in_kubernetes_events: set default timestamp_key to $lastTimestamp

Signed-off-by: ryanohnemus <[email protected]>

Author: ryanohnemus

plugins/in_kubernetes_events/kubernetes_events.c

@@ -892,7 +892,7 @@ static struct flb_config_map config_map[] = {
     {
        FLB_CONFIG_MAP_STR, "timestamp_key", K8S_EVENTS_RA_TIMESTAMP,
        0, FLB_TRUE, offsetof(struct k8s_events, timestamp_key),
-       "Record accessor for the timestamp from the event. Default is $metadata['creationTimestamp']."
+       "Record accessor for the timestamp from the event. Default is $lastTimestamp."
     },
 
 #ifdef FLB_HAVE_SQLDB

plugins/in_kubernetes_events/kubernetes_events_conf.h

@@ -38,7 +38,7 @@
 #define K8S_EVENTS_KUBE_TOKEN          "/var/run/secrets/kubernetes.io/serviceaccount/token"
 #define K8S_EVENTS_KUBE_CA             "/var/run/secrets/kubernetes.io/serviceaccount/ca.crt"
 
-#define K8S_EVENTS_RA_TIMESTAMP        "$metadata['creationTimestamp']"
+#define K8S_EVENTS_RA_TIMESTAMP        "$lastTimestamp"
 #define K8S_EVENTS_RA_RESOURCE_VERSION "$metadata['resourceVersion']"
 
 struct k8s_events *k8s_events_conf_create(struct flb_input_instance *ins);