vector/internal_events/
metric_to_log.rs

1use metrics::counter;
2use serde_json::Error;
3use vector_lib::internal_event::InternalEvent;
4use vector_lib::internal_event::{error_stage, error_type, ComponentEventsDropped, UNINTENTIONAL};
5
6#[derive(Debug)]
7pub struct MetricToLogSerializeError {
8    pub error: Error,
9}
10
11impl InternalEvent for MetricToLogSerializeError {
12    fn emit(self) {
13        let reason = "Metric failed to serialize as JSON.";
14        error!(
15            message = reason,
16            error = ?self.error,
17            error_type = error_type::ENCODER_FAILED,
18            stage = error_stage::PROCESSING,
19            internal_log_rate_limit = true
20        );
21        counter!(
22            "component_errors_total",
23            "error_type" => error_type::ENCODER_FAILED,
24            "stage" => error_stage::PROCESSING,
25        )
26        .increment(1);
27
28        emit!(ComponentEventsDropped::<UNINTENTIONAL> { count: 1, reason })
29    }
30}