Fixes for modern Python3 packaging and Ansible 2.14

ansible/roles/brozzler-dashboard/tasks/main.yml

@@ -9,7 +9,7 @@
     name: '{{brozzler_pip_name}}[dashboard]'
     virtualenv: '{{venv_root}}/brozzler-dashboard-ve3'
     virtualenv_python: python3
-    virtualenv_command: python3 /usr/lib/python3/dist-packages/virtualenv.py
+    virtualenv_command: python3 -mvirtualenv
     extra_args: '--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'

ansible/roles/brozzler-worker/tasks/main.yml

@@ -51,7 +51,7 @@
   file: path={{venv_root}}/websockify-ve3 state=directory owner={{user}}
  
 #get python3 version for checks below 
-- shell: "python --version"
+- shell: "python3 --version"
   register: python_installed
   
  #websockify's dependency numpy's latest version no longer supports 3.5
@@ -60,7 +60,7 @@
     name: numpy==1.18.4
     virtualenv: '{{venv_root}}/websockify-ve3'
     virtualenv_python: python3
-    virtualenv_command: python3 /usr/lib/python3/dist-packages/virtualenv.py
+    virtualenv_command: python3 -mvirtualenv
     extra_args: '--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'
@@ -71,7 +71,7 @@
     name: git+https://github.com/kanaka/websockify.git#egg=websockify
     virtualenv: '{{venv_root}}/websockify-ve3'
     virtualenv_python: python3
-    virtualenv_command: python3 /usr/lib/python3/dist-packages/virtualenv.py
+    virtualenv_command: python3 -mvirtualenv
     extra_args: '--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'
@@ -94,7 +94,7 @@
     name: '{{brozzler_pip_name}}'
     virtualenv: '{{venv_root}}/brozzler-ve3'
     virtualenv_python: python3
-    virtualenv_command: python3 /usr/lib/python3/dist-packages/virtualenv.py
+    virtualenv_command: python3 -mvirtualenv
     extra_args: '--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'

ansible/roles/common/tasks/main.yml

@@ -70,7 +70,7 @@
   changed_when: false
 
 - name: ensure service user {{user}} exists
-  user: name={{user}} system=yes createhome=no home=/nonexistent
+  user: name={{user}} system=yes createhome=yes home=/home/{{user}}
         shell=/usr/sbin/nologin
   become: true
-  when: id_user|failed
+  when: id_user.rc != 0

ansible/roles/pywb/tasks/main.yml

@@ -10,7 +10,7 @@
     version: 0.33.2
     virtualenv: '{{venv_root}}/pywb-ve3'
     virtualenv_python: python3
-    virtualenv_command: python3 /usr/lib/python3/dist-packages/virtualenv.py
+    virtualenv_command: python3 -mvirtualenv
     extra_args: '--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'
@@ -22,7 +22,7 @@
     name: '{{brozzler_pip_name}}'
     virtualenv: '{{venv_root}}/pywb-ve3'
     virtualenv_python: python3
-    virtualenv_command: python3 /usr/lib/python3/dist-packages/virtualenv.py
+    virtualenv_command: python3 -mvirtualenv
     extra_args: '--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'

ansible/roles/pywb/templates/pywb-run.j2

@@ -5,6 +5,6 @@ touch $logfile
 chown {{user}} $logfile
 
 exec nice setuidgid {{user}} env PYWB_CONFIG_FILE=/etc/pywb.yml \
-    {{venv_root}}/pywb-ve3/bin/python {{venv_root}}/pywb-ve3/bin/brozzler-wayback \
+    {{venv_root}}/pywb-ve3/bin/python3 {{venv_root}}/pywb-ve3/bin/brozzler-wayback \
     >> $logfile 2>&1
 

ansible/roles/warcprox/tasks/main.yml

@@ -18,7 +18,7 @@
     virtualenv: '{{venv_root}}/warcprox-ve3'
     virtualenv_python: python3
     extra_args: --no-input --upgrade --pre --cache-dir=/tmp/pip-cache
-    virtualenv_command: python3 /usr/lib/python3/dist-packages/virtualenv.py
+    virtualenv_command: python3 -mvirtualenv
   become: true
   become_user: '{{user}}'
   notify: