Release notes for kOps 1.21 series

(The kOps 1.21 release has not been released yet; this is a document to gather the notes prior to the release).

Significant changes

Breaking changes

Required Actions

Deprecations

• Support for Kubernetes versions 1.15 and 1.16 are deprecated and will be removed in kOps 1.22.

Full change list since 1.21.0 release

1.21.0-alpha.2 to 1.21.0-alpha.1

• Release notes for 1.21.0-alpha.2 @hakman #10768
• Add troubleshooting of corrupted api server leases @olemarkus #10764
• Boot nodes without state store access @justinsb #10469
• Update GCE zones @bharath-123 #10771
• Kubetest2 - Use a shell lexer for passing extra args to create cluster @rifelpet #10772
• Use the kubeApiServerConfig clientCAFile field @slu2011 #10707
• Kubetest2 - Fix splitting of --create-args @rifelpet #10775
• Logging: don't suggest we are pre-creating DNS records unless we are @justinsb #10782
• Add missing versions to channels @olemarkus #10781
• fix: asset task copy docker image @johanneswuerbach #10767
• Add support for creating world-readable managedFiles @olemarkus #10778
• Update kubectl documentation with new flags @rpadovani,@hakman #10779
• Add overrides testing in lifecycle integration tests @rifelpet #10752
• Add AWS LoadBalancerController @olemarkus #10489
• Update Calico to v3.17.2 @hakman #10787
• Enable CSIMigrationAWS if CSI EBS driver is installed @olemarkus #10791
• Fill Role names in kops-controller-config instead of instance profile names when it is specified @h3poteto #10728
• Storage: Allow disabling of kOps's management of StorageClasses @seh #10733
• kubetest2 - Dump all pod logs in addition to host logs @rifelpet #10799
• Update Docker to v19.03.15 @hakman #10802
• Fix LaunchSpec TF output @hakman #10806
• Make protokube CP label setting consistent with kops-controller @olemarkus #10780
• Add deprecation notice for launch templates. @bharath-123 #10809
• add azure support for internal loadbalancer to k8s api @collin-woodruff-t1cg #10744
• Allow managed images for Azure instance groups @NickSchleicher #10797
• kubenet containerd: match upstream @justinsb #10759
• kubetest2: Add --host argument @justinsb #10814
• iptables: Use the lock when checking for existing rules @justinsb #10812
• Spotinst: Replace corev1.Taint to fix HCL2 serialization @liranp #10819
• Spotinst: Bump the Ocean Controller to 1.0.72 @liranp #10820
• Allow to control which subnets and IPs get used for the API loadbalancer @codablock #10741
• kubetest2: Call Test, not Execute @justinsb #10824
• Fix kdi 'must specify' error @olemarkus #10825
• Update aws-sdk-go @rifelpet #10830
• Use correct tag when creating node labels from azure cloud tags @NickSchleicher #10619
• Precreate the kops-controller DNS name @rifelpet #10833
• containerd installation: always configure, even if we don't install @justinsb #10813
• Release binaries for protokube and channels @hakman #10840
• Release 1.21.0-alpha.1 @hakman #10841