diff options
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/systemdunits/systemdunits.go | 120 |
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() +} |