Added a salt-ssh state to deploy an LXC dev env

e107_tests/lib/ci/salt/.gitignore

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+cache/
+logs/
+var/

e107_tests/lib/ci/salt/README.md

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+# Development Environment Deployment
+
+1. Launch a development container:
+
+   ```
+   lxc launch -s local images:ubuntu/focal e107-dev
+
+   ```
+
+2. Push your public SSH key:
+
+   ```
+   lxc file push --uid 0 --gid 0 -pv ~/.ssh/id_rsa.pub e107-dev/root/.ssh/authorized_keys
+
+   ```
+
+3. Install OpenSSH Server:
+
+   ```
+   lxc exec e107-dev -- apt install -y openssh-server
+
+   ```
+
+4. Note the IP of the container:
+
+   ```
+   E107_DEV_HOST=$(lxc exec e107-dev -- hostname -I | cut -d' ' -f1)
+
+   ```
+
+5. Generate the [Salt SSH](https://docs.saltstack.com/en/latest/topics/ssh/) [roster](https://docs.saltstack.com/en/latest/topics/ssh/roster.html):
+
+   ```
+   echo "e107-dev: $E107_DEV_HOST" | tee roster
+
+   ```
+
+6. Configure `e107_tests/config.yml` based on `e107_tests/config.sample.yml` (from the root of this repository).
+
+   Set `db.dbname`, `db.user`, and `db.password` to what you want the container configuration to have.
+
+   Set `db.host` to the value of `$E107_DEV_HOST`.
+
+7. Apply the container configuration:
+   ```
+   salt-ssh 'e107-dev' --state-output=changes state.apply e107-dev
+   ```

e107_tests/lib/ci/salt/Saltfile

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+salt-ssh:
+  roster_file: roster
+  config_dir: .
+  ssh_log_file: logs/salt-ssh

e107_tests/lib/ci/salt/master

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+root_dir: ./
+
+file_roots:
+  base:
+    - states/
+
+pillar_roots:
+  base:
+    - pillars/
+
+log_file: logs/master
+
+cachedir: cache/
+
+file_ignore_glob: []

e107_tests/lib/ci/salt/pillars/config-local.sls

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+../../../../config.local.yml

e107_tests/lib/ci/salt/pillars/config-sample.sls

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+../../../../config.sample.yml

e107_tests/lib/ci/salt/pillars/config.sls

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+../../../../config.yml

e107_tests/lib/ci/salt/pillars/top.sls

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+base:
+  e107-dev:
+    - config-sample
+    - config
+    - config-local

e107_tests/lib/ci/salt/roster

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+e107-dev: 10.64.229.116

e107_tests/lib/ci/salt/states/e107-dev.sls

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+Install MySQL server:
+  pkg.installed:
+    - pkgs:
+      - mariadb-server
+      - python3-mysqldb
+
+MySQL server configuration file:
+  file.managed:
+    - name: /etc/mysql/mariadb.conf.d/99-overrides.cnf
+    - source: salt://files/etc/mysql/mariadb.conf.d/99-overrides.cnf
+    - user: root
+    - group: root
+    - mode: 0644
+    - template: jinja
+
+Start and enable MySQL server daemon:
+  service.running:
+    - name: mysql
+    - enable: True
+    - watch:
+      - file: /etc/mysql/mariadb.conf.d/99-overrides.cnf
+
+Create MySQL user:
+  mysql_user.present:
+    - name: {{ salt['pillar.get']('db:user') }}
+    - host: '%'
+    - password: {{ salt['pillar.get']('db:password') }}
+    - allow_passwordless: True
+    - unix_socket: False
+
+Create MySQL database:
+  mysql_database.present:
+    - name: {{ salt['pillar.get']('db:dbname') }}
+
+Create MySQL grants:
+  mysql_grants.present:
+    - grant: ALL PRIVILEGES
+    - database: {{ salt['pillar.get']('db:dbname') }}.*
+    - user: {{ salt['pillar.get']('db:user') }}
+    - host: '%'

e107_tests/lib/ci/salt/states/files/etc/mysql/mariadb.conf.d/99-overrides.cnf

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+[mysqld]
+bind-address = 0.0.0.0