linters: update to ansible-lint 6

This updates to ansible-lint 6.  Similar to
I972f73037b9f904a555b81f3835ca5261639ed01 it provides a helper for
installing required roles for linting.

There is no need for a separate syntax checking step, as that is done
by ansible-lint.

Change-Id: I270c50bd5b3ac8db583bc2ba48e254175c91db03

.ansible-lint

@@ -12,5 +12,12 @@ skip_list:
   - '306'
   - '106'
   - '208'
+  - fqcn-builtins # needs a lot of work
+  - yaml[line-length] # we use good taste with long lines
+  - yaml[truthy] # "yes" is ok
 use_default_rules: true
 verbosity: 1
+
+# Local variables:
+# mode: yaml
+# End:

test-requirements.txt

@@ -5,6 +5,6 @@
 hacking>=4.0.0,<5.0.0 # Apache-2.0
 
 # ansible-lint requires ansible>=2.9
-ansible>=2.9.0,<2.10
-ansible-lint>=5.0.0,<6.0.0
+ansible>=5,<6
+ansible-lint>=6,<7
 bashate>=0.2

tools/ansible-lint-roles-cache.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# This is a bit lame, but if we're running under Zuul then this is set
+# to the zuul checkouts of the required roles, so no need to do
+# anything here.
+if [[ ! ${ANSIBLE_ROLES_PATH} =~ \.cache.* ]]; then
+    exit 0
+fi
+
+if [ ! -d .cache/ansible-lint ]; then
+    mkdir -p .cache/ansible-lint
+fi
+
+pushd .cache/ansible-lint
+
+repos=(opendev/base-jobs
+        opendev/system-config
+        openstack/openstack-zuul-jobs
+        zuul/zuul-jobs)
+
+for repo in ${repos[@]}; do
+    dir=$(dirname $repo)
+    echo "Updating Ansible roles repo ${dir}"
+    if [ ! -d $repo ]; then
+        echo "Cloning fresh"
+        mkdir -p $dir
+        pushd $dir
+        git clone https://opendev.org/$repo
+        popd
+    else
+        echo "Updating repo"
+        pushd $repo
+        git fetch -a
+        git pull
+        popd
+    fi
+    echo "Done"
+done

tox.ini

@@ -23,19 +23,16 @@ commands =
 
 [testenv:linters]
 whitelist_externals = bash
-passenv =
-  # NOTE(pabelanger): if you'd like to run tox -elinters locally, you'll need
-  # to export ANSIBLE_ROLES_PATH pointing to the currect repos.
-  # see openstack-zuul-jobs-linters job for more information.
-  ANSIBLE_ROLES_PATH
 setenv =
-  ANSIBLE_LIBRARY= {toxinidir}/tests/fake-ansible
+  # NOTE(ianw) : In the gate job openstack-zuul-jobs-linters this is
+  # overridden to the Zuul checkouts of the projects.  Locally,
+  # tools/ansible-lint-roles-cache.sh will populate these for the
+  # linter.
+  ANSIBLE_ROLES_PATH={env:ANSIBLE_ROLES_PATH:{toxinidir}/.cache/ansible-lint/opendev/base-jobs/roles:{toxinidir}/.cache/ansible-lint/opendev/system-config/roles:{toxinidir}/.cache/ansible-lint/zuul/zuul-jobs/roles:{toxinidir}/.cache/ansible-lint/openstack/openstack-zuul-jobs/roles}
 commands =
   flake8 {posargs}
+  {toxinidir}/tools/ansible-lint-roles-cache.sh
   ansible-lint
-  # Ansible Syntax Check
-  bash -c "cd playbooks; find . -type f -regex '.*.y[a]?ml' -exec \
-    ansible-playbook --syntax-check -i {toxinidir}/tests/inventory \{\} + > /dev/null"
 
 [testenv:venv]
 commands = {posargs}