bootstrap.yml - target python3

Ubuntu fossa seems not to have the packages we want for python 2

bootstrap-debian.yml

@@ -11,25 +11,19 @@
     - name: update apt repository
       action: raw apt-get -q -y update
       
-    - name: install python
-      action: raw apt-get -q -y install python
-
-# the command succeeds (returns code 0) if python needs simplejson
-    - name: check if python is old enough to need simplejson
-      action: raw python -c 'import sys; sys.stdout.write("%s" % (sys.version_info<(2,6)))'
-      register: need_simplejson
+    - name: install python3
+      action: raw apt-get -q -y install python3
 
     - name: ensure other prereqs installed
-      action: raw apt-get -qy install python-simplejson
-      when: need_simplejson.stdout
-
-    - name: ensure other prereqs installed
-      action: raw apt-get -qy install python-paramiko python-yaml python-jinja2 python-apt python-docker 
+      action: raw apt-get -qy install python3-paramiko python3-yaml python3-jinja2 python3-apt python3-docker 
 
 - name: update packages
   tags:
     - update
   hosts: all
   user: root
-  roles:
-    - role: apt-upgrade
+  tasks:
+    - name: update apt safely
+      apt: upgrade=safe
+      async: 600
+      poll: 5