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v1.17.0-alpha.2

Documentation

Downloads for v1.17.0-alpha.2

filename sha512 hash
kubernetes.tar.gz 37583337b992d9a5ebe5a4677e08c13617b8b9db9ee8f049773b624351c00acacf02daca2f87a357aaa75edcc3a4db2c64e6a7da502a6153d06e228ff6be6006
kubernetes-src.tar.gz a44fee5be20c7fb64c58d0a69377074db05ec6889892c93ce970406cb393a1fde60a75612e74802cb2e0085b6357183c1f30e4b322dacf6f30597ab5fd5948f9

Client Binaries

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Server Binaries

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kubernetes-server-linux-arm.tar.gz ff71c9a3f81f2e43d541b9b043e5f43fd30972c2b0ae5d9f3992f76effdcab2d027835844109ee3b501e365994f97aa5b6528a9d23db8ec3f05af6cb6d0e01d0
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kubernetes-server-linux-ppc64le.tar.gz ad980f5efe83da1f2a202035eb1cff44ea72692fc3fc5f7d23fd8fc3b80a6797dbb263cc240d8fd2cde80a786b48352127f52c0a1db02e9d09a44440c1704406
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Node Binaries

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kubernetes-node-windows-amd64.tar.gz 4c15c7c30de0f9d921b534433332b14eb685ad8a3a416315def1cc1064b802227ea4b556bc53a68d75be898b49acadee8317a2355635a69d1c4d305d890e5009

Changelog since v1.17.0-alpha.1

Action Required

  • Expand scheduler priority functions and scheduling framework plugins' node score range to [0, 100]. action required. Note: this change is internal and does not affect extender and RequestedToCapacityRatio custom priority, which are still expected to provide a [0, 10] range. (#83522, @draveness)
  • action required: kubeadm: when adding extra apiserver authorization-modes, the defaults "Node,RBAC" are no longer prepended in the resulting static Pod manifests and a full override is allowed. (#82616, @ghouscht)
  • ACTION REQUIRED: kubeadm: properly enable kubelet client certificate rotation on primary control-plane nodes, created using "kubeadm init". A side effect of this change is that for external CA users, kubeadm now requires "bootstrap-kubelet.conf" instead of "kubelet.conf" during "kubeadm init" and its phases. (#83339, @neolit123)
  • Action Required: kubeadm.k8s.io/v1beta1 has been deprecated, you should update your config to use newer non-deprecated API versions. (#83276, @Klaven)

Other notable changes

  • [migration phase 1] PodFitsHostPorts as filter plugin (#83659, @wgliang)
  • [migration phase 1] PodFitsResources as framework plugin (#83650, @wgliang)
  • Fixed attachment of AWS volumes that have just been detached. (#83567, @jsafrane)
  • [migration phase 1] PodMatchNodeSelector/NodAffinity as filter plugin (#83660, @wgliang)
  • Upgrade to etcd client 3.3.17 to fix bug where etcd client does not parse IPv6 addresses correctly when members are joining, and to fix bug where failover on multi-member etcd cluster fails certificate check on DNS mismatch (#83801, @jpbetz)
  • Fixed panic when accessing CustomResources of a CRD with x-kubernetes-int-or-string. (#83787, @sttts)
  • Change pod_preemption_victims metric from Gauge to Histogram. (#83603, @Tabrizian)
  • Expose SharedInformerFactory in the framework handle (#83663, @draveness)
  • Add more tracing steps in generic_scheduler (#83539, @wgliang)
  • [migration phase 1] PodFitsHost as filter plugin (#83662, @wgliang)
  • The topology manager aligns resources for pods of all QoS classes with respect to NUMA locality, not just Guaranteed QoS pods. (#83492, @ConnorDoyle)
  • Fix unsafe JSON construction in a number of locations in the codebase (#81158, @zouyee)
  • Fixed a bug in the single-numa-node policy of the TopologyManager. Previously, pods that only requested CPU resources and did not request any third-party devices would fail to launch with a TopologyAffinity error. Now they will launch successfully. (#83697, @klueska)
  • Add per-pod scheduling metrics across 1 or more schedule attempts. (#83674, @liu-cong)
  • Fix validation message to mention bytes, not characters. (#80880, @DirectXMan12)
  • external facing APIs in pluginregistration and deviceplugin packages are now available under k8s.io/kubelet/pkg/apis/ (#83551, @dims)
  • Fix error where metrics related to dynamic kubelet config isn't registered (#83184, @odinuge)
  • The VolumeSubpathEnvExpansion feature is graduating to GA. The VolumeSubpathEnvExpansion feature gate is unconditionally enabled, and will be removed in v1.19. (#82578, @kevtaylor)
  • Openstack: Do not delete managed LB in case of security group reconciliation errors (#82264, @multi-io)
  • The mutating and validating admission webhook plugins now read configuration from the admissionregistration.k8s.io/v1 API. (#80883, @liggitt)
  • kubeadm: implemented structured output of 'kubeadm token list' in JSON, YAML, Go template and JsonPath formats (#78764, @bart0sh)
  • kube-proxy: a configuration file specified via --config is now loaded with strict deserialization, which fails if the config file contains duplicate or unknown fields. This protects against accidentally running with config files that are malformed, mis-indented, or have typos in field names, and getting unexpected behavior. (#82927, @obitech)
  • Add "podInitialBackoffDurationSeconds" and "podMaxBackoffDurationSeconds" to the scheduler config API (#81263, @draveness)
  • Authentication token cache size is increased (from 4k to 32k) to support clusters with many nodes or many namespaces with active service accounts. (#83643, @lavalamp)
  • Bumps the minimum version of Go required for building Kubernetes to 1.12.4. (#83596, @jktomer)
  • kube-proxy iptables probabilities are now more granular and will result in better distribution beyond 319 endpoints. (#83599, @robscott)
  • Fixed the bug that deleted services were processed by EndpointSliceController repeatedly even their cleanup were successful. (#82996, @tnqn)
  • If a bad flag is supplied to a kubectl command, only a tip to run --help is printed, instead of the usage menu. Usage menu is printed upon running kubectl command --help. (#82423, @sallyom)
  • If container fails because ContainerCannotRun, do not utilize the FallbackToLogsOnError TerminationMessagePolicy, as it masks more useful logs. (#81280, @yqwang-ms)
  • Fixed cleanup of raw block devices after kubelet restart. (#83451, @jsafrane)
  • Commands like kubectl apply now return errors if schema-invalid annotations are specified, rather than silently dropping the entire annotations section. (#83552, @liggitt)
  • Expose kubernetes client in the scheduling framework handle. (#82432, @draveness)
  • kubeadm: fix wrong default value for the "upgrade node --certificate-renewal" flag. (#83528, @neolit123)
  • IP validates if a string is a valid IP address (#83104, @zouyee)
  • The --certificate-authority flag now correctly overrides existing skip TLS or CA data settings in the kubeconfig file (#83547, @liggitt)
  • hyperkube will now be available in a new github repository and will not be included in the kubernetes release from 1.17 onwards (#83454, @dims)
  • more complete and accurate logging of stack backtraces in E2E failures (#82176, @pohly)
  • Kubeadm: add support for 127.0.0.1 as advertise address. kubeadm will automatically replace this value with matching global unicast IP address on the loopback interface. (#83475, @fabriziopandini)
  • Rename PluginContext to CycleState in the scheduling framework (#83430, @draveness)
  • kube-scheduler: a configuration file specified via --config is now loaded with strict deserialization, which fails if the config file contains duplicate or unknown fields. This protects against accidentally running with config files that are malformed, mis-indented, or have typos in field names, and getting unexpected behavior. (#83030, @obitech)
  • Significant kube-proxy performance improvements for non UDP ports. (#83208, @robscott)
  • Fixes a flaw (CVE-2019-11253) in json/yaml decoding where large or malformed documents could consume excessive server resources. Request bodies for normal API requests (create/delete/update/patch operations of regular resources) are now limited to 3MB. (#83261, @liggitt)

v1.17.0-alpha.1

Documentation

Downloads for v1.17.0-alpha.1

filename sha512 hash
kubernetes.tar.gz 40985964b5f4b1e1eb448a8ca61ae5fe05b76cf4e97a4a6b0df0f7933071239ed8c3a6753d8ed8ba0c963694c0f94cce2b5976ddcc0386018cdc66337d80d006
kubernetes-src.tar.gz 475dfeb8544804dcc206f2284205fb1ee0bcb73169419be5e548ff91ffe6a35cea7e94039af562baee15933bef3afaa7ff10185e40926c7baa60d5936bcc9c1b

Client Binaries

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kubernetes-client-windows-386.tar.gz 68ebe4abea5a174eb189caea567e24e87cca57e7fbc9f8ec344aafbaf48c892d52d179fef67f9825be0eb93f5577f7573873b946e688de78c442c798a5b426bc
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Server Binaries

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kubernetes-server-linux-arm.tar.gz fe2af93336280e1251f97afecbdfb7416fd9dd7d08b3e5539abeea8ccaf7114cac399e832fa52359d2bc63ec9f8703ae3bca340db85f9b764816f4c36e4eefee
kubernetes-server-linux-arm64.tar.gz efc32c8477efda554d8e82d6e52728f58e706d3d53d1072099b3297c310632e8adece6030427154287d5525e74158c0b44a33421b3dd0ffb57372d63768e82ec
kubernetes-server-linux-ppc64le.tar.gz bda4fce6f5be7d0102ff265e0ba10e4dab776caeba1cebdf57db9891a34b4974fa57ac014aa6eca2dcfc1b64e9f67c8168e18026ae30c72ba61205d180f6e8ff
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Node Binaries

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kubernetes-node-linux-arm64.tar.gz 0de8af66269db1ef7513f92811ec52a780abb3c9c49c0a4de9337eb987119bb583d03327c55353b4375d233e1a07a382cc91bdbf9477cf66e3f9e7fb0090499e
kubernetes-node-linux-ppc64le.tar.gz adb43c68cd5d1d52f254a14d80bb66667bfc8b367176ff2ed242184cf0b5accd3206bcbd42dec3f132bf1a230193812ae3e7a0c48f68634cb5f67538385e142a
kubernetes-node-linux-s390x.tar.gz 1c834cfc06b9ba4a6da3bca2d504b734c935436546bc9304c7933e256dba849d665d34e82f48180f3975a907d37fec5ffb929923352ff63e1d3ff84143eea65b
kubernetes-node-windows-amd64.tar.gz 6fc54fd17ebb65a6bd3d4efe93a713cc2aaea54599ddd3d73d01e93d6484087271b3ca65ed7a5861090356224140776a9606c10873b6b106bc9a6634c25b1677

Changelog since v1.16.0

Action Required

  • The deprecated feature gates GCERegionalPersistentDisk, EnableAggregatedDiscoveryTimeout and PersistentLocalVolumes are now unconditionally enabled and can no longer be specified in component invocations. (#82472, @draveness)
  • ACTION REQUIRED: (#81668, @darshanime)
    • Deprecate the default service IP CIDR. The previous default was 10.0.0.0/24 which will be removed in 6 months/2 releases. Cluster admins must specify their own desired value, by using --service-cluster-ip-range on kube-apiserver.
  • Remove deprecated "include-uninitialized" flag. action required (#80337, @draveness)

Other notable changes

  • Bump version of event-exporter to 0.3.1, to switch it to protobuf. (#83396, @loburm)
  • kubeadm: use the --service-cluster-ip-range flag to init or use the ServiceSubnet field in the kubeadm config to pass a comma separated list of Service CIDRs. (#82473, @Arvinderpal)
  • Remove MaxPriority in the scheduler API, please use MaxNodeScore or MaxExtenderPriority instead. (#83386, @draveness)
  • Fixes a goroutine leak in kube-apiserver when a request times out. (#83333, @lavalamp)
  • Some scheduler extender API fields are moved from pkg/scheduler/api to pkg/scheduler/apis/extender/v1. (#83262, @Huang-Wei)
  • Fix aggressive VM calls for Azure VMSS (#83102, @feiskyer)
  • Update Azure load balancer to prevent orphaned public IP addresses (#82890, @chewong)
  • Use online nodes instead of possible nodes when discovering available NUMA nodes (#83196, @zouyee)
  • Fix typos in certificates.k8s.io/v1beta1 KeyUsage constant names: UsageContentCommittment becomes UsageContentCommitment and UsageNetscapSGC becomes UsageNetscapeSGC. (#82511, @abursavich)
  • Fixes the bug in informer-gen that it produces incorrect code if a type has nonNamespaced tag set. (#80458, @tatsuhiro-t)
  • Update to go 1.12.10 (#83139, @cblecker)
  • Update crictl to v1.16.1. (#82856, @Random-Liu)
  • Reduces the number of calls made to the Azure API when requesting the instance view of a virtual machine scale set node. (#82496, @hasheddan)
  • Consolidate ScoreWithNormalizePlugin into the ScorePlugin interface (#83042, @draveness)
  • On AWS nodes with multiple network interfaces, kubelet should now more reliably report the same primary node IP. (#80747, @danwinship)
  • Fixes kube-proxy bug accessing self nodeip:port on windows (#83027, @liggitt)
  • Resolves bottleneck in internal API server communication that can cause increased goroutines and degrade API Server performance (#80465, @answer1991)
  • The deprecated mondo kubernetes-test tarball is no longer built. Users running Kubernetes e2e tests should use the kubernetes-test-portable and kubernetes-test-{OS}-{ARCH} tarballs instead. (#83093, @ixdy)
  • Improved performance of kube-proxy with EndpointSlice enabled with more efficient sorting. (#83035, @robscott)
  • New APIs to allow adding/removing pods from pre-calculated prefilter state in the scheduling framework (#82912, @ahg-g)
  • Conformance tests may now include disruptive tests. If you are running tests against a live cluster, consider skipping those tests tagged as Disruptive to avoid non-test workloads being impacted. Be aware, skipping any conformance tests (even disruptive ones) will make the results ineligible for consideration for the CNCF Certified Kubernetes program. (#82664, @johnSchnake)
  • Resolves regression generating informers for packages whose names contain . characters (#82410, @nikhita)
  • Added metrics 'authentication_latency_seconds' that can be used to understand the latency of authentication. (#82409, @RainbowMango)
  • kube-dns add-on: (#82347, @pjbgf)
      • All containers are now being executed under more restrictive privileges.
      • Most of the containers now run as non-root user and has the root filesystem set as read-only.
      • The remaining container running as root only has the minimum Linux capabilities it requires to run.
      • Privilege escalation has been disabled for all containers.
  • k8s dockerconfigjson secrets are now compatible with docker config desktop authentication credentials files (#82148, @bbourbie)
  • Use ipv4 in wincat port forward. (#83036, @liyanhui1228)
  • Added Clone method to the scheduling framework's PluginContext and ContextData. (#82951, @ahg-g)
  • Bump metrics-server to v0.3.5 (#83015, @olagacek)
  • dashboard: disable the dashboard Deployment on non-Linux nodes. This step is required to support Windows worker nodes. (#82975, @wawa0210)
  • Fix possible fd leak and closing of dirs when using openstack (#82873, @odinuge)
  • PersistentVolumeLabel admission plugin, responsible for labeling PersistentVolumes with topology labels, now does not overwrite existing labels on PVs that were dynamically provisioned. It trusts the dynamic provisioning that it provided the correct labels to the PersistentVolume, saving one potentially expensive cloud API call. PersistentVolumes created manually by users are labelled by the admission plugin in the same way as before. (#82830, @jsafrane)
  • Fixes a panic in kube-controller-manager cleaning up bootstrap tokens (#82887, @tedyu)
  • Fixed a scheduler panic when using PodAffinity. (#82841, @Huang-Wei)
  • Modified the scheduling framework's Filter API. (#82842, @ahg-g)
  • Fix panic in kubelet when running IPv4/IPv6 dual-stack mode with a CNI plugin (#82508, @aanm)
  • Kubernetes no longer monitors firewalld. On systems using firewalld for firewall (#81517, @danwinship)
    • maintenance, kube-proxy will take slightly longer to recover from disruptive
    • firewalld operations that delete kube-proxy's iptables rules.
  • Added cloud operation count metrics to azure cloud controller manager. (#82574, @kkmsft)
  • Report non-confusing error for negative storage size in PVC spec. (#82759, @sttts)
  • When registering with a 1.17+ API server, MutatingWebhookConfiguration and ValidatingWebhookConfiguration objects can now request that only v1 AdmissionReview requests be sent to them. Previously, webhooks were required to support receiving v1beta1 AdmissionReview requests as well for compatibility with API servers <= 1.15. (#82707, @liggitt) * When registering with a 1.17+ API server, a CustomResourceDefinition conversion webhook can now request that only v1 ConversionReview requests be sent to them. Previously, conversion webhooks were required to support receiving v1beta1 ConversionReview requests as well for compatibility with API servers <= 1.15.
  • Resolves issue with /readyz and /livez not including etcd and kms health checks (#82713, @logicalhan)
  • fix: azure disk detach failure if node not exists (#82640, @andyzhangx)
  • Single static pod files and pod files from http endpoints cannot be larger than 10 MB. HTTP probe payloads are now truncated to 10KB. (#82669, @rphillips)
  • Restores compatibility with <=1.15.x custom resources by not publishing OpenAPI for non-structural custom resource definitions (#82653, @liggitt)
  • Take the context as the first argument of Schedule. (#82119, @wgliang)
  • Fixes regression in logging spurious stack traces when proxied connections are closed by the backend (#82588, @liggitt)
  • Correct a reference to a not/no longer used kustomize subcommand in the documentation (#82535, @demobox)
  • Limit the body length of exec readiness/liveness probes. remote CRIs and Docker shim read a max of 16MB output of which the exec probe itself inspects 10kb. (#82514, @dims)
  • fixed an issue that the correct PluginConfig.Args is not passed to the corresponding PluginFactory in kube-scheduler when multiple PluginConfig items are defined. (#82483, @everpeace)
  • Adding TerminationGracePeriodSeconds to the test framework API (#82170, @vivekbagade)
  • /test/e2e/framework: Adds a flag "non-blocking-taints" which allows tests to run in environments with tainted nodes. String value should be a comma-separated list. (#81043, @johnSchnake)