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-rw-r--r--libpod/events/journal_linux.go13
-rw-r--r--libpod/events/logfile.go26
2 files changed, 21 insertions, 18 deletions
diff --git a/libpod/events/journal_linux.go b/libpod/events/journal_linux.go
index 0a0a768d0..16ef6504f 100644
--- a/libpod/events/journal_linux.go
+++ b/libpod/events/journal_linux.go
@@ -141,9 +141,18 @@ func (e EventJournalD) Read(ctx context.Context, options ReadOptions) error {
if !options.Stream || (len(options.Until) > 0 && time.Now().After(untilTime)) {
break
}
- t := sdjournal.IndefiniteWait
+
+ // j.Wait() is blocking, this would cause the goroutine to hang forever
+ // if no more journal entries are generated and thus if the client
+ // has closed the connection in the meantime to leak memory.
+ // Waiting only 5 seconds makes sure we can check if the client closed in the
+ // meantime at least every 5 seconds.
+ t := 5 * time.Second
if len(options.Until) > 0 {
- t = time.Until(untilTime)
+ until := time.Until(untilTime)
+ if until < t {
+ t = until
+ }
}
_ = j.Wait(t)
continue
diff --git a/libpod/events/logfile.go b/libpod/events/logfile.go
index 4dafd8600..c7dbf4850 100644
--- a/libpod/events/logfile.go
+++ b/libpod/events/logfile.go
@@ -108,23 +108,19 @@ func (e EventLogFile) Read(ctx context.Context, options ReadOptions) error {
}
}()
}
- funcDone := make(chan bool)
- copy := true
- go func() {
- select {
- case <-funcDone:
- // Do nothing
- case <-ctx.Done():
- copy = false
- t.Kill(errors.New("hangup by client"))
- }
- }()
- for line := range t.Lines {
+ var line *tail.Line
+ var ok bool
+ for {
select {
case <-ctx.Done():
// the consumer has cancelled
+ t.Kill(errors.New("hangup by client"))
return nil
- default:
+ case line, ok = <-t.Lines:
+ if !ok {
+ // channel was closed
+ return nil
+ }
// fallthrough
}
@@ -138,12 +134,10 @@ func (e EventLogFile) Read(ctx context.Context, options ReadOptions) error {
default:
return fmt.Errorf("event type %s is not valid in %s", event.Type.String(), e.options.LogFilePath)
}
- if copy && applyFilters(event, filterMap) {
+ if applyFilters(event, filterMap) {
options.EventChannel <- event
}
}
- funcDone <- true
- return nil
}
// String returns a string representation of the logger