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enable namespaced logging

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This commit is contained in:
Tai Groot
2025-11-10 16:07:28 -05:00
parent 9c571ca955
commit f86c2dbf46
11 changed files with 932 additions and 54 deletions
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70
log/log.go
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@@ -16,10 +16,13 @@ var (
stderrClient *Client
cleanup sync.Once
stderrFinished chan bool
namespaces map[string]bool
namespacesMux sync.RWMutex
)
func init() {
stderrClient = CreateClient()
namespaces = make(map[string]bool)
stderrClient = CreateClient(DefaultNamespace)
stderrClient.SetLogLevel(LTrace)
stderrFinished = make(chan bool, 1)
go stderrClient.logStdErr()
@@ -27,16 +30,30 @@ func init() {
func (c *Client) logStdErr() {
for e := range c.writer {
if e.level >= c.LogLevel {
fmt.Fprintf(os.Stderr, "%s\t%s\t%s\t%s\n", e.Timestamp.String(), e.Level, e.Output, e.File)
if e.level >= c.LogLevel && c.matchesNamespace(e.Namespace) {
fmt.Fprintf(os.Stderr, "%s\t%s\t[%s]\t%s\t%s\n", e.Timestamp.String(), e.Level, e.Namespace, e.Output, e.File)
}
}
stderrFinished <- true
}
func CreateClient() *Client {
func (c *Client) matchesNamespace(namespace string) bool {
// Empty Namespaces slice means match all
if len(c.Namespaces) == 0 {
return true
}
for _, ns := range c.Namespaces {
if ns == namespace {
return true
}
}
return false
}
func CreateClient(namespaces ...string) *Client {
var client Client
client.initialized = true
client.Namespaces = namespaces
client.writer = make(LogWriter, 1000)
sliceTex.Lock()
clients = append(clients, &client)
@@ -78,9 +95,18 @@ func (c *Client) GetLogLevel() Level {
}
func createLog(e Entry) {
// Track namespace
namespacesMux.Lock()
namespaces[e.Namespace] = true
namespacesMux.Unlock()
sliceTex.Lock()
for _, c := range clients {
func(c *Client, e Entry) {
// Filter by namespace if client has filters specified
if !c.matchesNamespace(e.Namespace) {
return
}
select {
case c.writer <- e:
// try to clear out one of the older entries
@@ -96,6 +122,18 @@ func createLog(e Entry) {
sliceTex.Unlock()
}
// GetNamespaces returns a list of all namespaces that have been used
func GetNamespaces() []string {
namespacesMux.RLock()
defer namespacesMux.RUnlock()
result := make([]string, 0, len(namespaces))
for ns := range namespaces {
result = append(result, ns)
}
return result
}
func SetLogLevel(level Level) {
stderrClient.LogLevel = level
}
@@ -123,6 +161,7 @@ func Trace(args ...any) {
Output: output,
File: fileInfo(2),
Level: "TRACE",
Namespace: DefaultNamespace,
level: LTrace,
}
createLog(e)
@@ -137,6 +176,7 @@ func Tracef(format string, args ...any) {
File: fileInfo(2),
Level: "TRACE",
level: LTrace,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -150,6 +190,7 @@ func Traceln(args ...any) {
File: fileInfo(2),
Level: "TRACE",
level: LTrace,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -163,6 +204,7 @@ func Debug(args ...any) {
File: fileInfo(2),
Level: "DEBUG",
level: LDebug,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -176,6 +218,7 @@ func Debugf(format string, args ...any) {
File: fileInfo(2),
Level: "DEBUG",
level: LDebug,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -189,6 +232,7 @@ func Debugln(args ...any) {
File: fileInfo(2),
Level: "DEBUG",
level: LDebug,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -202,6 +246,7 @@ func Info(args ...any) {
File: fileInfo(2),
Level: "INFO",
level: LInfo,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -215,6 +260,7 @@ func Infof(format string, args ...any) {
File: fileInfo(2),
Level: "INFO",
level: LInfo,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -228,6 +274,7 @@ func Infoln(args ...any) {
File: fileInfo(2),
Level: "INFO",
level: LInfo,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -241,6 +288,7 @@ func Notice(args ...any) {
File: fileInfo(2),
Level: "NOTICE",
level: LNotice,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -254,6 +302,7 @@ func Noticef(format string, args ...any) {
File: fileInfo(2),
Level: "NOTICE",
level: LNotice,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -267,6 +316,7 @@ func Noticeln(args ...any) {
File: fileInfo(2),
Level: "NOTICE",
level: LNotice,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -280,6 +330,7 @@ func Warn(args ...any) {
File: fileInfo(2),
Level: "WARN",
level: LWarn,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -293,6 +344,7 @@ func Warnf(format string, args ...any) {
File: fileInfo(2),
Level: "WARN",
level: LWarn,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -306,6 +358,7 @@ func Warnln(args ...any) {
File: fileInfo(2),
Level: "WARN",
level: LWarn,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -319,6 +372,7 @@ func Error(args ...any) {
File: fileInfo(2),
Level: "ERROR",
level: LError,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -332,6 +386,7 @@ func Errorf(format string, args ...any) {
File: fileInfo(2),
Level: "ERROR",
level: LError,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -345,6 +400,7 @@ func Errorln(args ...any) {
File: fileInfo(2),
Level: "ERROR",
level: LError,
Namespace: DefaultNamespace,
}
createLog(e)
}
@@ -358,6 +414,7 @@ func Panic(args ...any) {
File: fileInfo(2),
Level: "PANIC",
level: LPanic,
Namespace: DefaultNamespace,
}
createLog(e)
if len(args) >= 0 {
@@ -381,6 +438,7 @@ func Panicf(format string, args ...any) {
File: fileInfo(2),
Level: "PANIC",
level: LPanic,
Namespace: DefaultNamespace,
}
createLog(e)
if len(args) >= 0 {
@@ -403,6 +461,7 @@ func Panicln(args ...any) {
File: fileInfo(2),
Level: "PANIC",
level: LPanic,
Namespace: DefaultNamespace,
}
createLog(e)
if len(args) >= 0 {
@@ -426,6 +485,7 @@ func Fatal(args ...any) {
File: fileInfo(2),
Level: "FATAL",
level: LFatal,
Namespace: DefaultNamespace,
}
createLog(e)
Flush()
@@ -441,6 +501,7 @@ func Fatalf(format string, args ...any) {
File: fileInfo(2),
Level: "FATAL",
level: LFatal,
Namespace: DefaultNamespace,
}
createLog(e)
Flush()
@@ -455,6 +516,7 @@ func Fatalln(args ...any) {
File: fileInfo(2),
Level: "FATAL",
level: LFatal,
Namespace: DefaultNamespace,
}
createLog(e)
Flush()