Move lint requirements to dedicated file

These are not needed for unit tests and we want to avoid conflicts when
running with older python versions that we still test against.

We intentionally duplicate ansible and reno as requirements in order to
avoid having to install more items than necessary.

Signed-off-by: Dr. Jens Harbott <harbott@osism.tech>
Change-Id: I0ec83c3e4ae38f911b922a3bade65429d91169eb

lint-requirements.txt

@@ -0,0 +1,8 @@
+ansible>=4,<6 # GPLv3
+ansible-lint>=4.2.0,!=4.3.0,<6.0.0 # MIT
+bandit>=1.1.0 # Apache-2.0
+bashate>=0.5.1 # Apache-2.0
+doc8>=0.6.0 # Apache-2.0
+hacking>=3.0.1,<3.1.0 # Apache-2.0
+reno>=3.1.0 # Apache-2.0
+yamllint>=1.22.0 #GPL3

test-requirements.txt

@@ -1,11 +1,3 @@
-# linting
-ansible-lint>=4.2.0,!=4.3.0,<6.0.0 # MIT
-bandit>=1.1.0 # Apache-2.0
-bashate>=0.5.1 # Apache-2.0
-doc8>=0.6.0 # Apache-2.0
-hacking>=3.0.1,<3.1.0 # Apache-2.0
-yamllint>=1.22.0 #GPL3
-
 # coverage testing
 coverage!=4.4,>=4.0 # Apache-2.0
 

tox.ini

@@ -93,8 +93,7 @@ setenv =
   ANSIBLE_FILTER_PLUGINS = {toxinidir}/ansible/filter_plugins
 deps =
   -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
-  -r{toxinidir}/test-requirements.txt
-  -r{toxinidir}/doc/requirements.txt
+  -r{toxinidir}/lint-requirements.txt
 allowlist_externals = bash
                       find
 commands =