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.
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@ -319,7 +319,7 @@ func (s *Server) forwardDC(method, dc string, args interface{}, reply interface{
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s.logger.Printf("[WARN] consul.rpc: RPC request to DC %q is currently failing as no server can be reached", dc)
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return structs.ErrDCNotAvailable
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}
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s.logger.Printf("[WARN] consul.rpc: RPC request for unknown DC %q", dc)
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s.logger.Printf("[WARN] consul.rpc: RPC request for DC %q, no path found (method: %s)", dc, method)
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return structs.ErrNoDCPath
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}
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@ -327,7 +327,7 @@ func (s *Server) forwardDC(method, dc string, args interface{}, reply interface{
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[]metrics.Label{{Name: "datacenter", Value: dc}})
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if err := s.connPool.RPC(dc, server.Addr, server.Version, method, server.UseTLS, args, reply); err != nil {
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manager.NotifyFailedServer(server)
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s.logger.Printf("[ERR] consul: RPC failed to server %s in DC %q: %v", server.Addr, dc, err)
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s.logger.Printf("[ERR] consul: RPC failed to server %s in DC %q: %v (method: %s)", server.Addr, dc, err, method)
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return err
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}
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