Let automate coloring in infrared environment

Change-Id: I3b607aa5e0e0bc0215f4ebb81f3bafbff057c9ea

ansible.cfg

@@ -2,7 +2,8 @@
 host_key_checking = False
 forks = 500
 timeout = 30
-force_color = 1
+force_color = 0
+interpreter_python = auto
 
 [ssh_connection]
 pipelining = True

tox.ini

@@ -186,11 +186,16 @@ deps =
     -r infrared-requirements.txt
 passenv =
     {[testenv:venv]passenv}
+    ANSIBLE_*
     IR_*
+    PYTHON
+    TERM
+
 setenv =
     {[testenv:venv]setenv}
     IR_COMMAND={env:IR_COMMAND:{toxinidir}/tools/ci/ir}
     IR_HOME={env:IR_HOME:{envdir}/home/infrared}
+    ANSIBLE_CONFIG={env:ANSIBLE_CONFIG:{toxinidir}/ansible.cfg}
 commands_pre =
     -ir plugin remove tobiko
     ir plugin add {toxinidir}/roles