tanan

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-blue
  namespace: sample-ns
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx

tanan

// ReadMeshConfig gets mesh configuration from a config file
func ReadMeshConfig(filename string) (*meshconfig.MeshConfig, error) {
	yaml, err := ioutil.ReadFile(filename)
	if err != nil {
		return nil, multierror.Prefix(err, "cannot read mesh config file")
	}
	return model.ApplyMeshConfigDefaults(string(yaml))
}

tanan

概要

kubernetesのmetricsをPrometheusを利用して収集する

• 事前準備
• クラスター構築
• RBAC設定
• コンテナ起動
• namespace設定
• configmap設定
  • Prometheus

tanan

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: prometheus
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
  template:

tanan

kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: all-reader
rules:
  - apiGroups:
      - ""
    resources:
      - nodes
      - nodes/proxy

tanan

global:
  scrape_interval:     15s
  evaluation_interval: 15s

scrape_configs:
  - job_name: 'kubernetes-apiservers'
    kubernetes_sd_configs:
    - role: endpoints
      api_server: https://kubernetes.default
      tls_config:

tanan

router.Get("/", func(w http.ResponseWriter, r *http.Request) {
    http.Redirect(w, r, path.Join(o.ExternalURL.Path, "/graph"), http.StatusFound)
})

router.Get("/alerts", readyf(instrf("alerts", h.alerts)))
router.Get("/graph", readyf(instrf("graph", h.graph)))
router.Get("/status", readyf(instrf("status", h.status)))
router.Get("/flags", readyf(instrf("flags", h.flags)))
router.Get("/config", readyf(instrf("config", h.serveConfig)))
router.Get("/rules", readyf(instrf("rules", h.rules)))

tanan

func reloadConfig(filename string, logger log.Logger, rls ...func(*config.Config) error) (err error) {
	level.Info(logger).Log("msg", "Loading configuration file", "filename", filename)

	defer func() {
		if err == nil {
			configSuccess.Set(1)
			configSuccessTime.SetToCurrentTime()
		} else {
			configSuccess.Set(0)
		}

tanan

a := kingpin.New(filepath.Base(os.Args[0]), "The Prometheus monitoring server")

a.Version(version.Print("prometheus"))

a.HelpFlag.Short('h')

a.Flag("config.file", "Prometheus configuration file path.").
	Default("prometheus.yml").StringVar(&cfg.configFile)

a.Flag("web.listen-address", "Address to listen on for UI, API, and telemetry.").

tanan

spec:
  containers:
  - name: fluentd-gcp
    image: xxxx
    volumeMounts:
    - name: config-volume
      mountPath: /etc/fluent/config.d
  volumes:
  - name: config-volume
    configMap: