Grafana_Prometheus

정의

그라파나는 오픈소스로 열려있는 모니터링 툴이며

프로메테우스와 같이 붙어다니는 경우가 많음

 

 

설치

#설치
wget https://dl.grafana.com/oss/release/grafana-<version>.linux-amd64.tar.gz
 
#압축 해제
tar -zxvf grafana-<version>.linux-amd64.tar.gz
 
#디렉토리 설정
sudo mv grafana-<version> /usr/local/grafana
 
#config 파일 입력
sudo nano /usr/local/grafana/conf/grafana.ini

configuration ( grafana.ini )

[server]
http_port = 3000
protocol = http
domain = localhost
root_url = %(protocol)s://%(domain)s:%(http_port)s/
 
[database]
type = sqlite3
path = data/grafana.db
 
[security]
admin_user = admin
admin_password = admin

Server

 

Field	Description
http_port	The port that the Grafana server should listen on.
protocol	The protocol (http or https) that the Grafana server should use.
domain	The domain or hostname that the Grafana server should respond to.
root_url	The base URL of the Grafana server.
enforce_domain	If true, only requests to the specified domain will be accepted
serve_from_sub_path	The subpath to serve Grafana from.
router_logging	Enable router request logging.
static_root_path	The path to the static files, used for the frontend.
enable_gzip	Enable gzip compression of responses.

Database

 

Field	Description
type	The type of database that Grafana should use (e.g. sqlite3, mysql, etc.)
path	The location of the database file (for sqlite3)
host	The hostname of the database server.
name	The name of the database.
user	The username to use when connecting to the database.
password	The password to use when connecting to the database.
ssl_mode	When set to "require", Grafana will require SSL

 

Analytics

 

Field	Description
reporting_enabled	Enable sending usage statistics to Grafana Labs.

Paths

 

Field	Description
data	The directory where Grafana stores the SQLite3 database and other data.
logs	The directory where Grafana stores its log files.
plugins	The directory where Grafana stores its plugins.
provisioning	The directory where provisioning files are stored.
temp	The directory used for temporary files.

Security

FieldDescription

Field	Description
admin_user	The username of the initial admin user.
admin_password	The password of the initial admin user.
login_remember_days	Number of days the remember me cookie should be valid for.
secret_key	The key to use for encrypting secure cookies.
cookie_username	The name of the cookie that stores the username.
cookie_remember_name	The name of the cookie that stores the remember me token.
cookie_secure	If true, the cookies will only be sent over https.
disable_gravatar	If true, Grafana will not try to load gravatars.
allow_embedding	Allow embedding grafana in iframes.

Log

FieldDescription

Field	Description
mode	The log mode (console or file)
level	The log level (debug, info, warn, or error)
filenames	The names of the log files (when using file mode)
format	The log format (logfmt, json, or text)

SMTP

FieldDescription

Field	Description
enabled	Enable sending email notifications.
host	The hostname of the SMTP server.
user	The username to use when authenticating to the SMTP server.
password	The password to use when authenticating to the SMTP server.
from_address	The email address to use as the "from" address for notifications.
from_name	The name to use as the "from" name for notifications.

 

Alerting

FieldDescription

Field	Description
enabled	Enable alerting engine.
execute_alerts	Execute alerts even if alerting engine is disabled.
alert_relabel_configs	Array of alert relabel configs
pagerduty_enabled	Enable PagerDuty notifications.
pagerduty_service_key	PagerDuty service key
alert_timezone	Timezone for alert evaluation and notifications.
slack_enabled	Enable Slack notifications.
slack_webhook_url	Slack webhook URL.

 

 

 

실행

Prometheus 가 /usr/local/bin 에 존재하고 Grafana가 /usr/sbin 에 있다는 가정

#서비스 등록
sudo nano /etc/systemd/system/grafana-server.service
 
#grafana-server.service
#=======================
[Unit]
Description=Grafana
Wants=network-online.target
After=network-online.target
 
[Service]
User=grafana
Group=grafana
Type=simple
ExecStart=/usr/local/grafana/bin/grafana-server -config /usr/local/grafana/conf/grafana.ini
 
[Install]
WantedBy=multi-user.target
#====================
 
#서비스 시작 및 스타트업 서비스 등록
sudo systemctl daemon-reload
sudo systemctl start grafana-server
sudo systemctl status grafana-server
sudo systemctl enable grafana-server

Grafana는 웹 인터페이스를 제공함

http://<grafana_host>:<grafana_port> 포맷을 가지는 것이 보통이며

기본적으로는 http://localhost:3000를 이용함

해당 웹 UI 에서 Create a New Source 프로메테우스의 Metric을 가져올 수 있음
http://<prometheus_host>:<prometheus_port> 과 같은 형식으로 프로메테우스 소스를 지정함

 

 

 

 

참고링크

 

https://prometheus.io/docs/visualization/grafana/