Change pass/drop to namepass/namedrop for outputs

closes influxdata#730

Author: sparrc

docs/CONFIGURATION.md

@@ -209,22 +209,22 @@ configuring each output sink is different, but examples can be
 found by running `telegraf -sample-config`.
 
 Outputs also support the same configurable options as inputs
-(pass, drop, tagpass, tagdrop)
+(namepass, namedrop, tagpass, tagdrop)
 
 ```toml
 [[outputs.influxdb]]
   urls = [ "http://localhost:8086" ]
   database = "telegraf"
   precision = "s"
   # Drop all measurements that start with "aerospike"
-  drop = ["aerospike*"]
+  namedrop = ["aerospike*"]
 
 [[outputs.influxdb]]
   urls = [ "http://localhost:8086" ]
   database = "telegraf-aerospike-data"
   precision = "s"
   # Only accept aerospike data:
-  pass = ["aerospike*"]
+  namepass = ["aerospike*"]
 
 [[outputs.influxdb]]
   urls = [ "http://localhost:8086" ]

etc/telegraf.conf

@@ -89,7 +89,7 @@
   # Whether to report total system cpu stats or not
   totalcpu = true
   # Comment this line if you want the raw CPU time metrics
-  drop = ["time_*"]
+  fielddrop = ["time_*"]
 
 # Read metrics about disk usage by mount point
 [[inputs.disk]]

internal/config/config.go

@@ -477,7 +477,8 @@ func (c *Config) addInput(name string, table *ast.Table) error {
 	return nil
 }
 
-// buildFilter builds a Filter (tagpass/tagdrop/pass/drop) to
+// buildFilter builds a Filter
+// (tagpass/tagdrop/namepass/namedrop/fieldpass/fielddrop) to
 // be inserted into the internal_models.OutputConfig/internal_models.InputConfig to be used for prefix
 // filtering on tags and measurements
 func buildFilter(tbl *ast.Table) internal_models.Filter {
@@ -752,5 +753,12 @@ func buildOutput(name string, tbl *ast.Table) (*internal_models.OutputConfig, er
 		Name:   name,
 		Filter: buildFilter(tbl),
 	}
+	// Outputs don't support FieldDrop/FieldPass, so set to NameDrop/NamePass
+	if len(oc.Filter.FieldDrop) > 0 {
+		oc.Filter.NameDrop = oc.Filter.FieldDrop
+	}
+	if len(oc.Filter.FieldPass) > 0 {
+		oc.Filter.NamePass = oc.Filter.FieldPass
+	}
 	return oc, nil
 }

internal/models/filter.go

@@ -28,7 +28,7 @@ type Filter struct {
 }
 
 func (f Filter) ShouldMetricPass(metric telegraf.Metric) bool {
-	if f.ShouldFieldsPass(metric.Name()) && f.ShouldTagsPass(metric.Tags()) {
+	if f.ShouldNamePass(metric.Name()) && f.ShouldTagsPass(metric.Tags()) {
 		return true
 	}
 	return false

plugins/inputs/system/cpu.go

@@ -33,7 +33,7 @@ var sampleConfig = `
   ## Whether to report total system cpu stats or not
   totalcpu = true
   ## Comment this line if you want the raw CPU time metrics
-  drop = ["time_*"]
+  fielddrop = ["time_*"]
 `
 
 func (_ *CPUStats) SampleConfig() string {