Dynamically calculate available for further subnetting free CIDRs based on already reserved subnets/ranges and Virtual Network address spaces.
Example:
❯ python subnet_it.py
usage: subnet_it.py [-h] -s SUBSCRIPTION_ID [-v] [-f]
subnet_it.py: error: the following arguments are required: -s/--subscription_id
python subnet_it.py -s '< subscription id >' -f
...
2021-06-10 15:08:19,508 - subnet_it: INFO - Checking Resource Group [rg_group_name]
2021-06-10 15:08:20,183 - subnet_it: INFO - [rg_group_name]: VNet [vnet_name]
+---------------+------------------+---------------------------------+-----------------+
| Address Space | Available Ranges | Reserved Subnets | Reserved Ranges |
+---------------+------------------+---------------------------------+-----------------+
| 10.15.0.0/16 | 10.15.0.0/23 | test | 10.15.5.0/27 |
| | 10.15.2.0/24 | test | 10.15.20.0/24 |
...
+---------------+------------------+---------------------------------+-----------------+
...
TODO:
- Resource group/Vnet as arguments
- State file? (track the changes)
- Clean up requirements
- Documentation
Dynamically calculate available for further subnetting free CIDRs based on already reserved subnets/ranges, Virtual Network address spaces, provided address space and expected size.
Example:
❯ python network_it.py -s '< subscription id >' -a '10.0.0.0/12' --size 22 -f
...
+-------------+-------------------+-----------------+--------------------------+
| Free range | Available Subnets | Reserved Ranges | Virtual Network |
+-------------+-------------------+-----------------+--------------------------+
| 10.8.0.0/13 | 10.8.0.0/22 | 10.0.0.0/13 | test |
| | 10.8.4.0/22 | | |
| | 10.8.8.0/22 | | |
| | 10.8.12.0/22 | | |
| | 10.8.16.0/22 | | |
...
TODO:
- validation
- Documentation
- Print limit (currently outputs all)