diff options
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/dnsdist/dnsdist.go | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/dnsdist/dnsdist.go b/src/go/collectors/go.d.plugin/modules/dnsdist/dnsdist.go new file mode 100644 index 000000000..a26bdd023 --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/dnsdist/dnsdist.go @@ -0,0 +1,120 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package dnsdist + +import ( + _ "embed" + "errors" + "net/http" + "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("dnsdist", module.Creator{ + JobConfigSchema: configSchema, + Defaults: module.Defaults{ + UpdateEvery: 1, + }, + Create: func() module.Module { return New() }, + }) +} + +func New() *DNSdist { + return &DNSdist{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1:8083", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second), + }, + }, + }, + } +} + +type Config struct { + web.HTTP `yaml:",inline" json:""` + UpdateEvery int `yaml:"update_every" json:"update_every"` +} + +type DNSdist struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + + httpClient *http.Client +} + +func (d *DNSdist) Configuration() any { + return d.Config +} + +func (d *DNSdist) Init() error { + err := d.validateConfig() + if err != nil { + d.Errorf("config validation: %v", err) + return err + } + + client, err := d.initHTTPClient() + if err != nil { + d.Errorf("init HTTP client: %v", err) + return err + } + d.httpClient = client + + cs, err := d.initCharts() + if err != nil { + d.Errorf("init charts: %v", err) + return err + } + d.charts = cs + + return nil +} + +func (d *DNSdist) Check() error { + mx, err := d.collect() + if err != nil { + d.Error(err) + return err + } + if len(mx) == 0 { + return errors.New("no metrics collected") + + } + return nil +} + +func (d *DNSdist) Charts() *module.Charts { + return d.charts +} + +func (d *DNSdist) Collect() map[string]int64 { + ms, err := d.collect() + if err != nil { + d.Error(err) + } + + if len(ms) == 0 { + return nil + } + + return ms +} + +func (d *DNSdist) Cleanup() { + if d.httpClient == nil { + return + } + d.httpClient.CloseIdleConnections() +} |