Docker Cookbook

or
"license"
for
more
information
.
>>>
from
docker
import
Client
>>>
c
=
Client
(
base_url
=
"tcp://127.0.0.1:2375"
)
>>>
c
.
containers
()
[]
You can explore the methods available via 
docker-py
by using 
help(c)
at the Python
prompt in the interactive sessions.
Discussion
The 
docker-py
 module has a few basics 
documented
. Of note is the integration with
Boot2Docker (
Recipe 1.7
), which has a helper function to set up the 
connection
.
Since the latest Boot2Docker uses TLS for added security in accessing the Docker
daemon, the setup is slightly different than what we presented. In addition, there is
currently a bug that is worth mentioning for those who will be interested in testing
docker-py
.
124 | Chapter 4: Docker Configuration and Development

---

Start Boot2Docker:
$ boot2docker start
Waiting for VM and Docker daemon to start...
................oooo
Started.
Writing /Users/sebgoa/.boot2docker/certs/boot2docker-vm/ca.pem
Writing /Users/sebgoa/.boot2docker/certs/boot2docker-vm/cert.pem
Writing /Users/sebgoa/.boot2docker/certs/boot2docker-vm/key.pem
To connect the Docker client to the Docker daemon, please set:
export DOCKER_HOST=tcp://192.168.59.103:2376
export DOCKER_CERT_PATH=/Users/sebgoa/.boot2docker/certs/boot2docker-vm
export DOCKER_TLS_VERIFY=1
This returns a set of environment variables that need to be set. Boot2Docker provides
a nice convenience utility, 
$(boot2docker shellinit)
, to set everything up. How‐
ever, for 
docker-py
to work, you need to edit your 
/etc/hosts
file and set a different
DOCKER_HOST
. In 
/etc/hosts
add a line with the IP of 
boot2docker
and its local DNS
name (i.e., 
boot2docker
) and then 
export DOCKER_HOST=tcp://boot2docker:2376
.
Then in a Python interactive shell:
>>>