package override import ( "github.com/influxdata/telegraf" "github.com/influxdata/telegraf/plugins/processors" ) var sampleConfig = ` ## All modifications on inputs and aggregators can be overridden: # name_override = "new_name" # name_prefix = "new_name_prefix" # name_suffix = "new_name_suffix" ## Tags to be added (all values must be strings) # [processors.override.tags] # additional_tag = "tag_value" ` type Override struct { NameOverride string NamePrefix string NameSuffix string Tags map[string]string } func (p *Override) SampleConfig() string { return sampleConfig } func (p *Override) Description() string { return "Apply metric modifications using override semantics." } func (p *Override) Apply(in ...telegraf.Metric) []telegraf.Metric { for _, metric := range in { if len(p.NameOverride) > 0 { metric.SetName(p.NameOverride) } if len(p.NamePrefix) > 0 { metric.SetPrefix(p.NamePrefix) } if len(p.NameSuffix) > 0 { metric.SetSuffix(p.NameSuffix) } for key, value := range p.Tags { metric.AddTag(key, value) } } return in } func init() { processors.Add("override", func() telegraf.Processor { return &Override{} }) }