[pbs-devel] [PATCH v2 proxmox-backup 17/31] api: sync: move sync job invocation to common module

[Christian Ebner <c.ebner@proxmox.com>]

Moves and refactored the sync_job_do function into a common sync
module so that it can be reused for both sync directions, pull and
push.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 1:
- adapt to new sync direction config type
- refactor log outputs to reduce code and to fix meaning for push
  direction

 src/api2/admin/sync.rs          |  15 +++-
 src/api2/mod.rs                 |   1 +
 src/api2/pull.rs                | 108 --------------------------
 src/api2/sync.rs                | 131 ++++++++++++++++++++++++++++++++
 src/bin/proxmox-backup-proxy.rs |  15 +++-
 5 files changed, 155 insertions(+), 115 deletions(-)
 create mode 100644 src/api2/sync.rs

diff --git a/src/api2/admin/sync.rs b/src/api2/admin/sync.rs
index 4e2ba0be8..5bab1e396 100644
--- a/src/api2/admin/sync.rs
+++ b/src/api2/admin/sync.rs
@@ -10,14 +10,16 @@ use proxmox_router::{
 use proxmox_schema::api;
 use proxmox_sortable_macro::sortable;
 
-use pbs_api_types::{Authid, SyncJobConfig, SyncJobStatus, DATASTORE_SCHEMA, JOB_ID_SCHEMA};
+use pbs_api_types::{
+    Authid, SyncDirection, SyncJobConfig, SyncJobStatus, DATASTORE_SCHEMA, JOB_ID_SCHEMA,
+};
 use pbs_config::sync;
 use pbs_config::CachedUserInfo;
 
 use crate::{
     api2::{
         config::sync::{check_sync_job_modify_access, check_sync_job_read_access},
-        pull::do_sync_job,
+        sync::do_sync_job,
     },
     server::jobstate::{compute_schedule_status, Job, JobState},
 };
@@ -116,7 +118,14 @@ pub fn run_sync_job(
 
     let to_stdout = rpcenv.env_type() == RpcEnvironmentType::CLI;
 
-    let upid_str = do_sync_job(job, sync_job, &auth_id, None, to_stdout)?;
+    let upid_str = do_sync_job(
+        job,
+        sync_job,
+        &auth_id,
+        None,
+        SyncDirection::Pull,
+        to_stdout,
+    )?;
 
     Ok(upid_str)
 }
diff --git a/src/api2/mod.rs b/src/api2/mod.rs
index 03596326b..44e3776a4 100644
--- a/src/api2/mod.rs
+++ b/src/api2/mod.rs
@@ -15,6 +15,7 @@ pub mod pull;
 pub mod push;
 pub mod reader;
 pub mod status;
+pub mod sync;
 pub mod tape;
 pub mod types;
 pub mod version;
diff --git a/src/api2/pull.rs b/src/api2/pull.rs
index e733c9839..d039dab59 100644
--- a/src/api2/pull.rs
+++ b/src/api2/pull.rs
@@ -13,10 +13,8 @@ use pbs_api_types::{
     TRANSFER_LAST_SCHEMA,
 };
 use pbs_config::CachedUserInfo;
-use proxmox_human_byte::HumanByte;
 use proxmox_rest_server::WorkerTask;
 
-use crate::server::jobstate::Job;
 use crate::server::pull::{pull_store, PullParameters};
 
 pub fn check_pull_privs(
@@ -93,112 +91,6 @@ impl TryFrom<&SyncJobConfig> for PullParameters {
     }
 }
 
-pub fn do_sync_job(
-    mut job: Job,
-    sync_job: SyncJobConfig,
-    auth_id: &Authid,
-    schedule: Option<String>,
-    to_stdout: bool,
-) -> Result<String, Error> {
-    let job_id = format!(
-        "{}:{}:{}:{}:{}",
-        sync_job.remote.as_deref().unwrap_or("-"),
-        sync_job.remote_store,
-        sync_job.store,
-        sync_job.ns.clone().unwrap_or_default(),
-        job.jobname()
-    );
-    let worker_type = job.jobtype().to_string();
-
-    if sync_job.remote.is_none() && sync_job.store == sync_job.remote_store {
-        bail!("can't sync to same datastore");
-    }
-
-    let upid_str = WorkerTask::spawn(
-        &worker_type,
-        Some(job_id.clone()),
-        auth_id.to_string(),
-        to_stdout,
-        move |worker| async move {
-            job.start(&worker.upid().to_string())?;
-
-            let worker2 = worker.clone();
-            let sync_job2 = sync_job.clone();
-
-            let worker_future = async move {
-                let pull_params = PullParameters::try_from(&sync_job)?;
-
-                info!("Starting datastore sync job '{job_id}'");
-                if let Some(event_str) = schedule {
-                    info!("task triggered by schedule '{event_str}'");
-                }
-
-                info!(
-                    "sync datastore '{}' from '{}{}'",
-                    sync_job.store,
-                    sync_job
-                        .remote
-                        .as_deref()
-                        .map_or(String::new(), |remote| format!("{remote}/")),
-                    sync_job.remote_store,
-                );
-
-                let pull_stats = pull_store(pull_params).await?;
-
-                if pull_stats.bytes != 0 {
-                    let amount = HumanByte::from(pull_stats.bytes);
-                    let rate = HumanByte::new_binary(
-                        pull_stats.bytes as f64 / pull_stats.elapsed.as_secs_f64(),
-                    );
-                    info!(
-                        "Summary: sync job pulled {amount} in {} chunks (average rate: {rate}/s)",
-                        pull_stats.chunk_count,
-                    );
-                } else {
-                    info!("Summary: sync job found no new data to pull");
-                }
-
-                if let Some(removed) = pull_stats.removed {
-                    info!(
-                        "Summary: removed vanished: snapshots: {}, groups: {}, namespaces: {}",
-                        removed.snapshots, removed.groups, removed.namespaces,
-                    );
-                }
-
-                info!("sync job '{}' end", &job_id);
-
-                Ok(())
-            };
-
-            let mut abort_future = worker2
-                .abort_future()
-                .map(|_| Err(format_err!("sync aborted")));
-
-            let result = select! {
-                worker = worker_future.fuse() => worker,
-                abort = abort_future => abort,
-            };
-
-            let status = worker2.create_state(&result);
-
-            match job.finish(status) {
-                Ok(_) => {}
-                Err(err) => {
-                    eprintln!("could not finish job state: {}", err);
-                }
-            }
-
-            if let Err(err) = crate::server::send_sync_status(&sync_job2, &result) {
-                eprintln!("send sync notification failed: {err}");
-            }
-
-            result
-        },
-    )?;
-
-    Ok(upid_str)
-}
-
 #[api(
     input: {
         properties: {
diff --git a/src/api2/sync.rs b/src/api2/sync.rs
new file mode 100644
index 000000000..8de413556
--- /dev/null
+++ b/src/api2/sync.rs
@@ -0,0 +1,131 @@
+//! Sync datastore from remote server
+use anyhow::{bail, format_err, Error};
+use futures::{future::FutureExt, select};
+use tracing::info;
+
+use pbs_api_types::{Authid, SyncDirection, SyncJobConfig};
+use proxmox_human_byte::HumanByte;
+use proxmox_rest_server::WorkerTask;
+
+use crate::server::jobstate::Job;
+use crate::server::pull::{pull_store, PullParameters};
+use crate::server::push::{push_store, PushParameters};
+
+pub fn do_sync_job(
+    mut job: Job,
+    sync_job: SyncJobConfig,
+    auth_id: &Authid,
+    schedule: Option<String>,
+    sync_direction: SyncDirection,
+    to_stdout: bool,
+) -> Result<String, Error> {
+    let job_id = format!(
+        "{}:{}:{}:{}:{}",
+        sync_job.remote.as_deref().unwrap_or("-"),
+        sync_job.remote_store,
+        sync_job.store,
+        sync_job.ns.clone().unwrap_or_default(),
+        job.jobname(),
+    );
+    let worker_type = job.jobtype().to_string();
+
+    if sync_job.remote.is_none() && sync_job.store == sync_job.remote_store {
+        bail!("can't sync to same datastore");
+    }
+
+    let upid_str = WorkerTask::spawn(
+        &worker_type,
+        Some(job_id.clone()),
+        auth_id.to_string(),
+        to_stdout,
+        move |worker| async move {
+            job.start(&worker.upid().to_string())?;
+
+            let worker2 = worker.clone();
+            let sync_job2 = sync_job.clone();
+
+            let worker_future = async move {
+                info!("Starting datastore sync job '{job_id}'");
+                if let Some(event_str) = schedule {
+                    info!("task triggered by schedule '{event_str}'");
+                }
+                let sync_stats = match sync_direction {
+                    SyncDirection::Pull => {
+                        info!(
+                            "sync datastore '{}' from '{}{}'",
+                            sync_job.store,
+                            sync_job
+                                .remote
+                                .as_deref()
+                                .map_or(String::new(), |remote| format!("{remote}/")),
+                            sync_job.remote_store,
+                        );
+                        let pull_params = PullParameters::try_from(&sync_job)?;
+                        pull_store(pull_params).await?
+                    }
+                    SyncDirection::Push => {
+                        info!(
+                            "sync datastore '{}' to '{}{}'",
+                            sync_job.store,
+                            sync_job
+                                .remote
+                                .as_deref()
+                                .map_or(String::new(), |remote| format!("{remote}/")),
+                            sync_job.remote_store,
+                        );
+                        let push_params = PushParameters::try_from(&sync_job)?;
+                        push_store(push_params).await?
+                    }
+                };
+
+                if sync_stats.bytes != 0 {
+                    let amount = HumanByte::from(sync_stats.bytes);
+                    let rate = HumanByte::new_binary(
+                        sync_stats.bytes as f64 / sync_stats.elapsed.as_secs_f64(),
+                    );
+                    info!(
+                        "Summary: sync job {sync_direction}ed {amount} in {} chunks (average rate: {rate}/s)",
+                        sync_stats.chunk_count,
+                    );
+                } else {
+                    info!("Summary: sync job found no new data to {sync_direction}");
+                }
+
+                if let Some(removed) = sync_stats.removed {
+                    info!(
+                        "Summary: removed vanished: snapshots: {}, groups: {}, namespaces: {}",
+                        removed.snapshots, removed.groups, removed.namespaces,
+                    );
+                }
+
+                info!("sync job '{job_id}' end");
+
+                Ok(())
+            };
+
+            let mut abort_future = worker2
+                .abort_future()
+                .map(|_| Err(format_err!("sync aborted")));
+
+            let result = select! {
+                worker = worker_future.fuse() => worker,
+                abort = abort_future => abort,
+            };
+
+            let status = worker2.create_state(&result);
+
+            match job.finish(status) {
+                Ok(_) => {}
+                Err(err) => eprintln!("could not finish job state: {err}"),
+            }
+
+            if let Err(err) = crate::server::send_sync_status(&sync_job2, &result) {
+                eprintln!("send sync notification failed: {err}");
+            }
+
+            result
+        },
+    )?;
+
+    Ok(upid_str)
+}
diff --git a/src/bin/proxmox-backup-proxy.rs b/src/bin/proxmox-backup-proxy.rs
index 041f3aff9..278adfa43 100644
--- a/src/bin/proxmox-backup-proxy.rs
+++ b/src/bin/proxmox-backup-proxy.rs
@@ -46,8 +46,8 @@ use pbs_buildcfg::configdir;
 use proxmox_time::CalendarEvent;
 
 use pbs_api_types::{
-    Authid, DataStoreConfig, Operation, PruneJobConfig, SyncJobConfig, TapeBackupJobConfig,
-    VerificationJobConfig,
+    Authid, DataStoreConfig, Operation, PruneJobConfig, SyncDirection, SyncJobConfig,
+    TapeBackupJobConfig, VerificationJobConfig,
 };
 
 use proxmox_backup::auth_helpers::*;
@@ -57,7 +57,7 @@ use proxmox_backup::tools::{
     PROXMOX_BACKUP_TCP_KEEPALIVE_TIME,
 };
 
-use proxmox_backup::api2::pull::do_sync_job;
+use proxmox_backup::api2::sync::do_sync_job;
 use proxmox_backup::api2::tape::backup::do_tape_backup_job;
 use proxmox_backup::server::do_prune_job;
 use proxmox_backup::server::do_verification_job;
@@ -630,7 +630,14 @@ async fn schedule_datastore_sync_jobs() {
             };
 
             let auth_id = Authid::root_auth_id().clone();
-            if let Err(err) = do_sync_job(job, job_config, &auth_id, Some(event_str), false) {
+            if let Err(err) = do_sync_job(
+                job,
+                job_config,
+                &auth_id,
+                Some(event_str),
+                SyncDirection::Pull,
+                false,
+            ) {
                 eprintln!("unable to start datastore sync job {job_id} - {err}");
             }
         };
-- 
2.39.2



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