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edge-23.9.1 (#11350)
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This edge release introduces a fix for service discovery on endpoints that use
hostPorts. Previously, the destination service would return the pod IP for the
discovery request which could break connectivity on pod restart. To fix this,
direct pod communication for a pod bound on a hostPort will always return the
hostIP. In addition, this release fixes a security vulnerability (CVE-2023-2603)
detected in the CNI plugin and proxy-init images, and includes a number of other
fixes and small improvements.

* Addressed security vulnerability CVE-2023-2603 in proxy-init and CNI plugin
  ([#11296])
* Introduced resource requests/limits for the policy controller resource in the
  control plane helm chart ([#11301])
* Fixed an issue where an empty `remoteDiscoverySelector` field in a
  multicluster link would cause all services to be mirrored ([#11309])
* Removed time out from `linkerd multicluster gateways` command; when no
  metrics exist the command will return instantly ([#11265])
* Improved help messaging for `linkerd multicluster link` ([#11265])
* Changed how hostPort lookups are handled in the destination service.
  Previously, when doing service discovery for an endpoint bound on a hostPort,
  the destination service would return the corresponding pod IP. On pod
  restart, this could lead to loss of connectivity on the client's side. The
  destination service now always returns host IPs for service discovery on an
  endpoint that uses hostPorts ([#11328])
* Updated HTTPRoute webhook rule to validate all apiVersions of the resource
  (thanks @mikutas!) ([#11149])
* Fixed erroneous `skipped` messages when injecting namespaces with `linkerd
  inject` (thanks @mikutas!) ([#10231])

[#11309]: #11309
[#11296]: #11296
[#11328]: #11328
[#11301]: #11301
[#11265]: #11265
[#11149]: #11149
[#10231]: #10231

---------

Signed-off-by: Matei David <[email protected]>
Co-authored-by: Eliza Weisman <[email protected]>
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mateiidavid and hawkw authored Sep 11, 2023
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38 changes: 38 additions & 0 deletions CHANGES.md
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# Changes

## edge-23.9.1

This edge release introduces a fix for service discovery on endpoints that use
hostPorts. Previously, the destination service would return the pod IP for the
discovery request which could break connectivity on pod restart. To fix this,
direct pod communication for a pod bound on a hostPort will always return the
hostIP. In addition, this release fixes a security vulnerability (CVE-2023-2603)
detected in the CNI plugin and proxy-init images, and includes a number of other
fixes and small improvements.

* Addressed security vulnerability CVE-2023-2603 in proxy-init and CNI plugin
([#11296])
* Introduced resource requests/limits for the policy controller resource in the
control plane helm chart ([#11301])
* Fixed an issue where an empty `remoteDiscoverySelector` field in a
multicluster link would cause all services to be mirrored ([#11309])
* Removed time out from `linkerd multicluster gateways` command; when no
metrics exist the command will return instantly ([#11265])
* Improved help messaging for `linkerd multicluster link` ([#11265])
* Changed how hostPort lookups are handled in the destination service.
Previously, when doing service discovery for an endpoint bound on a hostPort,
the destination service would return the corresponding pod IP. On pod
restart, this could lead to loss of connectivity on the client's side. The
destination service now always returns host IPs for service discovery on an
endpoint that uses hostPorts ([#11328])
* Updated HTTPRoute webhook rule to validate all apiVersions of the resource
(thanks @mikutas!) ([#11149])
* Fixed erroneous `skipped` messages when injecting namespaces with `linkerd
inject` (thanks @mikutas!) ([#10231])

[#11309]: https://github.com/linkerd/linkerd2/issues/11309
[#11296]: https://github.com/linkerd/linkerd2/discussions/11296
[#11328]: https://github.com/linkerd/linkerd2/pull/11328
[#11301]: https://github.com/linkerd/linkerd2/issues/11301
[#11265]: https://github.com/linkerd/linkerd2/pull/11265
[#11149]: https://github.com/linkerd/linkerd2/pull/11149
[#10231]: https://github.com/linkerd/linkerd2/issues/10231

## stable-2.14.0

This release introduces direct pod-to-pod multicluster service mirroring. When
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2 changes: 1 addition & 1 deletion charts/linkerd-control-plane/Chart.yaml
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Expand Up @@ -16,7 +16,7 @@ dependencies:
- name: partials
version: 0.1.0
repository: file://../partials
version: 1.15.0
version: 1.16.0-edge
icon: https://linkerd.io/images/logo-only-200h.png
maintainers:
- name: Linkerd authors
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2 changes: 1 addition & 1 deletion charts/linkerd-control-plane/README.md
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Linkerd gives you observability, reliability, and security
for your microservices — with no code change required.

![Version: 1.15.0](https://img.shields.io/badge/Version-1.15.0-informational?style=flat-square)
![Version: 1.16.0-edge](https://img.shields.io/badge/Version-1.16.0--edge-informational?style=flat-square)
![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
![AppVersion: edge-XX.X.X](https://img.shields.io/badge/AppVersion-edge--XX.X.X-informational?style=flat-square)

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2 changes: 1 addition & 1 deletion charts/linkerd2-cni/Chart.yaml
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Expand Up @@ -9,4 +9,4 @@ description: |
kubeVersion: ">=1.21.0-0"
icon: https://linkerd.io/images/logo-only-200h.png
name: "linkerd2-cni"
version: 30.11.0
version: 30.12.0-edge
2 changes: 1 addition & 1 deletion charts/linkerd2-cni/README.md
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Expand Up @@ -6,7 +6,7 @@ Linkerd [CNI plugin](https://linkerd.io/2/features/cni/) takes care of setting
up your pod's network so incoming and outgoing traffic is proxied through the
data plane.

![Version: 30.11.0](https://img.shields.io/badge/Version-30.11.0-informational?style=flat-square)
![Version: 30.12.0-edge](https://img.shields.io/badge/Version-30.12.0--edge-informational?style=flat-square)

![AppVersion: edge-XX.X.X](https://img.shields.io/badge/AppVersion-edge--XX.X.X-informational?style=flat-square)

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2 changes: 1 addition & 1 deletion jaeger/charts/linkerd-jaeger/Chart.yaml
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Expand Up @@ -11,7 +11,7 @@ kubeVersion: ">=1.21.0-0"
name: linkerd-jaeger
sources:
- https://github.com/linkerd/linkerd2/
version: 30.11.0
version: 30.12.0-edge
icon: https://linkerd.io/images/logo-only-200h.png
maintainers:
- name: Linkerd authors
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2 changes: 1 addition & 1 deletion jaeger/charts/linkerd-jaeger/README.md
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The Linkerd-Jaeger extension adds distributed tracing to Linkerd using
OpenCensus and Jaeger.

![Version: 30.11.0](https://img.shields.io/badge/Version-30.11.0-informational?style=flat-square)
![Version: 30.12.0-edge](https://img.shields.io/badge/Version-30.12.0--edge-informational?style=flat-square)

![AppVersion: edge-XX.X.X](https://img.shields.io/badge/AppVersion-edge--XX.X.X-informational?style=flat-square)

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2 changes: 1 addition & 1 deletion multicluster/charts/linkerd-multicluster/Chart.yaml
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Expand Up @@ -11,7 +11,7 @@ kubeVersion: ">=1.21.0-0"
name: "linkerd-multicluster"
sources:
- https://github.com/linkerd/linkerd2/
version: 30.10.0
version: 30.11.0-edge
icon: https://linkerd.io/images/logo-only-200h.png
maintainers:
- name: Linkerd authors
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2 changes: 1 addition & 1 deletion multicluster/charts/linkerd-multicluster/README.md
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The Linkerd-Multicluster extension contains resources to support multicluster
linking to remote clusters

![Version: 30.10.0](https://img.shields.io/badge/Version-30.10.0-informational?style=flat-square)
![Version: 30.11.0-edge](https://img.shields.io/badge/Version-30.11.0--edge-informational?style=flat-square)

![AppVersion: edge-XX.X.X](https://img.shields.io/badge/AppVersion-edge--XX.X.X-informational?style=flat-square)

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2 changes: 1 addition & 1 deletion viz/charts/linkerd-viz/Chart.yaml
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Expand Up @@ -11,7 +11,7 @@ kubeVersion: ">=1.21.0-0"
name: "linkerd-viz"
sources:
- https://github.com/linkerd/linkerd2/
version: 30.11.0
version: 30.12.0-edge
icon: https://linkerd.io/images/logo-only-200h.png
maintainers:
- name: Linkerd authors
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2 changes: 1 addition & 1 deletion viz/charts/linkerd-viz/README.md
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The Linkerd-Viz extension contains observability and visualization
components for Linkerd.

![Version: 30.11.0](https://img.shields.io/badge/Version-30.11.0-informational?style=flat-square)
![Version: 30.12.0-edge](https://img.shields.io/badge/Version-30.12.0--edge-informational?style=flat-square)

![AppVersion: edge-XX.X.X](https://img.shields.io/badge/AppVersion-edge--XX.X.X-informational?style=flat-square)

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