Commits on Sep 15, 2021

1. hubble: Display proxy redirects in policy verdict events …

   Before this commit, Hubble was ignoring proxy redirection information
   from the policy-verdict events it received from the datapath. For
   example, a cilium monitor event such as:
   
       Policy verdict log: flow 0x0 local EP ID 1531, remote ID 35429, proto 17, egress, action redirect, match L3-L4, 10.240.0.62:37282 -> 10.240.0.63:53 udp
   
   would be displayed in hubble observe as:
   
       Sep 15 17:23:11.960: cilium-test/client-6488dcf5d4-f9kfl:37282 -> kube-system/coredns-d4866bcb7-zh5jv:53 L3-L4 FORWARDED (UDP)
   
   This commit adds a new verdict REDIRECTED to signal such event. Such
   events now appear as:
   
       default/pod-to-external-fqdn-allow-google-cnp-5ff4986c89-n87h2:58314 -> kube-system/coredns-755cd654d4-j4vzh:53 UNKNOWN 5 (UDP)
   
   A subsequent patch to the Hubble command line will display value 5 as
   "REDIRECTED".
   
   Signed-off-by: Paul Chaignon <paul@cilium.io>

   

   pchaigno committed Sep 15, 2021
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