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fleet/ee/server
Scott Gress 684becade8 Allow disabling chart datasets: backend (#44769)
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**Related issue:** For #44077 

# Details

This PR implements enforcement of the "disable dataset" feature.  

When a dataset is disabled globally, we:

* Stop collecting all data for that dataset (the `Collect` method for
that dataset is not called in the cron job)
* Remove all previously-collected data for the dataset via an
asynchronous job

When a dataset is disabled for one or more fleets, we:

* Provide the list of disabled fleets as an argument to each dataset's
`Collect` method. Each dataset is responsible for filtering out hosts in
the most efficient way possible
* Scrub the data for the relevant datasets using a bitmask, so that all
hosts from the disabled fleets are removed from the data. This is done
via an asynchronous job.

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

- [ ] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information.
n/a, unreleased

- [X] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements), JS
inline code is prevented especially for url redirects, and untrusted
data interpolated into shell scripts/commands is validated against shell
metacharacters.
- [X] Timeouts are implemented and retries are limited to avoid infinite
loops

## Testing

- [X] Added/updated automated tests
- [X] Where appropriate, [automated tests simulate multiple hosts and
test for host
isolation](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/reference/patterns-backend.md#unit-testing)
(updates to one hosts's records do not affect another)

- [ ] QA'd all new/changed functionality manually

  ### Prerequisites / Test Setup

- [ ] Fleet running with at least 3 teams (call them T1, T2, T3) and ≥3
hosts in each, plus ≥2 hosts with no team
- [ ] At least one host on each team has reported recent uptime (within
the bucket window)
- [ ] At least one host in each team is affected by a tracked CVE (so
`host_scd_data` for `dataset='cve'` will have non-empty bitmaps)
- [ ] AppConfig: both `features.historical_data.uptime` and
`features.historical_data.vulnerabilities` start as `true`; same for
every team
- [ ] Let the collection cron run at least one full tick to populate
baseline rows in `host_scd_data` for both `uptime` and `cve`
- [ ] Note the current row count per dataset: `SELECT dataset, COUNT(*)
FROM host_scd_data GROUP BY dataset;`

  ---

  ### 1. Cron Skips Globally-Disabled Datasets

  #### 1.1 Global disable of `uptime`

- [x] Disable globally: `PATCH /api/v1/fleet/config` with
`features.historical_data.uptime = false`
- [x] Verify activity feed shows `disabled_historical_dataset` for
`uptime` (existing behavior)
- [x] Wait for next collection tick (or trigger it via fleetctl debug if
available)
  - [x] Confirm **no new rows** appear for `dataset='uptime'`:
`SELECT MAX(valid_from) FROM host_scd_data WHERE dataset='uptime';`
        should not advance after the disable
- [x] Confirm cron still writes `cve` rows on the same tick (per-dataset
isolation)
  - [x] Re-enable: PATCH `historical_data.uptime = true`
  - [x] Verify next tick resumes writing `uptime` rows

  #### 1.2 Global disable of `vulnerabilities`

  - [x] Repeat 1.1 with `features.historical_data.vulnerabilities`
  - [x] Confirm `cve` writes stop, `uptime` continues

  #### 1.3 Both disabled globally

  - [x] Disable both globally
  - [x] Confirm cron tick produces zero new rows for either dataset
  - [x] Confirm cron does not error or get stuck
  - [x] Re-enable both

  ---

  ### 2. Per-Fleet Disable — Cron Filters at SQL

  #### 2.1 Single team disabled for one dataset

  - [x] Disable uptime for T1 only: PATCH team T1 with
        `features.historical_data.uptime = false`
- [x] Verify scoped `disabled_historical_dataset` activity emitted for
T1
  - [x] Wait for next cron tick / trigger cron
- [x] Pick a host known to be in T1 (call it `H_T1`); confirm its bit is
NOT set in any `uptime` row written *after* the disable by filtering the
chart to that host
- [x] Pick a host in T2 (`H_T2`); confirm its bit IS still set in the
same rows (T2 is not disabled)
- [x] Pick a no-team host (`H_none`); confirm its bit IS still set
(no-team hosts follow the global value)

  #### 2.2 Same fleet, different dataset

- [x] With T1's uptime disabled, confirm T1's hosts ARE still written
into `cve` rows on subsequent ticks (per-dataset isolation)

  #### 2.3 All teams disabled, global on, no-team hosts

  - [x] Disable uptime on every team (T1, T2, T3)
- [x] Confirm next tick still writes a row containing only no-team
hosts' bits (global is on, no-team hosts always count)
  - [x] Re-enable uptime on all teams

  ---

  ### 3. Global Scrub — DELETE

  #### 3.1 Successful global scrub

  - [x] Note baseline:
        `SELECT COUNT(*) FROM host_scd_data WHERE dataset='uptime';`
        (should be > 5000 to exercise the loop; if not, manually
        insert filler rows or run multiple cron ticks)
  - [x] Disable uptime globally via the API
  - [x] Wait for the worker to pick up the scrub / trigger the job
  - [x] Confirm the count drops to 0:
        `SELECT COUNT(*) FROM host_scd_data WHERE dataset='uptime';`
  - [x] Confirm rows for **other datasets** are untouched
  - [ ] Test again but disable via GitOps

  ---

  ### 4. Per-Fleet Scrub — ANDNOT

  #### 4.1 Single-fleet scrub clears bits

  - [x] Identify hosts in T1 and record their IDs (call this set `S`)
- [x] Pre-disable, confirm at least one `host_scd_data` row for
`dataset='uptime'` has bits set at positions in `S` by filtering the
chart to those hosts
  - [x] Disable uptime on T1 only, via the API
  - [x] Wait for the scrub to run / trigger it
- [x] Confirm: every existing row for `dataset='uptime'` now has NO bits
set at any position in `S`. Spot-check by filtering the chart to those
hosts
- [x] Confirm rows for `dataset='cve'` (different dataset) are untouched
  - [x] Confirm bits for hosts in T2/T3 (not disabled) are still set
  - [x] Run test again but disable via GitOps

  #### 4.2 Multi-fleet scrub via GitOps batch

- [x] Apply a GitOps spec that flips cve to false on T1 and T3 in a
single apply
  - [x] Wait for scrub(s) to complete
- [x] Confirm bits for the union of T1∪T2 hosts are cleared from every
row of `dataset='cve'`
  - [x] Confirm T2 hosts' bits remain set

  ---

  ### 5. Activity Feed Cross-Check

  - [x] Each global flip emits exactly one `disabled_historical_dataset`
        activity (existing behavior, unchanged)
  - [x] Each per-team flip emits one scoped activity with the team's
        ID and name
  - [x] PATCH submitting unchanged values emits **no** activity and
        causes **no** scrub (no `host_scd_data` data change observed
        after the cron tick)
  - [x] No new "scrub completed" or "scrub started" activity is
        emitted (out of scope for v1)
  - [x] Re-enable flips emit `enabled_historical_dataset` activities
        and do NOT emit any scrub-related activity

  ---

  ### 6. Regression Spot Checks

  - [x] With everything enabled (default), the chart UI renders the
        same data as before this change (no behavior change in the
        "all on" case)
  - [x] AppConfig YAML round-trip (`fleetctl apply`) is benign:
        applying the unchanged config produces no scrub jobs and no
        activities
  - [x] GitOps apply with `historical_data` omitted from team specs
        defaults to `true` (per the gitops-api change) and does not
        trigger spurious scrubs
  - [x] After a full disable+scrub of cve, the `host_scd_data` table
        has no `dataset='cve'` rows; the chart UI for "vulnerable
        hosts over time" shows an empty/zero state without errors

  ---


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

* **New Features**
* Chart collection now supports per-dataset scoping and honors
team-level disables; new scrub jobs are registered and worker handlers
added.
* New dataset scrub operations: global and fleet-scoped scrubs; scrubs
can be enqueued and are deduplicated to avoid duplicate pending jobs.
Historical-data changes enqueue scrubs after save (errors logged,
non-blocking).
* **Tests**
* Added unit tests for scope resolution, scrub enqueue/dedup behavior,
scrub workers, scrub application, and low-level blob scrub logic.
* **Documentation**
  * Added OpenSpec metadata for the chart scrub change.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-05-07 08:52:35 -05:00
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