lemmy/crates/utils/src/settings/structs.rs

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use doku::Document;
use serde::{Deserialize, Serialize};
use std::net::{IpAddr, Ipv4Addr};
use url::Url;
#[derive(Debug, Deserialize, Serialize, Clone, SmartDefault, Document)]
#[serde(default)]
pub struct Settings {
/// settings related to the postgresql database
#[default(Default::default())]
pub database: DatabaseConfig,
/// Settings related to activitypub federation
/// Pictrs image server configuration.
#[default(Some(Default::default()))]
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pub(crate) pictrs: Option<PictrsConfig>,
/// Email sending configuration. All options except login/password are mandatory
#[default(None)]
#[doku(example = "Some(Default::default())")]
pub email: Option<EmailConfig>,
/// Parameters for automatic configuration of new instance (only used at first start)
#[default(None)]
#[doku(example = "Some(Default::default())")]
pub setup: Option<SetupConfig>,
/// the domain name of your instance (mandatory)
#[default("unset")]
#[doku(example = "example.com")]
pub hostname: String,
/// Address where lemmy should listen for incoming requests
#[default(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)))]
#[doku(as = "String")]
pub bind: IpAddr,
/// Port where lemmy should listen for incoming requests
#[default(8536)]
pub port: u16,
/// Whether the site is available over TLS. Needs to be true for federation to work.
#[default(true)]
pub tls_enabled: bool,
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/// Set the URL for opentelemetry exports. If you do not have an opentelemetry collector, do not set this option
#[default(None)]
#[doku(skip)]
pub opentelemetry_url: Option<Url>,
/// The number of activitypub federation workers that can be in-flight concurrently
#[default(0)]
pub worker_count: usize,
/// The number of activitypub federation retry workers that can be in-flight concurrently
#[default(0)]
pub retry_count: usize,
// Prometheus configuration.
#[default(None)]
#[doku(example = "Some(Default::default())")]
pub prometheus: Option<PrometheusConfig>,
/// Sets a response Access-Control-Allow-Origin CORS header
/// https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin
#[default(None)]
#[doku(example = "*")]
pub cors_origin: Option<String>,
}
#[derive(Debug, Deserialize, Serialize, Clone, SmartDefault, Document)]
#[serde(default, deny_unknown_fields)]
pub struct PictrsConfig {
/// Address where pictrs is available (for image hosting)
#[default(Url::parse("http://localhost:8080").expect("parse pictrs url"))]
#[doku(example = "http://localhost:8080")]
pub url: Url,
/// Set a custom pictrs API key. ( Required for deleting images )
#[default(None)]
pub api_key: Option<String>,
/// Cache remote images
#[default(true)]
pub cache_remote_images: bool,
}
#[derive(Debug, Deserialize, Serialize, Clone, SmartDefault, Document)]
#[serde(default)]
pub struct DatabaseConfig {
#[serde(flatten, default)]
pub connection: DatabaseConnection,
/// Maximum number of active sql connections
#[default(95)]
pub pool_size: usize,
}
#[derive(Debug, Deserialize, Serialize, Clone, SmartDefault, Document)]
#[serde(untagged)]
pub enum DatabaseConnection {
/// Configure the database by specifying a URI
///
/// This is the preferred method to specify database connection details since
/// it is the most flexible.
Uri {
/// Connection URI pointing to a postgres instance
///
/// This example uses peer authentication to obviate the need for creating,
/// configuring, and managing passwords.
///
/// For an explanation of how to use connection URIs, see [here][0] in
/// PostgreSQL's documentation.
///
/// [0]: https://www.postgresql.org/docs/current/libpq-connect.html#id-1.7.3.8.3.6
#[doku(example = "postgresql:///lemmy?user=lemmy&host=/var/run/postgresql")]
uri: String,
},
/// Configure the database by specifying parts of a URI
///
/// Note that specifying the `uri` field should be preferred since it provides
/// greater control over how the connection is made. This merely exists for
/// backwards-compatibility.
#[default]
Parts(DatabaseConnectionParts),
}
#[derive(Debug, Deserialize, Serialize, Clone, SmartDefault, Document)]
#[serde(default)]
pub struct DatabaseConnectionParts {
/// Username to connect to postgres
#[default("lemmy")]
pub(super) user: String,
/// Password to connect to postgres
#[default("password")]
pub password: String,
#[default("localhost")]
/// Host where postgres is running
pub host: String,
/// Port where postgres can be accessed
#[default(5432)]
pub(super) port: i32,
/// Name of the postgres database for lemmy
#[default("lemmy")]
pub(super) database: String,
}
#[derive(Debug, Deserialize, Serialize, Clone, Document, SmartDefault)]
#[serde(deny_unknown_fields)]
pub struct EmailConfig {
/// Hostname and port of the smtp server
#[doku(example = "localhost:25")]
pub smtp_server: String,
/// Login name for smtp server
pub smtp_login: Option<String>,
/// Password to login to the smtp server
pub smtp_password: Option<String>,
#[doku(example = "noreply@example.com")]
/// Address to send emails from, eg "noreply@your-instance.com"
pub smtp_from_address: String,
/// Whether or not smtp connections should use tls. Can be none, tls, or starttls
#[default("none")]
#[doku(example = "none")]
pub tls_type: String,
}
#[derive(Debug, Deserialize, Serialize, Clone, SmartDefault, Document)]
#[serde(deny_unknown_fields)]
pub struct SetupConfig {
/// Username for the admin user
#[doku(example = "admin")]
pub admin_username: String,
/// Password for the admin user. It must be between 10 and 60 characters.
#[doku(example = "tf6HHDS4RolWfFhk4Rq9")]
pub admin_password: String,
/// Name of the site, can be changed later. Maximum 20 characters.
#[doku(example = "My Lemmy Instance")]
pub site_name: String,
/// Email for the admin user (optional, can be omitted and set later through the website)
#[doku(example = "user@example.com")]
#[default(None)]
pub admin_email: Option<String>,
}
#[derive(Debug, Deserialize, Serialize, Clone, SmartDefault, Document)]
#[serde(deny_unknown_fields)]
pub struct PrometheusConfig {
// Address that the Prometheus metrics will be served on.
#[default(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)))]
#[doku(example = "127.0.0.1")]
pub bind: IpAddr,
// Port that the Prometheus metrics will be served on.
#[default(10002)]
#[doku(example = "10002")]
pub port: i32,
}