Fixed #135

defaults/main.yml

@@ -123,8 +123,8 @@ docker_stack: false
 docker_additional_packages_pip: []
 # Additional OS packages to install after Docker is configured and started.
 docker_additional_packages_os: []
-# Ensure PiP is upgraded before further use.
-# IMPORTANT! Be carful to set this because it might cause dependecy problems.
+# Forces a PiP upgraded before further use.
+# IMPORTANT! Be carful to set this because it might cause dependency problems.
 docker_pip_upgrade: false
 # This variable is used when docker_pip_upgrade is true to upgrade/reinstall pip.
 # Override if you want older version than latest during upgrade, e.g. pip==19.3.1
@@ -146,6 +146,10 @@ docker_x_fix_no_zipp_module: true
 # Workaround for - No module named shutil_get_terminal_size
 # https://github.com/haxorof/ansible-role-docker-ce/issues/121
 docker_x_shutil_get_terminal_size: true
+# Experimental - ensure that PiP is not upgraded automatically
+# Setting this to true will break installation of some parts
+# e.g. Python based docker-compose.
+docker_x_skip_pip_auto_upgrade: false
 
 ################################################################################
 # Docker removal configuration

tasks/postinstall.yml

@@ -123,13 +123,15 @@
         docker_pip_upgrade: true
       when:
         - docker_x_fix_no_zipp_module
+        - not docker_x_skip_pip_auto_upgrade | bool
         - (_pip_version.stdout_lines[0] | regex_replace('^pip\s(\d+\.\d+).+$', '\\1')) is version('9.0', '<')
 
     - name: Set PiP to be upgraded due to Rust depencency for cryptography
       set_fact:
         docker_pip_upgrade: true
       when:
         - _docker_python3 | bool
+        - not docker_x_skip_pip_auto_upgrade | bool
         - (_pip_version.stdout_lines[0] | regex_replace('^pip\s(\d+\.\d+).+$', '\\1')) is version('21.0', '<')
   when:
     - _pip_version is defined
@@ -143,6 +145,7 @@
     docker_pip_package_pip: "{{ docker_pip_package_pip }}<21"
   when:
     - (not _docker_python3 | bool) or (_docker_os_dist == "Ubuntu" and _docker_os_dist_major_version | int < 18)
+    - not docker_x_skip_pip_auto_upgrade | bool
     - docker_pip_upgrade | bool
 
 - name: Upgrade/Reinstall PiP