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https://issues.apache.org/jira/browse/MESOS-1747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14118589#comment-14118589
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Don Laidlaw commented on MESOS-1747:
------------------------------------
The private repository is running on the default port: 5000. Therefore, to do a
push into that repository you first have to tag the image with
hostname:5000/repository:vtag. You cannot push into port 5000 without tagging
the image with the port number. A docker push command without a port number
defaults to port 80. So testing without the port number is not realistic. BTW:
if you specify the repository name as my-private-repo/image:tag on a docker
pull, you will be pulling from the docker repository at index.docker.io using
username my-private-repo. That is how that is parsed!
> Docker image parsing for private repositories
> ---------------------------------------------
>
> Key: MESOS-1747
> URL: https://issues.apache.org/jira/browse/MESOS-1747
> Project: Mesos
> Issue Type: Bug
> Components: containerization, slave
> Affects Versions: 0.20.0
> Reporter: Don Laidlaw
> Assignee: Timothy Chen
> Labels: docker
> Fix For: 0.20.1
>
>
> You cannot specify a port number for the host of a private docker repository.
> Specified as follows: {noformat}
> "container": {
> "type": "DOCKER",
> "docker": {
> "image": "docker-repo:5000/app-base:v0.1"
> }
> }
> {noformat}
> results in an error:
> {noformat}
> Aug 29 14:33:29 ip-172-16-2-22 mesos-slave[1128]: E0829 14:33:29.487470 1153
> slave.cpp:2484] Container '250e0479-552f-4e6f-81dd-71550e45adae' for executor
> 't1-java.71d50bd1-2f89-11e4-ba9a-0adfe6b11716' of framework
> '20140829-121838-184684716-5050-1177-0000' failed to start:Not expecting
> multiple ':' in image: docker-repo:5000/app-base:v0.1
> {noformat}
> The message indicates only one colon character is allowed, but to supply a
> port number for a private docker repository host you need to have two colons.
> Also if you use a '-' character in a host name you also get an error:
> {noformat}
> Invalid namespace name (docker-repo), only [a-z0-9_] are allowed, size
> between 4 and 30
> {noformat}
> The hostname parts should not be limited to [a-z0-9_].
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