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use statvfs instead of mount list to determine free data/meta space (fix #611)

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This commit is contained in:
Alex Auvolat 2023-09-11 19:08:24 +02:00
parent fc635f7072
commit d5bb50d738
4 changed files with 39 additions and 45 deletions
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27
Cargo.lock generated
View file

@ -1377,6 +1377,7 @@ dependencies = [
"kube",
"kuska-sodiumoxide",
"netapp",
"nix",
"opentelemetry",
"pnet_datalink",
"rand",
@ -1385,7 +1386,6 @@ dependencies = [
"serde",
"serde_bytes",
"serde_json",
"systemstat",
"tokio",
"tokio-stream",
"tracing",
@ -2292,6 +2292,17 @@ dependencies = [
"tokio-util 0.7.8",
]
[[package]]
name = "nix"
version = "0.27.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"
dependencies = [
"bitflags 2.4.0",
"cfg-if",
"libc",
]
[[package]]
name = "no-std-net"
version = "0.6.0"
@ -3534,20 +3545,6 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "systemstat"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a24aec24a9312c83999a28e3ef9db7e2afd5c64bf47725b758cdc1cafd5b0bd2"
dependencies = [
"bytesize",
"lazy_static",
"libc",
"nom",
"time 0.3.28",
"winapi",
]
[[package]]
name = "tempfile"
version = "3.8.0"

38
Cargo.nix
View file

@ -33,7 +33,7 @@ args@{
ignoreLockHash,
}:
let
nixifiedLockHash = "3e3f41f614ab470ecb4b06c670cd6a84c443d799d01f1d48f1d251872099c468";
nixifiedLockHash = "ab8dba64b487c83fa25ebafbad99538d2f38afa5b53f83e4e031b7909665166b";
workspaceSrc = if args.workspaceSrc == null then ./. else args.workspaceSrc;
currentLockHash = builtins.hashFile "sha256" (workspaceSrc + /Cargo.lock);
lockHashIgnored = if ignoreLockHash
@ -1961,6 +1961,7 @@ in
${ if rootFeatures' ? "garage/kubernetes-discovery" || rootFeatures' ? "garage_rpc/kube" || rootFeatures' ? "garage_rpc/kubernetes-discovery" then "kube" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kube."0.75.0" { inherit profileName; }).out;
sodiumoxide = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".kuska-sodiumoxide."0.2.5-0" { inherit profileName; }).out;
netapp = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".netapp."0.5.2" { inherit profileName; }).out;
nix = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".nix."0.27.1" { inherit profileName; }).out;
opentelemetry = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".opentelemetry."0.17.0" { inherit profileName; }).out;
pnet_datalink = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".pnet_datalink."0.33.0" { inherit profileName; }).out;
rand = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".rand."0.8.5" { inherit profileName; }).out;
@ -1969,7 +1970,6 @@ in
serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.188" { inherit profileName; }).out;
serde_bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_bytes."0.11.12" { inherit profileName; }).out;
serde_json = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_json."1.0.105" { inherit profileName; }).out;
systemstat = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".systemstat."0.2.3" { inherit profileName; }).out;
tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.32.0" { inherit profileName; }).out;
tokio_stream = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio-stream."0.1.14" { inherit profileName; }).out;
tracing = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing."0.1.37" { inherit profileName; }).out;
@ -2956,7 +2956,7 @@ in
src = fetchCratesIo { inherit name version; sha256 = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"; };
features = builtins.concatLists [
[ "default" ]
(lib.optional (rootFeatures' ? "garage/opentelemetry-otlp" || rootFeatures' ? "garage/telemetry-otlp" || rootFeatures' ? "garage_db/cli" || rootFeatures' ? "garage_db/pretty_env_logger") "extra_traits")
[ "extra_traits" ]
[ "std" ]
];
});
@ -3232,6 +3232,21 @@ in
};
});
"registry+https://github.com/rust-lang/crates.io-index".nix."0.27.1" = overridableMkRustCrate (profileName: rec {
name = "nix";
version = "0.27.1";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"; };
features = builtins.concatLists [
[ "fs" ]
];
dependencies = {
bitflags = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bitflags."2.4.0" { inherit profileName; }).out;
cfg_if = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".cfg-if."1.0.0" { inherit profileName; }).out;
libc = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.147" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".no-std-net."0.6.0" = overridableMkRustCrate (profileName: rec {
name = "no-std-net";
version = "0.6.0";
@ -5001,21 +5016,6 @@ in
};
});
"registry+https://github.com/rust-lang/crates.io-index".systemstat."0.2.3" = overridableMkRustCrate (profileName: rec {
name = "systemstat";
version = "0.2.3";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "a24aec24a9312c83999a28e3ef9db7e2afd5c64bf47725b758cdc1cafd5b0bd2"; };
dependencies = {
bytesize = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".bytesize."1.3.0" { inherit profileName; }).out;
lazy_static = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".lazy_static."1.4.0" { inherit profileName; }).out;
libc = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.147" { inherit profileName; }).out;
${ 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."7.1.3" { inherit profileName; }).out;
time = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".time."0.3.28" { inherit profileName; }).out;
${ if hostPlatform.isWindows then "winapi" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".winapi."0.3.9" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".tempfile."3.8.0" = overridableMkRustCrate (profileName: rec {
name = "tempfile";
version = "3.8.0";
@ -6035,7 +6035,6 @@ in
[ "ntsecapi" ]
[ "ntstatus" ]
(lib.optional (rootFeatures' ? "garage/kubernetes-discovery" || rootFeatures' ? "garage_rpc/kube" || rootFeatures' ? "garage_rpc/kubernetes-discovery") "objbase")
[ "pdh" ]
[ "processenv" ]
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled" || rootFeatures' ? "garage_db/default" || rootFeatures' ? "garage_db/sled" || rootFeatures' ? "garage_model/default" || rootFeatures' ? "garage_model/sled") "processthreadsapi")
[ "profileapi" ]
@ -6049,7 +6048,6 @@ in
[ "winerror" ]
[ "winnt" ]
[ "winsock2" ]
[ "ws2def" ]
[ "ws2ipdef" ]
[ "ws2tcpip" ]
[ "wtypesbase" ]

2
src/rpc/Cargo.toml
View file

@ -24,7 +24,7 @@ hex = "0.4"
tracing = "0.1"
rand = "0.8"
sodiumoxide = { version = "0.2.5-0", package = "kuska-sodiumoxide" }
systemstat = "0.2.3"
nix = { version = "0.27", default-features = false, features = ["fs"] }
async-trait = "0.1.7"
serde = { version = "1.0", default-features = false, features = ["derive", "rc"] }

17
src/rpc/system.rs
View file

@ -891,15 +891,14 @@ impl NodeStatus {
}
fn update_disk_usage(&mut self, meta_dir: &Path, data_dir: &Path, metrics: &SystemMetrics) {
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()))
use nix::sys::statvfs::statvfs;
let mount_avail = |path: &Path| match statvfs(path) {
Ok(x) => {
let avail = x.blocks_available() * x.fragment_size();
let total = x.blocks() * x.fragment_size();
Some((avail, total))
}
Err(_) => None,
};
self.meta_disk_avail = mount_avail(meta_dir);