net: introduce find_candidate_nics()#1313
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cjp256
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Mar 1, 2022
| continue | ||
| driver = device_driver(interface) | ||
| if driver in blacklist_drivers: | ||
| LOG.debug( |
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I don't know if these debug logs are excessive, but I figured we may want to have some indication of why we are ignoring candidate NICs.
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find_fallback_nic_on_linux(), etc. provides valuable filtering of network interfaces in an effort to determine the best candidate for the fallback interface. Expose this logic with a new set of methods for finding the candidate network interfaces. These methods can be used by data sources which cannot rely on the fallback interface being the correct choice. Note that the MAC address filtering is now part of find_candidate_nics_on_linux(). This should be consistent behavior as find_fallback_nic_on_linux() never selected an interface without a MAC. find_fallback_nic_on_linux() continues to prefer eth0, but we make no such distinction in the candidate search. Signed-off-by: Chris Patterson <cpatterson@microsoft.com>
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@eb3095 This may be of interest to you? |
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Indeed, was hoping it was ready for the last PR, but left a note in a comment about switching out for it when it was available. This solves a few issues for us as well. |
anhvoms
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Mar 3, 2022
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| def find_fallback_nic(blacklist_drivers=None): | ||
| """Return the name of the 'fallback' network device.""" | ||
| def find_candidate_nics(blacklist_drivers: Optional[List] = None) -> List[str]: |
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should these be Optional[List[str]]
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Good point fixed everywhere!
Signed-off-by: Chris Patterson <cpatterson@microsoft.com>
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Signed-off-by: Chris Patterson <cpatterson@microsoft.com>
TheRealFalcon
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This was referenced May 12, 2023
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find_fallback_nic_on_linux(), etc. provides valuable filtering of
network interfaces in an effort to determine the best candidate
for the fallback interface.
Expose this logic with a new set of methods for finding the candidate
network interfaces. These methods can be used by data sources which
cannot rely on the fallback interface being the correct choice.
Note that the MAC address filtering is now part of
find_candidate_nics_on_linux(). This should be consistent behavior
as find_fallback_nic_on_linux() never selected an interface without
a MAC. find_fallback_nic_on_linux() continues to prefer eth0,
but we make no such distinction in the candidate search.
Signed-off-by: Chris Patterson cpatterson@microsoft.com