IO modules

This repo contains the Hover Framework (IOModule manager) and plugins

Hover Framework

Hover framework is a userspace deamon for managing IO Modules. It exposes REST front-end for dynamically loading, configuring, linking different modules to make a network topology.

IO Modules Architecture

Requirements

• google go version 1.4 or greater
• docker for some of the tests
• BCC

Installing Hover

# prereqs
# make sure you have exported $GOPATH to your workspace directory.
go get github.com/vishvananda/netns
go get github.com/willf/bitset
go get github.com/gorilla/mux
# to pull customized fork of netlink
go get github.com/vishvananda/netlink
cd $GOPATH/src/github.com/vishvananda/netlink
git remote add drzaeus77 https://github.com/drzaeus77/netlink
git fetch drzaeus77
git reset --hard drzaeus77/master

go get github.com/iovisor/iomodules/hover
go install github.com/iovisor/iomodules/hover/hoverd
sudo -E go test -v github.com/iovisor/iomodules/hover/daemon

# run the hoverd binary in standalone mode
sudo $GOPATH/bin/hoverd

Examples

DnsMon IOModule

IO module that monitors and maintains statistics for IPv4/IPv6 DNS Queries

go get github.com/iovisor/iomodules/dnsmon
go install github.com/iovisor/iomodules/dnsmon/dnsmon
sudo $GOPATH/bin/dnsmon -hover http://127.0.0.1:5000

Policy IOModule

IO module that implements group based policies for containers.

go get github.com/iovisor/iomodules/policy
$GOPATH/src/github.com/iovisor/iomodules/policy/test/test.sh