[FAB-11468] Print error upon peer cmd failure

Several peer commands print a 500 error code upon failure,
but do not print the corresponding error message,
making it impossible to troubleshoot.

This CR adds the error message in addition to the error code.

Change-Id: I3c4b9dfee68e0f55723202ac65931d1bc20411ce
Signed-off-by: David Enyeart <enyeart@us.ibm.com>

Author: denyeart

peer/channel/getinfo.go

@@ -69,7 +69,7 @@ func (cc *endorserClient) getBlockChainInfo() (*cb.BlockchainInfo, error) {
 	}
 
 	if proposalResp.Response == nil || proposalResp.Response.Status != 200 {
-		return nil, errors.Errorf("received bad response, status %d", proposalResp.Response.Status)
+		return nil, errors.Errorf("received bad response, status %d: %s", proposalResp.Response.Status, proposalResp.Response.Message)
 	}
 
 	blockChainInfo := &cb.BlockchainInfo{}

peer/channel/join.go

@@ -122,7 +122,7 @@ func executeJoin(cf *ChannelCmdFactory) (err error) {
 	}
 
 	if proposalResp.Response.Status != 0 && proposalResp.Response.Status != 200 {
-		return ProposalFailedErr(fmt.Sprintf("bad proposal response %d", proposalResp.Response.Status))
+		return ProposalFailedErr(fmt.Sprintf("bad proposal response %d: %s", proposalResp.Response.Status, proposalResp.Response.Message))
 	}
 	logger.Info("Successfully submitted proposal to join channel")
 	return nil

peer/channel/list.go

@@ -80,7 +80,7 @@ func (cc *endorserClient) getChannels() ([]*pb.ChannelInfo, error) {
 	}
 
 	if proposalResp.Response == nil || proposalResp.Response.Status != 200 {
-		return nil, errors.New(fmt.Sprint("Received bad response, status", proposalResp.Response.Status))
+		return nil, errors.New(fmt.Sprintf("Received bad response, status %d: %s", proposalResp.Response.Status, proposalResp.Response.Message))
 	}
 
 	var channelQueryResponse pb.ChannelQueryResponse

peer/common/common.go

@@ -205,7 +205,7 @@ func GetOrdererEndpointOfChain(chainID string, signer msp.SigningIdentity, endor
 	}
 
 	if proposalResp.Response.Status != 0 && proposalResp.Response.Status != 200 {
-		return nil, errors.Errorf("error bad proposal response %d", proposalResp.Response.Status)
+		return nil, errors.Errorf("error bad proposal response %d: %s", proposalResp.Response.Status, proposalResp.Response.Message)
 	}
 
 	// parse config block