prometheus学习系列二： Prometheus安装
作者：互联网
下载
在prometheus的官网的download页面，可以找到prometheus的下载二进制包。
[root@node00 src]# cd /usr/src/ [root@node00 src]# wget https://github.com/prometheus/prometheus/releases/download/v2.12.0/prometheus-2.12.0.linux-amd64.tar.gz [root@node00 src]# mkdir /usr/local/prometheus/ [root@node00 src]# tar xf prometheus-2.12.0.linux-amd64.tar.gz -C /usr/local/prometheus/ [root@node00 src]# cd /usr/local/prometheus/ [root@node00 prometheus]# ln -s prometheus-2.12.0.linux-amd64 prometheus [root@node00 prometheus]# ll total 0 lrwxrwxrwx 1 root root 29 Sep 20 05:06 prometheus -> prometheus-2.12.0.linux-amd64 drwxr-xr-x 4 3434 3434 132 Aug 18 11:40 prometheus-2.12.0.linux-amd64
[root@node00 prometheus]# cd prometheus
获取配置帮助
[root@node00 prometheus]# ./prometheus --help
启动
# 启动 [root@node00 prometheus]# ./prometheus level=info ts=2019-09-20T09:45:35.470Z caller=main.go:293 msg="no time or size retention was set so using the default time retention" duration=15d level=info ts=2019-09-20T09:45:35.470Z caller=main.go:329 msg="Starting Prometheus" version="(version=2.12.0, branch=HEAD, revision=43acd0e2e93f9f70c49b2267efa0124f1e759e86)" level=info ts=2019-09-20T09:45:35.470Z caller=main.go:330 build_context="(go=go1.12.8, user=root@7a9dbdbe0cc7, date=20190818-13:53:16)" level=info ts=2019-09-20T09:45:35.470Z caller=main.go:331 host_details="(Linux 3.10.0-693.el7.x86_64 #1 SMP Tue Aug 22 21:09:27 UTC 2017 x86_64 node00 (none))" level=info ts=2019-09-20T09:45:35.470Z caller=main.go:332 fd_limits="(soft=1024, hard=4096)" level=info ts=2019-09-20T09:45:35.470Z caller=main.go:333 vm_limits="(soft=unlimited, hard=unlimited)" level=info ts=2019-09-20T09:45:35.473Z caller=main.go:654 msg="Starting TSDB ..." level=info ts=2019-09-20T09:45:35.473Z caller=web.go:448 component=web msg="Start listening for connections" address=0.0.0.0:9090 level=info ts=2019-09-20T09:45:35.519Z caller=head.go:509 component=tsdb msg="replaying WAL, this may take awhile" level=info ts=2019-09-20T09:45:35.520Z caller=head.go:557 component=tsdb msg="WAL segment loaded" segment=0 maxSegment=0 level=info ts=2019-09-20T09:45:35.520Z caller=main.go:669 fs_type=XFS_SUPER_MAGIC level=info ts=2019-09-20T09:45:35.520Z caller=main.go:670 msg="TSDB started" level=info ts=2019-09-20T09:45:35.520Z caller=main.go:740 msg="Loading configuration file" filename=prometheus.yml level=info ts=2019-09-20T09:45:35.568Z caller=main.go:768 msg="Completed loading of configuration file" filename=prometheus.yml level=info ts=2019-09-20T09:45:35.568Z caller=main.go:623 msg="Server is ready to receive web requests."
测试
配置开机自启
# 进入systemd文件目录
[root@node00 system]# cd /usr/lib/systemd/system
# 编写prometheus systemd文件 [root@node00 system]# cat prometheus.service [Unit] Description=prometheus After=network.target [Service] User=prometheus Group=prometheus WorkingDirectory=/usr/local/prometheus/prometheus ExecStart=/usr/local/prometheus/prometheus/prometheus [Install] WantedBy=multi-user.target
# 启动 [root@node00 system]# systemctl restart prometheus
# 查看状态 [root@node00 system]# systemctl status prometheus ● prometheus.service - prometheus Loaded: loaded (/usr/lib/systemd/system/prometheus.service; disabled; vendor preset: disabled) Active: active (running) since Fri 2019-09-20 06:11:21 EDT; 4s ago Main PID: 32871 (prometheus) CGroup: /system.slice/prometheus.service └─32871 /usr/local/prometheus/prometheus/prometheus Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.634Z caller=head.go:509 component=tsdb msg="replaying WAL, this may take awhile" Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.640Z caller=head.go:557 component=tsdb msg="WAL segment loaded" segment=0 maxSegment=3 Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.640Z caller=head.go:557 component=tsdb msg="WAL segment loaded" segment=1 maxSegment=3 Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.641Z caller=head.go:557 component=tsdb msg="WAL segment loaded" segment=2 maxSegment=3 Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.641Z caller=head.go:557 component=tsdb msg="WAL segment loaded" segment=3 maxSegment=3 Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.642Z caller=main.go:669 fs_type=XFS_SUPER_MAGIC Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.642Z caller=main.go:670 msg="TSDB started" Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.642Z caller=main.go:740 msg="Loading configuration file" filename=prometheus.yml Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.686Z caller=main.go:768 msg="Completed loading of configuration file" filename=prometheus.yml Sep 20 06:11:21 node00 prometheus[32871]: level=info ts=2019-09-20T10:11:21.686Z caller=main.go:623 msg="Server is ready to receive web requests."
# 开机自启配置 [root@node00 system]# systemctl enable prometheus Created symlink from /etc/systemd/system/multi-user.target.wants/prometheus.service to /usr/lib/systemd/system/prometheus.service.
后端存储配置
默认情况下prometheus会将采集的数据防止到本机的data目录的， 存储数据的大小受限和扩展不便，这是使用influxdb作为后端的数据库来存储数据。
influxdb安装配置
influxdb的官方文档地址为： https://docs.influxdata.com/influxdb/v1.7/introduction/downloading/ 根据不同系统进行下载，这里使用官方提供的rpm进行安装。
# 下载rpm
wget https://dl.influxdata.com/influxdb/releases/influxdb-1.7.8.x86_64.rpm
# 本地安装rpm sudo yum localinstall influxdb-1.7.8.x86_64.rpm
# 查看安装的文件 [root@node00 influxdb]# rpm -ql influxdb /etc/influxdb/influxdb.conf /etc/logrotate.d/influxdb /usr/bin/influx /usr/bin/influx_inspect /usr/bin/influx_stress /usr/bin/influx_tsm /usr/bin/influxd /usr/lib/influxdb/scripts/influxdb.service /usr/lib/influxdb/scripts/init.sh /usr/share/man/man1/influx.1.gz /usr/share/man/man1/influx_inspect.1.gz /usr/share/man/man1/influx_stress.1.gz /usr/share/man/man1/influx_tsm.1.gz /usr/share/man/man1/influxd-backup.1.gz /usr/share/man/man1/influxd-config.1.gz /usr/share/man/man1/influxd-restore.1.gz /usr/share/man/man1/influxd-run.1.gz /usr/share/man/man1/influxd-version.1.gz /usr/share/man/man1/influxd.1.gz /var/lib/influxdb /var/log/influxdb
# 备份默认的默认的配置文件，这里可以对influxdb的数据存放位置做些设置
[root@node00 influxdb]# cp /etc/influxdb/influxdb.conf /etc/influxdb/influxdb.conf.default
# 启动 [root@node00 influxdb]# systemctl restart influxdb
# 查看状态 [root@node00 influxdb]# systemctl status influxdb
# 客户端登陆测试， 创建一个prometheus的database供后续的prometheus使用。 [root@node00 influxdb]# influx Connected to http://localhost:8086 version 1.7.8 InfluxDB shell version: 1.7.8 > show databases; name: databases name ---- _internal > create database prometheus; > show databases; name: databases name ---- _internal prometheus > exit
配置prometheus集成infludb
官方的帮助文档在这里： https://docs.influxdata.com/influxdb/v1.7/supported_protocols/prometheus/
[root@node00 prometheus]# pwd /usr/local/prometheus/prometheus cp prometheus.yml prometheus.yml.default vim prometheus.yml # 添加如下几行 remote_write: - url: "http://localhost:8086/api/v1/prom/write?db=prometheus" remote_read: - url: "http://localhost:8086/api/v1/prom/read?db=prometheus" systemctl restart prometheus systemctl status prometheus
注意： 如果influxdb配置有密码， 请参考上面的官方文档地址进行配置。
测试数据是否存储到influxdb中
[root@node00 prometheus]# influx Connected to http://localhost:8086 version 1.7.8 InfluxDB shell version: 1.7.8 > show databases; name: databases name ---- _internal prometheus > use prometheus Using database prometheus > show measures; ERR: error parsing query: found measures, expected CONTINUOUS, DATABASES, DIAGNOSTICS, FIELD, GRANTS, MEASUREMENT, MEASUREMENTS, QUERIES, RETENTION, SERIES, SHARD, SHARDS, STATS, SUBSCRIPTIONS, TAG, USERS at line 1, char 6 > show MEASUREMENTS; name: measurements name ---- go_gc_duration_seconds go_gc_duration_seconds_count go_gc_duration_seconds_sum go_goroutines go_info go_memstats_alloc_bytes # 后面还是有很多，这里不粘贴了。 # 做个简单查询 > select * from prometheus_http_requests_total limit 10 ; name: prometheus_http_requests_total time __name__ code handler instance job value ---- -------- ---- ------- -------- --- ----- 1568975686217000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 1 1568975701216000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 2 1568975716218000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 3 1568975731217000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 4 1568975746216000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 5 1568975761217000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 6 1568975776217000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 7 1568975791217000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 8 1568975806217000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 9 1568975821216000000 prometheus_http_requests_total 200 /metrics localhost:9090 prometheus 10
标签：node00,09,Prometheus,influxdb,prometheus,usr,go,安装 来源： https://www.cnblogs.com/zhaojiedi1992/p/zhaojiedi_liunx_57_prometheus_install.html