8 files changed, 17 insertions, 14 deletions
diff --git a/python-dockering/ChangeLog.md b/python-dockering/ChangeLog.md
index d63a413..d471c85 100644
--- a/python-dockering/ChangeLog.md
+++ b/python-dockering/ChangeLog.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/) 
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.4.1]
+
+* Upgrade to use docker 4.x.x from docker-py 1.x.x
+
 ## [1.4.0]
 
 * Turn off cert verification for https healthchecks.  See comments in the code.
diff --git a/python-dockering/dockering/config_building.py b/python-dockering/dockering/config_building.py
index 08fd1c0..144131e 100644
--- a/python-dockering/dockering/config_building.py
+++ b/python-dockering/dockering/config_building.py
@@ -65,7 +65,7 @@ def create_envs_healthcheck(docker_config, default_interval="15s",
         # server cert verification because the hostname is actually the ip
         # address.
         envs["SERVICE_CHECK_TLS_SKIP_VERIFY"] = "true"
-        utils.logger.warn("Https-based health checks may not work because Registrator issue #516")
+        utils.logger.warning("Https-based health checks may not work because Registrator issue #516")
     elif hc["type"] == "script":
         envs["SERVICE_CHECK_SCRIPT"] = hc["script"]
     elif hc["type"] == "docker":
diff --git a/python-dockering/dockering/core.py b/python-dockering/dockering/core.py
index d82e346..b70aabb 100644
--- a/python-dockering/dockering/core.py
+++ b/python-dockering/dockering/core.py
@@ -34,7 +34,7 @@ def create_client(hostname, port, reauth=False, logins=[]):
     """
     base_url = "tcp://{0}:{1}".format(hostname, port)
     try:
-        client = docker.Client(base_url=base_url)
+        client = docker.APIClient(base_url=base_url)
 
         for dcl in logins:
             dcl["reauth"] = reauth
diff --git a/python-dockering/pom.xml b/python-dockering/pom.xml
index 887266d..96a05be 100644
--- a/python-dockering/pom.xml
+++ b/python-dockering/pom.xml
@@ -27,7 +27,7 @@ limitations under the License.
   <groupId>org.onap.dcaegen2.utils</groupId>
   <artifactId>python-dockering</artifactId>
   <name>dcaegen2-utils-python-dockering</name>
-  <version>1.1.0-SNAPSHOT</version>
+  <version>1.4.1-SNAPSHOT</version>
   <url>http://maven.apache.org</url>
 
   <properties>
diff --git a/python-dockering/setup.py b/python-dockering/setup.py
index 45da8de..9e32b72 100644
--- a/python-dockering/setup.py
+++ b/python-dockering/setup.py
@@ -23,14 +23,14 @@ from setuptools import setup
 setup(
     name='onap-dcae-dockering',
     description='Library used to manage Docker containers in DCAE',
-    version="1.4.0",
+    version="1.4.1",
     license='Apache 2',
     author="Michael Hwang",
     email="mhwang@research.att.com",
     packages=['dockering'],
     zip_safe=False,
     install_requires=[
-        "docker-py>=1.0.0,<2.0.0",
+        "docker>=4.0.0,<5.0.0",
         "six"
     ]
 )
diff --git a/python-dockering/tests/test_config_building.py b/python-dockering/tests/test_config_building.py
index 16ecb58..c1df84a 100644
--- a/python-dockering/tests/test_config_building.py
+++ b/python-dockering/tests/test_config_building.py
@@ -26,20 +26,20 @@ from dockering.exceptions import DockerConstructionError
 
 # The docker-py library sneakily expects version to "know" that there is an
 # actual Docker API that you can connect with.
-DOCKER_API_VERSION = "1.24"
-create_host_config = partial(docker.utils.utils.create_host_config,
+DOCKER_API_VERSION = "auto"
+HostConfig = partial(docker.types.HostConfig,
         version=DOCKER_API_VERSION)
 
 def test_add_host_config_params_volumes():
     hcp = doc.add_host_config_params_volumes()
-    hc = create_host_config(**hcp)
+    hc = HostConfig(**hcp)
     expected = { 'NetworkMode': 'default' }
     assert expected == hc
 
     volumes = [{"host": {"path": "some-path-host"},
         "container": {"bind": "some-path-container", "mode": "ro"}}]
     hcp = doc.add_host_config_params_volumes(volumes=volumes)
-    hc = create_host_config(**hcp)
+    hc = HostConfig(**hcp)
     expected = {'Binds': ['some-path-host:some-path-container:ro'], 'NetworkMode': 'default'}
     assert expected == hc
 
@@ -47,13 +47,13 @@ def test_add_host_config_params_volumes():
 def test_add_host_config_params_ports():
     ports = [ "22:22", "80:80" ]
     hcp = doc.add_host_config_params_ports(ports=ports)
-    hc = create_host_config(**hcp)
+    hc = HostConfig(**hcp)
     expected = {'PortBindings': {'22/tcp': [{'HostPort': '22', 'HostIp': ''}],
         '80/tcp': [{'HostPort': '80', 'HostIp': ''}]}, 'NetworkMode': 'default'}
     assert expected == hc
 
     hcp = doc.add_host_config_params_ports()
-    hc = create_host_config(**hcp)
+    hc = HostConfig(**hcp)
     expected = {'NetworkMode': 'default', 'PublishAllPorts': True}
     assert expected == hc
 
@@ -61,7 +61,7 @@ def test_add_host_config_params_ports():
 def test_add_host_config_params_dns():
     docker_host = "192.168.1.1"
     hcp = doc.add_host_config_params_dns(docker_host)
-    hc = create_host_config(**hcp)
+    hc = HostConfig(**hcp)
     expected = {'NetworkMode': 'default', 'DnsSearch': ['service.consul'],
             'Dns': ['192.168.1.1'], 'ExtraHosts': ['consul:192.168.1.1']}
     assert expected == hc
diff --git a/python-dockering/tests/test_core.py b/python-dockering/tests/test_core.py
index 76e027b..08cadfc 100644
--- a/python-dockering/tests/test_core.py
+++ b/python-dockering/tests/test_core.py
@@ -20,7 +20,6 @@
 import os
 from functools import partial
 import pytest
-import docker
 from dockering import core as doc
 from dockering.exceptions import DockerError, DockerConnectionError
 
diff --git a/python-dockering/tox.ini b/python-dockering/tox.ini
index 71de279..4a4d41e 100644
--- a/python-dockering/tox.ini
+++ b/python-dockering/tox.ini
@@ -1,6 +1,6 @@
 # content of: tox.ini , put in same dir as setup.py
 [tox]
-envlist = py27,py35
+envlist = py27,py36
 
 [testenv]
 deps=