1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
use std::path::PathBuf;
use std::{fs, path::Path};
use anyhow::Result;
use serde::{Deserialize, Serialize};
use tracing_subscriber::util::SubscriberInitExt;
use tracing_subscriber::{EnvFilter, FmtSubscriber};
const DEFAULT_TRACKED_CRATES: &[&str] = &[
"menmosd",
"amphora",
"xecute",
"rapidquery",
"antidns",
"lfan",
"apikit",
"menmos-client",
"betterstreams",
"repository",
"menmos-std",
"warp::filters::trace",
];
#[cfg(debug_assertions)]
const NORMAL_CRATE_LEVEL: &str = "debug";
#[cfg(not(debug_assertions))]
const NORMAL_CRATE_LEVEL: &str = "info";
#[cfg(debug_assertions)]
const DETAILED_CRATE_LEVEL: &str = "trace";
#[cfg(not(debug_assertions))]
const DETAILED_CRATE_LEVEL: &str = "debug";
#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "lowercase")]
pub enum LogLevel {
Normal,
Detailed,
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(untagged)]
pub enum LogStructure {
Preset(LogLevel),
Explicit(Vec<String>),
}
fn default_json() -> bool {
false
}
#[derive(Debug, Deserialize, Serialize)]
pub struct LoggingConfig {
pub level: LogStructure,
#[serde(default = "default_json")]
pub json: bool,
}
impl Default for LoggingConfig {
fn default() -> Self {
Self {
level: LogStructure::Preset(LogLevel::Normal),
json: false,
}
}
}
impl LoggingConfig {
fn get_filter(&self) -> EnvFilter {
let directives = match &self.level {
LogStructure::Explicit(dirs) => dirs.clone(),
&LogStructure::Preset(LogLevel::Normal) => DEFAULT_TRACKED_CRATES
.iter()
.map(|crate_name| format!("{}={}", crate_name, NORMAL_CRATE_LEVEL))
.collect::<Vec<_>>(),
LogStructure::Preset(LogLevel::Detailed) => DEFAULT_TRACKED_CRATES
.iter()
.map(|crate_name| format!("{}={}", crate_name, DETAILED_CRATE_LEVEL))
.collect::<Vec<_>>(),
};
let joined_directives = directives.join(",");
EnvFilter::new(joined_directives)
}
}
fn load_log_config_file(path: &Path) -> Result<LoggingConfig> {
let f = fs::File::open(path)?;
let cfg: LoggingConfig = serde_json::from_reader(f)?;
Ok(cfg)
}
fn get_logging_config(path: &Option<PathBuf>) -> LoggingConfig {
path.as_ref()
.map(|p| load_log_config_file(p).ok())
.flatten()
.unwrap_or_default()
}
pub fn init_logger(log_cfg_path: &Option<PathBuf>) -> Result<()> {
let cfg = get_logging_config(log_cfg_path);
let env_filter = cfg.get_filter();
if cfg.json {
FmtSubscriber::builder()
.with_env_filter(env_filter)
.json()
.finish()
.init();
} else {
FmtSubscriber::builder()
.with_env_filter(env_filter)
.finish()
.init();
}
Ok(())
}