journald event logging

add the ability for podman to read and write events to journald instead
of just a logfile.  This can be controlled in libpod.conf with the
`events_logger` attribute of `journald` or `file`.  The default will be
set to `journald`.

Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/libpod/events/events_linux.go b/libpod/events/events_linux.go
new file mode 100644
index 000000000..d6898145c
--- /dev/null
+++ b/libpod/events/events_linux.go
@@ -0,0 +1,20 @@
+package events
+
+import (
+	"github.com/pkg/errors"
+	"strings"
+)
+
+// NewEventer creates an eventer based on the eventer type
+func NewEventer(options EventerOptions) (Eventer, error) {
+	var eventer Eventer
+	switch strings.ToUpper(options.EventerType) {
+	case strings.ToUpper(Journald.String()):
+		eventer = EventJournalD{options}
+	case strings.ToUpper(LogFile.String()):
+		eventer = EventLogFile{options}
+	default:
+		return eventer, errors.Errorf("unknown event logger type: %s", strings.ToUpper(options.EventerType))
+	}
+	return eventer, nil
+}