--- /dev/null
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+[tox]
+envlist = pep8
+skipsdist = True
+
+[testenv]
+setenv = VIRTUAL_ENV={envdir}
+ PYTHONHASHSEED=0
+install_command =
+ pip install {opts} {packages}
+
+[testenv:build]
+basepython = python3
+passenv=HTTP_PROXY HTTPS_PROXY NO_PROXY
+whitelist_externals = charmcraft
+ rm
+ unzip
+commands =
+ rm -rf release
+ charmcraft build
+ unzip keystone.charm -d release
+
+[testenv:lint]
+basepython = python3
+deps =
+ black
+ yamllint
+ flake8
+commands =
+ black --check --diff . --exclude "build/|.tox/|mod/|lib/"
+ yamllint .
+ flake8 . --max-line-length=100 --exclude "build/ .tox/ mod/ lib/"
+
+[testenv:venv]
+commands = {posargs}