vxlan: convert some settings to tristate (LP: #2000712) #311
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Vxlan learning is enabled by default on Linux. On Netplan it's a boolean variable that we initialize with false and only include in the generated configuration if it's true. That means we can't disable it on vxlan interfaces even if we define mac-learning: false explicitly in the yaml file. That is not the ideal solution! The proper way to do that is defining it as a tristate variable but it requires changes in the netplan_vxlan structure. One bad side effect of this change is that the yaml configuration generated from netdefs and the NM/networkd configuration will contain the option mac-learning even if we don't have it in the original yaml. This addresses LP#2000712
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I'm not really happy with this change, but it avoids ABI changes. There are other options that will not be emitted if they are false, but the problem doesn't really shows up when they are false by default on the system. The proper solution would be to convert all these options to tristates. |
slyon
changed the title
added 2 commits
February 1, 2023 12:03
This reverts commit 94e9c22.
Settings mac-learning, arp-proxy and short-circuit were converted from gboolean to tristate. When these options are enabled by default in the backend, it's not possible to disable them via Netplan as it was including the option in the generated configuration only when it was set to true. It addresses LP#2000712
daniloegea
changed the title
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I converted three settings from gboolean to tristates. It's shouldn't change the struct size/layout as both types are actually ints. |
daniloegea
commented
Feb 1, 2023
slyon
approved these changes
Feb 1, 2023
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Vxlan learning is enabled by default on Linux. On Netplan it's a boolean variable that we initialize with false and only include in the generated configuration if it's true. That means we can't disable it on vxlan interfaces even if we define mac-learning: false explicitly in the yaml file.
This PR converts the settings mac-learning, arp-proxy and short-circuit from gboolean to tristate.
This addresses LP#2000712
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