diff options
Diffstat (limited to 'src/go/collectors/go.d.plugin/modules/envoy/envoy.go')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/envoy/envoy.go | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/envoy/envoy.go b/src/go/collectors/go.d.plugin/modules/envoy/envoy.go new file mode 100644 index 000000000..1450ef7dd --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/envoy/envoy.go @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package envoy + +import ( + _ "embed" + "errors" + "time" + + "github.com/netdata/netdata/go/go.d.plugin/agent/module" + "github.com/netdata/netdata/go/go.d.plugin/pkg/prometheus" + "github.com/netdata/netdata/go/go.d.plugin/pkg/web" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("envoy", module.Creator{ + JobConfigSchema: configSchema, + Create: func() module.Module { return New() }, + }) +} + +func New() *Envoy { + return &Envoy{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1:9091/stats/prometheus", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second), + }, + }, + }, + + charts: &module.Charts{}, + + servers: make(map[string]bool), + clusterMgrs: make(map[string]bool), + clusterUpstream: make(map[string]bool), + listenerMgrs: make(map[string]bool), + listenerAdminDownstream: make(map[string]bool), + listenerDownstream: make(map[string]bool), + } +} + +type Config struct { + web.HTTP `yaml:",inline" json:""` + UpdateEvery int `yaml:"update_every" json:"update_every"` +} + +type Envoy struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + + prom prometheus.Prometheus + + servers map[string]bool + clusterMgrs map[string]bool + clusterUpstream map[string]bool + listenerMgrs map[string]bool + listenerAdminDownstream map[string]bool + listenerDownstream map[string]bool +} + +func (e *Envoy) Configuration() any { + return e.Config +} + +func (e *Envoy) Init() error { + if err := e.validateConfig(); err != nil { + e.Errorf("config validation: %v", err) + return err + } + + prom, err := e.initPrometheusClient() + if err != nil { + e.Errorf("init Prometheus client: %v", err) + return err + } + e.prom = prom + + return nil +} + +func (e *Envoy) Check() error { + mx, err := e.collect() + if err != nil { + e.Error(err) + return err + } + if len(mx) == 0 { + return errors.New("no metrics collected") + + } + return nil +} + +func (e *Envoy) Charts() *module.Charts { + return e.charts +} + +func (e *Envoy) Collect() map[string]int64 { + mx, err := e.collect() + if err != nil { + e.Error(err) + } + + if len(mx) == 0 { + return nil + } + return mx +} + +func (e *Envoy) Cleanup() { + if e.prom == nil || e.prom.HTTPClient() == nil { + return + } + + e.prom.HTTPClient().CloseIdleConnections() +} |