Singularity

Singularity key points are as follows:

• Acts as an API and a web application
• Conceived at HubSpot and later open sourced under Apache license
• Used to launch and schedule long-running Mesos processes, scheduled jobs, and tasks
• All its components can be considered as a PaaS to end users
• Non-experimented users can use it to deploy tasks on Mesos without so much knowledge
• Shares Mesos features such as fault tolerance, scalability, and resource allocation
• Can run a task scheduler for other Mesos frameworks

Singularity installation

To install Singularity we need to have Docker installed, to do it follow the steps at:

https://docs.docker.com

Once installed, clone the singularity repository with this command:

$ git clone https://github.com/HubSpot/Singularity 

Change the singularity directory:

$ cd Singularity 

Now, use Docker Compose pull and up commands to test Singularity.

These commands set up the following in the container:

• Mesos master and slave
• Zookeeper
• Singularity
• Baragon service and Baragon...