Disable IPv6 in Docker container from Java

Question

I need to disable IPv6 when starting a Docker container from Java code. Using the command line, it is as follows:

docker run --sysctl net.ipv6.conf.all.disable_ipv6=1 ...

Is it possible to do the same but using Java with Spotify's docker-client?
As alternative solution... would it be possible to do with docker-java?

Possible duplicate of How can I disable IPv6 stack use for IPv4 IPs on JRE? — juanlumn
– juanlumn, Commented Aug 2, 2018 at 9:39
@juanlumn My question is related with the use of Docker from Java. — Boni García
– Boni García, Commented Aug 2, 2018 at 9:50
@MichaelHampton My target application is not Java, in fact it is a browser in a Docker container. I want to change the settings of that container using a Java library (docker-client or docker-java) but it seems it is not possible. At least I didn't find how, for that reason I'm asking. — Boni García
– Boni García, Commented Aug 2, 2018 at 12:48
It doesn't appear that either of those clients supports setting sysctls on a container. Consider submitting an issue, or better, a pull request. — Michael Hampton
– Michael Hampton, Commented Aug 2, 2018 at 13:00

amihaiemil · Accepted Answer · 2018-11-27 08:24:40Z

0

I think you should be able to do that with our docker-java-api (see Wiki and the linked blog post for details about it): https://www.github.com/amihaiemil/docker-java-api

In principle, it should be as simple as:

final Docker docker = new LocalDocker(...); //or new RemoteDocker(...);
final Container container = docker.containers().create(/*javax.json.JsonObject config*/);

Of course, you have to study the Docker API documentation in order to see what format the JsonObject should have (it should accept config about IpV 6 as well).

answered Nov 27, 2018 at 8:24

amihaiemil

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Himanshu Dave · Accepted Answer · 2020-03-13 09:41:08Z

0

Please follow this -

https://github.com/spotify/docker-client/blob/2966b5cad6568d3c1b23f8891fbecab110834785/src/test/java/com/spotify/docker/client/DefaultDockerClientTest.java

 final NetworkConfig networkConfig =
        NetworkConfig.builder().name(networkName).driver("bridge").checkDuplicate(true).ipam(ipam)
            .internal(false).enableIPv6(false).labels(labels)
            .build();

answered Mar 13, 2020 at 9:41

Himanshu Dave

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