chore(deps): update dependency kubernetes to v27 - autoclosed #182
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This PR contains the following updates:
==12.0.1
->==27.2.0
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Release Notes
kubernetes-client/python (kubernetes)
v27.2.0
Compare Source
Kubernetes API Version: v1.27.2
API Change
Added error handling for seccomp localhost configurations that do not properly set a localhostProfile (kubernetes/kubernetes#117020, @cji) [SIG API Machinery and Node]
Fixed an issue where kubelet does not set case-insensitive headers for http probes. (#117182, @dddddai) (kubernetes/kubernetes#117324, @dddddai) [SIG API Machinery, Apps and Node]
Revised the comment about the feature-gate level for PodFailurePolicy from alpha to beta (kubernetes/kubernetes#117815, @kerthcet) [SIG Apps]
A fix in the
resource.k8s.io/v1alpha1/ResourceClaim
API avoids harmless (?) ".status.reservedFor: element 0: associative list without keys has an element that's a map type" errors in the apiserver. Validation now rejects the incorrect reuse of the same UID in different entries. (kubernetes/kubernetes#115354, @pohly)A terminating pod on a node that is not caused by preemption no longer prevents
kube-scheduler
from preempting pods on that nodePreemptionByKubeScheduler
toPreemptionByScheduler
(kubernetes/kubernetes#114623, @Huang-Wei)API: resource.k8s.io/v1alpha1.PodScheduling was renamed to resource.k8s.io/v1alpha2.PodSchedulingContext. (kubernetes/kubernetes#116556, @pohly) [SIG API Machinery, Apps, Auth, CLI, Node, Scheduling and Testing]
Added CEL runtime cost calculation into ValidatingAdmissionPolicy, matching the evaluation cost
restrictions that already apply to CustomResourceDefinition.
If rule evaluation uses more compute than the limit, the API server aborts the evaluation and the
admission check that was being performed is aborted; the
failurePolicy
for the ValidatingAdmissionPolicydetermines the outcome. (kubernetes/kubernetes#115747, @cici37)
Added
auditAnnotations
toValidatingAdmissionPolicy
, enabling CEL to be used to add audit annotations to request audit events.Added
validationActions
toValidatingAdmissionPolicyBinding
, enabling validation failures to be handled by any combination of the warn, audit and deny enforcement actions. (kubernetes/kubernetes#115973, @jpbetz)Added
messageExpression
field toValidationRule
. (kubernetes/kubernetes#115969, @DangerOnTheRanger)Added
messageExpression
toValidatingAdmissionPolicy
, to set custom failure message via CEL expression. (kubernetes/kubernetes#116397, @jiahuif) [SIG API Machinery]Added a new IPAddress object kind
Added a new alpha API: ClusterTrustBundle (
certificates.k8s.io/v1alpha1
).A ClusterTrustBundle may be used to distribute X.509 trust anchors to workloads within the cluster. (kubernetes/kubernetes#113218, @ahmedtd) [SIG API Machinery, Auth and Testing]
Added authorization check support to the CEL expressions of ValidatingAdmissionPolicy via a
authorizer
variable with expressions. The new variable provides a builder that allows expressions such
authorizer.group('').resource('pods').check('create').allowed()
. (kubernetes/kubernetes#116054, @jpbetz) [SIG API Machinery and Testing]Added matchConditions field to ValidatingAdmissionPolicy and enabled support for CEL based custom match criteria. (kubernetes/kubernetes#116350, @maxsmythe)
Added new option to the
InterPodAffinity
scheduler plugin to ignore existingpods
preferred inter-pod affinities if the incoming pod has no preferred inter-pod affinities. This option can be used as an optimization for higher scheduling throughput (at the cost of an occasional pod being scheduled non-optimally/violating existing pods preferred inter-pod affinities). To enable this scheduler option, set the
InterPodAffinityscheduler plugin arg
ignorePreferredTermsOfExistingPods: true` (kubernetes/kubernetes#114393, @danielvegamyhre)Added the
MatchConditions
field toValidatingWebhookConfiguration
andMutatingWebhookConfiguration
for the v1beta and v1 apis.The
AdmissionWebhookMatchConditions
featuregate is now in Alpha (kubernetes/kubernetes#116261, @ivelichkovich) [SIG API Machinery and Testing]Added validation to ensure that if
service.kubernetes.io/topology-aware-hints
andservice.kubernetes.io/topology-mode
annotations are both set, they are set to the same value.Also Added deprecation warning ifservice.kubernetes.io/topology-aware-hints
annotation is used. (kubernetes/kubernetes#116612, @robscott)Added warnings about workload resources (Pods, ReplicaSets, Deployments, Jobs, CronJobs, or ReplicationControllers) whose names are not valid DNS labels. (kubernetes/kubernetes#114412, @thockin)
Adds feature gate
NodeLogQuery
which provides cluster administrators with a streaming view of logs using kubectl without them having to implement a client side reader or logging into the node. (kubernetes/kubernetes#96120, @LorbusChris)Api: validation of a
PodSpec
now rejects invalidResourceClaim
andResourceClaimTemplate
names. For a pod, the name generated for theResourceClaim
when using a template also must be valid. (kubernetes/kubernetes#116576, @pohly)Bump default API QPS limits for Kubelet. (kubernetes/kubernetes#116121, @wojtek-t)
Enabled the
StatefulSetStartOrdinal
feature gate in beta (kubernetes/kubernetes#115260, @pwschuurman)Enabled usage of
kube-proxy
,kube-scheduler
andkubelet
HTTP APIs for changing the loggingverbosity at runtime for JSON output. (kubernetes/kubernetes#114609, @pohly)
Encryption of API Server at rest configuration now allows the use of wildcards in the list of resources. For example, . can be used to encrypt all resources, including all current and future custom resources. (kubernetes/kubernetes#115149, @nilekhc)
Extended the kubelet's PodResources API to include resources allocated in
ResourceClaims
viaDynamicResourceAllocation
. Additionally, added a newGet()
method to query a specific pod for its resources. (kubernetes/kubernetes#115847, @moshe010) [SIG Node]Forbid to set matchLabelKeys when labelSelector is not set in topologySpreadConstraints (kubernetes/kubernetes#116535, @denkensk)
GCE does not support LoadBalancer Services with ports with different protocols (TCP and UDP) (kubernetes/kubernetes#115966, @aojea) [SIG Apps and Cloud Provider]
GRPC probes are now a GA feature.
GRPCContainerProbe
feature gate was locked to default value and will be removed in v1.29. If you were setting this feature gate explicitly, please remove it now. (kubernetes/kubernetes#116233, @SergeyKanzhelev)Graduated
Kubelet Topology Manager
to GA. (kubernetes/kubernetes#116093, @swatisehgal)Graduated
KubeletTracing
to beta, which means that the feature gate is now enabled by default. (kubernetes/kubernetes#115750, @saschagrunert)Graduated seccomp profile defaulting to GA.
Set the kubelet
--seccomp-default
flag orseccompDefault
kubelet configuration field totrue
to make pods on that node default to using theRuntimeDefault
seccomp profile.Enabling seccomp for your workload can have a negative performance impact depending on the kernel and container runtime version in use.
Guidance for identifying and mitigating those issues is outlined in the Kubernetes seccomp tutorial. (kubernetes/kubernetes#115719, @saschagrunert) [SIG API Machinery, Node, Storage and Testing]
Graduated the container resource metrics feature on
HPA
to beta. (kubernetes/kubernetes#116046, @sanposhiho)Implemented API streaming for the
watch-cache
When
sendInitialEvents
ListOption
is set together withwatch=true
, it begins the watch stream with synthetic init events followed by a synthetic "Bookmark" after which the server continues streaming events. (kubernetes/kubernetes#110960, @p0lyn0mial)Introduced API for streaming.
Added
SendInitialEvents
field to theListOptions
. When the new option is set together withwatch=true
, it begins the watch stream with synthetic init events followed by a synthetic "Bookmark" after which the server continues streaming events. (kubernetes/kubernetes#115402, @p0lyn0mial)Introduced a breaking change to the
resource.k8s.io
API in itsAllocationResult
struct. This change allows a kubelet plugin for theDynamicResourceAllocation
feature to service allocations from multiple resource driver controllers. (kubernetes/kubernetes#116332, @klueska)Introduces new alpha functionality to the reflector, allowing user to enable API streaming.
To activate this feature, users can set the
ENABLE_CLIENT_GO_WATCH_LIST_ALPHA
environmental variable.It is important to note that the server must support streaming for this feature to function properly.
If streaming is not supported by the server, the reflector will revert to the previous method
of obtaining data through LIST/WATCH semantics. (kubernetes/kubernetes#110772, @p0lyn0mial) [SIG API Machinery]
K8s.io/client-go/tools/record.EventBroadcaster: after Shutdown() is called, the broadcaster now gives up immediately after a failure to write an event to a sink. Previously it tried multiple times for 12 seconds in a goroutine. (kubernetes/kubernetes#115514, @pohly) [SIG API Machinery]
K8s.io/component-base/logs: usage of the pflag values in a normal Go flag set led to panics when printing the help message (kubernetes/kubernetes#114680, @pohly) [SIG Instrumentation]
Kubeadm: explicitly set
priority
for static pods withpriorityClassName: system-node-critical
(kubernetes/kubernetes#114338, @champtar) [SIG Cluster Lifecycle]Kubelet: a "maxParallelImagePulls" field can now be specified in the kubelet configuration file to control how many image pulls the kubelet can perform in parallel. (kubernetes/kubernetes#115220, @ruiwen-zhao) [SIG API Machinery, Node and Scalability]
Kubelet: changed
MemoryThrottlingFactor
default value to0.9
and formulas to calculatememory.high
(kubernetes/kubernetes#115371, @pacoxu)Kubernetes components that perform leader election now only support using
Leases
for this. (kubernetes/kubernetes#114055, @aimuz)Migrated the
DaemonSet
controller (withinkube-controller-manager
) to use contextual logging (kubernetes/kubernetes#113622, @249043822)New
service.kubernetes.io/topology-mode
annotation has been introduced as a replacement for theservice.kubernetes.io/topology-aware-hints
annotation.service.kubernetes.io/topology-aware-hints
annotation has been deprecated.Pods owned by a Job now uses the labels
batch.kubernetes.io/job-name
andbatch.kubernetes.io/controller-uid
.The legacy labels
job-name
andcontroller-uid
are still added for compatibility. (kubernetes/kubernetes#114930, @kannon92)Promoted
CronJobTimeZone
feature to GA (kubernetes/kubernetes#115904, @soltysh)Promoted
SelfSubjectReview
to Beta (kubernetes/kubernetes#116274, @nabokihms) [SIG API Machinery, Auth, CLI and Testing]Relaxed API validation to allow pod node selector to be mutable for gated pods (additions only, no deletions or mutations). (kubernetes/kubernetes#116161, @danielvegamyhre)
Remove
kubernetes.io/grpc
standard appProtocol (kubernetes/kubernetes#116866, @LiorLieberman) [SIG API Machinery and Apps]Remove deprecated
--enable-taint-manager
and--pod-eviction-timeout
CLI (kubernetes/kubernetes#115840, @atosatto)Removed support for the
v1alpha1
kubeletplugin API ofDynamicResourceManagement
. All plugins must be updated tov1alpha2
in order to function properly. (kubernetes/kubernetes#116558, @klueska)The API server now re-uses data encryption keys while the kms v2 plugin key ID is stable. Data encryption keys are still randomly generated on server start but an atomic counter is used to prevent nonce collisions. (kubernetes/kubernetes#116155, @enj)
The PodDisruptionBudget
spec.unhealthyPodEvictionPolicy
field has graduated to beta and is enabled by default. On servers with the feature enabled, this field may be set toAlwaysAllow
to always allow unhealthy pods covered by the PodDisruptionBudget to be evicted. (kubernetes/kubernetes#115363, @ravisantoshgudimetla) [SIG Apps, Auth and Node]The
DownwardAPIHugePages
kubelet feature graduated to stable / GA. (kubernetes/kubernetes#115721, @saschagrunert) [SIG Apps and Node]The following feature gates for volume expansion GA features have now been removed and must no longer be referenced in
--feature-gates
flags:ExpandCSIVolumes
,ExpandInUsePersistentVolumes
,ExpandPersistentVolumes
(kubernetes/kubernetes#113942, @mengjiao-liu)The list-type of the alpha
resourceClaims
field introduced toPods
in1.26.0
was modified fromset
tomap
, resolving an incompatibility with use of this schema inCustomResourceDefinitions
and with server-side apply. (kubernetes/kubernetes#114585, @JoelSpeed)Updated API reference for Requests, specifying they must not exceed limits (kubernetes/kubernetes#115434, @ehashman)
Updated
KMSv2
to beta (kubernetes/kubernetes#115123, @aramase)Updated: Redefine AppProtocol field description and add new standard values (kubernetes/kubernetes#115433, @LiorLieberman) [SIG API Machinery, Apps and Network]
/metrics/slis
is now available for control plane components allowing you to scrape health check metrics. (kubernetes/kubernetes#114997, @Richabanker)APIServerTracing
feature gate is now enabled by default. Tracing in the APIServer is still disabled by default, and requires a config file to enable. (kubernetes/kubernetes#116144, @dashpole)
NodeResourceFit
andNodeResourcesBalancedAllocation
implement thePreScore
extension point for a more performant calculation. (kubernetes/kubernetes#115655, @tangwz)
PodSchedulingReadiness
is graduated to beta. (kubernetes/kubernetes#115815, @Huang-Wei)PodSpec.Container.Resources
became mutable for CPU and memory resource types.PodSpec.Container.ResizePolicy
(new object) gives users control over how their containers are resized.PodStatus.Resize
status describes the state of a requested Pod resize.PodStatus.ResourcesAllocated
describes node resources allocated to Pod.PodStatus.Resources
describes node resources applied to running containers by CRI.UpdateContainerResources
CRI API now supports both Linux and Windows. (kubernetes/kubernetes#102884, @vinaykul)SELinuxMountReadWriteOncePod
graduated to Beta. (kubernetes/kubernetes#116425, @jsafrane)StatefulSetAutoDeletePVC
feature gate promoted to beta. (kubernetes/kubernetes#116501, @mattcary)StatefulSet
names must be DNS labels, rather than subdomains. AnyStatefulSet
which took advantage of subdomain validation (by having dots in the name) can't
possibly have worked, because we eventually set
pod.spec.hostname
from theStatefulSetName
,and that is validated as a DNS label. (kubernetes/kubernetes#114172, @thockin)
ValidatingAdmissionPolicy
now provides a status field that contains results of type checking the validation expression.The type checking is fully informational, and the behavior of the policy is unchanged. (kubernetes/kubernetes#115668, @jiahuif)
cacheSize
field inEncryptionConfiguration
is not supported for KMSv2 provider (kubernetes/kubernetes#113121, @aramase)k8s.io/component-base/logs
now also supports adding command line flags to aflag.FlagSet
. (kubernetes/kubernetes#114731, @pohly)kubelet
: migrated--container-runtime-endpoint
and--image-service-endpoint
to kubelet config (kubernetes/kubernetes#112136, @pacoxu)
resource.k8s.io/v1alpha1
was replaced withresource.k8s.io/v1alpha2
. Beforeupgrading a cluster, all objects in resource.k8s.io/v1alpha1 (ResourceClaim, ResourceClaimTemplate,
ResourceClass, PodScheduling) must be deleted. The changes are internal, so
YAML files which create pods and resource claims don't need changes except for
the newer
apiVersion
. (kubernetes/kubernetes#116299, @pohly)volumes
:resource.claims
is now cleared for PVC specs during create or update of a pod spec with inline PVC template or of a PVC because it has no effect. (kubernetes/kubernetes#115928, @pohly)Added a new alpha API: ClusterTrustBundle (
certificates.k8s.io/v1alpha1
).A ClusterTrustBundle may be used to distribute X.509 trust anchors to workloads within the cluster. (kubernetes/kubernetes#113218, @ahmedtd) [SIG API Machinery, Auth and Testing]
Remove
kubernetes.io/grpc
standard appProtocol (kubernetes/kubernetes#116866, @LiorLieberman) [SIG API Machinery and Apps]API: resource.k8s.io/v1alpha1.PodScheduling was renamed to resource.k8s.io/v1alpha2.PodSchedulingContext. (kubernetes/kubernetes#116556, @pohly) [SIG API Machinery, Apps, Auth, CLI, Node, Scheduling and Testing]
APIServerTracing feature gate is now enabled by default. Tracing in the API Server is still disabled by default, and requires a config file to enable. (kubernetes/kubernetes#116144, @dashpole) [SIG API Machinery and Testing]
Added CEL runtime cost calculation into ValidatingAdmissionPolicy, matching the evaluation cost
restrictions that already apply to CustomResourceDefinition.
If rule evaluation uses more compute than the limit, the API server aborts the evaluation and the
admission check that was being performed is aborted; the
failurePolicy
for the ValidatingAdmissionPolicydetermines the outcome. (kubernetes/kubernetes#115747, @cici37) [SIG API Machinery]
Added
messageExpression
toValidatingAdmissionPolicy
, to set custom failure message via CEL expression. (kubernetes/kubernetes#116397, @jiahuif) [SIG API Machinery]Added a new IPAddress object kind
Added a new alpha API: ClusterTrustBundle (
certificates.k8s.io/v1alpha1
).A ClusterTrustBundle may be used to distribute X.509 trust anchors to workloads within the cluster. (kubernetes/kubernetes#113218, @ahmedtd) [SIG API Machinery, Auth and Testing]
Added authorization check support to the CEL expressions of ValidatingAdmissionPolicy via a
authorizer
variable with expressions. The new variable provides a builder that allows expressions such
authorizer.group('').resource('pods').check('create').allowed()
. (kubernetes/kubernetes#116054, @jpbetz) [SIG API Machinery and Testing]Added matchConditions field to ValidatingAdmissionPolicy, enabled support for CEL based custom match criteria. (kubernetes/kubernetes#116350, @maxsmythe) [SIG API Machinery and Testing]
Added messageExpression field to ValidationRule. (#115969, @DangerOnTheRanger) (kubernetes/kubernetes#115969, @DangerOnTheRanger) [SIG API Machinery, Architecture, Auth, CLI, Cloud Provider, Instrumentation, Node and Testing]
Added the
MatchConditions
field toValidatingWebhookConfiguration
andMutatingWebhookConfiguration
for the v1beta and v1 apis.The
AdmissionWebhookMatchConditions
featuregate is now in Alpha (kubernetes/kubernetes#116261, @ivelichkovich) [SIG API Machinery and Testing]Added validation to ensure that if
service.kubernetes.io/topology-aware-hints
andservice.kubernetes.io/topology-mode
annotations are both set, they are set to the same value.service.kubernetes.io/topology-aware-hints
annotation is used. (kubernetes/kubernetes#116612, @robscott) [SIG Apps, Network and Testing]Adds auditAnnotations to ValidatingAdmissionPolicy, enabling CEL to be used to add audit annotations to request audit events.
Adds validationActions to ValidatingAdmissionPolicyBinding, enabling validation failures to be handled by any combination of the warn, audit and deny enforcement actions. (kubernetes/kubernetes#115973, @jpbetz) [SIG API Machinery and Testing]
Adds feature gate
NodeLogQuery
which provides cluster administrators with a streaming view of logs using kubectl without them having to implement a client side reader or logging into the node. (kubernetes/kubernetes#96120, @LorbusChris) [SIG API Machinery, Apps, CLI, Node, Testing and Windows]Api: validation of a PodSpec now rejects invalid ResourceClaim and ResourceClaimTemplate names. For a pod, the name generated for the ResourceClaim when using a template also must be valid. (kubernetes/kubernetes#116576, @pohly) [SIG Apps]
Bump default API QPS limits for Kubelet. (kubernetes/kubernetes#116121, @wojtek-t) [SIG API Machinery and Node]
Enable the "StatefulSetStartOrdinal" feature gate in beta (kubernetes/kubernetes#115260, @pwschuurman) [SIG API Machinery and Apps]
Extended the kubelet's PodResources API to include resources allocated in
ResourceClaims
viaDynamicResourceAllocation
. Additionally, added a newGet()
method to query a specific pod for its resources. (kubernetes/kubernetes#115847, @moshe010) [SIG Node]Forbid to set matchLabelKeys when labelSelector isn’t set in topologySpreadConstraints (kubernetes/kubernetes#116535, @denkensk) [SIG API Machinery, Apps and Scheduling]
GCE does not support LoadBalancer Services with ports with different protocols (TCP and UDP) (kubernetes/kubernetes#115966, @aojea) [SIG Apps and Cloud Provider]
GRPC probes are now a GA feature. GRPCContainerProbe feature gate was locked to default value and will be removed in v1.29. If you were setting this feature gate explicitly, please remove it now. (kubernetes/kubernetes#116233, @SergeyKanzhelev) [SIG API Machinery, Apps and Node]
Graduate Kubelet Topology Manager to GA. (kubernetes/kubernetes#116093, @swatisehgal) [SIG API Machinery, Node and Testing]
Graduate
KubeletTracing
to beta, which means that the feature gate is now enabled by default. (kubernetes/kubernetes#115750, @saschagrunert) [SIG Instrumentation and Node]Graduate the container resource metrics feature on HPA to beta. (kubernetes/kubernetes#116046, @sanposhiho) [SIG Autoscaling]
Introduced a breaking change to the
resource.k8s.io
API in itsAllocationResult
struct. This change allows a kubelet plugin for theDynamicResourceAllocation
feature to service allocations from multiple resource driver controllers. (kubernetes/kubernetes#116332, @klueska) [SIG API Machinery, Apps, CLI, Node, Scheduling and Testing]Introduces new alpha functionality to the reflector, allowing user to enable API streaming.
To activate this feature, users can set the
ENABLE_CLIENT_GO_WATCH_LIST_ALPHA
environmental variable.It is important to note that the server must support streaming for this feature to function properly.
If streaming is not supported by the server, the reflector will revert to the previous method
of obtaining data through LIST/WATCH semantics. (kubernetes/kubernetes#110772, @p0lyn0mial) [SIG API Machinery]
Kubelet: change MemoryThrottlingFactor default value to 0.9 and formulas to calculate memory.high (kubernetes/kubernetes#115371, @pacoxu) [SIG API Machinery, Apps and Node]
Migrated the DaemonSet controller (within `kube-controller-manager) to use contextual logging (kubernetes/kubernetes#113622, @249043822) [SIG API Machinery, Apps, Instrumentation and Testing]
New
service.kubernetes.io/topology-mode
annotation has been introduced as a replacement for theservice.kubernetes.io/topology-aware-hints
annotation.service.kubernetes.io/topology-aware-hints
annotation has been deprecated.NodeResourceFit and NodeResourcesBalancedAllocation implement the PreScore extension point for a more performant calculation. (kubernetes/kubernetes#115655, @tangwz) [SIG Scheduling]
Pods owned by a Job will now use the labels
batch.kubernetes.io/job-name
andbatch.kubernetes.io/controller-uid
.The legacy labels
job-name
andcontroller-uid
are still added for compatibility. (kubernetes/kubernetes#114930, @kannon92) [SIG Apps]Promote CronJobTimeZone feature to GA (kubernetes/kubernetes#115904, @soltysh) [SIG API Machinery and Apps]
Promoted
SelfSubjectReview
to Beta (kubernetes/kubernetes#116274, @nabokihms) [SIG API Machinery, Auth, CLI and Testing]Relax API validation to allow pod node selector to be mutable for gated pods (additions only, no deletions or mutations). (kubernetes/kubernetes#116161, @danielvegamyhre) [SIG Apps, Scheduling and Testing]
Remove deprecated
--enable-taint-manager
and--pod-eviction-timeout
CLI flags (kubernetes/kubernetes#115840, @atosatto) [SIG API Machinery, Apps, Node and Testing]Resource.k8s.io/v1alpha1 was replaced with resource.k8s.io/v1alpha2. Before upgrading a cluster, all objects in resource.k8s.io/v1alpha1 (ResourceClaim, ResourceClaimTemplate, ResourceClass, PodScheduling) must be deleted. The changes will be internal, so YAML files which create pods and resource claims don't need changes except for the newer
apiVersion
. (kubernetes/kubernetes#116299, @pohly) [SIG API Machinery, Apps, CLI, Node, Scheduling and Testing]SELinuxMountReadWriteOncePod graduated to Beta. (kubernetes/kubernetes#116425, @jsafrane) [SIG Storage and Testing]
StatefulSetAutoDeletePVC feature gate promoted to beta. (kubernetes/kubernetes#116501, @mattcary) [SIG Apps, Auth and Testing]
The API server now re-uses data encryption keys while the kms v2 plugin's key ID is stable. Data encryption keys are still randomly generated on server start but an atomic counter is used to prevent nonce collisions. (kubernetes/kubernetes#116155, @enj) [SIG API Machinery, Auth and Testing]
The API server's encryption at rest configuration now allows the use of wildcards in the list of resources. For example, '.' can be used to encrypt all resources, including all current and future custom resources. (kubernetes/kubernetes#115149, @nilekhc) [SIG API Machinery, Auth and Testing]
Update KMSv2 to beta (kubernetes/kubernetes#115123, @aramase) [SIG API Machinery, Auth and Testing]
Updated: Redefine AppProtocol field description and add new standard values (kubernetes/kubernetes#115433, @LiorLieberman) [SIG API Machinery, Apps and Network]
ValidatingAdmissionPolicy now provides a status field that contains results of type checking the validation expression.
The type checking is fully informational, and the behavior of the policy is unchanged. (kubernetes/kubernetes#115668, @jiahuif) [SIG API Machinery, Auth, Cloud Provider and Testing]
We have removed support for the v1alpha1 kubeletplugin API of DynamicResourceManagement. All plugins must update to v1alpha2 in order to function properly going forward. (kubernetes/kubernetes#116558, @klueska) [SIG API Machinery, Apps, CLI, Node, Scheduling and Testing]
Graduated seccomp profile defaulting to GA.
Set the kubelet
--seccomp-default
flag orseccompDefault
kubelet configuration field totrue
to make pods on that node default to using theRuntimeDefault
seccomp profile.Enabling seccomp for your workload can have a negative performance impact depending on the kernel and container runtime version in use.
Guidance for identifying and mitigating those issues is outlined in the Kubernetes seccomp tutorial. (kubernetes/kubernetes#115719, @saschagrunert) [SIG API Machinery, Node, Storage and Testing]
Implements API for streaming for the watch-cache
When sendInitialEvents ListOption is set together with watch=true, it begins the watch stream with synthetic init events followed by a synthetic "Bookmark" after which the server continues streaming events. (kubernetes/kubernetes#110960, @p0lyn0mial) [SIG API Machinery]
Introduce API for streaming.
Add SendInitialEvents field to the ListOptions. When the new option is set together with watch=true, it begins the watch stream with synthetic init events followed by a synthetic "Bookmark" after which the server continues streaming events. (kubernetes/kubernetes#115402, @p0lyn0mial) [SIG API Machinery]
Kubelet: a "maxParallelImagePulls" field can now be specified in the kubelet configuration file to control how many image pulls the kubelet can perform in parallel. (kubernetes/kubernetes#115220, @ruiwen-zhao) [SIG API Machinery, Node and Scalability]
PodSchedulingReadiness is graduated to beta. (kubernetes/kubernetes#115815, @Huang-Wei) [SIG API Machinery, Apps, Scheduling and Testing]
In-place resize feature for Kubernetes Pods
resources
defined for containers are mutable forcpu
andmemory
resource types.resizePolicy
for containers in a pod to allow users control over how their containers are resized.allocatedResources
field to container status in pod status that describes the node resources allocated to a pod.resources
field to container status that reports actual resources applied to running containers.resize
field to pod status that describes the state of a requested pod resize.For details, see KEPs below. (kubernetes/kubernetes#102884, @vinaykul) [SIG API Machinery, Apps, Instrumentation, Node, Scheduling and Testing]
The PodDisruptionBudget
spec.unhealthyPodEvictionPolicy
field has graduated to beta and is enabled by default. On servers with the feature enabled, this field may be set toAlwaysAllow
to always allow unhealthy pods covered by the PodDisruptionBudget to be evicted. (kubernetes/kubernetes#115363, @ravisantoshgudimetla) [SIG Apps, Auth and Node]The
DownwardAPIHugePages
kubelet feature graduated to stable / GA. (kubernetes/kubernetes#115721, @saschagrunert) [SIG Apps and Node]Volumes:
resource.claims
gets cleared for PVC specs during create or update of a pod spec with inline PVC template or of a PVC because it has no effect. (kubernetes/kubernetes#115928, @pohly) [SIG API Machinery, Apps and Storage]A fix in the resource.k8s.io/v1alpha1/ResourceClaim API avoids harmless (?) ".status.reservedFor: element 0: associative list without keys has an element that's a map type" errors in the apiserver. Validation now rejects the incorrect reuse of the same UID in different entries. (kubernetes/kubernetes#115354, @pohly) [SIG API Machinery]
CacheSize field in EncryptionConfiguration is not supported for KMSv2 provider (kubernetes/kubernetes#113121, @aramase) [SIG API Machinery, Auth and Testing]
K8s.io/client-go/tools/record.EventBroadcaster: after Shutdown() is called, the broadcaster now gives up immediately after a failure to write an event to a sink. Previously it tried multiple times for 12 seconds in a goroutine. (kubernetes/kubernetes#115514, @pohly) [SIG API Machinery]
K8s.io/component-base/logs now also supports adding command line flags to a flag.FlagSet. (kubernetes/kubernetes#114731, @pohly) [SIG Architecture]
Update API reference for Requests, specifying they must not exceed limits (kubernetes/kubernetes#115434, @ehashman) [SIG Architecture, Docs and Node]
/metrics/slis
is made available for control plane components allowing you to scrape health check metrics. (kubernetes/kubernetes#114997, @Richabanker) [SIG API Machinery, Apps, Architecture, Auth, Autoscaling, CLI, Cloud Provider, Cluster Lifecycle, Instrumentation, Network, Node, Release, Scheduling, Storage and Testing]A terminating pod on a node that is not caused by preemption won't prevent kube-scheduler from preempting pods on that node
Added new option to the InterPodAffinity scheduler plugin to ignore existing pods` preferred inter-pod affinities if the incoming pod has no preferred inter-pod affinities. This option can be used as an optimization for higher scheduling throughput (at the cost of an occasional pod being scheduled non-optimally/violating existing pods' preferred inter-pod affinities). To enable this scheduler option, set the InterPodAffinity scheduler plugin arg "ignorePreferredTermsOfExistingPods: true". (kubernetes/kubernetes#114393, @danielvegamyhre) [SIG API Machinery and Scheduling]
Added warnings about workload resources (Pods, ReplicaSets, Deployments, Jobs, CronJobs, or ReplicationControllers) whose names are not valid DNS labels. (kubernetes/kubernetes#114412, @thockin) [SIG API Machinery and Apps]
K8s.io/component-base/logs: usage of the pflag values in a normal Go flag set led to panics when printing the help message (kubernetes/kubernetes#114680, @pohly) [SIG Instrumentation]
Kube-proxy, kube-scheduler and kubelet have HTTP APIs for changing the logging verbosity at runtime. This now also works for JSON output. (kubernetes/kubernetes#114609, @pohly) [SIG API Machinery, Architecture, Cloud Provider, Instrumentation and Testing]
Kubeadm: explicitly set
priority
for static pods withpriorityClassName: system-node-critical
(kubernetes/kubernetes#114338, @champtar) [SIG Cluster Lifecycle]Kubelet: migrate "--container-runtime-endpoint" and "--image-service-endpoint" to kubelet config (kubernetes/kubernetes#112136, @pacoxu) [SIG API Machinery, Node and Scalability]
Kubernetes components that perform leader election now only support using Leases for this. (kubernetes/kubernetes#114055, @aimuz) [SIG API Machinery, Cloud Provider and Scheduling]
StatefulSet names must be DNS labels, rather than subdomains. Any StatefulSet which took advantage of subdomain validation (by having dots in the name) can't possibly have worked, because we eventually set
pod.spec.hostname
from the StatefulSetName, and that is validated as a DNS label. (kubernetes/kubernetes#114172, @thockin) [SIG Apps]The following feature gates for volume expansion GA features have been removed and must no longer be referenced in
--feature-gates
flags: ExpandCSIVolumes, ExpandInUsePersistentVolumes, ExpandPersistentVolumes (kubernetes/kubernetes#113942, @mengjiao-liu) [SIG API Machinery, Apps and Testing]The list-type of the alpha resourceClaims field introduced to Pods in 1.26.0 was modified from "set" to "map", resolving an incompatibility with use of this schema in CustomResourceDefinitions and with server-side apply. (kubernetes/kubernetes#114585, @JoelSpeed) [SIG API Machinery]
v26.1.0
Compare Source
Kubernetes API Version: v1.26.1
Bug or Regression
Feature
idp-certificate-authority
key for the oidc plugin. (#1916, @vgupta3)v25.3.0
Compare Source
Kubernetes API Version: v1.25.3
Feature
idp-certificate-authority
key for the oidc plugin. (#1916, @vgupta3)v24.2.0
Compare Source
Kubernetes API Version: v1.24.2
Uncategorized
_request_timeout
parameter to configure connection and request timeouts. (#1732, @philipp-sontag-by)v23.6.0
Compare Source
Kubernetes API Version: v1.23.6
API Change
selector
field. Prior to 1.21, these requests would mergematchLabels
content and replacematchExpressions
content. In 1.21, patch requests touching theselector
field started replacing the entire selector. This is consistent with server-side apply and the v1 PodDisruptionBudget behavior, but should not have been changed for v1beta1. (kubernetes/kubernetes#108139, @liggitt) [SIG Auth and Testing]v23.3.0
Compare Source
Kubernetes API Version: v1.23.4
v22.6.0
Compare Source
Kubernetes API Version: v1.22.6
Bug or Regression
Feature
utils.create_from_directory
for creating all yaml files in a directory (#1683, @dingyiyi0226)v21.7.0
Compare Source
Kubernetes API Version: v1.21.7
Bug or Regression
v20.13.0
Compare Source
Kubernetes API Version: v1.20.13
v19.15.0
Compare Source
Kubernetes API Version: v1.19.15
Feature
v18.20.0
Compare Source
Kubernetes API Version: 1.18.20
Feature
python2
support will be removed in 18.0.0 beta release. All the tests will usepython3
versions. (kubernetes-client/python-base#238, @Priyankasaggu11929)header_params
parameter, which can be used to customizing API server response, e.g. retrieving object metadata only. (kubernetes-client/python-base#236, @Yashks1994)v17.17.0
Compare Source
Kubernetes API Version: 1.17.17
Changelog since v17.17.0b1:
Bug or Regression
Feature
header_params
parameter, which can be used to customizing API server response, e.g. retrieving object metadata only. ([Support customizing “Accept” header #1428 kubernetes-client/python-base#236](https://github.com/kubernetesConfiguration
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