Initial commit of MariaDB role

Change-Id: I8d35374da716712ecf0ab1f748c952cbc2635969
diff --git a/.cookiecutter_params.json b/.cookiecutter_params.json
new file mode 100644
index 0000000..45968f2
--- /dev/null
+++ b/.cookiecutter_params.json
@@ -0,0 +1,24 @@
+{
+    "_template": "../cookiecutters/role",
+    "author": "Open Networking Foundation",
+    "company": "Open Networking Foundation",
+    "description": "MariaDB Database",
+    "email": "support@opennetworking.org",
+    "issue_tracker_url": "https://jira.opennetworking.org/",
+    "license": "Apache-2.0",
+    "min_ansible_version": "2.9.5",
+    "molecule_privileged": "true",
+    "platform": "deleteme",
+    "platforms": {
+        "Ubuntu": [
+            "16.04",
+            "18.04"
+        ]
+    },
+    "role_defaults": {
+        "example_default1": "example_value1",
+        "example_default2": "example_value2"
+    },
+    "role_name": "mariadb",
+    "year": "2020"
+}
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..9d38993
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,5 @@
+[gerrit]
+host=gerrit.opencord.org
+port=29418
+project=ansible/role/mariadb.git
+defaultremote=origin
diff --git a/.reuse/dep5 b/.reuse/dep5
new file mode 100644
index 0000000..b588c0d
--- /dev/null
+++ b/.reuse/dep5
@@ -0,0 +1,9 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+
+Files: .cookiecutter_params.json VERSION .gitreview
+Copyright: 2020 Open Networking Foundation
+License: Apache-2.0
+
+Files: files/mariadb.gpg
+Copyright: GPG Key Data
+License: CC0-1.0
diff --git a/LICENSES/Apache-2.0.txt b/LICENSES/Apache-2.0.txt
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/LICENSES/Apache-2.0.txt
@@ -0,0 +1,202 @@
+
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new file mode 100644
index 0000000..a343ccd
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@@ -0,0 +1,119 @@
+Creative Commons Legal Code
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diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ff6ba5e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,39 @@
+# 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};'
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6a37a37
--- /dev/null
+++ b/README.md
@@ -0,0 +1,34 @@
+<!--
+SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+SPDX-License-Identifier: Apache-2.0
+--!>
+# mariadb
+
+MariaDB Database
+
+This role installs MariaDB from the [official MariaDB APT
+repo](https://mariadb.com/kb/en/installing-mariadb-deb-files)
+
+It can also create databases and users for those databases
+
+## Example Playbook
+
+```yaml
+- hosts: all
+  vars:
+    mariadb_users:
+      - name: "exampleuser"
+        password: "examplepass"
+        priv: "exampledb.*:ALL"
+    mariadb_databases:
+      - name: "exampledb"
+  roles:
+    - mariadb
+
+```
+
+## License and Author
+
+© 2020 Open Networking Foundation <support@opennetworking.org>
+
+License: Apache-2.0
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..c0ab82c
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+0.0.1-dev
diff --git a/defaults/main.yml b/defaults/main.yml
new file mode 100644
index 0000000..4449ad9
--- /dev/null
+++ b/defaults/main.yml
@@ -0,0 +1,18 @@
+---
+# mariadb defaults/main.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+mariadb_version: "10.5"
+
+mariadb_apt_mirror: "http://sfo1.mirrors.digitalocean.com/mariadb"
+
+# passwords
+mariadb_root_password: "baddefault"
+
+# users
+mariadb_users: []
+
+# databases
+mariadb_databases: []
diff --git a/files/mariadb.gpg b/files/mariadb.gpg
new file mode 100644
index 0000000..815d1f9
--- /dev/null
+++ b/files/mariadb.gpg
@@ -0,0 +1,108 @@
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+
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+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/handlers/main.yml b/handlers/main.yml
new file mode 100644
index 0000000..56a5efd
--- /dev/null
+++ b/handlers/main.yml
@@ -0,0 +1,15 @@
+---
+# mariadb handlers/main.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+- name: start-mariadb
+  service:
+    name: "{{ mariadb_service }}"
+    state: started
+
+- name: restart-mariadb
+  service:
+    name: "{{ mariadb_service }}"
+    state: restarted
diff --git a/meta/main.yml b/meta/main.yml
new file mode 100644
index 0000000..0fd082e
--- /dev/null
+++ b/meta/main.yml
@@ -0,0 +1,27 @@
+---
+# mariadb meta/main.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+galaxy_info:
+  author: Open Networking Foundation
+  description: MariaDB Database
+  company: Open Networking Foundation
+
+  issue_tracker_url: https://jira.opennetworking.org/
+
+  license: Apache-2.0
+
+  min_ansible_version: 2.9.5
+
+  platforms:
+    - name: Ubuntu
+      versions:
+        - "16.04"
+        - "18.04"
+
+  galaxy_tags:
+    - mariadb
+
+dependencies: []
diff --git a/molecule/default/converge.yml b/molecule/default/converge.yml
new file mode 100644
index 0000000..f73f499
--- /dev/null
+++ b/molecule/default/converge.yml
@@ -0,0 +1,19 @@
+---
+# mariadb molecule/default/verify.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+- name: Converge
+  hosts: all
+  vars:
+    mariadb_users:
+      - name: "exampleuser"
+        password: "examplepass"
+        priv: "exampledb.*:ALL"
+    mariadb_databases:
+      - name: "exampledb"
+  tasks:
+    - name: "Include mariadb"
+      include_role:
+        name: "mariadb"
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
new file mode 100644
index 0000000..b063272
--- /dev/null
+++ b/molecule/default/molecule.yml
@@ -0,0 +1,34 @@
+---
+# mariadb molecule/default/molecule.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+dependency:
+  name: galaxy
+driver:
+  name: docker
+platforms:
+  - name: "ubuntu-18.04-priv"
+    image: "quay.io/paulfantom/molecule-systemd:ubuntu-18.04"
+    privileged: true
+    volumes:
+      - "/sys/fs/cgroup:/sys/fs/cgroup:ro"
+  - name: "debian-10-priv"
+    image: "quay.io/paulfantom/molecule-systemd:debian-10"
+    privileged: true
+    volumes:
+      - "/sys/fs/cgroup:/sys/fs/cgroup:ro"
+provisioner:
+  name: ansible
+  playbooks:
+    prepare: prepare.yml
+  inventory:
+    host_vars:
+      debian-10-priv:
+        ansible_python_interpreter: /usr/bin/python3
+  env:
+    ANSIBLE_COLLECTIONS_PATHS: >-
+      ~/Documents/onf/infra/ansible:~/.ansible/collections:/usr/share/ansible/collections
+verifier:
+  name: ansible
diff --git a/molecule/default/prepare.yml b/molecule/default/prepare.yml
new file mode 100644
index 0000000..fb8f1ed
--- /dev/null
+++ b/molecule/default/prepare.yml
@@ -0,0 +1,15 @@
+---
+# mariadb molecule/default/prepare.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+- name: Prepare
+  hosts: all
+
+  pre_tasks:
+    - name: Install GPG to support adding apt repo keys
+      apt:
+        name: "gpg"
+        state: "present"
+        update_cache: true
diff --git a/molecule/default/verify.yml b/molecule/default/verify.yml
new file mode 100644
index 0000000..95b17a1
--- /dev/null
+++ b/molecule/default/verify.yml
@@ -0,0 +1,32 @@
+---
+# mariadb molecule/default/verify.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+- name: Verify
+  hosts: all
+  tasks:
+
+    - name: Collect MariaDB information
+      mysql_info:
+        login_user: root
+        login_unix_socket: /var/run/mysqld/mysqld.sock
+      register: mariadb_info
+
+    - name: Print MariaDB info
+      debug:
+        var: mariadb_info
+
+    - name: Verify MariaDB version
+      assert:
+        that:
+          - mariadb_info['version']['major'] == 10
+          - mariadb_info['version']['minor'] == 5
+
+    - name: Check that user can connect to database
+      community.mysql.mysql_query:
+        login_db: "exampledb"
+        query: "show tables;"
+        login_user: "exampleuser"
+        login_password: "examplepass"
diff --git a/tasks/Debian.yml b/tasks/Debian.yml
new file mode 100644
index 0000000..935bdb6
--- /dev/null
+++ b/tasks/Debian.yml
@@ -0,0 +1,28 @@
+---
+# mariadb tasks/Debian.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+
+- name: Add MariaDB apt repo GPG key
+  apt_key:
+    data: "{{ lookup('file','mariadb.gpg') }}"
+    state: "present"
+
+- name: Add MariaDB apt repo
+  apt_repository:
+    repo: >-
+      deb [arch=amd64,arm64,ppc64el]
+      {{ mariadb_apt_mirror }}/repo/{{ mariadb_version }}/{{ ansible_lsb['id'] | lower }}
+      {{ ansible_lsb['codename'] }} main
+    update_cache: true
+
+- name: Install MariaDB packages
+  apt:
+    name: "{{ mariadb_packages }}"
+    state: "present"
+    update_cache: true
+    cache_valid_time: 3600
+  notify:
+    - start-mariadb
diff --git a/tasks/main.yml b/tasks/main.yml
new file mode 100644
index 0000000..db69d80
--- /dev/null
+++ b/tasks/main.yml
@@ -0,0 +1,67 @@
+---
+# mariadb tasks/main.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+- name: include OS-specific vars
+  include_vars: "{{ ansible_os_family }}.yml"
+
+- name: include OS-specific tasks
+  include_tasks: "{{ ansible_os_family }}.yml"
+
+- name: Enable MariaDB Service
+  service:
+    name: "{{ mariadb_service }}"
+    enabled: true
+  notify:
+    - start-mariadb
+
+- name: Flush handlers to start MariaDB
+  meta: flush_handlers
+
+# Secure the installation
+
+- name: Set root user password
+  mysql_user:
+    name: root
+    password: "{{ mariadb_root_password }}"
+    host_all: true
+    login_unix_socket: /var/run/mysqld/mysqld.sock
+  no_log: true
+
+- name: Create root ~/.my.cnf file to specify new password
+  template:
+    src: user.my.cnf.j2
+    dest: "{{ ansible_env.HOME }}/.my.cnf"
+    owner: root
+    group: root
+    mode: 0600
+
+- name: Remove all anonymous users
+  mysql_user:
+    name: ''
+    host_all: true
+    state: absent
+  no_log: true
+
+- name: Remove default test database
+  mysql_db:
+    name: test
+    state: absent
+
+# Create databases
+- name: Create databases
+  mysql_db:
+    name: "{{ item.name }}"
+  with_items: "{{ mariadb_databases }}"
+
+# Create users
+- name: Create users
+  mysql_user:
+    name: "{{ item.name }}"
+    password: "{{ item.password }}"
+    host: localhost
+    priv: "{{ item.priv }}"
+  no_log: true
+  with_items: "{{ mariadb_users }}"
diff --git a/templates/user.my.cnf.j2 b/templates/user.my.cnf.j2
new file mode 100644
index 0000000..cdf86c5
--- /dev/null
+++ b/templates/user.my.cnf.j2
@@ -0,0 +1,9 @@
+{#
+SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+SPDX-License-Identifier: Apache-2.0
+#}
+# mariadb templates/user.my.cnf.j2 - {{ ansible_managed }}
+
+[client]
+user=root
+password="{{ mariadb_root_password }}"
diff --git a/vars/Debian.yml b/vars/Debian.yml
new file mode 100644
index 0000000..6a79bfa
--- /dev/null
+++ b/vars/Debian.yml
@@ -0,0 +1,15 @@
+---
+# mariadb vars/Debian.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+#
+# NOTE: Only put platform/OS-specific variables in this file.
+# Put all other variables in the 'defaults/main.yml' file.
+
+mariadb_packages:
+  - mariadb-server
+  - mariadb-client
+  - python3-pymysql
+
+mariadb_service: "mariadb"