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feat(new sink): Adding greptimedb metrics sink (vectordotdev#17198)
This patch adds [greptimedb](https://github.com/greptimeteam/greptimedb) sink. For now, we use greptimedb's git repository for adding its client. We will eventually split it from repo and publish it to crates.io, I hope this is not a road blocker at the moment. TODOs: - [x] website docs - [x] spellcheck cleanup - [x] integration test verification --------- Co-authored-by: Doug Smith <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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@@ -296,6 +296,9 @@ gpg | |
| gql | ||
| grafana | ||
| graphiql | ||
| greptime | ||
| greptimecloud | ||
| greptimedb | ||
| gvisor | ||
| gws | ||
| hadoop | ||
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@@ -224,6 +224,8 @@ graphql-parser,https://github.com/graphql-rust/graphql-parser,MIT OR Apache-2.0, | |
| graphql_client,https://github.com/graphql-rust/graphql-client,Apache-2.0 OR MIT,Tom Houlé <[email protected]> | ||
| graphql_client_codegen,https://github.com/graphql-rust/graphql-client,Apache-2.0 OR MIT,Tom Houlé <[email protected]> | ||
| graphql_query_derive,https://github.com/graphql-rust/graphql-client,Apache-2.0 OR MIT,Tom Houlé <[email protected]> | ||
| greptime-proto,https://github.com/GreptimeTeam/greptime-proto,Apache-2.0,The greptime-proto Authors | ||
| greptimedb-client,https://github.com/GreptimeTeam/greptimedb-client-rust,Apache-2.0,The greptimedb-client Authors | ||
| grok,https://github.com/daschl/grok,Apache-2.0,Michael Nitschinger <[email protected]> | ||
| h2,https://github.com/hyperium/h2,MIT,"Carl Lerche <[email protected]>, Sean McArthur <[email protected]>" | ||
| hash_hasher,https://github.com/Fraser999/Hash-Hasher,Apache-2.0 OR MIT,Fraser Hutchison <[email protected]> | ||
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| @@ -0,0 +1,8 @@ | ||
| version: '3' | ||
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| services: | ||
| greptimedb: | ||
| image: docker.io/greptime/greptimedb:${CONFIG_VERSION} | ||
| command: "standalone start --http-addr=0.0.0.0:4000 --rpc-addr=0.0.0.0:4001" | ||
| healthcheck: | ||
| test: "curl -f localhost:4000/health || exit 1" |
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| features: | ||
| - greptimedb-integration-tests | ||
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| test_filter: '::greptimedb::' | ||
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| runner: | ||
| env: | ||
| GREPTIMEDB_ENDPOINT: greptimedb:4001 | ||
| GREPTIMEDB_HTTP: http://greptimedb:4000 | ||
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| matrix: | ||
| version: ['latest'] |
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| use vector_core::{ | ||
| event::{Metric, MetricValue}, | ||
| stream::batcher::limiter::ItemBatchSize, | ||
| }; | ||
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| use super::request_builder::{ | ||
| DISTRIBUTION_QUANTILES, DISTRIBUTION_STAT_FIELD_COUNT, SUMMARY_STAT_FIELD_COUNT, | ||
| }; | ||
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| const F64_BYTE_SIZE: usize = 8; | ||
| const I64_BYTE_SIZE: usize = 8; | ||
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| #[derive(Default)] | ||
| pub(super) struct GreptimeDBBatchSizer; | ||
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| impl GreptimeDBBatchSizer { | ||
| pub(super) fn estimated_size_of(&self, item: &Metric) -> usize { | ||
| // Metric name. | ||
| item.series().name().name().len() | ||
| // Metric namespace, with an additional 1 to account for the namespace separator. | ||
| + item.series().name().namespace().map(|s| s.len() + 1).unwrap_or(0) | ||
| // Metric tags, with an additional 1 per tag to account for the tag key/value separator. | ||
| + item.series().tags().map(|t| { | ||
| t.iter_all().map(|(k, v)| { | ||
| k.len() + 1 + v.map(|v| v.len()).unwrap_or(0) | ||
| }) | ||
| .sum() | ||
| }) | ||
| .unwrap_or(0) | ||
| // timestamp | ||
| + I64_BYTE_SIZE | ||
| + | ||
| // value size | ||
| match item.value() { | ||
| MetricValue::Counter { .. } | MetricValue::Gauge { .. } | MetricValue::Set { ..} => F64_BYTE_SIZE, | ||
| MetricValue::Distribution { .. } => F64_BYTE_SIZE * (DISTRIBUTION_QUANTILES.len() + DISTRIBUTION_STAT_FIELD_COUNT), | ||
| MetricValue::AggregatedHistogram { buckets, .. } => F64_BYTE_SIZE * (buckets.len() + SUMMARY_STAT_FIELD_COUNT), | ||
| MetricValue::AggregatedSummary { quantiles, .. } => F64_BYTE_SIZE * (quantiles.len() + SUMMARY_STAT_FIELD_COUNT), | ||
| MetricValue::Sketch { .. } => F64_BYTE_SIZE * (DISTRIBUTION_QUANTILES.len() + DISTRIBUTION_STAT_FIELD_COUNT), | ||
| } | ||
| } | ||
| } | ||
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| impl ItemBatchSize<Metric> for GreptimeDBBatchSizer { | ||
| fn size(&self, item: &Metric) -> usize { | ||
| self.estimated_size_of(item) | ||
| } | ||
| } |
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| use chrono::{DateTime, Duration, Utc}; | ||
| use futures::stream; | ||
| use vector_core::event::{Event, Metric, MetricKind, MetricValue}; | ||
| use vector_core::metric_tags; | ||
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| use crate::sinks::util::test::load_sink; | ||
| use crate::{ | ||
| config::{SinkConfig, SinkContext}, | ||
| test_util::{ | ||
| components::{run_and_assert_sink_compliance, SINK_TAGS}, | ||
| trace_init, | ||
| }, | ||
| }; | ||
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| use super::GreptimeDBConfig; | ||
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| #[tokio::test] | ||
| async fn test_greptimedb_sink() { | ||
| trace_init(); | ||
| let cfg = format!( | ||
| r#"endpoint= "{}" | ||
| "#, | ||
| std::env::var("GREPTIMEDB_ENDPOINT").unwrap_or_else(|_| "localhost:4001".to_owned()) | ||
| ); | ||
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| let (config, _) = load_sink::<GreptimeDBConfig>(&cfg).unwrap(); | ||
| let (sink, _hc) = config.build(SinkContext::default()).await.unwrap(); | ||
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| let query_client = query_client(); | ||
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| // Drop the table and data inside | ||
| let _ = query_client | ||
| .get(&format!( | ||
| "{}/v1/sql", | ||
| std::env::var("GREPTIMEDB_HTTP").unwrap_or_else(|_| "http://localhost:4000".to_owned()) | ||
| )) | ||
| .query(&[("sql", "DROP TABLE ns_my_counter")]) | ||
| .send() | ||
| .await | ||
| .unwrap(); | ||
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| let base_time = Utc::now(); | ||
| let events: Vec<_> = (0..10).map(|idx| create_event(idx, base_time)).collect(); | ||
| run_and_assert_sink_compliance(sink, stream::iter(events), &SINK_TAGS).await; | ||
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| let query_response = query_client | ||
| .get(&format!( | ||
| "{}/v1/sql", | ||
| std::env::var("GREPTIMEDB_HTTP").unwrap_or_else(|_| "http://localhost:4000".to_owned()) | ||
| )) | ||
| .query(&[("sql", "SELECT region, val FROM ns_my_counter")]) | ||
| .send() | ||
| .await | ||
| .unwrap() | ||
| .text() | ||
| .await | ||
| .expect("Fetch json from greptimedb failed"); | ||
| let result: serde_json::Value = | ||
| serde_json::from_str(&query_response).expect("Invalid json returned from greptimedb query"); | ||
| assert_eq!( | ||
| result | ||
| .pointer("/output/0/records/rows") | ||
| .and_then(|v| v.as_array()) | ||
| .expect("Error getting greptimedb response array") | ||
| .len(), | ||
| 10 | ||
| ) | ||
| } | ||
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| fn query_client() -> reqwest::Client { | ||
| reqwest::Client::builder().build().unwrap() | ||
| } | ||
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| fn create_event(i: i32, base_time: DateTime<Utc>) -> Event { | ||
| Event::Metric( | ||
| Metric::new( | ||
| "my_counter".to_owned(), | ||
| MetricKind::Incremental, | ||
| MetricValue::Counter { value: i as f64 }, | ||
| ) | ||
| .with_namespace(Some("ns")) | ||
| .with_tags(Some(metric_tags!( | ||
| "region" => "us-west-1", | ||
| "production" => "true", | ||
| ))) | ||
| .with_timestamp(Some(base_time + Duration::seconds(i as i64))), | ||
| ) | ||
| } |
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