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v1.16.0-beta.1

Documentation

Downloads for v1.16.0-beta.1

filename sha512 hash
kubernetes.tar.gz 16513ebb52b01afee26156dcd4c449455dc328d7a080ba54b3f3a4584dbd9297025e33a9dafe758b259ae6e33ccb84a18038f6f415e98be298761c4d3dfee94b
kubernetes-src.tar.gz 3933f441ebca812835d6f893ec378896a8adb7ae88ca53247fa402aee1fda00d533301ac806f6bf106badf2f91be8c2524fd98e9757244b4b597c39124c59d01

Client Binaries

filename sha512 hash
kubernetes-client-darwin-386.tar.gz 28f0a8979f956aa5b3be1c1158a3ade1b242aac332696cb604fbdba44c4279caa1008840af01e50692bf48d0342018f882dd6e30f9fe3279e9784094cfc9ff3c
kubernetes-client-darwin-amd64.tar.gz 8804f60b690e5180125cf6ac6d739ad5432b364c5e0d0ee0d2f06220c86ca3a2cffc475e0e3c46c19466e5d1566a5b8bf0a33191cba5bbd3ff27ac64ceee57a0
kubernetes-client-linux-386.tar.gz 8f7f86db5a496afd269b926b6baf341bbd4208f49b48fad1a44c5424812667b3bd7912b5b97bd7844dee2a7c6f9441628f7b5db3caa14429020de7788289191c
kubernetes-client-linux-amd64.tar.gz 7407dc1216cac39f15ca9f75be47c0463a151a3fda7d9843a67c0043c69858fb36eaa6b4194ce5cefd125acd7f521c4b958d446bb0c95ca73a3b3ae47af2c3ee
kubernetes-client-linux-arm.tar.gz 249a82a0af7d8062f49edd9221b3823590b6d166c1bca12c787ae640d6a131bd6a3d7c99136de62074afa6cabe8900dcf4e11037ddbfdf9d5252fc16e256eeb5
kubernetes-client-linux-arm64.tar.gz 3a8416d99b6ae9bb6d568ff15d1783dc521fe58c60230f38126c64a7739bf03d8490a9a10042d1c4ef07290eaced6cb9d42a9728d4b937305d63f8d3cc7a66f8
kubernetes-client-linux-ppc64le.tar.gz 105bf4afeccf0b314673265b969d1a7f3796ca3098afa788c43cd9ff3e14ee409392caa5766631cca180e790d92731a48f5e7156167637b97abc7c178dd390f3
kubernetes-client-linux-s390x.tar.gz 98de73accb7deba9896e14a5012a112f6fd00d6e6868e4d21f61b06605efa8868f1965a1c1ba72bb8847416bc789bd7ef5c1a125811b6c6df060217cd84fdb2c
kubernetes-client-windows-386.tar.gz 7a43f3285b0ab617990497d41ceadfbd2be2b72d433b02508c198e9d380fb5e0a96863cc14d0e9bf0317df13810af1ab6b7c47cd4fa1d0619a00c9536dc60f0f
kubernetes-client-windows-amd64.tar.gz f3fafcffc949bd7f8657dd684c901e199b21c4812009aca1f8cf3c8bf3c3230cab072208d3702d7a248c0b957bc513306dd437fb6a54e1e64b4d7dc8c3c180cd

Server Binaries

filename sha512 hash
kubernetes-server-linux-amd64.tar.gz 87b46e73ae2162ee49f510da6549e57503d3ea94b3c4488f39b0b93d45603f540ece30c3784c5e201711a7ddd1260481cd20ac4c618eaf46879e841d054a115a
kubernetes-server-linux-arm.tar.gz 80ba8e615497c0b9c339fbd2d6a4dda54fdbd5659abd7d8e8d448d8d8c24ba7f0ec48693e4bf8ed20513c46432f2a0f1039ab9044f0ed006b935a58772372d95
kubernetes-server-linux-arm64.tar.gz b4a76a5fc026b4b3b5f9666df05e46896220591b21c147982ff3d91cec7330ed78cf1fc63f5ab759820aadbcfe400c1ad75d5151d9217d42e3da5873e0ff540d
kubernetes-server-linux-ppc64le.tar.gz fb435dfd5514e4cd3bc16b9e71865bff3cdd5123fc272c8cbc5956c260449e0dcfd30d2fdb120da73134e62f48507c5a02d4528d7b9d978765ff4ed740b274e8
kubernetes-server-linux-s390x.tar.gz 65ed3d372a4d03493d0a586c7f67f1236aa99f02552195f1fb58079bc24787200d9a0f34d0c311a846345d0d70d02ad726f74376a91d3ced234bbfdce80c5133

Node Binaries

filename sha512 hash
kubernetes-node-linux-amd64.tar.gz c9161689532a5e995a68bb0985a983dc43d8e747a05f37849cd33062c07e5202417b26bff652b8bc9c0005026618b7ebc56f918c71747a3addb5da044e683b4a
kubernetes-node-linux-arm.tar.gz 7dba9fdb290f33678983c046eb145446edb1b7479c2403f9e8bd835c3d832ab1f2acb28124c53af5b046d47ab433312d6a654f000a22f8e10795b0bc45bfbddb
kubernetes-node-linux-arm64.tar.gz 8c435824667cd9ec7efdfb72c1d060f62ca61b285cbb9575a6e6013e20ec5b379f77f51d43ae21c1778a3eb3ef69df8895213c54e4b9f39c67c929a276be12de
kubernetes-node-linux-ppc64le.tar.gz 2cfca30dbe49a38cd1f3c78135f60bf7cb3dae0a8ec5d7fa651e1c5949254876fbab8a724ed9a13f733a85b9960edcc4cc971dc3c16297db609209c4270f144f
kubernetes-node-linux-s390x.tar.gz 63bbe469ddd1be48624ef5627fef1e1557a691819c71a77d419d59d101e8e6ee391eb8545da35b412b94974c06d73329a13660484ab26087a178f34a827a3dcb
kubernetes-node-windows-amd64.tar.gz 07cb97d5a3b7d0180a9e22696f417422a0c043754c81ae68338aab7b520aa7c119ff53b9ad835f9a0bc9ea8c07483ce506af48d65641dd15d30209a696b064bb

Changelog since v1.16.0-alpha.3

Action Required

  • scheduler.alpha.kubernetes.io/critical-pod annotation is removed. Pod priority (spec.priorityClassName) should be used instead to mark pods as critical. Action required! (#80342, @draveness)
  • Removed cadvisor metric labels pod_name and container_name to match instrumentation guidelines. (#80376, @ehashman)
    • Action required: any Prometheus queries that match pod_name and container_name labels (e.g. cadvisor or kubelet probe metrics) must be updated to use pod and container instead.
  • Remove DirectCodecFactory(replace with serializer.WithoutConversionCodecFactory), DirectEncoder(replace with runtime.WithVersionEncoder) and DirectDecoder(replace with runtime.WithoutVersionDecoder). action required (#79263, @draveness)

Other notable changes

  • fix: detach azure disk issue using dangling error (#81266, @andyzhangx)
  • Conversion webhooks can now indicate they support receiving and responding with ConversionReview API objects in the apiextensions.k8s.io/v1 version by including v1 in the conversionReviewVersions list in their CustomResourceDefinition. Conversion webhooks must respond with a ConversionReview object in the same apiVersion they receive. apiextensions.k8s.io/v1 ConversionReview responses must specify a response.uid that matches the request.uid of the object they were sent. (#81476, @liggitt)
  • The CustomResourceDefinition API type is promoted to apiextensions.k8s.io/v1 with the following changes: (#79604, @liggitt) * Use of the new default feature in validation schemas is limited to v1 * spec.scope is no longer defaulted to Namespaced and must be explicitly specified * spec.version is removed; use spec.versions instead * spec.validation is removed; use spec.versions[*].schema instead * spec.subresources is removed; use spec.versions[*].subresources instead * spec.additionalPrinterColumns is removed; use spec.versions[*].additionalPrinterColumns instead * spec.conversion.webhookClientConfig is moved to spec.conversion.webhook.clientConfig * spec.conversion.conversionReviewVersions is moved to spec.conversion.webhook.conversionReviewVersions * spec.versions[*].schema.openAPIV3Schema is now required when creating v1 CustomResourceDefinitions * spec.preserveUnknownFields: true is disallowed when creating v1 CustomResourceDefinitions; it must be specified within schema definitions as x-kubernetes-preserve-unknown-fields: true * In additionalPrinterColumns items, the JSONPath field was renamed to jsonPath (fixes https://github.com/kubernetes/kubernetes/issues/66531)
  • openapi now advertises correctly supported patch types for custom resources (#81515, @liggitt)
  • Kubelet could be run with no Azure identity without subscriptionId configured now. (#81500, @feiskyer)
    • A sample cloud provider configure is: '{"vmType": "vmss", "useInstanceMetadata": true}'.
  • Volumes specified in a pod but not used in it are no longer unnecessarily formatted, mounted and reported in node.status.volumesInUse. (#81163, @jsafrane)
  • kubeadm: use etcd's /health endpoint for a HTTP liveness probe on localhost instead of having a custom health check using etcdctl (#81385, @neolit123)
  • kubeamd: use the --pod-network-cidr flag to init or use the podSubnet field in the kubeadm config to pass a comma separated list of pod CIDRs. (#79033, @Arvinderpal)
  • Update to use go 1.12.9 (#81489, @BenTheElder)
  • Update Azure SDK + go-autorest API versions (#79574, @justaugustus)
  • Extender bind should respect IsInterested (#79804, @yqwang-ms)
  • Add instruction to setup "Application Default Credentials" to run GCE Windows e2e tests locally. (#81337, @YangLu1031)
  • Scheduler should terminate when it looses leader lock. (#81306, @ravisantoshgudimetla)
  • kubelet now exports an "kubelet_evictions" metric that counts the number of pod evictions carried out by the kubelet to reclaim resources (#81377, @sjenning)
  • Return error when the scoring plugin returns score out of range [0, 100]. (#81015, @draveness)
  • Update to use go 1.12.8 (#81390, @cblecker)
  • kube-proxy --cleanup will return the correct exit code if the cleanup was successful (#78775, @johscheuer)
  • remove iSCSI volume storage cleartext secrets in logs (#81215, @zouyee)
  • Use a named array instead of a score array in normalizing-score phase. (#80901, @draveness)
  • If scheduler extender filtered a not found node, current scheduling round for this pod will just be skipped. (#79641, @yqwang-ms)
  • Update golang/x/net dependency to bring in fixes for CVE-2019-9512, CVE-2019-9514 (#81394, @cblecker)
  • Fixes CVE-2019-11250: client-go header logging (at verbosity levels >= 7) now masks Authorization header contents (#81330, @tedyu)
  • Resolves a transient 404 response to custom resource requests during server startup (#81244, @liggitt)
  • Non nil DataSource entries on PVC's are now displayed as part of describe pvc output. (#76463, @j-griffith)
  • Fix Azure client requests stuck issues on http.StatusTooManyRequests (HTTP Code 429). (#81279, @feiskyer)
  • Implement a new feature that allows applying kustomize patches to static pod manifests generated by kubeadm. (#80905, @fabriziopandini)
  • Add a service annotation service.beta.kubernetes.io/azure-pip-name to specify the public IP name for Azure load balancer. (#81213, @nilo19)
  • Fix a bug in the IPVS proxier where virtual servers are not cleaned up even though the corresponding Service object was deleted. (#80942, @gongguan)
  • Add scheduling support for RuntimeClasses. RuntimeClasses can now specify nodeSelector constraints & tolerations, which are merged into the PodSpec for pods using that RuntimeClass. (#80825, @tallclair)
  • etcd Docker image can be run as non-root (#79722, @randomvariable)
  • kubeadm: the permissions of generated CSR files are changed from 0644 to 0600 (#81217, @SataQiu)
  • Fix conflicted cache when the requests are canceled by other Azure operations. (#81282, @feiskyer)
  • Fix kubelet NodeLease potential performance issues. Kubelet now will try to update lease using cached one instead of get from API Server every time. (#81174, @answer1991)
  • Improves validation errors for custom resources (#81212, @liggitt)
  • Improvement in Kube-proxy. Kube-proxy waits for some duration for the node to be defined. (#77167, @paulsubrata55)
  • hyperkube will drop support for cloud-controller-manager in a future release (#81219, @dims)
  • added an new Prometheus counter metric "sync_proxy_rules_iptables_restore_failures_total" for kube-proxy iptables-restore failures (both ipvs and iptables modes) (#81210, @figo)
  • Add a Patch method to ScaleInterface (#80699, @knight42)
  • switch to VM Update call in attach/detach disk operation, original CreateOrUpdate call may lead to orphaned VMs or blocked resources (#81208, @andyzhangx)
  • Add a azure cloud configuration LoadBalancerName and LoadBalancerResourceGroup to allow the corresponding customizations of azure load balancer. (#81054, @nilo19)
  • Update the GCE windows node image to include hot fixes since July. (#81106, @YangLu1031)
  • Kubelet considers all static pods as critical. Static pods pass kubelet admission even if a node does not have enough resources. Users must ensure that they account for resources when creating static pods. (#80491, @hpandeycodeit)
  • kube-apiserver: the --basic-auth-file flag and authentication mode is deprecated and will be removed in a future release. It is not recommended for production environments. (#81152, @tedyu)
  • Fix a bug that pretty printer marshals empty byte or uint8 slice as null (#81096, @roycaihw)
  • Deprecate the --cloud-provider-gce-lb-src-cidrs flag in the kube-apiserver. This flag will be removed once the GCE Cloud Provider is removed from kube-apiserver. (#81094, @andrewsykim)
  • cloud-controller-manager binaries and docker images are no longer shipped with kubernetes releases. (#81029, @dims)
  • API: the metadata.selfLink field is deprecated in individual and list objects. It will no longer be returned starting in v1.20, and the field will be removed entirely in v1.21. (#80978, @wojtek-t)

v1.16.0-alpha.3

Documentation

Downloads for v1.16.0-alpha.3

filename sha512 hash
kubernetes.tar.gz 82bc119f8d1e44518ab4f4bdefb96158b1a3634c003fe1bc8dcd62410189449fbd6736126409d39a6e2d211a036b4aa98baef3b3c6d9f7505e63430847d127c2
kubernetes-src.tar.gz bbf330b887a5839e3d3219f5f4aa38f1c70eab64228077f846da80395193b2b402b60030741de14a9dd4de963662cfe694f6ab04035309e54dc48e6dddd5c05d

Client Binaries

filename sha512 hash
kubernetes-client-darwin-386.tar.gz 8d509bdc1ca62463cbb25548ec270792630f6a883f3194e5bdbbb3d6f8568b00f695e39950b7b01713f2f05f206c4d1df1959c6ee80f8a3e390eb94759d344b2
kubernetes-client-darwin-amd64.tar.gz 1b00b3a478c210e3c3e6c346f5c4f7f43a00d5ef6acb8d9c1feaf26f913b9d4f97eb6db99bbf67953ef6399abe4fbb79324973c1744a6a8cd76067cb2aeed2ca
kubernetes-client-linux-386.tar.gz 82424207b4ef52c3722436eaaf86dbe5c93c6670fd09c2b04320251028fd1bb75724b4f490b6e8b443bd8e5f892ab64612cd22206119924dafde424bdee9348a
kubernetes-client-linux-amd64.tar.gz 57ba937e58755d3b7dfd19626fedb95718f9c1d44ac1c5b4c8c46d11ba0f8783f3611c7b946b563cac9a3cf104c35ba5605e5e76b48ba2a707d787a7f50f7027
kubernetes-client-linux-arm.tar.gz 3a3601026e019b299a6f662b887ebe749f08782d7ed0d37a807c38a01c6ba19f23e2837c9fb886053ad6e236a329f58a11ee3ec4ba96a8729905ae78a7f6c58c
kubernetes-client-linux-arm64.tar.gz 4cdeb2e678c6b817a04f9f5d92c5c6df88e0f954550961813fca63af4501d04c08e3f4353dd8b6dce96e2ee197a4c688245f03c888417a436b3cf70abd4ba53a
kubernetes-client-linux-ppc64le.tar.gz 0cc7c8f7b48f5affb679352a94e42d8b4003b9ca6f8cbeaf315d2eceddd2e8446a58ba1d4a0df18e8f9c69d0d3b5a46f25b2e6a916e57975381e504d1a4daa1b
kubernetes-client-linux-s390x.tar.gz 9d8fa639f543e707dc65f24ce2f8c73a50c606ec7bc27d17840f45ac150d00b3b3f83de5e3b21f72b598acf08273e4b9a889f199f4ce1b1d239b28659e6cd131
kubernetes-client-windows-386.tar.gz 05bf6e696da680bb8feec4f411f342a9661b6165f4f0c72c069871983f199418c4d4fa1e034136bc8be41c5fecc9934a123906f2d5666c09a876db16ae8c11ad
kubernetes-client-windows-amd64.tar.gz b2097bc851f5d3504e562f68161910098b46c66c726b92b092a040acda965fed01f45e7b9e513a4259c7a5ebd65d7aa3e3b711f4179139a935720d91216ef5c2

Server Binaries

filename sha512 hash
kubernetes-server-linux-amd64.tar.gz 721bd09b64e5c8f220332417089a772d9073c0dc5cdfa240984cfeb0d681b4a02620fb3ebf1b9f6a82a4dd3423f5831c259d4bad502dce87f145e0a08cb73ee9
kubernetes-server-linux-arm.tar.gz e7638ce4b88b4282f0a157593cfe809fa9cc9139ea7ebae4762ef5ac1dfaa516903a8acb34a45937eb94b2699e5d4c68c639cbe40cbed2a6b97681aeace9948e
kubernetes-server-linux-arm64.tar.gz 395566c4be3c2ca5b07e81221b3370bc7ccbef0879f96a9384650fcaf4f699f3b2744ba1d97ae42cc6c5d9e1a65a41a793a8b0c9e01a0a65f57c56b1420f8141
kubernetes-server-linux-ppc64le.tar.gz 90fcba066efd76d2f271a0eb26ed4d90483674d04f5e8cc39ec1e5b7f343311f2f1c40de386f35d3c69759628a1c7c075559c09b6c4542e42fbbe0daeb61a5fa
kubernetes-server-linux-s390x.tar.gz b25014bcf4138722a710451f6e58ee57588b4d47fcceeda8f6866073c1cc08641082ec56e94b0c6d586c0835ce9b55d205d254436fc22a744b24d8c74e8e5cce

Node Binaries

filename sha512 hash
kubernetes-node-linux-amd64.tar.gz 6925a71096530f7114a68e755d07cb8ba714bc60b477360c85d76d7b71d3a3c0b78a650877d81aae35b308ded27c8207b5fe72d990abc43db3aa8a7d6d7f94f4
kubernetes-node-linux-arm.tar.gz 073310e1ccf9a8af998d4c0402ae86bee4f253d2af233b0c45cea55902268c2fe7190a41a990b079e24536e9efa27b94249c3a9236531a166ba3ac06c0f26f92
kubernetes-node-linux-arm64.tar.gz c55e9aecef906e56a6003f441a7d336846edb269aed1c7a31cf834b0730508706e73ea0ae135c1604b0697c9e2582480fbfba8ba105152698c240e324da0cbd2
kubernetes-node-linux-ppc64le.tar.gz e89d72d27bb0a7f9133ef7310f455ba2b4c46e9852c43e0a981b68a413bcdd18de7168eb16d93cf87a5ada6a4958592d3be80c9be1e6895fa48e2f7fa70f188d
kubernetes-node-linux-s390x.tar.gz 6ef8a25f2f80a806672057dc030654345e87d269babe7cf166f7443e04c0b3a9bc1928cbcf5abef1f0f0fcd37f3a727f789887dbbdae62f9d1fd90a71ed26b39
kubernetes-node-windows-amd64.tar.gz 22fd1cea6e0150c06dbdc7249635bbf93c4297565d5a9d13e653f9365cd61a0b8306312efc806d267c47be81621016b114510a269c622cccc916ecff4d10f33c

Changelog since v1.16.0-alpha.2

Action Required

  • ACTION REQUIRED: (#80676, @fabriziopandini)
    • kubeadm now deletes the bootstrap-kubelet.conf file after TLS bootstrap
    • User relying on bootstrap-kubelet.conf should switch to kubelet.conf that contains node credentials

Other notable changes

  • Fixes validation of VolumeAttachment API objects created with inline volume sources. (#80945, @tedyu)
  • Azure disks of shared kind will no longer fail if they do not contain skuname or (#80837, @rmweir)
    • storageaccounttype.
      
  • kubeadm: fix "certificate-authority" files not being pre-loaded when using file discovery (#80966, @neolit123)
  • Errors from pod volume set up are now propagated as pod events. (#80369, @jsafrane)
  • kubeadm: enable secure serving for the kube-scheduler (#80951, @neolit123)
  • Kubernetes client users may disable automatic compression when invoking Kubernetes APIs by setting the DisableCompression field on their rest.Config. This is recommended when clients communicate primarily over high bandwidth / low latency networks where response compression does not improve end to end latency. (#80919, @smarterclayton)
  • kubectl get did not correctly count the number of binaryData keys when listing config maps. (#80827, @smarterclayton)
  • Implement "post-filter" extension point for scheduling framework (#78097, @draveness)
  • Reduces GCE PD Node Attach Limits by 1 since the node boot disk is considered an attachable disk (#80923, @davidz627)
  • This PR fixes an error when using external etcd but storing etcd certificates in the same folder and with the same name used by kubeadm for local etcd certificates; for an older version of kubeadm, the workaround is to avoid file name used by kubeadm for local etcd. (#80867, @fabriziopandini)
  • When specifying --(kube|system)-reserved-cgroup, with --cgroup-driver=systemd, it is now possible to use the fully qualified cgroupfs name (i.e. /test-cgroup.slice). (#78793, @mattjmcnaughton)
  • kubeadm: treat non-fatal errors as warnings when doing reset (#80862, @drpaneas)
  • kube-addon-manager has been updated to v9.0.2 to fix a bug in leader election (https://github.com/kubernetes/kubernetes/pull/80575) (#80861, @mborsz)
  • Determine system model to get credentials for windows nodes. (#80764, @liyanhui1228)
  • TBD (#80730, @jennybuckley)
  • The AdmissionReview API sent to and received from admission webhooks has been promoted to admission.k8s.io/v1. Webhooks can specify a preference for receiving v1 AdmissionReview objects with admissionReviewVersions: ["v1","v1beta1"], and must respond with an API object in the same apiVersion they are sent. When webhooks use admission.k8s.io/v1, the following additional validation is performed on their responses: (#80231, @liggitt) * response.patch and response.patchType are not permitted from validating admission webhooks * apiVersion: "admission.k8s.io/v1" is required * kind: "AdmissionReview" is required * response.uid: "<value of request.uid>" is required * response.patchType: "JSONPatch" is required (if response.patch is set)
  • "kubeadm join" fails if file-based discovery is too long, with a default timeout of 5 minutes. (#80804, @olivierlemasle)
  • enhance Azure cloud provider code to support both AAD and ADFS authentication. (#80841, @rjaini)
  • Attempt to set the kubelet's hostname & internal IP if --cloud-provider=external and no node addresses exists (#75229, @andrewsykim)
  • kubeadm: avoid double deletion of the upgrade prepull DaemonSet (#80798, @xlgao-zju)
  • Fixes problems with connecting to services on localhost on some systems; in particular, DNS queries to systemd-resolved on Ubuntu. (#80591, @danwinship)
  • Implement normalize plugin extension point for the scheduler framework. (#80383, @liu-cong)
  • Fixed the bash completion error with override flags. (#80802, @dtaniwaki)
  • Fix CVE-2019-11247: API server allows access to custom resources via wrong scope (#80750, @sttts)
  • Failed iscsi logout is now re-tried periodically. (#78941, @jsafrane)
  • Fix public IP not found issues for VMSS nodes (#80703, @feiskyer)
  • In order to enable dual-stack support within kubeadm and kubernetes components, as part of the init config file, the user should set feature-gate IPv6DualStack=true in the ClusterConfiguration. Additionally, for each worker node, the user should set the feature-gate for kubelet using either nodeRegistration.kubeletExtraArgs or KUBELET_EXTRA_ARGS. (#80531, @Arvinderpal)
  • Fix error in kubeadm join --discovery-file when using discovery files with embedded credentials (#80675, @fabriziopandini)

v1.16.0-alpha.2

Documentation

Downloads for v1.16.0-alpha.2

filename sha512 hash
kubernetes.tar.gz 7dfa3f8b9e98e528e2b49ed9cca5e95f265b9e102faac636ff0c29e045689145be236b98406a62eb0385154dc0c1233cac049806c99c9e46590cad5aa729183f
kubernetes-src.tar.gz 7cf14b92c96cab5fcda3115ec66b44562ca26ea6aa46bc7fa614fa66bda1bdf9ac1f3c94ef0dfa0e37c992c7187ecf4205b253f37f280857e88a318f8479c9a9

Client Binaries

filename sha512 hash
kubernetes-client-darwin-386.tar.gz 4871756de2cd1add0b07ec1e577c500d18a59e2f761595b939e1d4e10fbe0a119479ecaaf53d75cb2138363deae23cc88cba24fe3018cec6a27a3182f37cae92
kubernetes-client-darwin-amd64.tar.gz dbd9ca5fd90652ffc1606f50029d711eb52d34b707b7c04f29201f85aa8a5081923a53585513634f3adb6ace2bc59be9d4ad2abc49fdc3790ef805378c111e68
kubernetes-client-linux-386.tar.gz 6b049098b1dc65416c5dcc30346b82e5cf69a1cdd7e7b065429a76d302ef4b2a1c8e2dc621e9d5c1a6395a1fbd97f196d99404810880d118576e7b94e5621e4c
kubernetes-client-linux-amd64.tar.gz 7240a9d49e445e9fb0c9d360a9287933c6c6e7d81d6e11b0d645d3f9b6f3f1372cc343f03d10026518df5d6c95525e84c41b06a034c9ec2c9e306323dbd9325b
kubernetes-client-linux-arm.tar.gz 947b0d9aeeef08961c0582b4c3c94b7ae1016d20b0c9f50af5fe760b3573f17497059511bcb57ac971a5bdadeb5c77dfd639d5745042ecc67541dd702ee7c657
kubernetes-client-linux-arm64.tar.gz aff0258a223f5061552d340cda36872e3cd7017368117bbb14dc0f8a3a4db8c715c11743bedd72189cd43082aa9ac1ced64a6337c2f174bdcbeef094b47e76b0
kubernetes-client-linux-ppc64le.tar.gz 3eabecd62290ae8d876ae45333777b2c9959e39461197dbe90e6ba07d0a4c50328cbdf44e77d2bd626e435ffc69593d0e8b807b36601c19dd1a1ef17e6810b4f
kubernetes-client-linux-s390x.tar.gz 6651b2d95d0a8dd748c33c9e8018ab606b4061956cc2b6775bd0b008b04ea33df27be819ce6c391ceb2191b53acbbc088d602ed2d86bdd7a3a3fc1c8f876798a
kubernetes-client-windows-386.tar.gz 4b6c11b7a318e5fcac19144f6ab1638126c299e08c7b908495591674abcf4c7dd16f63c74c7d901beff24006150d2a31e0f75e28a9e14d6d0d88a09dafb014f0
kubernetes-client-windows-amd64.tar.gz 760ae08da6045ae7089fb27a9324e77bed907662659364857e1a8d103d19ba50e80544d8c21a086738b15baebfd9a5fa78d63638eff7bbe725436c054ba649cc

Server Binaries

filename sha512 hash
kubernetes-server-linux-amd64.tar.gz 69db41f3d79aa0581c36a3736ab8dc96c92127b82d3cf25c5effc675758fe713ca7aa7e5b414914f1bc73187c6cee5f76d76b74a2ee1c0e7fa61557328f1b8ef
kubernetes-server-linux-arm.tar.gz ca302f53ee91ab4feb697bb34d360d0872a7abea59c5f28cceefe9237a914c77d68722b85743998ab12bf8e42005e63a1d1a441859c2426c1a8d745dd33f4276
kubernetes-server-linux-arm64.tar.gz 79ab1f0a542ce576ea6d81cd2a7c068da6674177b72f1b5f5e3ca47edfdb228f533683a073857b6bc53225a230d15d3ba4b0cb9b6d5d78a309aa6e24c2f6c500
kubernetes-server-linux-ppc64le.tar.gz fbe5b45326f1d03bcdd9ffd46ab454917d79f629ba23dae9d667d0c7741bc2f5db2960bf3c989bb75c19c9dc1609dacbb8a6dc9a440e5b192648e70db7f68721
kubernetes-server-linux-s390x.tar.gz eb13ac306793679a3a489136bb7eb6588472688b2bb2aa0e54e61647d8c9da6d3589c19e7ac434c24defa78cb65f7b72593eedec1e7431c7ecae872298efc4de

Node Binaries

filename sha512 hash
kubernetes-node-linux-amd64.tar.gz a4bde88f3e0f6233d04f04d380d5f612cd3c574bd66b9f3ee531fa76e3e0f1c6597edbc9fa61251a377e8230bce0ce6dc1cf57fd19080bb7d13f14a391b27fe8
kubernetes-node-linux-arm.tar.gz 7d72aa8c1d883b9f047e5b98dbb662bdfd314f9c06af4213068381ffaac116e68d1aad76327ead7a4fd97976ea72277cebcf765c56b265334cb3a02c83972ec1
kubernetes-node-linux-arm64.tar.gz c9380bb59ba26dcfe1ab52b5cb02e2d920313defda09ec7d19ccbc18f54def4b57cf941ac8a397392beb5836fdc12bc9600d4055f2cfd1319896cfc9631cab10
kubernetes-node-linux-ppc64le.tar.gz 7bcd79b368a62c24465fce7dcb024bb629eae034e09fb522fb43bb5798478ca2660a3ccc596b424325c6f69e675468900f3b41f3924e7ff453e3db40150b3c16
kubernetes-node-linux-s390x.tar.gz 9bda9dd24ee5ca65aaefece4213b46ef57cde4904542d94e6147542e42766f8b80fe24d99a6b8711bd7dbe00c415169a9f258f433c5f5345c2e17c2bb82f2670
kubernetes-node-windows-amd64.tar.gz d5906f229d2d8e99bdb37e7d155d54560b82ea28ce881c5a0cde8f8d20bff8fd2e82ea4b289ae3e58616d3ec8c23ac9b473cb714892a377feb87ecbce156147d

Changelog since v1.16.0-alpha.1

Action Required

  • Revert "scheduler.alpha.kubernetes.io/critical-pod annotation is removed. Pod priority (spec.priorityClassName) should be used instead to mark pods as critical. Action required!" (#80277, @draveness)
  • ACTION REQUIRED: container images tar files for 'amd64' will now contain the architecture in the RepoTags manifest.json section. (#80266, @javier-b-perez)
    • If you are using docker manifests there are not visible changes.

Other notable changes

  • Use HTTPS as etcd-apiserver protocol when mTLS between etcd and kube-apiserver on master is enabled, change etcd metrics/health port to 2382. (#77561, @wenjiaswe)
  • kubelet: change node-lease-renew-interval to 0.25 of lease-renew-duration (#80429, @gaorong)
  • Fix error handling and potential go null pointer exception in kubeadm upgrade diff (#80648, @odinuge)
  • New flag --endpoint-updates-batch-period in kube-controller-manager can be used to reduce number of endpoints updates generated by pod changes. (#80509, @mborsz)
  • kubeadm: produce errors if they occur when resetting cluster status for a control-plane node (#80573, @bart0sh)
  • When a load balancer type service is created in a k8s cluster that is backed by Azure Standard Load Balancer, the corresponding load balancer rule added in the Azure Standard Load Balancer would now have the "EnableTcpReset" property set to true. (#80624, @xuto2)
  • Update portworx plugin dependency on libopenstorage/openstorage to v1.0.0 (#80495, @adityadani)
  • Fixed detachment of deleted volumes on OpenStack / Cinder. (#80518, @jsafrane)
  • when PodInfoOnMount is enabled for a CSI driver, the new csi.storage.k8s.io/ephemeral parameter in the volume context allows a driver's NodePublishVolume implementation to determine on a case-by-case basis whether the volume is ephemeral or a normal persistent volume (#79983, @pohly)
  • Update gogo/protobuf to serialize backward, as to get better performance on deep objects. (#77355, @apelisse)
  • Remove GetReference() and GetPartialReference() function from pkg/api/ref, as the same function exists also in staging/src/k8s.io/client-go/tools/ref (#80361, @wojtek-t)
  • Fixed a bug in the CSI metrics that does not return not supported error when a CSI driver does not support metrics. (#79851, @jparklab)
  • Fixed a bug in kube-addon-manager's leader election logic that made all replicas active. (#80575, @mborsz)
  • Kibana has been slightly revamped/improved in the latest version (#80421, @lostick)
  • kubeadm: fixed ignoring errors when pulling control plane images (#80529, @bart0sh)
  • CRDs under k8s.io and kubernetes.io must have the "api-approved.kubernetes.io" set to either unapproved.* or a link to the pull request approving the schema. See https://github.com/kubernetes/enhancements/pull/1111 for more details. (#79992, @deads2k)
  • Reduce kube-proxy cpu usage in IPVS mode when a large number of nodePort services exist. (#79444, @cezarsa)
  • Add CSI Migration Shim for VerifyVolumesAreAttached and BulkVolumeVerify (#80443, @davidz627)
  • Fix a bug that causes DaemonSet rolling update hang when there exist failed pods. (#78170, @DaiHao)
  • Fix retry issues when the nodes are under deleting on Azure (#80419, @feiskyer)
  • Add support for AWS EBS on windows (#79552, @wongma7)
  • Passing an invalid policy name in the --cpu-manager-policy flag will now cause the kubelet to fail instead of simply ignoring the flag and running the cpumanagers default policy instead. (#80294, @klueska)
  • Add Filter extension point to the scheduling framework. (#78477, @YoubingLi)
  • cpuUsageNanoCores is now reported in the Kubelet summary API on Windows nodes (#80176, @liyanhui1228)
  • []TopologySpreadConstraint is introduced into PodSpec to support the "Even Pods Spread" alpha feature. (#77327, @Huang-Wei)
  • kubeadm: fall back to client version in case of certain HTTP errors (#80024, @RainbowMango)
  • NFS Drivers are now enabled to collect metrics, StatFS metrics provider is used to collect the metrics. (#75805 , @brahmaroutu) (#75805, @brahmaroutu)
  • make node lease renew interval more heuristic based on node-status-update-frequency in kubelet (#80173, @gaorong)
  • Introduction of the pod overhead feature to the scheduler. This functionality is alpha-level as of (#78319, @egernst)
    • Kubernetes v1.16, and is only honored by servers that enable the PodOverhead feature.gate.
  • N/A (#80260, @khenidak)
  • Add v1.Container.SecurityContext.WindowsOptions.RunAsUserName to the pod spec (#79489, @bclau)
  • Pass-through volume MountOptions to global mount (NodeStageVolume) on the node for CSI (#80191, @davidz627)
  • Add Score extension point to the scheduling framework. (#79109, @ahg-g)

v1.16.0-alpha.1

Documentation

Downloads for v1.16.0-alpha.1

filename sha512 hash
kubernetes.tar.gz 4834c52267414000fa93c0626bded5a969cf65d3d4681c20e5ae2c5f62002a51dfb8ee869484f141b147990915ba57be96108227f86c4e9f571b4b25e7ed0773
kubernetes-src.tar.gz 9329d51f5c73f830f3c895c2601bc78e51d2d412b928c9dae902e9ba8d46338f246a79329a27e4248ec81410ff103510ba9b605bb03e08a48414b2935d2c164b

Client Binaries

filename sha512 hash
kubernetes-client-darwin-386.tar.gz 3cedffb92a0fca4f0b2d41f8b09baa59dff58df96446e8eece4e1b81022d9fdda8da41b5f73a3468435474721f03cffc6e7beabb25216b089a991b68366c73bc
kubernetes-client-darwin-amd64.tar.gz 14de6bb296b4d022f50778b160c98db3508c9c7230946e2af4eb2a1d662d45b86690e9e04bf3e592ec094e12bed1f2bb74cd59d769a0eaac3c81d9b80e0a79c8
kubernetes-client-linux-386.tar.gz 8b2b9fa55890895239b99fabb866babe50aca599591db1ecf9429e49925ae478b7c813b9d7704a20f41f2d50947c3b3deecb594544f1f3eae6c4e97ae9bb9b70
kubernetes-client-linux-amd64.tar.gz e927ac7b314777267b95e0871dd70c352ec0fc967ba221cb6cba523fa6f18d9d193e4ce92a1f9fa669f9c961de0e34d69e770ef745199ed3693647dd0d692e57
kubernetes-client-linux-arm.tar.gz 4a230a6d34e2ffd7df40c5b726fbcbb7ef1373d81733bfb75685b2448ed181eb49ef27668fc33700f30de88e5bbdcc1e52649b9d31c7940760f48c6e6eb2f403
kubernetes-client-linux-arm64.tar.gz 87c8d7185df23b3496ceb74606558d895a64daf0c41185c833a233e29216131baac6e356a57bb78293ed9d0396966ecc3b00789f2b66af352dc286b101bcc69a
kubernetes-client-linux-ppc64le.tar.gz 16ea5efa2fc29bc7448a609a7118e7994e901ab26462aac52f03b4851d4c9d103ee12d2335360f8aa503ddbb2a71f3000f0fcb33597dd813df4f5ad5f4819fa9
kubernetes-client-linux-s390x.tar.gz 7390ad1682227a70550b20425fa5287fecf6a5d413493b03df3a7795614263e7883f30f3078bbb9fbd389d2a1dab073f8f401be89b82bd5861fa6b0aeda579eb
kubernetes-client-windows-386.tar.gz 88251896dfe38e59699b879f643704c0195e7a5af2cb00078886545f49364a2e3b497590781f135b80d60e256bad3a4ea197211f4f061c98dee096f0845e7a9b
kubernetes-client-windows-amd64.tar.gz 766b2a9bf097e45b2549536682cf25129110bd0562ab0df70e841ff8657dd7033119b0929e7a213454f90594b19b90fa57d89918cee33ceadba7d689449fe333

Server Binaries

filename sha512 hash
kubernetes-server-linux-amd64.tar.gz dfd5c2609990c9b9b94249c654931b240dc072f2cc303e1e1d6dec1fddfb0a9e127e3898421ace00ab1947a3ad2f87cfd1266fd0b6193ef00f942269388ef372
kubernetes-server-linux-arm.tar.gz 7704c2d3c57950f184322263ac2be1649a0d737d176e7fed1897031d0efb8375805b5f12c7cf9ba87ac06ad8a635d6e399382d99f3cbb418961a4f0901465f50
kubernetes-server-linux-arm64.tar.gz fbbd87cc38cfb6429e3741bfd87ecec4b69b551df6fb7c121900ced4c1cd0bc77a317ca8abd41f71ffd7bc0b1c7144fecb22fa405d0b211b238df24d28599333
kubernetes-server-linux-ppc64le.tar.gz cfed5b936eb2fe44df5d0c9c6484bee38ef370fb1258522e8c62fb6a526e9440c1dc768d8bf33403451ae00519cab1450444da854fd6c6a37665ce925c4e7d69
kubernetes-server-linux-s390x.tar.gz 317681141734347260ad9f918fa4b67e48751f5a7df64a848d2a83c79a4e9dba269c51804b09444463ba88a2c0efa1c307795cd8f06ed840964eb2c725a4ecc3

Node Binaries

filename sha512 hash
kubernetes-node-linux-amd64.tar.gz b3b1013453d35251b8fc4759f6ac26bdeb37f14a98697078535f7f902e8ebca581b5629bbb4493188a7e6077eb5afc61cf275f42bf4d9f503b70bfc58b9730b2
kubernetes-node-linux-arm.tar.gz 0bacc1791d260d2863ab768b48daf66f0f7f89eeee70e68dd515b05fc9d7f14b466382fe16fa84a103e0023324f681767489d9485560baf9eb80fe0e7ffab503
kubernetes-node-linux-arm64.tar.gz 73bd70cb9d27ce424828a95d715c16fd9dd22396dbe1dfe721eb0aea9e186ec46e6978956613b0978a8da3c22df39790739b038991c0192281881fce41d7c9f1
kubernetes-node-linux-ppc64le.tar.gz a865f98838143dc7e1e12d1e258e5f5f2855fcf6e88488fb164ad62cf886d8e2a47fdf186ad6b55172f73826ae19da9b2642b9a0df0fa08f9351a66aeef3cf17
kubernetes-node-linux-s390x.tar.gz d2f9f746ed0fe00be982a847a3ae1b6a698d5c506be1d3171156902140fec64642ec6d99aa68de08bdc7d65c9a35ac2c36bda53c4db873cb8e7edc419a4ab958
kubernetes-node-windows-amd64.tar.gz 37f48a6d8174f38668bc41c81222615942bfe07e01f319bdfed409f83a3de3773dceb09fd86330018bb05f830e165e7bd85b3d23d26a50227895e4ec07f8ab98

Changelog since v1.15.0

Action Required

  • Migrate scheduler to use v1beta1 Event API. action required: any tool targeting scheduler events needs to use v1beta1 Event API (#78447, @yastij)
  • scheduler.alpha.kubernetes.io/critical-pod annotation is removed. Pod priority (spec.priorityClassName) should be used instead to mark pods as critical. Action required! (#79554, @draveness)
  • hyperkube: the --make-symlinks flag, deprecated in v1.14, has been removed. (#80017, @Pothulapati)
  • Node labels beta.kubernetes.io/metadata-proxy-ready, beta.kubernetes.io/metadata-proxy-ready and beta.kubernetes.io/kube-proxy-ds-ready are no longer added on new nodes. (#79305, @paivagustavo) * ip-mask-agent addon starts to use the label node.kubernetes.io/masq-agent-ds-ready instead of beta.kubernetes.io/masq-agent-ds-ready as its node selector. * kube-proxy addon starts to use the label node.kubernetes.io/kube-proxy-ds-ready instead of beta.kubernetes.io/kube-proxy-ds-ready as its node selector. * metadata-proxy addon starts to use the label cloud.google.com/metadata-proxy-ready instead of beta.kubernetes.io/metadata-proxy-ready as its node selector. * Kubelet removes the ability to set kubernetes.io or k8s.io labels via --node-labels other than the specifically allowed labels/prefixes.
  • The following APIs are no longer served by default: (#70672, @liggitt) * All resources under apps/v1beta1 and apps/v1beta2 - use apps/v1 instead * daemonsets, deployments, replicasets resources under extensions/v1beta1 - use apps/v1 instead * networkpolicies resources under extensions/v1beta1 - use networking.k8s.io/v1 instead * podsecuritypolicies resources under extensions/v1beta1 - use policy/v1beta1 instead
    • Serving these resources can be temporarily re-enabled using the --runtime-config apiserver flag.
      • apps/v1beta1=true
      • apps/v1beta2=true
      • extensions/v1beta1/daemonsets=true,extensions/v1beta1/deployments=true,extensions/v1beta1/replicasets=true,extensions/v1beta1/networkpolicies=true,extensions/v1beta1/podsecuritypolicies=true
    • The ability to serve these resources will be completely removed in v1.18.
  • ACTION REQUIRED: Removed deprecated flag --resource-container from kube-proxy. (#78294, @vllry)
    • The deprecated --resource-container flag has been removed from kube-proxy, and specifying it will now cause an error. The behavior is now as if you specified --resource-container="". If you previously specified a non-empty --resource-container, you can no longer do so as of kubernetes 1.16.

Other notable changes

  • When HPAScaleToZero feature gate is enabled HPA supports scaling to zero pods based on object or external metrics. HPA remains active as long as at least one metric value available. (#74526, @DXist)
    • To downgrade the cluster to version that does not support scale-to-zero feature:
      1. make sure there are no hpa objects with minReplicas=0. Here is a oneliner to update it to 1:
    • $ kubectl get hpa --all-namespaces  --no-headers=true | awk  '{if($6==0) printf "kubectl patch hpa/%s --namespace=%s -p \"{\\"spec\\":{\\"minReplicas\\":1}}\"
      

", $2, $1 }' | sh * 2. disable HPAScaleToZero feature gate

  • Add support for writing out of tree custom scheduler plugins. (#78162, @hex108)
  • Remove deprecated github.com/kardianos/osext dependency (#80142, @loqutus)
  • Add Bind extension point to the scheduling framework. (#79313, @chenchun)
  • On Windows systems, %USERPROFILE% is now preferred over %HOMEDRIVE%%HOMEPATH% as the home folder if %HOMEDRIVE%%HOMEPATH% does not contain a .kube* Add --kubernetes-version to "kubeadm init phase certs ca" and "kubeadm init phase kubeconfig" (#80115, @gyuho)
  • kubeadm ClusterConfiguration now supports featureGates: IPv6DualStack: true (#80145, @Arvinderpal)
  • Fix a bug that ListOptions.AllowWatchBookmarks wasn't propagating correctly in kube-apiserver. (#80157, @wojtek-t)
  • Bugfix: csi plugin supporting raw block that does not need attach mounted failed (#79920, @cwdsuzhou)
  • Increase log level for graceful termination to v=5 (#80100, @andrewsykim)
  • kubeadm: support fetching configuration from the original cluster for 'upgrade diff' (#80025, @SataQiu)
  • The sample-apiserver gains support for OpenAPI v2 spec serving at /openapi/v2. (#79843, @sttts)
    • The generate-internal-groups.sh script in k8s.io/code-generator will generate OpenAPI definitions by default in pkg/generated/openapi. Additional API group dependencies can be added via OPENAPI_EXTRA_PACKAGES=<group>/<version> <group2>/<version2>....
  • Cinder and ScaleIO volume providers have been deprecated and will be removed in a future release. (#80099, @dims)
  • kubelet's --containerized flag was deprecated in 1.14. This flag is removed in 1.16. (#80043, @dims)
  • Optimize EC2 DescribeInstances API calls in aws cloud provider library by querying instance ID instead of EC2 filters when possible (#78140, @zhan849)
  • etcd migration image no longer supports etcd2 version. (#80037, @dims)
  • Promote WatchBookmark feature to beta and enable it by default. (#79786, @wojtek-t)
    • With WatchBookmark feature, clients are able to request watch events with BOOKMARK type. Clients should not assume bookmarks are returned at any specific interval, nor may they assume the server will send any BOOKMARK event during a session.
  • update to use go 1.12.7 (#79966, @tao12345666333)
  • Add --shutdown-delay-duration to kube-apiserver in order to delay a graceful shutdown. /healthz will keep returning success during this time and requests are normally served, but /readyz will return faillure immediately. This delay can be used to allow the SDN to update iptables on all nodes and stop sending traffic. (#74416, @sttts)
  • The MutatingWebhookConfiguration and ValidatingWebhookConfiguration APIs have been promoted to admissionregistration.k8s.io/v1: (#79549, @liggitt) * failurePolicy default changed from Ignore to Fail for v1 * matchPolicy default changed from Exact to Equivalent for v1 * timeout default changed from 30s to 10s for v1 * sideEffects default value is removed and the field made required for v1 * admissionReviewVersions default value is removed and the field made required for v1 (supported versions for AdmissionReview are v1 and v1beta1) * The name field for specified webhooks must be unique for MutatingWebhookConfiguration and ValidatingWebhookConfiguration objects created via admissionregistration.k8s.io/v1
    • The admissionregistration.k8s.io/v1beta1 versions of MutatingWebhookConfiguration and ValidatingWebhookConfiguration are deprecated and will no longer be served in v1.19.
  • The garbage collector and generic object quota controller have been updated to use the metadata client which improves memory (#78742, @smarterclayton)
    • and CPU usage of the Kube controller manager.
  • SubjectAccessReview requests sent for RBAC escalation, impersonation, and pod security policy authorization checks now populate the version attribute. (#80007, @liggitt)
  • na (#79892, @mikebrow)
  • Use O_CLOEXEC to ensure file descriptors do not leak to subprocesses. (#74691, @cpuguy83)
  • The namespace controller has been updated to use the metadata client which improves memory (#78744, @smarterclayton)
    • and CPU usage of the Kube controller manager.
  • NONE (#79933, @mm4tt)
  • add kubectl replace --raw and kubectl delete --raw to have parity with create and get (#79724, @deads2k)
  • E2E tests no longer add command line flags directly to the command line, test suites that want that need to be updated if they don't use HandleFlags (#75593, @pohly)
    • loading a -viper-config=e2e.yaml with suffix (introduced in 1.13) works again and now has a regression test
  • Kubernetes now supports transparent compression of API responses. Clients that send Accept-Encoding: gzip will now receive a GZIP compressed response body if the API call was larger than 128KB. Go clients automatically request gzip-encoding by default and should see reduced transfer times for very large API requests. Clients in other languages may need to make changes to benefit from compression. (#77449, @smarterclayton)
  • Resolves an issue serving aggregated APIs backed by services that respond to requests to / with non-2xx HTTP responses (#79895, @deads2k)
  • updated fluentd to 1.5.1, elasticsearchs & kibana to 7.1.1 (#79014, @monotek)
  • kubeadm: implement support for concurrent add/remove of stacked etcd members (#79677, @neolit123)
  • Added a metric 'apiserver_watch_events_total' that can be used to understand the number of watch events in the system. (#78732, @mborsz)
  • KMS Providers will install a healthz check for the status of kms-pluign in kube-apiservers' encryption config. (#78540, @immutableT)
  • Fixes a bug in openapi published for custom resources using x-kubernetes-preserve-unknown-fields extensions, so that kubectl will allow sending unknown fields for that portion of the object. (#79636, @liggitt)
  • A new client k8s.io/client-go/metadata.Client has been added for accessing objects generically. This client makes it easier to retrieve only the metadata (the metadata sub-section) from resources on the cluster in an efficient manner for use cases that deal with objects generically, like the garbage collector, quota, or the namespace controller. The client asks the server to return a meta.k8s.io/v1 PartialObjectMetadata object for list, get, delete, watch, and patch operations on both normal APIs and custom resources which can be encoded in protobuf for additional work. If the server does not yet support this API the client will gracefully fall back to JSON and transform the response objects into PartialObjectMetadata. (#77819, @smarterclayton)
  • changes timeout value in csi plugin from 15s to 2min which fixes the timeout issue (#79529, @andyzhangx)
  • kubeadm: provide "--control-plane-endpoint" flag for controlPlaneEndpoint (#79270, @SataQiu)
  • Fixes invalid "time stamp is the future" error when kubectl cp-ing a file (#73982, @tanshanshan)
  • Kubelet should now more reliably report the same primary node IP even if the set of node IPs reported by the CloudProvider changes. (#79391, @danwinship)
  • To configure controller manager to use ipv6dual stack: (#73977, @khenidak)
    • use --cluster-cidr=",".

    • Notes:

      1. Only the first two cidrs are used (soft limits for Alpha, might be lifted later on).
      1. Only the "RangeAllocator" (default) is allowed as a value for --cidr-allocator-type . Cloud allocators are not compatible with ipv6dualstack
  • When using the conformance test image, a new environment variable E2E_USE_GO_RUNNER will cause the tests to be run with the new Golang-based test runner rather than the current bash wrapper. (#79284, @johnSchnake)
  • kubeadm: prevent PSP blocking of upgrade image prepull by using a non-root user (#77792, @neolit123)
  • kubelet now accepts a --cni-cache-dir option, which defaults to /var/lib/cni/cache, where CNI stores cache files. (#78908, @dcbw)
  • Update Azure API versions (containerregistry --> 2018-09-01, network --> 2018-08-01) (#79583, @justaugustus)
  • Fix possible fd leak and closing of dirs in doSafeMakeDir (#79534, @odinuge)
  • kubeadm: fix the bug that "--cri-socket" flag does not work for kubeadm reset (#79498, @SataQiu)
  • kubectl logs --selector will support --tail=-1. (#74943, @JishanXing)
  • Introduce a new admission controller for RuntimeClass. Initially, RuntimeClass will be used to apply the pod overhead associated with a given RuntimeClass to the Pod.Spec if a corresponding RuntimeClassName is specified. (#78484, @egernst)
    • PodOverhead is an alpha feature as of Kubernetes 1.16.
  • Fix kubelet errors in AArch64 with huge page sizes smaller than 1MiB (#78495, @odinuge)
  • The alpha metadata.initializers field, deprecated in 1.13, has been removed. (#79504, @yue9944882)
  • Fix duplicate error messages in cli commands (#79493, @odinuge)
  • Default resourceGroup should be used when the value of annotation azure-load-balancer-resource-group is an empty string. (#79514, @feiskyer)
  • Fixes output of kubectl get --watch-only when watching a single resource (#79345, @liggitt)
  • RateLimiter add a context-aware method, fix client-go request goruntine backlog in async timeout scene. (#79375, @answer1991)
  • Fix a bug where kubelet would not retry pod sandbox creation when the restart policy of the pod is Never (#79451, @yujuhong)
  • Fix CRD validation error on 'items' field. (#76124, @tossmilestone)
  • The CRD handler now properly re-creates stale CR storage to reflect CRD update. (#79114, @roycaihw)
  • Integrated volume limits for in-tree and CSI volumes into one scheduler predicate. (#77595, @bertinatto)
  • Fix a bug in server printer that could cause kube-apiserver to panic. (#79349, @roycaihw)
  • Mounts /home/kubernetes/bin/nvidia/vulkan/icd.d on the host to /etc/vulkan/icd.d inside containers requesting GPU. (#78868, @chardch)
  • Remove CSIPersistentVolume feature gates (#79309, @draveness)
  • Init container resource requests now impact pod QoS class (#75223, @sjenning)
  • Correct the maximum allowed insecure bind port for the kube-scheduler and kube-apiserver to 65535. (#79346, @ncdc)
  • Fix remove the etcd member from the cluster during a kubeadm reset. (#79326, @bradbeam)
  • Remove KubeletPluginsWatcher feature gates (#79310, @draveness)
  • Remove HugePages, VolumeScheduling, CustomPodDNS and PodReadinessGates feature flags (#79307, @draveness)
  • The GA PodPriority feature gate is now on by default and cannot be disabled. The feature gate will be removed in v1.18. (#79262, @draveness)
  • Remove pids cgroup controller requirement when related feature gates are disabled (#79073, @rafatio)
  • Add Bind extension point of the scheduling framework (#78513, @chenchun)
  • if targetPort is changed that will process by service controller (#77712, @Sn0rt)
  • update to use go 1.12.6 (#78958, @tao12345666333)
  • kubeadm: fix a potential panic if kubeadm discovers an invalid, existing kubeconfig file (#79165, @neolit123)
  • fix kubelet fail to delete orphaned pod directory when the kubelet's pods directory (default is "/var/lib/kubelet/pods") symbolically links to another disk device's directory (#79094, @gaorong)
  • Addition of Overhead field to the PodSpec and RuntimeClass types as part of the Pod Overhead KEP (#76968, @egernst)
  • fix pod list return value of framework.WaitForPodsWithLabelRunningReady (#78687, @pohly)
  • The behavior of the default handler for 404 requests fro the GCE Ingress load balancer is slightly modified in the sense that it now exports metrics using prometheus. The metrics exported include: (#79106, @vbannai)
      • http_404_request_total (the number of 404 requests handled)
      • http_404_request_duration_ms (the amount of time the server took to respond in ms)
    • Also includes percentile groupings. The directory for the default 404 handler includes instructions on how to enable prometheus for monitoring and setting alerts.
  • The kube-apiserver has improved behavior for both startup and shutdown sequences and also now exposes eadyz for readiness checking. Readyz includes all existing healthz checks but also adds a shutdown check. When a cluster admin initiates a shutdown, the kube-apiserver will try to process existing requests (for the duration of request timeout) before killing the apiserver process. (#78458, @logicalhan)
    • The apiserver also now takes an optional flag "--maximum-startup-sequence-duration". This allows you to explicitly define an upper bound on the apiserver startup sequences before healthz begins to fail. By keeping the kubelet liveness initial delay short, this can enable quick kubelet recovery as soon as we have a boot sequence which has not completed in our expected time frame, despite lack of completion from longer boot sequences (like RBAC). Kube-apiserver behavior when the value of this flag is zero is backwards compatible (this is as the defaulted value of the flag).
  • fix: make azure disk URI as case insensitive (#79020, @andyzhangx)
  • Enable cadvisor ProcessMetrics collecting. (#79002, @jiayingz)
  • Fixes a bug where kubectl set config hangs and uses 100% CPU on some invalid property names (#79000, @pswica)
  • Fix a string comparison bug in IPVS graceful termination where UDP real servers are not deleted. (#78999, @andrewsykim)
  • Reflector watchHandler Warning log 'The resourceVersion for the provided watch is too old.' is now logged as Info. (#78991, @sallyom)
  • fix a bug that pods not be deleted from unmatched nodes by daemon controller (#78974, @DaiHao)
  • NONE (#78821, @jhedev)
  • Volume expansion is enabled in the default GCE storageclass (#78672, @msau42)
  • kubeadm: use the service-cidr flag to pass the desired service CIDR to the kube-controller-manager via its service-cluster-ip-range flag. (#78625, @Arvinderpal)
  • kubeadm: introduce deterministic ordering for the certificates generation in the phase command "kubeadm init phase certs" . (#78556, @neolit123)
  • Add Pre-filter extension point to the scheduling framework. (#78005, @ahg-g)
  • fix pod stuck issue due to corrupt mnt point in flexvol plugin, call Unmount if PathExists returns any error (#75234, @andyzhangx)
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