Upgrade docker-py to its latest version (docker==3.1.1) (#3243)

* Upgrade docker-py to its latest version (1.10.6)

* Hardcode 1.19 as Docker version

* Upgrade to latest possible docker/requests version

* Lint

* Fix import mistake from previous merge

* Fix merge conflict on creating container host config

* Remove unused import

* create_host_config fixed by calling it from the Docker client

* Upgrade docker and requests to their latest versions

readthedocs/doc_builder/environments.py

@@ -14,16 +14,15 @@
 import socket
 from datetime import datetime
 
-from readthedocs.core.utils import slugify
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
-from docker import Client
-from docker.utils import create_host_config
+from docker import APIClient
 from docker.errors import APIError as DockerAPIError, DockerException
 from slumber.exceptions import HttpClientError
 
 from readthedocs.builds.constants import BUILD_STATE_FINISHED
 from readthedocs.builds.models import BuildCommandResultMixin
+from readthedocs.core.utils import slugify
 from readthedocs.projects.constants import LOG_TEMPLATE
 from readthedocs.restapi.client import api as api_v2
 from requests.exceptions import ConnectionError
@@ -723,10 +722,9 @@ def get_client(self):
         """Create Docker client connection."""
         try:
             if self.client is None:
-                self.client = Client(
+                self.client = APIClient(
                     base_url=self.docker_socket,
                     version=DOCKER_VERSION,
-                    timeout=None
                 )
             return self.client
         except DockerException as e:
@@ -778,9 +776,12 @@ def get_container_host_config(self):
                 self.project.pip_cache_path: {
                     'bind': self.project.pip_cache_path,
                     'mode': 'rw',
-                }
+                },
             })
-        return create_host_config(binds=binds)
+        return self.get_client().create_host_config(
+            binds=binds,
+            mem_limit=self.container_mem_limit,
+        )
 
     @property
     def container_id(self):
@@ -839,7 +840,6 @@ def create_container(self):
                 host_config=self.get_container_host_config(),
                 detach=True,
                 environment=self.environment,
-                mem_limit=self.container_mem_limit,
             )
             client.start(container=self.container_id)
         except ConnectionError as e:

readthedocs/rtd_tests/mocks/environment.py

@@ -44,7 +44,7 @@ def __init__(self):
                 'readthedocs.doc_builder.backends.sphinx.EpubBuilder.move'),
             'glob': mock.patch('readthedocs.doc_builder.backends.sphinx.glob'),
 
-            'docker': mock.patch('readthedocs.doc_builder.environments.Client'),
+            'docker': mock.patch('readthedocs.doc_builder.environments.APIClient'),
             'docker_client': mock.Mock(),
         }
         self.mocks = {}

requirements/pip.txt

@@ -68,7 +68,7 @@ stripe==1.20.2
 
 django-formtools==2.1
 django-dynamic-fixture==2.0.0
-docker-py==1.3.1
+docker==3.1.1
 django-textclassifier==1.0
 django-annoying==0.10.4
 django-messages-extends==0.6.0