config: cleanup default sentinel.conf, disable mymaster

Makefile

@@ -32,6 +32,7 @@ codis-server:
 	@cp -f extern/redis-3.2.8/src/redis-cli bin/
 	@cp -f extern/redis-3.2.8/redis.conf config/
 	@cp -f extern/redis-3.2.8/sentinel.conf config/
+	@sed -e "s/^sentinel/# sentinel/g" config/sentinel.conf -i
 
 clean-gotest:
 	@rm -rf ./pkg/topom/gotest.tmp

config/sentinel.conf

@@ -66,7 +66,7 @@ dir /tmp
 #
 # Note: master name should not include special characters or spaces.
 # The valid charset is A-z 0-9 and the three characters ".-_".
-sentinel monitor mymaster 127.0.0.1 6379 2
+# sentinel monitor mymaster 127.0.0.1 6379 2
 
 # sentinel auth-pass <master-name> <password>
 #
@@ -95,15 +95,15 @@ sentinel monitor mymaster 127.0.0.1 6379 2
 # Down).
 #
 # Default is 30 seconds.
-sentinel down-after-milliseconds mymaster 30000
+# sentinel down-after-milliseconds mymaster 30000
 
 # sentinel parallel-syncs <master-name> <numslaves>
 #
 # How many slaves we can reconfigure to point to the new slave simultaneously
 # during the failover. Use a low number if you use the slaves to serve query
 # to avoid that all the slaves will be unreachable at about the same
 # time while performing the synchronization with the master.
-sentinel parallel-syncs mymaster 1
+# sentinel parallel-syncs mymaster 1
 
 # sentinel failover-timeout <master-name> <milliseconds>
 #
@@ -128,7 +128,7 @@ sentinel parallel-syncs mymaster 1
 #   the exact parallel-syncs progression as specified.
 #
 # Default is 3 minutes.
-sentinel failover-timeout mymaster 180000
+# sentinel failover-timeout mymaster 180000
 
 # SCRIPTS EXECUTION
 #