refactor(app/outbound): decompose grpc and http labeling #4252
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nb: this branch is based upon #4250 and #4251.
this branch re-frames the outbound proxy's stream labeling facilities in terms of the constituent status and error labeling facilities introduced to the
linkerd-http-promlibrary in #4251.feat(app/outbound): convenience constructors for
HttpRsp,GrpcRspSigned-off-by: katelyn martin kate@buoyant.io
feat(app/outbound):
GrpcRsp,HttpRspareFrom<&Error>Signed-off-by: katelyn martin kate@buoyant.io
feat(app/outbound):
GrpcRspandHttpRspcan be mergedthis commit introduces
apply()methods toHttpRspandGrpcRsp.this allows us to collect both the response status and response error
when a body encounters an error whilst polling.
Signed-off-by: katelyn martin kate@buoyant.io
refactor(app/outbound):
LabelHttpRspusesLabelHttpStatusSigned-off-by: katelyn martin kate@buoyant.io
refactor(app/outbound):
LabelGrpcRspusesLabelGrpcStatusSigned-off-by: katelyn martin kate@buoyant.io