Testowanie ECS

This commit is contained in:
Adrian Woźniak 2023-04-06 16:02:29 +02:00
parent fa3586febb
commit c2da970817
7 changed files with 971 additions and 11 deletions

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checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
[[package]]
name = "windows_x86_64_msvc"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"

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@ -1,8 +1,5 @@
[package] [workspace]
name = "modivo-utils-rs" members = [
version = "0.1.0" 'crates/systemd-credentials',
edition = "2021" 'crates/tracing-ecs',
]
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

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@ -0,0 +1,8 @@
[package]
name = "systemd-credentials"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]

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@ -0,0 +1,14 @@
pub fn add(left: usize, right: usize) -> usize {
left + right
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn it_works() {
let result = add(2, 2);
assert_eq!(result, 4);
}
}

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@ -0,0 +1,15 @@
[package]
name = "tracing-ecs"
version = "0.1.0"
edition = "2021"
[dependencies]
chrono = { version = "0.4.24", default-features = false, features = ["std", 'serde', 'clock'] }
serde = { version = "1.0.159", features = ['derive'] }
serde_json = "1.0.95"
tracing = "0.1.37"
tracing-core = { version = "0.1.30", default-features = false, features = ["std"] }
tracing-subscriber = { version = "0.3.16", features = ["env-filter", "serde_json"] }
[dev-dependencies]
tracing-test = "0.2.4"

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@ -0,0 +1,282 @@
//! Based on [ecs-logger](https://github.com/ciffelia/ecs-logger) crate
use std::path::Path;
use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use tracing::Subscriber;
use tracing_subscriber::fmt::{format, FmtContext, FormatEvent, FormatFields, MakeWriter};
use tracing_subscriber::layer::SubscriberExt;
use tracing_subscriber::registry::LookupSpan;
use tracing_subscriber::util::SubscriberInitExt;
use tracing_subscriber::{EnvFilter, Layer, Registry};
/// Represents Elastic Common Schema version.
const ECS_VERSION: &str = "1.2.0";
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Config {
#[serde(default)]
pub enabled: bool,
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct Log {
pub logger: &'static str,
pub level: String,
}
impl Log {
fn new<'a>(record: &'a tracing_core::Event<'a>) -> Self {
Self {
logger: "ECS Logger",
level: record.metadata().level().to_string(),
}
}
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct Service<'env> {
pub name: &'static str,
pub version: &'static str,
pub environment: &'env str,
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct BodyMockup {
pub content: String,
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct HttpRequest {
pub id: String,
pub method: String,
pub body: BodyMockup,
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct HttpResponse {
pub status_code: u16,
pub body: BodyMockup,
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct Http {
pub request: HttpRequest,
pub response: HttpResponse,
}
/// Information about the source code which logged the message.
///
/// <https://www.elastic.co/guide/en/ecs/current/ecs-log.html>
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct LogOrigin<'a> {
/// Representation of the source code which logged the message.
///
/// Mapped to `log.origin.file` field.
pub file: LogOriginFile<'a>,
/// Rust-specific information about the source code which logged the
/// message.
///
/// Mapped to `log.origin.rust` field.
pub rust: LogOriginRust<'a>,
}
/// Representation of the source code which logged the message.
///
/// <https://www.elastic.co/guide/en/ecs/current/ecs-log.html>
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct LogOriginFile<'a> {
/// The line number of the source code which logged the message.
///
/// Mapped to `log.origin.file.line` field.
#[serde(skip_serializing_if = "Option::is_none")]
pub line: Option<u32>,
/// The filename of the source code which logged the message.
///
/// Mapped to `log.origin.file.name` field.
#[serde(skip_serializing_if = "Option::is_none")]
pub name: Option<&'a str>,
}
/// Rust-specific information about the source code which logged the message.
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct LogOriginRust<'a> {
/// The name of the log target.
///
/// Mapped to `log.origin.rust.target` field.
pub target: &'a str,
/// The module path of the source code which logged the message.
///
/// Mapped to `log.origin.rust.module_path` field.
#[serde(skip_serializing_if = "Option::is_none")]
pub module_path: Option<&'a str>,
/// The file path of the source code which logged the message.
///
/// Mapped to `log.origin.rust.file_path` field.
#[serde(skip_serializing_if = "Option::is_none")]
pub file_path: Option<&'a str>,
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct Labels {
#[serde(rename = "rust.target")]
pub target: String,
#[serde(rename = "rust.module_path")]
pub module_path: String,
#[serde(rename = "rust.file_path")]
pub file: String,
#[serde(rename = "file.line")]
pub line: String,
#[serde(rename = "file.name")]
pub file_path: String,
}
/// Representation of an event compatible with ECS logging.
///
/// The event follows [ECS Logging spec](https://github.com/elastic/ecs-logging/tree/master/spec).
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub struct Event<'env> {
pub log: Log,
pub service: Service<'env>,
pub labels: Labels,
pub tags: Vec<String>,
pub http: Option<Http>,
/// Date and time when the message is logged.
///
/// Mapped to `@timestamp` field.
#[serde(rename = "@timestamp")]
pub timestamp: DateTime<Utc>,
/// The message body.
///
/// Mapped to `message` field.
pub message: String,
/// ECS version this event conforms to.
///
/// Mapped to `ecs.version` field.
#[serde(rename = "ecs.version")]
pub ecs_version: &'static str,
}
pub struct StringVisitor<'a> {
string: &'a mut String,
}
impl<'a> tracing::field::Visit for StringVisitor<'a> {
fn record_debug(&mut self, _field: &tracing::field::Field, value: &dyn std::fmt::Debug) {
use std::fmt::Write;
write!(self.string, "{:?} ", value).unwrap();
}
}
impl<'a, 'env> Event<'env> {
pub fn new(
timestamp: DateTime<Utc>,
event: &'a tracing_core::Event<'a>,
env: &'env str,
) -> Self {
let meta = event.metadata();
let file_path = meta.file().map(Path::new);
let mut message = String::new();
event.record(&mut StringVisitor {
string: &mut message,
});
Self {
timestamp,
log: Log::new(event),
service: Service {
name: "seomatic",
version: env!("CARGO_PKG_VERSION"),
environment: env,
},
message,
ecs_version: ECS_VERSION,
labels: Labels {
target: meta.target().into(),
module_path: meta.module_path().unwrap_or_default().into(),
file: meta.file().unwrap_or_default().into(),
line: meta.line().unwrap_or_default().to_string(),
file_path: file_path
.and_then(|p| p.file_name())
.and_then(|os_str| os_str.to_str())
.unwrap_or_default()
.into(),
},
tags: vec![],
http: None,
}
}
}
struct EcsFormatter {
env: String,
}
impl<S, N> FormatEvent<S, N> for EcsFormatter
where
S: Subscriber + for<'a> LookupSpan<'a>,
N: for<'a> FormatFields<'a> + 'static,
{
fn format_event(
&self,
_ctx: &FmtContext<'_, S, N>,
mut writer: format::Writer<'_>,
event: &tracing_core::Event<'_>,
) -> std::fmt::Result {
let event = Event::new(Utc::now(), event, &self.env);
writeln!(writer, "{}", serde_json::to_string(&event).unwrap())
}
}
pub fn init() {
init_with_writer(|| std::io::stdout());
}
fn init_with_writer<'writer, W>(writer: W)
where
W: std::io::Write,
{
let layer = tracing_subscriber::fmt::layer()
.event_format(EcsFormatter {
env: std::env::var("ENV").unwrap_or_else(|_| "prod".into()),
})
.with_writer(|| writer);
tracing_subscriber::registry()
.with(EnvFilter::from_default_env())
.with(layer)
.init();
}
#[cfg(test)]
mod tests {
use crate::{init, init_with_writer};
use std::sync::Mutex;
use tracing::info;
use tracing_test::internal::{logs_assert, MockWriter};
#[test]
fn format_msg() {
init();
info!("Message");
let buffer = Mutex::new(Vec::with_capacity(1_024));
let writer = MockWriter::new(&buffer);
init_with_writer(|| writer);
logs_assert(|lines: &[&str]| {
for line in lines {
return Err(format!("{line:?}"));
}
todo!()
});
}
}

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@ -1,3 +0,0 @@
fn main() {
println!("Hello, world!");
}