* ENABLE_PREFIX_DELEGATION knob

WARM_PREFIX_TARGET knob

cr https://code.amazon.com/reviews/CR-40610031

* PD changes - dev only

* Cooldown prefix IP

* minor fixes to support prefix count

* Code cleanup

* Handle few corner cases

* Nitro based check

* With custom networking, do not get prefix for primary ENI

* Code refactor

* Handle graceful upgrade/enable PD from disable PD

* code refactoring

* Code refactoring

* fix computing too low IPs

* UT for prefix store

* Fix UTs and handle CR comments

* Clean up SDK code and fix model code generation

* fix format and merge induced error

* Merge broke the code

* Fix Dockerfile.test

* Added IPAMD UTs and fixed removeENI total count

* Couple more IPAMD UTs for PD

* UTs for awsutils/imds

* Handle graceful PD enable to disable knob

* get prefix list for non-pd case

* Prevent reconcile of prefix IPs in IP datastore

* Handle disable scenario

* fix formatting

* clean up comment

* Remove unnecessary debugs

* Handle PR comments

* formatting fix

* Remodelled PD datastore

* Fix up UTs and fix Prefix nil

* formatting

* PR comments - minor cosmetic changes

* removed the sdk override from makefile

* Internal repo merge added these lines

* Update config file

* Handle wrapper of DescribeNetworkInterfacesWithContext to take one eni

* RemoveUnusedENIFromStore was not accounting for prefixes deleted

* Removed hardcoding of 16

…ore of CIDRs (aws#1471)

* Code refactor - merge to single DB

* remove few debugs

* remove prefix store files

* PR comments

* Fix up CR comments

* formatting

* Updated UT cases

* UT and formatting

* Minor fixes

* Minor comments

* Updated /32 store term

* remove unused code

* Multi-pd and WARM targets support

* cleanup

* Updated variable names

* Default prefix count to -1

* Get stats should be computed on the fly since CIDR pool can have /32 or /28

* Support for warm prefix 0

* code review comments

* Traffic test case and readme update

* Added testcases for warm ip/min ip with PD

* Testcases for prefix count

* Testcase for warm prefix along with warm ip/min ip

* Updated traffic test case while PD mode is flipped

* Fix minor comments

* pr comments

* added pods per eni

* fix up count

* Support mixed instances with PD

* fix up the log

* optimization for prefixes

Prefix store optimization

* pr comment

* Fixup eni allocation with warm targets

* fixup cidr count

* code comments and warm prefix 0

* Handle prefix target 0

* pr commets

Error with merge