Add OpenTelemetry distributed tracing support - #1234

Merged

lovasoa merged 44 commits into

mainfrom

Mar 14, 2026

Commits on Mar 8, 2026

add OpenTelemetry distributed tracing support

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482e11e
fix OTel example: tracing init, Dockerfile, Tempo config

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f3a9ee2
propagate trace context to PostgreSQL via application_name

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c742abe
rewrite OTel example README with setup guides for all major providers

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2bb370a
fix todo example: use :title (POST variable) instead of $title

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9a879e5
set code.filepath and code.lineno span attributes to user SQL files

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ec9f3f9
npm run fix
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0aebd0c
use stable OTel semantic convention attribute names

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712fb14
use OTel semantic convention values for db.system.name

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85dd9b8
remove json-subscriber dependency

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dafbac2
add Loki + Promtail log aggregation to OTel example

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2a8a89a
add OTel spans for request parsing, rendering, sqlpage functions, and OIDC

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d492ccc
add oidc.jwt.verify span for OIDC token verification

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cb7bdf6
add enduser.id attribute to oidc.jwt.verify span

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0eeb5c3
add OTel user.* attributes to oidc.jwt.verify span

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fab9350
add sqlpage.file.load span and attributes to http.parse_request

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ff8800e
Fix clippy pedantic warnings
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f8fdc24
unify log format: logfmt with colors, no OTel noise

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3b0c37c
use .instrument() instead of .entered() for async spans

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1309725
preserve multi-line error formatting in terminal log output

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f884eab
use root Dockerfile for OTel example, add CARGO_PROFILE build arg

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5bfaa08

Commits on Mar 9, 2026

add db.query.parameter and db.response.returned_rows span attributes

lovasoa
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3aaf82e
Add official blog post about tracing
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4c88b1e
add http.request.body.size and url.query span attributes

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bf7a863
Replace Promtail with the OpenTelemetry Collector
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10dec87
Refactor telemetry logging helpers
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7e057e2
Clamp traced fetch body size
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7e156c5
Clamp traced fetch_with_meta body size
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36aa465
Silence noisy PostgreSQL collector logs
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e02ed67
make startup logs parseable
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d285c57
update terminal log formats
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0deb650
Ingest real PostgreSQL logs with trace IDs
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8f7aeea
Use raw traceparent for PostgreSQL tracing
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2ee9aa2
Update opentelemetry example for PostgreSQL query events
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80da041
Add nginx logs to opentelemetry example
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0a4920f
Parse nginx error log severity correctly
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a262215
Log all span fields when debug logging is enabled
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5704715
Rename telemetry example directory
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ec43feb

Commits on Mar 10, 2026

Fix PostgreSQL Loki log ingestion
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322f675

Commits on Mar 12, 2026

Commits on Mar 13, 2026

add healthcheck
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95eed97