By default, disable proxy support

This is to avoid a breaking change
Signed-off-by: Corentin Henry <corentinhenry@gmail.com>

docker/api/build.py

@@ -19,7 +19,8 @@ class BuildApiMixin(object):
               forcerm=False, dockerfile=None, container_limits=None,
               decode=False, buildargs=None, gzip=False, shmsize=None,
               labels=None, cache_from=None, target=None, network_mode=None,
-              squash=None, extra_hosts=None, platform=None, isolation=None):
+              squash=None, extra_hosts=None, platform=None, isolation=None,
+              use_config_proxy=False):
         """
         Similar to the ``docker build`` command. Either ``path`` or ``fileobj``
         needs to be set. ``path`` can be a local path (to a directory
@@ -103,6 +104,10 @@ class BuildApiMixin(object):
             platform (str): Platform in the format ``os[/arch[/variant]]``
             isolation (str): Isolation technology used during build.
                 Default: `None`.
+            use_config_proxy (bool): If ``True``, and if the docker client
+                configuration file (``~/.docker/config.json`` by default)
+                contains a proxy configuration, the corresponding environment
+                variables will be set in the container being built.
 
         Returns:
             A generator for the build output.
@@ -168,9 +173,10 @@ class BuildApiMixin(object):
         }
         params.update(container_limits)
 
-        proxy_args = self._proxy_configs.get_environment()
-        for k, v in proxy_args.items():
-            buildargs.setdefault(k, v)
+        if use_config_proxy:
+            proxy_args = self._proxy_configs.get_environment()
+            for k, v in proxy_args.items():
+                buildargs.setdefault(k, v)
         if buildargs:
             params.update({'buildargs': json.dumps(buildargs)})
 

docker/api/container.py

@@ -221,7 +221,8 @@ class ContainerApiMixin(object):
                          working_dir=None, domainname=None, host_config=None,
                          mac_address=None, labels=None, stop_signal=None,
                          networking_config=None, healthcheck=None,
-                         stop_timeout=None, runtime=None):
+                         stop_timeout=None, runtime=None,
+                         use_config_proxy=False):
         """
         Creates a container. Parameters are similar to those for the ``docker
         run`` command except it doesn't support the attach options (``-a``).
@@ -390,6 +391,10 @@ class ContainerApiMixin(object):
             runtime (str): Runtime to use with this container.
             healthcheck (dict): Specify a test to perform to check that the
                 container is healthy.
+            use_config_proxy (bool): If ``True``, and if the docker client
+                configuration file (``~/.docker/config.json`` by default)
+                contains a proxy configuration, the corresponding environment
+                variables will be set in the container being created.
 
         Returns:
             A dictionary with an image 'Id' key and a 'Warnings' key.
@@ -405,7 +410,9 @@ class ContainerApiMixin(object):
 
         if isinstance(environment, dict):
             environment = utils.utils.format_environment(environment)
-        environment = self._proxy_configs.inject_proxy_environment(environment)
+        if use_config_proxy:
+            environment = \
+                self._proxy_configs.inject_proxy_environment(environment)
 
         config = self.create_container_config(
             image, command, hostname, user, detach, stdin_open, tty,

docker/api/exec_api.py

@@ -8,7 +8,8 @@ class ExecApiMixin(object):
     @utils.check_resource('container')
     def exec_create(self, container, cmd, stdout=True, stderr=True,
                     stdin=False, tty=False, privileged=False, user='',
-                    environment=None, workdir=None, detach_keys=None):
+                    environment=None, workdir=None, detach_keys=None,
+                    use_config_proxy=False):
         """
         Sets up an exec instance in a running container.
 
@@ -31,6 +32,10 @@ class ExecApiMixin(object):
                 or `ctrl-<value>` where `<value>` is one of:
                 `a-z`, `@`, `^`, `[`, `,` or `_`.
                 ~/.docker/config.json is used by default.
+            use_config_proxy (bool): If ``True``, and if the docker client
+                configuration file (``~/.docker/config.json`` by default)
+                contains a proxy configuration, the corresponding environment
+                variables will be set in the container being created.
 
         Returns:
             (dict): A dictionary with an exec ``Id`` key.
@@ -50,7 +55,9 @@ class ExecApiMixin(object):
 
         if isinstance(environment, dict):
             environment = utils.utils.format_environment(environment)
-        environment = self._proxy_configs.inject_proxy_environment(environment)
+        if use_config_proxy:
+            environment = \
+                self._proxy_configs.inject_proxy_environment(environment)
 
         data = {
             'Container': container,

docker/models/containers.py

@@ -144,7 +144,8 @@ class Container(Model):
 
     def exec_run(self, cmd, stdout=True, stderr=True, stdin=False, tty=False,
                  privileged=False, user='', detach=False, stream=False,
-                 socket=False, environment=None, workdir=None, demux=False):
+                 socket=False, environment=None, workdir=None, demux=False,
+                 use_config_proxy=False):
         """
         Run a command inside this container. Similar to
         ``docker exec``.
@@ -167,6 +168,10 @@ class Container(Model):
                 ``{"PASSWORD": "xxx"}``.
             workdir (str): Path to working directory for this exec session
             demux (bool): Return stdout and stderr separately
+            use_config_proxy (bool): If ``True``, and if the docker client
+                configuration file (``~/.docker/config.json`` by default)
+                contains a proxy configuration, the corresponding environment
+                variables will be set in the command's environment.
 
         Returns:
             (ExecResult): A tuple of (exit_code, output)
@@ -185,7 +190,7 @@ class Container(Model):
         resp = self.client.api.exec_create(
             self.id, cmd, stdout=stdout, stderr=stderr, stdin=stdin, tty=tty,
             privileged=privileged, user=user, environment=environment,
-            workdir=workdir
+            workdir=workdir, use_config_proxy=use_config_proxy,
         )
         exec_output = self.client.api.exec_start(
             resp['Id'], detach=detach, tty=tty, stream=stream, socket=socket,

docker/utils/proxy.py

@@ -7,7 +7,7 @@ class ProxyConfig(dict):
     '''
     @property
     def http(self):
-        return self['http']
+        return self.get('http')
 
     @http.setter
     def http(self, value):
@@ -15,7 +15,7 @@ class ProxyConfig(dict):
 
     @property
     def https(self):
-        return self['https']
+        return self.get('https')
 
     @https.setter
     def https(self, value):
@@ -23,7 +23,7 @@ class ProxyConfig(dict):
 
     @property
     def ftp(self):
-        return self['ftp']
+        return self.get('ftp')
 
     @ftp.setter
     def ftp(self, value):
@@ -31,7 +31,7 @@ class ProxyConfig(dict):
 
     @property
     def no_proxy(self):
-        return self['no_proxy']
+        return self.get('no_proxy')
 
     @no_proxy.setter
     def no_proxy(self, value):

tests/integration/api_exec_test.py

@@ -20,10 +20,11 @@ class ExecTest(BaseAPIIntegrationTest):
         self.client.start(id)
         self.tmp_containers.append(id)
 
+        cmd = 'sh -c "env | grep -i proxy"'
+
         # First, just make sure the environment variables from the custom
         # config are set
-        res = self.client.exec_create(
-            id, cmd='sh -c "env | grep -i proxy"')
+        res = self.client.exec_create(id, cmd=cmd, use_config_proxy=True)
         output = self.client.exec_start(res).decode('utf-8').split('\n')
         expected = [
             'ftp_proxy=a', 'https_proxy=b', 'http_proxy=c', 'no_proxy=d',
@@ -34,7 +35,7 @@ class ExecTest(BaseAPIIntegrationTest):
         # Overwrite some variables with a custom environment
         env = {'https_proxy': 'xxx', 'HTTPS_PROXY': 'XXX'}
         res = self.client.exec_create(
-            id, cmd='sh -c "env | grep -i proxy"', environment=env)
+            id, cmd=cmd, environment=env, use_config_proxy=True)
         output = self.client.exec_start(res).decode('utf-8').split('\n')
         expected = [
             'ftp_proxy=a', 'https_proxy=xxx', 'http_proxy=c', 'no_proxy=d',

tests/unit/models_containers_test.py

@@ -416,7 +416,7 @@ class ContainerTest(unittest.TestCase):
         client.api.exec_create.assert_called_with(
             FAKE_CONTAINER_ID, "echo hello world", stdout=True, stderr=True,
             stdin=False, tty=False, privileged=True, user='', environment=None,
-            workdir=None
+            workdir=None, use_config_proxy=False,
         )
         client.api.exec_start.assert_called_with(
             FAKE_EXEC_ID, detach=False, tty=False, stream=True, socket=False,
@@ -430,7 +430,7 @@ class ContainerTest(unittest.TestCase):
         client.api.exec_create.assert_called_with(
             FAKE_CONTAINER_ID, "docker ps", stdout=True, stderr=True,
             stdin=False, tty=False, privileged=True, user='', environment=None,
-            workdir=None
+            workdir=None, use_config_proxy=False,
         )
         client.api.exec_start.assert_called_with(
             FAKE_EXEC_ID, detach=False, tty=False, stream=False, socket=False,