Remove repeating log outputs

In gossip, a couple of polling loops continuously output debug
logs that makes debugging difficult. I am removing them at this
point. Note also that logging level shouldn't be set in the
code but in the yaml file to be controlled by the environment.

Change-Id: I7af3fbeaef492aa848ccd8fbcf7c741263caf13f
Signed-off-by: Binh Q. Nguyen <binhn@us.ibm.com>

gossip/gossip/gossip_impl.go

@@ -36,7 +36,6 @@ import (
  "github.com/hyperledger/fabric/gossip/identity"
  "github.com/hyperledger/fabric/gossip/proto"
  "github.com/hyperledger/fabric/gossip/util"
- "github.com/op/go-logging"
  "google.golang.org/grpc"
 )
 
@@ -124,8 +123,6 @@ func NewGossipService(conf *Config, s *grpc.Server, secAdvisor api.SecurityAdvis
 
  g.certStore = newCertStore(g.createCertStorePuller(), idMapper, selfIdentity, mcs)
 
- g.logger.SetLevel(logging.DEBUG)
-
  go g.start()
 
  return g
@@ -181,11 +178,12 @@ func (g *gossipServiceImpl) handlePresumedDead() {
 }
 
 func (g *gossipServiceImpl) syncDiscovery() {
+ g.logger.Debugf("Entering discovery sync with interal %ds", g.conf.PullInterval)
  defer g.logger.Debug("Exiting discovery sync loop")
  for !g.toDie() {
- g.logger.Debug("Intiating discovery sync")
+ //g.logger.Debug("Intiating discovery sync")
  g.disc.InitiateSync(g.conf.PullPeerNum)
- g.logger.Debug("Sleeping", g.conf.PullInterval)
+ //g.logger.Debug("Sleeping", g.conf.PullInterval)
  time.Sleep(g.conf.PullInterval)
  }
 }

gossip/state/state.go

@@ -55,7 +55,6 @@ var remoteStateMsgFilter = func(message interface{}) bool {
  return message.(comm.ReceivedMessage).GetGossipMessage().IsRemoteStateMessage()
 }
 
-
 const (
  defPollingPeriod = 200 * time.Millisecond
  defAntiEntropyInterval = 10 * time.Second
@@ -333,11 +332,11 @@ func (s *GossipStateProviderImpl) antiEntropy() {
 
  if current == max {
  // No messages in the buffer or there are no gaps
- s.logger.Debugf("Current ledger height is the same as ledger height on other peers.")
+ //s.logger.Debugf("Current ledger height is the same as ledger height on other peers.")
  continue
  }
 
- s.logger.Debugf("Requesting new blocks in range [%d...%d].", current+1, max)
+ //s.logger.Debugf("Requesting new blocks in range [%d...%d].", current+1, max)
  s.requestBlocksInRange(uint64(current+1), uint64(max))
  }
  s.logger.Debug("[XXX]: Stateprovider stopped, stoping anti entropy procedure.")