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Improve AssignmentError message #366

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merged 1 commit into from
Jul 21, 2023

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andreaskaris
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What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer (optional):

Before:

 Warning  FailedCreatePodSandBox  8s    kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "82187d55b1379aad1e6c02b3394df7a8a0c84cc90902af413c1e0d9d56ddafb0": plugin type="multus" name="multus-cni-network" failed (add): [default/netshoot-deployment-59898b5dd9-hhvfn/89e6349b-9797-4e03-8828-ebafe224dfaf:whereaboutsexample]: error adding container to network "whereaboutsexample": error at storage engine: Could not allocate IP in range: ip: 2000::1 / - 2000::ffff:ffff:ffff:fffe / range: net.IPNet{IP:net.IP{0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, Mask:net.IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}

After:

  Type     Reason                  Age   From               Message
  ----     ------                  ----  ----               -------
  Normal   Scheduled               6s    default-scheduler  Successfully assigned default/netshoot-deployment-59898b5dd9-kk2zm to whereabouts-worker
  Normal   AddedInterface          6s    multus             Add eth0 [10.244.2.2/24] from kindnet
  Warning  FailedCreatePodSandBox  6s    kubelet            Failed to create pod sandbox: rpc error: code = Unknown desc = failed to setup network for sandbox "23dd45e714db09380150b5df74be37801bf3caf73a5262329427a5029ef44db1": plugin type="multus" name="multus-cni-network" failed (add): [default/netshoot-deployment-59898b5dd9-kk2zm/142de5eb-9f8a-4818-8c5c-6c7c85fe575e:whereaboutsexample]: error adding container to network "whereaboutsexample": error at storage engine: Could not allocate IP in range: ip: 2000::1 / - 2000::ffff:ffff:ffff:fffe / range: 2000::/64 / excludeRanges: [2000::/32]

Signed-off-by: Andreas Karis <[email protected]>
}

func (a AssignmentError) Error() string {
return fmt.Sprintf("Could not allocate IP in range: ip: %v / - %v / range: %#v", a.firstIP, a.lastIP, a.ipnet)
return fmt.Sprintf("Could not allocate IP in range: ip: %v / - %v / range: %s / excludeRanges: %v",
a.firstIP, a.lastIP, a.ipnet.String(), a.excludeRanges)
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Note: I must do a.ipnet.String() because otherwise it looks like this:

range: {2000:: ffffffffffffffff0000000000000000} 

And with it it looks like this:

range: 2000::/64

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💯

}

func (a AssignmentError) Error() string {
return fmt.Sprintf("Could not allocate IP in range: ip: %v / - %v / range: %#v", a.firstIP, a.lastIP, a.ipnet)
return fmt.Sprintf("Could not allocate IP in range: ip: %v / - %v / range: %s / excludeRanges: %v",
a.firstIP, a.lastIP, a.ipnet.String(), a.excludeRanges)
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💯

@dougbtv dougbtv merged commit a31fc99 into k8snetworkplumbingwg:master Jul 21, 2023
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2 participants