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Extract osquery logging initialization out of runServeCmd - #46893

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MagnusHJensen merged 1 commit into
fleetdm:mainfrom
raju249:33370-osquery-logging-extraction
Jun 8, 2026
Merged

Extract osquery logging initialization out of runServeCmd#46893
MagnusHJensen merged 1 commit into
fleetdm:mainfrom
raju249:33370-osquery-logging-extraction

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@raju249

@raju249 raju249 commented Jun 5, 2026

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Extracts the osquery status, result, and audit JSON logger setup out of runServeCmd and into a new cmd/fleet/logging.go. Same pattern as the prior extractions on this issue (#44929, #45343, #45583, #46166, #46421, #46517, #46742, #46830). Continues trimming runServeCmd toward the serve.go coverage goal on #33370 — this is the largest single slice so far (~100 lines out).

Three functions come out of the inline block:

  • initOsqueryLogging — builds the status and result loggers, plus the audit logger when enabled. Mutates the shared logging.Config per logger in the same sequence as before, so the constructed loggers are identical.
  • buildLoggingConfig — maps config.FleetConfig into the common logging.Config shared by all three loggers.
  • shouldEnableAuditLog — the premium-and-enabled gate for the audit logger, pulled out so the decision is its own testable unit.

Behavior is preserved — runServeCmd calls this in the same place with the same arguments, the per-logger config mutation order is unchanged, and the full cmd/fleet suite passes against MySQL + Redis. initOsqueryLogging returns early after initFatal so it's safe when the caller's initFatal doesn't terminate (the case in tests), and it guards a nil license up front since the audit gate dereferences it (matching the nil-guard precedent from #46742/#46830).

On test scope: TestShouldEnableAuditLog covers all four combinations of license tier and the config flag — audit logging is a premium feature, so the gate is the meaningful decision here. TestBuildLoggingConfigMapsConfig is a light check that the config mapping is wired through. I didn't add a full initOsqueryLogging happy-path unit test: logging.NewJSONLogger constructs real log sinks, so that path is exercised by booting the server rather than by standing up logger backends in a unit test.

Related issue: Refs #33370

Checklist for submitter

  • Added/updated automated tests
  • Changes file: not applicable — internal refactor with no user-visible behavior change

Summary by CodeRabbit

  • New Features

    • Audit logging support is now available for premium license holders.
  • Refactor

    • Improved logging initialization and configuration management.
  • Tests

    • Added test coverage for audit logging enablement and configuration mapping.

Move the status, result, and audit JSON logger setup into a new
cmd/fleet/logging.go. buildLoggingConfig maps the shared logging.Config;
shouldEnableAuditLog encodes the premium-and-enabled gate so the
audit-log decision is unit-testable. Guard a nil license up front, as
the audit gate dereferences it.

Refs fleetdm#33370
@raju249
raju249 requested a review from a team as a code owner June 5, 2026 13:06

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Review Change Stack

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
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Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: b1173248-9083-4a88-b063-c9e3a43b9006

📥 Commits

Reviewing files that changed from the base of the PR and between 6d8ec7a and 460d72b.

📒 Files selected for processing (3)
  • cmd/fleet/logging.go
  • cmd/fleet/logging_test.go
  • cmd/fleet/serve.go

Walkthrough

This PR refactors osqueryd logging initialization from inline code in cmd/fleet/serve.go into three reusable helper functions in a new cmd/fleet/logging.go file. buildLoggingConfig translates Fleet configuration into a shared logging template with filesystem rotation and streaming backends. shouldEnableAuditLog gates audit logging by license tier and configuration flag. initOsqueryLogging orchestrates construction of status, result, and optional audit loggers by mutating the shared config with per-stream settings. Tests validate the gating logic and configuration mapping, and serve.go is updated to call the new helper and validate logger initialization.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 66.67% which is insufficient. The required threshold is 80.00%. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly and concisely describes the main change: extracting osquery logging initialization from runServeCmd into a separate module.
Description check ✅ Passed The description is comprehensive and addresses the template requirements: it explains the rationale, details the three extracted functions, confirms behavior preservation, documents test coverage, and clarifies that no changes file is needed for this internal refactor.
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.

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@raju249

raju249 commented Jun 5, 2026

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Hello @MagnusHJensen - This is another refactor for logging related code. Mind taking a look, please?

Thanks!

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codecov Bot commented Jun 5, 2026

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Codecov Report

❌ Patch coverage is 50.46729% with 53 lines in your changes missing coverage. Please review.
✅ Project coverage is 67.03%. Comparing base (8bda076) to head (460d72b).
⚠️ Report is 83 commits behind head on main.

Files with missing lines Patch % Lines
cmd/fleet/logging.go 52.42% 49 Missing ⚠️
cmd/fleet/serve.go 0.00% 4 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main   #46893      +/-   ##
==========================================
+ Coverage   67.01%   67.03%   +0.02%     
==========================================
  Files        2858     2859       +1     
  Lines      224614   224670      +56     
  Branches    11554    11554              
==========================================
+ Hits       150526   150615      +89     
+ Misses      60440    60405      -35     
- Partials    13648    13650       +2     
Flag Coverage Δ
backend 68.74% <50.46%> (+0.02%) ⬆️

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@MagnusHJensen MagnusHJensen left a comment

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Thanks @raju249

@MagnusHJensen
MagnusHJensen merged commit 836695a into fleetdm:main Jun 8, 2026
36 checks passed
MagnusHJensen pushed a commit that referenced this pull request Jun 9, 2026
)

Extracts the geoIP provider and mail service setup out of `runServeCmd`
and into new `cmd/fleet/geoip.go` and `cmd/fleet/mail.go`. Same pattern
as the prior extractions on this issue (#44929, #45343, #45583, #46166,
#46421, #46517, #46742, #46830, #46893). Both are best-effort startup
providers — they log and fall back rather than aborting boot — so they
group naturally.

Functions:

- `initGeoIP` — returns the GeoIP provider. When no database path is
configured, or the MaxMind database fails to load, it returns a no-op
provider and logs rather than aborting startup.
- `initMailService` — configures the mail service; a construction
failure is logged and the (possibly nil) service is returned, matching
the prior best-effort behavior.
- `shouldForceSMTPBackend` — the SMTP-vs-custom-backend rule, pulled out
so the decision is its own testable unit: SMTP and a custom email
backend are mutually exclusive, and an already-enabled SMTP
configuration wins.

Behavior is preserved — `runServeCmd` calls these in the same place with
the same arguments, and the full `cmd/fleet` suite passes against MySQL
+ Redis. The mail block's `config.Email.EmailBackend` reset is local to
mail construction (nothing downstream reads it), so moving it into
`initMailService` is behavior-identical.

On test scope: `TestInitGeoIP` pins the not-fatal fallback for both the
missing-path and invalid-path cases — GeoIP being best-effort is a real
guarantee worth locking. `TestShouldForceSMTPBackend` covers the backend
mutual-exclusion decision, including the nil app config / nil SMTP
settings edges. I didn't add a full `initMailService` happy-path unit
test: `mail.NewService` builds real SMTP/SES backends, so that path is
exercised by booting the server.

**Related issue:** Refs #33370

# Checklist for submitter

- [x] Added/updated automated tests
- Changes file: not applicable — internal refactor with no user-visible
behavior change

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

## Release Notes

* **Refactor**
* Improved GeoIP initialization with automatic fallback when database
configuration is unavailable
* Enhanced mail service initialization with better error handling during
startup
  * Refined SMTP backend precedence logic

* **Tests**
* Added comprehensive unit tests for GeoIP and mail service
initialization scenarios

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
MagnusHJensen pushed a commit that referenced this pull request Jun 17, 2026
Extracts the cron schedule registration out of `runServeCmd` and into a
new `cmd/fleet/cron_registration.go`. Same pattern as the prior
extractions on this issue (#44929, #45343, #45583, #46166, #46421,
#46517, #46742, #46830, #46893, #47151). This is the largest slice so
far — `runServeCmd` drops from ~1300 to ~1000 lines, and `serve.go` from
1776 to 1472.

The 33 `StartCronSchedule` registrations move into one
`startCronSchedules` entry point backed by a `cronSchedulesDeps` struct
(the dependencies the closures previously captured from `runServeCmd`).
Registration is grouped by domain:

- `registerCleanupAndMaintenanceCrons` — chart data collection, the
`cron_stats` cleanup goroutine, software migrations, frequent cleanups,
cleanups-then-aggregation, query results cleanup, upcoming activities,
usage statistics, batch activities.
- `registerVulnerabilityCrons` — the vulnerabilities schedule, or the
remote-trigger proxy when processing is disabled on this instance.
- `registerWorkerCrons` — automations and worker integrations.
- `registerMDMCrons` — Apple MDM worker, DEP profile assigner, service
discovery, the Apple/Windows/Android profile managers, the Android
device reconciler, the Android policy migrations, and the APNs pusher.
- `registerPremiumCrons` — iPhone/iPad refetcher and reviver, maintained
apps, VPP app version refresh (and the one-shot VPP country backfill),
recovery lock passwords, managed local account rotation, activities
streaming, and the calendar schedule.
- `registerMiscCrons` — host vitals label membership and the batch
activity completion checker.

Behavior is preserved — the schedules register in the same order with
the same arguments, the same conditionals gate them (premium, audit log,
env vars, software store presence), and the `config` is threaded as a
pointer so the `&config` and `config.Calendar` mutations inside the
calendar closure keep their original semantics. `cmd/fleet/cron.go` (the
schedule definitions) is intentionally untouched; only the wiring moved.

One unit test added: `TestVulnerabilityProcessingDisabled` covers the
vuln enable/disable predicate extracted into
`vulnerabilityProcessingDisabled`, including the legacy
`current_instance_checks` `"0"` value. The rest of the file is
dependency-wiring relocation with no further decision logic to unit-test
— those paths construct real schedules, so they stay covered by the
existing suite and integration tests. The full `cmd/fleet` suite passes
against MySQL + Redis, and a local server boot confirms the same 30 cron
schedules start as before (verified against the "started cron schedules"
log line).

**Related issue:** Refs #33370

# Checklist for submitter

- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually (verified via local
server boot — same 30 cron schedules start)
- Changes file: not applicable — internal refactor with no user-visible
behavior change


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Refactor**
* Centralized background cron schedule startup and standardized job
initialization sequencing for maintenance, vulnerability handling,
integrations, MDM workflows, and premium tasks.
* **New Features / Behavior**
* Added config- and license-controlled enablement for vulnerability
processing (local vs remote triggering), MDM automation (including APNs
delivery and device reconciliation), and premium-only refresh/recovery
behaviors.
* Made chart data collection and optional activity streaming
configurable, with safe fallbacks for scheduling periodicity.
* **Tests**
* Added coverage for vulnerability-schedule enable/disable decision
logic.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
JordanMontgomery pushed a commit that referenced this pull request Jun 24, 2026
Extracts the `/api/` request timeout/body-size override middleware out
of `runServeCmd` and into `apiTimeoutOverrideHandler` in a new
`cmd/fleet/http_middleware.go`. Same pattern as the prior extractions on
this issue (#44929, #45343, #45583, #46166, #46421, #46517, #46742,
#46830, #46893, #47151, #47562). `runServeCmd` drops from ~1000 to ~900
lines, and `serve.go` from 1475 to 1373.

The middleware is the `~100`-line `rootMux.HandleFunc("/api/", ...)`
closure that applies per-route read/write deadline overrides for
endpoints that legitimately run long — synchronous script runs, large
software-installer and bootstrap-package uploads, the Android enterprise
signup SSE stream, and large MDM profile batch operations — and, for
package-upload routes, caps the request body and threads the configured
max installer size through the request context.

Behavior is preserved — the handler is moved verbatim and wired into
`rootMux` via a single `apiTimeoutOverrideHandler(apiHandler, config,
logger)` call, so the same routes get the same overrides and every
request still falls through to `apiHandler.ServeHTTP`. The now-unused
`scripts` and `installersize` imports drop out of `serve.go`.

On test scope: `TestAPITimeoutOverrideHandler` verifies the real
decision in this middleware — that package-upload paths thread the
configured max installer size into the request context (and non-upload
requests keep the default) — and that the wrapped API handler is always
invoked. The deadline overrides themselves go through
`http.ResponseController`, which a unit-test `ResponseRecorder` doesn't
support (the handler logs and proceeds, as in production), so those are
exercised by booting the server rather than asserted in a unit test.

**Related issue:** Refs #33370

# Checklist for submitter

- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually (verified via local
server boot)
- Changes file: not applicable — internal refactor with no user-visible
behavior change

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Refactor**
* Improved timeout handling for long-running operations across the API.
Script execution, file uploads, Server-Sent Event streams, and batch
operations now have optimized request timeouts and body size limits.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
juan-fdz-hawa pushed a commit that referenced this pull request Jun 30, 2026
)

Adds an end-to-end boot test for `runServeCmd`, the main server entry
point. This is the coverage milestone for #33370: `serve.go` goes from
~7% to ~64%, and `runServeCmd` itself from 0% to ~62%.

The earlier PRs on this issue (#44929, #45343, #45583, #46166, #46421,
#46517, #46742, #46830, #46893, #47151, #47562, #47891) extracted
testable pieces out of `runServeCmd`, but the function itself stayed at
0% — it blocks on an OS signal and wires the entire server together, so
the only way to cover it is to actually boot it. This PR does that.

`TestRunServeCmd` (gated behind `MYSQL_TEST` + `REDIS_TEST`) boots the
full server against a real migrated test MySQL and Redis, waits for
`/healthz`, then cancels the command context to trigger a graceful
shutdown. It covers two paths:

- **Full boot with Apple MDM enabled** — a 32-byte server private key
brings up the Apple MDM protocol services and the host-identity /
conditional-access SCEP setup, so the boot exercises the MDM startup
path as well as the core wiring, cron schedules, and HTTP server.
- **Fail-fast on bad config** — an invalid Redis host-cache
configuration (enabled with a non-positive TTL) aborts startup through
`initFatal` and returns rather than serving, covering the Redis-init
error path and the nil-pool guard.

Beyond coverage, this doubles as a regression net for the ongoing
`runServeCmd` slicing: a future change that breaks startup now fails
this test instead of reaching a release.

**One production change**, in `runServeCmd`'s shutdown `select`: it now
also watches `cmd.Context().Done()`. This is inert in production — the
root command runs via `Execute()` (not `ExecuteContext()`), so
`cmd.Context()` is `context.Background()` and never cancels. Only the
test runs the command with a cancelable context, which is how it shuts
the server down without sending a real signal (a `SIGTERM` would kill
the test binary).

A couple of notes for reviewers:
- The test uses `os.Setenv` (not `t.Setenv`) because the MySQL test
helper marks the test parallel; the boot scenarios run as serial
subtests so the process-global config env doesn't race.
- `runServeCmd` registers metrics with the process-global Prometheus
registry, which can only happen once per process, so there is a single
full boot here; the error-path scenario fails before that registration.
- The test DB is loaded from a schema dump that doesn't mark every data
migration as applied, so the boot runs with
`FLEET_UPGRADES_ALLOW_MISSING_MIGRATIONS=1`.

It adds ~2s to the `cmd/fleet` (`main`) test bundle, which is well off
the CI critical path.

**Related issue:** Refs #33370

# Checklist for submitter

- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually (verified locally:
boots to /healthz, graceful shutdown, ~64% serve.go coverage)
- Changes file: not applicable — internal test coverage with no
user-visible behavior change

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Bug Fixes**
* Improved server shutdown handling to stop cleanly when the running
command’s context is canceled, not only on OS signals.
* Added stronger startup validation to fail fast for invalid Redis
host-cache configuration (e.g., non-positive TTL).
* **Tests**
* Added an end-to-end test that boots the server against real
MySQL/Redis, verifies graceful startup/shutdown, and confirms fast-fail
behavior for misconfiguration.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
@coderabbitai coderabbitai Bot mentioned this pull request Jun 30, 2026
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