Move mesos/swarm to infra-templates

2016-11-23 22:50:25 -08:00
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+## Prerequisites
+
+* Port `2377` and `2378` must be open
+* Docker v1.12.1 installed
+
+SwarmKit's overlay network configuration must determine which interface will be used for cross-host communication. By default, Rancher routes traffic over public IP addresses. Swarm can't always detect the corresponding interface; you may need to do one of the following:
+
+* Register hosts with CATTLE_AGENT_IP environment variable set to a system address
+* Specify the host interface for Swarm to listen on (hosts must have the same interface name)
+
+## Features
+
+* Automatically scale up/down a Swarm by adding/removing hosts to an environment
+  * Do not attempt to run `docker swarm` commands manually
+* Configurable number of managers tunable to desired [failure tolerance](https://docs.docker.com/engine/swarm/admin_guide/#/add-manager-nodes-for-fault-tolerance)
+* Reconciliation logic promotes/demotes managers/workers to maintain resilience
+
+## Limitations
+
+* Swarm over public networks is not supported in Docker 1.12.3 and older