k8s全方位监控-prometheus-alertmanager部署-配置第一条告警邮件
1、alertmanager告警插件部署
[root@VM_0_48_centos prometheus]# cat alertmanager-pvc.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: alertmanager
namespace: kube-system
labels:
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: EnsureExists
spec:
storageClassName: managed-nfs-storage #必须动态PV，需要改为自己的名字
accessModes:
- ReadWriteOnce
resources:
requests:
[root@VM_0_48_centos prometheus]# cat alertmanager-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: alertmanager
namespace: kube-system
labels:
k8s-app: alertmanager
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
version: v0.14.0
spec:
replicas: 1
selector:
matchLabels:
k8s-app: alertmanager
version: v0.14.0
template:
metadata:
labels:
k8s-app: alertmanager
version: v0.14.0
annotations:
scheduler.alpha.kubernetes.io/critical-pod: ''
spec:
priorityClassName: system-cluster-critical
containers:
- name: prometheus-alertmanager
image: "prom/alertmanager:v0.14.0"
imagePullPolicy: "IfNotPresent"
args:
- --config.file=/etc/config/alertmanager.yml
- --storage.path=/data
- --web.external-url=/
ports:
- containerPort: 9093
readinessProbe:
httpGet:
path: /#/status
port: 9093
initialDelaySeconds: 30
timeoutSeconds: 30
volumeMounts:
- name: config-volume
mountPath: /etc/config
- name: storage-volume
mountPath: "/data"
subPath: ""
resources:
limits:
cpu: 10m
memory: 50Mi
requests:
cpu: 10m
memory: 50Mi
- name: prometheus-alertmanager-configmap-reload
image: "jimmidyson/configmap-reload:v0.1"
imagePullPolicy: "IfNotPresent"
args:
- --volume-dir=/etc/config
- --webhook-url=http://localhost:9093/-/reload
volumeMounts:
- name: config-volume
mountPath: /etc/config
readOnly: true
resources:
limits:
cpu: 10m
memory: 10Mi
requests:
cpu: 10m
memory: 10Mi
volumes:
- name: config-volume
configMap:
name: alertmanager-config
- name: storage-volume
persistentVolumeClaim:
claimName: alertmanager
[root@VM_0_48_centos prometheus]# cat alertmanager-service.yaml
apiVersion: v1
kind: Service
metadata:
name: alertmanager
namespace: kube-system
labels:
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
kubernetes.io/name: "Alertmanager"
spec:
ports:
- name: http
port: 80
protocol: TCP
targetPort: 9093
selector:
k8s-app: alertmanager
type: "ClusterIP"
2、prometheus 查看服务是否正常
查看alertmanager服务是否正常
[root@VM_0_48_centos prometheus]# kubectl get svc -n kube-system
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
alertmanager ClusterIP 10.0.0.176 <none> 80/TCP 46h
3、 prometheus 配置告警规则和调用altermanager
[root@VM_0_48_centos prometheus]# cat prometheus-configmap.yaml
# Prometheus configuration format https://prometheus.io/docs/prometheus/latest/configuration/configuration/
apiVersion: v1
kind: ConfigMap
metadata:
name: prometheus-config
namespace: kube-system
labels:
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: EnsureExists
data:
prometheus.yml: |
scrape_configs:
- job_name: prometheus
static_configs:
- targets:
- localhost:9090 - job_name: kubernetes-apiservers
kubernetes_sd_configs:
- role: endpoints
relabel_configs:
- action: keep
regex: default;kubernetes;https
source_labels:
- __meta_kubernetes_namespace
- __meta_kubernetes_service_name
- __meta_kubernetes_endpoint_port_name
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token - job_name: kubernetes-nodes-kubelet
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token - job_name: kubernetes-nodes-cadvisor
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
- target_label: __metrics_path__
replacement: /metrics/cadvisor
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token - job_name: kubernetes-service-endpoints
kubernetes_sd_configs:
- role: endpoints
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_scrape
- action: replace
regex: (https?)
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_scheme
target_label: __scheme__
- action: replace
regex: (.+)
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_path
target_label: __metrics_path__
- action: replace
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
source_labels:
- __address__
- __meta_kubernetes_service_annotation_prometheus_io_port
target_label: __address__
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: kubernetes_namespace
- action: replace
source_labels:
- __meta_kubernetes_service_name
target_label: kubernetes_name - job_name: kubernetes-services
kubernetes_sd_configs:
- role: service
metrics_path: /probe
params:
module:
- http_2xx
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_probe
- source_labels:
- __address__
target_label: __param_target
- replacement: blackbox
target_label: __address__
- source_labels:
- __param_target
target_label: instance
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- source_labels:
- __meta_kubernetes_namespace
target_label: kubernetes_namespace
- source_labels:
- __meta_kubernetes_service_name
target_label: kubernetes_name - job_name: kubernetes-pods
kubernetes_sd_configs:
- role: pod
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_scrape
- action: replace
regex: (.+)
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_path
target_label: __metrics_path__
- action: replace
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
source_labels:
- __address__
- __meta_kubernetes_pod_annotation_prometheus_io_port
target_label: __address__
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: kubernetes_namespace
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: kubernetes_pod_name
alerting:
alertmanagers:
- static_configs:
- targets: ["alertmanager:80"] ####需要修改alertmanger服务名字，集群内部通过服务名调用
4、配置告警规则-创建告警规则的configmap
[root@VM_0_48_centos prometheus]# cat prometheus-rules.yaml
# Prometheus configuration format https://prometheus.io/docs/prometheus/latest/configuration/configuration/
apiVersion: v1
kind: ConfigMap
metadata:
name: prometheus-rules-config
namespace: kube-system
labels:
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: EnsureExists
data:
rules.yml: |
groups:
- name: node
rules:
- alert: memory_use
expr: 100-(node_memory_MemFree_bytes+node_memory_Cached_bytes+node_memory_Buffers_bytes)/node_memory_MemTotal_bytes*100 >= 90
for: 10s
annotations:
summary: "机器 {{ $labels.instance }} 内存使用的率超过90%" expr: 100-(node_memory_MemFree_bytes+node_memory_Cached_bytes+node_memory_Buffers_bytes)/node_memory_MemTotal_bytes*100 >= 80
for: 10s
annotations:
summary: "机器 {{ $labels.instance }} 内存使用的率超过80%"
5、配置告警规则-将告警规则挂载到promethues中
[root@VM_0_48_centos prometheus]# cat prometheus-statefulset.yaml
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: prometheus
namespace: kube-system
labels:
k8s-app: prometheus
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
version: v2.2.1
spec:
serviceName: "prometheus"
replicas: 1
podManagementPolicy: "Parallel"
updateStrategy:
type: "RollingUpdate"
selector:
matchLabels:
k8s-app: prometheus
template:
metadata:
labels:
k8s-app: prometheus
annotations:
scheduler.alpha.kubernetes.io/critical-pod: ''
spec:
priorityClassName: system-cluster-critical
serviceAccountName: prometheus
initContainers:
- name: "init-chown-data"
image: "busybox:latest"
imagePullPolicy: "IfNotPresent"
command: ["chown", "-R", "65534:65534", "/data"]
volumeMounts:
- name: prometheus-data
mountPath: /data
subPath: ""
containers:
- name: prometheus-server-configmap-reload
image: "jimmidyson/configmap-reload:v0.1"
imagePullPolicy: "IfNotPresent"
args:
- --volume-dir=/etc/config
- --webhook-url=http://localhost:9090/-/reload
volumeMounts:
- name: config-volume
mountPath: /etc/config
readOnly: true
resources:
limits:
cpu: 10m
memory: 10Mi
requests:
cpu: 10m
memory: 10Mi - name: prometheus-server
image: "prom/prometheus:v2.2.1"
imagePullPolicy: "IfNotPresent"
args:
- --config.file=/etc/config/prometheus.yml
- --storage.tsdb.path=/data
- --web.console.libraries=/etc/prometheus/console_libraries
- --web.console.templates=/etc/prometheus/consoles
- --web.enable-lifecycle
ports:
- containerPort: 9090
readinessProbe:
httpGet:
path: /-/ready
port: 9090
initialDelaySeconds: 30
timeoutSeconds: 30
livenessProbe:
httpGet:
path: /-/healthy
port: 9090
initialDelaySeconds: 30
timeoutSeconds: 30
# based on 10 running nodes with 30 pods each
resources:
limits:
cpu: 200m
memory: 1000Mi
requests:
cpu: 200m
memory: 1000Mi volumeMounts:
- name: config-volume
mountPath: /etc/config
- name: prometheus-data
mountPath: /data
subPath: ""
- name: rules-volume
mountPath: /etc/config/alert_rules
terminationGracePeriodSeconds: 300
volumes:
- name: config-volume
configMap:
name: prometheus-config
- name: rules-volume
configMap:
name: prometheus-rules-config ####挂载规则到服务目录下
- name: prometheus-data
persistentVolumeClaim:
claimName: prometheus-claim
6、配置告警规则 配置 prometheus启用告警规则
[root@VM_0_48_centos prometheus]# cat prometheus-configmap.yaml
# Prometheus configuration format https://prometheus.io/docs/prometheus/latest/configuration/configuration/
apiVersion: v1
kind: ConfigMap
metadata:
name: prometheus-config
namespace: kube-system
labels:
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: EnsureExists
data:
prometheus.yml: |
scrape_configs:
- job_name: prometheus
static_configs:
- targets:
- localhost:9090
- job_name: node
static_configs:
- targets:
- 172.19.0.48:9100
- 172.19.0.14:9100
- 172.19.0.9:9100
- 172.19.0.2:9100 - job_name: kubernetes-apiservers
kubernetes_sd_configs:
- role: endpoints
relabel_configs:
- action: keep
regex: default;kubernetes;https
source_labels:
- __meta_kubernetes_namespace
- __meta_kubernetes_service_name
- __meta_kubernetes_endpoint_port_name
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token - job_name: kubernetes-nodes-kubelet
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token - job_name: kubernetes-nodes-cadvisor
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
- target_label: __metrics_path__
replacement: /metrics/cadvisor
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token - job_name: kubernetes-service-endpoints
kubernetes_sd_configs:
- role: endpoints
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_scrape
- action: replace
regex: (https?)
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_scheme
target_label: __scheme__
- action: replace
regex: (.+)
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_path
target_label: __metrics_path__
- action: replace
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
source_labels:
- __address__
- __meta_kubernetes_service_annotation_prometheus_io_port
target_label: __address__
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: kubernetes_namespace
- action: replace
source_labels:
- __meta_kubernetes_service_name
target_label: kubernetes_name - job_name: kubernetes-services
kubernetes_sd_configs:
- role: service
metrics_path: /probe
params:
module:
- http_2xx
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_probe
- source_labels:
- __address__
target_label: __param_target
- replacement: blackbox
target_label: __address__
- source_labels:
- __param_target
target_label: instance
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- source_labels:
- __meta_kubernetes_namespace
target_label: kubernetes_namespace
- source_labels:
- __meta_kubernetes_service_name
target_label: kubernetes_name - job_name: kubernetes-pods
kubernetes_sd_configs:
- role: pod
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_scrape
- action: replace
regex: (.+)
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_path
target_label: __metrics_path__
- action: replace
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
source_labels:
- __address__
- __meta_kubernetes_pod_annotation_prometheus_io_port
target_label: __address__
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: kubernetes_namespace
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: kubernetes_pod_name
alerting:
alertmanagers:
- static_configs:
- targets: ["alertmanager:80"]
rule_files:
- "/etc/config/alert_rules/*.yml" ####启用挂载的规则文件
5、配置告警媒介
[root@VM_0_48_centos prometheus]# cat alertmanager-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: alertmanager-config
namespace: kube-system
labels:
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: EnsureExists
data:
alertmanager.yml: |
global:
resolve_timeout: 5m
smtp_smarthost: 'smtp.163.com:25'
smtp_from: 'xjq18125012766@163.com'
smtp_auth_username: '********@163.com'
smtp_auth_password: '*******'
smtp_require_tls: false route:
group_by: ['alertname']
group_wait: 10s
group_interval: 30s
repeat_interval: 10s
receiver: 'mail' receivers:
- name: 'mail'
email_configs:
- to: '2654071080@qq.com'
6、告警结果展示
k8s全方位监控-prometheus-alertmanager部署-配置第一条告警邮件的更多相关文章
- k8s全方位监控-prometheus部署
1.k8s 监控资源对象 2. prometheus简单介绍. https://github.com/prometheus •多维数据模型:由度量名称和键值对标识的时间序列数据•PromSQL:一种灵 ...
- k8s全方位监控 -prometheus实现短信告警接口编写（python）
1.prometheus短信告警接口实现(python)源码如下: import subprocess from flask import Flask from flask import reques ...
- k8s全方位监控中-常用rules配置
[root@VM_0_48_centos prometheus]# cat alertmanager-configmap.yaml apiVersion: v1 kind: ConfigMap met ...
- Alertmanager 部署配置
目录 前言 源码安装 配置 启动 配置prometheus监控Alertmanager 修改prometheus配置 重新加载配置文件 配置测试告警 修改prometheus配置 重新加载配置文件 测 ...
- Longhorn，企业级云原生容器分布式存储 - 监控(Prometheus+AlertManager+Grafana)
内容来源于官方 Longhorn 1.1.2 英文技术手册. 系列 Longhorn 是什么? Longhorn 企业级云原生容器分布式存储解决方案设计架构和概念 Longhorn 企业级云原生容器分 ...
- k8s全方位监控-prometheus-配置文件介绍以及基于文件服务发现
1.scrape_configs 参数介绍 # 默认的全局配置 global: scrape_interval: 15s # 采集间隔15s,默认为1min一次 evaluation_interval ...
- 容器编排系统K8s之Prometheus监控系统+Grafana部署
前文我们聊到了k8s的apiservice资源结合自定义apiserver扩展原生apiserver功能的相关话题,回顾请参考:https://www.cnblogs.com/qiuhom-1874/ ...
- K8S(13)监控实战-部署prometheus
k8s监控实战-部署prometheus 目录 k8s监控实战-部署prometheus 1 prometheus前言相关 1.1 Prometheus的特点 1.2 基本原理 1.2.1 原理说明 ...
- 【集群监控】Docker上部署Prometheus+Alertmanager+Grafana实现集群监控
Docker部署 下载 sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.re ...
随机推荐
- MySQL单表查询(分组-筛选-过滤-去重-排序）
目录 一:单表查询 1.单表查询(前期准备) 2.插入记录(写入数据) 3.查询关键字 二:查询关键字之where 1.查询id大于等于3小于等于6的数据 2.查询薪资是20000或者18000或者1 ...
- JavaScripts之柯里化与偏函数
参考资料:https://github.com/mqyqingfeng/Blog/issues/42 柯里化(Currying): 定义:柯里化是表示将某个多参数的函数转换为一系列只有一个参数的函数的 ...
- Vue.js的指令、生命周期钩子与数据选项
vue.js官网:https://cn.vuejs.org/v2/guide/components-registration.html 一.常用指令 v-if ... v-else: 作用:控制元素是 ...
- 「NOI十联测」奥义商店
「NOI十联测」奥义商店 若lzz想花费最少的钱,那么显然要选择数目较少的颜色. 先考虑暴力的写法. 每次向两边统计,每个物品要求被买的概率可以由上一个物品推出. now=1;//now 被买概率 M ...
- 普通web项目一直无法访问页面，直接报404
错误:普通web项目一直无法访问页面,直接报404 原因:写了一个过滤乱码的类: 而在类上加了WebServlet注解,其实应该是WebFilter注解, 总结:基础不扎实,有些东西只会用,而不知道原 ...
- java多线程编程(二)
1. wait 和 sleep 区别? 1.wait可以指定时间也可以不指定,sleep必须指定时间. 2.在同步中时,对cpu的执行权和锁的处理不同. wait:释放执行权,释放锁. sleep ...
- 简单实现UITableView索引功能(中英文首字母索引)(一) ByH罗
UITableView索引功能是常见的,主要是获取中英文的首字母并排序,系统自带获取首字母 //系统获取首字母 - (NSString *) pinyinFirstLetter:(NSString*) ...
- Lvs+Keepalived+MySQL Cluster架设高可用负载均衡Mysql集群
------------------------------------- 一.前言 二.MySQL Cluster基本概念 三.环境 四.配置 1.LB-Master及LB-Backup配置 2.M ...
- Net6 DI源码分析Part3 CallSiteRuntimeResolver,CallSiteVisitor
CallSiteRuntimeResolver CallSiteRuntimeResolver是实现了CallSiteVisitor之一. 提供的方法主要分三个部分 自有成员方法 Resolve提供服 ...
- HMS Core 能力速配，唱响恋爱进行曲
情人节,HMS Core 最具CP感的能力搭档来袭,浓浓爱意,表白各行业,你准备好了吗? 1.ML Kit +Signpal Kit 科技相助,恋爱提速.展现爱意的方式有千百种,你可以用文本翻译学习数 ...