vector/internal_events/
metric_to_log.rs

1use metrics::counter;
2use serde_json::Error;
3use vector_lib::NamedInternalEvent;
4use vector_lib::internal_event::{
5    ComponentEventsDropped, InternalEvent, UNINTENTIONAL, error_stage, error_type,
6};
7
8#[derive(Debug, NamedInternalEvent)]
9pub struct MetricToLogSerializeError {
10    pub error: Error,
11}
12
13impl InternalEvent for MetricToLogSerializeError {
14    fn emit(self) {
15        let reason = "Metric failed to serialize as JSON.";
16        error!(
17            message = reason,
18            error = ?self.error,
19            error_type = error_type::ENCODER_FAILED,
20            stage = error_stage::PROCESSING
21        );
22        counter!(
23            "component_errors_total",
24            "error_type" => error_type::ENCODER_FAILED,
25            "stage" => error_stage::PROCESSING,
26        )
27        .increment(1);
28
29        emit!(ComponentEventsDropped::<UNINTENTIONAL> { count: 1, reason })
30    }
31}