|
1 | 1 | TODO: This document was manually maintained so might be incomplete. The |
2 | 2 | automation effort is tracked in |
3 | | -https://github.com/kubernetes/client-go/issues/234. |
| 3 | +https://github.com/kubernetes/test-infra/issues/5843. |
4 | 4 |
|
5 | 5 | Changes in `k8s.io/api` and `k8s.io/apimachinery` are mentioned here |
6 | 6 | because `k8s.io/client-go` depends on them. |
7 | 7 |
|
| 8 | +# v8.0.0 |
| 9 | + |
| 10 | +**Breaking Changes:** |
| 11 | + |
| 12 | +* `KUBE_API_VERSIONS` has been removed. |
| 13 | + |
| 14 | + * [https://github.com/kubernetes/kubernetes/pull/63165](https://github.com/kubernetes/kubernetes/pull/63165) |
| 15 | + |
| 16 | +* The client-go/discovery `RESTMapper` has been moved to client-go/restmapper. |
| 17 | + |
| 18 | + * [https://github.com/kubernetes/kubernetes/pull/63507](https://github.com/kubernetes/kubernetes/pull/63507) |
| 19 | + |
| 20 | +* `CachedDiscoveryClient` has been moved from kubectl to client-go. |
| 21 | + |
| 22 | + * [https://github.com/kubernetes/kubernetes/pull/63550](https://github.com/kubernetes/kubernetes/pull/63550) |
| 23 | + |
| 24 | +* The `EventRecorder` interface is changed to include an `AnnotatedEventf` method, which can add annotations to an event. |
| 25 | + |
| 26 | + * [https://github.com/kubernetes/kubernetes/pull/64213](https://github.com/kubernetes/kubernetes/pull/64213) |
| 27 | + |
| 28 | +* [k8s.io/apimachinery] The deprecated `RepairMalformedUpdates` flag has been removed. |
| 29 | + |
| 30 | + * [https://github.com/kubernetes/kubernetes/pull/61455](https://github.com/kubernetes/kubernetes/pull/61455) |
| 31 | + |
| 32 | +**New Features:** |
| 33 | + |
| 34 | +* A new easy-to-use dynamic client is added and the old dynamic client is now deprecated. |
| 35 | + |
| 36 | + * [https://github.com/kubernetes/kubernetes/pull/62913](https://github.com/kubernetes/kubernetes/pull/62913) |
| 37 | + |
| 38 | +* client-go and kubectl now detect and report an error on duplicated name for user, cluster and context, while loading the kubeconfig. |
| 39 | + |
| 40 | + * [https://github.com/kubernetes/kubernetes/pull/60464](https://github.com/kubernetes/kubernetes/pull/60464) |
| 41 | + |
| 42 | +* The informer code-generator now allows specifying a custom resync period for certain informer types and uses the default resync period if none is specified. |
| 43 | + |
| 44 | + * [https://github.com/kubernetes/kubernetes/pull/61400](https://github.com/kubernetes/kubernetes/pull/61400) |
| 45 | + |
| 46 | +* Exec authenticator plugin now supports TLS client certificates. |
| 47 | + |
| 48 | + * [https://github.com/kubernetes/kubernetes/pull/61803](https://github.com/kubernetes/kubernetes/pull/61803) |
| 49 | + |
| 50 | +* The discovery client now has a default request timeout of 32 seconds. |
| 51 | + |
| 52 | + * [https://github.com/kubernetes/kubernetes/pull/62733](https://github.com/kubernetes/kubernetes/pull/62733) |
| 53 | + |
| 54 | +* The OpenStack auth config from is now read from the client config. If the client config is not available, it falls back to reading from the environment variables. |
| 55 | + |
| 56 | + * [https://github.com/kubernetes/kubernetes/pull/60200](https://github.com/kubernetes/kubernetes/pull/60200) |
| 57 | + |
| 58 | +* The in-tree support for openstack credentials is now deprecated. Please use the `client-keystone-auth` from the cloud-provider-openstack repository. Details on how to use this new capability is documented [here](https://github.com/kubernetes/cloud-provider-openstack/blob/master/docs/using-client-keystone-auth.md) |
| 59 | + |
| 60 | + * [https://github.com/kubernetes/kubernetes/pull/64346](https://github.com/kubernetes/kubernetes/pull/64346) |
| 61 | + |
| 62 | +**Bug fixes and Improvements:** |
| 63 | + |
| 64 | +* 406 mime-type errors are now tolerated while attempting to load new openapi schema. This improves compatibility with older servers when creating/updating API objects. |
| 65 | + |
| 66 | + * [https://github.com/kubernetes/kubernetes/pull/61949](https://github.com/kubernetes/kubernetes/pull/61949) |
| 67 | + |
| 68 | +* Removes the generated `DeleteCollection()` method for `Services` since the API does not support it. |
| 69 | + |
| 70 | + * [https://github.com/kubernetes/kubernetes/pull/63861](https://github.com/kubernetes/kubernetes/pull/63861) |
| 71 | + |
| 72 | +* Event object references with apiversion now report an apiversion, instead of just the group. |
| 73 | + |
| 74 | + * [https://github.com/kubernetes/kubernetes/pull/63913](https://github.com/kubernetes/kubernetes/pull/63913) |
| 75 | + |
| 76 | + [https://github.com/kubernetes/kubernetes/pull/62462](https://github.com/kubernetes/kubernetes/pull/62462) |
| 77 | + |
| 78 | +* [k8s.io/apimachinery] `runtime.Unstructured.UnstructuredContent()` no longer mutates the source while returning the contents. |
| 79 | + |
| 80 | + * [https://github.com/kubernetes/kubernetes/pull/62063](https://github.com/kubernetes/kubernetes/pull/62063) |
| 81 | + |
| 82 | +* [k8s.io/apimachinery] Incomplete support for `uint64` is now removed. This fixes a panic encountered while using `DeepCopyJSON` with `uint64`. |
| 83 | + |
| 84 | + * [https://github.com/kubernetes/kubernetes/pull/62981](https://github.com/kubernetes/kubernetes/pull/62981) |
| 85 | + |
| 86 | +* [k8s.io/apimachinery] API server can now parse `propagationPolicy` when it sent as a query parameter sent with a delete request. |
| 87 | + |
| 88 | + * [https://github.com/kubernetes/kubernetes/pull/63414](https://github.com/kubernetes/kubernetes/pull/63414) |
| 89 | + |
| 90 | +* [k8s.io/apimachinery] APIServices with kube-like versions (e.g. v1, v2beta1, etc.) will be sorted appropriately within each group. |
| 91 | + |
| 92 | + * [https://github.com/kubernetes/kubernetes/pull/64004](https://github.com/kubernetes/kubernetes/pull/64004) |
| 93 | + |
| 94 | +* [k8s.io/apimachinery] `int64` is the only allowed integer for printers. |
| 95 | + |
| 96 | + * [https://github.com/kubernetes/kubernetes/pull/64639](https://github.com/kubernetes/kubernetes/pull/64639) |
| 97 | + |
| 98 | +## API changes |
| 99 | + |
| 100 | +**Breaking Changes:** |
| 101 | + |
| 102 | +* Support for `alpha.kubernetes.io/nvidia-gpu` resource which was deprecated in 1.10 is removed. Please use the resource exposed by `DevicePlugins` instead (`nvidia.com/gpu`). |
| 103 | + |
| 104 | + * [https://github.com/kubernetes/kubernetes/pull/61498](https://github.com/kubernetes/kubernetes/pull/61498) |
| 105 | + |
| 106 | +* Alpha annotation for `PersistentVolume` node affinity has been removed. Update your `PersistentVolume`s to use the beta `PersistentVolume.nodeAffinity` field before upgrading. |
| 107 | + |
| 108 | + * [https://github.com/kubernetes/kubernetes/pull/61816](https://github.com/kubernetes/kubernetes/pull/61816) |
| 109 | + |
| 110 | +* `ObjectMeta ` `ListOptions` `DeleteOptions` are removed from the core api group. Please use the ones in `meta/v1` instead. |
| 111 | + |
| 112 | + * [https://github.com/kubernetes/kubernetes/pull/61809](https://github.com/kubernetes/kubernetes/pull/61809) |
| 113 | + |
| 114 | +* `ExternalID` in `NodeSpec` is deprecated. The externalID of the node is no longer set in the Node spec. |
| 115 | + |
| 116 | + * [https://github.com/kubernetes/kubernetes/pull/61877](https://github.com/kubernetes/kubernetes/pull/61877) |
| 117 | + |
| 118 | +* PSP-related types in the `extensions/v1beta1` API group are now deprecated. It is suggested to use the `policy/v1beta1` API group instead. |
| 119 | + |
| 120 | + * [https://github.com/kubernetes/kubernetes/pull/61777](https://github.com/kubernetes/kubernetes/pull/61777) |
| 121 | + |
| 122 | +**New Features:** |
| 123 | + |
| 124 | +* `PodSecurityPolicy` now supports restricting hostPath volume mounts to be readOnly and under specific path prefixes. |
| 125 | + |
| 126 | + * [https://github.com/kubernetes/kubernetes/pull/58647](https://github.com/kubernetes/kubernetes/pull/58647) |
| 127 | + |
| 128 | +* `Node.Spec.ConfigSource.ConfigMap.KubeletConfigKey` must be specified when using dynamic Kubelet config to tell the Kubelet which key of the `ConfigMap` identifies its config file. |
| 129 | + |
| 130 | + * [https://github.com/kubernetes/kubernetes/pull/59847](https://github.com/kubernetes/kubernetes/pull/59847) |
| 131 | + |
| 132 | +* `serverAddressByClientCIDRs` in `meta/v1` APIGroup is now optional. |
| 133 | + |
| 134 | + * [https://github.com/kubernetes/kubernetes/pull/61963](https://github.com/kubernetes/kubernetes/pull/61963) |
| 135 | + |
| 136 | +* A new field `MatchFields` is added to `NodeSelectorTerm`. Currently, it only supports `metadata.name`. |
| 137 | + |
| 138 | + * [https://github.com/kubernetes/kubernetes/pull/62002](https://github.com/kubernetes/kubernetes/pull/62002) |
| 139 | + |
| 140 | +* The `PriorityClass` API is promoted to `scheduling.k8s.io/v1beta1`. |
| 141 | + |
| 142 | + * [https://github.com/kubernetes/kubernetes/pull/63100](https://github.com/kubernetes/kubernetes/pull/63100) |
| 143 | + |
| 144 | +* The status of dynamic Kubelet config is now reported via `Node.Status.Config`, rather than the `KubeletConfigOk` node condition. |
| 145 | + |
| 146 | + * [https://github.com/kubernetes/kubernetes/pull/63314](https://github.com/kubernetes/kubernetes/pull/63314) |
| 147 | + |
| 148 | +* The `GitRepo` volume type is deprecated. To provision a container with a git repo, mount an `EmptyDir` into an `InitContainer` that clones the repo using git, then mount the `EmptyDir` into the Pod's container. |
| 149 | + |
| 150 | + * [https://github.com/kubernetes/kubernetes/pull/63445](https://github.com/kubernetes/kubernetes/pull/63445) |
| 151 | + |
| 152 | +* The Sysctls experimental feature has been promoted to beta (enabled by default via the `Sysctls` feature flag). `PodSecurityPolicy` and `Pod` objects now have fields for specifying and controlling sysctls. Alpha sysctl annotations will be ignored by 1.11+ kubelets. All alpha sysctl annotations in existing deployments must be converted to API fields to be effective. |
| 153 | + |
| 154 | + * [https://github.com/kubernetes/kubernetes/pull/63717](https://github.com/kubernetes/kubernetes/pull/63717) |
| 155 | + |
| 156 | +* The annotation `service.alpha.kubernetes.io/tolerate-unready-endpoints` is deprecated. Users should use `Service.spec.publishNotReadyAddresses` instead. |
| 157 | + |
| 158 | + * [https://github.com/kubernetes/kubernetes/pull/63742](https://github.com/kubernetes/kubernetes/pull/63742) |
| 159 | + |
| 160 | +* `VerticalPodAutoscaler` has been added to `autoscaling/v1` API group. |
| 161 | + |
| 162 | + * [https://github.com/kubernetes/kubernetes/pull/63797](https://github.com/kubernetes/kubernetes/pull/63797) |
| 163 | + |
| 164 | +* Alpha support is added for dynamic volume limits based on node type. |
| 165 | + |
| 166 | + * [https://github.com/kubernetes/kubernetes/pull/64154](https://github.com/kubernetes/kubernetes/pull/64154) |
| 167 | + |
| 168 | +* `ContainersReady` condition is added to the Pod status. |
| 169 | + |
| 170 | + * [https://github.com/kubernetes/kubernetes/pull/64646](https://github.com/kubernetes/kubernetes/pull/64646) |
| 171 | + |
| 172 | +**Bug fixes and Improvements:** |
| 173 | + |
| 174 | +* Default mount propagation has changed from `HostToContainer` (`rslave` in Linux terminology) to `None` (`private`) to match the behavior in 1.9 and earlier releases. `HostToContainer` as a default caused regressions in some pods. |
| 175 | + |
| 176 | + * [https://github.com/kubernetes/kubernetes/pull/62462](https://github.com/kubernetes/kubernetes/pull/62462) |
| 177 | + |
8 | 178 | # v7.0.0 |
9 | 179 |
|
10 | 180 | **Breaking Changes:** |
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