netdata/netdata

// SPDX-License-Identifier: GPL-3.0-or-later

//go:build linux
// +build linux

package systemdunits

import (
    "errors"
    "strings"

    "github.com/netdata/netdata/go/go.d.plugin/pkg/matcher"
)

func (s *SystemdUnits) validateConfig() error {
    if len(s.Include) == 0 {
        return errors.New("'include' option not set")
    }
    return nil
}

func (s *SystemdUnits) initUnitSelector() (matcher.Matcher, error) {
    if len(s.Include) == 0 {
        return matcher.TRUE(), nil
    }

    expr := strings.Join(s.Include, " ")
    return matcher.NewSimplePatternsMatcher(expr)
}