k8s部署prometheus第一版
帅大大的架构之路
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k8s部署prometheus
1.下载prometheus文件
cd /soft/src
git clone -b release-0.5 --single-branch https://github.com/coreos/kube-prometheus.git
2.部署
这里部署之前最好改一下alertmanager-alertmanager.yaml这个文件，将replicas:改成2或者3，当为1的时候，后面可能会有点问题
cd kube-prometheus/manifests/setup
kubectl create -f .
cd ..
kubectl create -f .
3.查看
kubectl get all -n monitoring
4.通过ingress-nginx去暴露三个服务
部署ingress-nginx
cd /root/k8s/yaml
mkdir ingress-nginx
cd ingress-nginx
ingress-nginx.yaml
apiVersion: v1
kind: Namespace
metadata:
labels:
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
name: ingress-nginx
---
apiVersion: v1
automountServiceAccountToken: true
kind: ServiceAccount
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx
namespace: ingress-nginx
---
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission
namespace: ingress-nginx
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
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:
- networking.k8s.io
resources:
- ingresses
verbs:
- get
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- ingresses/status
verbs:
- update
- apiGroups:
- networking.k8s.io
resources:
- ingressclasses
verbs:
- get
- list
- watch
- apiGroups:
- ""
resourceNames:
- ingress-controller-leader
resources:
- configmaps
verbs:
- get
- update
- apiGroups:
- ""
resources:
- configmaps
verbs:
- create
- apiGroups:
- coordination.k8s.io
resourceNames:
- ingress-controller-leader
resources:
- leases
verbs:
- get
- update
- apiGroups:
- coordination.k8s.io
resources:
- leases
verbs:
- create
- apiGroups:
- ""
resources:
- events
verbs:
- create
- patch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission
namespace: ingress-nginx
rules:
- apiGroups:
- ""
resources:
- secrets
verbs:
- get
- create
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx
rules:
- apiGroups:
- ""
resources:
- configmaps
- endpoints
- nodes
- pods
- secrets
- namespaces
verbs:
- list
- watch
- apiGroups:
- coordination.k8s.io
resources:
- leases
verbs:
- list
- watch
- apiGroups:
- ""
resources:
- nodes
verbs:
- get
- apiGroups:
- ""
resources:
- services
verbs:
- get
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- ingresses
verbs:
- get
- list
- watch
- apiGroups:
- ""
resources:
- events
verbs:
- create
- patch
- apiGroups:
- networking.k8s.io
resources:
- ingresses/status
verbs:
- update
- apiGroups:
- networking.k8s.io
resources:
- ingressclasses
verbs:
- get
- list
- watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission
rules:
- apiGroups:
- admissionregistration.k8s.io
resources:
- validatingwebhookconfigurations
verbs:
- get
- update
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
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
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission
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
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: ingress-nginx
subjects:
- kind: ServiceAccount
name: ingress-nginx
namespace: ingress-nginx
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: ingress-nginx-admission
subjects:
- kind: ServiceAccount
name: ingress-nginx-admission
namespace: ingress-nginx
---
apiVersion: v1
data:
allow-snippet-annotations: "true"
kind: ConfigMap
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-controller
namespace: ingress-nginx
---
apiVersion: v1
kind: Service
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-controller
namespace: ingress-nginx
spec:
ipFamilies:
- IPv4
ipFamilyPolicy: SingleStack
ports:
- appProtocol: http
name: http
port: 80
protocol: TCP
targetPort: http
- appProtocol: https
name: https
port: 443
protocol: TCP
targetPort: https
selector:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
type: NodePort
---
apiVersion: v1
kind: Service
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-controller-admission
namespace: ingress-nginx
spec:
ports:
- appProtocol: https
name: https-webhook
port: 443
targetPort: webhook
selector:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
type: ClusterIP
---
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-controller
namespace: ingress-nginx
spec:
minReadySeconds: 0
revisionHistoryLimit: 10
selector:
matchLabels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
template:
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
spec:
hostNetwork: true
containers:
- args:
- /nginx-ingress-controller
- --election-id=ingress-controller-leader
- --controller-class=k8s.io/ingress-nginx
- --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
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
image: dyrnq/ingress-nginx-controller:v1.3.1
imagePullPolicy: IfNotPresent
lifecycle:
preStop:
exec:
command:
- /wait-shutdown
livenessProbe:
failureThreshold: 5
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
name: controller
ports:
- containerPort: 80
name: http
protocol: TCP
- containerPort: 443
name: https
protocol: TCP
- containerPort: 8443
name: webhook
protocol: TCP
readinessProbe:
failureThreshold: 3
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
resources:
requests:
cpu: 100m
memory: 90Mi
securityContext:
allowPrivilegeEscalation: true
capabilities:
add:
- NET_BIND_SERVICE
drop:
- ALL
runAsUser: 101
volumeMounts:
- mountPath: /usr/local/certificates/
name: webhook-cert
readOnly: true
dnsPolicy: ClusterFirst
nodeSelector:
kubernetes.io/os: linux
serviceAccountName: ingress-nginx
terminationGracePeriodSeconds: 300
volumes:
- name: webhook-cert
secret:
secretName: ingress-nginx-admission
---
apiVersion: batch/v1
kind: Job
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission-create
namespace: ingress-nginx
spec:
template:
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission-create
spec:
containers:
- args:
- create
- --host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc
- --namespace=$(POD_NAMESPACE)
- --secret-name=ingress-nginx-admission
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
image: dyrnq/kube-webhook-certgen:v1.3.0
imagePullPolicy: IfNotPresent
name: create
securityContext:
allowPrivilegeEscalation: false
nodeSelector:
kubernetes.io/os: linux
restartPolicy: OnFailure
securityContext:
fsGroup: 2000
runAsNonRoot: true
runAsUser: 2000
serviceAccountName: ingress-nginx-admission
---
apiVersion: batch/v1
kind: Job
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission-patch
namespace: ingress-nginx
spec:
template:
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission-patch
spec:
containers:
- args:
- patch
- --webhook-name=ingress-nginx-admission
- --namespace=$(POD_NAMESPACE)
- --patch-mutating=false
- --secret-name=ingress-nginx-admission
- --patch-failure-policy=Fail
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
image: dyrnq/kube-webhook-certgen:v1.3.0
imagePullPolicy: IfNotPresent
name: patch
securityContext:
allowPrivilegeEscalation: false
nodeSelector:
kubernetes.io/os: linux
restartPolicy: OnFailure
securityContext:
fsGroup: 2000
runAsNonRoot: true
runAsUser: 2000
serviceAccountName: ingress-nginx-admission
---
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:
labels:
app.kubernetes.io/component: controller
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: nginx
spec:
controller: k8s.io/ingress-nginx
---
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
labels:
app.kubernetes.io/component: admission-webhook
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/part-of: ingress-nginx
app.kubernetes.io/version: 1.3.1
name: ingress-nginx-admission
webhooks:
- admissionReviewVersions:
- v1
clientConfig:
service:
name: ingress-nginx-controller-admission
namespace: ingress-nginx
path: /networking/v1/ingresses
failurePolicy: Fail
matchPolicy: Equivalent
name: validate.nginx.ingress.kubernetes.io
rules:
- apiGroups:
- networking.k8s.io
apiVersions:
- v1
operations:
- CREATE
- UPDATE
resources:
- ingresses
sideEffects: None
创建ingress-nginx
kubectl create -f ingress-nginx.yaml
查看
kubectl get all -n ingress-nginx
5.部署ingress代理三个service到公网
domain.yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: grafana
namespace: monitoring
spec:
ingressClassName: nginx
rules:
- host: grafana.zhubaoyi.com
http:
paths:
- path: /
pathType: Prefix
backend:
service:
name: grafana
port:
number: 3000
- host: prometheus.zhubaoyi.com
http:
paths:
- path: /
pathType: Prefix
backend:
service:
name: prometheus-k8s
port:
number: 9090
- host: alertmanager.zhubaoyi.com
http:
paths:
- path: /
pathType: Prefix
backend:
service:
name: alertmanager-main
port:
number: 9093
创建
kubectl create -f domain.yaml
查看
[root@worker1 prometheus]# kubectl get ingress -n monitoring
NAME CLASS HOSTS ADDRESS PORTS AGE
grafana nginx grafana.zhubaoyi.com,prometheus.zhubaoyi.com,alertmanager.zhubaoyi.com 11.20.28.59 80 3m47s
然后通过浏览器就可以正常访问三个服务了，接下来就是慢慢使用配置了
prometheus监控基础服务和业务
1.k8s监控服务的大概流程
提供对应服务的metrics接口->创建对应的endpoint（k8s集群内可直接与之通信）->创建对应的service->创建对应的ServiceMonitor->prometheus就可以自动创建对应的target监控
监控具体分为两种，一种是本身提供metrics接口的服务，这种服务直接创建后续的几个服务就可以监控其提供的对应的指标，另一种是没有提供metrics接口的服务，这种服务需要先部署对应的exporter，进而exporter会暴露响应的metrics，通常类似于mysql、redis这些服务都有一些现成的exporter，或是官方的或是社区的，拿来就可以直接用，但对于公司具体的业务，则需要开发人员去提供metrics指标，以此做监控
2.没有metrics接口的监控（kafka）
a.安装kafka
这一步就直接省略，具体可以看前一章部署k8s收集日志那篇[https://blog.csdn.net/ss810540895/article/details/128476758?spm=1001.2014.3001.5501]
b.部署kafka-exporter-deploy、kafka-service-exporter、kafka-servicemonitor
kafka-deploy-exporter.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
annotations:
deployment.kubernetes.io/revision: "1"
creationTimestamp: "2020-05-12T14:00:40Z"
generation: 1
labels:
app: kafka-exporter
name: kafka-exporter
namespace: monitoring
resourceVersion: "11300398"
selfLink: /apis/apps/v1/namespaces/monitoring/deployments/kafka-exporter
uid: 7a9471de-cf8f-4622-884b-130d2505d6ec
spec:
progressDeadlineSeconds: 600
replicas: 1
revisionHistoryLimit: 10
selector:
matchLabels:
app: kafka-exporter
strategy:
rollingUpdate:
maxSurge: 1
maxUnavailable: 0
type: RollingUpdate
template:
metadata:
creationTimestamp: null
labels:
app: kafka-exporter
spec:
containers:
- args:
- --kafka.server=192.168.255.96:9092
env:
- name: TZ
value: Asia/Shanghai
- name: LANG
value: C.UTF-8
image: danielqsj/kafka-exporter:latest
imagePullPolicy: IfNotPresent
lifecycle: {}
name: kafka-exporter
ports:
- containerPort: 9308
name: web
protocol: TCP
resources:
limits:
cpu: 249m
memory: 318Mi
requests:
cpu: 10m
memory: 10Mi
securityContext:
allowPrivilegeEscalation: false
privileged: false
readOnlyRootFilesystem: false
runAsNonRoot: false
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /usr/share/zoneinfo/Asia/Shanghai
name: tz-config
- mountPath: /etc/localtime
name: tz-config
- mountPath: /etc/timezone
name: timezone
dnsPolicy: ClusterFirst
restartPolicy: Always
schedulerName: default-scheduler
securityContext: {}
terminationGracePeriodSeconds: 30
volumes:
- hostPath:
path: /usr/share/zoneinfo/Asia/Shanghai
type: ""
name: tz-config
- hostPath:
path: /etc/timezone
type: ""
name: timezone
kafka-service-exporter.yaml
apiVersion: v1
kind: Service
metadata:
creationTimestamp: "2020-05-12T14:00:39Z"
labels:
app: kafka-exporter
name: kafka-exporter
namespace: monitoring
resourceVersion: "11300354"
selfLink: /api/v1/namespaces/monitoring/services/kafka-exporter
uid: e5967e11-4c96-4daf-ac98-429f430229ab
spec:
clusterIP:
ports:
- name: container-1-web-1
port: 9308
protocol: TCP
targetPort: 9308
selector:
app: kafka-exporter
sessionAffinity: None
type: ClusterIP
kafka-servicemonitor.yaml
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
labels:
k8s-app: kafka-exporter
name: kafka-exporter
namespace: monitoring
spec:
endpoints:
- interval: 30s
port: container-1-web-1
namespaceSelector:
matchNames:
- monitoring
selector:
matchLabels:
app: kafka-exporter
3.查看prometheus的target
可以看到已经有了
查看对应的指标
4.grafana添加dashboard
我这边添加dashboard后无法查看到数据，发现我这个dashboard监控的语法规则和prometheus查到的一些指标不匹配，
具体的大家可以去根据需要，编写对应的指标查询规则
部署黑盒监控
所需资源
[root@worker1 blackbox_exporter]# ll
total 20
-rw-r--r-- 1 root root 755 Dec 31 13:15 additional-scrape-configs.yaml
-rw-r--r-- 1 root root 917 Dec 31 11:13 blackbox_exporter_cm.yaml
-rw-r--r-- 1 root root 2315 Dec 31 11:15 blackbox_exporter_deploy.yaml
-rw-r--r-- 1 root root 491 Dec 31 11:16 blackbox_exporter_service.yaml
-rw-r--r-- 1 root root 465 Dec 31 13:13 prometheus-additional.yaml
1.创建secret
prometheus-additional.yaml
- job_name: 'blackbox'
metrics_path: /probe
params:
module: [http_2xx] # Look for a HTTP 200 response.
static_configs:
- targets:
- https://www.百度.com/
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- source_labels: [instance]
target_label: target
- target_label: __address__
replacement: blackbox-exporter:9115
kubectl create secret generic additional-scrape-configs --from-file=prometheus-additional.yaml --dry-run -oyaml > additional-scrape-configs.yaml
kubectl create -f additional-scrape-configs.yaml -n monitoring
2.修改prometheus的crd
cd /soft/src/kube-prometheus/manifests/
vim prometheus-prometheus.yaml
在最后添加下面几行
additionalScrapeConfigs:
name: additional-scrape-configs
key: prometheus-additional.yaml
然后应用
kubectl replace -f prometheus-prometheus.yaml -n monitoring
3.创建configmap、deploy、service
blackbox_exporter_cm.yaml
apiVersion: v1
data:
blackbox.yml: |-
modules:
http_2xx:
prober: http
http_post_2xx:
prober: http
http:
method: POST
tcp_connect:
prober: tcp
pop3s_banner:
prober: tcp
tcp:
query_response:
- expect: "^ OK"
tls: true
tls_config:
insecure_skip_verify: false
ssh_banner:
prober: tcp
tcp:
query_response:
- expect: "^SSH-2.0-"
irc_banner:
prober: tcp
tcp:
query_response:
- send: "NICK prober"
- send: "USER prober prober prober :prober"
- expect: "PING :([^ ] )"
send: "PONG ${1}"
- expect: "^:[^ ] 001"
icmp:
prober: icmp
kind: ConfigMap
metadata:
creationTimestamp: "2020-05-13T13:44:52Z"
name: blackbox-conf
namespace: monitoring
blackbox_exporter_deploy.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
annotations:
deployment.kubernetes.io/revision: "1"
creationTimestamp: "2020-05-13T13:46:29Z"
generation: 1
labels:
app: blackbox-exporter
name: blackbox-exporter
namespace: monitoring
resourceVersion: "11572499"
selfLink: /apis/apps/v1/namespaces/monitoring/deployments/blackbox-exporter
uid: 2c192340-3be1-49db-945f-01a3f1c20576
spec:
progressDeadlineSeconds: 600
replicas: 1
revisionHistoryLimit: 10
selector:
matchLabels:
app: blackbox-exporter
strategy:
rollingUpdate:
maxSurge: 1
maxUnavailable: 0
type: RollingUpdate
template:
metadata:
creationTimestamp: null
labels:
app: blackbox-exporter
spec:
containers:
- args:
- --config.file=/mnt/blackbox.yml
env:
- name: TZ
value: Asia/Shanghai
- name: LANG
value: C.UTF-8
image: prom/blackbox-exporter:master
imagePullPolicy: IfNotPresent
lifecycle: {}
name: blackbox-exporter
ports:
- containerPort: 9115
name: web
protocol: TCP
resources:
limits:
cpu: 324m
memory: 443Mi
requests:
cpu: 10m
memory: 10Mi
securityContext:
allowPrivilegeEscalation: false
privileged: false
readOnlyRootFilesystem: false
runAsNonRoot: false
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /usr/share/zoneinfo/Asia/Shanghai
name: tz-config
- mountPath: /etc/localtime
name: tz-config
- mountPath: /etc/timezone
name: timezone
- mountPath: /mnt
name: config
dnsPolicy: ClusterFirst
restartPolicy: Always
schedulerName: default-scheduler
securityContext: {}
terminationGracePeriodSeconds: 30
volumes:
- hostPath:
path: /usr/share/zoneinfo/Asia/Shanghai
type: ""
name: tz-config
- hostPath:
path: /etc/timezone
type: ""
name: timezone
- configMap:
defaultMode: 420
name: blackbox-conf
name: config
blackbox_exporter_service.yaml
apiVersion: v1
kind: Service
metadata:
creationTimestamp: "2020-05-13T13:46:29Z"
labels:
app: blackbox-exporter
name: blackbox-exporter
namespace: monitoring
resourceVersion: "11572454"
selfLink: /api/v1/namespaces/monitoring/services/blackbox-exporter
uid: 3c5f01eb-b331-4455-956a-9c9a331f2906
spec:
ports:
- name: container-1-web-1
port: 9115
protocol: TCP
targetPort: 9115
selector:
app: blackbox-exporter
sessionAffinity: None
type: ClusterIP
然后应用
kubectl create -f blackbox_exporter_cm.yaml
kubectl create -f blackbox_exporter_deploy.yaml
kubectl create -f blackbox_exporter_service.yaml
4.prometheus查看
可以看到对应的指标
target这边也可以看到了
5.添加对应的grafana
最后还差一个自动发现的没写，后续加上去
添加邮件告警
1.修改alertmanager-secret.yaml
alertmanager-secret.yaml
apiVersion: v1
kind: Secret
metadata:
name: alertmanager-main
namespace: monitoring
stringData:
alertmanager.yaml: |-
"global":
"resolve_timeout": "5m"
smtp_from: "8100895@qq.com"
smtp_smarthost: "smtp.qq.com:465"
smtp_hello: "163.com"
smtp_auth_username: "8100895@qq.com"
smtp_auth_password: "bydkomubmbejf"
smtp_require_tls: false
# wechat
# wechat_api_url: 'https://qyapi.weixin.qq.com/cgi-bin/'
# wechat_api_secret: 'ZZQt0Ue9mtplH9u1g8PhxR_RxEnRu512CQtmBn6R2x0'
# wechat_api_corp_id: 'wwef86a30130f04f2b'
"inhibit_rules":
- "equal":
- "namespace"
- "alertname"
"source_match":
"severity": "critical"
"target_match_re":
"severity": "warning|info"
- "equal":
- "namespace"
- "alertname"
"source_match":
"severity": "warning"
"target_match_re":
"severity": "info"
"receivers":
- "name": "Default"
"email_configs":
- to: "8100895@qq.com"
send_resolved: true
# - "name": "Watchdog"
# "email_configs":
# - to: "kubernetes_guide@163.com"
# send_resolved: true
# - "name": "Critical"
# "email_configs":
# - to: "kubernetes_guide@163.com"
# send_resolved: true
# - name: 'wechat'
# wechat_configs:
# - send_resolved: true
# to_tag: '1'
# agent_id: '1000003'
# - "name": "Default"
# - "name": "Watchdog"
# - "name": "Critical"
"route":
"group_by":
- "namespace"
"group_interval": "5m"
"group_wait": "30s"
"receiver": "Default"
"repeat_interval": "12h"
"routes":
- "match":
"alertname": "Watchdog"
"receiver": "Watchdog"
- "match":
"severity": "critical"
"receiver": "Critical"
type: Opaque
kubectl delete -f alertmanager-secret.yaml
kubectl create -f alertmanager-secret.yaml
2.然后就会收到告警了
其他的上面部署prometheus的时候都已经部署好了
不过这个告警界面比较丑，后面可以自定义一下告警模板
告警模板、自动发现以及业务监控后续再加上
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