[FAB-3390] Override log level - cauthdsl and policies

This CR adds the ability to override the log levels for the `cauthdsl`
and `policies` loggers as they generate a large amount of output.

Change-Id: Ib4ef569f13a8b7a93447d8f58c7f24f9626cc738
Signed-off-by: Will Lahti <wtlahti@us.ibm.com>

common/policies/policy.go

@@ -60,7 +60,7 @@ const (
 	BlockValidation = PathSeparator + ChannelPrefix + PathSeparator + OrdererPrefix + PathSeparator + "BlockValidation"
 )
 
-var logger = flogging.MustGetLogger("common/policies")
+var logger = flogging.MustGetLogger("policies")
 
 // Policy is used to determine if a signature is valid
 type Policy interface {

peer/node/start.go

@@ -266,7 +266,7 @@ func serve(args []string) error {
 
 	// set the logging level for specific modules defined via environment
 	// variables or core.yaml
-	overrideLogModules := []string{"msp", "gossip", "ledger"}
+	overrideLogModules := []string{"msp", "gossip", "ledger", "cauthdsl", "policies"}
 	for _, module := range overrideLogModules {
 		err = common.SetLogLevelFromViper(module)
 		if err != nil {

sampleconfig/core.yaml

@@ -26,9 +26,11 @@ logging:
     peer:       info
 
     # Override levels for various 'peer' modules
+    cauthdsl:   warning
     gossip:     warning
     ledger:     info
     msp:        warning
+    policies:     warning
 
     # Error handling framework log level - when set to DEBUG, a callstack will
     # be appended to all errors generated using the fabric/common/errors package
@@ -204,7 +206,7 @@ peer:
     # establishing TLS connection
         rootcert:
             file: peer/tls.crt
-            
+
         # The server name use to verify the hostname returned by TLS handshake
         serverhostoverride: