60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
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package system
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import (
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kube "k8s.io/kubernetes/pkg/client/unversioned"
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godocker "github.com/fsouza/go-dockerclient"
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"github.com/influxdata/telegraf"
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docker "github.com/influxdata/telegraf/internal/docker"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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type Kubernetes struct {
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DockerEndpoint string
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ContainerNames []string
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DockerClient *godocker.Client
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KubernetesClient *kube.Client
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}
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var sampleConfig = `
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# Docker Endpoint
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# To use TCP, set docker_endpoint = "tcp://[ip]:[port]"
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# To use environment variables (ie, docker-machine), set docker_endpoint = "ENV"
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docker_endpoint = "unix:///var/run/docker.sock"
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# Only collect metrics for these containers, collect all if empty
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container_names = []
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`
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func (k *Kubernetes) Description() string {
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return "Read metrics about docker containers running on a kubernetes cluster"
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}
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func (k *Kubernetes) SampleConfig() string { return sampleConfig }
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func (k *Kubernetes) Gather(acc telegraf.Accumulator) error {
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var err error
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k.KubernetesClient, err = kube.NewInCluster()
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if err != nil {
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return err
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}
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k.DockerClient, err = docker.CreateClient(k.DockerEndpoint)
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if err != nil {
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return err
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}
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if k.DockerClient != nil {
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err = docker.GatherContainerMetrics(k.DockerClient, k.KubernetesClient, k.ContainerNames, acc)
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}
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return err
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}
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func init() {
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inputs.Add("kubernetes", func() telegraf.Input {
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return &Kubernetes{}
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})
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}
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