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Previously, we hardcoded the fabric name for our 3rd interface
(which serves PXE/DHCP for the target nodes) to "fabric-2",
relying on predictable index numbers to be provided by MaaS based
on the interfaces defined in /etc/network/interfaces.
However, the fabric IDs/names generated by MaaS are not predictable,
and therefore cannot be hardcoded in our reclass model / scripts.
Work around this by:
- adding support for fabric ID deduction based on CIDR matching
during subnet create/update operation in MaaS py module;
- adding support for VLAN DHCP enablement to MaaS py module,
which was previously handled via shell MaaS API operations
from maas/region.sls;
While at it, revert previous commit that disabled network discovery
("MaaS: Disable network discovery"), since it turns out that network
discovery was not the culprit for subnet creation failure, but wrong
fabric numbering.
This reverts commit 8cdf22d1a1bae4694a373873cab4feb6251069b7.
Change-Id: I15fa059004356cb4aaabb38999ea378dd3c0e0bb
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
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