]> git.proxmox.com Git - proxmox-backup.git/blobdiff - src/bin/proxmox-backup-client.rs
administration-guide.rst: update snapshot list output
[proxmox-backup.git] / src / bin / proxmox-backup-client.rs
index 011065484cb8759436895e593a0b37480cdf0ad7..474a0ca5160a54d6a76453017cb03ccd7112b851 100644 (file)
@@ -1,7 +1,7 @@
-use failure::*;
+use anyhow::{bail, format_err, Error};
 use nix::unistd::{fork, ForkResult, pipe};
 use std::os::unix::io::RawFd;
-use chrono::{Local, Utc, TimeZone};
+use chrono::{Local, DateTime, Utc, TimeZone};
 use std::path::{Path, PathBuf};
 use std::collections::{HashSet, HashMap};
 use std::ffi::OsStr;
@@ -9,10 +9,12 @@ use std::io::{Write, Seek, SeekFrom};
 use std::os::unix::fs::OpenOptionsExt;
 
 use proxmox::{sortable, identity};
-use proxmox::tools::fs::{file_get_contents, file_get_json, file_set_contents, image_size};
+use proxmox::tools::fs::{file_get_contents, file_get_json, replace_file, CreateOptions, image_size};
+use proxmox::sys::linux::tty;
 use proxmox::api::{ApiHandler, ApiMethod, RpcEnvironment};
 use proxmox::api::schema::*;
 use proxmox::api::cli::*;
+use proxmox::api::api;
 
 use proxmox_backup::tools;
 use proxmox_backup::api2::types::*;
@@ -34,7 +36,10 @@ use xdg::BaseDirectories;
 use futures::*;
 use tokio::sync::mpsc;
 
-proxmox::api::const_regex! {
+const ENV_VAR_PBS_FINGERPRINT: &str = "PBS_FINGERPRINT";
+const ENV_VAR_PBS_PASSWORD: &str = "PBS_PASSWORD";
+
+proxmox::const_regex! {
     BACKUPSPEC_REGEX = r"^([a-zA-Z0-9_-]+\.(?:pxar|img|conf|log)):(.+)$";
 }
 
@@ -43,6 +48,22 @@ const REPO_URL_SCHEMA: Schema = StringSchema::new("Repository URL.")
     .max_length(256)
     .schema();
 
+const BACKUP_SOURCE_SCHEMA: Schema = StringSchema::new(
+    "Backup source specification ([<label>:<path>]).")
+    .format(&ApiStringFormat::Pattern(&BACKUPSPEC_REGEX))
+    .schema();
+
+const KEYFILE_SCHEMA: Schema = StringSchema::new(
+    "Path to encryption key. All data will be encrypted using this key.")
+    .schema();
+
+const CHUNK_SIZE_SCHEMA: Schema = IntegerSchema::new(
+    "Chunk size in KB. Must be a power of 2.")
+    .minimum(64)
+    .maximum(4096)
+    .default(4096)
+    .schema();
+
 fn get_default_repository() -> Option<String> {
     std::env::var("PBS_REPOSITORY").ok()
 }
@@ -117,7 +138,7 @@ fn record_repository(repo: &BackupRepository) {
 
     let new_data = json!(map);
 
-    let _ = file_set_contents(path, new_data.to_string().as_bytes(), None);
+    let _ = replace_file(path, new_data.to_string().as_bytes(), CreateOptions::new());
 }
 
 fn complete_repository(_arg: &str, _param: &HashMap<String, String>) -> Vec<String> {
@@ -146,6 +167,85 @@ fn complete_repository(_arg: &str, _param: &HashMap<String, String>) -> Vec<Stri
     result
 }
 
+fn connect(server: &str, userid: &str) -> Result<HttpClient, Error> {
+
+    let fingerprint = std::env::var(ENV_VAR_PBS_FINGERPRINT).ok();
+
+    use std::env::VarError::*;
+    let password = match std::env::var(ENV_VAR_PBS_PASSWORD) {
+        Ok(p) => Some(p),
+        Err(NotUnicode(_)) => bail!(format!("{} contains bad characters", ENV_VAR_PBS_PASSWORD)),
+        Err(NotPresent) => None,
+    };
+
+    let options = HttpClientOptions::new()
+        .prefix(Some("proxmox-backup".to_string()))
+        .password(password)
+        .interactive(true)
+        .fingerprint(fingerprint)
+        .fingerprint_cache(true)
+        .ticket_cache(true);
+
+    HttpClient::new(server, userid, options)
+}
+
+async fn view_task_result(
+    client: HttpClient,
+    result: Value,
+    output_format: &str,
+) -> Result<(), Error> {
+    let data = &result["data"];
+    if output_format == "text" {
+        if let Some(upid) = data.as_str() {
+            display_task_log(client, upid, true).await?;
+        }
+    } else {
+        format_and_print_result(&data, &output_format);
+    }
+
+    Ok(())
+}
+
+async fn api_datastore_list_snapshots(
+    client: &HttpClient,
+    store: &str,
+    group: Option<BackupGroup>,
+) -> Result<Value, Error> {
+
+    let path = format!("api2/json/admin/datastore/{}/snapshots", store);
+
+    let mut args = json!({});
+    if let Some(group) = group {
+        args["backup-type"] = group.backup_type().into();
+        args["backup-id"] = group.backup_id().into();
+    }
+
+    let mut result = client.get(&path, Some(args)).await?;
+
+    Ok(result["data"].take())
+}
+
+async fn api_datastore_latest_snapshot(
+    client: &HttpClient,
+    store: &str,
+    group: BackupGroup,
+) -> Result<(String, String, DateTime<Utc>), Error> {
+
+    let list = api_datastore_list_snapshots(client, store, Some(group.clone())).await?;
+    let mut list: Vec<SnapshotListItem> = serde_json::from_value(list)?;
+
+    if list.is_empty() {
+        bail!("backup group {:?} does not contain any snapshots.", group.group_path());
+    }
+
+    list.sort_unstable_by(|a, b| b.backup_time.cmp(&a.backup_time));
+
+    let backup_time = Utc.timestamp(list[0].backup_time, 0);
+
+    Ok((group.backup_type().to_owned(), group.backup_id().to_owned(), backup_time))
+}
+
+
 async fn backup_directory<P: AsRef<Path>>(
     client: &BackupWriter,
     dir_path: P,
@@ -155,10 +255,20 @@ async fn backup_directory<P: AsRef<Path>>(
     verbose: bool,
     skip_lost_and_found: bool,
     crypt_config: Option<Arc<CryptConfig>>,
-    catalog: Arc<Mutex<CatalogWriter<SenderWriter>>>,
+    catalog: Arc<Mutex<CatalogWriter<crate::tools::StdChannelWriter>>>,
+    exclude_pattern: Vec<pxar::MatchPattern>,
+    entries_max: usize,
 ) -> Result<BackupStats, Error> {
 
-    let pxar_stream = PxarBackupStream::open(dir_path.as_ref(), device_set, verbose, skip_lost_and_found, catalog)?;
+    let pxar_stream = PxarBackupStream::open(
+        dir_path.as_ref(),
+        device_set,
+        verbose,
+        skip_lost_and_found,
+        catalog,
+        exclude_pattern,
+        entries_max,
+    )?;
     let mut chunk_stream = ChunkStream::new(pxar_stream, chunk_size);
 
     let (mut tx, rx) = mpsc::channel(10); // allow to buffer 10 chunks
@@ -168,7 +278,9 @@ async fn backup_directory<P: AsRef<Path>>(
 
     // spawn chunker inside a separate task so that it can run parallel
     tokio::spawn(async move {
-        let _ = tx.send_all(&mut chunk_stream).await;
+        while let Some(v) = chunk_stream.next().await {
+            let _ = tx.send(v).await;
+        }
     });
 
     let stats = client
@@ -192,7 +304,7 @@ async fn backup_image<P: AsRef<Path>>(
 
     let file = tokio::fs::File::open(path).await?;
 
-    let stream = tokio::codec::FramedRead::new(file, tokio::codec::BytesCodec::new())
+    let stream = tokio_util::codec::FramedRead::new(file, tokio_util::codec::BytesCodec::new())
         .map_err(Error::from);
 
     let stream = FixedChunkStream::new(stream, chunk_size.unwrap_or(4*1024*1024));
@@ -204,225 +316,235 @@ async fn backup_image<P: AsRef<Path>>(
     Ok(stats)
 }
 
-fn strip_server_file_expenstion(name: &str) -> String {
-
-    if name.ends_with(".didx") || name.ends_with(".fidx") || name.ends_with(".blob") {
-        name[..name.len()-5].to_owned()
-    } else {
-        name.to_owned() // should not happen
-    }
-}
+#[api(
+   input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            "output-format": {
+                schema: OUTPUT_FORMAT,
+                optional: true,
+            },
+        }
+   }
+)]
+/// List backup groups.
+async fn list_backup_groups(param: Value) -> Result<Value, Error> {
 
-fn list_backup_groups(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+    let output_format = get_output_format(&param);
 
     let repo = extract_repository_from_value(&param)?;
 
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let client = connect(repo.host(), repo.user())?;
 
     let path = format!("api2/json/admin/datastore/{}/groups", repo.store());
 
-    let mut result = async_main(async move {
-        client.get(&path, None).await
-    })?;
+    let mut result = client.get(&path, None).await?;
 
     record_repository(&repo);
 
-    // fixme: implement and use output formatter instead ..
-    let list = result["data"].as_array_mut().unwrap();
-
-    list.sort_unstable_by(|a, b| {
-        let a_id = a["backup-id"].as_str().unwrap();
-        let a_backup_type = a["backup-type"].as_str().unwrap();
-        let b_id = b["backup-id"].as_str().unwrap();
-        let b_backup_type = b["backup-type"].as_str().unwrap();
-
-        let type_order = a_backup_type.cmp(b_backup_type);
-        if type_order == std::cmp::Ordering::Equal {
-            a_id.cmp(b_id)
-        } else {
-            type_order
-        }
-    });
-
-    let output_format = param["output-format"].as_str().unwrap_or("text").to_owned();
-
-    let mut result = vec![];
-
-    for item in list {
+    let render_group_path = |_v: &Value, record: &Value| -> Result<String, Error> {
+        let item: GroupListItem = serde_json::from_value(record.to_owned())?;
+        let group = BackupGroup::new(item.backup_type, item.backup_id);
+        Ok(group.group_path().to_str().unwrap().to_owned())
+    };
 
-        let id = item["backup-id"].as_str().unwrap();
-        let btype = item["backup-type"].as_str().unwrap();
-        let epoch = item["last-backup"].as_i64().unwrap();
-        let last_backup = Utc.timestamp(epoch, 0);
-        let backup_count = item["backup-count"].as_u64().unwrap();
+    let render_last_backup = |_v: &Value, record: &Value| -> Result<String, Error> {
+        let item: GroupListItem = serde_json::from_value(record.to_owned())?;
+        let snapshot = BackupDir::new(item.backup_type, item.backup_id, item.last_backup);
+        Ok(snapshot.relative_path().to_str().unwrap().to_owned())
+    };
 
-        let group = BackupGroup::new(btype, id);
+    let render_files = |_v: &Value, record: &Value| -> Result<String, Error> {
+        let item: GroupListItem = serde_json::from_value(record.to_owned())?;
+        Ok(tools::format::render_backup_file_list(&item.files))
+    };
 
-        let path = group.group_path().to_str().unwrap().to_owned();
+    let options = default_table_format_options()
+        .sortby("backup-type", false)
+        .sortby("backup-id", false)
+        .column(ColumnConfig::new("backup-id").renderer(render_group_path).header("group"))
+        .column(
+            ColumnConfig::new("last-backup")
+                .renderer(render_last_backup)
+                .header("last snapshot")
+                .right_align(false)
+        )
+        .column(ColumnConfig::new("backup-count"))
+        .column(ColumnConfig::new("files").renderer(render_files));
 
-        let files = item["files"].as_array().unwrap().iter()
-            .map(|v| strip_server_file_expenstion(v.as_str().unwrap())).collect();
+    let mut data: Value = result["data"].take();
 
-        if output_format == "text" {
-            println!(
-                "{:20} | {} | {:5} | {}",
-                path,
-                BackupDir::backup_time_to_string(last_backup),
-                backup_count,
-                tools::join(&files, ' '),
-            );
-        } else {
-            result.push(json!({
-                "backup-type": btype,
-                "backup-id": id,
-                "last-backup": epoch,
-                "backup-count": backup_count,
-                "files": files,
-            }));
-        }
-    }
+    let info = &proxmox_backup::api2::admin::datastore::API_RETURN_SCHEMA_LIST_GROUPS;
 
-    if output_format != "text" { format_and_print_result(&result.into(), &output_format); }
+    format_and_print_result_full(&mut data, info, &output_format, &options);
 
     Ok(Value::Null)
 }
 
-fn list_snapshots(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+#[api(
+   input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            group: {
+                type: String,
+                description: "Backup group.",
+                optional: true,
+            },
+            "output-format": {
+                schema: OUTPUT_FORMAT,
+                optional: true,
+            },
+        }
+   }
+)]
+/// List backup snapshots.
+async fn list_snapshots(param: Value) -> Result<Value, Error> {
 
     let repo = extract_repository_from_value(&param)?;
 
-    let output_format = param["output-format"].as_str().unwrap_or("text").to_owned();
-
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let output_format = get_output_format(&param);
 
-    let path = format!("api2/json/admin/datastore/{}/snapshots", repo.store());
+    let client = connect(repo.host(), repo.user())?;
 
-    let mut args = json!({});
-    if let Some(path) = param["group"].as_str() {
-        let group = BackupGroup::parse(path)?;
-        args["backup-type"] = group.backup_type().into();
-        args["backup-id"] = group.backup_id().into();
-    }
+    let group = if let Some(path) = param["group"].as_str() {
+        Some(BackupGroup::parse(path)?)
+    } else {
+        None
+    };
 
-    let result = async_main(async move {
-        client.get(&path, Some(args)).await
-    })?;
+    let mut data = api_datastore_list_snapshots(&client, repo.store(), group).await?;
 
     record_repository(&repo);
 
-    let list = result["data"].as_array().unwrap();
-
-    let mut result = vec![];
-
-    for item in list {
-
-        let id = item["backup-id"].as_str().unwrap();
-        let btype = item["backup-type"].as_str().unwrap();
-        let epoch = item["backup-time"].as_i64().unwrap();
-
-        let snapshot = BackupDir::new(btype, id, epoch);
+    let render_snapshot_path = |_v: &Value, record: &Value| -> Result<String, Error> {
+        let item: SnapshotListItem = serde_json::from_value(record.to_owned())?;
+        let snapshot = BackupDir::new(item.backup_type, item.backup_id, item.backup_time);
+        Ok(snapshot.relative_path().to_str().unwrap().to_owned())
+    };
 
-        let path = snapshot.relative_path().to_str().unwrap().to_owned();
+    let render_files = |_v: &Value, record: &Value| -> Result<String, Error> {
+        let item: SnapshotListItem = serde_json::from_value(record.to_owned())?;
+        Ok(tools::format::render_backup_file_list(&item.files))
+    };
 
-        let files = item["files"].as_array().unwrap().iter()
-            .map(|v|  strip_server_file_expenstion(v.as_str().unwrap())).collect();
+    let options = default_table_format_options()
+        .sortby("backup-type", false)
+        .sortby("backup-id", false)
+        .sortby("backup-time", false)
+        .column(ColumnConfig::new("backup-id").renderer(render_snapshot_path).header("snapshot"))
+        .column(ColumnConfig::new("size"))
+        .column(ColumnConfig::new("files").renderer(render_files))
+        ;
 
-        if output_format == "text" {
-            let size_str = if let Some(size) = item["size"].as_u64() {
-                size.to_string()
-            } else {
-                String::from("-")
-            };
-            println!("{} | {} | {}", path, size_str, tools::join(&files, ' '));
-        } else {
-            let mut data = json!({
-                "backup-type": btype,
-                "backup-id": id,
-                "backup-time": epoch,
-                "files": files,
-            });
-            if let Some(size) = item["size"].as_u64() {
-                data["size"] = size.into();
-            }
-            result.push(data);
-        }
-    }
+    let info = &proxmox_backup::api2::admin::datastore::API_RETURN_SCHEMA_LIST_SNAPSHOTS;
 
-    if output_format != "text" { format_and_print_result(&result.into(), &output_format); }
+    format_and_print_result_full(&mut data, info, &output_format, &options);
 
     Ok(Value::Null)
 }
 
-fn forget_snapshots(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+#[api(
+   input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            snapshot: {
+                type: String,
+                description: "Snapshot path.",
+             },
+        }
+   }
+)]
+/// Forget (remove) backup snapshots.
+async fn forget_snapshots(param: Value) -> Result<Value, Error> {
 
     let repo = extract_repository_from_value(&param)?;
 
     let path = tools::required_string_param(&param, "snapshot")?;
     let snapshot = BackupDir::parse(path)?;
 
-    let mut client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let mut client = connect(repo.host(), repo.user())?;
 
     let path = format!("api2/json/admin/datastore/{}/snapshots", repo.store());
 
-    let result = async_main(async move {
-        client.delete(&path, Some(json!({
-            "backup-type": snapshot.group().backup_type(),
-            "backup-id": snapshot.group().backup_id(),
-            "backup-time": snapshot.backup_time().timestamp(),
-        }))).await
-    })?;
+    let result = client.delete(&path, Some(json!({
+        "backup-type": snapshot.group().backup_type(),
+        "backup-id": snapshot.group().backup_id(),
+        "backup-time": snapshot.backup_time().timestamp(),
+    }))).await?;
 
     record_repository(&repo);
 
     Ok(result)
 }
 
-fn api_login(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+#[api(
+   input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+        }
+   }
+)]
+/// Try to login. If successful, store ticket.
+async fn api_login(param: Value) -> Result<Value, Error> {
 
     let repo = extract_repository_from_value(&param)?;
 
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
-    async_main(async move { client.login().await })?;
+    let client = connect(repo.host(), repo.user())?;
+    client.login().await?;
 
     record_repository(&repo);
 
     Ok(Value::Null)
 }
 
-fn api_logout(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+#[api(
+   input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+        }
+   }
+)]
+/// Logout (delete stored ticket).
+fn api_logout(param: Value) -> Result<Value, Error> {
 
     let repo = extract_repository_from_value(&param)?;
 
-    delete_ticket_info(repo.host(), repo.user())?;
+    delete_ticket_info("proxmox-backup", repo.host(), repo.user())?;
 
     Ok(Value::Null)
 }
 
-fn dump_catalog(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+#[api(
+   input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            snapshot: {
+                type: String,
+                description: "Snapshot path.",
+             },
+        }
+   }
+)]
+/// Dump catalog.
+async fn dump_catalog(param: Value) -> Result<Value, Error> {
 
     let repo = extract_repository_from_value(&param)?;
 
@@ -434,118 +556,136 @@ fn dump_catalog(
     let crypt_config = match keyfile {
         None => None,
         Some(path) => {
-            let (key, _) = load_and_decrtypt_key(&path, &get_encryption_key_password)?;
+            let (key, _) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
             Some(Arc::new(CryptConfig::new(key)?))
         }
     };
 
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
-
-    async_main(async move {
-        let client = BackupReader::start(
-            client,
-            crypt_config.clone(),
-            repo.store(),
-            &snapshot.group().backup_type(),
-            &snapshot.group().backup_id(),
-            snapshot.backup_time(),
-            true,
-        ).await?;
+    let client = connect(repo.host(), repo.user())?;
 
-        let manifest = client.download_manifest().await?;
+    let client = BackupReader::start(
+        client,
+        crypt_config.clone(),
+        repo.store(),
+        &snapshot.group().backup_type(),
+        &snapshot.group().backup_id(),
+        snapshot.backup_time(),
+        true,
+    ).await?;
 
-        let index = client.download_dynamic_index(&manifest, CATALOG_NAME).await?;
+    let manifest = client.download_manifest().await?;
 
-        let most_used = index.find_most_used_chunks(8);
+    let index = client.download_dynamic_index(&manifest, CATALOG_NAME).await?;
 
-        let chunk_reader = RemoteChunkReader::new(client.clone(), crypt_config, most_used);
+    let most_used = index.find_most_used_chunks(8);
 
-        let mut reader = BufferedDynamicReader::new(index, chunk_reader);
+    let chunk_reader = RemoteChunkReader::new(client.clone(), crypt_config, most_used);
 
-        let mut catalogfile = std::fs::OpenOptions::new()
-            .write(true)
-            .read(true)
-            .custom_flags(libc::O_TMPFILE)
-            .open("/tmp")?;
+    let mut reader = BufferedDynamicReader::new(index, chunk_reader);
 
-        std::io::copy(&mut reader, &mut catalogfile)
-            .map_err(|err| format_err!("unable to download catalog - {}", err))?;
+    let mut catalogfile = std::fs::OpenOptions::new()
+        .write(true)
+        .read(true)
+        .custom_flags(libc::O_TMPFILE)
+        .open("/tmp")?;
 
-        catalogfile.seek(SeekFrom::Start(0))?;
+    std::io::copy(&mut reader, &mut catalogfile)
+        .map_err(|err| format_err!("unable to download catalog - {}", err))?;
 
-        let mut catalog_reader = CatalogReader::new(catalogfile);
+    catalogfile.seek(SeekFrom::Start(0))?;
 
-        catalog_reader.dump()?;
+    let mut catalog_reader = CatalogReader::new(catalogfile);
 
-        record_repository(&repo);
+    catalog_reader.dump()?;
 
-        Ok::<(), Error>(())
-    })?;
+    record_repository(&repo);
 
     Ok(Value::Null)
 }
 
-fn list_snapshot_files(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+#[api(
+   input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            snapshot: {
+                type: String,
+                description: "Snapshot path.",
+             },
+            "output-format": {
+                schema: OUTPUT_FORMAT,
+                optional: true,
+            },
+        }
+   }
+)]
+/// List snapshot files.
+async fn list_snapshot_files(param: Value) -> Result<Value, Error> {
 
     let repo = extract_repository_from_value(&param)?;
 
     let path = tools::required_string_param(&param, "snapshot")?;
     let snapshot = BackupDir::parse(path)?;
 
-    let output_format = param["output-format"].as_str().unwrap_or("text").to_owned();
+    let output_format = get_output_format(&param);
 
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let client = connect(repo.host(), repo.user())?;
 
     let path = format!("api2/json/admin/datastore/{}/files", repo.store());
 
-    let mut result = async_main(async move {
-        client.get(&path, Some(json!({
-            "backup-type": snapshot.group().backup_type(),
-            "backup-id": snapshot.group().backup_id(),
-            "backup-time": snapshot.backup_time().timestamp(),
-        }))).await
-    })?;
+    let mut result = client.get(&path, Some(json!({
+        "backup-type": snapshot.group().backup_type(),
+        "backup-id": snapshot.group().backup_id(),
+        "backup-time": snapshot.backup_time().timestamp(),
+    }))).await?;
 
     record_repository(&repo);
 
-    let list: Value = result["data"].take();
+    let info = &proxmox_backup::api2::admin::datastore::API_RETURN_SCHEMA_LIST_SNAPSHOT_FILES;
 
-    if output_format == "text" {
-        for item in list.as_array().unwrap().iter() {
-            println!(
-                "{} {}",
-                strip_server_file_expenstion(item["filename"].as_str().unwrap()),
-                item["size"].as_u64().unwrap_or(0),
-            );
-        }
-    } else {
-        format_and_print_result(&list, &output_format);
-    }
+    let mut data: Value = result["data"].take();
+
+    let options = default_table_format_options();
+
+    format_and_print_result_full(&mut data, info, &output_format, &options);
 
     Ok(Value::Null)
 }
 
-fn start_garbage_collection(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+#[api(
+    input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            "output-format": {
+                schema: OUTPUT_FORMAT,
+                optional: true,
+            },
+        },
+    },
+)]
+/// Start garbage collection for a specific repository.
+async fn start_garbage_collection(param: Value) -> Result<Value, Error> {
 
     let repo = extract_repository_from_value(&param)?;
 
-    let mut client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let output_format = get_output_format(&param);
+
+    let mut client = connect(repo.host(), repo.user())?;
 
     let path = format!("api2/json/admin/datastore/{}/gc", repo.store());
 
-    let result = async_main(async move { client.post(&path, None).await })?;
+    let result = client.post(&path, None).await?;
 
     record_repository(&repo);
 
-    Ok(result)
+    view_task_result(client, result, &output_format).await?;
+
+    Ok(Value::Null)
 }
 
 fn parse_backupspec(value: &str) -> Result<(&str, &str), Error> {
@@ -561,16 +701,16 @@ fn spawn_catalog_upload(
     crypt_config: Option<Arc<CryptConfig>>,
 ) -> Result<
         (
-            Arc<Mutex<CatalogWriter<SenderWriter>>>,
+            Arc<Mutex<CatalogWriter<crate::tools::StdChannelWriter>>>,
             tokio::sync::oneshot::Receiver<Result<BackupStats, Error>>
         ), Error>
 {
-    let (catalog_tx, catalog_rx) = mpsc::channel(10); // allow to buffer 10 writes
-    let catalog_stream = catalog_rx.map_err(Error::from);
+    let (catalog_tx, catalog_rx) = std::sync::mpsc::sync_channel(10); // allow to buffer 10 writes
+    let catalog_stream = crate::tools::StdChannelStream(catalog_rx);
     let catalog_chunk_size = 512*1024;
     let catalog_chunk_stream = ChunkStream::new(catalog_stream, Some(catalog_chunk_size));
 
-    let catalog = Arc::new(Mutex::new(CatalogWriter::new(SenderWriter::new(catalog_tx))?));
+    let catalog = Arc::new(Mutex::new(CatalogWriter::new(crate::tools::StdChannelWriter::new(catalog_tx))?));
 
     let (catalog_result_tx, catalog_result_rx) = tokio::sync::oneshot::channel();
 
@@ -590,7 +730,78 @@ fn spawn_catalog_upload(
     Ok((catalog, catalog_result_rx))
 }
 
-fn create_backup(
+#[api(
+   input: {
+       properties: {
+           backupspec: {
+               type: Array,
+               description: "List of backup source specifications ([<label.ext>:<path>] ...)",
+               items: {
+                   schema: BACKUP_SOURCE_SCHEMA,
+               }
+           },
+           repository: {
+               schema: REPO_URL_SCHEMA,
+               optional: true,
+           },
+           "include-dev": {
+               description: "Include mountpoints with same st_dev number (see ``man fstat``) as specified files.",
+               optional: true,
+               items: {
+                   type: String,
+                   description: "Path to file.",
+               }
+           },
+           keyfile: {
+               schema: KEYFILE_SCHEMA,
+               optional: true,
+           },
+           "skip-lost-and-found": {
+               type: Boolean,
+               description: "Skip lost+found directory.",
+               optional: true,
+           },
+           "backup-type": {
+               schema: BACKUP_TYPE_SCHEMA,
+               optional: true,
+           },
+           "backup-id": {
+               schema: BACKUP_ID_SCHEMA,
+               optional: true,
+           },
+           "backup-time": {
+               schema: BACKUP_TIME_SCHEMA,
+               optional: true,
+           },
+           "chunk-size": {
+               schema: CHUNK_SIZE_SCHEMA,
+               optional: true,
+           },
+           "exclude": {
+               type: Array,
+               description: "List of paths or patterns for matching files to exclude.",
+               optional: true,
+               items: {
+                   type: String,
+                   description: "Path or match pattern.",
+                }
+           },
+           "entries-max": {
+               type: Integer,
+               description: "Max number of entries to hold in memory.",
+               optional: true,
+               default: pxar::ENCODER_MAX_ENTRIES as isize,
+           },
+           "verbose": {
+               type: Boolean,
+               description: "Verbose output.",
+               optional: true,
+           },
+       }
+   }
+)]
+/// Create (host) backup.
+async fn create_backup(
     param: Value,
     _info: &ApiMethod,
     _rpcenv: &mut dyn RpcEnvironment,
@@ -622,6 +833,19 @@ fn create_backup(
 
     let include_dev = param["include-dev"].as_array();
 
+    let entries_max = param["entries-max"].as_u64().unwrap_or(pxar::ENCODER_MAX_ENTRIES as u64);
+
+    let empty = Vec::new();
+    let arg_pattern = param["exclude"].as_array().unwrap_or(&empty);
+
+    let mut pattern_list = Vec::with_capacity(arg_pattern.len());
+    for s in arg_pattern {
+        let l = s.as_str().ok_or_else(|| format_err!("Invalid pattern string slice"))?;
+        let p = pxar::MatchPattern::from_line(l.as_bytes())?
+            .ok_or_else(|| format_err!("Invalid match pattern in arguments"))?;
+        pattern_list.push(p);
+    }
+
     let mut devices = if all_file_systems { None } else { Some(HashSet::new()) };
 
     if let Some(include_dev) = include_dev {
@@ -697,7 +921,7 @@ fn create_backup(
 
     let backup_time = Utc.timestamp(backup_time_opt.unwrap_or_else(|| Utc::now().timestamp()), 0);
 
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let client = connect(repo.host(), repo.user())?;
     record_repository(&repo);
 
     println!("Starting backup: {}/{}/{}", backup_type, backup_id, BackupDir::backup_time_to_string(backup_time));
@@ -711,7 +935,7 @@ fn create_backup(
     let (crypt_config, rsa_encrypted_key) = match keyfile {
         None => (None, None),
         Some(path) => {
-            let (key, created) = load_and_decrtypt_key(&path, &get_encryption_key_password)?;
+            let (key, created) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
 
             let crypt_config = CryptConfig::new(key)?;
 
@@ -727,122 +951,122 @@ fn create_backup(
         }
     };
 
-    async_main(async move {
-        let client = BackupWriter::start(
-            client,
-            repo.store(),
-            backup_type,
-            &backup_id,
-            backup_time,
-            verbose,
-        ).await?;
-
-        let snapshot = BackupDir::new(backup_type, backup_id, backup_time.timestamp());
-        let mut manifest = BackupManifest::new(snapshot);
-
-        let (catalog, catalog_result_rx) = spawn_catalog_upload(client.clone(), crypt_config.clone())?;
-
-        for (backup_type, filename, target, size) in upload_list {
-            match backup_type {
-                BackupType::CONFIG => {
-                    println!("Upload config file '{}' to '{:?}' as {}", filename, repo, target);
-                    let stats = client
-                        .upload_blob_from_file(&filename, &target, crypt_config.clone(), true)
-                        .await?;
-                    manifest.add_file(target, stats.size, stats.csum);
-                }
-                BackupType::LOGFILE => { // fixme: remove - not needed anymore ?
-                    println!("Upload log file '{}' to '{:?}' as {}", filename, repo, target);
-                    let stats = client
-                        .upload_blob_from_file(&filename, &target, crypt_config.clone(), true)
-                        .await?;
-                    manifest.add_file(target, stats.size, stats.csum);
-                }
-                BackupType::PXAR => {
-                    println!("Upload directory '{}' to '{:?}' as {}", filename, repo, target);
-                    catalog.lock().unwrap().start_directory(std::ffi::CString::new(target.as_str())?.as_c_str())?;
-                    let stats = backup_directory(
-                        &client,
-                        &filename,
-                        &target,
-                        chunk_size_opt,
-                        devices.clone(),
-                        verbose,
-                        skip_lost_and_found,
-                        crypt_config.clone(),
-                        catalog.clone(),
-                    ).await?;
-                    manifest.add_file(target, stats.size, stats.csum);
-                    catalog.lock().unwrap().end_directory()?;
-                }
-                BackupType::IMAGE => {
-                    println!("Upload image '{}' to '{:?}' as {}", filename, repo, target);
-                    let stats = backup_image(
-                        &client,
-                        &filename,
-                        &target,
-                        size,
-                        chunk_size_opt,
-                        verbose,
-                        crypt_config.clone(),
-                    ).await?;
-                    manifest.add_file(target, stats.size, stats.csum);
-                }
+    let client = BackupWriter::start(
+        client,
+        repo.store(),
+        backup_type,
+        &backup_id,
+        backup_time,
+        verbose,
+    ).await?;
+
+    let snapshot = BackupDir::new(backup_type, backup_id, backup_time.timestamp());
+    let mut manifest = BackupManifest::new(snapshot);
+
+    let (catalog, catalog_result_rx) = spawn_catalog_upload(client.clone(), crypt_config.clone())?;
+
+    for (backup_type, filename, target, size) in upload_list {
+        match backup_type {
+            BackupType::CONFIG => {
+                println!("Upload config file '{}' to '{:?}' as {}", filename, repo, target);
+                let stats = client
+                    .upload_blob_from_file(&filename, &target, crypt_config.clone(), true)
+                    .await?;
+                manifest.add_file(target, stats.size, stats.csum)?;
+            }
+            BackupType::LOGFILE => { // fixme: remove - not needed anymore ?
+                println!("Upload log file '{}' to '{:?}' as {}", filename, repo, target);
+                let stats = client
+                    .upload_blob_from_file(&filename, &target, crypt_config.clone(), true)
+                    .await?;
+                manifest.add_file(target, stats.size, stats.csum)?;
+            }
+            BackupType::PXAR => {
+                println!("Upload directory '{}' to '{:?}' as {}", filename, repo, target);
+                catalog.lock().unwrap().start_directory(std::ffi::CString::new(target.as_str())?.as_c_str())?;
+                let stats = backup_directory(
+                    &client,
+                    &filename,
+                    &target,
+                    chunk_size_opt,
+                    devices.clone(),
+                    verbose,
+                    skip_lost_and_found,
+                    crypt_config.clone(),
+                    catalog.clone(),
+                    pattern_list.clone(),
+                    entries_max as usize,
+                ).await?;
+                manifest.add_file(target, stats.size, stats.csum)?;
+                catalog.lock().unwrap().end_directory()?;
+            }
+            BackupType::IMAGE => {
+                println!("Upload image '{}' to '{:?}' as {}", filename, repo, target);
+                let stats = backup_image(
+                    &client,
+                    &filename,
+                    &target,
+                    size,
+                    chunk_size_opt,
+                    verbose,
+                    crypt_config.clone(),
+                ).await?;
+                manifest.add_file(target, stats.size, stats.csum)?;
             }
         }
+    }
 
-        // finalize and upload catalog
-        if upload_catalog {
-            let mutex = Arc::try_unwrap(catalog)
-                .map_err(|_| format_err!("unable to get catalog (still used)"))?;
-            let mut catalog = mutex.into_inner().unwrap();
+    // finalize and upload catalog
+    if upload_catalog {
+        let mutex = Arc::try_unwrap(catalog)
+            .map_err(|_| format_err!("unable to get catalog (still used)"))?;
+        let mut catalog = mutex.into_inner().unwrap();
 
-            catalog.finish()?;
+        catalog.finish()?;
 
-            drop(catalog); // close upload stream
+        drop(catalog); // close upload stream
 
-            let stats = catalog_result_rx.await??;
+        let stats = catalog_result_rx.await??;
 
-            manifest.add_file(CATALOG_NAME.to_owned(), stats.size, stats.csum);
-        }
+        manifest.add_file(CATALOG_NAME.to_owned(), stats.size, stats.csum)?;
+    }
 
-        if let Some(rsa_encrypted_key) = rsa_encrypted_key {
-            let target = "rsa-encrypted.key";
-            println!("Upload RSA encoded key to '{:?}' as {}", repo, target);
-            let stats = client
-                .upload_blob_from_data(rsa_encrypted_key, target, None, false, false)
-                .await?;
-            manifest.add_file(format!("{}.blob", target), stats.size, stats.csum);
-
-            // openssl rsautl -decrypt -inkey master-private.pem -in rsa-encrypted.key -out t
-            /*
-            let mut buffer2 = vec![0u8; rsa.size() as usize];
-            let pem_data = file_get_contents("master-private.pem")?;
-            let rsa = openssl::rsa::Rsa::private_key_from_pem(&pem_data)?;
-            let len = rsa.private_decrypt(&buffer, &mut buffer2, openssl::rsa::Padding::PKCS1)?;
-            println!("TEST {} {:?}", len, buffer2);
-             */
-        }
+    if let Some(rsa_encrypted_key) = rsa_encrypted_key {
+        let target = "rsa-encrypted.key";
+        println!("Upload RSA encoded key to '{:?}' as {}", repo, target);
+        let stats = client
+            .upload_blob_from_data(rsa_encrypted_key, target, None, false, false)
+            .await?;
+        manifest.add_file(format!("{}.blob", target), stats.size, stats.csum)?;
+
+        // openssl rsautl -decrypt -inkey master-private.pem -in rsa-encrypted.key -out t
+        /*
+        let mut buffer2 = vec![0u8; rsa.size() as usize];
+        let pem_data = file_get_contents("master-private.pem")?;
+        let rsa = openssl::rsa::Rsa::private_key_from_pem(&pem_data)?;
+        let len = rsa.private_decrypt(&buffer, &mut buffer2, openssl::rsa::Padding::PKCS1)?;
+        println!("TEST {} {:?}", len, buffer2);
+         */
+    }
 
-        // create manifest (index.json)
-        let manifest = manifest.into_json();
+    // create manifest (index.json)
+    let manifest = manifest.into_json();
 
-        println!("Upload index.json to '{:?}'", repo);
-        let manifest = serde_json::to_string_pretty(&manifest)?.into();
-        client
-            .upload_blob_from_data(manifest, MANIFEST_BLOB_NAME, crypt_config.clone(), true, true)
-            .await?;
+    println!("Upload index.json to '{:?}'", repo);
+    let manifest = serde_json::to_string_pretty(&manifest)?.into();
+    client
+        .upload_blob_from_data(manifest, MANIFEST_BLOB_NAME, crypt_config.clone(), true, true)
+        .await?;
 
-        client.finish().await?;
+    client.finish().await?;
 
-        let end_time = Local::now();
-        let elapsed = end_time.signed_duration_since(start_time);
-        println!("Duration: {}", elapsed);
+    let end_time = Local::now();
+    let elapsed = end_time.signed_duration_since(start_time);
+    println!("Duration: {}", elapsed);
 
-        println!("End Time: {}", end_time.to_rfc3339_opts(chrono::SecondsFormat::Secs, false));
+    println!("End Time: {}", end_time.to_rfc3339_opts(chrono::SecondsFormat::Secs, false));
 
-        Ok(Value::Null)
-    })
+    Ok(Value::Null)
 }
 
 fn complete_backup_source(arg: &str, param: &HashMap<String, String>) -> Vec<String> {
@@ -866,14 +1090,6 @@ fn complete_backup_source(arg: &str, param: &HashMap<String, String>) -> Vec<Str
     result
 }
 
-fn restore(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
-    async_main(restore_do(param))
-}
-
 fn dump_image<W: Write>(
     client: Arc<BackupReader>,
     crypt_config: Option<Arc<CryptConfig>>,
@@ -919,7 +1135,43 @@ fn dump_image<W: Write>(
     Ok(())
 }
 
-async fn restore_do(param: Value) -> Result<Value, Error> {
+#[api(
+   input: {
+       properties: {
+           repository: {
+               schema: REPO_URL_SCHEMA,
+               optional: true,
+           },
+           snapshot: {
+               type: String,
+               description: "Group/Snapshot path.",
+           },
+           "archive-name": {
+               description: "Backup archive name.",
+               type: String,
+           },
+           target: {
+               type: String,
+               description: r###"Target directory path. Use '-' to write to standard output.
+
+We do not extraxt '.pxar' archives when writing to standard output.
+
+"###
+           },
+           "allow-existing-dirs": {
+               type: Boolean,
+               description: "Do not fail if directories already exists.",
+               optional: true,
+           },
+           keyfile: {
+               schema: KEYFILE_SCHEMA,
+               optional: true,
+           },
+       }
+   }
+)]
+/// Restore backup repository.
+async fn restore(param: Value) -> Result<Value, Error> {
     let repo = extract_repository_from_value(&param)?;
 
     let verbose = param["verbose"].as_bool().unwrap_or(false);
@@ -928,7 +1180,7 @@ async fn restore_do(param: Value) -> Result<Value, Error> {
 
     let archive_name = tools::required_string_param(&param, "archive-name")?;
 
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let client = connect(repo.host(), repo.user())?;
 
     record_repository(&repo);
 
@@ -936,21 +1188,7 @@ async fn restore_do(param: Value) -> Result<Value, Error> {
 
     let (backup_type, backup_id, backup_time) = if path.matches('/').count() == 1 {
         let group = BackupGroup::parse(path)?;
-
-        let path = format!("api2/json/admin/datastore/{}/snapshots", repo.store());
-        let result = client.get(&path, Some(json!({
-            "backup-type": group.backup_type(),
-            "backup-id": group.backup_id(),
-        }))).await?;
-
-        let list = result["data"].as_array().unwrap();
-        if list.is_empty() {
-            bail!("backup group '{}' does not contain any snapshots:", path);
-        }
-
-        let epoch = list[0]["backup-time"].as_i64().unwrap();
-        let backup_time = Utc.timestamp(epoch, 0);
-        (group.backup_type().to_owned(), group.backup_id().to_owned(), backup_time)
+        api_datastore_latest_snapshot(&client, repo.store(), group).await?
     } else {
         let snapshot = BackupDir::parse(path)?;
         (snapshot.group().backup_type().to_owned(), snapshot.group().backup_id().to_owned(), snapshot.backup_time())
@@ -964,7 +1202,7 @@ async fn restore_do(param: Value) -> Result<Value, Error> {
     let crypt_config = match keyfile {
         None => None,
         Some(path) => {
-            let (key, _) = load_and_decrtypt_key(&path, &get_encryption_key_password)?;
+            let (key, _) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
             Some(Arc::new(CryptConfig::new(key)?))
         }
     };
@@ -992,7 +1230,7 @@ async fn restore_do(param: Value) -> Result<Value, Error> {
     if server_archive_name == MANIFEST_BLOB_NAME {
         let backup_index_data = manifest.into_json().to_string();
         if let Some(target) = target {
-            file_set_contents(target, backup_index_data.as_bytes(), None)?;
+            replace_file(target, backup_index_data.as_bytes(), CreateOptions::new())?;
         } else {
             let stdout = std::io::stdout();
             let mut writer = stdout.lock();
@@ -1078,11 +1316,30 @@ async fn restore_do(param: Value) -> Result<Value, Error> {
     Ok(Value::Null)
 }
 
-fn upload_log(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+#[api(
+   input: {
+       properties: {
+           repository: {
+               schema: REPO_URL_SCHEMA,
+               optional: true,
+           },
+           snapshot: {
+               type: String,
+               description: "Group/Snapshot path.",
+           },
+           logfile: {
+               type: String,
+               description: "The path to the log file you want to upload.",
+           },
+           keyfile: {
+               schema: KEYFILE_SCHEMA,
+               optional: true,
+           },
+       }
+   }
+)]
+/// Upload backup log file.
+async fn upload_log(param: Value) -> Result<Value, Error> {
 
     let logfile = tools::required_string_param(&param, "logfile")?;
     let repo = extract_repository_from_value(&param)?;
@@ -1090,14 +1347,14 @@ fn upload_log(
     let snapshot = tools::required_string_param(&param, "snapshot")?;
     let snapshot = BackupDir::parse(snapshot)?;
 
-    let mut client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let mut client = connect(repo.host(), repo.user())?;
 
     let keyfile = param["keyfile"].as_str().map(PathBuf::from);
 
     let crypt_config = match keyfile {
         None => None,
         Some(path) => {
-            let (key, _created) = load_and_decrtypt_key(&path, &get_encryption_key_password)?;
+            let (key, _created) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
             let crypt_config = CryptConfig::new(key)?;
             Some(Arc::new(crypt_config))
         }
@@ -1119,26 +1376,46 @@ fn upload_log(
 
     let body = hyper::Body::from(raw_data);
 
-    async_main(async move {
-        client.upload("application/octet-stream", body, &path, Some(args)).await
-    })
+    client.upload("application/octet-stream", body, &path, Some(args)).await
 }
 
-fn prune(
-    mut param: Value,
+const API_METHOD_PRUNE: ApiMethod = ApiMethod::new(
+    &ApiHandler::Async(&prune),
+    &ObjectSchema::new(
+        "Prune a backup repository.",
+        &proxmox_backup::add_common_prune_prameters!([
+            ("dry-run", true, &BooleanSchema::new(
+                "Just show what prune would do, but do not delete anything.")
+             .schema()),
+            ("group", false, &StringSchema::new("Backup group.").schema()),
+        ], [
+            ("output-format", true, &OUTPUT_FORMAT),
+            ("repository", true, &REPO_URL_SCHEMA),
+        ])
+    )
+);
+
+fn prune<'a>(
+    param: Value,
     _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+    _rpcenv: &'a mut dyn RpcEnvironment,
+) -> proxmox::api::ApiFuture<'a> {
+    async move {
+        prune_async(param).await
+    }.boxed()
+}
 
+async fn prune_async(mut param: Value) -> Result<Value, Error> {
     let repo = extract_repository_from_value(&param)?;
 
-    let mut client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let mut client = connect(repo.host(), repo.user())?;
 
     let path = format!("api2/json/admin/datastore/{}/prune", repo.store());
 
     let group = tools::required_string_param(&param, "group")?;
     let group = BackupGroup::parse(group)?;
-    let output_format = param["output-format"].as_str().unwrap_or("text").to_owned();
+
+    let output_format = get_output_format(&param);
 
     param.as_object_mut().unwrap().remove("repository");
     param.as_object_mut().unwrap().remove("group");
@@ -1147,61 +1424,63 @@ fn prune(
     param["backup-type"] = group.backup_type().into();
     param["backup-id"] = group.backup_id().into();
 
-    async_main(async {
-        let result = client.post(&path, Some(param)).await?;
-
-        record_repository(&repo);
+    let result = client.post(&path, Some(param)).await?;
 
-        let data = &result["data"];
-        if output_format == "text" {
-            if let Some(upid) = data.as_str() {
-                display_task_log(client, upid, true).await?;
-            }
-        } else {
-            format_and_print_result(&data, &output_format);
-        }
+    record_repository(&repo);
 
-        Ok::<_, Error>(())
-    })?;
+    view_task_result(client, result, &output_format).await?;
 
     Ok(Value::Null)
 }
 
-fn status(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
+#[api(
+   input: {
+       properties: {
+           repository: {
+               schema: REPO_URL_SCHEMA,
+               optional: true,
+           },
+           "output-format": {
+               schema: OUTPUT_FORMAT,
+               optional: true,
+           },
+       }
+   }
+)]
+/// Get repository status.
+async fn status(param: Value) -> Result<Value, Error> {
 
     let repo = extract_repository_from_value(&param)?;
 
-    let output_format = param["output-format"].as_str().unwrap_or("text").to_owned();
+    let output_format = get_output_format(&param);
 
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let client = connect(repo.host(), repo.user())?;
 
     let path = format!("api2/json/admin/datastore/{}/status", repo.store());
 
-    let result = async_main(async move { client.get(&path, None).await })?;
-    let data = &result["data"];
+    let mut result = client.get(&path, None).await?;
+    let mut data = result["data"].take();
 
     record_repository(&repo);
 
-    if output_format == "text" {
-        let total = data["total"].as_u64().unwrap();
-        let used = data["used"].as_u64().unwrap();
-        let avail = data["avail"].as_u64().unwrap();
+    let render_total_percentage = |v: &Value, record: &Value| -> Result<String, Error> {
+        let v = v.as_u64().unwrap();
+        let total = record["total"].as_u64().unwrap();
         let roundup = total/200;
+        let per = ((v+roundup)*100)/total;
+        let info = format!(" ({} %)", per);
+        Ok(format!("{} {:>8}", v, info))
+    };
 
-        println!(
-            "total: {} used: {} ({} %) available: {}",
-            total,
-            used,
-            ((used+roundup)*100)/total,
-            avail,
-        );
-    } else {
-        format_and_print_result(data, &output_format);
-    }
+    let options = default_table_format_options()
+        .noheader(true)
+        .column(ColumnConfig::new("total").renderer(render_total_percentage))
+        .column(ColumnConfig::new("used").renderer(render_total_percentage))
+        .column(ColumnConfig::new("avail").renderer(render_total_percentage));
+
+    let schema = &proxmox_backup::api2::admin::datastore::API_RETURN_SCHEMA_STATUS;
+
+    format_and_print_result_full(&mut data, schema, &output_format, &options);
 
     Ok(Value::Null)
 }
@@ -1209,7 +1488,18 @@ fn status(
 // like get, but simply ignore errors and return Null instead
 async fn try_get(repo: &BackupRepository, url: &str) -> Value {
 
-    let client = match HttpClient::new(repo.host(), repo.user(), None) {
+    let fingerprint = std::env::var(ENV_VAR_PBS_FINGERPRINT).ok();
+    let password = std::env::var(ENV_VAR_PBS_PASSWORD).ok();
+
+    let options = HttpClientOptions::new()
+        .prefix(Some("proxmox-backup".to_string()))
+        .password(password)
+        .interactive(false)
+        .fingerprint(fingerprint)
+        .fingerprint_cache(true)
+        .ticket_cache(true);
+
+    let client = match HttpClient::new(repo.host(), repo.user(), options) {
         Ok(v) => v,
         _ => return Value::Null,
     };
@@ -1228,7 +1518,7 @@ async fn try_get(repo: &BackupRepository, url: &str) -> Value {
 }
 
 fn complete_backup_group(_arg: &str, param: &HashMap<String, String>) -> Vec<String> {
-    async_main(async { complete_backup_group_do(param).await })
+    proxmox_backup::tools::runtime::main(async { complete_backup_group_do(param).await })
 }
 
 async fn complete_backup_group_do(param: &HashMap<String, String>) -> Vec<String> {
@@ -1258,7 +1548,7 @@ async fn complete_backup_group_do(param: &HashMap<String, String>) -> Vec<String
 }
 
 fn complete_group_or_snapshot(arg: &str, param: &HashMap<String, String>) -> Vec<String> {
-    async_main(async { complete_group_or_snapshot_do(arg, param).await })
+    proxmox_backup::tools::runtime::main(async { complete_group_or_snapshot_do(arg, param).await })
 }
 
 async fn complete_group_or_snapshot_do(arg: &str, param: &HashMap<String, String>) -> Vec<String> {
@@ -1277,7 +1567,7 @@ async fn complete_group_or_snapshot_do(arg: &str, param: &HashMap<String, String
 }
 
 fn complete_backup_snapshot(_arg: &str, param: &HashMap<String, String>) -> Vec<String> {
-    async_main(async { complete_backup_snapshot_do(param).await })
+    proxmox_backup::tools::runtime::main(async { complete_backup_snapshot_do(param).await })
 }
 
 async fn complete_backup_snapshot_do(param: &HashMap<String, String>) -> Vec<String> {
@@ -1308,7 +1598,7 @@ async fn complete_backup_snapshot_do(param: &HashMap<String, String>) -> Vec<Str
 }
 
 fn complete_server_file_name(_arg: &str, param: &HashMap<String, String>) -> Vec<String> {
-    async_main(async { complete_server_file_name_do(param).await })
+    proxmox_backup::tools::runtime::main(async { complete_server_file_name_do(param).await })
 }
 
 async fn complete_server_file_name_do(param: &HashMap<String, String>) -> Vec<String> {
@@ -1354,7 +1644,7 @@ async fn complete_server_file_name_do(param: &HashMap<String, String>) -> Vec<St
 fn complete_archive_name(arg: &str, param: &HashMap<String, String>) -> Vec<String> {
     complete_server_file_name(arg, param)
         .iter()
-        .map(|v| strip_server_file_expenstion(&v))
+        .map(|v| tools::format::strip_server_file_expenstion(&v))
         .collect()
 }
 
@@ -1362,7 +1652,7 @@ fn complete_pxar_archive_name(arg: &str, param: &HashMap<String, String>) -> Vec
     complete_server_file_name(arg, param)
         .iter()
         .filter_map(|v| {
-            let name = strip_server_file_expenstion(&v);
+            let name = tools::format::strip_server_file_expenstion(&v);
             if name.ends_with(".pxar") {
                 Some(name)
             } else {
@@ -1400,8 +1690,8 @@ fn get_encryption_key_password() -> Result<Vec<u8>, Error> {
     }
 
     // If we're on a TTY, query the user for a password
-    if crate::tools::tty::stdin_isatty() {
-        return Ok(crate::tools::tty::read_password("Encryption Key Password: ")?);
+    if tty::stdin_isatty() {
+        return Ok(tty::read_password("Encryption Key Password: ")?);
     }
 
     bail!("no password input mechanism available");
@@ -1422,11 +1712,11 @@ fn key_create(
 
     if kdf == "scrypt" {
         // always read passphrase from tty
-        if !crate::tools::tty::stdin_isatty() {
+        if !tty::stdin_isatty() {
             bail!("unable to read passphrase - no tty");
         }
 
-        let password = crate::tools::tty::read_password("Encryption Key Password: ")?;
+        let password = tty::read_and_verify_password("Encryption Key Password: ")?;
 
         let key_config = encrypt_key_with_passphrase(&key, &password)?;
 
@@ -1475,7 +1765,7 @@ fn key_import_master_pubkey(
 
     let target_path = master_pubkey_path()?;
 
-    file_set_contents(&target_path, &pem_data, None)?;
+    replace_file(&target_path, &pem_data, CreateOptions::new())?;
 
     println!("Imported public master key to {:?}", target_path);
 
@@ -1489,35 +1779,27 @@ fn key_create_master_key(
 ) -> Result<Value, Error> {
 
     // we need a TTY to query the new password
-    if !crate::tools::tty::stdin_isatty() {
+    if !tty::stdin_isatty() {
         bail!("unable to create master key - no tty");
     }
 
     let rsa = openssl::rsa::Rsa::generate(4096)?;
     let pkey = openssl::pkey::PKey::from_rsa(rsa)?;
 
-    let new_pw = String::from_utf8(crate::tools::tty::read_password("Master Key Password: ")?)?;
-    let verify_pw = String::from_utf8(crate::tools::tty::read_password("Verify Password: ")?)?;
 
-    if new_pw != verify_pw {
-        bail!("Password verification fail!");
-    }
-
-    if new_pw.len() < 5 {
-        bail!("Password is too short!");
-    }
+    let password = String::from_utf8(tty::read_and_verify_password("Master Key Password: ")?)?;
 
     let pub_key: Vec<u8> = pkey.public_key_to_pem()?;
     let filename_pub = "master-public.pem";
     println!("Writing public master key to {}", filename_pub);
-    file_set_contents(filename_pub, pub_key.as_slice(), None)?;
+    replace_file(filename_pub, pub_key.as_slice(), CreateOptions::new())?;
 
     let cipher = openssl::symm::Cipher::aes_256_cbc();
-    let priv_key: Vec<u8> = pkey.private_key_to_pem_pkcs8_passphrase(cipher, new_pw.as_bytes())?;
+    let priv_key: Vec<u8> = pkey.private_key_to_pem_pkcs8_passphrase(cipher, password.as_bytes())?;
 
     let filename_priv = "master-private.pem";
     println!("Writing private master key to {}", filename_priv);
-    file_set_contents(filename_priv, priv_key.as_slice(), None)?;
+    replace_file(filename_priv, priv_key.as_slice(), CreateOptions::new())?;
 
     Ok(Value::Null)
 }
@@ -1534,26 +1816,17 @@ fn key_change_passphrase(
     let kdf = param["kdf"].as_str().unwrap_or("scrypt");
 
     // we need a TTY to query the new password
-    if !crate::tools::tty::stdin_isatty() {
+    if !tty::stdin_isatty() {
         bail!("unable to change passphrase - no tty");
     }
 
-    let (key, created) = load_and_decrtypt_key(&path, &get_encryption_key_password)?;
+    let (key, created) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
 
     if kdf == "scrypt" {
 
-        let new_pw = String::from_utf8(crate::tools::tty::read_password("New Password: ")?)?;
-        let verify_pw = String::from_utf8(crate::tools::tty::read_password("Verify Password: ")?)?;
+        let password = tty::read_and_verify_password("New Password: ")?;
 
-        if new_pw != verify_pw {
-            bail!("Password verification fail!");
-        }
-
-        if new_pw.len() < 5 {
-            bail!("Password is too short!");
-        }
-
-        let mut new_key_config = encrypt_key_with_passphrase(&key, new_pw.as_bytes())?;
+        let mut new_key_config = encrypt_key_with_passphrase(&key, &password)?;
         new_key_config.created = created; // keep original value
 
         store_key_config(&path, true, new_key_config)?;
@@ -1579,7 +1852,9 @@ fn key_mgmt_cli() -> CliCommandMap {
 
     const KDF_SCHEMA: Schema =
         StringSchema::new("Key derivation function. Choose 'none' to store the key unecrypted.")
-        .format(&ApiStringFormat::Enum(&["scrypt", "none"]))
+        .format(&ApiStringFormat::Enum(&[
+            EnumEntry::new("scrypt", "SCrypt"),
+            EnumEntry::new("none", "Do not encrypt the key")]))
         .default("scrypt")
         .schema();
 
@@ -1636,10 +1911,10 @@ fn key_mgmt_cli() -> CliCommandMap {
         .completion_cb("path", tools::complete_file_name);
 
     CliCommandMap::new()
-        .insert("create".to_owned(), key_create_cmd_def.into())
-        .insert("create-master-key".to_owned(), key_create_master_key_cmd_def.into())
-        .insert("import-master-pubkey".to_owned(), key_import_master_pubkey_cmd_def.into())
-        .insert("change-passphrase".to_owned(), key_change_passphrase_cmd_def.into())
+        .insert("create", key_create_cmd_def)
+        .insert("create-master-key", key_create_master_key_cmd_def)
+        .insert("import-master-pubkey", key_import_master_pubkey_cmd_def)
+        .insert("change-passphrase", key_change_passphrase_cmd_def)
 }
 
 fn mount(
@@ -1651,7 +1926,7 @@ fn mount(
     if verbose {
         // This will stay in foreground with debug output enabled as None is
         // passed for the RawFd.
-        return async_main(mount_do(param, None));
+        return proxmox_backup::tools::runtime::main(mount_do(param, None));
     }
 
     // Process should be deamonized.
@@ -1667,7 +1942,7 @@ fn mount(
         Ok(ForkResult::Child) => {
             nix::unistd::close(pipe.0).unwrap();
             nix::unistd::setsid().unwrap();
-            async_main(mount_do(param, Some(pipe.1)))
+            proxmox_backup::tools::runtime::main(mount_do(param, Some(pipe.1)))
         }
         Err(_) => bail!("failed to daemonize process"),
     }
@@ -1677,28 +1952,14 @@ async fn mount_do(param: Value, pipe: Option<RawFd>) -> Result<Value, Error> {
     let repo = extract_repository_from_value(&param)?;
     let archive_name = tools::required_string_param(&param, "archive-name")?;
     let target = tools::required_string_param(&param, "target")?;
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let client = connect(repo.host(), repo.user())?;
 
     record_repository(&repo);
 
     let path = tools::required_string_param(&param, "snapshot")?;
     let (backup_type, backup_id, backup_time) = if path.matches('/').count() == 1 {
         let group = BackupGroup::parse(path)?;
-
-        let path = format!("api2/json/admin/datastore/{}/snapshots", repo.store());
-        let result = client.get(&path, Some(json!({
-            "backup-type": group.backup_type(),
-            "backup-id": group.backup_id(),
-        }))).await?;
-
-        let list = result["data"].as_array().unwrap();
-        if list.is_empty() {
-            bail!("backup group '{}' does not contain any snapshots:", path);
-        }
-
-        let epoch = list[0]["backup-time"].as_i64().unwrap();
-        let backup_time = Utc.timestamp(epoch, 0);
-        (group.backup_type().to_owned(), group.backup_id().to_owned(), backup_time)
+        api_datastore_latest_snapshot(&client, repo.store(), group).await?
     } else {
         let snapshot = BackupDir::parse(path)?;
         (snapshot.group().backup_type().to_owned(), snapshot.group().backup_id().to_owned(), snapshot.backup_time())
@@ -1708,7 +1969,7 @@ async fn mount_do(param: Value, pipe: Option<RawFd>) -> Result<Value, Error> {
     let crypt_config = match keyfile {
         None => None,
         Some(path) => {
-            let (key, _) = load_and_decrtypt_key(&path, &get_encryption_key_password)?;
+            let (key, _) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
             Some(Arc::new(CryptConfig::new(key)?))
         }
     };
@@ -1775,37 +2036,39 @@ async fn mount_do(param: Value, pipe: Option<RawFd>) -> Result<Value, Error> {
     Ok(Value::Null)
 }
 
-fn catalog_shell(
-    param: Value,
-    _info: &ApiMethod,
-    _rpcenv: &mut dyn RpcEnvironment,
-) -> Result<Value, Error> {
-    async_main(catalog_shell_async(param))
-}
-
-async fn catalog_shell_async(param: Value) -> Result<Value, Error> {
+#[api(
+    input: {
+        properties: {
+            "snapshot": {
+                type: String,
+                description: "Group/Snapshot path.",
+            },
+            "archive-name": {
+                type: String,
+                description: "Backup archive name.",
+            },
+            "repository": {
+                optional: true,
+                schema: REPO_URL_SCHEMA,
+            },
+            "keyfile": {
+                optional: true,
+                type: String,
+                description: "Path to encryption key.",
+            },
+        },
+    },
+)]
+/// Shell to interactively inspect and restore snapshots.
+async fn catalog_shell(param: Value) -> Result<(), Error> {
     let repo = extract_repository_from_value(&param)?;
-    let client = HttpClient::new(repo.host(), repo.user(), None)?;
+    let client = connect(repo.host(), repo.user())?;
     let path = tools::required_string_param(&param, "snapshot")?;
     let archive_name = tools::required_string_param(&param, "archive-name")?;
 
     let (backup_type, backup_id, backup_time) = if path.matches('/').count() == 1 {
         let group = BackupGroup::parse(path)?;
-
-        let path = format!("api2/json/admin/datastore/{}/snapshots", repo.store());
-        let result = client.get(&path, Some(json!({
-            "backup-type": group.backup_type(),
-            "backup-id": group.backup_id(),
-        }))).await?;
-
-        let list = result["data"].as_array().unwrap();
-        if list.is_empty() {
-            bail!("backup group '{}' does not contain any snapshots:", path);
-        }
-
-        let epoch = list[0]["backup-time"].as_i64().unwrap();
-        let backup_time = Utc.timestamp(epoch, 0);
-        (group.backup_type().to_owned(), group.backup_id().to_owned(), backup_time)
+        api_datastore_latest_snapshot(&client, repo.store(), group).await?
     } else {
         let snapshot = BackupDir::parse(path)?;
         (snapshot.group().backup_type().to_owned(), snapshot.group().backup_id().to_owned(), snapshot.backup_time())
@@ -1815,7 +2078,7 @@ async fn catalog_shell_async(param: Value) -> Result<Value, Error> {
     let crypt_config = match keyfile {
         None => None,
         Some(path) => {
-            let (key, _) = load_and_decrtypt_key(&path, &get_encryption_key_password)?;
+            let (key, _) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
             Some(Arc::new(CryptConfig::new(key)?))
         }
     };
@@ -1887,133 +2150,159 @@ async fn catalog_shell_async(param: Value) -> Result<Value, Error> {
 
     record_repository(&repo);
 
-    Ok(Value::Null)
+    Ok(())
 }
 
 fn catalog_mgmt_cli() -> CliCommandMap {
-
-    #[sortable]
-    const API_METHOD_SHELL: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&catalog_shell),
-        &ObjectSchema::new(
-            "Shell to interactively inspect and restore snapshots.",
-            &sorted!([
-                ("snapshot", false, &StringSchema::new("Group/Snapshot path.").schema()),
-                ("archive-name", false, &StringSchema::new("Backup archive name.").schema()),
-                ("repository", true, &REPO_URL_SCHEMA),
-                ("keyfile", true, &StringSchema::new("Path to encryption key.").schema()),
-            ]),
-        )
-    );
-
-    let catalog_shell_cmd_def = CliCommand::new(&API_METHOD_SHELL)
+    let catalog_shell_cmd_def = CliCommand::new(&API_METHOD_CATALOG_SHELL)
         .arg_param(&["snapshot", "archive-name"])
         .completion_cb("repository", complete_repository)
         .completion_cb("archive-name", complete_pxar_archive_name)
         .completion_cb("snapshot", complete_group_or_snapshot);
 
-    #[sortable]
-    const API_METHOD_DUMP_CATALOG: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&dump_catalog),
-        &ObjectSchema::new(
-            "Dump catalog.",
-            &sorted!([
-                ("snapshot", false, &StringSchema::new("Snapshot path.").schema()),
-                ("repository", true, &REPO_URL_SCHEMA),
-            ]),
-        )
-    );
-
     let catalog_dump_cmd_def = CliCommand::new(&API_METHOD_DUMP_CATALOG)
         .arg_param(&["snapshot"])
         .completion_cb("repository", complete_repository)
         .completion_cb("snapshot", complete_backup_snapshot);
 
     CliCommandMap::new()
-        .insert("dump".to_owned(), catalog_dump_cmd_def.into())
-        .insert("shell".to_owned(), catalog_shell_cmd_def.into())
+        .insert("dump", catalog_dump_cmd_def)
+        .insert("shell", catalog_shell_cmd_def)
 }
 
+#[api(
+    input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            limit: {
+                description: "The maximal number of tasks to list.",
+                type: Integer,
+                optional: true,
+                minimum: 1,
+                maximum: 1000,
+                default: 50,
+            },
+            "output-format": {
+                schema: OUTPUT_FORMAT,
+                optional: true,
+            },
+            all: {
+                type: Boolean,
+                description: "Also list stopped tasks.",
+                optional: true,
+            },
+        }
+    }
+)]
+/// List running server tasks for this repo user
+async fn task_list(param: Value) -> Result<Value, Error> {
 
-fn main() {
+    let output_format = get_output_format(&param);
 
-    const BACKUP_SOURCE_SCHEMA: Schema = StringSchema::new("Backup source specification ([<label>:<path>]).")
-        .format(&ApiStringFormat::Pattern(&BACKUPSPEC_REGEX))
-        .schema();
+    let repo = extract_repository_from_value(&param)?;
+    let client = connect(repo.host(), repo.user())?;
 
-    #[sortable]
-    const API_METHOD_CREATE_BACKUP: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&create_backup),
-        &ObjectSchema::new(
-            "Create (host) backup.",
-            &sorted!([
-                (
-                    "backupspec",
-                    false,
-                    &ArraySchema::new(
-                        "List of backup source specifications ([<label.ext>:<path>] ...)",
-                        &BACKUP_SOURCE_SCHEMA,
-                    ).min_length(1).schema()
-                ),
-                (
-                    "repository",
-                    true,
-                    &REPO_URL_SCHEMA
-                ),
-                (
-                    "include-dev",
-                    true,
-                    &ArraySchema::new(
-                        "Include mountpoints with same st_dev number (see ``man fstat``) as specified files.",
-                        &StringSchema::new("Path to file.").schema()
-                    ).schema()
-                ),
-                (
-                    "keyfile",
-                    true,
-                    &StringSchema::new("Path to encryption key. All data will be encrypted using this key.").schema()
-                ),
-                (
-                    "verbose",
-                    true,
-                    &BooleanSchema::new("Verbose output.")
-                        .default(false)
-                        .schema()
-                ),
-                (
-                    "skip-lost-and-found",
-                    true,
-                    &BooleanSchema::new("Skip lost+found directory")
-                        .default(false)
-                        .schema()
-                ),
-                (
-                    "backup-type",
-                    true,
-                    &BACKUP_TYPE_SCHEMA,
-                ),
-                (
-                    "backup-id",
-                    true,
-                    &BACKUP_ID_SCHEMA
-                ),
-                (
-                    "backup-time",
-                    true,
-                    &BACKUP_TIME_SCHEMA
-                ),
-                (
-                    "chunk-size",
-                    true,
-                    &IntegerSchema::new("Chunk size in KB. Must be a power of 2.")
-                        .minimum(64)
-                        .maximum(4096)
-                        .default(4096)
-                        .schema()
-                ),
-            ]),
-        )
-    );
+    let limit = param["limit"].as_u64().unwrap_or(50) as usize;
+    let running = !param["all"].as_bool().unwrap_or(false);
+
+    let args = json!({
+        "running": running,
+        "start": 0,
+        "limit": limit,
+        "userfilter": repo.user(),
+        "store": repo.store(),
+    });
+
+    let mut result = client.get("api2/json/nodes/localhost/tasks", Some(args)).await?;
+    let mut data = result["data"].take();
+
+    let schema = &proxmox_backup::api2::node::tasks::API_RETURN_SCHEMA_LIST_TASKS;
+
+    let options = default_table_format_options()
+        .column(ColumnConfig::new("starttime").right_align(false).renderer(tools::format::render_epoch))
+        .column(ColumnConfig::new("endtime").right_align(false).renderer(tools::format::render_epoch))
+        .column(ColumnConfig::new("upid"))
+        .column(ColumnConfig::new("status").renderer(tools::format::render_task_status));
+
+    format_and_print_result_full(&mut data, schema, &output_format, &options);
+
+    Ok(Value::Null)
+}
+
+#[api(
+    input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            upid: {
+                schema: UPID_SCHEMA,
+            },
+        }
+    }
+)]
+/// Display the task log.
+async fn task_log(param: Value) -> Result<Value, Error> {
+
+    let repo = extract_repository_from_value(&param)?;
+    let upid =  tools::required_string_param(&param, "upid")?;
+
+    let client = connect(repo.host(), repo.user())?;
+
+    display_task_log(client, upid, true).await?;
+
+    Ok(Value::Null)
+}
+
+#[api(
+    input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            upid: {
+                schema: UPID_SCHEMA,
+            },
+        }
+    }
+)]
+/// Try to stop a specific task.
+async fn task_stop(param: Value) -> Result<Value, Error> {
+
+    let repo = extract_repository_from_value(&param)?;
+    let upid_str =  tools::required_string_param(&param, "upid")?;
+
+    let mut client = connect(repo.host(), repo.user())?;
+
+    let path = format!("api2/json/nodes/localhost/tasks/{}", upid_str);
+    let _ = client.delete(&path, None).await?;
+
+    Ok(Value::Null)
+}
+
+fn task_mgmt_cli() -> CliCommandMap {
+
+    let task_list_cmd_def = CliCommand::new(&API_METHOD_TASK_LIST)
+        .completion_cb("repository", complete_repository);
+
+    let task_log_cmd_def = CliCommand::new(&API_METHOD_TASK_LOG)
+        .arg_param(&["upid"]);
+
+    let task_stop_cmd_def = CliCommand::new(&API_METHOD_TASK_STOP)
+        .arg_param(&["upid"]);
+
+    CliCommandMap::new()
+        .insert("log", task_log_cmd_def)
+        .insert("list", task_list_cmd_def)
+        .insert("stop", task_stop_cmd_def)
+}
+
+fn main() {
 
     let backup_cmd_def = CliCommand::new(&API_METHOD_CREATE_BACKUP)
         .arg_param(&["backupspec"])
@@ -2022,36 +2311,6 @@ fn main() {
         .completion_cb("keyfile", tools::complete_file_name)
         .completion_cb("chunk-size", complete_chunk_size);
 
-    #[sortable]
-    const API_METHOD_UPLOAD_LOG: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&upload_log),
-        &ObjectSchema::new(
-            "Upload backup log file.",
-            &sorted!([
-                (
-                    "snapshot",
-                    false,
-                    &StringSchema::new("Snapshot path.").schema()
-                ),
-                (
-                    "logfile",
-                    false,
-                    &StringSchema::new("The path to the log file you want to upload.").schema()
-                ),
-                (
-                    "repository",
-                    true,
-                    &REPO_URL_SCHEMA
-                ),
-                (
-                    "keyfile",
-                    true,
-                    &StringSchema::new("Path to encryption key. All data will be encrypted using this key.").schema()
-                ),
-            ]),
-        )
-    );
-
     let upload_log_cmd_def = CliCommand::new(&API_METHOD_UPLOAD_LOG)
         .arg_param(&["snapshot", "logfile"])
         .completion_cb("snapshot", complete_backup_snapshot)
@@ -2059,107 +2318,22 @@ fn main() {
         .completion_cb("keyfile", tools::complete_file_name)
         .completion_cb("repository", complete_repository);
 
-    #[sortable]
-    const API_METHOD_LIST_BACKUP_GROUPS: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&list_backup_groups),
-        &ObjectSchema::new(
-            "List backup groups.",
-            &sorted!([
-                ("repository", true, &REPO_URL_SCHEMA),
-                ("output-format", true, &OUTPUT_FORMAT),
-            ]),
-        )
-    );
-
     let list_cmd_def = CliCommand::new(&API_METHOD_LIST_BACKUP_GROUPS)
         .completion_cb("repository", complete_repository);
 
-    #[sortable]
-    const API_METHOD_LIST_SNAPSHOTS: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&list_snapshots),
-        &ObjectSchema::new(
-            "List backup snapshots.",
-            &sorted!([
-                ("group", true, &StringSchema::new("Backup group.").schema()),
-                ("repository", true, &REPO_URL_SCHEMA),
-                ("output-format", true, &OUTPUT_FORMAT),
-            ]),
-        )
-    );
-
     let snapshots_cmd_def = CliCommand::new(&API_METHOD_LIST_SNAPSHOTS)
         .arg_param(&["group"])
         .completion_cb("group", complete_backup_group)
         .completion_cb("repository", complete_repository);
 
-    #[sortable]
-    const API_METHOD_FORGET_SNAPSHOTS: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&forget_snapshots),
-        &ObjectSchema::new(
-            "Forget (remove) backup snapshots.",
-            &sorted!([
-                ("snapshot", false, &StringSchema::new("Snapshot path.").schema()),
-                ("repository", true, &REPO_URL_SCHEMA),
-            ]),
-        )
-    );
-
     let forget_cmd_def = CliCommand::new(&API_METHOD_FORGET_SNAPSHOTS)
         .arg_param(&["snapshot"])
         .completion_cb("repository", complete_repository)
         .completion_cb("snapshot", complete_backup_snapshot);
 
-    #[sortable]
-    const API_METHOD_START_GARBAGE_COLLECTION: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&start_garbage_collection),
-        &ObjectSchema::new(
-            "Start garbage collection for a specific repository.",
-            &sorted!([ ("repository", true, &REPO_URL_SCHEMA) ]),
-        )
-    );
-
     let garbage_collect_cmd_def = CliCommand::new(&API_METHOD_START_GARBAGE_COLLECTION)
         .completion_cb("repository", complete_repository);
 
-    #[sortable]
-    const API_METHOD_RESTORE: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&restore),
-        &ObjectSchema::new(
-            "Restore backup repository.",
-            &sorted!([
-                ("snapshot", false, &StringSchema::new("Group/Snapshot path.").schema()),
-                ("archive-name", false, &StringSchema::new("Backup archive name.").schema()),
-                (
-                    "target",
-                    false,
-                    &StringSchema::new(
-                        r###"Target directory path. Use '-' to write to stdandard output.
-
-We do not extraxt '.pxar' archives when writing to stdandard output.
-
-"###
-                    ).schema()
-                ),
-                (
-                    "allow-existing-dirs",
-                    true,
-                    &BooleanSchema::new("Do not fail if directories already exists.")
-                        .default(false)
-                        .schema()
-                ),
-                ("repository", true, &REPO_URL_SCHEMA),
-                ("keyfile", true, &StringSchema::new("Path to encryption key.").schema()),
-                (
-                    "verbose",
-                    true,
-                    &BooleanSchema::new("Verbose output.")
-                        .default(false)
-                        .schema()
-                ),
-            ]),
-        )
-    );
-
     let restore_cmd_def = CliCommand::new(&API_METHOD_RESTORE)
         .arg_param(&["snapshot", "archive-name", "target"])
         .completion_cb("repository", complete_repository)
@@ -2167,81 +2341,22 @@ We do not extraxt '.pxar' archives when writing to stdandard output.
         .completion_cb("archive-name", complete_archive_name)
         .completion_cb("target", tools::complete_file_name);
 
-    #[sortable]
-    const API_METHOD_LIST_SNAPSHOT_FILES: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&list_snapshot_files),
-        &ObjectSchema::new(
-            "List snapshot files.",
-            &sorted!([
-                ("snapshot", false, &StringSchema::new("Snapshot path.").schema()),
-                ("repository", true, &REPO_URL_SCHEMA),
-                ("output-format", true, &OUTPUT_FORMAT),
-            ]),
-        )
-    );
-
     let files_cmd_def = CliCommand::new(&API_METHOD_LIST_SNAPSHOT_FILES)
         .arg_param(&["snapshot"])
         .completion_cb("repository", complete_repository)
         .completion_cb("snapshot", complete_backup_snapshot);
 
-    const API_METHOD_PRUNE: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&prune),
-        &ObjectSchema::new(
-            "Prune backup repository.",
-            &proxmox_backup::add_common_prune_prameters!([
-                ("dry-run", true, &BooleanSchema::new(
-                    "Just show what prune would do, but do not delete anything.")
-                 .schema()),
-                ("group", false, &StringSchema::new("Backup group.").schema()),
-            ], [
-                ("output-format", true, &OUTPUT_FORMAT),
-                ("repository", true, &REPO_URL_SCHEMA),
-            ])
-        )
-    );
-
     let prune_cmd_def = CliCommand::new(&API_METHOD_PRUNE)
         .arg_param(&["group"])
         .completion_cb("group", complete_backup_group)
         .completion_cb("repository", complete_repository);
 
-    #[sortable]
-    const API_METHOD_STATUS: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&status),
-        &ObjectSchema::new(
-            "Get repository status.",
-            &sorted!([
-                ("repository", true, &REPO_URL_SCHEMA),
-                ("output-format", true, &OUTPUT_FORMAT),
-            ]),
-        )
-    );
-
     let status_cmd_def = CliCommand::new(&API_METHOD_STATUS)
         .completion_cb("repository", complete_repository);
 
-    #[sortable]
-    const API_METHOD_API_LOGIN: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&api_login),
-        &ObjectSchema::new(
-            "Try to login. If successful, store ticket.",
-            &sorted!([ ("repository", true, &REPO_URL_SCHEMA) ]),
-        )
-    );
-
     let login_cmd_def = CliCommand::new(&API_METHOD_API_LOGIN)
         .completion_cb("repository", complete_repository);
 
-    #[sortable]
-    const API_METHOD_API_LOGOUT: ApiMethod = ApiMethod::new(
-        &ApiHandler::Sync(&api_logout),
-        &ObjectSchema::new(
-            "Logout (delete stored ticket).",
-            &sorted!([ ("repository", true, &REPO_URL_SCHEMA) ]),
-        )
-    );
-
     let logout_cmd_def = CliCommand::new(&API_METHOD_API_LOGOUT)
         .completion_cb("repository", complete_repository);
 
@@ -2270,28 +2385,24 @@ We do not extraxt '.pxar' archives when writing to stdandard output.
 
 
     let cmd_def = CliCommandMap::new()
-        .insert("backup".to_owned(), backup_cmd_def.into())
-        .insert("upload-log".to_owned(), upload_log_cmd_def.into())
-        .insert("forget".to_owned(), forget_cmd_def.into())
-        .insert("garbage-collect".to_owned(), garbage_collect_cmd_def.into())
-        .insert("list".to_owned(), list_cmd_def.into())
-        .insert("login".to_owned(), login_cmd_def.into())
-        .insert("logout".to_owned(), logout_cmd_def.into())
-        .insert("prune".to_owned(), prune_cmd_def.into())
-        .insert("restore".to_owned(), restore_cmd_def.into())
-        .insert("snapshots".to_owned(), snapshots_cmd_def.into())
-        .insert("files".to_owned(), files_cmd_def.into())
-        .insert("status".to_owned(), status_cmd_def.into())
-        .insert("key".to_owned(), key_mgmt_cli().into())
-        .insert("mount".to_owned(), mount_cmd_def.into())
-        .insert("catalog".to_owned(), catalog_mgmt_cli().into());
-
-    run_cli_command(cmd_def.into());
-}
-
-fn async_main<F: Future>(fut: F) -> <F as Future>::Output {
-    let rt = tokio::runtime::Runtime::new().unwrap();
-    let ret = rt.block_on(fut);
-    rt.shutdown_now();
-    ret
+        .insert("backup", backup_cmd_def)
+        .insert("upload-log", upload_log_cmd_def)
+        .insert("forget", forget_cmd_def)
+        .insert("garbage-collect", garbage_collect_cmd_def)
+        .insert("list", list_cmd_def)
+        .insert("login", login_cmd_def)
+        .insert("logout", logout_cmd_def)
+        .insert("prune", prune_cmd_def)
+        .insert("restore", restore_cmd_def)
+        .insert("snapshots", snapshots_cmd_def)
+        .insert("files", files_cmd_def)
+        .insert("status", status_cmd_def)
+        .insert("key", key_mgmt_cli())
+        .insert("mount", mount_cmd_def)
+        .insert("catalog", catalog_mgmt_cli())
+        .insert("task", task_mgmt_cli());
+
+    run_cli_command(cmd_def, Some(|future| {
+        proxmox_backup::tools::runtime::main(future)
+    }));
 }