Move dns records under service in the config

.dev-config.yml

@@ -0,0 +1,9 @@
+origin:
+  store_dir_path: /tmp/domani_dev_env/origin
+domain:
+  store_dir_path: /tmp/domani_dev_env/domain
+service:
+  passphrase: foobar
+  dns_records:
+    - type: A
+      addr: 127.0.0.1

.env.dev

@@ -1,6 +1 @@
-export DOMANI_HTTP_DOMAIN=localhost
-export DOMANI_PASSPHRASE=foobar
-export DOMANI_ORIGIN_STORE_GIT_DIR_PATH=/tmp/domani_dev_env/origin/git
-export DOMANI_DOMAIN_CHECKER_TARGET_A=127.0.0.1
-export DOMANI_DOMAIN_CONFIG_STORE_DIR_PATH=/tmp/domani_dev_env/domain/config
-export DOMANI_DOMAIN_ACME_STORE_DIR_PATH=/tmp/domani_dev_env/domain/acme
+export DOMANI_CONFIG_PATH=./.dev-config.yml

.github/workflows/build_nix.yml

@@ -1,13 +0,0 @@
-name: "Build legacy Nix package on Ubuntu"
-
-on:
-  push:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v12
-      - name: Building package
-        run: nix-build . -A defaultPackage.x86_64-linux

Cargo.lock

@@ -467,6 +467,7 @@ dependencies = [
  "serde_json",
  "serde_urlencoded",
  "serde_with",
+ "serde_yaml",
  "sha2",
  "signal-hook",
  "signal-hook-tokio",
@@ -537,6 +538,12 @@ dependencies = [
  "termcolor",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88bffebc5d80432c9b140ee17875ff173a8ab62faad5b257da912bd2f6c1c0a1"
+
 [[package]]
 name = "errno"
 version = "0.3.1"
@@ -1362,7 +1369,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http",
- "indexmap",
+ "indexmap 1.9.3",
  "slab",
  "tokio",
  "tokio-util",
@@ -1396,6 +1403,12 @@ version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -1597,6 +1610,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "indexmap"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.14.0",
+]
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -2552,7 +2575,7 @@ dependencies = [
  "base64 0.21.0",
  "chrono",
  "hex",
- "indexmap",
+ "indexmap 1.9.3",
  "serde",
  "serde_json",
  "serde_with_macros",
@@ -2571,6 +2594,19 @@ dependencies = [
  "syn 2.0.15",
 ]
 
+[[package]]
+name = "serde_yaml"
+version = "0.9.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "452e67b9c20c37fa79df53201dc03839651086ed9bbe92b3ca585ca9fdaa7d85"
+dependencies = [
+ "indexmap 2.0.0",
+ "itoa",
+ "ryu",
+ "serde",
+ "unsafe-libyaml",
+]
+
 [[package]]
 name = "sha1_smol"
 version = "1.0.0"
@@ -3041,6 +3077,12 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unsafe-libyaml"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1865806a559042e51ab5414598446a5871b561d21b6764f2eabb0dd481d880a6"
+
 [[package]]
 name = "untrusted"
 version = "0.7.1"

Cargo.toml

@@ -41,3 +41,4 @@ tls-listener = { version = "0.7.0", features = [ "rustls", "hyper-h1" ]}
 tokio-rustls = "0.24.0"
 log = "0.4.19"
 env_logger = "0.10.0"
+serde_yaml = "0.9.22"

src/config.rs

@@ -0,0 +1,8 @@
+use serde::Deserialize;
+
+#[derive(Deserialize)]
+pub struct Config {
+    pub origin: crate::origin::Config,
+    pub domain: crate::domain::Config,
+    pub service: crate::service::Config,
+}

src/domain.rs

@@ -1,80 +1,31 @@
 pub mod acme;
 pub mod checker;
-pub mod config;
+mod config;
 pub mod manager;
+mod name;
+pub mod store;
 
-use std::fmt;
-use std::str::FromStr;
+pub use config::*;
+pub use name::*;
 
-use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
-use trust_dns_client::rr as trust_dns_rr;
+use crate::error::unexpected::{self, Mappable};
+use crate::origin;
 
-#[derive(Debug, Clone)]
-/// Validated representation of a domain name
-pub struct Name {
-    inner: trust_dns_rr::Name,
-    utf8_str: String,
+use hex::ToHex;
+use serde::{Deserialize, Serialize};
+use sha2::{Digest, Sha256};
+
+#[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
+/// Defines how a domain will behave when it is accessed. These are configured by the owner of the
+/// domain during setup.
+pub struct Domain {
+    pub origin_descr: origin::Descr,
 }
 
-impl Name {
-    pub fn as_str(&self) -> &str {
-        self.utf8_str.as_str()
-    }
-}
-
-impl fmt::Display for Name {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{}", self.utf8_str)
-    }
-}
-
-impl FromStr for Name {
-    type Err = <trust_dns_rr::Name as FromStr>::Err;
-
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        let mut n = trust_dns_rr::Name::from_str(s)?;
-        let utf8_str = n.clone().to_utf8();
-
-        n.set_fqdn(true);
-
-        Ok(Name { inner: n, utf8_str })
-    }
-}
-
-impl Serialize for Name {
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        serializer.serialize_str(self.as_str())
-    }
-}
-
-struct NameVisitor;
-
-impl<'de> de::Visitor<'de> for NameVisitor {
-    type Value = Name;
-
-    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
-        write!(formatter, "a valid domain name")
-    }
-
-    fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
-    where
-        E: de::Error,
-    {
-        match Name::from_str(s) {
-            Ok(n) => Ok(n),
-            Err(e) => Err(E::custom(format!("invalid domain name: {}", e))),
-        }
-    }
-}
-
-impl<'de> Deserialize<'de> for Name {
-    fn deserialize<D>(deserializer: D) -> Result<Name, D::Error>
-    where
-        D: Deserializer<'de>,
-    {
-        deserializer.deserialize_str(NameVisitor)
+impl Domain {
+    pub fn hash(&self) -> Result<String, unexpected::Error> {
+        let mut h = Sha256::new();
+        serde_json::to_writer(&mut h, self).or_unexpected()?;
+        Ok(h.finalize().encode_hex::<String>())
     }
 }

src/domain/acme/manager.rs

@@ -33,7 +33,7 @@ pub struct ManagerImpl {
 impl ManagerImpl {
     pub async fn new<Store: acme::store::Store + Send + Sync + 'static>(
         store: Store,
-        contact_email: &str,
+        config: &domain::ConfigACME,
     ) -> Result<Self, unexpected::Error> {
         let dir = acme2::DirectoryBuilder::new(LETS_ENCRYPT_URL.to_string())
             .build()
@@ -41,7 +41,7 @@ impl ManagerImpl {
             .or_unexpected_while("creating acme2 directory builder")?;
 
         let mut contact = String::from("mailto:");
-        contact.push_str(contact_email);
+        contact.push_str(config.contact_email.as_str());
 
         let mut builder = acme2::AccountBuilder::new(dir);
         builder.contact(vec![contact]);

src/domain/checker.rs

@@ -1,4 +1,5 @@
 use std::net;
+use std::ops::DerefMut;
 use std::str::FromStr;
 
 use crate::domain;
@@ -8,19 +9,10 @@ use trust_dns_client::client::{AsyncClient, ClientHandle};
 use trust_dns_client::rr::{DNSClass, Name, RData, RecordType};
 use trust_dns_client::udp;
 
-#[derive(thiserror::Error, Debug)]
-pub enum NewDNSCheckerError {
-    #[error("invalid resolver address")]
-    InvalidResolverAddress,
-
-    #[error(transparent)]
-    Unexpected(#[from] unexpected::Error),
-}
-
 #[derive(thiserror::Error, Debug)]
 pub enum CheckDomainError {
-    #[error("target A not set")]
-    TargetANotSet,
+    #[error("no service dns records set")]
+    ServiceDNSRecordsNotSet,
 
     #[error("challenge token not set")]
     ChallengeTokenNotSet,
@@ -29,31 +21,65 @@ pub enum CheckDomainError {
     Unexpected(#[from] unexpected::Error),
 }
 
-pub struct DNSChecker {
-    target_a: net::Ipv4Addr,
+pub enum DNSRecord {
+    A(net::Ipv4Addr),
+}
 
+impl DNSRecord {
+    async fn check_a(
+        client: &mut AsyncClient,
+        domain: &trust_dns_client::rr::Name,
+        addr: &net::Ipv4Addr,
+    ) -> Result<bool, unexpected::Error> {
+        let response = client
+            .query(domain.clone(), DNSClass::IN, RecordType::A)
+            .await
+            .or_unexpected_while("querying A record")?;
+
+        let records = response.answers();
+
+        if records.len() != 1 {
+            return Ok(false);
+        }
+
+        // if the single record isn't a A, or it's not the target A, then return
+        // TargetANAMENotSet
+        match records[0].data() {
+            Some(RData::A(remote_a)) if remote_a == addr => Ok(true),
+            _ => return Ok(false),
+        }
+    }
+
+    async fn check(
+        &self,
+        client: &mut AsyncClient,
+        domain: &trust_dns_client::rr::Name,
+    ) -> Result<bool, unexpected::Error> {
+        match self {
+            Self::A(addr) => Self::check_a(client, domain, &addr).await,
+        }
+    }
+}
+
+pub struct DNSChecker {
     // TODO we should use some kind of connection pool here, I suppose
     client: tokio::sync::Mutex<AsyncClient>,
+    service_dns_records: Vec<DNSRecord>,
 }
 
 impl DNSChecker {
     pub async fn new(
-        target_a: net::Ipv4Addr,
-        resolver_addr: &str,
-    ) -> Result<Self, NewDNSCheckerError> {
-        let resolver_addr = resolver_addr
-            .parse()
-            .map_err(|_| NewDNSCheckerError::InvalidResolverAddress)?;
-
-        let stream = udp::UdpClientStream::<tokio::net::UdpSocket>::new(resolver_addr);
-
+        config: &domain::ConfigDNS,
+        service_dns_records: Vec<DNSRecord>,
+    ) -> Result<Self, unexpected::Error> {
+        let stream = udp::UdpClientStream::<tokio::net::UdpSocket>::new(config.resolver_addr);
         let (client, bg) = AsyncClient::connect(stream).await.or_unexpected()?;
-
         tokio::spawn(bg);
+        // TODO there should be a mechanism to clean this up
 
         Ok(Self {
-            target_a,
             client: tokio::sync::Mutex::new(client),
+            service_dns_records,
         })
     }
 
@@ -62,31 +88,7 @@ impl DNSChecker {
         domain: &domain::Name,
         challenge_token: &str,
     ) -> Result<(), CheckDomainError> {
-        let domain = &domain.inner;
-
-        // check that the A is installed correctly on the domain
-        {
-            let response = self
-                .client
-                .lock()
-                .await
-                .query(domain.clone(), DNSClass::IN, RecordType::A)
-                .await
-                .or_unexpected_while("querying A record")?;
-
-            let records = response.answers();
-
-            if records.len() != 1 {
-                return Err(CheckDomainError::TargetANotSet);
-            }
-
-            // if the single record isn't a A, or it's not the target A, then return
-            // TargetANAMENotSet
-            match records[0].data() {
-                Some(RData::A(remote_a)) if remote_a == &self.target_a => (),
-                _ => return Err(CheckDomainError::TargetANotSet),
-            }
-        }
+        let domain = domain.as_rr();
 
         // check that the TXT record with the challenge token is correctly installed on the domain
         {
@@ -115,6 +117,16 @@ impl DNSChecker {
             }
         }
 
-        Ok(())
+        // check that one of the possible DNS records is installed on the domain
+        for record in &self.service_dns_records {
+            let mut client = self.client.lock().await;
+            match record.check(client.deref_mut(), domain).await {
+                Ok(true) => return Ok(()),
+                Ok(false) => (),
+                Err(e) => return Err(e.into()),
+            }
+        }
+
+        Err(CheckDomainError::ServiceDNSRecordsNotSet)
     }
 }

src/domain/config.rs

@@ -1,160 +1,34 @@
-use std::path::{Path, PathBuf};
-use std::str::FromStr;
-use std::{fs, io};
+use std::{net, path, str::FromStr};
 
-use crate::error::unexpected::{self, Intoable, Mappable};
-use crate::{domain, origin};
+use serde::Deserialize;
 
-use hex::ToHex;
-use serde::{Deserialize, Serialize};
-use sha2::{Digest, Sha256};
+fn default_resolver_addr() -> net::SocketAddr {
+    net::SocketAddr::from_str("1.1.1.1:53").unwrap()
+}
 
-#[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
-/// Values which the owner of a domain can configure when they install a domain.
+#[derive(Deserialize)]
+pub struct ConfigDNS {
+    #[serde(default = "default_resolver_addr")]
+    pub resolver_addr: net::SocketAddr,
+}
+
+impl Default for ConfigDNS {
+    fn default() -> Self {
+        Self {
+            resolver_addr: default_resolver_addr(),
+        }
+    }
+}
+
+#[derive(Deserialize)]
+pub struct ConfigACME {
+    pub contact_email: String,
+}
+
+#[derive(Deserialize)]
 pub struct Config {
-    pub origin_descr: origin::Descr,
-}
-
-impl Config {
-    pub fn hash(&self) -> Result<String, unexpected::Error> {
-        let mut h = Sha256::new();
-        serde_json::to_writer(&mut h, self).or_unexpected()?;
-        Ok(h.finalize().encode_hex::<String>())
-    }
-}
-
-#[derive(thiserror::Error, Debug)]
-pub enum GetError {
-    #[error("not found")]
-    NotFound,
-
-    #[error(transparent)]
-    Unexpected(#[from] unexpected::Error),
-}
-
-#[derive(thiserror::Error, Debug)]
-pub enum SetError {
-    #[error(transparent)]
-    Unexpected(#[from] unexpected::Error),
-}
-
-#[mockall::automock]
-pub trait Store {
-    fn get(&self, domain: &domain::Name) -> Result<Config, GetError>;
-    fn set(&self, domain: &domain::Name, config: &Config) -> Result<(), SetError>;
-    fn all_domains(&self) -> Result<Vec<domain::Name>, unexpected::Error>;
-}
-
-pub struct FSStore {
-    dir_path: PathBuf,
-}
-
-impl FSStore {
-    pub fn new(dir_path: &Path) -> io::Result<Self> {
-        fs::create_dir_all(dir_path)?;
-        Ok(Self {
-            dir_path: dir_path.into(),
-        })
-    }
-
-    fn config_dir_path(&self, domain: &domain::Name) -> PathBuf {
-        self.dir_path.join(domain.as_str())
-    }
-
-    fn config_file_path(&self, domain: &domain::Name) -> PathBuf {
-        self.config_dir_path(domain).join("config.json")
-    }
-}
-
-impl Store for FSStore {
-    fn get(&self, domain: &domain::Name) -> Result<Config, GetError> {
-        let path = self.config_file_path(domain);
-        let config_file = fs::File::open(path.as_path()).map_err(|e| match e.kind() {
-            io::ErrorKind::NotFound => GetError::NotFound,
-            _ => e
-                .into_unexpected_while(format!("opening {}", path.display()))
-                .into(),
-        })?;
-
-        let config = serde_json::from_reader(config_file)
-            .map_unexpected_while(|| format!("json parsing {}", path.display()))?;
-        Ok(config)
-    }
-
-    fn set(&self, domain: &domain::Name, config: &Config) -> Result<(), SetError> {
-        let dir_path = self.config_dir_path(domain);
-        fs::create_dir_all(dir_path.as_path())
-            .map_unexpected_while(|| format!("creating dir {}", dir_path.display()))?;
-
-        let file_path = self.config_file_path(domain);
-        let config_file = fs::File::create(file_path.as_path())
-            .map_unexpected_while(|| format!("creating file {}", file_path.display()))?;
-
-        serde_json::to_writer(config_file, config)
-            .map_unexpected_while(|| format!("writing config to {}", file_path.display()))?;
-
-        Ok(())
-    }
-
-    fn all_domains(&self) -> Result<Vec<domain::Name>, unexpected::Error> {
-        fs::read_dir(&self.dir_path)
-            .or_unexpected()?
-            .map(
-                |dir_entry_res: io::Result<fs::DirEntry>| -> Result<domain::Name, unexpected::Error> {
-                    let domain = dir_entry_res.or_unexpected()?.file_name();
-                    let domain = domain.to_str().ok_or(unexpected::Error::from(
-                        "couldn't convert os string to &str",
-                    ))?;
-
-                    domain::Name::from_str(domain)
-                        .map_unexpected_while(|| format!("parsing {domain} as domain name"))
-                },
-            )
-            .try_collect()
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::{Store, *};
-    use crate::domain;
-    use crate::origin::Descr;
-
-    use std::str::FromStr;
-
-    use tempdir::TempDir;
-
-    #[test]
-    fn basic() {
-        let tmp_dir = TempDir::new("domain_config_store").unwrap();
-
-        let store = FSStore::new(tmp_dir.path()).expect("store created");
-
-        let domain = domain::Name::from_str("foo.com").expect("domain parsed");
-
-        let config = Config {
-            origin_descr: Descr::Git {
-                url: "bar".to_string(),
-                branch_name: "baz".to_string(),
-            },
-        };
-
-        assert!(matches!(
-            store.get(&domain),
-            Err::<Config, GetError>(GetError::NotFound)
-        ));
-
-        store.set(&domain, &config).expect("config set");
-        assert_eq!(config, store.get(&domain).expect("config retrieved"));
-
-        let new_config = Config {
-            origin_descr: Descr::Git {
-                url: "BAR".to_string(),
-                branch_name: "BAZ".to_string(),
-            },
-        };
-
-        store.set(&domain, &new_config).expect("config set");
-        assert_eq!(new_config, store.get(&domain).expect("config retrieved"));
-    }
+    pub store_dir_path: path::PathBuf,
+    #[serde(default)]
+    pub dns: ConfigDNS,
+    pub acme: Option<ConfigACME>,
 }

src/domain/manager.rs

@@ -1,4 +1,4 @@
-use crate::domain::{self, acme, checker, config};
+use crate::domain::{self, acme, checker, store};
 use crate::error::unexpected::{self, Mappable};
 use crate::origin;
 use crate::util;
@@ -15,11 +15,11 @@ pub enum GetConfigError {
     Unexpected(#[from] unexpected::Error),
 }
 
-impl From<config::GetError> for GetConfigError {
-    fn from(e: config::GetError) -> GetConfigError {
+impl From<store::GetError> for GetConfigError {
+    fn from(e: store::GetError) -> GetConfigError {
         match e {
-            config::GetError::NotFound => GetConfigError::NotFound,
-            config::GetError::Unexpected(e) => GetConfigError::Unexpected(e),
+            store::GetError::NotFound => GetConfigError::NotFound,
+            store::GetError::Unexpected(e) => GetConfigError::Unexpected(e),
         }
     }
 }
@@ -36,11 +36,11 @@ pub enum GetFileError {
     Unexpected(#[from] unexpected::Error),
 }
 
-impl From<config::GetError> for GetFileError {
-    fn from(e: config::GetError) -> Self {
+impl From<store::GetError> for GetFileError {
+    fn from(e: store::GetError) -> Self {
         match e {
-            config::GetError::NotFound => Self::DomainNotFound,
-            config::GetError::Unexpected(e) => Self::Unexpected(e),
+            store::GetError::NotFound => Self::DomainNotFound,
+            store::GetError::Unexpected(e) => Self::Unexpected(e),
         }
     }
 }
@@ -69,11 +69,11 @@ pub enum SyncError {
     Unexpected(#[from] unexpected::Error),
 }
 
-impl From<config::GetError> for SyncError {
-    fn from(e: config::GetError) -> SyncError {
+impl From<store::GetError> for SyncError {
+    fn from(e: store::GetError) -> SyncError {
         match e {
-            config::GetError::NotFound => SyncError::NotFound,
-            config::GetError::Unexpected(e) => SyncError::Unexpected(e),
+            store::GetError::NotFound => SyncError::NotFound,
+            store::GetError::Unexpected(e) => SyncError::Unexpected(e),
         }
     }
 }
@@ -89,8 +89,8 @@ pub enum SyncWithConfigError {
     #[error("already in progress")]
     AlreadyInProgress,
 
-    #[error("target A/AAAA not set")]
-    TargetANotSet,
+    #[error("no service dns records set")]
+    ServiceDNSRecordsNotSet,
 
     #[error("challenge token not set")]
     ChallengeTokenNotSet,
@@ -113,7 +113,9 @@ impl From<origin::SyncError> for SyncWithConfigError {
 impl From<checker::CheckDomainError> for SyncWithConfigError {
     fn from(e: checker::CheckDomainError) -> SyncWithConfigError {
         match e {
-            checker::CheckDomainError::TargetANotSet => SyncWithConfigError::TargetANotSet,
+            checker::CheckDomainError::ServiceDNSRecordsNotSet => {
+                SyncWithConfigError::ServiceDNSRecordsNotSet
+            }
             checker::CheckDomainError::ChallengeTokenNotSet => {
                 SyncWithConfigError::ChallengeTokenNotSet
             }
@@ -122,10 +124,10 @@ impl From<checker::CheckDomainError> for SyncWithConfigError {
     }
 }
 
-impl From<config::SetError> for SyncWithConfigError {
-    fn from(e: config::SetError) -> SyncWithConfigError {
+impl From<store::SetError> for SyncWithConfigError {
+    fn from(e: store::SetError) -> SyncWithConfigError {
         match e {
-            config::SetError::Unexpected(e) => SyncWithConfigError::Unexpected(e),
+            store::SetError::Unexpected(e) => SyncWithConfigError::Unexpected(e),
         }
     }
 }
@@ -134,7 +136,7 @@ pub type GetAcmeHttp01ChallengeKeyError = acme::manager::GetHttp01ChallengeKeyEr
 
 //#[mockall::automock]
 pub trait Manager: Sync + Send + rustls::server::ResolvesServerCert {
-    fn get_config(&self, domain: &domain::Name) -> Result<config::Config, GetConfigError>;
+    fn get_config(&self, domain: &domain::Name) -> Result<domain::Domain, GetConfigError>;
 
     fn get_file<'store>(
         &'store self,
@@ -150,7 +152,7 @@ pub trait Manager: Sync + Send + rustls::server::ResolvesServerCert {
     fn sync_with_config<'mgr>(
         &'mgr self,
         domain: domain::Name,
-        config: config::Config,
+        config: domain::Domain,
     ) -> util::BoxFuture<'mgr, Result<(), SyncWithConfigError>>;
 
     fn get_acme_http01_challenge_key(
@@ -163,7 +165,7 @@ pub trait Manager: Sync + Send + rustls::server::ResolvesServerCert {
 
 pub struct ManagerImpl {
     origin_store: Box<dyn origin::Store + Send + Sync>,
-    domain_config_store: Box<dyn config::Store + Send + Sync>,
+    domain_store: Box<dyn store::Store + Send + Sync>,
     domain_checker: checker::DNSChecker,
     acme_manager: Option<Box<dyn acme::manager::Manager + Send + Sync>>,
 }
@@ -171,18 +173,18 @@ pub struct ManagerImpl {
 impl ManagerImpl {
     pub fn new<
         OriginStore: origin::Store + Send + Sync + 'static,
-        DomainConfigStore: config::Store + Send + Sync + 'static,
+        DomainStore: store::Store + Send + Sync + 'static,
         AcmeManager: acme::manager::Manager + Send + Sync + 'static,
     >(
         task_stack: &mut util::TaskStack<unexpected::Error>,
         origin_store: OriginStore,
-        domain_config_store: DomainConfigStore,
+        domain_store: DomainStore,
         domain_checker: checker::DNSChecker,
         acme_manager: Option<AcmeManager>,
     ) -> sync::Arc<Self> {
         let manager = sync::Arc::new(ManagerImpl {
             origin_store: Box::from(origin_store),
-            domain_config_store: Box::from(domain_config_store),
+            domain_store: Box::from(domain_store),
             domain_checker,
             acme_manager: acme_manager
                 .map(|m| Box::new(m) as Box<dyn acme::manager::Manager + Send + Sync>),
@@ -224,8 +226,8 @@ impl ManagerImpl {
 }
 
 impl Manager for ManagerImpl {
-    fn get_config(&self, domain: &domain::Name) -> Result<config::Config, GetConfigError> {
-        Ok(self.domain_config_store.get(domain)?)
+    fn get_config(&self, domain: &domain::Name) -> Result<domain::Domain, GetConfigError> {
+        Ok(self.domain_store.get(domain)?)
     }
 
     fn get_file<'store>(
@@ -233,7 +235,7 @@ impl Manager for ManagerImpl {
         domain: &domain::Name,
         path: &str,
     ) -> Result<util::BoxByteStream, GetFileError> {
-        let config = self.domain_config_store.get(domain)?;
+        let config = self.domain_store.get(domain)?;
         let f = self.origin_store.get_file(&config.origin_descr, path)?;
         Ok(f)
     }
@@ -254,7 +256,7 @@ impl Manager for ManagerImpl {
     fn sync_with_config<'mgr>(
         &'mgr self,
         domain: domain::Name,
-        config: config::Config,
+        config: domain::Domain,
     ) -> util::BoxFuture<'mgr, Result<(), SyncWithConfigError>> {
         Box::pin(async move {
             let config_hash = config
@@ -267,7 +269,7 @@ impl Manager for ManagerImpl {
 
             self.origin_store.sync(&config.origin_descr)?;
 
-            self.domain_config_store.set(&domain, &config)?;
+            self.domain_store.set(&domain, &config)?;
 
             self.sync_cert(domain).await?;
 
@@ -287,7 +289,7 @@ impl Manager for ManagerImpl {
     }
 
     fn all_domains(&self) -> Result<Vec<domain::Name>, unexpected::Error> {
-        self.domain_config_store.all_domains()
+        self.domain_store.all_domains()
     }
 }
 

src/domain/name.rs

@@ -0,0 +1,79 @@
+use std::fmt;
+use std::str::FromStr;
+
+use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+use trust_dns_client::rr as trust_dns_rr;
+
+#[derive(Debug, Clone)]
+/// Validated representation of a domain name
+pub struct Name {
+    inner: trust_dns_rr::Name,
+    utf8_str: String,
+}
+
+impl Name {
+    pub fn as_str(&self) -> &str {
+        self.utf8_str.as_str()
+    }
+
+    pub fn as_rr(&self) -> &trust_dns_rr::Name {
+        &self.inner
+    }
+}
+
+impl fmt::Display for Name {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}", self.utf8_str)
+    }
+}
+
+impl FromStr for Name {
+    type Err = <trust_dns_rr::Name as FromStr>::Err;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let mut n = trust_dns_rr::Name::from_str(s)?;
+        let utf8_str = n.clone().to_utf8();
+
+        n.set_fqdn(true);
+
+        Ok(Name { inner: n, utf8_str })
+    }
+}
+
+impl Serialize for Name {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        serializer.serialize_str(self.as_str())
+    }
+}
+
+struct NameVisitor;
+
+impl<'de> de::Visitor<'de> for NameVisitor {
+    type Value = Name;
+
+    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
+        write!(formatter, "a valid domain name")
+    }
+
+    fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
+    where
+        E: de::Error,
+    {
+        match Name::from_str(s) {
+            Ok(n) => Ok(n),
+            Err(e) => Err(E::custom(format!("invalid domain name: {}", e))),
+        }
+    }
+}
+
+impl<'de> Deserialize<'de> for Name {
+    fn deserialize<D>(deserializer: D) -> Result<Name, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        deserializer.deserialize_str(NameVisitor)
+    }
+}

src/domain/store.rs

@@ -0,0 +1,142 @@
+use std::path;
+use std::str::FromStr;
+use std::{fs, io};
+
+use crate::domain;
+use crate::error::unexpected::{self, Intoable, Mappable};
+
+#[derive(thiserror::Error, Debug)]
+pub enum GetError {
+    #[error("not found")]
+    NotFound,
+
+    #[error(transparent)]
+    Unexpected(#[from] unexpected::Error),
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum SetError {
+    #[error(transparent)]
+    Unexpected(#[from] unexpected::Error),
+}
+
+#[mockall::automock]
+pub trait Store {
+    fn get(&self, domain: &domain::Name) -> Result<domain::Domain, GetError>;
+    fn set(&self, domain: &domain::Name, config: &domain::Domain) -> Result<(), SetError>;
+    fn all_domains(&self) -> Result<Vec<domain::Name>, unexpected::Error>;
+}
+
+pub struct FSStore {
+    dir_path: path::PathBuf,
+}
+
+impl FSStore {
+    pub fn new(dir_path: &path::Path) -> io::Result<Self> {
+        fs::create_dir_all(dir_path)?;
+        Ok(Self {
+            dir_path: dir_path.into(),
+        })
+    }
+
+    fn config_dir_path(&self, domain: &domain::Name) -> path::PathBuf {
+        self.dir_path.join(domain.as_str())
+    }
+
+    fn config_file_path(&self, domain: &domain::Name) -> path::PathBuf {
+        self.config_dir_path(domain).join("config.json")
+    }
+}
+
+impl Store for FSStore {
+    fn get(&self, domain: &domain::Name) -> Result<domain::Domain, GetError> {
+        let path = self.config_file_path(domain);
+        let config_file = fs::File::open(path.as_path()).map_err(|e| match e.kind() {
+            io::ErrorKind::NotFound => GetError::NotFound,
+            _ => e
+                .into_unexpected_while(format!("opening {}", path.display()))
+                .into(),
+        })?;
+
+        let config = serde_json::from_reader(config_file)
+            .map_unexpected_while(|| format!("json parsing {}", path.display()))?;
+        Ok(config)
+    }
+
+    fn set(&self, domain: &domain::Name, config: &domain::Domain) -> Result<(), SetError> {
+        let dir_path = self.config_dir_path(domain);
+        fs::create_dir_all(dir_path.as_path())
+            .map_unexpected_while(|| format!("creating dir {}", dir_path.display()))?;
+
+        let file_path = self.config_file_path(domain);
+        let config_file = fs::File::create(file_path.as_path())
+            .map_unexpected_while(|| format!("creating file {}", file_path.display()))?;
+
+        serde_json::to_writer(config_file, config)
+            .map_unexpected_while(|| format!("writing config to {}", file_path.display()))?;
+
+        Ok(())
+    }
+
+    fn all_domains(&self) -> Result<Vec<domain::Name>, unexpected::Error> {
+        fs::read_dir(&self.dir_path)
+            .or_unexpected()?
+            .map(
+                |dir_entry_res: io::Result<fs::DirEntry>| -> Result<domain::Name, unexpected::Error> {
+                    let domain = dir_entry_res.or_unexpected()?.file_name();
+                    let domain = domain.to_str().ok_or(unexpected::Error::from(
+                        "couldn't convert os string to &str",
+                    ))?;
+
+                    domain::Name::from_str(domain)
+                        .map_unexpected_while(|| format!("parsing {domain} as domain name"))
+                },
+            )
+            .try_collect()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::{Store, *};
+    use crate::domain;
+    use crate::origin::Descr;
+
+    use std::str::FromStr;
+
+    use tempdir::TempDir;
+
+    #[test]
+    fn basic() {
+        let tmp_dir = TempDir::new("domain_config_store").unwrap();
+
+        let store = FSStore::new(tmp_dir.path()).expect("store created");
+
+        let domain = domain::Name::from_str("foo.com").expect("domain parsed");
+
+        let config = domain::Domain {
+            origin_descr: Descr::Git {
+                url: "bar".to_string(),
+                branch_name: "baz".to_string(),
+            },
+        };
+
+        assert!(matches!(
+            store.get(&domain),
+            Err::<domain::Domain, GetError>(GetError::NotFound)
+        ));
+
+        store.set(&domain, &config).expect("config set");
+        assert_eq!(config, store.get(&domain).expect("config retrieved"));
+
+        let new_config = domain::Domain {
+            origin_descr: Descr::Git {
+                url: "BAR".to_string(),
+                branch_name: "BAZ".to_string(),
+            },
+        };
+
+        store.set(&domain, &new_config).expect("config set");
+        assert_eq!(new_config, store.get(&domain).expect("config retrieved"));
+    }
+}

src/lib.rs

@@ -2,6 +2,7 @@
 #![feature(iterator_try_collect)]
 #![feature(iter_collect_into)]
 
+pub mod config;
 pub mod domain;
 pub mod error;
 pub mod origin;

src/main.rs

@@ -4,9 +4,7 @@ use clap::Parser;
 use futures::stream::StreamExt;
 use signal_hook_tokio::Signals;
 
-use std::net::SocketAddr;
 use std::path;
-use std::str::FromStr;
 
 #[derive(Parser, Debug)]
 #[command(version)]
@@ -23,88 +21,66 @@ struct Cli {
     #[arg(long, default_value_t = false, env = "DOMANI_LOG_TIMESTAMP")]
     log_timestamp: bool,
 
-    #[arg(long, required = true, env = "DOMANI_HTTP_DOMAIN")]
-    http_domain: domani::domain::Name,
-
-    #[arg(long, default_value_t = SocketAddr::from_str("[::]:3030").unwrap(), env = "DOMANI_HTTP_LISTEN_ADDR")]
-    http_listen_addr: SocketAddr,
-
     #[arg(
         long,
-        help = "E.g. '[::]:443', if given then SSL certs will automatically be retrieved for all domains using LetsEncrypt",
-        env = "DOMANI_HTTPS_LISTEN_ADDR",
-        requires = "domain_acme_contact_email",
-        requires = "domain_acme_store_dir_path"
+        help = "Path to config file",
+        required = true,
+        env = "DOMANI_CONFIG_PATH"
     )]
-    https_listen_addr: Option<SocketAddr>,
-
-    #[arg(long, required = true, env = "DOMANI_PASSPHRASE")]
-    passphrase: String,
-
-    #[arg(long, required = true, env = "DOMANI_ORIGIN_STORE_GIT_DIR_PATH")]
-    origin_store_git_dir_path: path::PathBuf,
-
-    #[arg(long, required = true, env = "DOMANI_DOMAIN_CHECKER_TARGET_A")]
-    domain_checker_target_a: std::net::Ipv4Addr,
-
-    #[arg(long, default_value_t = String::from("1.1.1.1:53"), env = "DOMANI_DOMAIN_CHECKER_RESOLVER_ADDR")]
-    domain_checker_resolver_addr: String,
-
-    #[arg(long, required = true, env = "DOMANI_DOMAIN_CONFIG_STORE_DIR_PATH")]
-    domain_config_store_dir_path: path::PathBuf,
-
-    #[arg(long, env = "DOMANI_DOMAIN_ACME_STORE_DIR_PATH")]
-    domain_acme_store_dir_path: Option<path::PathBuf>,
-
-    #[arg(long, env = "DOMANI_DOMAIN_ACME_CONTACT_EMAIL")]
-    domain_acme_contact_email: Option<String>,
+    config_path: path::PathBuf,
 }
 
 #[tokio::main]
 async fn main() {
-    let config = Cli::parse();
+    let cli = Cli::parse();
+
+    let config: domani::config::Config = {
+        let path = &cli.config_path;
+        let f = std::fs::File::open(path)
+            .unwrap_or_else(|e| panic!("failed to open config file at {}: {e}", path.display()));
+        serde_yaml::from_reader(f)
+            .unwrap_or_else(|e| panic!("failed to parse config file at {}: {e}", path.display()))
+    };
 
     env_logger::Builder::new()
-        .filter_level(config.log_level)
+        .filter_level(cli.log_level)
         .format_timestamp(
-            config
-                .log_timestamp
+            cli.log_timestamp
                 .then_some(env_logger::TimestampPrecision::Micros),
         )
         .init();
 
-    let origin_store = domani::origin::git::FSStore::new(config.origin_store_git_dir_path)
+    let origin_store = domani::origin::git::FSStore::new(&config.origin)
         .expect("git origin store initialization failed");
 
-    let domain_checker = domani::domain::checker::DNSChecker::new(
-        config.domain_checker_target_a,
-        &config.domain_checker_resolver_addr,
-    )
-    .await
-    .expect("domain checker initialization failed");
+    let domain_checker = {
+        let dns_records = config.service.dns_records.clone();
+        domani::domain::checker::DNSChecker::new(
+            &config.domain.dns,
+            dns_records.into_iter().map(|r| r.into()).collect(),
+        )
+        .await
+        .expect("domain checker initialization failed")
+    };
 
     let domain_config_store =
-        domani::domain::config::FSStore::new(&config.domain_config_store_dir_path)
+        domani::domain::store::FSStore::new(&config.domain.store_dir_path.join("domains"))
             .expect("domain config store initialization failed");
 
-    let domain_acme_manager = if config.https_listen_addr.is_some() {
-        let domain_acme_store_dir_path = config.domain_acme_store_dir_path.unwrap();
+    let domain_acme_manager = if config.service.http.https_addr.is_some() {
+        let acme_config = config
+            .domain
+            .acme
+            .expect("acme configuration must be set if https is enabled");
 
         let domain_acme_store =
-            domani::domain::acme::store::FSStore::new(&domain_acme_store_dir_path)
+            domani::domain::acme::store::FSStore::new(&config.domain.store_dir_path.join("acme"))
                 .expect("domain acme store initialization failed");
 
-        // if https_listen_addr is set then domain_acme_contact_email is required, see the Cli/clap
-        // settings.
-        let domain_acme_contact_email = config.domain_acme_contact_email.unwrap();
-
         Some(
-            domani::domain::acme::manager::ManagerImpl::new(
-                domain_acme_store,
-                &domain_acme_contact_email,
-            )
-            .await
-            .expect("domain acme manager initialization failed"),
+            domani::domain::acme::manager::ManagerImpl::new(domain_acme_store, &acme_config)
+                .await
+                .expect("domain acme manager initialization failed"),
         )
     } else {
         None
@@ -123,16 +99,8 @@ async fn main() {
     let _ = domani::service::http::new(
         &mut task_stack,
         domain_manager.clone(),
-        config.domain_checker_target_a,
-        config.passphrase,
-        config.http_listen_addr,
-        config.http_domain,
-        config
-            .https_listen_addr
-            .map(|listen_addr| domani::service::http::HTTPSParams {
-                listen_addr,
-                cert_resolver: domain_manager.clone(),
-            }),
+        domain_manager.clone(),
+        config.service,
     );
 
     let mut signals =

src/origin.rs

@@ -1,13 +1,15 @@
-use crate::error::unexpected;
-use crate::util;
-use std::sync;
-
+mod config;
+mod descr;
 pub mod git;
 pub mod mux;
 
-mod descr;
+pub use config::*;
 pub use descr::Descr;
 
+use crate::error::unexpected;
+use crate::util;
+use std::sync;
+
 #[derive(thiserror::Error, Clone, Debug, PartialEq)]
 pub enum SyncError {
     #[error("invalid url")]

src/origin/config.rs

@@ -0,0 +1,7 @@
+use serde::Deserialize;
+use std::path;
+
+#[derive(Deserialize)]
+pub struct Config {
+    pub store_dir_path: path::PathBuf,
+}

src/origin/git.rs

@@ -34,7 +34,8 @@ pub struct FSStore {
 }
 
 impl FSStore {
-    pub fn new(dir_path: PathBuf) -> io::Result<Self> {
+    pub fn new(config: &origin::Config) -> io::Result<Self> {
+        let dir_path = config.store_dir_path.join("git");
         fs::create_dir_all(&dir_path)?;
         Ok(Self {
             dir_path,
@@ -336,13 +337,16 @@ impl super::Store for FSStore {
 
 #[cfg(test)]
 mod tests {
-    use crate::origin::{self, Store};
+    use crate::origin::{self, Config, Store};
     use futures::StreamExt;
     use tempdir::TempDir;
 
     #[tokio::test]
     async fn basic() {
         let tmp_dir = TempDir::new("origin_store_git").unwrap();
+        let config = Config {
+            store_dir_path: tmp_dir.path().to_path_buf(),
+        };
 
         let curr_dir = format!("file://{}", std::env::current_dir().unwrap().display());
 
@@ -356,7 +360,7 @@ mod tests {
             branch_name: String::from("some_other_branch"),
         };
 
-        let store = super::FSStore::new(tmp_dir.path().to_path_buf()).expect("store created");
+        let store = super::FSStore::new(&config).expect("store created");
 
         store.sync(&descr).expect("sync should succeed");
         store.sync(&descr).expect("second sync should succeed");

src/service.rs

@@ -1,2 +1,34 @@
 pub mod http;
 mod util;
+
+use crate::domain;
+use serde::Deserialize;
+use std::{net, str::FromStr};
+
+fn default_primary_domain() -> domain::Name {
+    domain::Name::from_str("localhost").unwrap()
+}
+
+#[derive(Deserialize, Clone)]
+#[serde(tag = "type")]
+pub enum ConfigDNSRecord {
+    A { addr: net::Ipv4Addr },
+}
+
+impl From<ConfigDNSRecord> for domain::checker::DNSRecord {
+    fn from(r: ConfigDNSRecord) -> Self {
+        match r {
+            ConfigDNSRecord::A { addr } => Self::A(addr),
+        }
+    }
+}
+
+#[derive(Deserialize)]
+pub struct Config {
+    #[serde(default = "default_primary_domain")]
+    pub primary_domain: domain::Name,
+    pub passphrase: String,
+    pub dns_records: Vec<ConfigDNSRecord>,
+    #[serde(default)]
+    pub http: self::http::Config,
+}

src/service/http.rs

@@ -1,6 +1,9 @@
+mod config;
 mod tasks;
 mod tpl;
 
+pub use config::*;
+
 use hyper::{Body, Method, Request, Response};
 use serde::{Deserialize, Serialize};
 
@@ -12,57 +15,31 @@ use crate::{domain, service, util};
 
 pub struct Service {
     domain_manager: sync::Arc<dyn domain::manager::Manager>,
-    target_a: net::Ipv4Addr,
-    passphrase: String,
-    http_domain: domain::Name,
+    cert_resolver: sync::Arc<dyn rustls::server::ResolvesServerCert>,
     handlebars: handlebars::Handlebars<'static>,
-}
-
-pub struct HTTPSParams {
-    pub listen_addr: net::SocketAddr,
-    pub cert_resolver: sync::Arc<dyn rustls::server::ResolvesServerCert>,
+    config: service::Config,
 }
 
 pub fn new(
     task_stack: &mut util::TaskStack<unexpected::Error>,
     domain_manager: sync::Arc<dyn domain::manager::Manager>,
-    target_a: net::Ipv4Addr,
-    passphrase: String,
-    http_listen_addr: net::SocketAddr,
-    http_domain: domain::Name,
-    https_params: Option<HTTPSParams>,
+    cert_resolver: sync::Arc<dyn rustls::server::ResolvesServerCert>,
+    config: service::Config,
 ) -> sync::Arc<Service> {
+    let https_enabled = config.http.https_addr.is_some();
+
     let service = sync::Arc::new(Service {
         domain_manager: domain_manager.clone(),
-        target_a,
-        passphrase,
-        http_domain: http_domain.clone(),
+        cert_resolver,
         handlebars: tpl::get(),
+        config,
     });
 
-    task_stack.push_spawn(|canceller| {
-        tasks::listen_http(
-            service.clone(),
-            canceller,
-            http_listen_addr,
-            http_domain.clone(),
-        )
-    });
+    task_stack.push_spawn(|canceller| tasks::listen_http(service.clone(), canceller));
 
-    if let Some(https_params) = https_params {
-        task_stack.push_spawn(|canceller| {
-            tasks::listen_https(
-                service.clone(),
-                canceller,
-                https_params.cert_resolver.clone(),
-                https_params.listen_addr,
-                http_domain.clone(),
-            )
-        });
-
-        task_stack.push_spawn(|canceller| {
-            tasks::cert_refresher(domain_manager.clone(), canceller, http_domain.clone())
-        });
+    if https_enabled {
+        task_stack.push_spawn(|canceller| tasks::listen_https(service.clone(), canceller));
+        task_stack.push_spawn(|canceller| tasks::cert_refresher(service.clone(), canceller));
     }
 
     service
@@ -216,7 +193,7 @@ impl<'svc> Service {
         #[derive(Serialize)]
         struct Response {
             domain: domain::Name,
-            config: Option<domain::config::Config>,
+            config: Option<domain::Domain>,
         }
 
         let config = match self.domain_manager.get_config(&args.domain) {
@@ -255,7 +232,7 @@ impl<'svc> Service {
             challenge_token: String,
         }
 
-        let config: domain::config::Config = match domain_config.try_into() {
+        let config: domain::Domain = match domain_config.try_into() {
             Ok(Some(config)) => config,
             Ok(None) => return self.render_error_page(400, "domain config is required"),
             Err(e) => {
@@ -272,12 +249,21 @@ impl<'svc> Service {
             }
         };
 
+        let target_a = match self
+            .config
+            .dns_records
+            .get(0)
+            .expect("at least one target record expected")
+        {
+            service::ConfigDNSRecord::A { addr } => addr.clone(),
+        };
+
         self.render_page(
             "/domain_init.html",
             Response {
                 domain: args.domain,
                 flat_config: config.into(),
-                target_a: self.target_a,
+                target_a: target_a,
                 challenge_token: config_hash,
             },
         )
@@ -288,11 +274,11 @@ impl<'svc> Service {
         args: DomainSyncArgs,
         domain_config: service::util::FlatConfig,
     ) -> Response<Body> {
-        if args.passphrase != self.passphrase.as_str() {
+        if args.passphrase != self.config.passphrase.as_str() {
             return self.render_error_page(401, "Incorrect passphrase");
         }
 
-        let config: domain::config::Config = match domain_config.try_into() {
+        let config: domain::Domain = match domain_config.try_into() {
             Ok(Some(config)) => config,
             Ok(None) => return self.render_error_page(400, "domain config is required"),
             Err(e) => {
@@ -316,7 +302,7 @@ impl<'svc> Service {
         Err(domain::manager::SyncWithConfigError::InvalidURL) => Some("Fetching the git repository failed, please double check that you input the correct URL.".to_string()),
         Err(domain::manager::SyncWithConfigError::InvalidBranchName) => Some("The git repository does not have a branch of the given name, please double check that you input the correct name.".to_string()),
         Err(domain::manager::SyncWithConfigError::AlreadyInProgress) => Some("The configuration of your domain is still in progress, please refresh in a few minutes.".to_string()),
-        Err(domain::manager::SyncWithConfigError::TargetANotSet) => Some("The A record is not set correctly on the domain. Please double check that you put the correct value on the record. If the value is correct, then most likely the updated records have not yet propagated. In this case you can refresh in a few minutes to try again.".to_string()),
+        Err(domain::manager::SyncWithConfigError::ServiceDNSRecordsNotSet) => Some("None of the expected service DNS records were set on the domain. Please double check that you put the correct value on the record. If the value is correct, then most likely the updated records have not yet propagated. In this case you can refresh in a few minutes to try again.".to_string()),
         Err(domain::manager::SyncWithConfigError::ChallengeTokenNotSet) => Some("The TXT record is not set correctly on the domain. Please double check that you put the correct value on the record. If the value is correct, then most likely the updated records have not yet propagated. In this case you can refresh in a few minutes to try again.".to_string()),
         Err(domain::manager::SyncWithConfigError::Unexpected(e)) => Some(format!("An unexpected error occurred: {e}")),
         };
@@ -358,8 +344,8 @@ impl<'svc> Service {
                 .map(strip_port),
             req.uri().host().map(strip_port),
         ) {
-            (Some(h), _) if h != self.http_domain.as_str() => Some(h),
-            (_, Some(h)) if h != self.http_domain.as_str() => Some(h),
+            (Some(h), _) if h != self.config.primary_domain.as_str() => Some(h),
+            (_, Some(h)) if h != self.config.primary_domain.as_str() => Some(h),
             _ => None,
         }
         .and_then(|h| domain::Name::from_str(h).ok());

src/service/http/config.rs

@@ -0,0 +1,22 @@
+use serde::Deserialize;
+use std::{net, str::FromStr};
+
+fn default_http_addr() -> net::SocketAddr {
+    net::SocketAddr::from_str("[::]:3030").unwrap()
+}
+
+#[derive(Deserialize)]
+pub struct Config {
+    #[serde(default = "default_http_addr")]
+    pub http_addr: net::SocketAddr,
+    pub https_addr: Option<net::SocketAddr>,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            http_addr: default_http_addr(),
+            https_addr: None,
+        }
+    }
+}

src/service/http/tasks.rs

@@ -1,7 +1,7 @@
 use crate::error::unexpected::{self, Mappable};
-use crate::{domain, service};
+use crate::service;
 
-use std::{convert, future, net, sync};
+use std::{convert, future, sync};
 
 use futures::StreamExt;
 use tokio_util::sync::CancellationToken;
@@ -9,9 +9,10 @@ use tokio_util::sync::CancellationToken;
 pub async fn listen_http(
     service: sync::Arc<service::http::Service>,
     canceller: CancellationToken,
-    addr: net::SocketAddr,
-    domain: domain::Name,
 ) -> Result<(), unexpected::Error> {
+    let addr = service.config.http.http_addr.clone();
+    let primary_domain = service.config.primary_domain.clone();
+
     let make_service = hyper::service::make_service_fn(move |_| {
         let service = service.clone();
 
@@ -25,7 +26,11 @@ pub async fn listen_http(
         async move { Ok::<_, convert::Infallible>(hyper_service) }
     });
 
-    log::info!("Listening on http://{}:{}", domain.as_str(), addr.port());
+    log::info!(
+        "Listening on http://{}:{}",
+        primary_domain.as_str(),
+        addr.port(),
+    );
     let server = hyper::Server::bind(&addr).serve(make_service);
 
     let graceful = server.with_graceful_shutdown(async {
@@ -38,10 +43,11 @@ pub async fn listen_http(
 pub async fn listen_https(
     service: sync::Arc<service::http::Service>,
     canceller: CancellationToken,
-    cert_resolver: sync::Arc<dyn rustls::server::ResolvesServerCert>,
-    addr: net::SocketAddr,
-    domain: domain::Name,
 ) -> Result<(), unexpected::Error> {
+    let cert_resolver = service.cert_resolver.clone();
+    let addr = service.config.http.https_addr.unwrap().clone();
+    let primary_domain = service.config.primary_domain.clone();
+
     let make_service = hyper::service::make_service_fn(move |_| {
         let service = service.clone();
 
@@ -77,7 +83,11 @@ pub async fn listen_https(
 
     let incoming = hyper::server::accept::from_stream(incoming);
 
-    log::info!("Listening on https://{}:{}", domain.as_str(), addr.port());
+    log::info!(
+        "Listening on https://{}:{}",
+        primary_domain.as_str(),
+        addr.port()
+    );
 
     let server = hyper::Server::builder(incoming).serve(make_service);
 
@@ -89,12 +99,13 @@ pub async fn listen_https(
 }
 
 pub async fn cert_refresher(
-    domain_manager: sync::Arc<dyn domain::manager::Manager>,
+    service: sync::Arc<service::http::Service>,
     canceller: CancellationToken,
-    http_domain: domain::Name,
 ) -> Result<(), unexpected::Error> {
     use tokio::time;
 
+    let domain_manager = service.domain_manager.clone();
+    let primary_domain = service.config.primary_domain.clone();
     let mut interval = time::interval(time::Duration::from_secs(60 * 60));
 
     loop {
@@ -104,12 +115,12 @@ pub async fn cert_refresher(
         }
 
         _ = domain_manager
-            .sync_cert(http_domain.clone())
+            .sync_cert(primary_domain.clone())
             .await
             .inspect_err(|err| {
                 log::error!(
                     "Error while getting cert for {}: {err}",
-                    http_domain.as_str()
+                    primary_domain.as_str()
                 )
             });
 

src/service/util.rs

@@ -11,7 +11,7 @@ pub struct FlatConfig {
     config_origin_descr_git_branch_name: Option<String>,
 }
 
-impl TryFrom<FlatConfig> for Option<domain::config::Config> {
+impl TryFrom<FlatConfig> for Option<domain::Domain> {
     type Error = String;
 
     fn try_from(v: FlatConfig) -> Result<Self, Self::Error> {
@@ -21,7 +21,7 @@ impl TryFrom<FlatConfig> for Option<domain::config::Config> {
             .as_str()
         {
             "" => Ok(None),
-            "git" => Ok(Some(domain::config::Config {
+            "git" => Ok(Some(domain::Domain {
                 origin_descr: origin::Descr::Git {
                     url: v
                         .config_origin_descr_git_url
@@ -36,8 +36,8 @@ impl TryFrom<FlatConfig> for Option<domain::config::Config> {
     }
 }
 
-impl From<domain::config::Config> for FlatConfig {
-    fn from(v: domain::config::Config) -> Self {
+impl From<domain::Domain> for FlatConfig {
+    fn from(v: domain::Domain) -> Self {
         match v.origin_descr {
             origin::Descr::Git { url, branch_name } => FlatConfig {
                 config_origin_descr_kind: Some("git".to_string()),