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rpc: log method when a server/server RPC call fails (#4548) 

Sometimes, we have lots of errors in cross calls between DCs (several hundreds / sec)
Enrich the log in order to help diagnose the root cause of issue.
This commit is contained in:
Pierre Souchay 2020-01-13 19:55:29 +01:00 committed by Hans Hasselberg
parent 0b4bd016a9
commit 61fc4f8253
1 changed files with 2 additions and 2 deletions
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4
agent/consul/rpc.go
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@ -319,7 +319,7 @@ func (s *Server) forwardDC(method, dc string, args interface{}, reply interface{
s.logger.Printf("[WARN] consul.rpc: RPC request to DC %q is currently failing as no server can be reached", dc) s.logger.Printf("[WARN] consul.rpc: RPC request to DC %q is currently failing as no server can be reached", dc)
return structs.ErrDCNotAvailable return structs.ErrDCNotAvailable
} }
s.logger.Printf("[WARN] consul.rpc: RPC request for unknown DC %q", dc) s.logger.Printf("[WARN] consul.rpc: RPC request for DC %q, no path found (method: %s)", dc, method)
return structs.ErrNoDCPath return structs.ErrNoDCPath
} }
@ -327,7 +327,7 @@ func (s *Server) forwardDC(method, dc string, args interface{}, reply interface{
[]metrics.Label{{Name: "datacenter", Value: dc}}) []metrics.Label{{Name: "datacenter", Value: dc}})
if err := s.connPool.RPC(dc, server.Addr, server.Version, method, server.UseTLS, args, reply); err != nil { if err := s.connPool.RPC(dc, server.Addr, server.Version, method, server.UseTLS, args, reply); err != nil {
manager.NotifyFailedServer(server) manager.NotifyFailedServer(server)
s.logger.Printf("[ERR] consul: RPC failed to server %s in DC %q: %v", server.Addr, dc, err) s.logger.Printf("[ERR] consul: RPC failed to server %s in DC %q: %v (method: %s)", server.Addr, dc, err, method)
return err return err
} }