tape: status - show thape alert flags

src/api2/types/tape/drive.rs

@@ -179,6 +179,9 @@ pub struct LinuxDriveAndMediaStatus {
     pub density: Option<TapeDensity>,
     /// Status flags
     pub status: String,
+    /// Tape Alert Flags
+    #[serde(skip_serializing_if="Option::is_none")]
+    pub alert_flags: Option<String>,
     /// Current file number
     #[serde(skip_serializing_if="Option::is_none")]
     pub file_number: Option<u32>,

src/bin/proxmox-tape.rs

@@ -592,6 +592,7 @@ fn status(
         .column(ColumnConfig::new("blocksize"))
         .column(ColumnConfig::new("density"))
         .column(ColumnConfig::new("status"))
+        .column(ColumnConfig::new("alert-flags"))
         .column(ColumnConfig::new("file-number"))
         .column(ColumnConfig::new("block-number"))
         .column(ColumnConfig::new("manufactured").renderer(render_epoch))

src/tape/drive/linux_tape.rs

@@ -209,10 +209,15 @@ impl LinuxTapeHandle {
 
         let drive_status = self.get_drive_status()?;
 
+        let alert_flags = self.tape_alert_flags()
+            .map(|flags| format!("{:?}", flags))
+            .ok();
+
         let mut status = LinuxDriveAndMediaStatus {
             blocksize: drive_status.blocksize,
             density: drive_status.density,
             status: format!("{:?}", drive_status.status),
+            alert_flags,
             file_number: drive_status.file_number,
             block_number: drive_status.block_number,
             manufactured: None,
@@ -222,7 +227,7 @@ impl LinuxTapeHandle {
 
         if  drive_status.tape_is_ready() {
 
-            let mam = self.cartridge_memory()?;
+            if let Ok(mam) = self.cartridge_memory() {
 
                 let usage = mam_extract_media_usage(&mam)?;
 
@@ -230,6 +235,7 @@ impl LinuxTapeHandle {
                 status.bytes_read = Some(usage.bytes_read);
                 status.bytes_written = Some(usage.bytes_written);
             }
+        }
 
         Ok(status)
     }