diff options
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/pihole/pihole.go | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/pihole/pihole.go b/src/go/collectors/go.d.plugin/modules/pihole/pihole.go new file mode 100644 index 000000000..a5b103a0c --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/pihole/pihole.go @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package pihole + +import ( + _ "embed" + "errors" + "net/http" + "sync" + "time" + + "github.com/netdata/netdata/go/go.d.plugin/agent/module" + "github.com/netdata/netdata/go/go.d.plugin/pkg/web" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("pihole", module.Creator{ + JobConfigSchema: configSchema, + Defaults: module.Defaults{ + UpdateEvery: 5, + }, + Create: func() module.Module { return New() }, + }) +} + +func New() *Pihole { + return &Pihole{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second * 5), + }, + }, + SetupVarsPath: "/etc/pihole/setupVars.conf", + }, + checkVersion: true, + charts: baseCharts.Copy(), + addQueriesTypesOnce: &sync.Once{}, + addFwsDestinationsOnce: &sync.Once{}, + } +} + +type Config struct { + web.HTTP `yaml:",inline" json:""` + UpdateEvery int `yaml:"update_every" json:"update_every"` + SetupVarsPath string `yaml:"setup_vars_path" json:"setup_vars_path"` +} + +type Pihole struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + addQueriesTypesOnce *sync.Once + addFwsDestinationsOnce *sync.Once + + httpClient *http.Client + + checkVersion bool +} + +func (p *Pihole) Configuration() any { + return p.Config +} + +func (p *Pihole) Init() error { + if err := p.validateConfig(); err != nil { + p.Errorf("config validation: %v", err) + return err + } + + httpClient, err := p.initHTTPClient() + if err != nil { + p.Errorf("init http client: %v", err) + return err + } + p.httpClient = httpClient + + p.Password = p.getWebPassword() + if p.Password == "" { + p.Warning("no web password, not all metrics available") + } else { + p.Debugf("web password: %s", p.Password) + } + + return nil +} + +func (p *Pihole) Check() error { + mx, err := p.collect() + if err != nil { + p.Error(err) + return err + } + if len(mx) == 0 { + return errors.New("no metrics collected") + } + return nil +} + +func (p *Pihole) Charts() *module.Charts { + return p.charts +} + +func (p *Pihole) Collect() map[string]int64 { + mx, err := p.collect() + if err != nil { + p.Error(err) + } + + if len(mx) == 0 { + return nil + } + + return mx +} + +func (p *Pihole) Cleanup() { + if p.httpClient != nil { + p.httpClient.CloseIdleConnections() + } +} |