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From: Hannes Laimer <h.laimer@proxmox.com>
To: pbs-devel@lists.proxmox.com
Subject: [pbs-devel] [PATCH proxmox-backup v4 1/6] api2: make Remote for SyncJob optional
Date: Fri, 29 Sep 2023 14:48:56 +0200	[thread overview]
Message-ID: <20230929124901.179405-2-h.laimer@proxmox.com> (raw)
In-Reply-To: <20230929124901.179405-1-h.laimer@proxmox.com>

Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>
---
 pbs-api-types/src/jobs.rs         |  9 ++--
 src/api2/config/remote.rs         |  2 +-
 src/api2/config/sync.rs           | 41 +++++++++++------
 src/api2/node/tasks.rs            |  3 +-
 src/api2/pull.rs                  | 76 +++++++++++++++++++++++--------
 src/bin/proxmox-backup-manager.rs |  6 +--
 src/server/email_notifications.rs | 18 ++++----
 7 files changed, 107 insertions(+), 48 deletions(-)

diff --git a/pbs-api-types/src/jobs.rs b/pbs-api-types/src/jobs.rs
index 23e19b7b..aedee090 100644
--- a/pbs-api-types/src/jobs.rs
+++ b/pbs-api-types/src/jobs.rs
@@ -17,8 +17,8 @@ const_regex! {
 
     /// Regex for verification jobs 'DATASTORE:ACTUAL_JOB_ID'
     pub VERIFICATION_JOB_WORKER_ID_REGEX = concat!(r"^(", PROXMOX_SAFE_ID_REGEX_STR!(), r"):");
-    /// Regex for sync jobs 'REMOTE:REMOTE_DATASTORE:LOCAL_DATASTORE:(?:LOCAL_NS_ANCHOR:)ACTUAL_JOB_ID'
-    pub SYNC_JOB_WORKER_ID_REGEX = concat!(r"^(", PROXMOX_SAFE_ID_REGEX_STR!(), r"):(", PROXMOX_SAFE_ID_REGEX_STR!(), r"):(", PROXMOX_SAFE_ID_REGEX_STR!(), r")(?::(", BACKUP_NS_RE!(), r"))?:");
+    /// Regex for sync jobs '(REMOTE|\-):REMOTE_DATASTORE:LOCAL_DATASTORE:(?:LOCAL_NS_ANCHOR:)ACTUAL_JOB_ID'
+    pub SYNC_JOB_WORKER_ID_REGEX = concat!(r"^(", PROXMOX_SAFE_ID_REGEX_STR!(), r"|\-):(", PROXMOX_SAFE_ID_REGEX_STR!(), r"):(", PROXMOX_SAFE_ID_REGEX_STR!(), r")(?::(", BACKUP_NS_RE!(), r"))?:");
 }
 
 pub const JOB_ID_SCHEMA: Schema = StringSchema::new("Job ID.")
@@ -467,6 +467,7 @@ pub const TRANSFER_LAST_SCHEMA: Schema =
         },
         remote: {
             schema: REMOTE_ID_SCHEMA,
+            optional: true,
         },
         "remote-store": {
             schema: DATASTORE_SCHEMA,
@@ -515,7 +516,9 @@ pub struct SyncJobConfig {
     pub ns: Option<BackupNamespace>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub owner: Option<Authid>,
-    pub remote: String,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    /// None implies local sync.
+    pub remote: Option<String>,
     pub remote_store: String,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub remote_ns: Option<BackupNamespace>,
diff --git a/src/api2/config/remote.rs b/src/api2/config/remote.rs
index 76dd3b89..307cf3cd 100644
--- a/src/api2/config/remote.rs
+++ b/src/api2/config/remote.rs
@@ -268,7 +268,7 @@ pub fn delete_remote(name: String, digest: Option<String>) -> Result<(), Error>
 
     let job_list: Vec<SyncJobConfig> = sync_jobs.convert_to_typed_array("sync")?;
     for job in job_list {
-        if job.remote == name {
+        if job.remote.map_or(false, |id| id == name) {
             param_bail!(
                 "name",
                 "remote '{}' is used by sync job '{}' (datastore '{}')",
diff --git a/src/api2/config/sync.rs b/src/api2/config/sync.rs
index 01e5f2ce..21634bd5 100644
--- a/src/api2/config/sync.rs
+++ b/src/api2/config/sync.rs
@@ -8,8 +8,8 @@ use proxmox_schema::{api, param_bail};
 
 use pbs_api_types::{
     Authid, SyncJobConfig, SyncJobConfigUpdater, JOB_ID_SCHEMA, PRIV_DATASTORE_AUDIT,
-    PRIV_DATASTORE_BACKUP, PRIV_DATASTORE_MODIFY, PRIV_DATASTORE_PRUNE, PRIV_REMOTE_AUDIT,
-    PRIV_REMOTE_READ, PROXMOX_CONFIG_DIGEST_SCHEMA,
+    PRIV_DATASTORE_BACKUP, PRIV_DATASTORE_MODIFY, PRIV_DATASTORE_PRUNE, PRIV_DATASTORE_READ,
+    PRIV_REMOTE_AUDIT, PRIV_REMOTE_READ, PROXMOX_CONFIG_DIGEST_SCHEMA,
 };
 use pbs_config::sync;
 
@@ -25,8 +25,13 @@ pub fn check_sync_job_read_access(
         return false;
     }
 
-    let remote_privs = user_info.lookup_privs(auth_id, &["remote", &job.remote]);
-    remote_privs & PRIV_REMOTE_AUDIT != 0
+    if let Some(remote) = &job.remote {
+        let remote_privs = user_info.lookup_privs(auth_id, &["remote", remote]);
+        remote_privs & PRIV_REMOTE_AUDIT != 0
+    } else {
+        let source_ds_privs = user_info.lookup_privs(auth_id, &["datastore", &job.remote_store]);
+        source_ds_privs & PRIV_DATASTORE_AUDIT != 0
+    }
 }
 
 /// checks whether user can run the corresponding pull job
@@ -63,8 +68,13 @@ pub fn check_sync_job_modify_access(
         return false;
     }
 
-    let remote_privs = user_info.lookup_privs(auth_id, &["remote", &job.remote, &job.remote_store]);
-    remote_privs & PRIV_REMOTE_READ != 0
+    if let Some(remote) = &job.remote {
+        let remote_privs = user_info.lookup_privs(auth_id, &["remote", remote, &job.remote_store]);
+        remote_privs & PRIV_REMOTE_READ != 0
+    } else {
+        let source_ds_privs = user_info.lookup_privs(auth_id, &["datastore", &job.remote_store]);
+        source_ds_privs & PRIV_DATASTORE_READ != 0
+    }
 }
 
 #[api(
@@ -191,6 +201,8 @@ pub fn read_sync_job(id: String, rpcenv: &mut dyn RpcEnvironment) -> Result<Sync
 #[serde(rename_all = "kebab-case")]
 /// Deletable property name
 pub enum DeletableProperty {
+    /// Delete the remote property(-> meaning local).
+    Remote,
     /// Delete the owner property.
     Owner,
     /// Delete the comment property.
@@ -275,6 +287,9 @@ pub fn update_sync_job(
     if let Some(delete) = delete {
         for delete_prop in delete {
             match delete_prop {
+                DeletableProperty::Remote => {
+                    data.remote = None;
+                }
                 DeletableProperty::Owner => {
                     data.owner = None;
                 }
@@ -334,7 +349,7 @@ pub fn update_sync_job(
         data.ns = Some(ns);
     }
     if let Some(remote) = update.remote {
-        data.remote = remote;
+        data.remote = Some(remote);
     }
     if let Some(remote_store) = update.remote_store {
         data.remote_store = remote_store;
@@ -503,7 +518,7 @@ acl:1:/remote/remote1/remotestore1:write@pbs:RemoteSyncOperator
 
     let mut job = SyncJobConfig {
         id: "regular".to_string(),
-        remote: "remote0".to_string(),
+        remote: Some("remote0".to_string()),
         remote_store: "remotestore1".to_string(),
         remote_ns: None,
         store: "localstore0".to_string(),
@@ -538,11 +553,11 @@ acl:1:/remote/remote1/remotestore1:write@pbs:RemoteSyncOperator
     assert!(!check_sync_job_read_access(&user_info, &read_auth_id, &job));
 
     // reading without proper read permissions on local end must fail
-    job.remote = "remote1".to_string();
+    job.remote = Some("remote1".to_string());
     assert!(!check_sync_job_read_access(&user_info, &read_auth_id, &job));
 
     // reading without proper read permissions on remote end must fail
-    job.remote = "remote0".to_string();
+    job.remote = Some("remote0".to_string());
     job.store = "localstore1".to_string();
     assert!(!check_sync_job_read_access(&user_info, &read_auth_id, &job));
 
@@ -555,10 +570,10 @@ acl:1:/remote/remote1/remotestore1:write@pbs:RemoteSyncOperator
     ));
 
     // writing without proper write permissions on local end must fail
-    job.remote = "remote1".to_string();
+    job.remote = Some("remote1".to_string());
 
     // writing without proper write permissions on remote end must fail
-    job.remote = "remote0".to_string();
+    job.remote = Some("remote0".to_string());
     job.store = "localstore1".to_string();
     assert!(!check_sync_job_modify_access(
         &user_info,
@@ -567,7 +582,7 @@ acl:1:/remote/remote1/remotestore1:write@pbs:RemoteSyncOperator
     ));
 
     // reset remote to one where users have access
-    job.remote = "remote1".to_string();
+    job.remote = Some("remote1".to_string());
 
     // user with read permission can only read, but not modify/run
     assert!(check_sync_job_read_access(&user_info, &read_auth_id, &job));
diff --git a/src/api2/node/tasks.rs b/src/api2/node/tasks.rs
index 866361c6..8f08d3af 100644
--- a/src/api2/node/tasks.rs
+++ b/src/api2/node/tasks.rs
@@ -78,11 +78,12 @@ fn check_job_privs(auth_id: &Authid, user_info: &CachedUserInfo, upid: &UPID) ->
                 if let (Some(remote), Some(remote_store), Some(local_store)) =
                     (remote, remote_store, local_store)
                 {
+                    let remote_str = remote.as_str();
                     return check_pull_privs(
                         auth_id,
                         local_store.as_str(),
                         local_ns,
-                        remote.as_str(),
+                        (remote_str != "-").then_some(remote_str),
                         remote_store.as_str(),
                         false,
                     );
diff --git a/src/api2/pull.rs b/src/api2/pull.rs
index daeba7cf..9ed83046 100644
--- a/src/api2/pull.rs
+++ b/src/api2/pull.rs
@@ -1,5 +1,5 @@
 //! Sync datastore from remote server
-use anyhow::{format_err, Error};
+use anyhow::{bail, format_err, Error};
 use futures::{future::FutureExt, select};
 
 use proxmox_router::{Permission, Router, RpcEnvironment};
@@ -8,7 +8,7 @@ use proxmox_sys::task_log;
 
 use pbs_api_types::{
     Authid, BackupNamespace, GroupFilter, RateLimitConfig, SyncJobConfig, DATASTORE_SCHEMA,
-    GROUP_FILTER_LIST_SCHEMA, NS_MAX_DEPTH_REDUCED_SCHEMA, PRIV_DATASTORE_BACKUP,
+    GROUP_FILTER_LIST_SCHEMA, MAX_NAMESPACE_DEPTH, NS_MAX_DEPTH_REDUCED_SCHEMA, PRIV_DATASTORE_BACKUP,
     PRIV_DATASTORE_PRUNE, PRIV_REMOTE_READ, REMOTE_ID_SCHEMA, REMOVE_VANISHED_BACKUPS_SCHEMA,
     TRANSFER_LAST_SCHEMA,
 };
@@ -22,7 +22,7 @@ pub fn check_pull_privs(
     auth_id: &Authid,
     store: &str,
     ns: Option<&str>,
-    remote: &str,
+    remote: Option<&str>,
     remote_store: &str,
     delete: bool,
 ) -> Result<(), Error> {
@@ -39,12 +39,22 @@ pub fn check_pull_privs(
         PRIV_DATASTORE_BACKUP,
         false,
     )?;
-    user_info.check_privs(
-        auth_id,
-        &["remote", remote, remote_store],
-        PRIV_REMOTE_READ,
-        false,
-    )?;
+
+    if let Some(remote) = remote {
+        user_info.check_privs(
+            auth_id,
+            &["remote", remote, remote_store],
+            PRIV_REMOTE_READ,
+            false,
+        )?;
+    } else {
+        user_info.check_privs(
+            auth_id,
+            &["datastore", remote_store],
+            PRIV_DATASTORE_BACKUP,
+            false,
+        )?;
+    }
 
     if delete {
         user_info.check_privs(
@@ -65,7 +75,7 @@ impl TryFrom<&SyncJobConfig> for PullParameters {
         PullParameters::new(
             &sync_job.store,
             sync_job.ns.clone().unwrap_or_default(),
-            &sync_job.remote,
+            sync_job.remote.as_deref().unwrap_or("local"),
             &sync_job.remote_store,
             sync_job.remote_ns.clone().unwrap_or_default(),
             sync_job
@@ -91,7 +101,7 @@ pub fn do_sync_job(
 ) -> Result<String, Error> {
     let job_id = format!(
         "{}:{}:{}:{}:{}",
-        sync_job.remote,
+        sync_job.remote.as_deref().unwrap_or("-"),
         sync_job.remote_store,
         sync_job.store,
         sync_job.ns.clone().unwrap_or_default(),
@@ -99,6 +109,13 @@ pub fn do_sync_job(
     );
     let worker_type = job.jobtype().to_string();
 
+    if sync_job.remote.is_none()
+        && sync_job.store == sync_job.remote_store
+        && sync_job.ns == sync_job.remote_ns
+    {
+        bail!("can't sync, source equals the target");
+    }
+
     let (email, notify) = crate::server::lookup_datastore_notify_settings(&sync_job.store);
 
     let upid_str = WorkerTask::spawn(
@@ -122,13 +139,33 @@ pub fn do_sync_job(
                 }
                 task_log!(
                     worker,
-                    "sync datastore '{}' from '{}/{}'",
+                    "sync datastore '{}' from '{}{}'",
                     sync_job.store,
-                    sync_job.remote,
+                    sync_job
+                        .remote
+                        .as_deref()
+                        .map_or(String::new(), |remote| format!("{remote}/")),
                     sync_job.remote_store,
                 );
 
-                pull_store(&worker, &client, pull_params).await?;
+                if sync_job.remote.is_some() {
+                    pull_store(&worker, &client, pull_params).await?;
+                } else {
+                    if let (Some(target_ns), Some(source_ns)) = (sync_job.ns, sync_job.remote_ns) {
+                        if target_ns.path().starts_with(source_ns.path())
+                            && sync_job.store == sync_job.remote_store
+                            && sync_job.max_depth.map_or(true, |sync_depth| {
+                            target_ns.depth() + sync_depth > MAX_NAMESPACE_DEPTH
+                        }) {
+                            task_log!(
+                                worker,
+                                "Can't sync namespace into one of its sub-namespaces, would exceed maximum namespace depth, skipping"
+                            );
+                        }
+                    } else {
+                        pull_store(&worker, &client, pull_params).await?;
+                    }
+                }
 
                 task_log!(worker, "sync job '{}' end", &job_id);
 
@@ -180,6 +217,7 @@ pub fn do_sync_job(
             },
             remote: {
                 schema: REMOTE_ID_SCHEMA,
+                optional: true,
             },
             "remote-store": {
                 schema: DATASTORE_SCHEMA,
@@ -224,7 +262,7 @@ The delete flag additionally requires the Datastore.Prune privilege on '/datasto
 async fn pull(
     store: String,
     ns: Option<BackupNamespace>,
-    remote: String,
+    remote: Option<String>,
     remote_store: String,
     remote_ns: Option<BackupNamespace>,
     remove_vanished: Option<bool>,
@@ -248,7 +286,7 @@ async fn pull(
         &auth_id,
         &store,
         ns_str.as_deref(),
-        &remote,
+        remote.as_deref(),
         &remote_store,
         delete,
     )?;
@@ -256,7 +294,7 @@ async fn pull(
     let pull_params = PullParameters::new(
         &store,
         ns,
-        &remote,
+        remote.as_deref().unwrap_or("local"),
         &remote_store,
         remote_ns.unwrap_or_default(),
         auth_id.clone(),
@@ -280,7 +318,7 @@ async fn pull(
                 worker,
                 "pull datastore '{}' from '{}/{}'",
                 store,
-                remote,
+                remote.as_deref().unwrap_or("-"),
                 remote_store,
             );
 
@@ -299,4 +337,4 @@ async fn pull(
     Ok(upid_str)
 }
 
-pub const ROUTER: Router = Router::new().post(&API_METHOD_PULL);
+pub const ROUTER: Router = Router::new().post(&API_METHOD_PULL);
\ No newline at end of file
diff --git a/src/bin/proxmox-backup-manager.rs b/src/bin/proxmox-backup-manager.rs
index b4cb6cb3..1dd51951 100644
--- a/src/bin/proxmox-backup-manager.rs
+++ b/src/bin/proxmox-backup-manager.rs
@@ -535,21 +535,21 @@ fn get_remote(param: &HashMap<String, String>) -> Option<String> {
     param.get("remote").map(|r| r.to_owned()).or_else(|| {
         if let Some(id) = param.get("id") {
             if let Ok(job) = get_sync_job(id) {
-                return Some(job.remote);
+                return job.remote;
             }
         }
         None
     })
 }
 
-fn get_remote_store(param: &HashMap<String, String>) -> Option<(String, String)> {
+fn get_remote_store(param: &HashMap<String, String>) -> Option<(Option<String>, String)> {
     let mut job: Option<SyncJobConfig> = None;
 
     let remote = param.get("remote").map(|r| r.to_owned()).or_else(|| {
         if let Some(id) = param.get("id") {
             job = get_sync_job(id).ok();
             if let Some(ref job) = job {
-                return Some(job.remote.clone());
+                return job.remote.clone();
             }
         }
         None
diff --git a/src/server/email_notifications.rs b/src/server/email_notifications.rs
index ea1476d7..18881782 100644
--- a/src/server/email_notifications.rs
+++ b/src/server/email_notifications.rs
@@ -484,15 +484,17 @@ pub fn send_sync_status(
         }
     };
 
+    let tmp_src_string;
+    let source_str = if let Some(remote) = &job.remote {
+        tmp_src_string = format!("Sync remote '{}'", remote);
+        &tmp_src_string
+    } else {
+        "Sync local"
+    };
+
     let subject = match result {
-        Ok(()) => format!(
-            "Sync remote '{}' datastore '{}' successful",
-            job.remote, job.remote_store,
-        ),
-        Err(_) => format!(
-            "Sync remote '{}' datastore '{}' failed",
-            job.remote, job.remote_store,
-        ),
+        Ok(()) => format!("{} datastore '{}' successful", source_str, job.remote_store,),
+        Err(_) => format!("{} datastore '{}' failed", source_str, job.remote_store,),
     };
 
     send_job_status_mail(email, &subject, &text)?;
-- 
2.39.2





  reply	other threads:[~2023-09-29 12:49 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-29 12:48 [pbs-devel] [PATCH proxmox-backup v4 0/6] local sync-jobs Hannes Laimer
2023-09-29 12:48 ` Hannes Laimer [this message]
2023-09-29 12:48 ` [pbs-devel] [PATCH proxmox-backup v4 2/6] ui: add support for optional Remote in SyncJob Hannes Laimer
2023-10-03 17:13   ` Thomas Lamprecht
2023-09-29 12:48 ` [pbs-devel] [PATCH proxmox-backup v4 3/6] manager: add completion for opt. " Hannes Laimer
2023-09-29 12:48 ` [pbs-devel] [PATCH proxmox-backup v4 4/6] accept a ref to a HttpClient Hannes Laimer
2023-09-29 12:49 ` [pbs-devel] [PATCH proxmox-backup v4 5/6] pull: refactor pulling from a datastore Hannes Laimer
2023-09-29 12:49 ` [pbs-devel] [PATCH proxmox-backup v4 6/6] pull: add support for pulling from local datastore Hannes Laimer
2023-10-03 17:17 ` [pbs-devel] [PATCH proxmox-backup v4 0/6] local sync-jobs Thomas Lamprecht

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