BING随遇而安 in Shanghai

2025-01-09

# Prometheus 安装

# 1. 创建`prometheus`用户

创建prometheus用户，用于运行prometheus服务

sudo useradd --no-create-home --shell /bin/false prometheus

# 2. 下载安装包

下载最新的prometheus安装包

sudo wget https://github.com/prometheus/prometheus/releases/download/v3.1.0/prometheus-3.1.0.linux-amd64.tar.gz

# 2. 解压安装包

解压下载的安装包

sudo tar -xvf prometheus-3.1.0.linux-amd64.tar.gz

# 3. 移动到指定目录

将解压后的文件移动到/usr/local/prometheus目录下

sudo mv prometheus-3.1.0.linux-amd64 /usr/local/prometheus

# 4. 创建软链接

将可执行文件软连到/usr/local/bin目录下

sudo ln -s /usr/local/prometheus/prometheus /usr/local/bin/prometheus
sudo ln -s /usr/local/prometheus/promtool /usr/local/bin/promtool

# 5. 创建配置文件

在/etc目录下创建prometheus配置文件目录，并将解压后的prometheus.yml文件移动到该目录下

sudo mkdir /etc/prometheus
sudo mv /usr/local/prometheus/prometheus.yml /etc/prometheus/prometheus.yml

# 6. 创建数据目录

在/var/lib目录下创建prometheus数据目录

sudo mkdir /var/lib/prometheus

# 7. 修改目录权限

修改prometheus目录权限，将prometheus用户和组设置为目录的所有者

sudo chown -R prometheus:prometheus /usr/local/prometheus
sudo chown -R prometheus:prometheus /etc/prometheus
sudo chown -R prometheus:prometheus /var/lib/prometheus

# 8. 创建systemd服务文件

在/etc/systemd/system目录下创建prometheus.service文件，并添加以下内容

[Unit]
Description=Prometheus
Documentation=https://prometheus.io/docs/introduction/overview/
Wants=network-online.target
After=network-online.target

[Service]
User=prometheus
Group=prometheus
Type=simple
ExecStart=/usr/local/bin/prometheus \
    --config.file /etc/prometheus/prometheus.yml \
    --storage.tsdb.path /var/lib/prometheus/
Restart=always

[Install]
WantedBy=multi-user.target

# 9. 启动prometheus服务

启动prometheus服务并设置开机自启动

sudo systemctl daemon-reload
sudo systemctl start prometheus
sudo systemctl enable prometheus

# 10. 查看prometheus服务状态

查看prometheus服务状态，确保服务已经启动

sudo systemctl status prometheus
● prometheus.service - Prometheus
   Loaded: loaded (/etc/systemd/system/prometheus.service; enabled; vendor preset: disabled)
   Active: active (running) since 三 2025-01-08 13:33:50 CST; 22h ago
     Docs: https://prometheus.io/docs/introduction/overview/
 Main PID: 25530 (prometheus)
   CGroup: /system.slice/prometheus.service
           └─25530 /opt/prometheus/prometheus --config.file=/opt/prometheus/prometheus.yml --storage.tsdb.path=/opt/prometheus/data

1月 09 07:00:08 78.174 prometheus[25530]: time=2025-01-08T23:00:08.614Z level=INFO source=db.go:1820 msg="Deleting obsolete block" component=tsdb block=01JH3MKNMXPAZYNKY7QVA0P67T
1月 09 07:00:08 78.174 prometheus[25530]: time=2025-01-08T23:00:08.616Z level=INFO source=db.go:1820 msg="Deleting obsolete block" component=tsdb block=01JH3DQYDK68YV762ZJRA0PBE7
1月 09 07:00:08 78.174 prometheus[25530]: time=2025-01-08T23:00:08.617Z level=INFO source=db.go:1820 msg="Deleting obsolete block" component=tsdb block=01JH36W756FW6A79EBCJ75EFM9
1月 09 09:00:09 78.174 prometheus[25530]: time=2025-01-09T01:00:09.058Z level=INFO source=compact.go:591 msg="write block" component=tsdb mint=1736373608296 maxt=1736380800000 ulid=01JH496VD1N8KXFHD8MWM...222ms ooo=false
1月 09 09:00:09 78.174 prometheus[25530]: time=2025-01-09T01:00:09.062Z level=INFO source=head.go:1371 msg="Head GC completed" component=tsdb caller=truncateMemory duration=3.300087ms
1月 09 11:00:08 78.174 prometheus[25530]: time=2025-01-09T03:00:08.366Z level=INFO source=compact.go:591 msg="write block" component=tsdb mint=1736380808298 maxt=1736388000000 ulid=01JH4G2HZHRGKCM2BKK5S...889ms ooo=false
1月 09 11:00:08 78.174 prometheus[25530]: time=2025-01-09T03:00:08.370Z level=INFO source=head.go:1371 msg="Head GC completed" component=tsdb caller=truncateMemory duration=3.112347ms
1月 09 11:00:08 78.174 prometheus[25530]: time=2025-01-09T03:00:08.371Z level=INFO source=checkpoint.go:99 msg="Creating checkpoint" component=tsdb from_segment=20 to_segment=21 mint=1736388000000
1月 09 11:00:08 78.174 prometheus[25530]: time=2025-01-09T03:00:08.428Z level=INFO source=head.go:1333 msg="WAL checkpoint complete" component=tsdb first=20 last=21 duration=56.524162ms
1月 09 11:59:57 78.174 systemd[1]: Current command vanished from the unit file, execution of the command list won't be resumed.
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