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[client] Prevent corruption from competing log rotation and improve debug bundle (#6214)

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* Adds heuristic to detect an edge case on Linux where a system has configured logrotate as a separate service to rotate log files which would mangle our client log files. If we detect logrotate being configured for netbird, we disable our rotation.

* Adds new env var to disable log rotation: NB_LOG_DISABLE_ROTATION

* Adds compressed and plain logrotate files to debug bundle.

* Replaces lumberjack with timberjack (maintained fork with bug fixes and extra features).

* Clarifies which daemon version is running in the bundle stats.

* Change logging for client service status to console
This commit is contained in:
Theodor Midtlien
2026-06-04 17:36:45 +02:00
committed by GitHub
parent 5993ec6e43
commit 512899d82d
18 changed files with 513 additions and 32 deletions
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22
client/internal/debug/debug.go
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@@ -254,6 +254,8 @@ type BundleGenerator struct {
capturePath string
refreshStatus func() // Optional callback to refresh status before bundle generation
clientMetrics MetricsExporter
daemonVersion string
cliVersion string
anonymize bool
includeSystemInfo bool
@@ -278,6 +280,8 @@ type GeneratorDependencies struct {
CapturePath string
RefreshStatus func()
ClientMetrics MetricsExporter
DaemonVersion string
CliVersion string
}
func NewBundleGenerator(deps GeneratorDependencies, cfg BundleConfig) *BundleGenerator {
@@ -299,6 +303,8 @@ func NewBundleGenerator(deps GeneratorDependencies, cfg BundleConfig) *BundleGen
capturePath: deps.CapturePath,
refreshStatus: deps.RefreshStatus,
clientMetrics: deps.ClientMetrics,
daemonVersion: deps.DaemonVersion,
cliVersion: deps.CliVersion,
anonymize: cfg.Anonymize,
includeSystemInfo: cfg.IncludeSystemInfo,
@@ -459,9 +465,11 @@ func (g *BundleGenerator) addStatus() error {
protoFullStatus := nbstatus.ToProtoFullStatus(fullStatus)
protoFullStatus.Events = g.statusRecorder.GetEventHistory()
overview := nbstatus.ConvertToStatusOutputOverview(protoFullStatus, nbstatus.ConvertOptions{
Anonymize: g.anonymize,
ProfileName: profName,
Anonymize: g.anonymize,
ProfileName: profName,
DaemonVersion: g.daemonVersion,
})
overview.CliVersion = g.cliVersion
statusOutput := overview.FullDetailSummary()
statusReader := strings.NewReader(statusOutput)
@@ -1039,7 +1047,8 @@ func (g *BundleGenerator) addRotatedLogFiles(logDir string) {
return
}
pattern := filepath.Join(logDir, "client-*.log.gz")
// This regex will match both logs rotated by us and logrotate on linux
pattern := filepath.Join(logDir, "client*.log.*")
files, err := filepath.Glob(pattern)
if err != nil {
log.Warnf("failed to glob rotated logs: %v", err)
@@ -1072,7 +1081,12 @@ func (g *BundleGenerator) addRotatedLogFiles(logDir string) {
for i := 0; i < maxFiles; i++ {
name := filepath.Base(files[i])
if err := g.addSingleLogFileGz(files[i], name); err != nil {
if strings.HasSuffix(name, ".gz") {
err = g.addSingleLogFileGz(files[i], name)
} else {
err = g.addSingleLogfile(files[i], name)
}
if err != nil {
log.Warnf("failed to add rotated log %s: %v", name, err)
}
}