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Added documentation for databases

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Documentation has been added detailing how to use the different database
backends available. A minor gramatical error was also corrected.

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>
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Matthew Nickson 2022-03-16 22:49:50 +00:00
parent bc6f0f491f
commit 7d592b4f46
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README.md
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@ -33,7 +33,7 @@ wireguard interface stats. See the `cap_add` and `network_mode` options on the d
Set the `SESSION_SECRET` environment variable to a random value.
In order to sent the wireguard configuration to clients via email, set the following environment variables:
In order to send the wireguard configuration to clients via email, set the following environment variables:
- using SendGrid API
@ -55,6 +55,22 @@ EMAIL_FROM_ADDRESS: the sender's email address
EMAIL_FROM_NAME: the sender's name
```
In order to connect to a database, set the following environment
variables:
```
DB_TYPE
DB_HOST
DB_PORT
DB_DATABASE
DB_USERNAME
DB_PASSWORD
DB_TLS: the TLS option
```
For details on the values that these variables should be set to, see the
section for your desired database.
### Using binary file
Download the binary file from the release and run it with command:
@ -63,6 +79,61 @@ Download the binary file from the release and run it with command:
./wireguard-ui
```
## Databases
By default, all the data for the application is stored in JSON files in
the `./db` directory. By using the `--db-type` command line option or by
setting the `DB_TYPE` environment variable, you can choose to use a
different backend. Note: for some backends, other options may need to be
set.
Backend options:
| Value | Database | Other options |
| ----- | -------- | ------------- |
| jsondb | JSON files in `./db` | None |
| mysql | MySQL or MariaDB server | `DB_HOST` `DB_PORT` `DB_DATABASE` `DB_USERNAME` `DB_PASSWORD` `DB_TLS` |
### JSONDB
When using the JSONDB database, all of the data is stored in separate
JSON files in the `./db` directory. This is the default database and no
special configuration is required.
### MySQL
In order to use a MySQL or MariaDB server, you will first have to set
the `DB_TYPE` environment variable to `mysql`. You should then specify
the hostname or IP address of the database server using `DB_HOST` as
well as the port on which the database server is listening, if it is
different from the default of `3306`. `DB_DATABASE` is the name of the
database that WireGuard-UI is to use. Please ensure that the database is
empty before you start WireGuard-UI for the first time otherwise the
tables will not be initialized properly. `DB_USERNAME` and `DB_PASSWORD`
should contain the login details for a user with the following
permissions for the database:
* SELECT
* INSERT
* UPDATE
* DELETE
* CREATE
* ALTER
`DB_TLS` sets the TLS configuration for the database connection. It
defaults to `false` and can be one of the following values:
| Option | Description |
| ------ | ----------- |
| false | Never use TLS (default) |
| true | Enable TLS / SSL encrypted connection to the server |
| prefered | Use TLS when advertised by the server |
| skip-verify | Use TLS, but don't check against a CA |
After you have set these options, you should be able to start the
WireGuard-UI server. The server will then initialize the database and
insert the default configuration. If this process is interrupted, you
will have to empty the database and restart the initialization.
## Auto restart WireGuard daemon
WireGuard-UI only takes care of configuration generation. You can use systemd to watch for the changes and restart the service. Following is an example: