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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2020/06/25 11:13:00 UTC
[GitHub] [druid] jp707049 opened a new issue #10078: How to use `environment variables` in runtime.properties?
jp707049 opened a new issue #10078:
URL: https://github.com/apache/druid/issues/10078
Hello,
- We've have an env variable defined in a node called `DRUID_HOST` which points to the actual hostname of the node.
- How can we use `DRUID_HOST` in runtime.properties of a druid service?
I tried the below way but didn't work.
```
druid.host={"type":"environment","variable":"DRUID_HOST"}
```
Thank you,
Jeet
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[GitHub] [druid] FrankChen021 commented on issue #10078: How to use environment variables in runtime.properties?
Posted by GitBox <gi...@apache.org>.
FrankChen021 commented on issue #10078:
URL: https://github.com/apache/druid/issues/10078#issuecomment-651454320
You can try to add `-Ddruid.host=$DRUID_HOST` to the java launch command line in `run-druid` shell file under `bin` directory. Or you could add that property to ` jvm.config` file for each druid node.
I've never tried that, hope it works.
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[GitHub] [druid] jp707049 commented on issue #10078: How to use environment variables in runtime.properties?
Posted by GitBox <gi...@apache.org>.
jp707049 commented on issue #10078:
URL: https://github.com/apache/druid/issues/10078#issuecomment-652285832
Great,
I will check and update here soon using your first method.
Thanks :)
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[GitHub] [druid] jp707049 commented on issue #10078: How to use environment variables in runtime.properties?
Posted by GitBox <gi...@apache.org>.
jp707049 commented on issue #10078:
URL: https://github.com/apache/druid/issues/10078#issuecomment-651590132
Hi,
- I tried using `-Ddruid.host=$DRUID_HOST` in jvm.config but it did not work. Instead the service set the `host=$DRUID_HOST` instead of using value.
- I did a workaround, before running a service, I created a script which will get the value of DRUID_HOST and adds it to `druid.host` property
- Although it would be good if Druid support using env variables.
Thank you,
Jeet
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[GitHub] [druid] jp707049 closed issue #10078: How to use environment variables in runtime.properties?
Posted by GitBox <gi...@apache.org>.
jp707049 closed issue #10078:
URL: https://github.com/apache/druid/issues/10078
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[GitHub] [druid] FrankChen021 commented on issue #10078: How to use environment variables in runtime.properties?
Posted by GitBox <gi...@apache.org>.
FrankChen021 commented on issue #10078:
URL: https://github.com/apache/druid/issues/10078#issuecomment-652251590
I checked the `run-druid` file, putting environment variables in `jvm.config` won't take effect.
But you can try the first method I mention above, that is putting `-Ddruid.host=$DRUID_HOST` in [`run-druid`] (https://github.com/apache/druid/blob/d3497a6581c69f810090f5180f1f18328b06c781/examples/bin/run-druid#L45) as below
````
exec "$JAVA_BIN"/java -Ddruid.host=$DRUID_HOST ...
````
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[GitHub] [druid] jp707049 commented on issue #10078: How to use environment variables in runtime.properties?
Posted by GitBox <gi...@apache.org>.
jp707049 commented on issue #10078:
URL: https://github.com/apache/druid/issues/10078#issuecomment-653775786
Using `run-druid` example worked :)
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