api-types: add maintenance type

+ bump proxmox-schema dep to 1.2.1 (for quoted property string)

Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>

pbs-api-types/src/maintenance.rs

@@ -0,0 +1,59 @@
+use serde::{Deserialize, Serialize};
+
+use proxmox_schema::{api, ApiStringFormat, const_regex, Schema, StringSchema};
+
+const_regex!{
+    pub MAINTENANCE_MESSAGE_REGEX = r"^[[:^cntrl:]]*$";
+}
+
+pub const MAINTENANCE_MESSAGE_FORMAT: ApiStringFormat =
+    ApiStringFormat::Pattern(&MAINTENANCE_MESSAGE_REGEX);
+
+
+pub const MAINTENANCE_MESSAGE_SCHEMA: Schema =
+    StringSchema::new("Message describing the reason for the maintenance.")
+        .format(&MAINTENANCE_MESSAGE_FORMAT)
+        .max_length(64)
+        .schema();
+
+#[derive(Clone, Copy, Debug)]
+/// Operation requirements, used when checking for maintenance mode.
+pub enum Operation {
+    Read,
+    Write,
+}
+
+#[api]
+#[derive(Deserialize, Serialize)]
+#[serde(rename_all="kebab-case")]
+/// Maintenance type.
+pub enum MaintenanceType {
+    /// Only read operations are allowed on the datastore.
+    ReadOnly,
+    /// Neither read nor write operations are allowed on the datastore.
+    Offline,
+}
+
+#[api(
+    properties: {
+        type: {
+            type: MaintenanceType,
+        },
+        message: {
+            optional: true,
+            schema: MAINTENANCE_MESSAGE_SCHEMA,
+        }
+    },
+    default_key: "type",
+)]
+#[derive(Deserialize, Serialize)]
+/// Maintenance mode
+pub struct MaintenanceMode {
+    /// Type of maintenance ("read-only" or "offline").
+    #[serde(rename = "type")]
+    ty: MaintenanceType,
+
+    /// Reason for maintenance.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    message: Option<String>,
+}