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The components of a Diego Cell overview |
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A Diego Cell starts and stops applications and tasks locally, manages containers, and reports app status and other data to the BBS and Loggregator.
- Represents a Cell in Diego Auctions for Tasks and LRPs
- Mediates all communication between the Cell and the BBS
- Ensures synchronization between the set of Tasks and LRPs in the BBS with the containers present on the Cell
- Maintains the presence of the Cell in the BBS
- Runs Tasks and LRPs by telling the in-process Executor to create a container and RunAction recipes
- Runs as a logical process inside the Rep
- Implements the generic Executor actions detailed in the API documentation
- Streams STDOUT and STDERR to the Metron agent running on the Cell
- Provides a platform-independent server and clients to manage Garden containers
- Defines the garden interface for container implementation
- Forwards application logs, errors, and application and Diego metrics to the Loggregator Doppler component