1 files changed, 120 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/systemdunits/systemdunits.go b/src/go/collectors/go.d.plugin/modules/systemdunits/systemdunits.go
new file mode 100644
index 000000000..345b2525a
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/systemdunits/systemdunits.go
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+//go:build linux
+// +build linux
+
+package systemdunits
+
+import (
+	_ "embed"
+	"errors"
+	"time"
+
+	"github.com/netdata/netdata/go/go.d.plugin/agent/module"
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/matcher"
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
+)
+
+//go:embed "config_schema.json"
+var configSchema string
+
+func init() {
+	module.Register("systemdunits", module.Creator{
+		JobConfigSchema: configSchema,
+		Defaults: module.Defaults{
+			UpdateEvery: 10, // gathering systemd units can be a CPU intensive op
+		},
+		Create: func() module.Module { return New() },
+	})
+}
+
+func New() *SystemdUnits {
+	return &SystemdUnits{
+		Config: Config{
+			Timeout: web.Duration(time.Second * 2),
+			Include: []string{
+				"*.service",
+			},
+		},
+
+		charts: &module.Charts{},
+		client: newSystemdDBusClient(),
+		units:  make(map[string]bool),
+	}
+}
+
+type Config struct {
+	UpdateEvery int          `yaml:"update_every" json:"update_every"`
+	Timeout     web.Duration `yaml:"timeout" json:"timeout"`
+	Include     []string     `yaml:"include" json:"include"`
+}
+
+type SystemdUnits struct {
+	module.Base
+	Config `yaml:",inline" json:""`
+
+	client systemdClient
+	conn   systemdConnection
+
+	systemdVersion int
+	units          map[string]bool
+	sr             matcher.Matcher
+
+	charts *module.Charts
+}
+
+func (s *SystemdUnits) Configuration() any {
+	return s.Config
+}
+
+func (s *SystemdUnits) Init() error {
+	err := s.validateConfig()
+	if err != nil {
+		s.Errorf("config validation: %v", err)
+		return err
+	}
+
+	sr, err := s.initSelector()
+	if err != nil {
+		s.Errorf("init selector: %v", err)
+		return err
+	}
+	s.sr = sr
+
+	s.Debugf("unit names patterns: %v", s.Include)
+	s.Debugf("timeout: %s", s.Timeout)
+
+	return nil
+}
+
+func (s *SystemdUnits) Check() error {
+	mx, err := s.collect()
+	if err != nil {
+		s.Error(err)
+		return err
+	}
+	if len(mx) == 0 {
+		return errors.New("no metrics collected")
+	}
+	return nil
+}
+
+func (s *SystemdUnits) Charts() *module.Charts {
+	return s.charts
+}
+
+func (s *SystemdUnits) Collect() map[string]int64 {
+	mx, err := s.collect()
+	if err != nil {
+		s.Error(err)
+	}
+
+	if len(mx) == 0 {
+		return nil
+	}
+	return mx
+}
+
+func (s *SystemdUnits) Cleanup() {
+	s.closeConnection()
+}