KevinMidboe/ISPDowntimeMonitor
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Completed example for systemd services.

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Kevin
2020-06-09 16:30:33 +02:00
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README.md
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@@ -77,26 +77,25 @@ yarn scrape
This saves a pdf of the page to `pdfExports/` within the project folder, and logs the uptime status to the database. This saves a pdf of the page to `pdfExports/` within the project folder, and logs the uptime status to the database.
# Running as a service # Running as a service
If on any linux platform you should have `systemd` installed. We want to create a service that both runs & restarts our webserver if necessary and want a scheduled job to run for scraping. If running on any linux platform you should have `systemd` installed. We want to create a service that both runs & restarts our webserver if necessary and that runs our scrape command on a scheduled interval.
Remember to replace `YOUR_PROJECT_DIRECTORY` w/ the full path to where you have the `ISPDowntimeMonitor/` folder. Remember to replace `YOUR_PROJECT_DIRECTORY` with the full path to where you have the `ISPDowntimeMonitor/` folder.
Main server start service: Service for running start server command:
``` ```
# /etc/systemd/system/ispmonitor.service # /etc/systemd/system/ispmonitor.service
[Unit] [Unit]
Description=ISP monitor daemon Description=ISP monitor daemon
Wants=isp-scraper.timer
[Service] [Service]
WorkingDirectory=YOUR_PROJECT_DIRECTORY WorkingDirectory=YOUR_PROJECT_DIRECTORY
ExecStart=/usr/bin/yarn start ExecStart=/usr/bin/yarn start
ExecStartPre=/usr/bin/docker start mongodb ExecStartPre=/usr/bin/docker start mongodb
Restart=always
# Restart service after 10 seconds if node service crashes # Restart service after 10 seconds if node service crashes
RestartSec=10 RestartSec=10
Restart=always
# Output to syslog # Output to syslog
StandardOutput=syslog StandardOutput=syslog
@@ -107,15 +106,47 @@ SyslogIdentifier=ispmonitor
WantedBy=multi-user.target WantedBy=multi-user.target
``` ```
Timer service: Timer service for running scrape command:
```
# /etc/systemd/system/isp-scraper.service
[Unit]
Description=Run scraper for isp monitor every 30 minutes.
[Service]
Type=oneshot
WorkingDirectory=YOUR_PROJECT_DIRECTORY
ExecStart=/usr/bin/yarn scrape
# Output to syslog
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=ispmonitor-scraper
[Install]
WantedBy=multi-user.target
```
and
``` ```
# /etc/systemd/system/isp-scraper.timer # /etc/systemd/system/isp-scraper.timer
[Unit] [Unit]
Description=Run scraper for isp monitor every 30 minutes. Description=Run scraper for isp monitor every 30 minutes.
... [Timer]
TODO COMPLETE THIS SETUP OnCalendar=*-*-* *:0/30:0
AccuracySec=1s
[Install]
WantedBy=timers.target
```
To enable both services on startup run:
```bash
sudo systemctl enable ispmonitor.service
sudo systemctl enable ispmonitor-scraper.service
``` ```
# Node and yarn setup # Node and yarn setup