use real booleans in Ansible configuration

redis/defaults/main.yml

@@ -30,7 +30,7 @@ redis_save:
   - 300 10
   - 60 10000
 
-redis_rdbcompression: "yes"
+redis_rdbcompression: True
 redis_data_dir: /var/lib/redis
 redis_data_file: dump.rdb
 
@@ -40,11 +40,11 @@ redis_maxmemory: 0
 redis_maxmemory_policy: "noeviction"
 redis_maxmemory_samples: 5
 
-redis_appendonly: "no"
+redis_appendonly: False
 redis_appendfsync: "everysec"
 
 # Supported only in Redis 3.2+
-redis_protected_mode: "yes"
+redis_protected_mode: True
 
 # Add extra include files for local configuration/overrides.
 redis_includes: []

redis/templates/redis.conf.j2

@@ -32,12 +32,12 @@ databases {{ redis_databases }}
 save {{ save }}
 {% endfor %}
 
-rdbcompression {{ redis_rdbcompression }}
+rdbcompression {{ redis_rdbcompression | bool | ternary('yes','no') }}
 dbfilename {{ redis_data_file }}
 dir {{ redis_data_dir }}
 
 {% if redis_installed_version | version_compare('3.2', '>=') %}
-protected-mode {{ redis_protected_mode }}
+protected-mode {{ redis_protected_mode | bool | ternary('yes','no') }}
 {% endif %}
 
 {% if redis_maxclients %}
@@ -50,7 +50,7 @@ maxmemory-policy {{ redis_maxmemory_policy }}
 maxmemory-samples {{ redis_maxmemory_samples }}
 {% endif %}
 
-appendonly {{ redis_appendonly }}
+appendonly {{ redis_appendonly | bool | ternary('yes','no') }}
 appendfsync {{ redis_appendfsync }}
 no-appendfsync-on-rewrite no