The LogDog Coordinator is an AppEngine application that serves as a central coordinating and interactive authority for a LogDog instance. The Coordinator is responsible for:
A Coordinator occupies the AppEngine space of a given cloud project, and assumes ownership of that project's resources. It is composed of several cooperative AppEngine services.
It is a AppEngine Flex instance, since Flex is the only supported type of AppEngine instance that can use gRPC, and gRPC is needed to read from BigTable.
The services service exposes management endpoints to the instance's microservices, notably the Collector and Archivist microservices. These endpoints are used to coordinate the microservice-managed aspects of the log stream lifecycle.
The static service hosts static content, including: