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monit:monitoring_and_maintain_trisul_process
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monit:monitoring_and_maintain_trisul_process [2018/10/03 12:43] dhinesh |
monit:monitoring_and_maintain_trisul_process [2018/10/03 14:49] (current) veera [Monit Trisul Process] |
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| ====== Monit Trisul Process ===== | ====== Monit Trisul Process ===== | ||
| - | You can use Monit to monitor daemon processes or similar programs running on localhost. | + | You can use Monit to monitor daemon processes or similar programs running on localhost. This document explains how you can use monit to keep your Trisul Probe processes running. |
| - | ==== Install Monit on Ubuntu 16.04 ==== | + | <note important>Your Trisul Probe processes should never stop. If you are seeing crashes or memory issues , please read "[[admin:debuggingcrash|Debugging Trisul Probe Crashes]]" and help us debug your setup. This guide is useful when Trisul is in production and you want to ensure uptime. |
| + | |||
| + | </note> | ||
| + | |||
| + | ===== Install Monit on Ubuntu 16.04 ===== | ||
| <code bash> apt-get install monit </code> | <code bash> apt-get install monit </code> | ||
| - | === Edit Configuration === | + | ===== Edit Configuration ===== |
| 1. Open the monitrc configuration file | 1. Open the monitrc configuration file | ||
| Line 16: | Line 20: | ||
| 2. Add following lines at the end of file | 2. Add following lines at the end of file | ||
| + | |||
| <code> | <code> | ||
| - | check process trisul_flushd_context0 with pidfile /usr/local/var/lib/trisul-hub/domain0/hub0/context0/run/flushd.pid | ||
| - | start program = "/usr/local/bin/trisulctl_hub start context context0" | ||
| - | stop program = "/usr/local/bin/trisulctl_hub stop context context0" | ||
| check process trisul_probe_context0 with pidfile /usr/local/var/lib/trisul-probe/domain0/probe0/context0/run/trisul-probe.pid | check process trisul_probe_context0 with pidfile /usr/local/var/lib/trisul-probe/domain0/probe0/context0/run/trisul-probe.pid | ||
| start program = "/usr/local/bin/trisulctl_probe start context context0@probe0" | start program = "/usr/local/bin/trisulctl_probe start context context0@probe0" | ||
| Line 26: | Line 28: | ||
| </code> | </code> | ||
| + | |||
| + | This snippet monitors the trisul probe process and restarts if stopped. | ||
| + | |||
| 3. Restart the monit | 3. Restart the monit | ||
| Line 36: | Line 41: | ||
| <code bash> systemctl enable monit </code> | <code bash> systemctl enable monit </code> | ||
| + | |||
| + | ====== Advanced configuration - email when monit restarts ====== | ||
| + | |||
| + | You can have monit restart stopped processes and email you when that happens. Just copy the following snippet into /etc/monit/monitrc | ||
| ===== Email configuration for monit ===== | ===== Email configuration for monit ===== | ||
| Line 62: | Line 71: | ||
| ===== Sample File ===== | ===== Sample File ===== | ||
| + | <code> | ||
| ############################################################################### | ############################################################################### | ||
| ## Monit control file | ## Monit control file | ||
| Line 362: | Line 372: | ||
| start program = "/usr/local/bin/trisulctl_hub start context default@hub0" | start program = "/usr/local/bin/trisulctl_hub start context default@hub0" | ||
| stop program = "/usr/local/bin/trisulctl_hub stop context default@hub0" | stop program = "/usr/local/bin/trisulctl_hub stop context default@hub0" | ||
| + | </code> | ||
monit/monitoring_and_maintain_trisul_process.1538570638.txt.gz · Last modified: 2018/10/03 12:43 by dhinesh
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