我尝试.NET Core + Kubernetes + Appmetrics + Prometheus + grafana +工作+健康检查

 kind: Deployment apiVersion: apps/v1 metadata: name: metricsdemo labels: app: web spec: replicas: 2 #    (  ) #  ,      selector: matchLabels: app: metricsdemo template: metadata: labels: app: metricsdemo #     selector  kind: Service spec: containers: - name: metricsdemo #   image: localhost:5000/sansys/metricsdemo3 #    ports: - containerPort: 80 #       # :    ,       --- kind: Service apiVersion: v1 metadata: name: metricsdemo #    __meta_kubernetes_service_name="metricsdemo",  https://prometheus.io/docs/prometheus/latest/configuration/configuration/#kubernetes_sd_config labels: apptype: business #    __meta_kubernetes_service_label_apptype="business" -  instancetype: web #    __meta_kubernetes_service_label_instancetype="web" spec: selector: app: metricsdemo #    labels:app type: LoadBalancer #      ports: - protocol: TCP #    _meta_kubernetes_service_port_protocol="TCP" port: 9376 targetPort: 80 name: portapi #    __meta_kubernetes_service_port_name="portapi" 

 private static void AutoDiscoverRoutes(HttpContext context) { if (context.Request.Path.Value == "/favicon.ico") return; List<string> keys = new List<string>(); List<string> vals = new List<string>(); var routeData = context.GetRouteData(); if (routeData != null) { keys.AddRange(routeData.Values.Keys); vals.AddRange(routeData.Values.Values.Select(p => p.ToString())); } keys.Add("method"); vals.Add(context.Request.Method); keys.Add("response"); vals.Add(context.Response.StatusCode.ToString()); keys.Add("url"); vals.Add(context.Request.Path.Value); Program.Metrics.Measure.Counter.Increment(new CounterOptions { Name = "api", //ResetOnReporting = true, // ,     MeasurementUnit = Unit.Calls, Tags = new MetricTags(keys.ToArray(), vals.ToArray()) }); } 

 apiVersion: v1 kind: ConfigMap #  ,   metadata: name: prometheus-config #  - namespace: default labels: kubernetes.io/cluster-service: "true" addonmanager.kubernetes.io/mode: EnsureExists data: #     prometheus.yml: | global: scrape_interval: 5s # Default is every 1 minute. evaluation_interval: 5s # The default is every 1 minute. scrape_configs: - job_name: prometheus static_configs: - targets: - localhost:9090 - job_name: business-metrics #     metrics_path: /metrics kubernetes_sd_configs: - role: endpoints #   .   service,pod,ingress static_configs: - targets: - localhost:9090 relabel_configs: #       default   c  apptype = business - action: keep regex: default;business source_labels: - __meta_kubernetes_namespace - __meta_kubernetes_service_label_apptype 

 apiVersion: extensions/v1beta1 kind: Deployment metadata: name: prometheus namespace: default spec: replicas: 1 template: metadata: labels: app: prometheus-server spec: containers: - name: prometheus image: prom/prometheus args: - "--config.file=/etc/config/prometheus.yml" - "--web.enable-lifecycle" ports: - containerPort: 9090 volumeMounts: - name: prometheus-config-volume #    mountPath: /etc/config/ #     volumes: - name: prometheus-config-volume #     configMap: defaultMode: 420 name: prometheus-config #  - --- kind: Service apiVersion: v1 metadata: name: prometheus spec: selector: app: prometheus-server #    labels:app type: LoadBalancer #      ports: - protocol: TCP port: 9090 targetPort: 9090 

 apiVersion: v1 kind: ConfigMap metadata: creationTimestamp: null name: grafana-provisioning-datasources namespace: default data: all.yml: | datasources: - name: 'Prometheus' type: 'prometheus' access: 'proxy' org_id: 1 url: 'http://prometheus:9090' is_default: true version: 1 editable: true --- apiVersion: v1 kind: ConfigMap metadata: creationTimestamp: null name: grafana-provisioning-dashboards namespace: default data: all.yml: | apiVersion: 1 providers: - name: 'default' orgId: 1 folder: '' type: file disableDeletion: false updateIntervalSeconds: 10 #how often Grafana will scan for changed dashboards options: path: /var/lib/grafana/dashboards --- apiVersion: v1 kind: ConfigMap metadata: creationTimestamp: null name: grafana-dashboards namespace: default data: service-http-requests.json: | { "annotations": { "list": [ { "builtIn": 1, "datasource": "-- Grafana --", "enable": true, "hide": true, "iconColor": "rgba(0, 211, 255, 1)", "name": "Annotations & Alerts", "type": "dashboard" } ] }, "editable": true, "gnetId": null, "graphTooltip": 0, "links": [], "panels": [ { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "fill": 1, "gridPos": { "h": 9, "w": 12, "x": 0, "y": 0 }, "id": 2, "legend": { "alignAsTable": false, "avg": false, "current": false, "max": false, "min": false, "rightSide": true, "show": true, "total": false, "values": false }, "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "expr": "sum by (response, action, url, app) (delta(application_api[15s]))", "format": "time_series", "interval": "15s", "intervalFactor": 1, "legendFormat": "{{app}} {{response}} - {{url}}", "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Http requests", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ], "yaxis": { "align": false, "alignLevel": null } } ], "refresh": "5s", "schemaVersion": 16, "style": "dark", "tags": [], "templating": { "list": [] }, "time": { "from": "now-30m", "to": "now" }, "timepicker": { "refresh_intervals": [ "5s", "10s", "30s", "1m", "5m", "15m", "30m", "1h", "2h", "1d" ], "time_options": [ "5m", "15m", "1h", "6h", "12h", "24h", "2d", "7d", "30d" ] }, "timezone": "", "title": "Business metrics", "uid": "Dm0tD0Qik", "version": 1 } 

 apiVersion: extensions/v1beta1 kind: Deployment metadata: name: grafana namespace: default labels: app: grafana component: core spec: replicas: 1 template: metadata: labels: app: grafana component: core spec: containers: - image: grafana/grafana name: grafana imagePullPolicy: IfNotPresent resources: limits: cpu: 100m memory: 100Mi requests: cpu: 100m memory: 100Mi env: - name: GF_AUTH_BASIC_ENABLED value: "true" - name: GF_AUTH_ANONYMOUS_ENABLED value: "true" - name: GF_AUTH_ANONYMOUS_ORG_ROLE value: Admin readinessProbe: httpGet: path: /login port: 3000 # initialDelaySeconds: 30 # timeoutSeconds: 1 volumeMounts: - name: grafana-provisioning-datasources mountPath: /etc/grafana/provisioning/datasources/ - name: grafana-provisioning-dashboards mountPath: /etc/grafana/provisioning/dashboards/ - name: grafana-dashboards mountPath: /var/lib/grafana/dashboards/ volumes: - name: grafana-provisioning-datasources configMap: defaultMode: 420 name: grafana-provisioning-datasources - name: grafana-provisioning-dashboards configMap: defaultMode: 420 name: grafana-provisioning-dashboards - name: grafana-dashboards configMap: defaultMode: 420 name: grafana-dashboards nodeSelector: beta.kubernetes.io/os: linux --- apiVersion: v1 kind: Service metadata: name: grafana namespace: default labels: app: grafana component: core spec: type: LoadBalancer ports: - protocol: TCP port: 3000 targetPort: 3000 selector: app: grafana component: core