May 2017
Intermediate to advanced
436 pages
9h 44m
English
Content preview from The DevOps 2.1 Toolkit: Docker Swarm
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What does standalone Docker Swarm look like with service discovery?
Now that we have a better understanding of the requirements and the reasons behind the usage of service discovery, we can define the (real) flow of a request to a Docker Swarm manager.
Please note that we are still exploring how the old (standalone) Swarm is working:
- A user sends a request with the desired state to one of the Swarm managers.
- The Swarm manager gets the cluster information from the service registry, creates a set of tasks, and dispatches them to Swarm workers.
- Swarm workers translate the tasks into commands and send them to the local Docker Engine which, in turn, runs or stops containers.
- Swarm workers continuously monitor Docker events and update the service ...
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