config: make notify a property string

For example "gc=never,verify=always,sync=error".

src/api2/config/datastore.rs

@@ -5,6 +5,7 @@ use serde_json::Value;
 use ::serde::{Deserialize, Serialize};
 
 use proxmox::api::{api, Router, RpcEnvironment, Permission};
+use proxmox::api::schema::parse_property_string;
 use proxmox::tools::fs::open_file_locked;
 
 use crate::api2::types::*;
@@ -74,7 +75,7 @@ pub fn list_datastores(
             },
             "notify": {
                 optional: true,
-                type: Notify,
+                schema: DATASTORE_NOTIFY_STRING_SCHEMA,
             },
             "gc-schedule": {
                 optional: true,
@@ -218,7 +219,7 @@ pub enum DeletableProperty {
             },
             "notify": {
                 optional: true,
-                type: Notify,
+                schema: DATASTORE_NOTIFY_STRING_SCHEMA,
             },
             "gc-schedule": {
                 optional: true,
@@ -282,7 +283,7 @@ pub fn update_datastore(
     keep_weekly: Option<u64>,
     keep_monthly: Option<u64>,
     keep_yearly: Option<u64>,
-    notify: Option<Notify>,
+    notify: Option<String>,
     notify_user: Option<Userid>,
     delete: Option<Vec<DeletableProperty>>,
     digest: Option<String>,
@@ -346,7 +347,15 @@ pub fn update_datastore(
     if keep_monthly.is_some() { data.keep_monthly = keep_monthly; }
     if keep_yearly.is_some() { data.keep_yearly = keep_yearly; }
 
-    if notify.is_some() { data.notify = notify; }
+    if let Some(notify_str) = notify {
+        let value = parse_property_string(&notify_str, &DatastoreNotify::API_SCHEMA)?;
+        let notify: DatastoreNotify = serde_json::from_value(value)?;
+        if let  DatastoreNotify { gc: None, verify: None, sync: None } = notify {
+            data.notify = None;
+        } else {
+            data.notify = Some(notify_str);
+        }
+    }
     if notify_user.is_some() { data.notify_user = notify_user; }
 
     config.set_data(&name, "datastore", &data)?;

src/api2/types/mod.rs

@@ -1167,3 +1167,35 @@ pub enum Notify {
     /// Send notifications for failed jobs only
     Error,
 }
+
+#[api(
+    properties: {
+        gc: {
+            type: Notify,
+            optional: true,
+        },
+        verify: {
+            type: Notify,
+            optional: true,
+        },
+        sync: {
+            type: Notify,
+            optional: true,
+        },
+    },
+)]
+#[derive(Debug, Serialize, Deserialize)]
+/// Datastore notify settings
+pub struct DatastoreNotify {
+    /// Garbage collection settings
+    pub gc: Option<Notify>,
+    /// Verify job setting
+    pub verify: Option<Notify>,
+    /// Sync job setting
+    pub sync: Option<Notify>,
+}
+
+pub const DATASTORE_NOTIFY_STRING_SCHEMA: Schema = StringSchema::new(
+    "Datastore notification setting")
+    .format(&ApiStringFormat::PropertyString(&DatastoreNotify::API_SCHEMA))
+    .schema();

src/config/datastore.rs

@@ -38,7 +38,7 @@ pub const DIR_NAME_SCHEMA: Schema = StringSchema::new("Directory name").schema()
         },
         "notify": {
             optional: true,
-            type: Notify,
+            schema: DATASTORE_NOTIFY_STRING_SCHEMA,
         },
         comment: {
             optional: true,
@@ -114,7 +114,7 @@ pub struct DataStoreConfig {
     pub notify_user: Option<Userid>,
     /// Send notification only for job errors
     #[serde(skip_serializing_if="Option::is_none")]
-    pub notify: Option<Notify>,
+    pub notify: Option<String>,
 }
 
 fn init() -> SectionConfig {

src/server/email_notifications.rs

@@ -4,6 +4,7 @@ use serde_json::json;
 use handlebars::{Handlebars, Helper, Context, RenderError, RenderContext, Output, HelperResult};
 
 use proxmox::tools::email::sendmail;
+use proxmox::api::schema::parse_property_string;
 
 use crate::{
     config::datastore::DataStoreConfig,
@@ -14,6 +15,7 @@ use crate::{
         GarbageCollectionStatus,
         Userid,
         Notify,
+        DatastoreNotify,
     },
     tools::format::HumanByte,
 };
@@ -190,15 +192,20 @@ fn send_job_status_mail(
 
 pub fn send_gc_status(
     email: &str,
-    notify: Notify,
+    notify: DatastoreNotify,
     datastore: &str,
     status: &GarbageCollectionStatus,
     result: &Result<(), Error>,
 ) -> Result<(), Error> {
 
+    match notify.gc {
+        None => { /* send notifications by default */ },
+        Some(notify) => {
             if notify == Notify::Never || (result.is_ok() && notify == Notify::Error) {
                 return Ok(());
             }
+        }
+    }
 
     let (fqdn, port) = get_server_url();
     let mut data = json!({
@@ -244,15 +251,11 @@ pub fn send_gc_status(
 
 pub fn send_verify_status(
     email: &str,
-    notify: Notify,
+    notify: DatastoreNotify,
     job: VerificationJobConfig,
     result: &Result<Vec<String>, Error>,
 ) -> Result<(), Error> {
 
-    if notify == Notify::Never || (result.is_ok() && notify == Notify::Error) {
-        return Ok(());
-    }
-
     let (fqdn, port) = get_server_url();
     let mut data = json!({
         "job": job,
@@ -260,8 +263,11 @@ pub fn send_verify_status(
         "port": port,
     });
 
+    let mut result_is_ok = false;
+
     let text = match result {
         Ok(errors) if errors.is_empty() => {
+            result_is_ok = true;
             HANDLEBARS.render("verify_ok_template", &data)?
         }
         Ok(errors) => {
@@ -274,6 +280,15 @@ pub fn send_verify_status(
         }
     };
 
+    match notify.verify {
+        None => { /* send notifications by default */ },
+        Some(notify) => {
+            if notify == Notify::Never || (result_is_ok && notify == Notify::Error) {
+                return Ok(());
+            }
+        }
+    }
+
     let subject = match result {
         Ok(errors) if errors.is_empty() => format!(
             "Verify Datastore '{}' successful",
@@ -292,14 +307,19 @@ pub fn send_verify_status(
 
 pub fn send_sync_status(
     email: &str,
-    notify: Notify,
+    notify: DatastoreNotify,
     job: &SyncJobConfig,
     result: &Result<(), Error>,
 ) -> Result<(), Error> {
 
+    match notify.sync {
+        None => { /* send notifications by default */ },
+        Some(notify) => {
             if notify == Notify::Never || (result.is_ok() && notify == Notify::Error) {
                 return Ok(());
             }
+        }
+    }
 
     let (fqdn, port) = get_server_url();
     let mut data = json!({
@@ -399,11 +419,12 @@ fn lookup_user_email(userid: &Userid) -> Option<String> {
 /// Lookup Datastore notify settings
 pub fn lookup_datastore_notify_settings(
     store: &str,
-) -> (Option<String>, Notify) {
+) -> (Option<String>, DatastoreNotify) {
 
-    let mut notify = Notify::Always;
     let mut email = None;
 
+    let notify = DatastoreNotify { gc: None, verify: None, sync: None };
+
     let (config, _digest) = match crate::config::datastore::config() {
         Ok(result) => result,
         Err(_) => return (email, notify),
@@ -419,8 +440,12 @@ pub fn lookup_datastore_notify_settings(
         None => lookup_user_email(Userid::backup_userid()),
     };
 
-    if let Some(value) = config.notify {
+    let notify_str = config.notify.unwrap_or(String::new());
-        notify = value;
+
+    if let Ok(value) = parse_property_string(&notify_str, &DatastoreNotify::API_SCHEMA) {
+        if let Ok(notify) = serde_json::from_value(value) {
+            return (email, notify);
+        }
     }
 
     (email, notify)