microsandbox_db/entity/
writeback_allocation.rs

1//! Entity definition for active host-global writeback pressure members.
2
3use sea_orm::entity::prelude::*;
4
5//--------------------------------------------------------------------------------------------------
6// Types
7//--------------------------------------------------------------------------------------------------
8
9/// One active dirty-credit pool member owned by a sandbox run.
10#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
11#[sea_orm(table_name = "writeback_allocation")]
12pub struct Model {
13    /// Cryptographically random allocation identifier.
14    #[sea_orm(primary_key, auto_increment = false)]
15    pub id: String,
16    /// Run that originally acquired the membership.
17    ///
18    /// This is deliberately not a foreign key: crash recovery must retain membership even if
19    /// lifecycle cleanup removes the run row before another runtime can inspect the stale lease.
20    pub run_id: i32,
21    /// Owner-only lock-file basename held for the process lifetime.
22    pub lease_name: String,
23    /// Maximum limit passed to each eligible writable raw disk.
24    pub per_disk_limit_bytes: i64,
25    /// Number of disks represented by this membership.
26    pub disk_count: i32,
27    /// Requested maximum across all disks, retained for schema compatibility and diagnostics.
28    pub reserved_bytes: i64,
29    /// Host-global pool requested when the membership was created.
30    pub pool_bytes: i64,
31    /// Linux boot identifier recorded when the member joined the pressure pool.
32    pub boot_id: String,
33    /// Sorted Linux backing-filesystem device identities (`major:minor`, comma-separated).
34    pub backing_devices: String,
35    /// Allocation creation time.
36    pub created_at: DateTime,
37}
38
39/// Writeback memberships intentionally have no cascading database relation.
40#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
41pub enum Relation {}
42
43//--------------------------------------------------------------------------------------------------
44// Trait Implementations
45//--------------------------------------------------------------------------------------------------
46
47impl ActiveModelBehavior for ActiveModel {}
microsandbox_db/entity/writeback_allocation.rs

microsandbox_db/entity/
writeback_allocation.rs
