k8s 1.21 prometheus监控 ingress-nginx

1. k8s 部署 ingress-nginx

# 关键代码 controller-service.yaml
metadata:
  annotations:
    # 添加如下两行代码
    prometheus.io/port: "10254"
    prometheus.io/scrape: "true"

spec:
  type: NodePort
  ports:
    # 添加如下三行代码
    - name: prometheus
      port: 10254
      targetPort: prometheus
      

# controller-deployment.yaml 我采用 DaemonSet里面的
apiVersion: apps/v1
kind: DaemonSet

# 在 ports 添加 - name: prometheus  containerPort: 10254
ports:
  - name: prometheus 
    containerPort: 10254

完整的ingress-nginx, 最好在某node 节点 添加标签, app: ingress ,这样就会部署到指定的节点,这样就能用节点的ip,不然当你重新部署 ingress-nginx 后,不知又落在哪个节点上

apiVersion: v1
kind: Namespace
metadata:
  name: ingress-nginx
  labels:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx

---
# Source: ingress-nginx/templates/controller-serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: controller
  name: ingress-nginx
  namespace: ingress-nginx
---
# Source: ingress-nginx/templates/controller-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: controller
  name: ingress-nginx-controller
  namespace: ingress-nginx
data:
---
# Source: ingress-nginx/templates/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
  name: ingress-nginx
rules:
  - apiGroups:
      - ''
    resources:
      - configmaps
      - endpoints
      - nodes
      - pods
      - secrets
    verbs:
      - list
      - watch
  - apiGroups:
      - ''
    resources:
      - nodes
    verbs:
      - get
  - apiGroups:
      - ''
    resources:
      - services
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
      - networking.k8s.io   # k8s 1.14+
    resources:
      - ingresses
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ''
    resources:
      - events
    verbs:
      - create
      - patch
  - apiGroups:
      - extensions
      - networking.k8s.io   # k8s 1.14+
    resources:
      - ingresses/status
    verbs:
      - update
  - apiGroups:
      - networking.k8s.io   # k8s 1.14+
    resources:
      - ingressclasses
    verbs:
      - get
      - list
      - watch
---
# Source: ingress-nginx/templates/clusterrolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
  name: ingress-nginx
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: ingress-nginx
subjects:
  - kind: ServiceAccount
    name: ingress-nginx
    namespace: ingress-nginx
---
# Source: ingress-nginx/templates/controller-role.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: controller
  name: ingress-nginx
  namespace: ingress-nginx
rules:
  - apiGroups:
      - ''
    resources:
      - namespaces
    verbs:
      - get
  - apiGroups:
      - ''
    resources:
      - configmaps
      - pods
      - secrets
      - endpoints
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ''
    resources:
      - services
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
      - networking.k8s.io   # k8s 1.14+
    resources:
      - ingresses
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
      - networking.k8s.io   # k8s 1.14+
    resources:
      - ingresses/status
    verbs:
      - update
  - apiGroups:
      - networking.k8s.io   # k8s 1.14+
    resources:
      - ingressclasses
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ''
    resources:
      - configmaps
    resourceNames:
      - ingress-controller-leader-nginx
    verbs:
      - get
      - update
  - apiGroups:
      - ''
    resources:
      - configmaps
    verbs:
      - create
  - apiGroups:
      - ''
    resources:
      - events
    verbs:
      - create
      - patch
---
# Source: ingress-nginx/templates/controller-rolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: controller
  name: ingress-nginx
  namespace: ingress-nginx
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: ingress-nginx
subjects:
  - kind: ServiceAccount
    name: ingress-nginx
    namespace: ingress-nginx
---
# Source: ingress-nginx/templates/controller-service-webhook.yaml
apiVersion: v1
kind: Service
metadata:
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: controller
  name: ingress-nginx-controller-admission
  namespace: ingress-nginx
spec:
  type: ClusterIP
  ports:
    - name: https-webhook
      port: 443
      targetPort: webhook
  selector:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/component: controller
---
# Source: ingress-nginx/templates/controller-service.yaml
apiVersion: v1
kind: Service
metadata:
  annotations:
    prometheus.io/port: "10254"
    prometheus.io/scrape: "true"
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: controller
  name: ingress-nginx-controller
  namespace: ingress-nginx
spec:
  type: NodePort
  ports:
    - name: http
      port: 80
      protocol: TCP
      targetPort: http
    - name: https
      port: 443
      protocol: TCP
      targetPort: httpis
    - name: prometheus
      port: 10254
      targetPort: prometheus
  selector:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/component: controller
---
# Source: ingress-nginx/templates/controller-deployment.yaml
apiVersion: apps/v1
kind: DaemonSet
metadata:
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: controller
  name: ingress-nginx-controller
  namespace: ingress-nginx
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: ingress-nginx
      app.kubernetes.io/instance: ingress-nginx
      app.kubernetes.io/component: controller
  revisionHistoryLimit: 10
  minReadySeconds: 0
  template:
    metadata:
      labels:
        app.kubernetes.io/name: ingress-nginx
        app.kubernetes.io/instance: ingress-nginx
        app.kubernetes.io/component: controller
    spec:
      dnsPolicy: ClusterFirstWithHostNet 
      hostNetwork: true
      containers:
        - name: controller
          image: registry.cn-beijing.aliyuncs.com/dotbalo/controller:v0.44.0
          imagePullPolicy: IfNotPresent
          lifecycle:
            preStop:
              exec:
                command:
                  - /wait-shutdown
          args:
            - /nginx-ingress-controller
            - --election-id=ingress-controller-leader
            - --ingress-class=nginx
            - --configmap=$(POD_NAMESPACE)/ingress-nginx-controller
            - --validating-webhook=:8443
            - --validating-webhook-certificate=/usr/local/certificates/cert
            - --validating-webhook-key=/usr/local/certificates/key
          securityContext:
            capabilities:
              drop:
                - ALL
              add:
                - NET_BIND_SERVICE
            runAsUser: 101
            allowPrivilegeEscalation: true
          env:
            - name: POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: LD_PRELOAD
              value: /usr/local/lib/libmimalloc.so
          livenessProbe:
            httpGet:
              path: /healthz
              port: 10254
              scheme: HTTP
            initialDelaySeconds: 10
            periodSeconds: 10
            timeoutSeconds: 1
            successThreshold: 1
            failureThreshold: 5
          readinessProbe:
            httpGet:
              path: /healthz
              port: 10254
              scheme: HTTP
            initialDelaySeconds: 10
            periodSeconds: 10
            timeoutSeconds: 1
            successThreshold: 1
            failureThreshold: 3
          ports:
            - name: http
              containerPort: 80
              protocol: TCP
            - name: https
              containerPort: 443
              protocol: TCP
            - name: webhook
              containerPort: 8443
              protocol: TCP
            - name: prometheus 
              containerPort: 10254
          volumeMounts:
            - name: webhook-cert
              mountPath: /usr/local/certificates/
              readOnly: true
          resources:
            requests:
              cpu: 1000m
              memory: 2048Mi
      nodeSelector:
        kubernetes.io/os: linux
        app: ingress
      serviceAccountName: ingress-nginx
      terminationGracePeriodSeconds: 300
      volumes:
        - name: webhook-cert
          secret:
            secretName: ingress-nginx-admission
---
# Source: ingress-nginx/templates/admission-webhooks/validating-webhook.yaml
# before changing this value, check the required kubernetes version
# https://kubernetes.io/docs/reference/access-authn-authz/extensible-admission-controllers/#prerequisites
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: admission-webhook
  name: ingress-nginx-admission
webhooks:
  - name: validate.nginx.ingress.kubernetes.io
    matchPolicy: Equivalent
    rules:
      - apiGroups:
          - networking.k8s.io
        apiVersions:
          - v1beta1
        operations:
          - CREATE
          - UPDATE
        resources:
          - ingresses
    failurePolicy: Fail
    sideEffects: None
    admissionReviewVersions:
      - v1
      - v1beta1
    clientConfig:
      service:
        namespace: ingress-nginx
        name: ingress-nginx-controller-admission
        path: /networking/v1beta1/ingresses
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
  name: ingress-nginx-admission
  annotations:
    helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
    helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: admission-webhook
  namespace: ingress-nginx
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: ingress-nginx-admission
  annotations:
    helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
    helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: admission-webhook
rules:
  - apiGroups:
      - admissionregistration.k8s.io
    resources:
      - validatingwebhookconfigurations
    verbs:
      - get
      - update
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: ingress-nginx-admission
  annotations:
    helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
    helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: admission-webhook
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: ingress-nginx-admission
subjects:
  - kind: ServiceAccount
    name: ingress-nginx-admission
    namespace: ingress-nginx
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/role.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: ingress-nginx-admission
  annotations:
    helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
    helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: admission-webhook
  namespace: ingress-nginx
rules:
  - apiGroups:
      - ''
    resources:
      - secrets
    verbs:
      - get
      - create
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/rolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: ingress-nginx-admission
  annotations:
    helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
    helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: admission-webhook
  namespace: ingress-nginx
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: ingress-nginx-admission
subjects:
  - kind: ServiceAccount
    name: ingress-nginx-admission
    namespace: ingress-nginx
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/job-createSecret.yaml
apiVersion: batch/v1
kind: Job
metadata:
  name: ingress-nginx-admission-create
  annotations:
    helm.sh/hook: pre-install,pre-upgrade
    helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: admission-webhook
  namespace: ingress-nginx
spec:
  template:
    metadata:
      name: ingress-nginx-admission-create
      labels:
        helm.sh/chart: ingress-nginx-3.23.0
        app.kubernetes.io/name: ingress-nginx
        app.kubernetes.io/instance: ingress-nginx
        app.kubernetes.io/version: 0.44.0
        app.kubernetes.io/managed-by: Helm
        app.kubernetes.io/component: admission-webhook
    spec:
      containers:
        - name: create
          image: registry.cn-beijing.aliyuncs.com/dotbalo/kube-webhook-certgen:v1.5.1
          imagePullPolicy: IfNotPresent
          args:
            - create
            - --host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc
            - --namespace=$(POD_NAMESPACE)
            - --secret-name=ingress-nginx-admission
          env:
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
      restartPolicy: OnFailure
      serviceAccountName: ingress-nginx-admission
      securityContext:
        runAsNonRoot: true
        runAsUser: 2000
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/job-patchWebhook.yaml
apiVersion: batch/v1
kind: Job
metadata:
  name: ingress-nginx-admission-patch
  annotations:
    helm.sh/hook: post-install,post-upgrade
    helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
  labels:
    helm.sh/chart: ingress-nginx-3.23.0
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/version: 0.44.0
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/component: admission-webhook
  namespace: ingress-nginx
spec:
  template:
    metadata:
      name: ingress-nginx-admission-patch
      labels:
        helm.sh/chart: ingress-nginx-3.23.0
        app.kubernetes.io/name: ingress-nginx
        app.kubernetes.io/instance: ingress-nginx
        app.kubernetes.io/version: 0.44.0
        app.kubernetes.io/managed-by: Helm
        app.kubernetes.io/component: admission-webhook
    spec:
      containers:
        - name: patch
          image: registry.cn-beijing.aliyuncs.com/dotbalo/kube-webhook-certgen:v1.5.1
          imagePullPolicy: IfNotPresent
          args:
            - patch
            - --webhook-name=ingress-nginx-admission
            - --namespace=$(POD_NAMESPACE)
            - --patch-mutating=false
            - --secret-name=ingress-nginx-admission
            - --patch-failure-policy=Fail
          env:
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
      restartPolicy: OnFailure
      serviceAccountName: ingress-nginx-admission
      securityContext:
        runAsNonRoot: true
        runAsUser: 2000

2. prometheus 部署 ,创建prometheus 编写:deployment.yaml、kustomization.yaml、prometheus.yaml、role-binding.yaml、role.yaml、service-account.yaml、service.yaml

deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus-server
spec:
  replicas: 1
  template:
    spec:
      serviceAccountName: prometheus-server
      containers:
        - name: prometheus
          image: prom/prometheus
          args:
            - "--config.file=/etc/prometheus/prometheus.yaml"
            - "--storage.tsdb.path=/prometheus/"
          ports:
            - containerPort: 9090
          volumeMounts:
            - name: prometheus-config-volume
              mountPath: /etc/prometheus/
            - name: prometheus-storage-volume
              mountPath: /prometheus/
      volumes:
        - name: prometheus-config-volume
          configMap:
            name: prometheus-configuration
        - name: prometheus-storage-volume
          emptyDir: {}

kustomization.yaml

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: ingress-nginx
commonLabels:
  app.kubernetes.io/name: prometheus
  app.kubernetes.io/part-of: ingress-nginx
resources:
- role.yaml
- service-account.yaml
- role-binding.yaml
- deployment.yaml
- service.yaml
images:
- name: prom/prometheus
configMapGenerator:
- name: prometheus-configuration
  files:
  - prometheus.yaml

prometheus.yaml

global:
  scrape_interval: 10s
scrape_configs:
- job_name: 'ingress-nginx-endpoints'
  kubernetes_sd_configs:
  - role: pod
    namespaces:
      names:
      - ingress-nginx
  relabel_configs:
  - source_labels: [__meta_kubernetes_pod_container_port_number]
    action: keep
    regex: "10254"
  - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scheme]
    action: replace
    target_label: __scheme__
    regex: (https?)
  - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
    action: replace
    target_label: __metrics_path__
    regex: (.+)
  - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
    action: replace
    target_label: __address__
    regex: ([^:]+)(?::\d+)?;(\d+)
    replacement: $1:$2
  - source_labels: [__meta_kubernetes_service_name]
    regex: prometheus-server
    action: drop

role-binding.yaml

apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: prometheus-server
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: prometheus-server
subjects:
  - kind: ServiceAccount
    name: prometheus-server

role.yaml

apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: prometheus-server
rules:
  - apiGroups: [""]
    resources:
      - services
      - endpoints
      - pods
    verbs: ["get", "list", "watch"]

service-account.yaml

apiVersion: v1
kind: ServiceAccount
metadata:
  name: prometheus-server

service.yaml

apiVersion: v1
kind: Service
metadata:
  name: prometheus-server
spec:
  type: NodePort
  ports:
    - port: 9090
      targetPort: 9090
      nodePort: 32223

部署命令 cd prometheus

# 执行命令
kubectl apply -k .

部署 grafana 创建文件夹 grafana, 创建 deployment.yaml、kustomization.yaml、service.yaml

deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: grafana
  namespace: ingress-nginx
spec:
  strategy:
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
    type: RollingUpdate
  template:
    spec:
      containers:
        - image: grafana/grafana
          name: grafana
          ports:
            - containerPort: 3000
              protocol: TCP
          resources:
            limits:
              cpu: 500m
              memory: 2500Mi
            requests:
              cpu: 100m
              memory: 100Mi
          volumeMounts:
            - mountPath: /var/lib/grafana
              name: data
      restartPolicy: Always
      volumes:
        - emptyDir: {}
          name: data

kustomization.yaml

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: ingress-nginx
commonLabels:
  app.kubernetes.io/name: grafana
  app.kubernetes.io/part-of: ingress-nginx
resources:
- deployment.yaml
- service.yaml
images:
- name: grafana/grafana

service.yaml

apiVersion: v1
kind: Service
metadata:
  name: grafana
spec:
  ports:
    - port: 3000
      protocol: TCP
      targetPort: 3000
  type: NodePort

部署命令 cd grafana

# 执行命令
kubectl apply -k .

kubectl get all -n ingress-nginx 查看结果,这个重要 10254:30314/TCP

 
NAME                                       READY   STATUS      RESTARTS   AGE
pod/grafana-74d85fc5bf-d5pxz               1/1     Running     0          69m
pod/ingress-nginx-admission-create-2qwdz   0/1     Completed   0          85m
pod/ingress-nginx-admission-patch-48nks    0/1     Completed   1          85m
pod/ingress-nginx-controller-27nj7         1/1     Running     0          85m
pod/prometheus-server-55d8bfd87-t6bqt      1/1     Running     0          80m

NAME                                         TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)                                      AGE
service/grafana                              NodePort    10.96.245.19    <none>        3000:31697/TCP                               69m
service/ingress-nginx-controller             NodePort    10.96.207.146   <none>        80:31456/TCP,443:32574/TCP,10254:30314/TCP   85m
service/ingress-nginx-controller-admission   ClusterIP   10.96.131.220   <none>        443/TCP                                      85m
service/prometheus-server                    NodePort    10.96.193.34    <none>        9090:32223/TCP                               80m

NAME                                      DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR                        AGE
daemonset.apps/ingress-nginx-controller   1         1         1       1            1           app=ingress,kubernetes.io/os=linux   85m

NAME                                READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/grafana             1/1     1            1           69m
deployment.apps/prometheus-server   1/1     1            1           80m

NAME                                          DESIRED   CURRENT   READY   AGE
replicaset.apps/grafana-74d85fc5bf            1         1         1       69m
replicaset.apps/prometheus-server-55d8bfd87   1         1         1       80m

NAME                                       COMPLETIONS   DURATION   AGE
job.batch/ingress-nginx-admission-create   1/1           10s        85m
job.batch/ingress-nginx-admission-patch    1/1           11s        85m

访问:http://nodeip:32223/targets?search=

k8s 1.21 prometheus监控 ingress-nginx_第1张图片

创建 data source

k8s 1.21 prometheus监控 ingress-nginx_第2张图片

k8s 1.21 prometheus监控 ingress-nginx_第3张图片

k8s 1.21 prometheus监控 ingress-nginx_第4张图片
k8s 1.21 prometheus监控 ingress-nginx_第5张图片

json

{
  "__inputs": [
    {
      "name": "DS_PROMETHEUS",
      "label": "Prometheus",
      "description": "",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
    }
  ],
  "__requires": [
    {
      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "5.2.1"
    },
    {
      "type": "datasource",
      "id": "prometheus",
      "name": "Prometheus",
      "version": "5.0.0"
    },
    {
      "type": "panel",
      "id": "singlestat",
      "name": "Singlestat",
      "version": "5.0.0"
    }
  ],
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "type": "dashboard"
      },
      {
        "datasource": "${DS_PROMETHEUS}",
        "enable": true,
        "expr": "sum(changes(nginx_ingress_controller_config_last_reload_successful_timestamp_seconds{instance!=\"unknown\",controller_class=~\"$controller_class\",namespace=~\"$namespace\"}[30s])) by (controller_class)",
        "hide": false,
        "iconColor": "rgba(255, 96, 96, 1)",
        "limit": 100,
        "name": "Config Reloads",
        "showIn": 0,
        "step": "30s",
        "tagKeys": "controller_class",
        "tags": [],
        "titleFormat": "Config Reloaded",
        "type": "tags"
      }
    ]
  },
  "editable": true,
  "gnetId": null,
  "graphTooltip": 0,
  "iteration": 1534359654832,
  "links": [],
  "panels": [
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": false,
      "colors": [
        "rgba(245, 54, 54, 0.9)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(50, 172, 45, 0.97)"
      ],
      "datasource": "${DS_PROMETHEUS}",
      "format": "ops",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 3,
        "w": 6,
        "x": 0,
        "y": 0
      },
      "id": 20,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": true,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "round(sum(irate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\"}[2m])), 0.001)",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A",
          "step": 4
        }
      ],
      "thresholds": "",
      "title": "Controller Request Volume",
      "transparent": false,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "avg"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": false,
      "colors": [
        "rgba(245, 54, 54, 0.9)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(50, 172, 45, 0.97)"
      ],
      "datasource": "${DS_PROMETHEUS}",
      "format": "none",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 3,
        "w": 6,
        "x": 6,
        "y": 0
      },
      "id": 82,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": true,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "sum(avg_over_time(nginx_ingress_controller_nginx_process_connections{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",state=\"active\"}[2m]))",
          "format": "time_series",
          "instant": false,
          "intervalFactor": 1,
          "refId": "A",
          "step": 4
        }
      ],
      "thresholds": "",
      "title": "Controller Connections",
      "transparent": false,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "avg"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": false,
      "colors": [
        "rgba(245, 54, 54, 0.9)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(50, 172, 45, 0.97)"
      ],
      "datasource": "${DS_PROMETHEUS}",
      "format": "percentunit",
      "gauge": {
        "maxValue": 100,
        "minValue": 80,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": false
      },
      "gridPos": {
        "h": 3,
        "w": 6,
        "x": 12,
        "y": 0
      },
      "id": 21,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": true,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",status!~\"[4-5].*\"}[2m])) / sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\"}[2m]))",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A",
          "step": 4
        }
      ],
      "thresholds": "95, 99, 99.5",
      "title": "Controller Success Rate (non-4|5xx responses)",
      "transparent": false,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "avg"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": false,
      "colors": [
        "rgba(245, 54, 54, 0.9)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(50, 172, 45, 0.97)"
      ],
      "datasource": "${DS_PROMETHEUS}",
      "decimals": 0,
      "format": "none",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 3,
        "w": 3,
        "x": 18,
        "y": 0
      },
      "id": 81,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": true,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "avg(irate(nginx_ingress_controller_success{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[1m])) * 60",
          "format": "time_series",
          "instant": false,
          "intervalFactor": 1,
          "refId": "A",
          "step": 4
        }
      ],
      "thresholds": "",
      "title": "Config Reloads",
      "transparent": false,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "total"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": false,
      "colors": [
        "rgba(245, 54, 54, 0.9)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(50, 172, 45, 0.97)"
      ],
      "datasource": "${DS_PROMETHEUS}",
      "decimals": 0,
      "format": "none",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 3,
        "w": 3,
        "x": 21,
        "y": 0
      },
      "id": 83,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": true,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "count(nginx_ingress_controller_config_last_reload_successful{controller_pod=~\"$controller\",controller_namespace=~\"$namespace\"} == 0)",
          "format": "time_series",
          "instant": true,
          "intervalFactor": 1,
          "refId": "A",
          "step": 4
        }
      ],
      "thresholds": "",
      "title": "Last Config Failed",
      "transparent": false,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "avg"
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "decimals": 2,
      "editable": true,
      "error": false,
      "fill": 1,
      "grid": {},
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 0,
        "y": 3
      },
      "height": "200px",
      "id": 86,
      "isNew": true,
      "legend": {
        "alignAsTable": true,
        "avg": true,
        "current": false,
        "hideEmpty": false,
        "hideZero": true,
        "max": false,
        "min": false,
        "rightSide": true,
        "show": true,
        "sideWidth": 300,
        "sort": "current",
        "sortDesc": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 2,
      "links": [],
      "nullPointMode": "connected",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "repeat": null,
      "repeatDirection": "h",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "round(sum(irate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (ingress), 0.001)",
          "format": "time_series",
          "hide": false,
          "instant": false,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "{{ ingress }}",
          "metric": "network",
          "refId": "A",
          "step": 10
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Ingress Request Volume",
      "tooltip": {
        "msResolution": false,
        "shared": true,
        "sort": 2,
        "value_type": "cumulative"
      },
      "transparent": false,
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "reqps",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "Bps",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": false
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {
        "max - istio-proxy": "#890f02",
        "max - master": "#bf1b00",
        "max - prometheus": "#bf1b00"
      },
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "decimals": 2,
      "editable": false,
      "error": false,
      "fill": 0,
      "grid": {},
      "gridPos": {
        "h": 7,
        "w": 12,
        "x": 12,
        "y": 3
      },
      "id": 87,
      "isNew": true,
      "legend": {
        "alignAsTable": true,
        "avg": true,
        "current": false,
        "hideEmpty": true,
        "hideZero": false,
        "max": false,
        "min": false,
        "rightSide": true,
        "show": true,
        "sideWidth": 300,
        "sort": "avg",
        "sortDesc": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 2,
      "links": [],
      "nullPointMode": "connected",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",ingress=~\"$ingress\",status!~\"[4-5].*\"}[2m])) by (ingress) / sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (ingress)",
          "format": "time_series",
          "instant": false,
          "interval": "10s",
          "intervalFactor": 1,
          "legendFormat": "{{ ingress }}",
          "metric": "container_memory_usage:sort_desc",
          "refId": "A",
          "step": 10
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Ingress Success Rate (non-4|5xx responses)",
      "tooltip": {
        "msResolution": false,
        "shared": true,
        "sort": 1,
        "value_type": "cumulative"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "percentunit",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": false
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "decimals": 2,
      "editable": true,
      "error": false,
      "fill": 1,
      "grid": {},
      "gridPos": {
        "h": 6,
        "w": 8,
        "x": 0,
        "y": 10
      },
      "height": "200px",
      "id": 32,
      "isNew": true,
      "legend": {
        "alignAsTable": false,
        "avg": true,
        "current": true,
        "max": false,
        "min": false,
        "rightSide": false,
        "show": false,
        "sideWidth": 200,
        "sort": "current",
        "sortDesc": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 2,
      "links": [],
      "nullPointMode": "connected",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "sum (irate (nginx_ingress_controller_request_size_sum{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m]))",
          "format": "time_series",
          "instant": false,
          "interval": "10s",
          "intervalFactor": 1,
          "legendFormat": "Received",
          "metric": "network",
          "refId": "A",
          "step": 10
        },
        {
          "expr": "- sum (irate (nginx_ingress_controller_response_size_sum{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m]))",
          "format": "time_series",
          "hide": false,
          "interval": "10s",
          "intervalFactor": 1,
          "legendFormat": "Sent",
          "metric": "network",
          "refId": "B",
          "step": 10
        }
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        "name": "ingress",
        "options": [],
        "query": "label_values(nginx_ingress_controller_requests{namespace=~\"$namespace\",controller_class=~\"$controller_class\",controller_pod=~\"$controller\"}, ingress) ",
        "refresh": 1,
        "regex": "",
        "sort": 2,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      }
    ]
  },
  "time": {
    "from": "now-1h",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "2m",
      "5m",
      "15m",
      "30m",
      "1h",
      "2h",
      "1d"
    ],
    "time_options": [
      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
      "7d",
      "30d"
    ]
  },
  "timezone": "browser",
  "title": "NGINX Ingress controller",
  "uid": "nginx",
  "version": 1
}

访问:http://nodeip:31697/?orgId=1&search=open&query=

k8s 1.21 prometheus监控 ingress-nginx_第6张图片

k8s 1.21 prometheus监控 ingress-nginx_第7张图片

end 谢谢观看

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