microsandbox_db/entity/
sandbox_rootfs.rs

1//! Entity definition for the `sandbox_rootfs` table.
2//!
3//! Pins each sandbox to a manifest digest and runtime mode.
4
5use sea_orm::entity::prelude::*;
6
7//--------------------------------------------------------------------------------------------------
8// Types
9//--------------------------------------------------------------------------------------------------
10
11/// The sandbox rootfs entity model.
12#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
13#[sea_orm(table_name = "sandbox_rootfs")]
14pub struct Model {
15    #[sea_orm(primary_key)]
16    pub id: i32,
17    #[sea_orm(unique)]
18    pub sandbox_id: i32,
19    pub manifest_id: Option<i32>,
20    pub mode: String,
21    pub upper_fstype: Option<String>,
22    /// Root disk kind tag (`managed`, `tmpfs`, `disk-image`). DB default: `managed`.
23    pub root_disk_kind: String,
24    /// Host path of the user-supplied image for `disk-image` root disks.
25    pub root_disk_path: Option<String>,
26    pub created_at: Option<DateTime>,
27}
28
29/// Rootfs source mode stored in the `sandbox_rootfs.mode` column.
30#[derive(Debug, Clone, PartialEq, Eq)]
31pub enum SandboxRootfsMode {
32    /// EROFS fsmerge + VMDK (always 2 block devices).
33    Erofs,
34    /// Host directory bind mount.
35    Bind,
36    /// Pre-existing disk image (qcow2/raw/vmdk).
37    DiskImage,
38}
39
40//--------------------------------------------------------------------------------------------------
41// Methods
42//--------------------------------------------------------------------------------------------------
43
44impl SandboxRootfsMode {
45    /// Database string representation.
46    pub fn as_str(&self) -> &'static str {
47        match self {
48            Self::Erofs => "erofs",
49            Self::Bind => "bind",
50            Self::DiskImage => "disk_image",
51        }
52    }
53
54    /// Parse from database string.
55    pub fn parse_str(s: &str) -> Option<Self> {
56        match s {
57            "erofs" => Some(Self::Erofs),
58            "bind" => Some(Self::Bind),
59            "disk_image" => Some(Self::DiskImage),
60            _ => None,
61        }
62    }
63}
64
65//--------------------------------------------------------------------------------------------------
66// Types: Relations
67//--------------------------------------------------------------------------------------------------
68
69/// Relations for the sandbox_rootfs entity.
70#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
71pub enum Relation {
72    /// Belongs to a sandbox (1:1).
73    #[sea_orm(
74        belongs_to = "super::sandbox::Entity",
75        from = "Column::SandboxId",
76        to = "super::sandbox::Column::Id",
77        on_delete = "Cascade"
78    )]
79    Sandbox,
80
81    /// References a manifest (nullable for bind/disk-image).
82    #[sea_orm(
83        belongs_to = "super::manifest::Entity",
84        from = "Column::ManifestId",
85        to = "super::manifest::Column::Id",
86        on_delete = "Restrict"
87    )]
88    Manifest,
89}
90
91impl Related<super::sandbox::Entity> for Entity {
92    fn to() -> RelationDef {
93        Relation::Sandbox.def()
94    }
95}
96
97impl Related<super::manifest::Entity> for Entity {
98    fn to() -> RelationDef {
99        Relation::Manifest.def()
100    }
101}
102
103//--------------------------------------------------------------------------------------------------
104// Trait Implementations
105//--------------------------------------------------------------------------------------------------
106
107impl ActiveModelBehavior for ActiveModel {}
microsandbox_db/entity/sandbox_rootfs.rs

microsandbox_db/entity/
sandbox_rootfs.rs
