diff options
Diffstat (limited to 'src/go/plugin/go.d/modules/k8s_kubeproxy/kubeproxy.go')
-rw-r--r-- | src/go/plugin/go.d/modules/k8s_kubeproxy/kubeproxy.go | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/go/plugin/go.d/modules/k8s_kubeproxy/kubeproxy.go b/src/go/plugin/go.d/modules/k8s_kubeproxy/kubeproxy.go new file mode 100644 index 000000000..3c9848431 --- /dev/null +++ b/src/go/plugin/go.d/modules/k8s_kubeproxy/kubeproxy.go @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package k8s_kubeproxy + +import ( + _ "embed" + "errors" + "time" + + "github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module" + "github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/prometheus" + "github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/web" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("k8s_kubeproxy", module.Creator{ + JobConfigSchema: configSchema, + Defaults: module.Defaults{ + // NETDATA_CHART_PRIO_CGROUPS_CONTAINERS 40000 + Priority: 50000, + }, + Create: func() module.Module { return New() }, + Config: func() any { return &Config{} }, + }) +} + +func New() *KubeProxy { + return &KubeProxy{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1:10249/metrics", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second), + }, + }, + }, + charts: charts.Copy(), + } +} + +type Config struct { + UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"` + web.HTTP `yaml:",inline" json:""` +} + +type KubeProxy struct { + module.Base + Config `yaml:",inline" json:""` + + charts *Charts + + prom prometheus.Prometheus +} + +func (kp *KubeProxy) Configuration() any { + return kp.Config +} + +func (kp *KubeProxy) Init() error { + if err := kp.validateConfig(); err != nil { + kp.Errorf("config validation: %v", err) + return err + } + + prom, err := kp.initPrometheusClient() + if err != nil { + kp.Error(err) + return err + } + kp.prom = prom + + return nil +} + +func (kp *KubeProxy) Check() error { + mx, err := kp.collect() + if err != nil { + kp.Error(err) + return err + } + if len(mx) == 0 { + return errors.New("no metrics collected") + } + return nil +} + +func (kp *KubeProxy) Charts() *Charts { + return kp.charts +} + +func (kp *KubeProxy) Collect() map[string]int64 { + mx, err := kp.collect() + + if err != nil { + kp.Error(err) + return nil + } + + return mx +} + +func (kp *KubeProxy) Cleanup() { + if kp.prom != nil && kp.prom.HTTPClient() != nil { + kp.prom.HTTPClient().CloseIdleConnections() + } +} |