kube-scheduler v1.36.6-CE-ubuntu24.04-r2 build trail
How ReadyStack built readystack/kubescheduler:v1.36.6-CE-ubuntu24.04-r2 and its build kit, copied record by record: why the release exists, every chain, drive and stage it went through, the model work, the review rounds, the defects, the checks that verified it and when it was published. Each line names the record it comes from in brackets; a record that does not exist for this release says so.
This trail
As JSON- Image
readystack/kubescheduler:v1.36.6-CE-ubuntu24.04-r2 - Index digestsha256:2507c75b079fa0723518f9de1b9ec3f7853eca61d0b465e45178966e03839146
- linux/amd64 digestsha256:35158b727d4cbf5e2b15c39374ef1942dca98a1b4394ed2812953b443829f39f
- Archive
ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.tar.gz - Archive SHA-256 nowe53d905af900eacd299cb4dce548fcc06d62a8658597b7d331494d316627951c
- Pins record
docs/PINS.md,docs/provenance/PINS.jsonin the archive (since generated) - Generated2026-11-09T00:17:56Z by KitForge release/build_trail.py
- Sections9 sections, 8 fully recorded; 1 item not recorded
Signed with the release key The trail's signature is a Sigstore bundle beside it. Check it is ours before you rely on it:
cosign verify-blob --key https://readystack.dev/keys/cosign.pub \ --bundle ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.trail.json.sigstore ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.trail.json
IdentityWhy this release existsThe path through the harnessModel work per stageReviewDefectsVerificationPublicationPackages and CPU level
Identity
Fully recorded- Productkube-scheduler (kubescheduler) [MANIFEST.json]
- Release tagv1.36.6-CE-ubuntu24.04-r2 [MANIFEST.json]
- Imagereadystack/kubescheduler:v1.36.6-CE-ubuntu24.04-r2 [MANIFEST.json]
- Image index digestsha256:2507c75b079fa0723518f9de1b9ec3f7853eca61d0b465e45178966e03839146 [docs/provenance/LOCKED_DIGEST.txt]
- linux/amd64 image digestsha256:35158b727d4cbf5e2b15c39374ef1942dca98a1b4394ed2812953b443829f39f [ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.rebuild.json, subject.image_manifest_digest]
- ArchiveReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.tar.gz (bytes 523251819) [MANIFEST.json]
- Archive sha256 at publishe53d905af900eacd299cb4dce548fcc06d62a8658597b7d331494d316627951c [MANIFEST.json, tarball_sha256]
- Archive records agreeyes [MANIFEST.json, PUBLISH_MANIFEST.json and .cutover.json name the same sha256]
- Repack historynone: the archive is as first published [MANIFEST.json, repack_history]
- Upstream repositoryhttps://github.com/kubernetes/kubernetes [docs/provenance/SOURCE_TREE_HASH.json]
- Upstream refv1.36.6 [docs/provenance/SOURCE_TREE_HASH.json]
- Upstream commit1b2171b110bb2a2542e1322035c6583ec86eb976 [docs/provenance/SOURCE_TREE_HASH.json]
- Source tree hash803692e6a7661d2d72c4cdf0a2a2459bdf6646e2b6c955ed7362f279ee4fa004 (files 29206) [docs/provenance/SOURCE_TREE_HASH.json, tree_listing_sha256 (sha256 of the sorted file listing)]
- Kit tree hashsha256:56575f56b04ddbb599661e15db4fbc5ecce3740aec34951085afe4ae4c15b231 [ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.rebuild.json, inputs.tree_hash]
- SOURCE_DATE_EPOCH1793102572 (utc 2026-10-27T12:02:52Z) [ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.rebuild.json, inputs.source_date_epoch]
- Base images
- ref golang:1.26.10-bookworm@sha256:632dff7351799a5a9954a48dc06670ade72ee44e8c351cdc0e5a57af2fea21af · platform digest sha256:88750ccdd0f2a77fcc00a14b1a48d6409bd8ddb5d7c2dd6ec0b4a2e916daf9d9
- ref ubuntu:24.04@sha256:fe81560990fae86dc4743202b2cb4d3df98d0bcf949173cecef15ce1127ef852 · platform digest sha256:78d4744ead1f5b19b04d0df558ab182a5300903900755e515b2ca4d10eb2044d
- BuildKitmoby/buildkit:v0.31.2 (image digest sha256:e0e67ea9c4bb07bdef683e29f70f3b623d1eb9c82274a9ec04e6bb0511449fb0) [ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.rebuild.json, engine]
- Engine commit(s)
- commit 76d81c24c43ddcadfccac6684668838e8438bf96 · dirty yes · first drive 3895
- commit 6fea9ff144cd791177c6db2073a02de7624d4710 · dirty yes · first drive 3903
Why this release exists
Fully recorded- Chain902 (created 2026-11-08T23:29:48Z · trigger customer_request · upstream version v1.36.6) [chains, chains #902]
- Requestbuild request #599 (rebuild) (requested at 2026-11-08T23:28:40Z · requested by kitforge-agent · version v1.36.6) [build_requests, build_requests #599]
- Reasonrevision v1.36.6-CE-ubuntu24.04-r2: golang.org/x/net v0.62.0 + apt floors, PR #250; hand-bumped strategy opened no request and the line skipped it 20:42Z [build_requests, build_requests #599 request_reason]
- Supersedesreadystack/kubescheduler:v1.36.6-CE-ubuntu24.04-r1 (chain 780) [chains, chains #780]
The path through the harness
Fully recorded1 chain · 2 drives · 18 stages · 1 rewind
Chain 902 release · ready_to_ship
Created 2026-11-08T23:29:48Z, upstream v1.36.6, build request 599 [chains, chains #902]
| Drive | Started | Minutes | Build host | How it stopped |
|---|---|---|---|---|
| 3895 | 2026-11-08T23:30:44Z | 21.5 | build host 2 withhold-publish | ready_to_ship at package_archive; 19 ticks [drive_runs, drive_runs #3895] |
| 3903 | 2026-11-09T00:10:53Z | — | build host 2 publish-held | not recorded [drive_runs, drive_runs #3903] |
Stages, in order
| Stage | First start | Passed | Attempts | Gate checks passed | Artifacts (SHA-256) |
|---|---|---|---|---|---|
intake |
2026-11-08T23:30:55Z | 2026-11-08T23:30:56Z | 1 | 4
|
order_json 42cc0b064b46… |
acquire |
2026-11-08T23:31:10Z | 2026-11-08T23:31:13Z | 1 | 12
|
source_tree 96b79f03cd5d…license_file cfc7749b96f6…custody_inputs 311d12a04dae…source_tree_hash 2d16f058905f…source_file_manifest 5d272c82a631… |
plan |
2026-11-08T23:32:00Z | 2026-11-08T23:32:01Z | 1 | 10
|
recon_report bb9eb7d94fbd…input_pin_plan 615ffa1433d3…toolchain_lock e61f2460abc5… |
assemble_kit |
2026-11-08T23:37:55Z | 2026-11-08T23:37:56Z | 1 | 27
|
dockerfile 957b16c85a66…build_recipe a1e150c664f5…system_pinning 0630392bbd9f…build_offline_sh 6633aa31b6b4…generate_sbom_sh ce0f1e6f1e70…first_boot_health 1c9c665e8bf4…verify_offline_sh 3e8184ea230c…base_image_digests c36669f115ff…dockerfile_offline 957b16c85a66…first_build_digest 62c23acd9044… |
remediate |
2026-11-08T23:38:50Z | 2026-11-08T23:38:51Z | 1 | 8
|
vendored_apt e3b0c44298fc…remediation_log d88e2a32f670…security_report 4c635735e503… |
build_kit |
2026-11-08T23:43:34Z | 2026-11-08T23:43:35Z | 1 | 9
|
cosign_stamp 0430d3b285a2…locked_digest ca81e174c890…freeze_manifest fc128d83fa82…offline_rebuild_transcript 938844279377… |
verdict |
2026-11-08T23:44:19Z | 2026-11-08T23:44:20Z | 1 | 8
|
scout_verdict 47f2ea2b0705… |
publish_image |
2026-11-08T23:44:56Z | 2026-11-08T23:44:57Z | 1 | 7
|
hub_readme 80e0ace4fb54…promotion_record a33908f9848e… |
boot_instance |
2026-11-08T23:44:59Z | 2026-11-08T23:45:00Z | 1 | 3
|
instance_handle a9e1a7cfe69a… |
sbom |
2026-11-08T23:45:11Z | 2026-11-08T23:45:12Z | 1 | 5
|
sbom_md 991c3d7093e1…sbom_json 6dd664ede527… |
schema_discovery |
2026-11-08T23:45:15Z | 2026-11-08T23:45:16Z | 1 | 7
|
schema_hash 2caabf9b35a9…dependency_tree d244f456f59c…table_classification f646fedcb104… |
admin_handbook |
2026-11-08T23:45:18Z | 2026-11-08T23:45:19Z | 1 | 7
|
api_map aa396677192d…admin_handbook adfd1d69d65d… |
db_handbook |
2026-11-08T23:45:23Z | 2026-11-08T23:45:24Z | 1 | 8
|
db_handbook 828c8a501442…seed_isolation 8263acb9c5fd… |
seed_data |
2026-11-08T23:45:27Z | 2026-11-08T23:45:27Z | 1 | 6
|
seed_data_sql 6c1f5d0ddc32…seed_cases_json dfc844bb30fd… |
seed_validate |
2026-11-08T23:45:30Z | 2026-11-08T23:45:31Z | 1 | 3
|
seed_data_contract ab6507f33bd6… |
usecase_validate |
2026-11-08T23:45:35Z | 2026-11-08T23:45:36Z | 1 | 10
|
failed_tests 187ba972c2e1…passed_tests f840117edc98…test_results 96f51e6a9a97…usecase_contract 862611b30297… |
finalize_docs |
2026-11-08T23:45:41Z | 2026-11-08T23:45:42Z | 1 | 9
|
defects_json 371e1fd4c383…release_notes 285d39d01de5…api_integration_guide db1d606adfcf… |
package_archive invalidated 2026-11-09T00:10:21Z |
2026-11-08T23:52:14Z | 2026-11-08T23:52:16Z | 1 | 34 (final gate PASS)
|
sale_tar e1495c453632…checksums d18490e953f7…verify_md 6929640c0a82…rebuild_md 5d1c8fbcf977…manifest_txt b4527d550a7f…actions_jsonl 6d173f0c5c4c…provenance_md f5c6c41b96e7…assetchain_log_md e9eccaec0c0f…assetchain_log_json fcfe426bc87c… |
[stage_runs]
Rewinds
- 2026-11-09T00:10:21Z:
package_archivetopackage_archiveon docs_redo (scripts/redo-docs.py --stage package_archive) [stage_events, stage_events #27642]
Model work per stage
Fully recordedRole: writer model. Calls up to 2026-11-08T23:52:16Z.
4 calls over 2 stages
| Stage | Calls | Refused | Errors | Max attempt | Forced commits | Real tokens | Lesson rules shown |
|---|---|---|---|---|---|---|---|
plan | 2 | 0 | 0 | 1 | 0 | 13648 | L-A183, L-A15 |
remediate | 2 | 0 | 0 | 1 | 0 | 15348 | L-A183, L-A15 |
[micro_step_runs] [lesson_recalls]
Review
Fully recordedRole: review model.
1 round, 1 counted, $0.29 recorded cost
| Round | Started | Critical | Major | Minor | Verdict | Cost | Cap in force | Archive reviewed |
|---|---|---|---|---|---|---|---|---|
| 1 | 2026-11-08T23:53:09Z | 0 | 0 | 0 | clean to publish [held_rounds, held_rounds #1552] | $0.29 | 3 rounds, $40.00 | e1495c453632… |
Defects
Fully recorded- Ledger entries11 [defects, defects where product_slug=kubescheduler and this tag or chain]
- Disclosed in the archive1 [docs/defects/defects.json, entries]
11 ledger entries: by severity low 11; by status fixed-in-release 10, open 1.
| Defect | Severity | Status | Found by | Fixed in |
|---|---|---|---|---|
RSD-kubescheduler-27b49f5d1eRelease notes: Says the scheduler reads the cluster's private keys; it reads only its own kubeconfig. [defects, defects #187781] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
RSD-kubescheduler-53efff1792Release notes: Stale Known issues row prints a corrected documentation defect as an open issue of this release. [defects, defects #187782] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
RSD-kubescheduler-ab130b7c85Admin handbook: Install files do not name the image by digest: kubeadm-config.yaml gives only kubernetesVersion and imageRepository, so the static Pod image is a tag. [defects, defects #187783] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
RSD-kubescheduler-a3474fb515Admin handbook: Line 57 sends the reader to LOCKED_DIGEST.txt for the release digest, but that file holds the index digest (71f24fa4…), not the db92258d… printed in the outputs; a customer comparing the two sees a… [defects, defects #187784] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
RSD-kubescheduler-ac8d5ad945Admin handbook: The `pull-redirect` check is not among this document's 12 checks (list at the end, test-results.json) and nothing 'above' is named that; the hosts.toml output and images-from-registry are what is… [defects, defects #187785] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
RSD-kubescheduler-f7e9b765bbAdmin handbook: The named section is not in this handbook; it exists only in docs/stack/RUNBOOK.md. [defects, defects #187786] | low | open | held review (review model) | — |
RSD-kubescheduler-8f62f192fbAdmin handbook: Points customers at product-kits/kubevirt-stack/… (15 mentions in the handbook, lines 32, 56, 168, 170, 223, 229, 235, 473, 500, 534, 540, 562, 943, 961, 967), a path that is not in the archive… [defects, defects #187787] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
RSD-kubescheduler-80f4f42473Admin handbook: Cites an internal 'owner decision' and docs/KUBEVIRT_STACK.md (lines 901-902, 936), which is not in the archive; also in the quoted install-file comments at lines 333 and 484. [defects, defects #187788] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
RSD-kubescheduler-66ee475097Release notes: Stale Known issues row prints a corrected documentation defect as an open issue of this release. [defects, defects #187789] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
RSD-kubescheduler-7e249c4113Release notes: Stale Known issues row prints a corrected documentation defect as an open issue of this release. [defects, defects #187790] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
RSD-kubescheduler-3b97ea2dfaRelease notes: Stale Known issues row prints a corrected documentation defect as an open issue of this release. [defects, defects #187791] | low | fixed-in-release | held review (review model) | v1.36.6-CE-ubuntu24.04-r2 |
Verification
1 item not recorded- Reproduced before publishingyes (rebuilt digest sha256:35158b727d4cbf5e2b15c39374ef1942dca98a1b4394ed2812953b443829f39f · published digest sha256:35158b727d4cbf5e2b15c39374ef1942dca98a1b4394ed2812953b443829f39f · digest match yes · builder moby/buildkit:v0.31.2 · build seconds 130) [docs/provenance/REPRO_VERIFICATION.json, verified]
- Final contract gate (G8)PASS (checks artifact_coverage, assetchain_coverage, cosign, cpu_baseline, offline_rebuild, rebuild_manifest, scan_grade, scout_grade_a, script_copies, tag_base_os, trademark_shipped, vex_shipped) [g8_result.json, result]
- Grade at releaseA (percent 94 · tool docker scout policy 1.26.0 · config docker-default · org vex no · at 2026-11-09T00:11:16Z · failing Docker Scout counts 83 packages with copyleft licences (GPL, LGPL, MPL), all of them operating-system packages (it counts only packages whose licence it can read; the SBOM lists every component).) [SCOUT_EVIDENCE.json, docker_scout_policy]
- Image signatureverified on the index and the linux/amd64 manifest (key fingerprint 04daa92344a52dbc · at 2026-11-09T00:11:05Z) [docs/provenance/IMAGE_EVIDENCE.json, signed]
- Image signature transparency-log entries
- log index 3759610093 · transparency-log entry
- log index 3759610206 · transparency-log entry
- rebuild.json signatureSigstore bundle, release key (key fingerprint 04daa92344a52dbc · log index 3759702947 · transparency-log entry · integrated 2026-11-09T00:16:06Z) [ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.rebuild.json.sigstore, verificationMaterial.tlogEntries[0]]
- Signed attestations
- kind provenance · digest sha256:2507c75b079fa0723518f9de1b9ec3f7853eca61d0b465e45178966e03839146 · state attached · log index 3759707443 · transparency-log entry
- kind sbom · digest sha256:2507c75b079fa0723518f9de1b9ec3f7853eca61d0b465e45178966e03839146 · state attached · log index 3759708791 · transparency-log entry
- kind vsa · digest sha256:2507c75b079fa0723518f9de1b9ec3f7853eca61d0b465e45178966e03839146 · state attached · log index 3759710184 · transparency-log entry
- kind provenance · digest sha256:35158b727d4cbf5e2b15c39374ef1942dca98a1b4394ed2812953b443829f39f · state attached · log index 3759711646 · transparency-log entry
- kind sbom · digest sha256:35158b727d4cbf5e2b15c39374ef1942dca98a1b4394ed2812953b443829f39f · state attached · log index 3759712904 · transparency-log entry
- kind vsa · digest sha256:35158b727d4cbf5e2b15c39374ef1942dca98a1b4394ed2812953b443829f39f · state attached · log index 3759714659 · transparency-log entry
- Pins recorddocs/PINS.md and docs/provenance/PINS.json in the archive (https://readystack.dev/products/kubescheduler/recipe) [docs/provenance/PINS.json]
Offline clean-room rebuilds
- 2026-11-08T23:53:14Z on build host 2 (Docker-in-Docker daemon with --network none): bit for bit yes, digest match yes, customer verify yes
rebuilt sha256:35158b727d4cbf5e2b15c39374ef1942dca98a1b4394ed2812953b443829f39f [clean-room rebuild ledger, runs[672]]
- Not recorded: the policy tool's --result-file itself (its per-policy results are copied into SCOUT_EVIDENCE.json and the archive's IMAGE_EVIDENCE.json; the file is not kept)
Publication
Fully recorded 1 pending at generation- Image pushed (internal tag), publish_image passed2026-11-08T23:44:57Z [stage_runs, stage_runs chain 902 stage publish_image]
- Archive manifests written2026-11-09T00:13:51Z [PUBLISH_MANIFEST.json, published_at]
- Pending at generation: the archive cut-over on prodasset, the release tag's promotion and the site event (this trail was generated after G8 and before them; they are appended as a 'publication' event in History)
Packages and CPU level
Fully recorded- x86-64 level the image needsv1 (used v4 · baseline v2 · elf files 726 · probed 2026-11-08T23:41:08Z · source build_kit) [release_images, isa_level_hard]
History
2 events- 2026-11-09T00:17:56Z generated: by KitForge release/build_trail.py · generator commit 56ff0831ecebed815a837c90402216ab4c9685cd
- 2026-11-09T00:19:32Z publication: promoted at 2026-11-09T00:18:30Z · promoted digest sha256:2507c75b079fa0723518f9de1b9ec3f7853eca61d0b465e45178966e03839146 · promotion method imagetools_create_retag_by_digest_no_rebuild · site event 397 · checklist status complete · checklist at 2026-11-09T00:19:32Z · record workspace: deliverables/provenance/PROMOTION_RECORD.json, RELEASE_CHECKLIST.json
Records
25 records| Record | Where it is | Rows |
|---|---|---|
docs/defects/defects.json | inside the archive (ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.tar.gz) | — |
docs/provenance/IMAGE_EVIDENCE.json | inside the archive (ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.tar.gz) | — |
docs/provenance/LOCKED_DIGEST.txt | inside the archive (ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.tar.gz) | — |
docs/provenance/PINS.json | inside the archive (ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.tar.gz) | — |
docs/provenance/REPRO_VERIFICATION.json | inside the archive (ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.tar.gz) | — |
docs/provenance/SOURCE_TREE_HASH.json | inside the archive (ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.tar.gz) | — |
MANIFEST.json | beside the archive (prodasset /data/production/kubescheduler/v1.36.6-CE-ubuntu24.04-r2/), as staged for publishing | — |
PUBLISH_MANIFEST.json | beside the archive (prodasset /data/production/kubescheduler/v1.36.6-CE-ubuntu24.04-r2/), as staged for publishing | — |
ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.rebuild.json | beside the archive (prodasset /data/production/kubescheduler/v1.36.6-CE-ubuntu24.04-r2/), as staged for publishing | — |
ReadyStack-kubescheduler-v1.36.6-CE-ubuntu24.04-r2.rebuild.json.sigstore | beside the archive (prodasset /data/production/kubescheduler/v1.36.6-CE-ubuntu24.04-r2/), as staged for publishing | — |
SCOUT_EVIDENCE.json | beside the archive (prodasset /data/production/kubescheduler/v1.36.6-CE-ubuntu24.04-r2/), as staged for publishing | — |
clean-room rebuild ledger | the clean-room rebuild ledger (runstate/audit-2026-09/bit4bit.json, not published) | — |
build_requests | sadb, ReadyStack's engine database (not published) | 599 |
chains | sadb, ReadyStack's engine database (not published) | 902 |
defects | sadb, ReadyStack's engine database (not published) | kubescheduler v1.36.6-CE-ubuntu24.04-r2 |
drive_runs | sadb, ReadyStack's engine database (not published) | chain 902 |
held_rounds | sadb, ReadyStack's engine database (not published) | chain 902 |
lesson_recalls | sadb, ReadyStack's engine database (not published) | chain 902 |
micro_step_runs | sadb, ReadyStack's engine database (not published) | chain 902 |
release_images | sadb, ReadyStack's engine database (not published) | kubescheduler v1.36.6-CE-ubuntu24.04-r2 |
stage_events | sadb, ReadyStack's engine database (not published) | chain 902 |
stage_runs | sadb, ReadyStack's engine database (not published) | chain 902 |
attestations.json | the chain's workspace on the controller (not published) | — |
deliverables/provenance/PROMOTION_RECORD.json | the chain's workspace on the controller (not published) | — |
g8_result.json | the chain's workspace on the controller (not published) | — |