pyDynamicRoutingUpdater 0.0.8

A Python library to modify and alter the routing table in according to configuration passed

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Dynamic Routing-table updater (DRU)

Example of reference.json

{
    "tableName": "direct",
    "adapter": [
        "enp1s0f0",
        "enp1s0f1"
    ]
}

tableName will be the table name the program will use to direct routes and rules against
adapter will be the interfaces you will split out from the main routing table

When you or the service starts up DRU, it will prepare the required data.
After the data has been loaded, it will be ready to start. All this occurs within the init call.

When DRU gets the start call, it will do the following:

• Remove old DRU tables (based on the Table name passed)
• Find all occupied table ids
• Filter out occupied
• Define table id and name for all network adapters added
• Write the newly filtered and appended routing table

After DRU has started, and processed the routing table, it will start up DRUHook.
This is a sub component of DRU, which is intended to watch the network interfaces assigned to DRU and perform routing changes on them.

If you want to test DRU out, you can do the following

from DynamicRoutingUpdater import DynamicRoutingUpdater
service = DynamicRoutingUpdater()
service.dryrun()

NOTE! This WILL do modifications to your routing table!
This will also change and modify your current routes, and WILL NOT BE RESTORED!

Usually a reboot is enough to get it recreated, as the code does not include persistance

How to install

Dependencies

net-tools

To install and start DRU

• Clone the project
• Modify reference.json
• ./install.sh

Make sure that you run the script with sudo or as root, as the script needs access.

Or you can do the following:

curl -sSL -o install.sh https://raw.githubusercontent.com/bskjon/DynamicRoutingUpdater/master/install.sh && sudo bash install.sh

This will request you to define table name and select interface thrould selection.

A copy of your routing table will exist as:

/etc/iproute2/rt_tables.bak