Fix up config panic points for naoina/toml support

closes #736

CHANGELOG.md

@@ -4,6 +4,7 @@
 - [#727](https://github.com/influxdata/telegraf/pull/727): riak input, thanks @jcoene!
 - [#694](https://github.com/influxdata/telegraf/pull/694): DNS Query input, thanks @mjasion!
 - [#724](https://github.com/influxdata/telegraf/pull/724): username matching for procstat input, thanks @zorel!
+- [#736](https://github.com/influxdata/telegraf/pull/736): Ignore dummy filesystems from disk plugin. Thanks @PierreF!
 
 ### Bugfixes
 - [#701](https://github.com/influxdata/telegraf/pull/701): output write count shouldnt print in quiet mode.

internal/config/config.go

@@ -185,25 +185,22 @@ var header = `# Telegraf Configuration
   hostname = ""
 
 
-###############################################################################
-#                                  OUTPUTS                                    #
-###############################################################################
+#
+# OUTPUTS:
+#
 
 `
 
 var pluginHeader = `
-
-###############################################################################
-#                                  INPUTS                                     #
-###############################################################################
-
+#
+# INPUTS:
+#
 `
 
 var serviceInputHeader = `
-
-###############################################################################
-#                              SERVICE INPUTS                                 #
-###############################################################################
+#
+# SERVICE INPUTS:
+#
 `
 
 // PrintSampleConfig prints the sample config

plugins/inputs/system/disk.go

@@ -26,8 +26,8 @@ var diskSampleConfig = `
   ## Setting mountpoints will restrict the stats to the specified mountpoints.
   # mount_points = ["/"]
 
-  # Ignore some mountpoints by filesystem type. For example (dev)tmpfs (usually
-  # present on /run, /var/run, /dev/shm or /dev).
+  ## Ignore some mountpoints by filesystem type. For example (dev)tmpfs (usually
+  ## present on /run, /var/run, /dev/shm or /dev).
   ignore_fs = ["tmpfs", "devtmpfs"]
 `
 
@@ -88,11 +88,11 @@ func (_ *DiskIOStats) Description() string {
 }
 
 var diskIoSampleConfig = `
-  # By default, telegraf will gather stats for all devices including
-  # disk partitions.
-  # Setting devices will restrict the stats to the specified devices.
+  ## By default, telegraf will gather stats for all devices including
+  ## disk partitions.
+  ## Setting devices will restrict the stats to the specified devices.
   # devices = ["sda", "sdb"]
-  # Uncomment the following line if you do not need disk serial numbers.
+  ## Uncomment the following line if you do not need disk serial numbers.
   # skip_serial_number = true
 `