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茶叶价格网站建设,浏览器下载大全,dnf卖飞机的网站怎么做的,开发工具和开发平台架构说明: prometheus是云原生系统内的事实上的监控标准,而kubernetes集群内部自然还是需要就地取材的部署prometheus服务了 那么,prometheus-server部署的方式其实是非常多的,比如,kubesphere集成方式,h…

架构说明:

prometheus是云原生系统内的事实上的监控标准,而kubernetes集群内部自然还是需要就地取材的部署prometheus服务了

那么,prometheus-server部署的方式其实是非常多的,比如,kubesphere集成方式,helm包方式,yaml文件清单方式,all in one 方式,在本例中,选择使用yaml文件清单方式

部署前需要考虑一个问题,那就是prometheus-server的时序数据库的数据存储问题,在本例中使用的是本地目录挂载方式,也就是host本地挂载,挂载目录  /data

kubernetes集群的版本如下(1.23.16版本,3master,1个工作节点,部署方式为kubekey):

[root@node4 yaml]# k get no -owide
NAME    STATUS   ROLES                  AGE   VERSION    INTERNAL-IP      EXTERNAL-IP   OS-IMAGE                KERNEL-VERSION           CONTAINER-RUNTIME
node1   Ready    control-plane,master   10d   v1.23.16   192.168.123.11   <none>        CentOS Linux 7 (Core)   3.10.0-1062.el7.x86_64   docker://20.10.8
node2   Ready    control-plane,master   10d   v1.23.16   192.168.123.12   <none>        CentOS Linux 7 (Core)   3.10.0-1062.el7.x86_64   docker://20.10.8
node3   Ready    control-plane,master   10d   v1.23.16   192.168.123.13   <none>        CentOS Linux 7 (Core)   3.10.0-1062.el7.x86_64   docker://20.10.8
node4   Ready    worker                 10d   v1.23.16   192.168.123.14   <none>        CentOS Linux 7 (Core)   3.10.0-1062.el7.x86_64   docker://20.10.8

prometheus-server的版本为(v2.2.1):

[root@node4 yaml]# k get deployments.apps -n monitor-sa -owide
NAME                READY   UP-TO-DATE   AVAILABLE   AGE   CONTAINERS   IMAGES                   SELECTOR
prometheus-server   2/2     2            2           9d    prometheus   prom/prometheus:v2.2.1   app=prometheus,component=server

grafana的版本为(rpm 方式安装的9.4.3):

[root@node4 yaml]# rpm -qa |grep grafana
grafana-enterprise-9.4.3-1.x86_64

node-exporter的版本为(v0.16,damonsets控制器):

[root@node4 yaml]# k get ds -n monitor-sa -owide
NAME            DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR   AGE   CONTAINERS      IMAGES                       SELECTOR
node-exporter   4         4         4       4            4           <none>          10d   node-exporter   prom/node-exporter:v0.16.0   name=node-exporter

部署成功的pod状态如下:

[root@node4 yaml]# k get po -n monitor-sa 
NAME                                READY   STATUS    RESTARTS      AGE
node-exporter-6ttbl                 1/1     Running   1 (77m ago)   10d
node-exporter-7ls5t                 1/1     Running   1 (76m ago)   10d
node-exporter-r287q                 1/1     Running   3 (77m ago)   10d
node-exporter-z85dm                 1/1     Running   1 (77m ago)   10d
prometheus-server-fb59774d6-bgmn7   1/1     Running   0             62m
prometheus-server-fb59774d6-wrq27   1/1     Running   0             62m

下面就如何在kubernetes内   部署一个prometheus做一个介绍

一,

node-exporter的部署

这里需要说明一下,node-exporter是做数据收集工作的,因此,如何收集数据,哪些数据需要收集,哪些数据需要舍弃这些是应该考虑的,虽然exporter只是收集数据,数据并不主动推送到prometheus,而是由prometheus自己来抓取,因此,无需配置存储,但如果node-exporter什么数据都收集,那毫无疑问的,对prometheus会是一种负担。

本例中相关配置是(表示磁盘挂载点的信息不收集):       

- --collector.filesystem.ignored-mount-points
        - '"^/(sys|proc|dev|host|etc)($|/)"'

prometheus的优化部分,根据以下内容配置

--collector.arp 启用 arp 收集器(默认值:启用)。

--collector.bcache 启用 bcache 收集器(默认值:启用)。

--collector.bonding 启用绑定收集器(默认值:启用)。

--collector.btrfs 启用 btrfs 收集器(默认值:启用)。

--collector.buddyinfo 启用 buddyinfo 收集器(默认值:禁用)。

--collector.conntrack 启用 conntrack 收集器(默认值:启用)。

--collector.cpu 启用 CPU 收集器(默认值:启用)。

--collector.cpufreq 启用 cpufreq 收集器(默认值:启用)。

--collector.diskstats 启用 diskstats 收集器(默认值:启用)。

--collector.drbd 启用 drbd 收集器(默认值:禁用)。

--collector.edac 启用 edac 收集器(默认值:启用)。

--collector.entropy 启用熵收集器(默认值:启用)。

--collector.ethtool 启用 ethtool 收集器(默认值:禁用)。

--collector.fiberchannel 启用光纤通道收集器(默认值:启用)。

--collector.filefd 启用 filefd 收集器(默认值:启用)。

--collector.filesystem 启用文件系统收集器(默认值:启用)。

--collector.hwmon 启用 hwmon 收集器(默认值:启用)。

--collector.infiniband 启用 infiniband 收集器(默认值:启用)。

--collector.interrupts 启用中断收集器(默认值:禁用)。

--collector.ipvs 启用 ipvs 收集器(默认值:启用)。

--collector.ksmd 启用 ksmd 收集器(默认值:禁用)。

--collector.loadavg 启用 loadavg 收集器(默认值:启用)。

--collector.logind 启用登录收集器(默认值:禁用)。

--collector.mdadm 启用 mdadm 收集器(默认值:启用)。

--collector.meminfo 启用 meminfo 收集器(默认值:启用)。

--collector.meminfo_numa 启用 meminfo_numa 收集器(默认值:禁用)。

--collector.mountstats 启用 mountstats 收集器(默认值:禁用)。

--collector.netclass 启用网络类收集器(默认:启用)。

--collector.netdev 启用 netdev 收集器(默认值:启用)。

--collector.netstat 启用 netstat 收集器(默认值:启用)。

--collector.network_route 启用 network_route 收集器(默认值:禁用)。

--collector.nfs 启用 nfs 收集器(默认值:启用)。 --collector.nfsd 启用 nfsd 收集器(默认值:启用)。

--collector.ntp 启用 ntp 收集器(默认值:禁用)。 --collector.nvme 启用 nvme 收集器(默认值:启用)。

--collector.perf 启用性能收集器(默认值:禁用)。 --collector.powersupplyclass 启用 powersupplyclass 收集器(默认值:启用)。

--collector.pressure 启用压力收集器(默认值:启用)。 --collector.processes 启用进程收集器(默认值:禁用)。

--collector.qdisc 启用 qdisc 收集器(默认值:禁用)。 --collector.rapl 启用 rapl 收集器(默认值:启用)。

--collector.runit 启用 runit 收集器(默认值:禁用)。 --collector.schedstat 启用 schedstat 收集器(默认值:启用)。

--collector.sockstat 启用 sockstat 收集器(默认值:启用)。 --collector.softnet 启用软网络收集器(默认值:启用)。

--collector.stat 启用统计收集器(默认值:启用)。 --collector.supervisord 启用 supervisord 收集器(默认值:禁用)。

--collector.systemd 启用 systemd 收集器(默认值:禁用)。 --collector.tapestats 启用tapestats 收集器(默认值:启用)。

--collector.tcpstat 启用 tcpstat 收集器(默认值:禁用)。 --collector.textfile 启用文本文件收集器(默认值:启用)。

--collector.thermal_zone 启用热区收集器(默认值:启用)。 --collector.time 启用时间收集器(默认:启用)。

--collector.timex 启用 timex 收集器(默认值:启用)。 --collector.udp_queues 启用 udp_queues 收集器(默认值:启用)。

--collector.uname 启用 uname 收集器(默认值:启用)。 --collector.vmstat 启用 vmstat 收集器(默认值:启用)。

--collector.wifi 启用 wifi 收集器(默认值:禁用)。 --collector.xfs 启用 xfs 收集器(默认值:启用)。

--collector.zfs 启用 zfs 收集器(默认值:启用)。 --collector.zoneinfo 启用 zoneinfo 收集器(默认值:禁用)。

Example:

--collector.filesystem.mount-points-exclude=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/.+)($|/)

List:

CollectorScopeInclude FlagExclude Flag
arpdevice--collector.arp.device-include--collector.arp.device-exclude
cpubugs--collector.cpu.info.bugs-includeN/A
cpuflags--collector.cpu.info.flags-includeN/A
diskstatsdevice--collector.diskstats.device-include--collector.diskstats.device-exclude
ethtooldevice--collector.ethtool.device-include--collector.ethtool.device-exclude
ethtoolmetrics--collector.ethtool.metrics-includeN/A
filesystemfs-typesN/A--collector.filesystem.fs-types-exclude
filesystemmount-pointsN/A--collector.filesystem.mount-points-exclude
hwmonchip--collector.hwmon.chip-include--collector.hwmon.chip-exclude
netdevdevice--collector.netdev.device-include--collector.netdev.device-exclude
qdiskdevice--collector.qdisk.device-include--collector.qdisk.device-exclude
sysctlall--collector.sysctl.includeN/A
systemdunit--collector.systemd.unit-include--collector.systemd.unit-exclude

Enabled by default

NameDescriptionOS
arpExposes ARP statistics from /proc/net/arp.Linux
bcacheExposes bcache statistics from /sys/fs/bcache/.Linux
bondingExposes the number of configured and active slaves of Linux bonding interfaces.Linux
btrfsExposes btrfs statisticsLinux
boottimeExposes system boot time derived from the kern.boottime sysctl.Darwin, Dragonfly, FreeBSD, NetBSD, OpenBSD, Solaris
conntrackShows conntrack statistics (does nothing if no /proc/sys/net/netfilter/ present).Linux
cpuExposes CPU statisticsDarwin, Dragonfly, FreeBSD, Linux, Solaris, OpenBSD
cpufreqExposes CPU frequency statisticsLinux, Solaris
diskstatsExposes disk I/O statistics.Darwin, Linux, OpenBSD
dmiExpose Desktop Management Interface (DMI) info from /sys/class/dmi/id/Linux
edacExposes error detection and correction statistics.Linux
entropyExposes available entropy.Linux
execExposes execution statistics.Dragonfly, FreeBSD
fibrechannelExposes fibre channel information and statistics from /sys/class/fc_host/.Linux
filefdExposes file descriptor statistics from /proc/sys/fs/file-nr.Linux
filesystemExposes filesystem statistics, such as disk space used.Darwin, Dragonfly, FreeBSD, Linux, OpenBSD
hwmonExpose hardware monitoring and sensor data from /sys/class/hwmon/.Linux
infinibandExposes network statistics specific to InfiniBand and Intel OmniPath configurations.Linux
ipvsExposes IPVS status from /proc/net/ip_vs and stats from /proc/net/ip_vs_stats.Linux
loadavgExposes load average.Darwin, Dragonfly, FreeBSD, Linux, NetBSD, OpenBSD, Solaris
mdadmExposes statistics about devices in /proc/mdstat (does nothing if no /proc/mdstat present).Linux
meminfoExposes memory statistics.Darwin, Dragonfly, FreeBSD, Linux, OpenBSD
netclassExposes network interface info from /sys/class/net/Linux
netdevExposes network interface statistics such as bytes transferred.Darwin, Dragonfly, FreeBSD, Linux, OpenBSD
netisrExposes netisr statisticsFreeBSD
netstatExposes network statistics from /proc/net/netstat. This is the same information as netstat -s.Linux
nfsExposes NFS client statistics from /proc/net/rpc/nfs. This is the same information as nfsstat -c.Linux
nfsdExposes NFS kernel server statistics from /proc/net/rpc/nfsd. This is the same information as nfsstat -s.Linux
nvmeExposes NVMe info from /sys/class/nvme/Linux
osExpose OS release info from /etc/os-release or /usr/lib/os-releaseany
powersupplyclassExposes Power Supply statistics from /sys/class/power_supplyLinux
pressureExposes pressure stall statistics from /proc/pressure/.Linux (kernel 4.20+ and/or CONFIG_PSI)
raplExposes various statistics from /sys/class/powercap.Linux
schedstatExposes task scheduler statistics from /proc/schedstat.Linux
selinuxExposes SELinux statistics.Linux
sockstatExposes various statistics from /proc/net/sockstat.Linux
softnetExposes statistics from /proc/net/softnet_stat.Linux
statExposes various statistics from /proc/stat. This includes boot time, forks and interrupts.Linux
tapestatsExposes statistics from /sys/class/scsi_tape.Linux
textfileExposes statistics read from local disk. The --collector.textfile.directory flag must be set.any
thermalExposes thermal statistics like pmset -g therm.Darwin
thermal_zoneExposes thermal zone & cooling device statistics from /sys/class/thermal.Linux
timeExposes the current system time.any
timexExposes selected adjtimex(2) system call stats.Linux
udp_queuesExposes UDP total lengths of the rx_queue and tx_queue from /proc/net/udp and /proc/net/udp6.Linux
unameExposes system information as provided by the uname system call.Darwin, FreeBSD, Linux, OpenBSD
vmstatExposes statistics from /proc/vmstat.Linux
xfsExposes XFS runtime statistics.Linux (kernel 4.4+)
zfsExposes ZFS performance statistics.FreeBSD, Linux, Solaris

node-exporter的部署文件: 

cat >node-export.yaml <<EOF
apiVersion: apps/v1
kind: DaemonSet
metadata:name: node-exporternamespace: monitor-salabels:name: node-exporter
spec:selector:matchLabels:name: node-exportertemplate:metadata:labels:name: node-exporterspec:hostPID: truehostIPC: truehostNetwork: truecontainers:- name: node-exporterimage: prom/node-exporter:v0.16.0ports:- containerPort: 9100resources:requests:cpu: 0.15securityContext:privileged: trueargs:- --path.procfs- /host/proc- --path.sysfs- /host/sys- --collector.filesystem.ignored-mount-points- '"^/(sys|proc|dev|host|etc)($|/)"'volumeMounts:- name: devmountPath: /host/dev- name: procmountPath: /host/proc- name: sysmountPath: /host/sys- name: rootfsmountPath: /rootfstolerations:- key: "node-role.kubernetes.io/master"operator: "Exists"effect: "NoSchedule"volumes:- name: prochostPath:path: /proc- name: devhostPath:path: /dev- name: syshostPath:path: /sys- name: rootfshostPath:path: /
EOF

二,

kube-state-metrics收集器的部署

kube-state-metrics是kubernetes内部专门收集pod,deployment,ds,sts等等资源的状态的收集器,该收集器收集到的数据由prometheus-server 服务自己主动来抓取

例如,我们查询该服务的日志可以看到,有一些资源它没有收集到,原因是sa权限不足,但这些无需担心,和node-exporter一样,某些数据我们是并不需要收集的:

E1202 13:10:33.591335       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1.Secret: secrets is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "secrets" in API group "" at the cluster scope
E1202 13:10:33.592118       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1beta1.MutatingWebhookConfiguration: mutatingwebhookconfigurations.admissionregistration.k8s.io is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "mutatingwebhookconfigurations" in API group "admissionregistration.k8s.io" at the cluster scope
E1202 13:10:33.593079       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1.Namespace: networkpolicies.networking.k8s.io is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "networkpolicies" in API group "networking.k8s.io" at the cluster scope
E1202 13:10:33.597030       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1.ReplicaSet: replicasets.apps is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "replicasets" in API group "apps" at the cluster scope
E1202 13:10:33.599890       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1beta1.ValidatingWebhookConfiguration: validatingwebhookconfigurations.admissionregistration.k8s.io is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "validatingwebhookconfigurations" in API group "admissionregistration.k8s.io" at the cluster scope
E1202 13:10:34.580372       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1.StorageClass: storageclasses.storage.k8s.io is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "storageclasses" in API group "storage.k8s.io" at the cluster scope
E1202 13:10:34.580373       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1.ConfigMap: configmaps is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "configmaps" in API group "" at the cluster scope
E1202 13:10:34.586583       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1beta1.PodDisruptionBudget: poddisruptionbudgets.policy is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "poddisruptionbudgets" in API group "policy" at the cluster scope
E1202 13:10:34.586669       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1.Deployment: deployments.apps is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "deployments" in API group "apps" at the cluster scope
E1202 13:10:34.587055       1 reflector.go:156] pkg/mod/k8s.io/client-go@v0.0.0-20191109102209-3c0d1af94be5/tools/cache/reflector.go:108: Failed to list *v1beta1.VolumeAttachment: volumeattachments.storage.k8s.io is forbidden: User "system:serviceaccount:kube-system:kube-state-metrics" cannot list resource "volumeattachments" in API group "storage.k8s.io" at the cluster scope

kube-state-metrics的RBAC:

这里上面的缺的收集cm的权限我已经补上了

cat> kube-state-metrics-rbac.yaml <<EOF
---
apiVersion: v1
kind: ServiceAccount
metadata:name: kube-state-metricsnamespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:name: kube-state-metrics
rules:
- apiGroups: [""]resources: ["nodes", "pods", "services", "resourcequotas", "replicationcontrollers", "limitranges", "persistentvolumeclaims", "persistentvolumes", "namespaces", "endpoints"]verbs: ["list", "watch"]
- apiGroups: ["extensions"]resources: ["daemonsets", "deployments", "replicasets"]verbs: ["list", "watch"]
- apiGroups: ["apps"]resources: ["statefulsets","daemonsets","replicasets","deployments"]verbs: ["list", "watch"]
- apiGroups: ["batch"]resources: ["cronjobs", "jobs"]verbs: ["list", "watch"]
- apiGroups: ["autoscaling"]resources: ["horizontalpodautoscalers"]verbs: ["list", "watch"]
- apiGroups: [""]resources: ["configmaps","secrets"]verbs: ["list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:name: kube-state-metrics
roleRef:apiGroup: rbac.authorization.k8s.iokind: ClusterRolename: kube-state-metrics
subjects:
- kind: ServiceAccountname: kube-state-metricsnamespace: kube-system
EOF

 kube-state-metrics的svc:

这里有一个注解,prometheus.io/scrape: 'true'  表示允许prometheus收集数据

cat> kube-state-metrics-svc.yaml <<EOF
apiVersion: v1
kind: Service
metadata:annotations:prometheus.io/scrape: 'true'name: kube-state-metricsnamespace: kube-systemlabels:app: kube-state-metrics
spec:ports:- name: kube-state-metricsport: 8080protocol: TCPselector:app: kube-state-metrics
EOF

kube-state-metrics的deployment:

cat >kube-state-metrics-deploy.yaml <<EOF
apiVersion: apps/v1
kind: Deployment
metadata:name: kube-state-metricsnamespace: kube-system
spec:replicas: 1selector:matchLabels:app: kube-state-metricstemplate:metadata:labels:app: kube-state-metricsspec:serviceAccountName: kube-state-metricscontainers:- name: kube-state-metrics
#        image: gcr.io/google_containers/kube-state-metrics-amd64:v1.3.1image: quay.io/coreos/kube-state-metrics:v1.9.0ports:- containerPort: 8080
EOF

三,

prometheus-server的部署

1,

prometheus-svc

cat >prometheus-cfg.yaml <<EOF
---
kind: ConfigMap
apiVersion: v1
metadata:labels:app: prometheusname: prometheus-confignamespace: monitor-sa
data:prometheus.yml: |global:scrape_interval: 15sscrape_timeout: 10sevaluation_interval: 1mscrape_configs:- job_name: 'kubernetes-node'kubernetes_sd_configs:- role: noderelabel_configs:- source_labels: [__address__]regex: '(.*):10250'replacement: '${1}:9100'target_label: __address__action: replace- action: labelmapregex: __meta_kubernetes_node_label_(.+)- job_name: 'kubernetes-node-cadvisor'kubernetes_sd_configs:- role:  nodescheme: httpstls_config:ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crtbearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/tokenrelabel_configs:- action: labelmapregex: __meta_kubernetes_node_label_(.+)- target_label: __address__replacement: kubernetes.default.svc:443- source_labels: [__meta_kubernetes_node_name]regex: (.+)target_label: __metrics_path__replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor- job_name: 'kubernetes-apiserver'kubernetes_sd_configs:- role: endpointsscheme: httpstls_config:ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crtbearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/tokenrelabel_configs:- source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]action: keepregex: default;kubernetes;https
EOF

2,

prometheus-svc:

cat >prometheus-svc.yaml <<EOF
---
apiVersion: v1
kind: Service
metadata:name: prometheusnamespace: monitor-salabels:app: prometheus
spec:type: NodePortports:- port: 9090targetPort: 9090protocol: TCPselector:app: prometheuscomponent: server
EOF

3,

cat >prometheus-deploy.yaml <<EOF
---
apiVersion: apps/v1
kind: Deployment
metadata:name: prometheus-servernamespace: monitor-salabels:app: prometheus
spec:replicas: 2selector:matchLabels:app: prometheuscomponent: server#matchExpressions:#- {key: app, operator: In, values: [prometheus]}#- {key: component, operator: In, values: [server]}template:metadata:labels:app: prometheuscomponent: serverannotations:prometheus.io/scrape: 'false'spec:nodeName: node4serviceAccountName: monitorcontainers:- name: prometheusimage: prom/prometheus:v2.2.1imagePullPolicy: IfNotPresentcommand:- prometheus- --config.file=/etc/prometheus/prometheus.yml- --storage.tsdb.path=/prometheus- --storage.tsdb.retention=720hports:- containerPort: 9090protocol: TCPvolumeMounts:- mountPath: /etc/prometheus/prometheus.ymlname: prometheus-configsubPath: prometheus.yml- mountPath: /prometheus/name: prometheus-storage-volumevolumes:- name: prometheus-configconfigMap:name: prometheus-configitems:- key: prometheus.ymlpath: prometheus.ymlmode: 0644- name: prometheus-storage-volumehostPath:path: /datatype: Directory
EOF

以上所有部署执行完毕后,查看prometheus-server的svc:

[root@node4 yaml]# k get svc -n monitor-sa 
NAME         TYPE       CLUSTER-IP    EXTERNAL-IP   PORT(S)          AGE
prometheus   NodePort   10.96.0.120   <none>        9090:32661/TCP   10d

根据该port,打开浏览器,进入prometheus的web界面:

至此,kubernetes集群内的prometheus-server服务就安装完毕了!!!!!! 

grafana默认安装就可以了,rpm方式安装,没什么好说的,主要是数据源设置如下:

http://www.ds6.com.cn/news/82696.html

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