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https://issues.apache.org/jira/browse/MESOS-7709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16112370#comment-16112370
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Qian Zhang commented on MESOS-7709:
-----------------------------------
commit ebfccf4ea12ccc4b02700b44e69ab17affd50019
Author: Qian Zhang <[email protected]>
Date: Wed Jun 28 14:10:01 2017 +0800
Introduced `--default_container_dns` agent flag.
Review: https://reviews.apache.org/r/60500
commit 48b5ef036905ae5a112af26ab6985953f8179c8c
Author: Qian Zhang <[email protected]>
Date: Wed Jun 28 22:26:02 2017 +0800
Passed default container DNS info to Docker executor.
Review: https://reviews.apache.org/r/60557
commit 3da83b3318a612b3bbf1223fbafe506c1ed4bcc4
Author: Qian Zhang <[email protected]>
Date: Fri Jun 30 09:53:41 2017 +0800
Set container DNS with `--default_container_dns` in Docker executor.
Review: https://reviews.apache.org/r/60558
commit cf841cdd482d78e2872f04539cf82d151dffd689
Author: Qian Zhang <[email protected]>
Date: Mon Jul 24 14:38:22 2017 +0800
Set container DNS with `--default_container_dns` in DockerContainerizer.
Review: https://reviews.apache.org/r/61075
commit 30b49016adc30a9598d426ee35af14ee73963f77
Author: Qian Zhang <[email protected]>
Date: Mon Jul 3 21:50:17 2017 +0800
Set container DNS with `--default_container_dns` in CNI isolator.
Review: https://reviews.apache.org/r/60600
commit 28faca0ae2b3aeeddd078a978f4b7b2483d03c20
Author: Qian Zhang <[email protected]>
Date: Tue Jul 11 14:41:17 2017 +0800
Parsed DNS related info from the output of `docker inspect`.
Review: https://reviews.apache.org/r/60760
commit d67595cdeff45f54aa227e5ae33afe6b7ac1c53a
Author: Qian Zhang <[email protected]>
Date: Tue Jul 11 16:58:43 2017 +0800
Added a test `DockerContainerizerTest.ROOT_DOCKER_DefaultDNS`.
Review: https://reviews.apache.org/r/60761
commit 18ad7fb7473849ba67b1ff007e2d131556eb42d8
Author: Qian Zhang <[email protected]>
Date: Wed Jul 12 14:48:08 2017 +0800
Added a test `DefaultContainerDNSCniTest.ROOT_VerifyDefaultDNS`.
Review: https://reviews.apache.org/r/60793
commit 01e5bc386c744aa5e9976935674639595557a760
Author: Qian Zhang <[email protected]>
Date: Sun Jul 30 23:29:10 2017 +0800
Added a test `DefaultContainerDNSFlagTest.ValidateFlag`.
Review: https://reviews.apache.org/r/61245
> Add --default_container_dns flag to the agent.
> ----------------------------------------------
>
> Key: MESOS-7709
> URL: https://issues.apache.org/jira/browse/MESOS-7709
> Project: Mesos
> Issue Type: Task
> Components: containerization
> Reporter: Avinash Sridharan
> Assignee: Qian Zhang
> Labels: mesosphere
>
> Mesos support both CNI (through `network/cni` isolator) and CNM (through
> docker) specification. Both these specifications allow for DNS entries for
> containers to be set on a per-container, and per-network basis.
> Currently, the behavior of the agent is to use the DNS nameservers set in
> /etc/resolv.conf when the CNI or CNM plugin that is used to attached the
> container to the CNI/CNM network doesnt' explicitly set the DNS for the
> container. This is a bit inflexible especially when we have a mix of v4 and
> v6 networks.
> The operator should be able to specify DNS nameservers for the networks he
> installs either the override the ones provided by the plugin or as defaults
> when the plugins are not going to specify DNS name servers.
> In order to achieve the above goal we need to introduce a `\--dns` flag to
> the agent. The `\--dns` flag should support a JSON (or a JSON file) with the
> following schema:
> {code}
> {
> "mesos": [
> {
> "network" : <name of the network>,
> "nameservers": [<list of name servers (upto 3)>]
> }
> ],
> "docker": [
> {
> "network" : <name of the network>,
> "nameservers": [<list of name servers (upto 3)>]
> }
> ]
> }
> {code}
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