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[syslog] Add support to logging to syslog

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Original patch by Jakub Jirutka for Alpine Linux port.
This commit is contained in:
Alex Auvolat 2024-03-20 14:21:08 +01:00
parent 26310f3242
commit fe8a7819fa
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GPG key ID: 0E496D15096376BE
6 changed files with 80 additions and 12 deletions
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12
Cargo.lock generated
View file

@ -1322,6 +1322,7 @@ dependencies = [
"sha2",
"static_init",
"structopt",
"syslog-tracing",
"timeago",
"tokio",
"toml",
@ -3930,6 +3931,17 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "syslog-tracing"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "340b1540dcdb6b066bc2966e7974f977ab1a38f21b2be189014ffb0cc2405768"
dependencies = [
"libc",
"tracing-core",
"tracing-subscriber",
]
[[package]]
name = "system-configuration"
version = "0.5.1"

17
Cargo.nix
View file

@ -34,7 +34,7 @@ args@{
ignoreLockHash,
}:
let
nixifiedLockHash = "b35dd31aa882ac6fc7105fb99a6681a4777ed269191cb0a8c8db843910748435";
nixifiedLockHash = "1d6c837fe8357cbb1b231c1843bde1729c9864f05e5ae251be045450a0b592e3";
workspaceSrc = if args.workspaceSrc == null then ./. else args.workspaceSrc;
currentLockHash = builtins.hashFile "sha256" (workspaceSrc + /Cargo.lock);
lockHashIgnored = if ignoreLockHash
@ -1889,6 +1889,8 @@ in
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/metrics" || rootFeatures' ? "garage/prometheus") "prometheus")
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sled") "sled")
(lib.optional (rootFeatures' ? "garage/default" || rootFeatures' ? "garage/sqlite") "sqlite")
(lib.optional (rootFeatures' ? "garage/syslog") "syslog")
(lib.optional (rootFeatures' ? "garage/syslog" || rootFeatures' ? "garage/syslog-tracing") "syslog-tracing")
(lib.optional (rootFeatures' ? "garage/system-libs") "system-libs")
(lib.optional (rootFeatures' ? "garage/telemetry-otlp") "telemetry-otlp")
];
@ -1921,6 +1923,7 @@ in
serde = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde."1.0.196" { inherit profileName; }).out;
serde_bytes = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".serde_bytes."0.11.14" { inherit profileName; }).out;
structopt = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".structopt."0.3.26" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/syslog" || rootFeatures' ? "garage/syslog-tracing" then "syslog_tracing" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".syslog-tracing."0.3.0" { inherit profileName; }).out;
timeago = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".timeago."0.4.2" { inherit profileName; }).out;
tokio = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tokio."1.36.0" { inherit profileName; }).out;
toml = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".toml."0.8.10" { inherit profileName; }).out;
@ -5612,6 +5615,18 @@ in
};
});
"registry+https://github.com/rust-lang/crates.io-index".syslog-tracing."0.3.0" = overridableMkRustCrate (profileName: rec {
name = "syslog-tracing";
version = "0.3.0";
registry = "registry+https://github.com/rust-lang/crates.io-index";
src = fetchCratesIo { inherit name version; sha256 = "340b1540dcdb6b066bc2966e7974f977ab1a38f21b2be189014ffb0cc2405768"; };
dependencies = {
${ if rootFeatures' ? "garage/syslog" || rootFeatures' ? "garage/syslog-tracing" then "libc" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".libc."0.2.153" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/syslog" || rootFeatures' ? "garage/syslog-tracing" then "tracing_core" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing-core."0.1.32" { inherit profileName; }).out;
${ if rootFeatures' ? "garage/syslog" || rootFeatures' ? "garage/syslog-tracing" then "tracing_subscriber" else null } = (rustPackages."registry+https://github.com/rust-lang/crates.io-index".tracing-subscriber."0.3.18" { inherit profileName; }).out;
};
});
"registry+https://github.com/rust-lang/crates.io-index".system-configuration."0.5.1" = overridableMkRustCrate (profileName: rec {
name = "system-configuration";
version = "0.5.1";

1
Cargo.toml
View file

@ -72,6 +72,7 @@ kuska-handshake = { version = "0.2.0", features = ["default", "async_std"] }
clap = { version = "4.1", features = ["derive", "env"] }
pretty_env_logger = "0.5"
structopt = { version = "0.3", default-features = false }
syslog-tracing = "0.3"
tracing = "0.1"
tracing-subscriber = { version = "0.3", features = ["env-filter"] }

1
nix/compile.nix
View file

@ -173,6 +173,7 @@ let
"garage/kubernetes-discovery"
"garage/metrics"
"garage/telemetry-otlp"
"garage/syslog"
] else
[ ]));

3
src/garage/Cargo.toml
View file

@ -58,6 +58,7 @@ opentelemetry.workspace = true
opentelemetry-prometheus = { workspace = true, optional = true }
opentelemetry-otlp = { workspace = true, optional = true }
prometheus = { workspace = true, optional = true }
syslog-tracing = { workspace = true, optional = true }
[dev-dependencies]
aws-config.workspace = true
@ -97,6 +98,8 @@ kubernetes-discovery = [ "garage_rpc/kubernetes-discovery" ]
metrics = [ "garage_api/metrics", "opentelemetry-prometheus", "prometheus" ]
# Exporter for the OpenTelemetry Collector.
telemetry-otlp = [ "opentelemetry-otlp" ]
# Logging to syslog
syslog = [ "syslog-tracing" ]
# NOTE: bundled-libs and system-libs should be treat as mutually exclusive;
# exactly one of them should be enabled.

58
src/garage/main.rs
View file

@ -140,17 +140,8 @@ async fn main() {
let opt = Opt::from_clap(&Opt::clap().version(version.as_str()).get_matches());
// Initialize logging as well as other libraries used in Garage
if std::env::var("RUST_LOG").is_err() {
let default_log = match &opt.cmd {
Command::Server => "netapp=info,garage=info",
_ => "netapp=warn,garage=warn",
};
std::env::set_var("RUST_LOG", default_log)
}
tracing_subscriber::fmt()
.with_writer(std::io::stderr)
.with_env_filter(tracing_subscriber::filter::EnvFilter::from_default_env())
.init();
init_logging(&opt);
sodiumoxide::init().expect("Unable to init sodiumoxide");
let res = match opt.cmd {
@ -173,6 +164,51 @@ async fn main() {
}
}
fn init_logging(opt: &Opt) {
if std::env::var("RUST_LOG").is_err() {
let default_log = match &opt.cmd {
Command::Server => "netapp=info,garage=info",
_ => "netapp=warn,garage=warn",
};
std::env::set_var("RUST_LOG", default_log)
}
let env_filter = tracing_subscriber::filter::EnvFilter::from_default_env();
#[cfg(feature = "syslog")]
if std::env::var("GARAGE_LOG_TO_SYSLOG")
.map(|x| x == "1" || x == "true")
.unwrap_or(false)
{
use std::ffi::CStr;
use syslog_tracing::{Facility, Options, Syslog};
let syslog = Syslog::new(
CStr::from_bytes_with_nul(b"garage\0").unwrap(),
Options::LOG_PID | Options::LOG_PERROR,
Facility::Daemon,
)
.expect("Unable to init syslog");
tracing_subscriber::fmt()
.with_writer(syslog)
.with_env_filter(env_filter)
.with_ansi(false) // disable ANSI escape sequences (colours)
.with_file(false)
.with_level(false)
.without_time()
.compact()
.init();
return;
}
tracing_subscriber::fmt()
.with_writer(std::io::stderr)
.with_env_filter(env_filter)
.init();
}
async fn cli_command(opt: Opt) -> Result<(), Error> {
let config = if (opt.secrets.rpc_secret.is_none() && opt.secrets.rpc_secret_file.is_none())
|| opt.rpc_host.is_none()