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kubernetes 性能與監(jiān)控 部署Dashboard 部署Prometheus grafana安裝

2023-02-19 11:49 作者:bili_39183997178  | 我要投稿

部署metrics-server

開啟apiserver聚合服務(wù)

[root@master ~]# vim /etc/kubernetes/manifests/kube-apiserver.yaml# spec.containers.command 最下面手動添加如下一行 ? ?- --enable-aggregator-routing=true[root@master ~]# systemctl restart kubelet[root@master ~]# kubectl -n kube-system get pod kube-apiserver-master -o yaml |grep enable-aggregator-routing ? ?- --enable-aggregator-routing=true

證書的申請與簽發(fā)

要在所有節(jié)點執(zhí)行（master，node-0001，node-0002，node-0003）

申請的多余證書可以使用 （kubectl delete certificatesigningrequests 證書名稱） 刪除

[root@node-0001 ~]# vim /var/lib/kubelet/config.yaml

# 在文件的最后一行添加

serverTLSBootstrap: true

[root@node-0001 ~]# systemctl restart kubelet

#-------------------------簽發(fā)證書必須在 master 上執(zhí)行 ------------------------------------

[root@master ~]# kubectl get certificatesigningrequests

NAME? ? ? ? AGE? ?REQUESTOR? ? ? ? ? ? CONDITION

csr-wsfz7? ?8s? ? system:node:master? ?Pending

[root@master ~]# kubectl certificate approve csr-wsfz7

[root@master ~]# kubectl get certificatesigningrequests

NAME? ? ? ? AGE? ?REQUESTOR? ? ? ? ? ? CONDITION

csr-wsfz7? ?86s? ?system:node:master? ?Approved,Issued

安裝mertics插件


[root@master metrics]# docker load -i metrisc-server.tar.gz

[root@master metrics]# docker tag gcr.io/k8s-staging-metrics-server/metrics-server:master 192.168.1.100:5000/metrics-server:master

[root@master metrics]# docker push 192.168.1.100:5000/metrics-server:master

[root@master metrics]# vim deployment.yaml

29： image: 192.168.1.100:5000/metrics-server:master

[root@master metrics]# kubectl apply -f rbac.yaml

[root@master metrics]# kubectl apply -f pdb.yaml

[root@master metrics]# kubectl apply -f deployment.yaml

[root@master metrics]# kubectl apply -f service.yaml

[root@master metrics]# kubectl apply -f apiservice.yaml

#-------------------------------- 查詢驗證 ----------------------------------------------

[root@master metrics]# kubectl -n kube-system get pod

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? READY? ?STATUS? ? RESTARTS? ?AGE

metrics-server-78dfb54777-4dcjl? ?1/1? ? ?Running? ?0? ? ? ? ? 116s

[root@master metrics]# kubectl -n kube-system get apiservices

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?SERVICE? ? ? ? ? ? ? ? ? ? ? AVAILABLE? ?AGE

v1beta1.metrics.k8s.io? ? ? ? ? ? ? ? ?kube-system/metrics-server? ?True? ? ? ? 2m20s

[root@master metrics]# kubectl top node

NAME? ? ? ? CPU(cores)? ?CPU%? ?MEMORY(bytes)? ?MEMORY%? ?

master? ? ? 95m? ? ? ? ? 4%? ? ?840Mi? ? ? ? ? ?48%? ? ? ?

node-0001? ?24m? ? ? ? ? 1%? ? ?266Mi? ? ? ? ? ?15%? ? ? ?

node-0002? ?24m? ? ? ? ? 1%? ? ?270Mi? ? ? ? ? ?15%? ? ? ?

node-0003? ?26m? ? ? ? ? 1%? ? ?280Mi? ? ? ? ? ?16%? ?

監(jiān)控容器資源利用率

[root@master ~]# kubectl apply -f myapache.yaml?

deployment.apps/myapache created

[root@master ~]# kubectl top pod

error: metrics not available yet

# 等待大約 30 秒

[root@master ~]# kubectl top pod

NAME? ? ? ? ? ? ? ? ? ? ? ?CPU(cores)? ?MEMORY(bytes)? ?

myapache-7d689bf8f-lfr5h? ?0m? ? ? ? ? ?0Mi? ?

[root@master ~]# curl http://10.244.2.17/info.php?id=5000000

<pre>

Array

(

? ? [REMOTE_ADDR] => 10.244.0.0

? ? [REQUEST_METHOD] => GET

? ? [HTTP_USER_AGENT] => curl/7.29.0

? ? [REQUEST_URI] => /info.php?id=5000000

? ? [id] => 5000000

)

php_host: myapache-7d689bf8f-lfr5h

[root@master ~]# kubectl top pod

NAME? ? ? ? ? ? ? ? ? ? ? ?CPU(cores)? ?MEMORY(bytes)? ?

myapache-7d689bf8f-w4rtt? ?1000m? ? ? ? 8Mi??



安裝發(fā)布服務(wù)

[root@master dashboard]# vim recommended.yaml

? ? ? ? ? # 190 行修改為

? ? ? ? ? image: 192.168.1.100:5000/dashboard:v2.0.0

? ? ? ? ? # 274 行修改為

? ? ? ? ? image: 192.168.1.100:5000/metrics-scraper:v1.0.4

[root@master dashboard]# kubectl apply -f recommended.yaml

# ---------------------------------- 查詢驗證 --------------------------------------

[root@master dashboard]# kubectl -n kubernetes-dashboard get pod

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?READY? ?STATUS? ? RESTARTS? ?AGE

dashboard-metrics-scraper-57bf85fcc9-vsz74? ?1/1? ? ?Running? ?0? ? ? ? ? 52s

kubernetes-dashboard-7b7f78bcf9-5k8vq? ? ? ? 1/1? ? ?Running? ?0? ? ? ? ? 52s

[root@master dashboard]# kubectl -n kubernetes-dashboard get service

NAME? ? ? ? ? ? ? ? ? ? ? ? TYPE? ? ? ? CLUSTER-IP? ? ? ?EXTERNAL-IP? ?PORT(S)

dashboard-metrics-scraper? ?ClusterIP? ?10.254.76.85? ? ?<none>? ? ? ? 8000/TCP

kubernetes-dashboard? ? ? ? ClusterIP? ?10.254.211.125? ?<none>? ? ? ? 443/TCP

# ---------------------------------- 對外發(fā)布服務(wù) -----------------------------------

[root@master dashboard]# vim service.yaml

---

kind: Service

apiVersion: v1

metadata:

? labels:

? ? k8s-app: kubernetes-dashboard

? name: kubernetes-dashboard

? namespace: kubernetes-dashboard

spec:

? ports:

? ? - port: 443

? ? ? nodePort: 30443? ? ? ? ? ? ? ? # 新添加

? ? ? targetPort: 8443

? selector:

? ? k8s-app: kubernetes-dashboard

? type: NodePort? ? ? ? ? ? ? ? ? ? ?# 新添加


[root@master dashboard]# kubectl apply -f service.yaml?

service/kubernetes-dashboard configured

[root@master dashboard]# kubectl -n kubernetes-dashboard get service

NAME? ? ? ? ? ? ? ? ? ? ? ? TYPE? ? ? ? CLUSTER-IP? ? ? ?EXTERNAL-IP? ?PORT(S)? ? ? ? ?AGE

dashboard-metrics-scraper? ?ClusterIP? ?10.254.66.25? ? ?<none>? ? ? ? 8000/TCP? ? ? ? 2m6s

kubernetes-dashboard? ? ? ? NodePort? ? 10.254.165.155? ?<none>? ? ? ? 443:30443/TCP? ?2m6s


token認(rèn)證登錄

[root@master dashboard]# kubectl apply -f admin-token.yaml

[root@master ~]# kubectl -n kubernetes-dashboard get secrets?

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?TYPE? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? DATA? ?AGE

admin-user-token-bxjlz? ? ? ? ? ? ?kubernetes.io/service-account-token? ?3? ? ? 23s

[root@master ~]# kubectl -n kubernetes-dashboard describe secrets admin-user-token-bxjlz

Name:? ? ? ? ?admin-user-token-bxjlz

... ...

ca.crt:? ? ?1025 bytes

namespace:? 20 bytes

token:? ? ? 這里這個很長的字符串就是你要找的認(rèn)證 token


部署Prometheus

[root@master images]# for i in *.gz;do docker load -i ${i};done

[root@master images]# img="prom/node-exporter v1.0.0

quay.io/coreos/prometheus-config-reloader v0.35.1

quay.io/coreos/prometheus-operator v0.35.1

quay.io/coreos/kube-state-metrics v1.9.2

grafana/grafana 6.4.3

jimmidyson/configmap-reload v0.3.0

quay.io/prometheus/prometheus v2.11.0

quay.io/prometheus/alertmanager v0.18.0

quay.io/coreos/k8s-prometheus-adapter-amd64 v0.5.0

quay.io/coreos/kube-rbac-proxy v0.4.1"

[root@master images]# while read _f _v;do?

? docker tag ${_f}:${_v} 192.168.1.100:5000/${_f##*/}:${_v}

? docker push 192.168.1.100:5000/${_f##*/}:${_v}

? docker rmi ${_f}:${_v}

done <<<"${img}"

[root@master images]# curl http://192.168.1.100:5000/v2/_catalog

{"repositories":["alertmanager","configmap-reload","coredns","dashboard","etcd","flannel","grafana","k8s-prometheus-adapter-amd64","kube-apiserver","kube-controller-manager","kube-proxy","kube-rbac-proxy","kube-scheduler","kube-state-metrics","metrics-scraper","metrics-server","myos","nginx-ingress-controller","node-exporter","pause","prometheus","prometheus-config-reloader","prometheus-operator"]}


operator安裝

[root@master prometheus]# curl http://192.168.1.100:5000/v2/configmap-reload/tags/list

{"name":"configmap-reload","tags":["v0.3.0"]}

[root@master prometheus]# curl http://192.168.1.100:5000/v2/prometheus-config-reloader/tags/list

{"name":"prometheus-config-reloader","tags":["v0.35.1"]}

[root@master prometheus]# curl http://192.168.1.100:5000/v2/prometheus-operator/tags/list

{"name":"prometheus-operator","tags":["v0.35.1"]}

[root@master prometheus]# vim setup/prometheus-operator-deployment.yaml

27:? ? ? ? - --config-reloader-image=192.168.1.100:5000/configmap-reload:v0.3.0

28:? ? ? ? - --prometheus-config-reloader=192.168.1.100:5000/prometheus-config-reloader:v0.35.1

29:? ? ? ? image: 192.168.1.100:5000/prometheus-operator:v0.35.1

# 驗證安裝

[root@master prometheus]# kubectl apply -f setup/

[root@master prometheus]# kubectl -n monitoring get pod

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?READY? ?STATUS? ? RESTARTS? ?AGE

prometheus-operator-75b4b59b74-72qhg? ?1/1? ? ?Running? ?0? ? ? ? ? 47s


Prometheus server安裝

[root@master prometheus]# curl http://192.168.1.100:5000/v2/prometheus/tags/list

{"name":"prometheus","tags":["v2.11.0"]}

[root@master prometheus]# vim prom-server/prometheus-prometheus.yaml

14: ? baseImage: 192.168.1.100:5000/prometheus

34: ? version: v2.11.0

[root@master prometheus]# kubectl apply -f prom-server/

[root@master prometheus]# kubectl -n monitoring get pod

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?READY? ?STATUS? ? RESTARTS? ?AGE

prometheus-k8s-0? ? ? ? ? ? ? ? ? ? ? ?3/3? ? ?Running? ?1? ? ? ? ? 45s

prometheus-k8s-1? ? ? ? ? ? ? ? ? ? ? ?3/3? ? ?Running? ?1? ? ? ? ? 45s


prom-adapter安裝

[root@master prometheus]# curl http://192.168.1.100:5000/v2/k8s-prometheus-adapter-amd64/tags/list

{"name":"k8s-prometheus-adapter-amd64","tags":["v0.5.0"]}

[root@master prometheus]# vim prom-adapter/prometheus-adapter-deployment.yaml

28:? ? ? image: 192.168.1.100:5000/k8s-prometheus-adapter-amd64:v0.5.0

[root@master prometheus]# kubectl apply -f prom-adapter

[root@master prometheus]# kubectl -n monitoring get pod

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?READY? ?STATUS? ? RESTARTS? ?AGE

prometheus-adapter-856854f9f6-knqtq? ? 1/1? ? ?Running? ?0? ? ? ? ? 6s


metrics-state安裝

[root@master prometheus]# curl http://192.168.1.100:5000/v2/kube-state-metrics/tags/list

{"name":"kube-state-metrics","tags":["v1.9.2"]}

[root@master prometheus]# curl http://192.168.1.100:5000/v2/kube-rbac-proxy/tags/list

{"name":"kube-rbac-proxy","tags":["v0.4.1"]}

[root@master prometheus]# vim metrics-state/kube-state-metrics-deployment.yaml

24: ? ? ? ? image: 192.168.1.100:5000/kube-rbac-proxy:v0.4.1

41: ? ? ? ? image: 192.168.1.100:5000/kube-rbac-proxy:v0.4.1

58: ? ? ? ? image: 192.168.1.100:5000/kube-state-metrics:v1.9.2

[root@master prometheus]# kubectl apply -f metrics-state/

[root@master prometheus]# kubectl -n monitoring get pod

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?READY? ?STATUS? ? RESTARTS? ?AGE

kube-state-metrics-5894f64799-krvn6? ? 3/3? ? ?Running? ?0? ? ? ? ? 4s


node-exporter安裝

[root@master prometheus]# curl http://192.168.1.100:5000/v2/node-exporter/tags/list

{"name":"node-exporter","tags":["v1.0.0"]}

[root@master prometheus]# curl http://192.168.1.100:5000/v2/kube-rbac-proxy/tags/list

{"name":"kube-rbac-proxy","tags":["v0.4.1"]}

[root@master prometheus]# vim node-exporter/node-exporter-daemonset.yaml

27: ? ? ? ? image: 192.168.1.100:5000/node-exporter:v1.0.0

57: ? ? ? ? image: 192.168.1.100:5000/kube-rbac-proxy:v0.4.1

[root@master prometheus]# kubectl apply -f node-exporter/

[root@master prometheus]# kubectl -n monitoring get pod

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?READY? ?STATUS? ? RESTARTS? ?AGE

node-exporter-7h4l9? ? ? ? ? ? ? ? ? ? 2/2? ? ?Running? ?0? ? ? ? ? 7s

node-exporter-7vxmx? ? ? ? ? ? ? ? ? ? 2/2? ? ?Running? ?0? ? ? ? ? 7s

node-exporter-mr6lw? ? ? ? ? ? ? ? ? ? 2/2? ? ?Running? ?0? ? ? ? ? 7s

node-exporter-zg2j8? ? ? ? ? ? ? ? ? ? 2/2? ? ?Running? ?0? ? ? ? ? 7s


alertmanager安裝

[root@master prometheus]# curl http://192.168.1.100:5000/v2/alertmanager/tags/list

{"name":"alertmanager","tags":["v0.18.0"]}

[root@master prometheus]# vim alertmanager/alertmanager-alertmanager.yaml

09: baseImage: 192.168.1.100:5000/alertmanager

18: version: v0.18.0

[root@master prometheus]# kubectl apply -f alertmanager/

[root@master prometheus]# kubectl -n monitoring get pod

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?READY? ?STATUS? ? RESTARTS? ?AGE

alertmanager-main-0? ? ? ? ? ? ? ? ? ? 2/2? ? ?Running? ?0? ? ? ? ? 16s

alertmanager-main-1? ? ? ? ? ? ? ? ? ? 2/2? ? ?Running? ?0? ? ? ? ? 16s

alertmanager-main-2? ? ? ? ? ? ? ? ? ? 2/2? ? ?Running? ?0? ? ? ? ? 16s


grafana安裝

[root@master prometheus]# curl http://192.168.1.100:5000/v2/grafana/tags/list

{"name":"grafana","tags":["6.4.3"]}

[root@master prometheus]# vim grafana/grafana-deployment.yaml

19:? ? ?- image: 192.168.1.100:5000/grafana:6.4.3

[root@master prometheus]# kubectl apply -f grafana/

[root@master prometheus]# kubectl -n monitoring get pod

NAME? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?READY? ?STATUS? ? RESTARTS? ?AGE

grafana-647d948b69-d2hv9? ? ? ? ? ? ? ?1/1? ? ?Running? ?0? ? ? ? ? 19s


發(fā)布服務(wù)

[root@master prometheus]# cp grafana/grafana-service.yaml ./

[root@master prometheus]# vim grafana-service.yaml

apiVersion: v1

kind: Service

metadata:

? labels:

? ? app: grafana

? name: grafana

? namespace: monitoring

spec:

? type: NodePort? ? ? ? ? # 新添加

? ports:

? - name: http

? ? port: 3000

? ? nodePort: 30000? ? ? ?# 新添加

? ? targetPort: http

? selector:

? ? app: grafana

[root@master prometheus]# kubectl apply -f grafana-service.yaml

[root@master prometheus]# kubectl -n monitoring get service

NAME? ? ? ? ? ? ? ? ? ? TYPE? ? ? ? CLUSTER-IP? ? ? ?EXTERNAL-IP? ?PORT(S)

grafana? ? ? ? ? ? ? ? ?NodePort? ? 10.254.79.49? ? ?<none>? ? ? ? 3000:30000/TCP



標(biāo)簽：

kubernetes 性能與監(jiān)控 部署Dashboard 部署Prometheus grafana安裝的評論 (共 條)

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