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Prometheus监控之Blackbox_exporter
source link: https://blog.51cto.com/u_13236892/5930363
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Prometheus监控之Blackbox_exporter
精选 原创Blackbox_exporter是Prometheus官方提供的一个exporter，可以监控HTTP，HTTPS，DNS，TCP，ICMP和gRPC等目标实例，从而实现对被监控节点进行监控和数据采集。
下载地址：
https://github.com/prometheus/blackbox_exporter
tar -xvf blackbox_exporter-0.22.0.linux-amd64.tar.gz
mv blackbox_exporter-0.22.0.linux-amd64 blackbox_exporter
/usr/local/blackbox_exporter/blackbox_exporter \
--config.file="/usr/local/blackbox_exporter/blackbox.yml" \
--web.listen-address="10.10.10.10:9115" &>blackbox_exporter.log &
启动参数有
--web.config.file="" #就可以配置TLS
--web.listen-address="10.10.10.10:9115" #指定ip和端口
设置开机自启
vi /usr/lib/systemd/system/blackbox_exporter.service
[Unit]
Description=Prometheus blackbox exporter
After=network.target
[Service]
Type=simple
User=root
Group=root
Restart=on-failure
ExecStart=/usr/local/blackbox_exporter/blackbox_exporter \
--config.file="/usr/local/blackbox_exporter/blackbox.yml" \
--web.listen-address="10.10.10.10:9115"
[Install]
WantedBy=multi-user.target
systemctl daemon-reload
systemctl restart blackbox_exporter.service
下载地址：
https://github.com/prometheus/blackbox_exporter
tar -xvf blackbox_exporter-0.22.0.linux-amd64.tar.gz
mv blackbox_exporter-0.22.0.linux-amd64 blackbox_exporter
/usr/local/blackbox_exporter/blackbox_exporter \
--config.file="/usr/local/blackbox_exporter/blackbox.yml" \
--web.listen-address="10.10.10.10:9115" &>blackbox_exporter.log &
启动参数有
--web.config.file="" #就可以配置TLS
--web.listen-address="10.10.10.10:9115" #指定ip和端口
设置开机自启
vi /usr/lib/systemd/system/blackbox_exporter.service
[Unit]
Description=Prometheus blackbox exporter
After=network.target
[Service]
Type=simple
User=root
Group=root
Restart=on-failure
ExecStart=/usr/local/blackbox_exporter/blackbox_exporter \
--config.file="/usr/local/blackbox_exporter/blackbox.yml" \
--web.listen-address="10.10.10.10:9115"
[Install]
WantedBy=multi-user.target
systemctl daemon-reload
systemctl restart blackbox_exporter.service
blackbox_exporter的监控，包括URL，ICMP，TCP等。都是先在prometheus设置监控内容，再转发到blackbox_exporter的地址，最后得出监控结果。
1、URL监控
在prometheus服务器添加url监控工作，末尾指定blackbox_exporter地址：
scrape_configs:
- job_name: 'blackbox'
metrics_path: /probe
params:
module: [http_2xx] # Look for a HTTP 200 response.
static_configs:
- targets:
- http://baidu.com # Target to probe with http.
- https://baidu.com # Target to probe with https.
- http://example.com:8080 # Target to probe with http on port 8080.
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: 10.10.10.10:9115 # The blackbox exporter's real hostname:port.
在blackbox_exporter服务器查看最近URL探测：
scrape_configs:
- job_name: 'blackbox'
metrics_path: /probe
params:
module: [http_2xx] # Look for a HTTP 200 response.
static_configs:
- targets:
- http://baidu.com # Target to probe with http.
- https://baidu.com # Target to probe with https.
- http://example.com:8080 # Target to probe with http on port 8080.
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: 10.10.10.10:9115 # The blackbox exporter's real hostname:port.
在blackbox_exporter服务器查看最近URL探测：
2、ICPM监控
ICMP就是Ping使用的协议，可以探测IP是否在线：
scrape_configs:
- job_name: 'ping_status'
metrics_path: /probe
params:
module: [icmp]
static_configs:
- targets:
- 192.168.10.131
- 192.168.10.132
- 192.168.10.133
labels:
instance: 'ping_status'
group: 'icmp'
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: ip
- target_label: __address__
replacement: 10.10.10.10:9115
在blackbox_exporter服务器查看最近ICMP探测：
scrape_configs:
- job_name: 'ping_status'
metrics_path: /probe
params:
module: [icmp]
static_configs:
- targets:
- 192.168.10.131
- 192.168.10.132
- 192.168.10.133
labels:
instance: 'ping_status'
group: 'icmp'
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: ip
- target_label: __address__
replacement: 10.10.10.10:9115
在blackbox_exporter服务器查看最近ICMP探测：
3、PORT监控
Port端口用于检测服务器端口是否开启，服务是否可用：
scrape_configs:
- job_name: 'port_status'
metrics_path: /probe
params:
module: [tcp_connect]
static_configs:
- targets: ['192.168.10.131:22','192.168.10.132:3306','192.168.10.133:8080']
labels:
instance: 'port_status'
group: 'port'
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: ip
- target_label: __address__
replacement: 10.10.10.10:9115
在blackbox_exporter服务器查看最近Port探测：
scrape_configs:
- job_name: 'port_status'
metrics_path: /probe
params:
module: [tcp_connect]
static_configs:
- targets: ['192.168.10.131:22','192.168.10.132:3306','192.168.10.133:8080']
labels:
instance: 'port_status'
group: 'port'
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: ip
- target_label: __address__
replacement: 10.10.10.10:9115
在blackbox_exporter服务器查看最近Port探测：
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