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Merged
merged 7 commits into from
Nov 11, 2025
+96 −56
Merged

Capture log file mtimes in support bundles #9222

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dc4d978
Capture log file mtimes in support bundles
wfchandler Oct 15, 2025
80681cb
Avoid getting mtime twice
wfchandler Oct 16, 2025
04e7736
Merge branch 'main' into wc/bundle-mtime
wfchandler Oct 20, 2025
72d5f84
Don't error out on mtime failure
wfchandler Oct 21, 2025
fa07354
Traverse potential symlinks for mtime
wfchandler Oct 21, 2025
d876383
Merge branch 'main' into wc/bundle-mtime
wfchandler Nov 10, 2025
756d1de
Update cargo lock
wfchandler Nov 11, 2025
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4 changes: 4 additions & 0 deletions Cargo.lock
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3 changes: 2 additions & 1 deletion nexus/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ internal-dns-resolver.workspace = true
internal-dns-types.workspace = true
ipnetwork.workspace = true
itertools.workspace = true
jiff.workspace = true
lldpd_client.workspace = true
macaddr.workspace = true
maplit.workspace = true
Expand Down Expand Up @@ -144,7 +145,7 @@ update-common.workspace = true
update-engine.workspace = true
omicron-workspace-hack.workspace = true
omicron-uuid-kinds.workspace = true
zip.workspace = true
zip = { workspace = true, features = ["jiff-02"] }

[dev-dependencies]
async-bb8-diesel.workspace = true
Expand Down
15 changes: 14 additions & 1 deletion nexus/src/app/background/tasks/support_bundle_collector.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1241,10 +1241,23 @@ fn recursively_add_directory_to_zipfile(

let file_type = entry.file_type()?;
if file_type.is_file() {
let src = entry.path();

let zip_time = entry
.path()
.metadata()
.and_then(|m| m.modified())
.ok()
.and_then(|sys_time| jiff::Zoned::try_from(sys_time).ok())
.and_then(|zoned| {
zip::DateTime::try_from(zoned.datetime()).ok()
})
.unwrap_or_else(zip::DateTime::default);

let opts = FullFileOptions::default()
.last_modified_time(zip_time)
.compression_method(zip::CompressionMethod::Deflated)
.large_file(true);
let src = entry.path();

zip.start_file_from_path(dst, opts)?;
let mut file = std::fs::File::open(&src)?;
Expand Down
4 changes: 3 additions & 1 deletion sled-diagnostics/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,11 @@ workspace = true
anyhow.workspace = true
camino.workspace = true
cfg-if.workspace = true
chrono.workspace = true
fs-err = { workspace = true, features = ["tokio"] }
futures.workspace = true
illumos-utils.workspace = true
jiff.workspace = true
libc.workspace = true
omicron-workspace-hack.workspace = true
once_cell.workspace = true
Expand All @@ -26,7 +28,7 @@ slog.workspace = true
thiserror.workspace = true
tokio = { workspace = true, features = ["full"] }
zfs-test-harness.workspace = true
zip = { workspace = true, features = ["zstd"] }
zip = { workspace = true, features = ["jiff-02","zstd"] }

[dev-dependencies]
omicron-common.workspace = true
Expand Down
122 changes: 71 additions & 51 deletions sled-diagnostics/src/logs.rs
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Expand Up @@ -451,11 +451,11 @@ impl LogsHandle {
service: &str,
zip: &mut zip::ZipWriter<W>,
log_snapshots: &mut LogSnapshots,
logfile: &Utf8Path,
logfile: &LogFile,
logtype: LogType,
) -> Result<(), LogError> {
let snapshot_logfile =
self.find_log_in_snapshot(log_snapshots, logfile).await?;
self.find_log_in_snapshot(log_snapshots, &logfile.path).await?;

if logtype == LogType::Current {
// Since we are processing the current log files in a zone we need
Expand Down Expand Up @@ -501,13 +501,24 @@ impl LogsHandle {
.filter(|f| is_log_file(f.path(), filename))
{
let logfile = f.path();
let system_mtime =
f.metadata().and_then(|m| m.modified()).inspect_err(|e| {
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@papertigers papertigers Oct 20, 2025

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metadata() here doesn't follow symlinks...which I believe is okay since we are operating from the gz context.

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@wfchandler wfchandler Oct 21, 2025

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Right, this is fine today. On the one hand I don't foresee us copying over symlinks from a sled zip, but there's no harm in handling them just in case. Switched to Utf8Path::metadata which will traverse symlinks in fa07354.

warn!(&self.log, "sled-diagnostic failed to get mtime of logfile";
"error" => %e,
"logfile" => %logfile,
);
}).ok();
let mtime = system_mtime
.and_then(|m| jiff::Timestamp::try_from(m).ok());

if logfile.is_file() {
write_log_to_zip(
&self.log,
service,
zip,
LogType::Current,
logfile,
mtime,
)?;
}
}
Expand All @@ -522,6 +533,7 @@ impl LogsHandle {
zip,
logtype,
&snapshot_logfile,
logfile.modified,
)?;
}
false => {
Expand Down Expand Up @@ -612,7 +624,7 @@ impl LogsHandle {
&service,
&mut zip,
&mut log_snapshots,
&current.path,
&current,
LogType::Current,
)
.await?;
Expand All @@ -628,13 +640,13 @@ impl LogsHandle {
.archived
.into_iter()
.filter(|log| log.path.as_str().contains("crypt/debug"))
.map(|log| log.path)
.collect();

// Since these logs can be spread out across multiple U.2 devices
// we need to sort them by timestamp.
archived.sort_by_key(|log| {
log.as_str()
log.path
.as_str()
.rsplit_once(".")
.and_then(|(_, date)| date.parse::<u64>().ok())
.unwrap_or(0)
Expand Down Expand Up @@ -703,6 +715,7 @@ fn write_log_to_zip<W: Write + Seek>(
zip: &mut zip::ZipWriter<W>,
logtype: LogType,
snapshot_logfile: &Utf8Path,
mtime: Option<jiff::Timestamp>,
) -> Result<(), LogError> {
let Some(log_name) = snapshot_logfile.file_name() else {
warn!(
Expand All @@ -715,10 +728,19 @@ fn write_log_to_zip<W: Write + Seek>(
};

let mut src = File::open(&snapshot_logfile)?;

let zip_mtime = mtime
.and_then(|ts| {
let zoned = ts.in_tz("UTC").ok()?;
zip::DateTime::try_from(zoned.datetime()).ok()
})
.unwrap_or_else(zip::DateTime::default);

let zip_path = format!("{service}/{logtype}/{log_name}");
zip.start_file_from_path(
zip_path,
FullFileOptions::default()
.last_modified_time(zip_mtime)
.compression_method(zip::CompressionMethod::Zstd)
.compression_level(Some(3))
// NB: From the docs
Expand Down Expand Up @@ -757,8 +779,8 @@ enum ExtraLogKind<'a> {

#[derive(Debug, Default, PartialEq)]
struct ExtraLogs<'a> {
current: Option<&'a Utf8Path>,
rotated: Vec<&'a Utf8Path>,
current: Option<&'a LogFile>,
rotated: Vec<&'a LogFile>,
}

fn sort_extra_logs<'a>(
Expand All @@ -780,15 +802,15 @@ fn sort_extra_logs<'a>(
warn!(
logger,
"found multiple current log files for {name}";
"old" => %old_path,
"old" => %old_path.path,
"new" => %log.path,
);
}
entry.current = Some(&log.path);
entry.current = Some(&log);
}
ExtraLogKind::Rotated { name, log } => {
let entry = res.entry(name).or_default();
entry.rotated.push(&log.path);
entry.rotated.push(&log);
}
}
}
Expand Down Expand Up @@ -838,9 +860,9 @@ fn sort_cockroach_extra_logs(logs: &[LogFile]) -> HashMap<&str, ExtraLogs<'_>> {
let entry = interested.entry(prefix).or_default();

if file_name == format!("{prefix}.log") {
entry.current = Some(log.path.as_path());
entry.current = Some(log);
} else {
entry.rotated.push(log.path.as_path());
entry.rotated.push(log);
}
}
}
Expand Down Expand Up @@ -917,52 +939,30 @@ mod test {
"bogus.log",
"some/dir"
].into_iter().map(|l| {
oxlog::LogFile { path: Utf8PathBuf::from(l), size: None, modified: None }
}).collect();
oxlog::LogFile { path: Utf8PathBuf::from(l), size: None, modified: None }
}).collect();
let logs_map: HashMap<_, _> =
logs.iter().map(|l| (l.path.as_str(), l)).collect();

let mut expected: HashMap<&str, ExtraLogs<'_>> = HashMap::new();

// cockroach
expected.entry("cockroach").or_default().current =
Some(Utf8Path::new("cockroach.log"));
expected
.entry("cockroach")
.or_default()
.rotated
.push(Utf8Path::new("cockroach.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2025-01-31T17_11_45Z.011435.log"));
expected
.entry("cockroach")
.or_default()
.rotated
.push(Utf8Path::new("cockroach.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2025-02-01T01_51_51Z.011486.log"));
Some(&logs_map["cockroach.log"]);
expected.entry("cockroach").or_default().rotated.push(&logs_map["cockroach.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2025-01-31T17_11_45Z.011435.log"]);
expected.entry("cockroach").or_default().rotated.push(&logs_map["cockroach.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2025-02-01T01_51_51Z.011486.log"]);

// cockroach-health
expected.entry("cockroach-health").or_default().current =
Some(Utf8Path::new("cockroach-health.log"));
expected
.entry("cockroach-health")
.or_default()
.rotated
.push(Utf8Path::new("cockroach-health.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2025-01-31T21_43_26Z.011435.log"));
expected
.entry("cockroach-health")
.or_default()
.rotated
.push(Utf8Path::new("cockroach-health.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2025-02-01T01_51_53Z.011486.log"));
Some(&logs_map["cockroach-health.log"]);
expected.entry("cockroach-health").or_default().rotated.push(&logs_map["cockroach-health.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2025-01-31T21_43_26Z.011435.log"]);
expected.entry("cockroach-health").or_default().rotated.push(&logs_map["cockroach-health.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2025-02-01T01_51_53Z.011486.log"]);

// cockroach-stderr
expected.entry("cockroach-stderr").or_default().current =
Some(Utf8Path::new("cockroach-stderr.log"));
expected
.entry("cockroach-stderr")
.or_default()
.rotated
.push(Utf8Path::new("cockroach-stderr.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2023-08-30T18_56_19Z.011950.log"));
expected
.entry("cockroach-stderr")
.or_default()
.rotated
.push(Utf8Path::new("cockroach-stderr.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2023-08-31T02_59_24Z.010479.log"));
Some(&logs_map["cockroach-stderr.log"]);
expected.entry("cockroach-stderr").or_default().rotated.push(&logs_map["cockroach-stderr.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2023-08-30T18_56_19Z.011950.log"]);
expected.entry("cockroach-stderr").or_default().rotated.push(&logs_map["cockroach-stderr.oxzcockroachdba3628a56-6f85-43b5-be50-71d8f0e04877.root.2023-08-31T02_59_24Z.010479.log"]);

let extra = sort_cockroach_extra_logs(logs.as_slice());
assert_eq!(
Expand Down Expand Up @@ -1177,6 +1177,12 @@ mod illumos_tests {
let mut logfile_handle =
fs_err::tokio::File::create_new(&logfile).await.unwrap();
logfile_handle.write_all(data.as_bytes()).await.unwrap();

// 2025-10-15T00:00:00
let mtime = std::time::SystemTime::UNIX_EPOCH
+ std::time::Duration::from_secs(1760486400);
let std_file = logfile_handle.into_std().await.into_file();
std_file.set_modified(mtime).unwrap();
}

// Populate some file with similar names that should be skipped over
Expand All @@ -1197,27 +1203,40 @@ mod illumos_tests {
let zipfile_path = mountpoint.join("test.zip");
let zipfile = File::create_new(&zipfile_path).unwrap();
let mut zip = ZipWriter::new(zipfile);
let log = LogFile {
path: mountpoint
.join(format!("var/svc/log/{}", logfile_to_data[0].0)),
size: None,
modified: None,
};

loghandle
.process_logs(
"mg-ddm",
&mut zip,
&mut log_snapshots,
&mountpoint
.join(format!("var/svc/log/{}", logfile_to_data[0].0)),
&log,
LogType::Current,
)
.await
.unwrap();

zip.finish().unwrap();

// Confirm the zip has our file and data
let expected_zip_mtime =
zip::DateTime::from_date_and_time(2025, 10, 15, 0, 0, 0)
.unwrap();

// Confirm the zip has our file and data with the right mtime
let mut archive =
ZipArchive::new(File::open(zipfile_path).unwrap()).unwrap();
for (name, data) in logfile_to_data {
let mut file_in_zip =
archive.by_name(&format!("mg-ddm/current/{name}")).unwrap();

let mtime = file_in_zip.last_modified().unwrap();
assert_eq!(mtime, expected_zip_mtime, "file mtime matches");

let mut contents = String::new();
file_in_zip.read_to_string(&mut contents).unwrap();

Expand Down Expand Up @@ -1283,13 +1302,14 @@ mod illumos_tests {
let zipfile_path = mountpoint.join("test.zip");
let zipfile = File::create_new(&zipfile_path).unwrap();
let mut zip = ZipWriter::new(zipfile);
let log = LogFile { path: logfile, size: None, modified: None };

loghandle
.process_logs(
"mg-ddm",
&mut zip,
&mut log_snapshots,
&logfile,
&log,
LogType::Current,
)
.await
Expand Down
4 changes: 2 additions & 2 deletions workspace-hack/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,7 @@ x509-cert = { version = "0.2.5" }
zerocopy-c38e5c1d305a1b54 = { package = "zerocopy", version = "0.8.27", default-features = false, features = ["derive", "simd"] }
zerocopy-ca01ad9e24f5d932 = { package = "zerocopy", version = "0.7.35", features = ["derive", "simd"] }
zeroize = { version = "1.8.1", features = ["std", "zeroize_derive"] }
zip-164d15cefe24d7eb = { package = "zip", version = "4.2.0", default-features = false, features = ["bzip2", "deflate", "zstd"] }
zip-164d15cefe24d7eb = { package = "zip", version = "4.2.0", default-features = false, features = ["bzip2", "deflate", "jiff-02", "zstd"] }
zip-3b31131e45eafb45 = { package = "zip", version = "0.6.6", default-features = false, features = ["bzip2", "deflate"] }

[build-dependencies]
Expand Down Expand Up @@ -291,7 +291,7 @@ x509-cert = { version = "0.2.5" }
zerocopy-c38e5c1d305a1b54 = { package = "zerocopy", version = "0.8.27", default-features = false, features = ["derive", "simd"] }
zerocopy-ca01ad9e24f5d932 = { package = "zerocopy", version = "0.7.35", features = ["derive", "simd"] }
zeroize = { version = "1.8.1", features = ["std", "zeroize_derive"] }
zip-164d15cefe24d7eb = { package = "zip", version = "4.2.0", default-features = false, features = ["bzip2", "deflate", "zstd"] }
zip-164d15cefe24d7eb = { package = "zip", version = "4.2.0", default-features = false, features = ["bzip2", "deflate", "jiff-02", "zstd"] }
zip-3b31131e45eafb45 = { package = "zip", version = "0.6.6", default-features = false, features = ["bzip2", "deflate"] }

[target.x86_64-unknown-linux-gnu.dependencies]
Expand Down
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