您现在的位置是:首页 > 文章详情

Grafana+Prometheus实现Ceph监控和钉钉告警

日期:2019-02-19点击:392

Grafana+Prometheus实现Ceph监控和钉钉告警

获取软件包

最新的软件包获取地址

https://prometheus.io/download/

Prometheus

1、下载Prometheus

$ wget https://github.com/prometheus/prometheus/releases/download/v2.6.0/prometheus-2.6.0.linux-amd64.tar.gz

2、解压软件包

$ tar xf prometheus-2.6.0.linux-amd64.tar.gz

3、配置Prometheus启动程序

把解压出来的文件移动到/usr/local/目录下,并重命名为prometheu

$ mv prometheus-2.6.0.linux-amd64 /usr/local/prometheus

生成启动脚本

$ vim /usr/lib/systemd/system/prometheus.service [Unit] Description=Prometheus: the monitoring system Documentation=http://prometheus.io/docs/ [Service] ExecStart=/usr/local/prometheus/prometheus \ --config.file=/usr/local/prometheus/prometheus.yml \ --storage.tsdb.path=/var/lib/prometheus \ --web.console.templates=/usr/local/prometheus/consoles \ --web.console.libraries=/usr/local/prometheus/console_libraries \ --web.listen-address=0.0.0.0:9090 --web.external-url= Restart=always StartLimitInterval=0 RestartSec=10 [Install] WantedBy=multi-user.target 

创建监控数据存储目录

$ mkdir /var/lib/prometheus

4、启动Prometheus

$ systemctl daemon-reload $ systemctl enable prometheus $ systemctl start prometheus

5、查看端口监听状态

Prometheus监听的端口为9090,启动成功后可以通过netstat命令进行查看端口的监听状态

$ netstat -antpu | grep 9090 tcp 0 0 127.0.0.1:33270 127.0.0.1:9090 ESTABLISHED 6426/prometheus tcp6 0 0 :::9090 :::* LISTEN 6426/prometheus tcp6 0 0 ::1:9090 ::1:51821 ESTABLISHED 6426/prometheus tcp6 0 0 ::1:51821 ::1:9090 ESTABLISHED 6426/prometheus tcp6 0 0 127.0.0.1:9090 127.0.0.1:33270 ESTABLISHED 6426/prometheus

6、通过浏览器进行访问

Prometheus启动成功后,可以通过浏览器访问查看状态和配置信息

affc46f28587b4fbf22a766b47a81bc727b5c519

Ceph_export

Ceph_export 需要使用Go进行编译,也可以下载已经编译好的Ceph_exporter直接使用

链接:https://pan.baidu.com/s/1AEF_pdDvSJ5gMPapaBuBrA

提取码:jkuh

1、安装软件Go环境

$ yum -y install golang

2、查看Go环境变量

$ go env GOARCH="amd64" GOBIN="" GOCACHE="/root/.cache/go-build" GOEXE="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOOS="linux" GOPATH="/root/go" GOPROXY="" GORACE="" GOROOT="/usr/lib/golang" GOTMPDIR="" GOTOOLDIR="/usr/lib/golang/pkg/tool/linux_amd64" GCCGO="gccgo" CC="gcc" CXX="g++" CGO_ENABLED="1" GOMOD="" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build359765015=/tmp/go-build -gno-record-gcc-switches"

3、设置Go环境变量

$ vim /etc/profile.d/go.sh export GOROOT=/usr/lib/golang export GOBIN=$GOROOT/bin export GOPATH=/root/go export PATH=$PATH:$GOROOT/bin:$GOPATH/bin $ source /etc/profile.d/go.sh

4、下载并编译Ceph_exporter

$ mkdir go/src/github.com/digitalocean/ $ cd go/src/github.com/digitalocean/ $ git clone https://github.com/digitalocean/ceph_exporter $ cd ceph_exporter $ go build

5、创建Ceph_exporter启动程序

$ mkdir ~/go/bin/ $ cp ~/go/src/github.com/digitalocean/ceph_exporter/ceph_exporter ~/go/bin/ $ vim /usr/lib/systemd/system/ceph_exporter.service [Unit] Description=Prometheus's ceph metrics exporter [Service] User=root Group=root ExecStart=/root/go/bin/ceph_exporter [Install] WantedBy=multi-user.target Alias=ceph_exporter.service

6、启动Ceph_exporter

$ systemctl daemon-reload $ systemctl enable ceph_exporter $ systemctl start ceph_exporter

7、查看端口监听状态

Ceph_exporter使用的是9128端口,可以通过netstat进行查看端口的监听状态

$ netstat -antpu | grep 9128 tcp6 0 0 :::9128 :::* LISTEN 6839/ceph_exporter

8、修改Prometheus配置

Ceph_exporter的接口添加到Prometheus的配置中

$ vim /usr/local/prometheus/prometheus.yml scrape_configs: - job_name: 'ceph' honor_labels: true static_configs: - targets: ['192.168.1.10:9128'] labels: instance: Ceph测试集群

9、重启Prometheus进程

$ systemctl restart prometheus

10、浏览器访问验证

38f6e3e386cfe417f9d3b64e2ce4117d5a6c9590

Grafana

1、下载软件包

不同系统的最新软件包可以在Grafana的官网获取下载地址https://grafana.com/grafana/download

$ wget https://dl.grafana.com/oss/release/grafana-5.4.3-1.x86_64.rpm

2、安装Grafana

$ yum -y install grafana-5.4.3-1.x86_64.rpm

3、启动Grafana

$ systemctl enable grafana-server $ systemctl start grafana-server

4、查看端口监听状态

Grafana监听端口为3000,可以使用netstat查看监听状态

$ netstat -antpu | grep 3000 tcp6 0 0 :::3000 :::* LISTEN 7147/grafana-server

5、浏览器访问登录

访问地址为http://$IP:3000,初始用户名和密码均为admin,首次登录后会提示设置新的密码

9aba06e98a5298bab2cee2e7fa28504e3b77dca1

6、配置Dashboard

点击Add data source添加数据源

c53e5fa2e4099f69f1651f0ac106843219252985

选择Prometheus

6dc756809a2f36b12274ec35096c7f13d7b3a1f5

URL地址为Prometheus的访问地址http://$IP:9090

b9d8305e0b437fab2d73ee46677044e3c922ec71

导入Dashboard,模板的编号为917,如果无法连接互联网,也可以在Grafana的官网下载模板后手动导入https://grafana.com/dashboards/917

4d3e5965a304f574f89292fdc3cd3c313e18566e

5a6f0038fefb4e8f8cab51879d905b8b335dccc1

查看监控状态

740dd72cd19bcb9904943ba77c399a20f5348da3

AlertManager

1、安装Alertmanager

$ wget https://github.com/prometheus/alertmanager/releases/download/v0.16.0/alertmanager-0.16.0.linux-amd64.tar.gz $ tar xf alertmanager-0.16.0-alpha.0.linux-amd64.tar.gz $ cd alertmanager-0.16.0-alpha.0.linux-amd64 $ cp alertmanager amtool /usr/bin/ $ cp alertmanager.yml /usr/local/prometheus/

2、生成启动程序

$ vim /usr/lib/systemd/system/alertmanager.service [Unit] Description=Prometheus: the alerting system Documentation=http://prometheus.io/docs/ After=prometheus.service [Service] ExecStart=/usr/bin/alertmanager --config.file=/usr/local/prometheus/alertmanager.yml Restart=always StartLimitInterval=0 RestartSec=10 [Install] WantedBy=multi-user.target

3、启动Alertmanager

$ systemctl enable alertmanager $ systemctl start alertmanager

4、查看端口监听状态

Alertmanager的监听端口为9093,可以使用netstat查看端口监听状态

$ netstat -antpu | grep 9093 tcp6 0 0 :::9093 :::* LISTEN 7381/alertmanager 

5、配置Prometheus,添加Alertmanager端点

$ vim /usr/local/prometheus/prometheus.yml alerting: alertmanagers: - static_configs: - targets: ["192.168.1.10:9093"]

6、重启Prometheus

$ systemctl restart prometheus

配置钉钉告警

1、配置webhook

$ mkdir -p /usr/lib/golang/src/github.com/timonwong/ $ cd /usr/lib/golang/src/github.com/timonwong/ $ git clone https://github.com/timonwong/prometheus-webhook-dingtalk.git $ cd prometheus-webhook-dingtalk $ make $ nohup ./prometheus-webhook-dingtalk --ding.profile="webhook=https://oapi.dingtalk.com/robot/send?access_token=8fe12c1a58b0769d7fcbf6ebf3bcd2cfcba825f2c45b4b39055890fd705df543" &> /var/log/dingding.log &

2、添加webhook告警

$ vim /usr/local/prometheus/alertmanager.yml global: resolve_timeout: 5m route: group_by: ['alertname'] group_wait: 10s group_interval: 10s repeat_interval: 1h receiver: 'web.hook' receivers: - name: 'web.hook' webhook_configs: - url: 'http://192.168.1.10:8060/dingtalk/webhook/send' inhibit_rules: - source_match: severity: 'critical' target_match: severity: 'warning' equal: ['alertname', 'dev', 'instance']

3、添加告警规则文件

$ vim /usr/local/prometheus/prometheus.yml rule_files: - /usr/local/prometheus/ceph.yml

4、配置告警规则

$ vim /usr/local/prometheus/ceph.yml groups: - name: ceph-rule rules: - alert: Ceph OSD Down expr: ceph_osd_down > 0 for: 2m labels: product: Ceph测试集群 annotations: Warn: "{{$labels.instance}}: 有{{ $value }}个OSD挂掉了" Description: "{{$labels.instance}}:{{ $labels.osd }}当前状态为{{ $labels.status }}" - alert: 集群空间使用率 expr: ceph_cluster_used_bytes / ceph_cluster_capacity_bytes * 100 > 80 for: 2m labels: product: Ceph测试集群 annotations: Warn: "{{$labels.instance}}:集群空间不足" Description: "{{$labels.instance}}:当前空间使用率为{{ $value }}"

5、重启进程使配置生效

$ systemctl restart alertmanager $ systemctl restart prometheus.service

6、钉钉验证

停掉一个OSD后,钉钉收到如下告警

b932c49513cb45222821ce4743d7ce9106752eb7

重新启动后收到恢复通知

efb7ea345a38084f3df5c1a3160e1fff53310c7f

原文链接:https://yq.aliyun.com/articles/690876
关注公众号

低调大师中文资讯倾力打造互联网数据资讯、行业资源、电子商务、移动互联网、网络营销平台。

持续更新报道IT业界、互联网、市场资讯、驱动更新,是最及时权威的产业资讯及硬件资讯报道平台。

转载内容版权归作者及来源网站所有,本站原创内容转载请注明来源。

文章评论

共有0条评论来说两句吧...

文章二维码

扫描即可查看该文章

点击排行

推荐阅读

最新文章