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Cisco Bug: CSCvv99703 - Kube-dns image removed from local Docker cache causing update failure

Last Modified

Oct 13, 2020

Products (1)

  • Cisco DNA Center

Known Affected Releases

DNAC-Cyclops

Description (partial)

Symptom:
Updating Cisco DNA Center to 2.1.2.0 may fail or hangs at 53-56%.  On closer inspection, it may be discovered that the kube-dns pod is not coming up correctly, as shown. 

$ magctl appstack status | grep dns
kube-system     kube-dns-55c49d84d-2bg6p                    2/3     Terminating                  0          21m     x.x.x.x   x.x.x.x   <none>           <none>
kube-system     kube-dns-55c49d84d-gfvl9                    0/3     ContainerCreating            0          5m37s   <none>        x.x.x.x   <none>           <none>
kube-system     kube-dns-8868d4bb-7hlm5                     0/3     ContainerCreating            0          4m36s   <none>        x.x.x.x   <none>           <none>
kube-system     kube-dns-8868d4bb-g84m5                     2/3     Terminating                  0          20m     x.x.x.x    x.x.x.x   <none>           <none>

Conditions:
This was observed while upgrading Cisco DNA Center to version 2.1.2.0.
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Bug Details Include

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