swan

Swan

swan is a mesos scheduling framework written in golang based on mesos new HTTP API.

you can use swan to deployment application on mesos cluster, and manage the entire lifecycle of the application. you can do rolling-update with new version, you can scale application, and you can do health check for your applications and auto failover when applications or services are not available.

swan is maintained by dataman-cloud, and licensed under the Apache License, Version 2.0.

Features

• Application deployment
• Application scaling
• Rolling update
• Version rollback
• Health check
• Auto failover

Special features

• The instance name is fixed during the application lifecycle.
• The instance index is continuously incremented from zero.

Usage

swan has no ui, no command-line client at this time. you can use it with curl.

• applicaiton deloyment

  curl -X POST -H "Content-Type: application/json" -d@example.json http://localhost:9999/v1/apps

• application delete

  curl -X DELETE http://localhost:9999/v1/apps/nginx0003

• application show

  curl http://localhost:9999/v1/apps/nginx0003

• applications list

  curl http://localhost:9999/v1/apps

• application scaling

  curl -X POST http://localhost:9999/v1/apps/nginx0003/scale?instances=10

  instances is used to specified the instances count you wanna scale to.

• application rolling update

  curl -X POST -H "Content-Type: application/json" -d@new_verison.json http://localhost:9999/v1/apps/nginx0003/update\?instances\=-1

  instances -1 means updating all instances. other value means updating the specified instances at one time.

• application versions

  curl http://localhost:9999/v1/apps/nginx0003/versions

How To Run

git clone https://github.com/Dataman-Cloud/swan.git
cd swan
make
./swan --masters=192.168.1.50:5050 --user=root --consul=192.168.1.50:8500