add support for notes and logs

Allow the user to specify a notes file and a log file to associate with
the backup

Signed-off-by: Filip Schauer <f.schauer@proxmox.com>

Cargo.toml

@@ -7,14 +7,22 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0"
 bincode = "1.3"
+hyper = "0.14.5"
 pico-args = "0.4"
 md5 = "0.7.0"
 scopeguard = "1.1.0"
 serde = "1.0"
+serde_json = "1.0"
 serde-big-array = "0.4.1"
 
+proxmox-async = "0.4"
 proxmox-io = "1.0.1"
 proxmox-sys = "0.5.0"
 proxmox-time = "2"
 
+pbs-api-types = { path = "submodules/proxmox-backup-qemu/submodules/proxmox-backup/pbs-api-types" }
+pbs-client = { path = "submodules/proxmox-backup-qemu/submodules/proxmox-backup/pbs-client" }
+pbs-datastore = { path = "submodules/proxmox-backup-qemu/submodules/proxmox-backup/pbs-datastore" }
+pbs-key-config = { path = "submodules/proxmox-backup-qemu/submodules/proxmox-backup/pbs-key-config" }
+pbs-tools = { path = "submodules/proxmox-backup-qemu/submodules/proxmox-backup/pbs-tools" }
 proxmox-backup-qemu = { path = "submodules/proxmox-backup-qemu" }

src/main.rs

@@ -37,6 +37,10 @@ Options:
           Password file
       --key-password-file <KEY_PASSWORD_FILE>
           Key password file
+      [--notes-file <NOTES_FILE>]
+          File containing a comment/notes
+      [--log-file <LOG_FILE>]
+          Log file
   -h, --help
           Print help
   -V, --version
@@ -93,6 +97,8 @@ fn parse_args() -> Result<BackupVmaToPbsArgs, Error> {
     let encrypt = args.contains(["-e", "--encrypt"]);
     let password_file: Option<OsString> = args.opt_value_from_str("--password-file")?;
     let key_password_file: Option<OsString> = args.opt_value_from_str("--key-password-file")?;
+    let notes_file: Option<OsString> = args.opt_value_from_str("--notes-file")?;
+    let log_file_path: Option<OsString> = args.opt_value_from_str("--log-file")?;
 
     match (encrypt, keyfile.is_some()) {
         (true, false) => bail!("--encrypt requires a --keyfile!"),
@@ -170,6 +176,14 @@ fn parse_args() -> Result<BackupVmaToPbsArgs, Error> {
         None
     };
 
+    let notes = if let Some(notes_file) = notes_file {
+        let notes = std::fs::read_to_string(notes_file).context("Could not read notes file")?;
+
+        Some(notes)
+    } else {
+        None
+    };
+
     let options = BackupVmaToPbsArgs {
         vma_file_path: vma_file_path.cloned(),
         pbs_repository,
@@ -183,6 +197,8 @@ fn parse_args() -> Result<BackupVmaToPbsArgs, Error> {
         fingerprint,
         compress,
         encrypt,
+        notes,
+        log_file_path,
     };
 
     Ok(options)

src/vma2pbs.rs

@@ -8,6 +8,12 @@ use std::ptr;
 use std::time::SystemTime;
 
 use anyhow::{anyhow, bail, Error};
+use pbs_api_types::{BackupDir, BackupNamespace, BackupType};
+use pbs_client::{BackupRepository, HttpClient, HttpClientOptions};
+use pbs_datastore::DataBlob;
+use pbs_key_config::decrypt_key;
+use pbs_tools::crypt_config::CryptConfig;
+use proxmox_async::runtime::block_on;
 use proxmox_backup_qemu::{
     capi_types::ProxmoxBackupHandle, proxmox_backup_add_config, proxmox_backup_close_image,
     proxmox_backup_connect, proxmox_backup_disconnect, proxmox_backup_finish,
@@ -16,6 +22,7 @@ use proxmox_backup_qemu::{
 };
 use proxmox_time::epoch_to_rfc3339;
 use scopeguard::defer;
+use serde_json::Value;
 
 use crate::vma::VmaReader;
 
@@ -34,6 +41,8 @@ pub struct BackupVmaToPbsArgs {
     pub fingerprint: String,
     pub compress: bool,
     pub encrypt: bool,
+    pub notes: Option<String>,
+    pub log_file_path: Option<OsString>,
 }
 
 #[derive(Copy, Clone)]
@@ -352,6 +361,89 @@ where
     Ok(())
 }
 
+fn pbs_client_setup(args: &BackupVmaToPbsArgs) -> Result<(HttpClient, String, Value), Error> {
+    let repo: BackupRepository = args.pbs_repository.parse()?;
+    let options = HttpClientOptions::new_interactive(
+        Some(args.pbs_password.clone()),
+        Some(args.fingerprint.clone()),
+    );
+    let client = HttpClient::new(repo.host(), repo.port(), repo.auth_id(), options)?;
+
+    let backup_dir = BackupDir::from((BackupType::Vm, args.backup_id.clone(), args.backup_time));
+
+    let namespace = match &args.namespace {
+        Some(namespace) => BackupNamespace::new(namespace)?,
+        None => BackupNamespace::root(),
+    };
+
+    let mut request_args = serde_json::to_value(backup_dir)?;
+    if !namespace.is_root() {
+        request_args["ns"] = serde_json::to_value(namespace)?;
+    }
+
+    Ok((client, repo.store().to_owned(), request_args))
+}
+
+fn upload_log(
+    client: &HttpClient,
+    args: &BackupVmaToPbsArgs,
+    store: &str,
+    request_args: Value,
+) -> Result<(), Error> {
+    if let Some(log_file_path) = &args.log_file_path {
+        let path = format!("api2/json/admin/datastore/{}/upload-backup-log", store);
+        let data = std::fs::read(log_file_path)?;
+
+        let blob = if args.encrypt {
+            let crypt_config = match &args.keyfile {
+                None => None,
+                Some(keyfile) => {
+                    let key = std::fs::read(keyfile)?;
+                    let (key, _created, _) = decrypt_key(&key, &|| -> Result<Vec<u8>, Error> {
+                        match &args.key_password {
+                            Some(key_password) => Ok(key_password.clone().into_bytes()),
+                            None => bail!("no key password provided"),
+                        }
+                    })?;
+                    let crypt_config = CryptConfig::new(key)?;
+                    Some(crypt_config)
+                }
+            };
+
+            DataBlob::encode(&data, crypt_config.as_ref(), args.compress)?
+        } else {
+            // fixme: howto sign log?
+            DataBlob::encode(&data, None, args.compress)?
+        };
+
+        let body = hyper::Body::from(blob.into_inner());
+
+        block_on(async {
+            client
+                .upload("application/octet-stream", body, &path, Some(request_args))
+                .await
+                .unwrap();
+        });
+    }
+
+    Ok(())
+}
+
+fn set_notes(
+    client: &HttpClient,
+    notes: &str,
+    store: &str,
+    mut request_args: Value,
+) -> Result<(), Error> {
+    request_args["notes"] = Value::from(notes);
+    let path = format!("api2/json/admin/datastore/{}/notes", store);
+    block_on(async {
+        client.put(&path, Some(request_args)).await.unwrap();
+    });
+
+    Ok(())
+}
+
 pub fn backup_vma_to_pbs(args: BackupVmaToPbsArgs) -> Result<(), Error> {
     let vma_file: Box<dyn BufRead> = match &args.vma_file_path {
         Some(vma_file_path) => match File::open(vma_file_path) {
@@ -386,6 +478,18 @@ pub fn backup_vma_to_pbs(args: BackupVmaToPbsArgs) -> Result<(), Error> {
         handle_pbs_error(pbs_err, "proxmox_backup_finish")?;
     }
 
+    if args.notes.is_some() || args.log_file_path.is_some() {
+        let (client, store, request_args) = pbs_client_setup(&args)?;
+
+        if args.log_file_path.is_some() {
+            upload_log(&client, &args, &store, request_args.clone())?;
+        }
+
+        if let Some(notes) = args.notes {
+            set_notes(&client, &notes, &store, request_args)?;
+        }
+    }
+
     let transfer_duration = SystemTime::now().duration_since(start_transfer_time)?;
     let total_seconds = transfer_duration.as_secs();
     let minutes = total_seconds / 60;