Friday, January 9, 2015

Pushing Images into private Docker-Registry

Pushing to a Private Docker.

Configure CoreOs to use the Private Docker Registry

To use the Private Registry in the coreos we need to Copy the CA certificate from the registry server to the Coreos Docker server.
Copy the CA certificate to /etc/ssl/certs/docker-registry.pem as pem .
now update the Certificate list using command
>>sudo update-ca-certificates

Let our private docker be https://docker-registry:8080

In the Docker Server.
Listing the Images.
core@coreos ~ $ docker images
REPOSITORY                      TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
centos                          6                   510cf09a7986        3 days ago          215.8 MB
centos                          centos6             510cf09a7986        3 days ago          215.8 MB

List the Running Docker's
core@coreos ~ $ docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                                        NAMES
4867ea72bd6a        centos:6            "/bin/bash"         41 minutes ago      Up 41 minutes       0.0.0.0:2221->22/tcp, 0.0.0.0:8080->80/tcp   boring_babbage

Commit the Docker
core@coreos ~ $ docker commit 4867ea72bd6a dockeradmin/centos-wordpress
9d1b81492b51653710745cad6614444d16b78551981ec44a53804b196b683fdb

Check Whether the image of new contianer is ready
core@coreos ~ $ docker images
REPOSITORY                      TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
dockeradmin/centos-wordpress    latest              9d1b81492b51        4 minutes ago       591.3 MB
centos                          6                   510cf09a7986        3 days ago          215.8 MB
centos                          centos6             510cf09a7986        3 days ago          215.8 MB

Tag the Container to the name format <private-registry>/<repo-name>
core@coreos ~ $ docker tag dockeradmin/centos-wordpress dockerregistry:8080/wordpress
core@coreos ~ $ docker images
REPOSITORY                      TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
dockeradmin/centos-wordpress    latest              9d1b81492b51        4 minutes ago       591.3 MB
dockerregistry:8080/wordpress   latest              9d1b81492b51        4 minutes ago       591.3 MB
centos                          6                   510cf09a7986        3 days ago          215.8 MB
centos                          centos6             510cf09a7986        3 days ago          215.8 MB

Try Loging in to the Docker-Registry
core@coreos ~ $ docker login https://dockerregistry:8080
Username (dockeradmin):
Login Succeeded

Finally Pushing into the Registry. 
core@coreos ~ $ docker push dockerregistry:8080/wordpress
The push refers to a repository [dockerregistry:8080/wordpress] (len: 1)
Sending image list
Pushing repository dockerregistry:8080/wordpress (1 tags)
511136ea3c5a: Image successfully pushed
5b12ef8fd570: Image successfully pushed
510cf09a7986: Image successfully pushed
9d1b81492b51: Image successfully pushed
Pushing tag for rev [9d1b81492b51] on {https://dockerregistry:8080/v1/repositories/wordpress/tags/latest}

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