93 lines
1.9 KiB
Go
93 lines
1.9 KiB
Go
package models
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import (
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"strings"
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"github.com/influxdata/influxdb/client/v2"
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"github.com/influxdata/telegraf/internal"
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)
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// TagFilter is the name of a tag, and the values on which to filter
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type TagFilter struct {
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Name string
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Filter []string
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}
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// Filter containing drop/pass and tagdrop/tagpass rules
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type Filter struct {
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Drop []string
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Pass []string
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TagDrop []TagFilter
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TagPass []TagFilter
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IsActive bool
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}
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func (f Filter) ShouldPointPass(point *client.Point) bool {
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if f.ShouldPass(point.Name()) && f.ShouldTagsPass(point.Tags()) {
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return true
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}
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return false
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}
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// ShouldPass returns true if the metric should pass, false if should drop
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// based on the drop/pass filter parameters
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func (f Filter) ShouldPass(key string) bool {
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if f.Pass != nil {
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for _, pat := range f.Pass {
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// TODO remove HasPrefix check, leaving it for now for legacy support.
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// Cam, 2015-12-07
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if strings.HasPrefix(key, pat) || internal.Glob(pat, key) {
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return true
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}
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}
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return false
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}
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if f.Drop != nil {
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for _, pat := range f.Drop {
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// TODO remove HasPrefix check, leaving it for now for legacy support.
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// Cam, 2015-12-07
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if strings.HasPrefix(key, pat) || internal.Glob(pat, key) {
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return false
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}
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}
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return true
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}
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return true
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}
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// ShouldTagsPass returns true if the metric should pass, false if should drop
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// based on the tagdrop/tagpass filter parameters
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func (f Filter) ShouldTagsPass(tags map[string]string) bool {
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if f.TagPass != nil {
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for _, pat := range f.TagPass {
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if tagval, ok := tags[pat.Name]; ok {
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for _, filter := range pat.Filter {
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if internal.Glob(filter, tagval) {
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return true
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}
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}
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}
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}
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return false
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}
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if f.TagDrop != nil {
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for _, pat := range f.TagDrop {
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if tagval, ok := tags[pat.Name]; ok {
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for _, filter := range pat.Filter {
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if internal.Glob(filter, tagval) {
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return false
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}
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}
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}
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}
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return true
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}
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return true
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}
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