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https://issues.apache.org/jira/browse/JCLOUDS-1162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ignasi Barrera resolved JCLOUDS-1162.
-------------------------------------
Resolution: Fixed
Fix Version/s: 2.0.0
> DockerComputeServiceAdapter hides cause of container startup failure
> --------------------------------------------------------------------
>
> Key: JCLOUDS-1162
> URL: https://issues.apache.org/jira/browse/JCLOUDS-1162
> Project: jclouds
> Issue Type: Improvement
> Components: jclouds-compute
> Affects Versions: 2.0.0
> Reporter: Josef Cacek
> Labels: docker
> Fix For: 2.0.0
>
>
> When Docker container startup fails, then the cause is not visible for users,
> because the container is immediately destroyed.
> I see 2 possible solutions/improvements here:
> * add a container config option to not remove the container if the start
> fails (or another possible behavior is to not remove the container at all)
> * if container start fails, then read container logs
> ({{ContainerApi.attach(String, AttachOptions)}}) and log them on some
> suitable level (IMO somewhere between DEBUG and WARN).
> Following code comes from {{DockerComputeServiceAdapter}} and is responsible
> for the current behavior:
> {code}
> logger.debug(">> starting container(%s) with hostConfig(%s)",
> container.id(), hostConfig);
> api.getContainerApi().startContainer(container.id(), hostConfig);
> logger.trace("<< started(%s)", container.id());
> container = api.getContainerApi().inspectContainer(container.id());
> if (container.state().exitCode() != 0) {
> destroyNode(container.id());
> throw new IllegalStateException(String.format("Container %s has not
> started correctly", container.id()));
> }
> // ....
> @Override
> public void destroyNode(String id) {
> api.getContainerApi().removeContainer(id,
> RemoveContainerOptions.Builder.force(true));
> }
> {code}
> [~nacx] Which solution do you prefer (config option to not remove container,
> logging the container logs, both options)?
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