vector/sinks/elasticsearch/
request_builder.rs

1use bytes::Bytes;
2use vector_lib::EstimatedJsonEncodedSizeOf;
3use vector_lib::{json_size::JsonSize, request_metadata::RequestMetadata};
4
5use crate::{
6    event::{EventFinalizers, Finalizable},
7    sinks::{
8        elasticsearch::{
9            encoder::{ElasticsearchEncoder, ProcessedEvent},
10            service::ElasticsearchRequest,
11        },
12        util::{
13            metadata::RequestMetadataBuilder, request_builder::EncodeResult, Compression,
14            RequestBuilder,
15        },
16    },
17};
18
19#[derive(Debug, Clone)]
20pub struct ElasticsearchRequestBuilder {
21    pub compression: Compression,
22    pub encoder: ElasticsearchEncoder,
23}
24
25pub struct Metadata {
26    finalizers: EventFinalizers,
27    batch_size: usize,
28    events_byte_size: JsonSize,
29    original_events: Vec<ProcessedEvent>,
30}
31
32impl RequestBuilder<Vec<ProcessedEvent>> for ElasticsearchRequestBuilder {
33    type Metadata = Metadata;
34    type Events = Vec<ProcessedEvent>;
35    type Encoder = ElasticsearchEncoder;
36    type Payload = Bytes;
37    type Request = ElasticsearchRequest;
38    type Error = std::io::Error;
39
40    fn compression(&self) -> Compression {
41        self.compression
42    }
43
44    fn encoder(&self) -> &Self::Encoder {
45        &self.encoder
46    }
47
48    fn split_input(
49        &self,
50        mut events: Vec<ProcessedEvent>,
51    ) -> (Self::Metadata, RequestMetadataBuilder, Self::Events) {
52        let events_byte_size = events
53            .iter()
54            .map(|x| x.log.estimated_json_encoded_size_of())
55            .reduce(|a, b| a + b)
56            .unwrap_or(JsonSize::zero());
57
58        let metadata_builder = RequestMetadataBuilder::from_events(&events);
59
60        let es_metadata = Metadata {
61            finalizers: events.take_finalizers(),
62            batch_size: events.len(),
63            events_byte_size,
64            original_events: events.clone(),
65        };
66        (es_metadata, metadata_builder, events)
67    }
68
69    fn build_request(
70        &self,
71        es_metadata: Self::Metadata,
72        metadata: RequestMetadata,
73        payload: EncodeResult<Self::Payload>,
74    ) -> Self::Request {
75        ElasticsearchRequest {
76            payload: payload.into_payload(),
77            finalizers: es_metadata.finalizers,
78            batch_size: es_metadata.batch_size,
79            events_byte_size: es_metadata.events_byte_size,
80            metadata,
81            original_events: es_metadata.original_events,
82            elasticsearch_request_builder: self.clone(),
83        }
84    }
85}