Initial commit of MariaDB role

Change-Id: I8d35374da716712ecf0ab1f748c952cbc2635969
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ff6ba5e
--- /dev/null
+++ b/Makefile
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+# mariadb Makefile
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+SHELL = bash -eu -o pipefail
+
+.DEFAULT_GOAL := help
+.PHONY: test lint yamllint ansiblelint license help
+
+test: ## run tests on the playbook with molecule
+	molecule --version
+	molecule test
+
+lint: yamllint ansiblelint ## run all lint checks
+
+# all YAML files
+YAML_FILES ?= $(shell find . -type f \( -name '*.yaml' -o -name '*.yml' \) -print )
+
+yamllint: ## lint check with yamllint
+	yamllint --version
+	yamllint \
+    -d "{extends: default, rules: {line-length: {max: 99}}}" \
+    -s $(YAML_FILES)
+
+ansiblelint: ## lint check with ansible-lint
+	ansible-lint --version
+	ansible-lint -v .
+	ansible-lint -v molecule/*/*
+
+license: ## Check license with the reuse tool
+	reuse --version
+	reuse --root . lint
+
+help: ## Print help for each target
+	@echo mariadb test targets
+	@echo
+	@grep '^[[:alnum:]_-]*:.* ##' $(MAKEFILE_LIST) \
+    | sort | awk 'BEGIN {FS=":.* ## "}; {printf "%-25s %s\n", $$1, $$2};'