Emit structured JSON logs while keeping Elasticsearch - #308
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Both logger packages built their own Serilog pipeline and only one could win, so nothing structured ever reached stdout. One pipeline with both sinks, and the ingress X-Request-ID becomes the request id.
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📝 SummarySummary
Risk: Security-sensitive areas
Test coverage
Operational concerns
WalkthroughThe web project adds a configurable Serilog pipeline with optional Elasticsearch output, propagates edge request IDs into HTTP trace identifiers, and replaces the previous Elasticsearch logger package and host integration. ChangesLogging and request observability
Priority: ⬇️ Low Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Suggested labels: Suggested reviewers: Merge Risk: 🟠 High · up to This change reworks how the service logs and correlates requests. As written, log shipping to Elasticsearch can trust any server certificate when no CA is configured, exposing the log credentials and log contents to interception; log retention cleanup will not actually apply, so storage can grow without bound; and buffered log events may be lost when the service shuts down. These should be addressed before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 11.11% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 9 functions across 4 files. (1 skipped: 1 unsupported.) Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out. Comment |
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Actionable comments posted: 4
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Inline comments:
In `@SW.Bitween.Web/BitweenLogging.cs`:
- Around line 115-122: Update the Elasticsearch transport configuration around
Authentication and ServerCertificateValidationCallback to reject non-HTTPS
endpoints and avoid installing an accept-all certificate callback when
ElasticsearchCertificatePath is unset. Preserve platform certificate validation
by only configuring CertificateValidations.AuthorityIsRoot when a custom
certificate path is provided, while retaining BasicAuthentication for
authenticated HTTPS connections.
- Around line 147-150: Update the sink initialization around
client.Indices.UpdateSettings so the lifecycle policy is configured on a
matching composable index template for the logs data stream, using the
.ds-logs-{ApplicationName}-{Environment}-* backing-index pattern and
options.PolicyName. Apply or create this template before the data stream
bootstraps, while preserving the existing application-specific naming behavior.
- Line 127: Update the host configuration around AddSerilog and
logger.CreateLogger() so the Serilog logger is explicitly disposed during host
shutdown, preserving buffered Elasticsearch events. Use the existing
host/service lifecycle disposal mechanism and ensure ownership is handled
without changing unrelated logging configuration.
In `@SW.Bitween.Web/EdgeRequestIdHttpContextFactory.cs`:
- Around line 33-34: Update the edge request ID selection in
EdgeRequestIdHttpContextFactory to choose the first header value that is not
null, empty, or whitespace, and only assign that value to
context.TraceIdentifier. Preserve ASP.NET’s generated identifier when no valid
request identifier exists.
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📒 Files selected for processing (5)
SW.Bitween.Web/BitweenLogging.csSW.Bitween.Web/EdgeRequestIdHttpContextFactory.csSW.Bitween.Web/Program.csSW.Bitween.Web/SW.Bitween.Web.csprojSW.Bitween.Web/Startup.cs
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🔇 Additional comments (1)
SW.Bitween.Web/EdgeRequestIdHttpContextFactory.cs (1)
33-34: 🔒 Security & Privacy | 🛡️ Analyzed with Security ReviewConfigure the trusted gateway to overwrite
X-Request-IDbefore forwarding.
EdgeRequestIdHttpContextFactorycopies any non-empty client header directly toHttpContext.TraceIdentifier. The chart defines no header rewrite. The parent gateway configuration must show that it removes or replaces client values; otherwise clients can spoof request IDs and corrupt log attribution.
Never install an accept-all certificate callback, take ownership of the logger so buffered events flush, and ignore blank X-Request-ID values.
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Thanks — 3 of 4 fixed in 857d400, the 4th is real but deferred with reasoning. 1. Accept-all certificate callback (Critical) — fixed. Valid; I did not add the "reject non-HTTPS URLs" half. Cluster-internal 2. Serilog not disposed (Major) — fixed. 3. Blank 4. ILM policy not attached (Major) — confirmed, deferred. Correct, and verified against a real ES 8.18.2: Not fixing it here: this is unchanged behaviour from the package this PR replaces, so it's not a regression, and attaching it means owning template |
ElasticsearchDeleteIndexAfterDays created a policy and attached it to nothing, so logs were kept forever. Write it onto the data stream's own index template and sweep the indices already on disk, so both a new and an existing deployment can set a retention period.
2 participants
Moves Bitween to structured JSON (CLEF) logging on stdout so Loki/Grafana can filter by field, without dropping Elasticsearch.
Why it was broken:
SimplyWorks.Logger.ElasticSearchandSimplyWorks.Logger.Consoleeach build their own Serilog pipeline and only one survives — the ES package callsUseSerilog(..., writeToProviders: false), which discarded the console provider, and its own console sink is hardcoded to plain text. Bitween was emitting 0 JSON lines out of 252.Fix: one pipeline with both sinks (
BitweenLogging.cs). Config is unchanged — sameSwLogger__*env vars the Helm chart already sets, so Elasticsearch stays gated onElasticsearchUrl+ElasticsearchEnvironments(unset = stdout only, which is how dev opts out).Also adopts the ingress
X-Request-IDas the request id so ingress logs join to app logs. This has to happen in anIHttpContextFactory, not middleware: ASP.NET opens the log scope that capturesRequestIdbefore the pipeline runs, so a middleware assignment lands too late.Verified locally against a real Elasticsearch 8.18.2:
X-Request-IDpropagates to every line; falls back to ASP.NET's id when absent475 unit tests pass. The 4
BusProviderSupervisorTestsfailures are pre-existing — verified identical on a clean tree (that suite doesn't referenceSW.Bitween.Web).