mirror of
https://git.deuxfleurs.fr/Deuxfleurs/garage.git
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Disk space report
Report available disk space on nodes and calculate cluster-wide available space in `garage stats` (fix #479)
This commit is contained in:
Alex Auvolat
parent
f251b4721f
commit
efb6b6e868
8 changed files with 220 additions and 35 deletions
15
Cargo.lock
generated
15
Cargo.lock
generated
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@ -1230,6 +1230,7 @@ dependencies = [
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"serde",
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"serde_bytes",
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"serde_json",
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"systemstat",
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"tokio",
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"tokio-stream",
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"tracing",
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@ -3567,6 +3568,20 @@ dependencies = [
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"unicode-xid",
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]
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[[package]]
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name = "systemstat"
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a24aec24a9312c83999a28e3ef9db7e2afd5c64bf47725b758cdc1cafd5b0bd2"
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dependencies = [
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"bytesize",
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"lazy_static",
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"libc",
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"nom",
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"time 0.3.9",
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"winapi",
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]
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[[package]]
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name = "tempfile"
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version = "3.3.0"
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19
Cargo.nix
19
Cargo.nix
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@ -32,7 +32,7 @@ args@{
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ignoreLockHash,
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}:
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let
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nixifiedLockHash = "8461dcfb984a8d042fecb5745d5da17912135dbf2a8ef7e6c3ae8e64c03d9744";
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nixifiedLockHash = "e59ef222aaaada125e2a5fccbd215b545740b2abd21ce381c42a7a6e3a7e672a";
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workspaceSrc = if args.workspaceSrc == null then ./. else args.workspaceSrc;
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currentLockHash = builtins.hashFile "sha256" (workspaceSrc + /Cargo.lock);
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lockHashIgnored = if ignoreLockHash
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@ -1753,6 +1753,7 @@ in
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serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.137" { inherit profileName; }).out;
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serde_bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_bytes."0.11.5" { inherit profileName; }).out;
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serde_json = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.81" { inherit profileName; }).out;
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systemstat = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".systemstat."0.2.3" { inherit profileName; }).out;
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tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.17.0" { inherit profileName; }).out;
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tokio_stream = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-stream."0.1.8" { inherit profileName; }).out;
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tracing = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.32" { inherit profileName; }).out;
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@ -4917,6 +4918,21 @@ in
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};
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});
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"registry+https://github.com/rust-lang/crates.io-index".systemstat."0.2.3" = overridableMkRustCrate (profileName: rec {
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name = "systemstat";
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version = "0.2.3";
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registry = "registry+https://github.com/rust-lang/crates.io-index";
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src = fetchCratesIo { inherit name version; sha256 = "a24aec24a9312c83999a28e3ef9db7e2afd5c64bf47725b758cdc1cafd5b0bd2"; };
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dependencies = {
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bytesize = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytesize."1.1.0" { inherit profileName; }).out;
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lazy_static = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".lazy_static."1.4.0" { inherit profileName; }).out;
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libc = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.121" { inherit profileName; }).out;
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${ if hostPlatform.parsed.kernel.name == "linux" || hostPlatform.parsed.kernel.name == "android" then "nom" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".nom."7.1.1" { inherit profileName; }).out;
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time = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".time."0.3.9" { inherit profileName; }).out;
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${ if hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
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};
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});
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"registry+https://github.com/rust-lang/crates.io-index".tempfile."3.3.0" = overridableMkRustCrate (profileName: rec {
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name = "tempfile";
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version = "3.3.0";
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@ -5890,6 +5906,7 @@ in
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[ "ntsecapi" ]
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[ "ntstatus" ]
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[ "objbase" ]
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[ "pdh" ]
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[ "processenv" ]
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[ "processthreadsapi" ]
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[ "profileapi" ]
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2
Makefile
2
Makefile
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@ -4,7 +4,7 @@ all:
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clear; cargo build
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release:
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nix-build --arg release true
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nix-build --attr pkgs.amd64.release --no-build-output
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shell:
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nix-shell
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@ -15,6 +15,7 @@ use garage_util::time::*;
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use garage_table::replication::*;
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use garage_table::*;
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use garage_rpc::ring::PARTITION_BITS;
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use garage_rpc::*;
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use garage_block::manager::BlockResyncErrorInfo;
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@ -783,6 +784,7 @@ impl AdminRpcHandler {
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for node in ring.layout.node_ids().iter() {
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let mut opt = opt.clone();
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opt.all_nodes = false;
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opt.skip_global = true;
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writeln!(&mut ret, "\n======================").unwrap();
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writeln!(&mut ret, "Stats for node {:?}:", node).unwrap();
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@ -799,6 +801,15 @@ impl AdminRpcHandler {
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Err(e) => writeln!(&mut ret, "Network error: {}", e).unwrap(),
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}
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}
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writeln!(&mut ret, "\n======================").unwrap();
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write!(
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&mut ret,
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"Cluster statistics:\n\n{}",
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self.gather_cluster_stats()
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)
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.unwrap();
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Ok(AdminRpc::Ok(ret))
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} else {
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Ok(AdminRpc::Ok(self.gather_stats_local(opt)?))
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@ -819,22 +830,6 @@ impl AdminRpcHandler {
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writeln!(&mut ret, "\nDatabase engine: {}", self.garage.db.engine()).unwrap();
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// Gather ring statistics
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let ring = self.garage.system.ring.borrow().clone();
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let mut ring_nodes = HashMap::new();
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for (_i, loc) in ring.partitions().iter() {
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for n in ring.get_nodes(loc, ring.replication_factor).iter() {
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if !ring_nodes.contains_key(n) {
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ring_nodes.insert(*n, 0usize);
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}
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*ring_nodes.get_mut(n).unwrap() += 1;
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}
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}
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writeln!(&mut ret, "\nRing nodes & partition count:").unwrap();
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for (n, c) in ring_nodes.iter() {
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writeln!(&mut ret, " {:?} {}", n, c).unwrap();
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}
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// Gather table statistics
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let mut table = vec![" Table\tItems\tMklItems\tMklTodo\tGcTodo".into()];
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table.push(self.gather_table_stats(&self.garage.bucket_table, opt.detailed)?);
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@ -881,12 +876,108 @@ impl AdminRpcHandler {
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.unwrap();
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if !opt.detailed {
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writeln!(&mut ret, "\nIf values are missing (marked as NC), consider adding the --detailed flag - this will be slow.").unwrap();
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writeln!(&mut ret, "\nIf values are missing above (marked as NC), consider adding the --detailed flag (this will be slow).").unwrap();
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}
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if !opt.skip_global {
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write!(&mut ret, "\n{}", self.gather_cluster_stats()).unwrap();
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}
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Ok(ret)
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}
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fn gather_cluster_stats(&self) -> String {
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let mut ret = String::new();
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// Gather storage node and free space statistics
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let layout = &self.garage.system.ring.borrow().layout;
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let mut node_partition_count = HashMap::<Uuid, u64>::new();
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for short_id in layout.ring_assignation_data.iter() {
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let id = layout.node_id_vec[*short_id as usize];
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*node_partition_count.entry(id).or_default() += 1;
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}
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let node_info = self
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.garage
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.system
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.get_known_nodes()
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.into_iter()
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.map(|n| (n.id, n))
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.collect::<HashMap<_, _>>();
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let mut table = vec![" ID\tHostname\tZone\tCapacity\tPart.\tDataAvail\tMetaAvail".into()];
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for (id, parts) in node_partition_count.iter() {
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let info = node_info.get(id);
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let status = info.map(|x| &x.status);
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let role = layout.roles.get(id).and_then(|x| x.0.as_ref());
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let hostname = status.map(|x| x.hostname.as_str()).unwrap_or("?");
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let zone = role.map(|x| x.zone.as_str()).unwrap_or("?");
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let capacity = role.map(|x| x.capacity_string()).unwrap_or("?".into());
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let avail_str = |x| match x {
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Some((avail, total)) => {
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let pct = (avail as f64) / (total as f64) * 100.;
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let avail = bytesize::ByteSize::b(avail);
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let total = bytesize::ByteSize::b(total);
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format!("{}/{} ({:.1}%)", avail, total, pct)
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}
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None => "?".into(),
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};
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let data_avail = avail_str(status.and_then(|x| x.data_disk_avail));
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let meta_avail = avail_str(status.and_then(|x| x.meta_disk_avail));
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table.push(format!(
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" {:?}\t{}\t{}\t{}\t{}\t{}\t{}",
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id, hostname, zone, capacity, parts, data_avail, meta_avail
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));
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}
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write!(
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&mut ret,
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"Storage nodes:\n{}",
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format_table_to_string(table)
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)
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.unwrap();
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let meta_part_avail = node_partition_count
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.iter()
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.filter_map(|(id, parts)| {
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node_info
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.get(id)
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.and_then(|x| x.status.meta_disk_avail)
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.map(|c| c.0 / *parts)
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})
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.collect::<Vec<_>>();
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let data_part_avail = node_partition_count
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.iter()
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.filter_map(|(id, parts)| {
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node_info
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.get(id)
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.and_then(|x| x.status.data_disk_avail)
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.map(|c| c.0 / *parts)
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})
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.collect::<Vec<_>>();
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if !meta_part_avail.is_empty() && !data_part_avail.is_empty() {
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let meta_avail =
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bytesize::ByteSize(meta_part_avail.iter().min().unwrap() * (1 << PARTITION_BITS));
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let data_avail =
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bytesize::ByteSize(data_part_avail.iter().min().unwrap() * (1 << PARTITION_BITS));
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writeln!(
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&mut ret,
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"\nEstimated available storage space cluster-wide (might be lower in practice):"
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)
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.unwrap();
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if meta_part_avail.len() < node_partition_count.len()
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|| data_part_avail.len() < node_partition_count.len()
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{
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writeln!(&mut ret, " data: < {}", data_avail).unwrap();
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writeln!(&mut ret, " metadata: < {}", meta_avail).unwrap();
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writeln!(&mut ret, "A precise estimate could not be given as information is missing for some storage nodes.").unwrap();
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} else {
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writeln!(&mut ret, " data: {}", data_avail).unwrap();
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writeln!(&mut ret, " metadata: {}", meta_avail).unwrap();
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}
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}
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ret
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}
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fn gather_table_stats<F, R>(
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&self,
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t: &Arc<Table<F, R>>,
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@ -59,18 +59,29 @@ pub async fn cmd_status(rpc_cli: &Endpoint<SystemRpc, ()>, rpc_host: NodeID) ->
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let layout = fetch_layout(rpc_cli, rpc_host).await?;
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println!("==== HEALTHY NODES ====");
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let mut healthy_nodes = vec!["ID\tHostname\tAddress\tTags\tZone\tCapacity".to_string()];
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let mut healthy_nodes =
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vec!["ID\tHostname\tAddress\tTags\tZone\tCapacity\tDataAvail\tMetaAvail".to_string()];
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for adv in status.iter().filter(|adv| adv.is_up) {
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match layout.roles.get(&adv.id) {
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Some(NodeRoleV(Some(cfg))) => {
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let data_avail = match &adv.status.data_disk_avail {
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_ if cfg.capacity.is_none() => "N/A".into(),
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Some((avail, total)) => {
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let pct = (*avail as f64) / (*total as f64) * 100.;
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let avail = bytesize::ByteSize::b(*avail);
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format!("{} ({:.1}%)", avail, pct)
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}
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None => "?".into(),
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};
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healthy_nodes.push(format!(
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"{id:?}\t{host}\t{addr}\t[{tags}]\t{zone}\t{capacity}",
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"{id:?}\t{host}\t{addr}\t[{tags}]\t{zone}\t{capacity}\t{data_avail}",
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id = adv.id,
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host = adv.status.hostname,
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addr = adv.addr,
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tags = cfg.tags.join(","),
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zone = cfg.zone,
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capacity = cfg.capacity_string(),
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data_avail = data_avail,
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));
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}
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_ => {
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|
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@ -504,6 +504,11 @@ pub struct StatsOpt {
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/// Gather detailed statistics (this can be long)
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#[structopt(short = "d", long = "detailed")]
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pub detailed: bool,
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/// Don't show global cluster stats (internal use in RPC)
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#[structopt(skip)]
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#[serde(default)]
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pub skip_global: bool,
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}
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#[derive(Serialize, Deserialize, StructOpt, Debug, Eq, PartialEq, Clone)]
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|
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@ -23,6 +23,7 @@ hex = "0.4"
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tracing = "0.1.30"
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rand = "0.8"
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sodiumoxide = { version = "0.2.5-0", package = "kuska-sodiumoxide" }
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systemstat = "0.2.3"
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async-trait = "0.1.7"
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serde = { version = "1.0", default-features = false, features = ["derive", "rc"] }
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|
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@ -118,18 +118,28 @@ pub struct System {
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/// Path to metadata directory
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pub metadata_dir: PathBuf,
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/// Path to data directory
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pub data_dir: PathBuf,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct NodeStatus {
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/// Hostname of the node
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pub hostname: String,
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/// Replication factor configured on the node
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pub replication_factor: usize,
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/// Cluster layout version
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pub cluster_layout_version: u64,
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/// Hash of cluster layout staging data
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pub cluster_layout_staging_hash: Hash,
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/// Disk usage on partition containing metadata directory (tuple: `(avail, total)`)
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#[serde(default)]
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pub meta_disk_avail: Option<(u64, u64)>,
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/// Disk usage on partition containing data directory (tuple: `(avail, total)`)
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#[serde(default)]
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pub data_disk_avail: Option<(u64, u64)>,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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@ -271,14 +281,8 @@ impl System {
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}
|
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};
|
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|
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let local_status = NodeStatus {
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hostname: gethostname::gethostname()
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.into_string()
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.unwrap_or_else(|_| "<invalid utf-8>".to_string()),
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replication_factor,
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cluster_layout_version: cluster_layout.version,
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cluster_layout_staging_hash: cluster_layout.staging_hash,
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};
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let mut local_status = NodeStatus::initial(replication_factor, &cluster_layout);
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local_status.update_disk_usage(&config.metadata_dir, &config.data_dir);
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#[cfg(feature = "metrics")]
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let metrics = SystemMetrics::new(replication_factor);
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|
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@ -379,6 +383,7 @@ impl System {
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ring,
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update_ring: Mutex::new(update_ring),
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metadata_dir: config.metadata_dir.clone(),
|
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data_dir: config.data_dir.clone(),
|
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});
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sys.system_endpoint.set_handler(sys.clone());
|
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Ok(sys)
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|
|
@ -416,12 +421,7 @@ impl System {
|
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.get(&n.id.into())
|
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.cloned()
|
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.map(|(_, st)| st)
|
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.unwrap_or(NodeStatus {
|
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hostname: "?".to_string(),
|
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replication_factor: 0,
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cluster_layout_version: 0,
|
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cluster_layout_staging_hash: Hash::from([0u8; 32]),
|
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}),
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.unwrap_or(NodeStatus::unknown()),
|
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})
|
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.collect::<Vec<_>>();
|
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known_nodes
|
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|
|
@ -600,6 +600,9 @@ impl System {
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let ring = self.ring.borrow();
|
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new_si.cluster_layout_version = ring.layout.version;
|
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new_si.cluster_layout_staging_hash = ring.layout.staging_hash;
|
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|
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new_si.update_disk_usage(&self.metadata_dir, &self.data_dir);
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self.local_status.swap(Arc::new(new_si));
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}
|
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|
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|
|
@ -864,6 +867,48 @@ impl EndpointHandler<SystemRpc> for System {
|
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}
|
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}
|
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|
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impl NodeStatus {
|
||||
fn initial(replication_factor: usize, layout: &ClusterLayout) -> Self {
|
||||
NodeStatus {
|
||||
hostname: gethostname::gethostname()
|
||||
.into_string()
|
||||
.unwrap_or_else(|_| "<invalid utf-8>".to_string()),
|
||||
replication_factor,
|
||||
cluster_layout_version: layout.version,
|
||||
cluster_layout_staging_hash: layout.staging_hash,
|
||||
meta_disk_avail: None,
|
||||
data_disk_avail: None,
|
||||
}
|
||||
}
|
||||
|
||||
fn unknown() -> Self {
|
||||
NodeStatus {
|
||||
hostname: "?".to_string(),
|
||||
replication_factor: 0,
|
||||
cluster_layout_version: 0,
|
||||
cluster_layout_staging_hash: Hash::from([0u8; 32]),
|
||||
meta_disk_avail: None,
|
||||
data_disk_avail: None,
|
||||
}
|
||||
}
|
||||
|
||||
fn update_disk_usage(&mut self, meta_dir: &Path, data_dir: &Path) {
|
||||
use systemstat::{Platform, System};
|
||||
let mounts = System::new().mounts().unwrap_or_default();
|
||||
|
||||
let mount_avail = |path: &Path| {
|
||||
mounts
|
||||
.iter()
|
||||
.filter(|x| path.starts_with(&x.fs_mounted_on))
|
||||
.max_by_key(|x| x.fs_mounted_on.len())
|
||||
.map(|x| (x.avail.as_u64(), x.total.as_u64()))
|
||||
};
|
||||
|
||||
self.meta_disk_avail = mount_avail(meta_dir);
|
||||
self.data_disk_avail = mount_avail(data_dir);
|
||||
}
|
||||
}
|
||||
|
||||
fn get_default_ip() -> Option<IpAddr> {
|
||||
pnet_datalink::interfaces()
|
||||
.iter()
|
||||
|
|
|
|||
Loading…
Reference in a new issue