Commits on Jun 7, 2022

1. cli: Deprecate -o json, recommend -o jsonpb instead …

   The `-o json` output had been added to Hubble very early, when we
   assumed that all relevant information would be contained in the `Flow`
   protobuf message. Hubble has however since gained the `-o jsonpb`
   output, which contains additional information such as the node name
   which produced the network flow.
   
   More importantly, `-o json` cannot be piped into `hubble observe` for
   additional filtering, therefore further limiting its usability. To avoid
   users accidentally using `-o json` instead of the likely more correct
   `-o jsonpb`, this commit deprecates `-o json` and prints a warning to
   stderr whenever it is used.
   
   This allows us to fully remove `-o json` in a future release.
   
   Signed-off-by: Sebastian Wicki <sebastian@isovalent.com>

   

   gandro committed Jun 7, 2022
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