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register Oximeter metrics for local disks #1144

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Merged
ahrens merged 1 commit into from
Jun 3, 2026
Merged

register Oximeter metrics for local disks #1144

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47 changes: 27 additions & 20 deletions bin/propolis-server/src/lib/initializer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -895,6 +895,8 @@ impl MachineInitializer<'_> {
}
};

let block_size;
let volume_id;
if let Some(crucible) = crucible {
let crucible =
match self.crucible_backends.entry(backend_id.clone()) {
Expand All @@ -910,27 +912,24 @@ impl MachineInitializer<'_> {
}
};

let Some(block_size) = crucible.block_size().await else {
slog::error!(
self.log,
"Could not get Crucible backend block size, \
virtual disk metrics can't be reported for it";
"disk_id" => %backend_id,
);
continue;
block_size = crucible.block_size().await;
volume_id = crucible.get_uuid().await.ok();
} else {
// Not a Crucible backend, e.g. local disk
block_size = match &disk.backend_spec {
StorageBackend::File(fsb) => Some(fsb.block_size),
StorageBackend::Blob(_) => Some(512),
_ => None,
};

let Ok(volume_id) = crucible.get_uuid().await else {
slog::error!(
self.log,
"Could not get Crucible volume ID, \
virtual disk metrics can't be reported for it";
"disk_id" => %backend_id,
);
continue;
volume_id = match backend_id {
SpecKey::Uuid(uuid) => Some(*uuid),
_ => None,
};

if let Some(registry) = &self.producer_registry {
}
if let Some(registry) = &self.producer_registry {
if let (Some(block_size), Some(volume_id)) =
(block_size, volume_id)
{
let block_metrics = BlockMetrics::new(
VirtualDisk {
attached_instance_id: self.properties.id,
Expand All @@ -957,7 +956,15 @@ impl MachineInitializer<'_> {
};

block_dev.attachment().set_metric_consumer(block_metrics);
};
} else {
slog::error!(
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ahrens marked this conversation as resolved.
self.log,
"Could not get backend volume UUID or block size, \
virtual disk metrics can't be reported for it";
"disk_id" => %backend_id,
);
continue;
}
}
}
Ok(wanted_heap)
Expand Down
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