feat: ipv6 allocation

closes #9

lnvps_db/migrations/20250327124211_ip_allocation_mode.sql

@@ -0,0 +1,3 @@
+alter table ip_range
+    add column allocation_mode smallint unsigned not null default 0,
+    add column use_full_range bit(1) not null;

lnvps_db/src/model.rs

@@ -247,7 +247,7 @@ pub enum RouterKind {
     OvhAdditionalIp = 1,
 }
 
-#[derive(FromRow, Clone, Debug)]
+#[derive(FromRow, Clone, Debug, Default)]
 pub struct IpRange {
     pub id: u64,
     pub cidr: String,
@@ -256,6 +256,22 @@ pub struct IpRange {
     pub region_id: u64,
     pub reverse_zone_id: Option<String>,
     pub access_policy_id: Option<u64>,
+    pub allocation_mode: IpRangeAllocationMode,
+    /// Use all IPs in the range, including first and last
+    pub use_full_range: bool,
+}
+
+#[derive(Debug, Clone, sqlx::Type, Default)]
+#[repr(u16)]
+/// How ips are allocated from this range
+pub enum IpRangeAllocationMode {
+    /// IPs are assigned in a random order
+    Random = 0,
+    #[default]
+    /// IPs are assigned in sequential order
+    Sequential = 1,
+    /// IP(v6) assignment uses SLAAC EUI-64
+    SlaacEui64 = 2,
 }
 
 #[derive(FromRow, Clone, Debug)]

lnvps_db/src/mysql.rs

@@ -80,13 +80,13 @@ impl LNVpsDb for LNVpsDbMysql {
         Ok(sqlx::query(
             "insert into user_ssh_key(name,user_id,key_data) values(?, ?, ?) returning id",
         )
-            .bind(&new_key.name)
-            .bind(new_key.user_id)
-            .bind(&new_key.key_data)
-            .fetch_one(&self.db)
-            .await
-            .map_err(Error::new)?
-            .try_get(0)?)
+        .bind(&new_key.name)
+        .bind(new_key.user_id)
+        .bind(&new_key.key_data)
+        .fetch_one(&self.db)
+        .await
+        .map_err(Error::new)?
+        .try_get(0)?)
     }
 
     async fn get_user_ssh_key(&self, id: u64) -> Result<UserSshKey> {
@@ -489,9 +489,9 @@ impl LNVpsDb for LNVpsDbMysql {
         sqlx::query_as(
             "select * from vm_payment where is_paid = true order by created desc limit 1",
         )
-            .fetch_optional(&self.db)
-            .await
-            .map_err(Error::new)
+        .fetch_optional(&self.db)
+        .await
+        .map_err(Error::new)
     }
 
     async fn list_custom_pricing(&self, region_id: u64) -> Result<Vec<VmCustomPricing>> {