Use laravel env variables as fallback, allow to set the password

Author: MyIgel

README.md

@@ -53,8 +53,9 @@ This will create a file ```config/prometheus-exporter.php```.
 | adapter | PROMETHEUS_ADAPTER | STRING | apc, redis, inmemory or push | apc |
 | namespace | --- | STRING | default: app | app |
 | namespace_http | --- | STRING | namespace for "RequestPerRoute-Middleware metrics" | http |
-| redis.host | PROMETHEUS_REDIS_HOST | STRING | redis host | 127.0.0.1
-| redis.port | PROMETHEUS_REDIS_PORT | INTEGER | redis port | 6379 |
+| redis.host | PROMETHEUS_REDIS_HOST, REDIS_HOST | STRING | redis host | 127.0.0.1
+| redis.port | PROMETHEUS_REDIS_PORT, REDIS_PORT | INTEGER | redis port | 6379 |
+| redis.password | PROMETHEUS_REDIS_PASSWORD, REDIS_PASSWORD | STRING | redis password | null |
 | redis.timeout | --- | FLOAT | redis timeout | 0.1 |
 | redis.read_timeout | --- | INTEGER | redis read timeout | 10 |
 | push_gateway.address | PROMETHEUS_PUSH_GATEWAY_ADDRESS | STRING | push gateway address | localhost:9091 |

src/Config/config.php

@@ -8,8 +8,9 @@
     'namespace_http' => 'http',
 
     'redis' => [
-        'host'                   => env('PROMETHEUS_REDIS_HOST', '127.0.0.1'),
-        'port'                   => env('PROMETHEUS_REDIS_PORT', 6379),
+        'host'                   => env('PROMETHEUS_REDIS_HOST', env('REDIS_HOST', '127.0.0.1')),
+        'port'                   => env('PROMETHEUS_REDIS_PORT', env('REDIS_PORT', 6379)),
+        'password'               => env('PROMETHEUS_REDIS_PASSWORD', env('REDIS_PASSWORD', null)),
         'timeout'                => 0.1,  // in seconds
         'read_timeout'           => 10, // in seconds
         'persistent_connections' => false,