[FAB-2351] Update loggers to flogging.MustGetLogger

This CR updates all loggers throughout the code base to use
`flogging.MustGetLogger`. This function wraps `logging.MustGetLogger`
and tracks the logger modules defined in the system. This enables the
ability to set log levels for modules using regular expressions.
and make it easy to change the levels for any module and all its
submodules with a single command (e.g. gossip, ledger, msp).

Change-Id: If5d3229ea2312adb56fc21bfdafbed3d967cf1df
Signed-off-by: Will Lahti <wtlahti@us.ibm.com>

Author: wlahti

bccsp/factory/factory.go

@@ -20,7 +20,7 @@ import (
 	"sync"
 
 	"github.com/hyperledger/fabric/bccsp"
-	"github.com/op/go-logging"
+	"github.com/hyperledger/fabric/common/flogging"
 )
 
 var (
@@ -41,7 +41,7 @@ var (
 	// Factories' Initialization Error
 	factoriesInitError error
 
-	logger = logging.MustGetLogger("bccsp")
+	logger = flogging.MustGetLogger("bccsp")
 )
 
 // BCCSPFactory is used to get instances of the BCCSP interface.

bccsp/pkcs11/impl.go

@@ -32,13 +32,14 @@ import (
 
 	"github.com/hyperledger/fabric/bccsp"
 	"github.com/hyperledger/fabric/bccsp/utils"
+	"github.com/hyperledger/fabric/common/flogging"
 	"github.com/miekg/pkcs11"
-	"github.com/op/go-logging"
+
 	"golang.org/x/crypto/sha3"
 )
 
 var (
-	logger           = logging.MustGetLogger("bccsp_p11")
+	logger           = flogging.MustGetLogger("bccsp_p11")
 	sessionCacheSize = 10
 )
 

bccsp/sw/impl.go

@@ -36,12 +36,12 @@ import (
 
 	"github.com/hyperledger/fabric/bccsp"
 	"github.com/hyperledger/fabric/bccsp/utils"
-	"github.com/op/go-logging"
+	"github.com/hyperledger/fabric/common/flogging"
 	"golang.org/x/crypto/sha3"
 )
 
 var (
-	logger = logging.MustGetLogger("bccsp_sw")
+	logger = flogging.MustGetLogger("bccsp_sw")
 )
 
 // NewDefaultSecurityLevel returns a new instance of the software-based BCCSP

common/cauthdsl/cauthdsl.go

@@ -19,13 +19,13 @@ package cauthdsl
 import (
 	"fmt"
 
+	"github.com/hyperledger/fabric/common/flogging"
 	"github.com/hyperledger/fabric/msp"
 	cb "github.com/hyperledger/fabric/protos/common"
 	mb "github.com/hyperledger/fabric/protos/msp"
-	"github.com/op/go-logging"
 )
 
-var cauthdslLogger = logging.MustGetLogger("cauthdsl")
+var cauthdslLogger = flogging.MustGetLogger("cauthdsl")
 
 // compile recursively builds a go evaluatable function corresponding to the policy specified
 func compile(policy *cb.SignaturePolicy, identities []*mb.MSPPrincipal, deserializer msp.IdentityDeserializer) (func([]*cb.SignedData, []bool) bool, error) {

common/config/msp/config_util.go

@@ -23,10 +23,10 @@ import (
 	mspprotos "github.com/hyperledger/fabric/protos/msp"
 	"github.com/hyperledger/fabric/protos/utils"
 
-	logging "github.com/op/go-logging"
+	"github.com/hyperledger/fabric/common/flogging"
 )
 
-var logger = logging.MustGetLogger("configvalues/msp")
+var logger = flogging.MustGetLogger("configvalues/msp")
 
 const (
 	// ReadersPolicyKey is the key used for the read policy

common/config/proposer.go

@@ -21,10 +21,10 @@ import (
 	"sync"
 
 	"github.com/golang/protobuf/proto"
-	logging "github.com/op/go-logging"
+	"github.com/hyperledger/fabric/common/flogging"
 )
 
-var logger = logging.MustGetLogger("common/config")
+var logger = flogging.MustGetLogger("common/config")
 
 // ValueDeserializer provides a mechanism to retrieve proto messages to deserialize config values into
 type ValueDeserializer interface {

common/configtx/manager.go

@@ -22,13 +22,12 @@ import (
 	"regexp"
 
 	"github.com/hyperledger/fabric/common/configtx/api"
+	"github.com/hyperledger/fabric/common/flogging"
 	cb "github.com/hyperledger/fabric/protos/common"
 	"github.com/hyperledger/fabric/protos/utils"
-
-	logging "github.com/op/go-logging"
 )
 
-var logger = logging.MustGetLogger("common/configtx")
+var logger = flogging.MustGetLogger("common/configtx")
 
 // Constraints for valid chain IDs
 var (

common/configtx/test/helper.go

@@ -25,15 +25,14 @@ import (
 	"github.com/hyperledger/fabric/common/configtx"
 	genesisconfig "github.com/hyperledger/fabric/common/configtx/tool/localconfig"
 	"github.com/hyperledger/fabric/common/configtx/tool/provisional"
+	"github.com/hyperledger/fabric/common/flogging"
 	"github.com/hyperledger/fabric/common/genesis"
 	"github.com/hyperledger/fabric/msp"
 	cb "github.com/hyperledger/fabric/protos/common"
 	mspproto "github.com/hyperledger/fabric/protos/msp"
-
-	logging "github.com/op/go-logging"
 )
 
-var logger = logging.MustGetLogger("common/configtx/test")
+var logger = flogging.MustGetLogger("common/configtx/test")
 
 const (
 	// AcceptAllPolicyKey is the key of the AcceptAllPolicy.

common/configtx/tool/configtxgen/main.go

@@ -27,6 +27,7 @@ import (
 	"github.com/hyperledger/fabric/common/configtx"
 	genesisconfig "github.com/hyperledger/fabric/common/configtx/tool/localconfig"
 	"github.com/hyperledger/fabric/common/configtx/tool/provisional"
+	"github.com/hyperledger/fabric/common/flogging"
 	"github.com/hyperledger/fabric/msp"
 	cb "github.com/hyperledger/fabric/protos/common"
 	"github.com/hyperledger/fabric/protos/utils"
@@ -35,7 +36,7 @@ import (
 	logging "github.com/op/go-logging"
 )
 
-var logger = logging.MustGetLogger("common/configtx/tool")
+var logger = flogging.MustGetLogger("common/configtx/tool")
 
 func doOutputBlock(pgen provisional.Generator, channelID string, outputBlock string) error {
 	logger.Info("Generating genesis block")

common/configtx/tool/localconfig/config.go

@@ -23,15 +23,15 @@ import (
 	"strings"
 	"time"
 
+	"github.com/hyperledger/fabric/common/flogging"
 	"github.com/hyperledger/fabric/common/viperutil"
 
-	"github.com/op/go-logging"
 	"github.com/spf13/viper"
 
 	bccsp "github.com/hyperledger/fabric/bccsp/factory"
 )
 
-var logger = logging.MustGetLogger("configtx/tool/localconfig")
+var logger = flogging.MustGetLogger("configtx/tool/localconfig")
 
 const (
 	// SampleInsecureProfile references the sample profile which does not include any MSPs and uses solo for ordering.