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tape: media_list API - allow to update online status for a single changer

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This commit is contained in:
Dietmar Maurer
2021-02-18 10:59:33 +01:00
parent 65535670f9
commit 9bbd83b1f2
3 changed files with 49 additions and 7 deletions
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33
src/tape/changer/online_status_map.rs
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@ -122,8 +122,8 @@ pub fn mtx_status_to_online_set(status: &MtxStatus, inventory: &Inventory) -> Ha
/// Update online media status
///
/// Simply ask all changer devices.
pub fn update_online_status(state_path: &Path) -> Result<OnlineStatusMap, Error> {
/// For a single 'changer', or else simply ask all changer devices.
pub fn update_online_status(state_path: &Path, changer: Option<&str>) -> Result<OnlineStatusMap, Error> {
let (config, _digest) = crate::config::drive::config()?;
@ -133,21 +133,36 @@ pub fn update_online_status(state_path: &Path) -> Result<OnlineStatusMap, Error>
let mut map = OnlineStatusMap::new(&config)?;
for mut changer in changers {
let status = match changer.status() {
let mut found_changer = false;
for mut changer_config in changers {
if let Some(changer) = changer {
if changer != &changer_config.name {
continue;
}
found_changer = true;
}
let status = match changer_config.status() {
Ok(status) => status,
Err(err) => {
eprintln!("unable to get changer '{}' status - {}", changer.name, err);
eprintln!("unable to get changer '{}' status - {}", changer_config.name, err);
continue;
}
};
let online_set = mtx_status_to_online_set(&status, &inventory);
map.update_online_status(&changer.name, online_set)?;
map.update_online_status(&changer_config.name, online_set)?;
}
let vtapes: Vec<VirtualTapeDrive> = config.convert_to_typed_array("virtual")?;
for mut vtape in vtapes {
if let Some(changer) = changer {
if changer != &vtape.name {
continue;
}
found_changer = true;
}
let media_list = match vtape.online_media_label_texts() {
Ok(media_list) => media_list,
Err(err) => {
@ -165,6 +180,12 @@ pub fn update_online_status(state_path: &Path) -> Result<OnlineStatusMap, Error>
map.update_online_status(&vtape.name, online_set)?;
}
if let Some(changer) = changer {
if !found_changer {
bail!("update_online_status failed - no such changer '{}'", changer);
}
}
inventory.update_online_status(&map)?;
Ok(map)