| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | //go:build linux |
| 4 | |
| 5 | package systemdunits |
| 6 | |
| 7 | import ( |
| 8 | "errors" |
| 9 | "strings" |
| 10 | |
| 11 | "github.com/netdata/netdata/go/plugins/pkg/matcher" |
| 12 | ) |
| 13 | |
| 14 | func (c *Collector) validateConfig() error { |
| 15 | if len(c.Include) == 0 { |
| 16 | return errors.New("'include' option not set") |
| 17 | } |
| 18 | return nil |
| 19 | } |
| 20 | |
| 21 | func (c *Collector) initUnitSelector() (matcher.Matcher, error) { |
| 22 | if len(c.Include) == 0 { |
| 23 | return matcher.TRUE(), nil |
| 24 | } |
| 25 | |
| 26 | expr := strings.Join(c.Include, " ") |
| 27 | return matcher.NewSimplePatternsMatcher(expr) |
| 28 | } |