behavior by deployment location.
- Configuration Canary Releases - Enables rolling out configuration changes to a small subset of service instances to verify stability before full release.
- Dynamic Configuration Management - Acts as a remote store that propagates configuration updates to clients in real time without requiring restarts.
- Environment Configuration Orchestration - Manages distinct configuration sets across different clusters and namespaces to ensure consistent behavior across deployment locations.
- Microservices Management - Offers tools for orchestrating and managing configuration settings for independent services within a distributed architecture.
- Real-time Configuration Updates - Delivers configuration changes to connected applications instantly through a notification mechanism to avoid manual service restarts.
- Grayscale Configuration Releases - Enables rolling out configuration updates to a small subset of service instances to verify stability before full deployment.
- Version Control Systems - Provides a management layer for tracking changes and managing application state history for rapid rollbacks.
- Service Update Notifications - Uses a notification bus to push real-time configuration updates to applications, eliminating the need for restarts.
- Configuration Version Snapshots - Tracks every change to configuration sets by storing immutable versions to allow rapid rollbacks to stable states.
- Configuration Subsets - Isolates configuration segments to allow deploying updates to a small group of service instances for stability verification.
- Grayscale Configuration Rollouts - Executes grayscale releases by deploying configuration changes to a small subset of instances before a full rollout.
- Configuration Versioning - Manages the lifecycle and state of application configurations through versioned snapshots for reliable recovery.
- Namespace Isolation - Provides logical separation of settings via namespaces to maintain environment-specific behavior for a single codebase.
- Configuration Namespace Isolation - Organizes settings across different clusters and environments using namespaces so a single codebase behaves correctly by location.
- Client-Side Data Synchronization - Uses SDKs to handle automatic update synchronization between the central server and application instances.
- SDK Integrations - Provides native client libraries for efficient data exchange and synchronization with the configuration center.
- Deployed Version Tracking - Tracks which specific configuration versions are currently running on each individual application instance.
- Configuration Approval Gates - Enforces a permission system that separates editing from publishing to require approvals and reduce human error.
- API Integrations - Supports integration via multi-language SDKs and HTTP APIs for seamless data exchange between services.
- Approval Workflows - Implements a permission system that separates configuration editing from publishing to ensure human review and reduce errors.
- Workflow Approval Gates - Provides workflow gates that require human approval before configuration changes are published to the environment.
- Administrative Change Auditing - Records configuration updates and management actions to maintain a verifiable history for troubleshooting and compliance.
- Infrastructure and Monitoring - Distributed configuration center for centralized application management.
- Production Ready Infrastructure - Centralized configuration management system.
- Service Discovery - Distributed configuration center for microservices.
- Gestion de configuration - Reliable distributed configuration center for microservices.
