Fix for IPAM address exhaust issue - Githubissues

contiv / netplugin

Container networking for various use cases

Apache License 2.0

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Fix for IPAM address exhaust issue #1134

Closed g1rana closed 6 years ago

g1rana commented 6 years ago

Bug Fix : Fix for IP leak issue in cluster error case

Fixes #1133

Please describe:

Bug is found in CNM netplugin driver interface, On Endpoint creation, CNM send IP address allocate request first then send EndPoint creation request. On failure of Endpoint creation request, CNM driver doesn't send previous allocate IP address for Failed Endpoint which causing IP address leaked in IPAM driver in netmaster.
type of testing done (both manual and automated)

TODO

Run test , by creating and deleting endpoint and make sure , CNM driver send IP release request to netmaster IPAM driver