# Metrics Server - Influx DB

This is puppet managed:
https://git.psi.ch/linux-infra/hiera/data-lx/blob/master/default/lx-influx-01.psi.ch.yaml

Runs the influxdb backend for the metrics.psi.ch service, as part of the telegraph, influxdb and grafana stack.

Data is stored at `/var/lib/influxdb` "locally" on the virtual machine.
The influx configuration can be found `/etc/influxdb/influxdb.conf`


# Administration Influx Database

Connect to the influx server
```bash
ssh influx.psi.ch
```

Connect to the influx database:
```bash
influx
```

Now you should have the prompt of the influx cli client


Show all databases
```bash
show databases
```

Switch to a database:
```bash
use "database_name"
```

Show all measurements
```bash
show measurements
```

Show all series (of all measurements)
```bash
show series
```

Show all series for a particular host:
```bash
show series where "host" = 'lx-puppet-01.psi.ch'
```

Delete all series for a particular host:
```
DROP SERIES FROM /.*/ WHERE "host" = 'lx-puppet-01.psi.ch'
```