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Find the Grafana Datasource Id.
To export the metrics from a Grafana Datasource first find the Datasource Id. To find the ID for the desired Grafana Datasource, first, log in to Grafana and next go to Menu→Configuration→Data Sources* and click on the desired Datasource, then the ID is part of the URL
Example URL: https://my.grafana-url.com:port/datasources/edit/31/.
In the Example URL, the ID for the Datasource is 3 1.
*Note: If you cannot reach the Menu→Configuration→Data Sources, it indicates that you do not have necessary access rights to the Grafana. In this case, you need to contact the admin of Grafana and get the necessary access rights.
Run the exporter. A full command should look like this:

Code Block

language	bash

java -jar hivemq-metrics-exporter.jar \
--url "https://my.grafana-url.com:port/grafana" \
-u "myusername" \
-p "mypassword" \
-ds 1 \
-f "tag1=\"mytagvalue1\",tag2=\"mytagvalue2\"" \
--from "2021-08-01T10:00:00Z" \
--to "2021-08-01T19:00:00Z" \
--step 15s

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Name	Description	Required	Example
`--url`	Grafana URL (Without trailing slash)	x	`--url https://my.grafana.url:3000`
`-ds`, `--datasource`	Grafana Datasource ID	x	`-ds 1`
`--from`	Start timestamp in ISO Format. If it ends with `Z` at the end be aware that this means UTC and you might have to correct the timestamp manually to match the local time	x	`--from "2021-08-01T10:00:00Z"`
`--to`	End timestamp in ISO Format. If it ends with `Z` at the end be aware that this means UTC and you might have to correct the timestamp manually to match the local time	x	`--from "2021-08-01T10:00:00Z"`
`-u`, `--user`	Grafana Username		`-u "myusername"`
`-p`, `--password`	Grafana Password. Can be passed as param directly `-p "mypass"` or in interactive mode when not passing a param after `-p`		`-p "mypass"`
`-f`, `--filter`	Prometheus Filter to only pull HiveMQ metrics with specific tags. Example: If you would get the HiveMQ metrics with the query `com_hivemq_messages_retained_current{tagone="valueone", job=~"valuetwo"}` then the filter would be `-f "tagone=\"valueone\", job=~\"valuetwo\""`		`-f "tagone=\"valueone\", job=~\"valuetwo\""`
`--step`	Step size, distance between measured points, should be greater or equal to the prometheus scrape interval. Default: `15s`		`--step 1m`
`--test`	Test Mode, stops after the first metric. Good for testing if the params are correct		`--test`
`-v`	Enable verbose mode, good for debugging. Very verbose !		`-v`

Info

In order to To get help on all available parameters of the command, run the command with the option --help. This will output the full list of available options and values.:

java -jar hivemq-metrics-exporter.jar --help

This will output the full list of available options and values.

Troubleshooting

In case the Datasource Id is unknown, but the name of the Datasource is known, follow the steps of the following article to find the Datasource id by the Datasource name:

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Troubleshooting