bruno
4e1d7cd94a
Add YAML config loading with validation, env overrides for secrets, and a web dashboard exposing health, stats, and recent events.
120 lines
2.6 KiB
V
120 lines
2.6 KiB
V
module main
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import time
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pub enum LogLevel {
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debug
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info
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warn
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error
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}
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pub struct Logger {
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level LogLevel
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json_mode bool
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}
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pub fn new_logger(level LogLevel, json_mode bool) Logger {
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return Logger{
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level: level
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json_mode: json_mode
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}
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}
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fn level_string(level LogLevel) string {
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return match level {
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.debug { 'DEBUG' }
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.info { 'INFO' }
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.warn { 'WARN' }
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.error { 'ERROR' }
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}
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}
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fn level_icon(level LogLevel) string {
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return match level {
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.debug { '🔍' }
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.info { 'ℹ️ ' }
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.warn { '⚠️ ' }
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.error { '❌' }
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}
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}
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fn (l Logger) should_log(level LogLevel) bool {
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return int(level) >= int(l.level)
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}
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pub fn (l Logger) log(level LogLevel, source string, event string, message string) {
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if !l.should_log(level) {
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return
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}
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if l.json_mode {
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l.log_json(level, source, event, message)
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} else {
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l.log_human(level, source, event, message)
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}
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}
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fn (l Logger) log_json(level LogLevel, source string, event string, message string) {
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timestamp := time.now().format_rfc3339()
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level_str := level_string(level)
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// Manual JSON construction — simple enough to avoid importing json for each log line
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// Escape backslashes and quotes in message
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escaped := escape_json(message)
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output := '{"timestamp":"${timestamp}","level":"${level_str}","source":"${source}","event":"${event}","message":"${escaped}"}'
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if level == .error {
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eprintln(output)
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} else {
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println(output)
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}
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}
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fn escape_json(s string) string {
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mut result := s.clone()
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result = result.replace('\\', '\\\\')
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result = result.replace('"', '\\"')
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result = result.replace('\n', '\\n')
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result = result.replace('\r', '\\r')
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result = result.replace('\t', '\\t')
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return result
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}
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fn (l Logger) log_human(level LogLevel, source string, _event string, message string) {
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icon := level_icon(level)
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ts := time.now()
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ts_str := format_time_compact(ts)
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output := '${ts_str} ${icon} [${source}] ${message}'
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if level == .error {
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eprintln(output)
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} else if level == .warn {
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eprintln(output)
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} else {
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println(output)
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}
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}
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// format_time_compact returns "HH:MM:SS" (compact time for console output)
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fn format_time_compact(t time.Time) string {
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h := int(t.hour)
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m := int(t.minute)
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s := int(t.second)
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return '${h:02d}:${m:02d}:${s:02d}'
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}
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pub fn (l Logger) debug(source string, event string, message string) {
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l.log(.debug, source, event, message)
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}
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pub fn (l Logger) info(source string, event string, message string) {
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l.log(.info, source, event, message)
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}
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pub fn (l Logger) warn(source string, event string, message string) {
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l.log(.warn, source, event, message)
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}
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pub fn (l Logger) error(source string, event string, message string) {
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l.log(.error, source, event, message)
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}
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