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update mqtt_service systemd unit file to tag logs and give other logg… #623

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Jan 6, 2017
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update mqtt_service systemd unit file to tag logs and give other logg… #623

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update mqtt_service systemd unit file to tag logs and give other logg… 
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@glynhudson
glynhudson committed Jan 6, 2017
commit 5a2055c35638ea304b487686048585f50b578da0
7 changes: 6 additions & 1 deletion docs/RaspberryPi/MQTT.md
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Original file line number Diff line number Diff line change
Expand Up @@ -53,11 +53,12 @@ sudo systemctl daemon-reload
sudo systemctl enable mqtt_service
```

Start / stop with:
Start / stop / restart with:

```
sudo systemctl start mqtt_input
sudo systemctl stop mqtt_input
sudo systemctl restart mqtt_input
```

View status / log with:
Expand All @@ -66,6 +67,10 @@ View status / log with:

*Where -nX is the number of log lines to view*

Log can be viewed as text and standrd text manipulation tools can be applied:

`sudo journalctl -f -u mqtt_input -o cat | grep emontx`

## Node format

#### emoncms as a publisher
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12 changes: 12 additions & 0 deletions scripts/mqtt_input.service
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Expand Up @@ -14,6 +14,7 @@
# VIEW STATUS / LOG
# sudo systemctl status mqtt_input -n50
# where -nX is the number of log lines to view
# sudo journalctl -f -u mqtt_input -o cat | grep emontx

###
#
Expand All @@ -29,15 +30,26 @@
[Unit]
Description=Emoncms MQTT Input Script
After=mosquitto.service mysql.service redis.service
Documentation=https://github.com/emoncms/emoncms/blob/master/docs/RaspberryPi/MQTT.md

[Service]
Type=idle
ExecStart=/usr/bin/php /var/www/emoncms/scripts/phpmqtt_input.php

Uncomment instead of above to use standard log file, else use systemd log
# ExecStart=/usr/bin/php /var/www/emoncms/scripts/phpmqtt_input.php > /var/log/mqtt_input.log 2>&1

# Restart script if stopped
Restart=always
# Wait 60s before restart
RestartSec=60

# Tag things in the log
# View with: sudo journalctl -f -u mqtt_input -o cat
SyslogIdentifier=mqtt_input

# Un-comment to pipe log to syslog
#StandardOutput=syslog

[Install]
WantedBy=multi-user.target