[systest] Set custom IP addresses ranges for management/storage network

[Artem Panchenko]

We need to cover a case by system tests when IP ranges for management and storage networks are set manually, see bug #1365368.

New check could be added to one of tests for networking features (e.g nodegroups, bonds or networking templates). The following steps must be injected to test scenario:

#step_before_deployment_#1 - change default IP ranges for management and storage networks (for example exclude 5 first and 5 last addresses from default range) and update environment network configuration;

#step_before_deployment_#2 - verify that new IP ranges are applied for network config;

#step_after_deployment_#1 - verify that excluded IP addresses aren't allocated for nodes or VIPs (for example we can get network_metadata info like we do here https://github.com/openstack/fuel-ostf/blob/master/fuel_health/ha_base.py#L72-L74 and check it doesn't contain excluded addresses);

[Nastya Urlapova (aurlapova)]

Due to RCA impact moved to High.

[Nastya Urlapova (aurlapova)]

https://review.openstack.org/#/c/243718/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/243718
Committed: https://git.openstack.org/cgit/openstack/fuel-qa/commit/?id=a2816af6b77326786d72f20a038e6d03f284d81f
Submitter: Jenkins
Branch: master

commit a2816af6b77326786d72f20a038e6d03f284d81f
Author: Tatyana Leontovich <email address hidden>
Date: Tue Nov 10 17:57:40 2015 +0200

    Update networks over cli

    Add nexts steps:
    * download net config over cli
    * upload it
    * check that it is successfully applied

    Closes-Bug: #1512314
    Change-Id: I4b93289aacf78a5e02f0c830a822ad2ba048b010