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This repository is now read-only, for a new and actively maintained version of MockFog see MockFog2.

MockFog Infrastructure as Code

This project is part of MockFog which includes the following subprojects:

Fog computing is an emerging computing paradigm that uses processing and storage capabilities located at the edge, in the cloud, and possibly in between. Testing fog applications, however, is hard since runtime infrastructures will typically be in use or may not exist, yet. MockFog is a tool that can be used to emulate such infrastructures in the cloud. Developers can freely design emulated fog infrastructures, configure their performance characteristics, and inject failures at runtime to evaluate their application in various deployments and failure scenarios.

If you use this software in a publication, please cite it as:

Text

Jonathan Hasenburg, Martin Grambow, Elias Grünewald, Sascha Huk, David Bermbach. MockFog: Emulating Fog Computing Infrastructure in the Cloud. In: Proceedings of the First IEEE International Conference on Fog Computing 2019 (ICFC 2019). IEEE 2019.

BibTeX

@inproceedings{hasenburg_mockfog:_2019,
	title = {{MockFog}: {Emulating} {Fog} {Computing} {Infrastructure} in the {Cloud}},
	booktitle = {Proceedings of the First {IEEE} {International} {Conference} on {Fog} {Computing} 2019 (ICFC 2019)},
	author = {Hasenburg, Jonathan and Grambow, Martin and Grunewald, Elias and Huk, Sascha and Bermbach, David},
	year = {2019},
	publisher = {IEEE}
}

A full list of our publications and prototypes is available on our group website.

Requirements

  • OS: Tested on Ubuntu 16.04
  • virtualenv
  • pip
  • python 2.7

Installation

  • Create a nm_aws.yml file based on the nm_aws_template.yml, feel free to add you aws security credentials as this file is irgnored by git.
  • Execute install_nodemanager.sh
  • Enter the ip of the created nodemanger in your browser

Plays

Two plays exist, one for the setup/tear down of the nodemanager and one for the setup/tear down of the agents.

The nodemanager play is started by either executing ./install_nodemanager.sh or by running the nm_aws.yml playbook.

The agent play is started by running the aws.yml playbook.

The repositories and branches that are pulled during the execution of a play are defined at `repositories.yml.

Configuration

Openstack

  1. Download OpenRC file with Cloud credentials

You can find it in the OpenStack Dashboard at Compute - Access and Security - API Access

  1. Set OpenStack Environment Variables source MockFog-openrc.sh

  2. Create SSH Key if not already availabe ssh-keygen -t rsa -b 4096

  3. Add SSH Public Key to OpenStack Cloud via OpenStack Dashboard or CLI

  4. Add name of OpenStack SSH Key to example vars file i.e. os_ssh_key_name: <ssh_key_name>

Bootstrap testbed

OpenStack

  • ansible-playbook openstack.yml --tags "bootstrap" to deploy MockFog testbed in OpenStack

Destroy testbed

OpenStack

  • ansible-playbook openstack.yml --tags "destroy" to destroy MockFog testbed in OpenStack