gliderlabs/registrator
Registrator
Registrator is a dynamic service discovery tool and metadata synchronizer that acts as a bridge between Docker containers and external service discovery registries. It automatically registers and deregisters containers in these backends to ensure that network addresses and service lists remain accurate in real time.
The project utilizes a pluggable adapter architecture to support various external registry backends. It employs a formatting engine to process container labels and environment variables into structured service descriptions and uses label-based filtering to determine which containers are synchronized.
The system monitors container lifecycles through event tracking and periodic state reconciliation to remove dead entries and maintain registry consistency. It also includes health monitoring capabilities, updating time-to-live values and verifying service reachability via TCP or Unix sockets.
Features
- Service Discovery - Automatically registers and deregisters Docker containers in a service registry to keep network addresses current.
- Service Discovery Registries - Acts as a bridge that synchronizes Docker container states with external service discovery registries in real time.
- Container Lifecycle Event Monitoring - Monitors Docker daemon events to trigger real-time registration and deregistration of services.
- Container Metadata Registration - Synchronizes container network addresses and metadata with external discovery backends to enable cross-network discovery.
- Container Metadata Synchronization - Formats and synchronizes Docker container labels and tags to external registries for service organization.
- Container Metadata Synchronizers - Acts as a system that tracks container lifecycles to keep external service lists accurate by removing dead entries.
- Service Lifecycle Tracking - Monitors container states to automatically remove dead entries and refresh health status in the registry.
- Service Registry Bridges - Functions as a bridge that automatically registers and deregisters Docker containers in external discovery backends.
- Dynamic Service Discovery - Keeps external service discovery backends updated in real time as containers are created, destroyed, or changed.
- Service Discovery Automation - Connects Docker container lifecycles to discovery protocols so services are discoverable without manual configuration.
- Dynamic Service Discovery - Provides a mechanism for synchronizing container network addresses and metadata with registries.
- Service Instance Lifecycle Management - Automates the registration and deregistration of containers to manage the full lifecycle of service instances in the registry.
- Service Description Templating - Processes container labels and environment variables through a formatting engine to generate service descriptions.
- Container State Reconciliation - Runs scheduled synchronization loops to ensure the external registry matches the actual container state.
- Registry Adapters - Provides a pluggable architecture to support multiple external service discovery backends.
- Metadata Formatting - Implements templating and manipulation of tags and service information before registry registration.
- Service Instance Registrations - Controls which containers enter the discovery registry based on specific metadata labels or port configurations.
- Registration Filtering - Evaluates container labels against user-defined rules to determine which services are synchronized.
- Pluggable Discovery Adapters - Supports various external registry backends through a pluggable architecture for flexible service registration.
- Registry Consistency Maintenance - Performs periodic resynchronization and removes dangling service entries to ensure the registry reflects the actual container state.
- TTL-Based Health Tracking - Updates service time-to-live values and performs connectivity checks to ensure the discovery registry remains accurate.
- Service Health Monitoring - Verifies service reachability using connectivity checks and health pings via TCP or Unix sockets.
- TTL-Based Health Tracking - Maintains registry freshness by updating time-to-live values and performing TCP or Unix socket checks.
- Networking and Discovery - Service registry bridge with pluggable adapters.
- Networking And Proxies - Service registry bridge for container discovery.
- Service Discovery - Service registry bridge for Docker containers.
Star history
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