Centos7 部署Prometheus（Kubernetes）
Posted 张志翔 ̮
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了Centos7 部署Prometheus（Kubernetes）相关的知识，希望对你有一定的参考价值。
最近项目中通过Kubernetes部署Prometheus完成可视化大屏数据采集，特此记录便于日后查阅。
一、Prometheus部署
1、deploy.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
name: prometheus-deployment
name: prometheus
namespace: monitoring
spec:
replicas: 1
selector:
matchLabels:
app: prometheus
template:
metadata:
labels:
app: prometheus
spec:
containers:
- image: prom/prometheus:v2.7.1
name: prometheus
command:
- "/bin/prometheus"
args:
- "--config.file=/etc/prometheus/prometheus.yml"
- "--storage.tsdb.path=/prometheus"
- "--storage.tsdb.retention=72h"
ports:
- containerPort: 9090
protocol: TCP
volumeMounts:
- mountPath: "/prometheus"
name: data
- mountPath: "/etc/prometheus"
name: prometheus-config-volume
resources:
requests:
cpu: 100m
memory: 100Mi
limits:
cpu: 500m
memory: 2500Mi
serviceAccountName: prometheus
volumes:
- name: data
emptyDir:
- name: prometheus-config-volume
configMap:
name: prometheus-config
---
kind: Service
apiVersion: v1
metadata:
labels:
app: prometheus
name: prometheus
namespace: monitoring
spec:
type: NodePort
ports:
- port: 9090
targetPort: 9090
nodePort: 30003
selector:
app: prometheus
2、configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: prometheus-config
namespace: monitoring
data:
prometheus.yml: |
global:
scrape_interval: 15s
evaluation_interval: 15s
scrape_configs:
- job_name: 'k8s-cadvisor'
metrics_path: /metrics/cadvisor
kubernetes_sd_configs:
- role: node
relabel_configs:
- source_labels: [__address__]
regex: '(.*):10250'
replacement: '$1:10255'
target_label: __address__
action: replace
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
metric_relabel_configs:
- source_labels: [instance]
separator: ;
regex: (.+)
target_label: node
replacement: $1
action: replace
- source_labels: [pod_name]
separator: ;
regex: (.+)
target_label: pod
replacement: $1
action: replace
- source_labels: [container_name]
separator: ;
regex: (.+)
target_label: container
replacement: $1
action: replace
- job_name: kube-state-metrics
kubernetes_sd_configs:
- role: endpoints
namespaces:
names:
- ops-monit
relabel_configs:
- source_labels: [__meta_kubernetes_service_label_app_kubernetes_io_name]
regex: kube-state-metrics
replacement: $1
action: keep
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- source_labels: [__meta_kubernetes_namespace]
action: replace
target_label: k8s_namespace
- source_labels: [__meta_kubernetes_service_name]
action: replace
target_label: k8s_sname
- job_name: spring-boot-metrics
kubernetes_sd_configs:
- role: endpoints
relabel_configs:
- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_spring]
action: keep
regex: true
- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
action: replace
target_label: __metrics_path__
regex: (.+)
- source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
action: replace
target_label: __address__
regex: ([^:]+)(?::\\d+)?;(\\d+)
replacement: $1:$2
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- source_labels: [__meta_kubernetes_namespace]
action: replace
target_label: spring_namespace
- source_labels: [__meta_kubernetes_service_name]
action: replace
target_label: spring_name
3、kube-state-metrics.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
app.kubernetes.io/name: kube-state-metrics
app.kubernetes.io/version: v1.9.7
name: kube-state-metrics
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: kube-state-metrics
subjects:
- kind: ServiceAccount
name: kube-state-metrics
namespace: ops-monit
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app.kubernetes.io/name: kube-state-metrics
app.kubernetes.io/version: v1.9.7
name: kube-state-metrics
rules:
- apiGroups:
- ""
resources:
- configmaps
- secrets
- nodes
- pods
- services
- resourcequotas
- replicationcontrollers
- limitranges
- persistentvolumeclaims
- persistentvolumes
- namespaces
- endpoints
verbs:
- list
- watch
- apiGroups:
- extensions
resources:
- daemonsets
- deployments
- replicasets
- ingresses
verbs:
- list
- watch
- apiGroups:
- apps
resources:
- statefulsets
- daemonsets
- deployments
- replicasets
verbs:
- list
- watch
- apiGroups:
- batch
resources:
- cronjobs
- jobs
verbs:
- list
- watch
- apiGroups:
- autoscaling
resources:
- horizontalpodautoscalers
verbs:
- list
- watch
- apiGroups:
- authentication.k8s.io
resources:
- tokenreviews
verbs:
- create
- apiGroups:
- authorization.k8s.io
resources:
- subjectaccessreviews
verbs:
- create
- apiGroups:
- policy
resources:
- poddisruptionbudgets
verbs:
- list
- watch
- apiGroups:
- certificates.k8s.io
resources:
- certificatesigningrequests
verbs:
- list
- watch
- apiGroups:
- storage.k8s.io
resources:
- storageclasses
- volumeattachments
verbs:
- list
- watch
- apiGroups:
- admissionregistration.k8s.io
resources:
- mutatingwebhookconfigurations
- validatingwebhookconfigurations
verbs:
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- networkpolicies
verbs:
- list
- watch
---
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
app.kubernetes.io/name: kube-state-metrics
app.kubernetes.io/version: v1.9.7
name: kube-state-metrics
namespace: ops-monit
---
apiVersion: v1
kind: Service
metadata:
# annotations:
# prometheus.io/scrape: 'true'
labels:
app.kubernetes.io/name: kube-state-metrics
app.kubernetes.io/version: v1.9.7
name: kube-state-metrics
namespace: ops-monit
spec:
clusterIP: None
ports:
- name: http-metrics
port: 8080
targetPort: http-metrics
- name: telemetry
port: 8081
targetPort: telemetry
selector:
app.kubernetes.io/name: kube-state-metrics
---
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app.kubernetes.io/name: kube-state-metrics
app.kubernetes.io/version: v1.9.7
name: kube-state-metrics
namespace: ops-monit
spec:
replicas: 1
selector:
matchLabels:
app.kubernetes.io/name: kube-state-metrics
template:
metadata:
labels:
app.kubernetes.io/name: kube-state-metrics
app.kubernetes.io/version: v1.9.7
spec:
containers:
- image: quay.mirrors.ustc.edu.cn/coreos/kube-state-metrics:v1.9.7
livenessProbe:
httpGet:
path: /healthz
port: 8080
initialDelaySeconds: 5
timeoutSeconds: 5
name: kube-state-metrics
ports:
- containerPort: 8080
name: http-metrics
- containerPort: 8081
name: telemetry
readinessProbe:
httpGet:
path: /
port: 8081
initialDelaySeconds: 5
timeoutSeconds: 5
nodeSelector:
beta.kubernetes.io/os: linux
serviceAccountName: kube-state-metrics
4、node-exporter.yaml
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: node-exporter
namespace: monitoring
labels:
k8s-app: node-exporter
spec:
selector:
matchLabels:
k8s-app: node-exporter
template:
metadata:
labels:
k8s-app: node-exporter
spec:
containers:
- image: prom/node-exporter:v1.0.1
name: node-exporter
ports:
- containerPort: 9100
protocol: TCP
name: http
---
apiVersion: v1
kind: Service
metadata:
labels:
k8s-app: node-exporter
name: node-exporter
namespace: monitoring
spec:
ports:
- name: http
port: 9100
nodePort: 31672
protocol: TCP
type: NodePort
selector:
k8s-app: node-exporter
5、sa.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: prometheus
rules:
- apiGroups: [""]
resources:
- nodes
- nodes/proxy
- services
- endpoints
- pods
verbs: ["get", "list", "watch"]
- apiGroups:
- extensions
resources:
- ingresses
verbs: ["get", "list", "watch"]
- nonResourceURLs: ["/metrics"]
verbs: ["get"]
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: prometheus
namespace: monitoring
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: prometheus
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: prometheus
subjects:
- kind: ServiceAccount
name: prometheus
namespace: monitoring
到此Centos7 部署Prometheus（Kubernetes）介绍完成。
以上是关于Centos7 部署Prometheus（Kubernetes）的主要内容，如果未能解决你的问题，请参考以下文章
kubernetes集群全栈监控报警方案kube-prometheus