Made the apache input’s urls parameter optional by using a reasonable default for most users (#1288)

etc/telegraf.conf

@@ -454,6 +454,7 @@
 # # Read Apache status information (mod_status)
 # [[inputs.apache]]
 #   ## An array of Apache status URI to gather stats.
+#   ## Default is "http://localhost/server-status?auto".
 #   urls = ["http://localhost/server-status?auto"]
 
 

plugins/inputs/apache/README.md

@@ -1,7 +1,7 @@
 # Telegraf plugin: Apache
 
 #### Plugin arguments:
-- **urls** []string: List of apache-status URLs to collect from.
+- **urls** []string: List of apache-status URLs to collect from. Default is "http://localhost/server-status?auto".
 
 #### Description
 

plugins/inputs/apache/apache.go

@@ -21,6 +21,7 @@ type Apache struct {
 
 var sampleConfig = `
   ## An array of Apache status URI to gather stats.
+  ## Default is "http://localhost/server-status?auto".
   urls = ["http://localhost/server-status?auto"]
 `
 
@@ -33,6 +34,10 @@ func (n *Apache) Description() string {
 }
 
 func (n *Apache) Gather(acc telegraf.Accumulator) error {
+	if len(n.Urls) == 0 {
+		n.Urls = []string{"http://localhost/server-status?auto"}
+	}
+
 	var wg sync.WaitGroup
 	var outerr error