Remove krew installation support

Krew is fundamentally to install kubectl plugins, which are eminently a
client side things.
It's also not difficult to install on a client machine.

README.md

@@ -113,7 +113,6 @@ Note: Upstart/SysV init based OS types are not supported.
   - [cert-manager](https://github.com/jetstack/cert-manager) v1.15.3
   - [coredns](https://github.com/coredns/coredns) v1.11.3
   - [ingress-nginx](https://github.com/kubernetes/ingress-nginx) v1.11.2
-  - [krew](https://github.com/kubernetes-sigs/krew) v0.4.4
   - [argocd](https://argoproj.github.io/) v2.11.0
   - [helm](https://helm.sh/) v3.15.4
   - [metallb](https://metallb.universe.tf/)  v0.13.9

docs/ansible/ansible.md

@@ -106,7 +106,6 @@ The following tags are defined in playbooks:
 | iptables                       | Flush and clear iptable when resetting                |
 | k8s-pre-upgrade                | Upgrading K8s cluster                                 |
 | kata-containers                | Configuring kata-containers runtime                   |
-| krew                           | Install and manage krew                               |
 | kubeadm                        | Roles linked to kubeadm tasks                         |
 | kube-apiserver                 | Configuring static pod kube-apiserver                 |
 | kube-controller-manager        | Configuring static pod kube-controller-manager        |

inventory/sample/group_vars/all/offline.yml

@@ -78,8 +78,6 @@
 # gvisor_runsc_download_url: "{{ files_repo }}/storage.googleapis.com/gvisor/releases/release/{{ gvisor_version }}/{{ ansible_architecture }}/runsc"
 # gvisor_containerd_shim_runsc_download_url: "{{ files_repo }}/storage.googleapis.com/gvisor/releases/release/{{ gvisor_version }}/{{ ansible_architecture }}/containerd-shim-runsc-v1"
 
-# [Optional] Krew: only if you set krew_enabled: true
-# krew_download_url: "{{ files_repo }}/github.com/kubernetes-sigs/krew/releases/download/{{ krew_version }}/krew-{{ host_os }}_{{ image_arch }}.tar.gz"
 
 ## CentOS/Redhat/AlmaLinux
 ### For EL8, baseos and appstream must be available,

inventory/sample/group_vars/k8s_cluster/addons.yml

@@ -255,8 +255,6 @@ argocd_enabled: false
 # argocd_admin_password: "password"
 
 # The plugin manager for kubectl
-krew_enabled: false
-krew_root_dir: "/usr/local/krew"
 
 # Kube VIP
 kube_vip_enabled: false

roles/kubernetes-apps/meta/main.yml

@@ -10,12 +10,6 @@ dependencies:
     tags:
       - helm
 
-  - role: kubernetes-apps/krew
-    when:
-      - krew_enabled
-    tags:
-      - krew
-
   - role: kubernetes-apps/registry
     when:
       - registry_enabled

roles/kubespray-defaults/defaults/main/checksums.yml

@@ -578,46 +578,6 @@ calico_crds_archive_checksums:
   v3.27.2: 8154bb4aad887f2a5500b505fe203a918f72c4e602b04c688c4b94f76a26e925
   v3.27.1: 76abb0db222af279e3514cfae02be9259097b565bbb2ffcb776ca00566480edb
   v3.27.0: 2a4b5132035dfd6ac4abc8d545f33de139350eca523e0c5cfe4ac32e43fcb2f1
-krew_archive_checksums:
-  darwin:
-    arm:
-      v0.4.4: 0
-      v0.4.3: 0
-    arm64:
-      v0.4.4: e6ac776140b228d6bdfda11247baf4e9b11068f42005d0975fc260c629954464
-      v0.4.3: 22f29ce3c3c9c030e2eaf3939d2b00f0187dfdbbfaee37fba8ffaadc46e51372
-    amd64:
-      v0.4.4: 5f4d2f34868a87cf1188212cf7cb598e76a32f389054089aad1fa46e6daf1e1b
-      v0.4.3: 6f6a774f03ad4190a709d7d4dcbb4af956ca0eb308cb0d0a44abc90777b0b21a
-    ppc64le:
-      v0.4.4: 0
-      v0.4.3: 0
-  linux:
-    arm:
-      v0.4.4: 4f3d550227e014f3ba7c72031108ffda0654cb755f70eb96be413a5102d23333
-      v0.4.3: 68eb9e9f5bba29c7c19fb52bfc43a31300f92282a4e81f0c51ad26ed2c73eb03
-    arm64:
-      v0.4.4: f8f0cdbf698ed3e8cb46e7bd213754701341a10e11ccb69c90d4863e0cf5a16a
-      v0.4.3: 0994923848882ad0d4825d5af1dc227687a10a02688f785709b03549dd34d71d
-    amd64:
-      v0.4.4: e471396b0ed4f2be092b4854cc030dfcbb12b86197972e7bef0cb89ad9c72477
-      v0.4.3: 5df32eaa0e888a2566439c4ccb2ef3a3e6e89522f2f2126030171e2585585e4f
-    ppc64le:
-      v0.4.4: 0
-      v0.4.3: 0
-  windows:
-    arm:
-      v0.4.4: 0
-      v0.4.3: 0
-    arm64:
-      v0.4.4: 0
-      v0.4.3: 0
-    amd64:
-      v0.4.4: da0dfeb2a598f11fb9ce871ee7f3b1a69beb371a45f531ee65a71b2201511d28
-      v0.4.3: d1343a366a867e9de60b23cc3d8ee935ee185af25ff8f717a5e696ba3cae7c85
-    ppc64le:
-      v0.4.4: 0
-      v0.4.3: 0
 helm_archive_checksums:
   arm:
     v3.15.4: aa3fb3014d147e5dcf8bfe4f6d5fe8677029ed720d4a4bcc64e54cb745a72206

roles/kubespray-defaults/defaults/main/download.yml

@@ -124,7 +124,6 @@ kube_router_version: "v2.0.0"
 multus_version: "v4.1.0"
 helm_version: "v3.15.4"
 nerdctl_version: "1.7.7"
-krew_version: "v0.4.4"
 skopeo_version: "v1.16.1"
 
 # Get kubernetes major version (i.e. 1.17.4 => 1.17)
@@ -188,7 +187,6 @@ kata_containers_download_url: "{{ github_url }}/kata-containers/kata-containers/
 gvisor_runsc_download_url: "{{ storage_googleapis_url }}/gvisor/releases/release/{{ gvisor_version }}/{{ ansible_architecture }}/runsc"
 gvisor_containerd_shim_runsc_download_url: "{{ storage_googleapis_url }}/gvisor/releases/release/{{ gvisor_version }}/{{ ansible_architecture }}/containerd-shim-runsc-v1"
 nerdctl_download_url: "{{ github_url }}/containerd/nerdctl/releases/download/v{{ nerdctl_version }}/nerdctl-{{ nerdctl_version }}-{{ ansible_system | lower }}-{{ image_arch }}.tar.gz"
-krew_download_url: "{{ github_url }}/kubernetes-sigs/krew/releases/download/{{ krew_version }}/krew-{{ host_os }}_{{ image_arch }}.tar.gz"
 containerd_download_url: "{{ github_url }}/containerd/containerd/releases/download/v{{ containerd_version }}/containerd-{{ containerd_version }}-linux-{{ image_arch }}.tar.gz"
 cri_dockerd_download_url: "{{ github_url }}/Mirantis/cri-dockerd/releases/download/v{{ cri_dockerd_version }}/cri-dockerd-{{ cri_dockerd_version }}.{{ image_arch }}.tgz"
 skopeo_download_url: "{{ github_url }}/lework/skopeo-binary/releases/download/{{ skopeo_version }}/skopeo-linux-{{ image_arch }}"
@@ -214,7 +212,6 @@ kata_containers_binary_checksum: "{{ kata_containers_binary_checksums[image_arch
 gvisor_runsc_binary_checksum: "{{ gvisor_runsc_binary_checksums[image_arch][gvisor_version] }}"
 gvisor_containerd_shim_binary_checksum: "{{ gvisor_containerd_shim_binary_checksums[image_arch][gvisor_version] }}"
 nerdctl_archive_checksum: "{{ nerdctl_archive_checksums[image_arch][nerdctl_version] }}"
-krew_archive_checksum: "{{ krew_archive_checksums[host_os][image_arch][krew_version] }}"
 containerd_archive_checksum: "{{ containerd_archive_checksums[image_arch][containerd_version] }}"
 skopeo_binary_checksum: "{{ skopeo_binary_checksums[image_arch][skopeo_version] }}"
 
@@ -946,19 +943,6 @@ downloads:
     groups:
       - kube_control_plane
 
-  krew:
-    enabled: "{{ krew_enabled }}"
-    file: true
-    version: "{{ krew_version }}"
-    dest: "{{ local_release_dir }}/krew-{{ host_os }}_{{ image_arch }}.tar.gz"
-    sha256: "{{ krew_archive_checksum }}"
-    url: "{{ krew_download_url }}"
-    unarchive: true
-    owner: "root"
-    mode: "0755"
-    groups:
-      - kube_control_plane
-
   registry:
     enabled: "{{ registry_enabled }}"
     container: true

roles/kubespray-defaults/defaults/main/main.yml

@@ -405,7 +405,6 @@ dashboard_enabled: false
 
 # Addons which can be enabled
 helm_enabled: false
-krew_enabled: false
 registry_enabled: false
 metrics_server_enabled: false
 enable_network_policy: true

tests/files/packet_ubuntu20-flannel-ha-once.yml

@@ -8,7 +8,6 @@ kubeadm_certificate_key: 3998c58db6497dd17d909394e62d515368c06ec617710d02edea31c
 kube_proxy_mode: iptables
 kube_network_plugin: flannel
 helm_enabled: true
-krew_enabled: true
 kubernetes_audit: true
 etcd_events_cluster_enabled: true
 local_volume_provisioner_enabled: true

tests/scripts/check_readme_versions.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-TARGET_COMPONENTS="containerd calico cilium flannel kube-ovn kube-router weave cert-manager krew helm metallb registry cephfs-provisioner rbd-provisioner aws-ebs-csi-plugin azure-csi-plugin cinder-csi-plugin gcp-pd-csi-plugin local-path-provisioner local-volume-provisioner kube-vip ingress-nginx node-feature-discovery"
+TARGET_COMPONENTS="containerd calico cilium flannel kube-ovn kube-router weave cert-manager helm metallb registry cephfs-provisioner rbd-provisioner aws-ebs-csi-plugin azure-csi-plugin cinder-csi-plugin gcp-pd-csi-plugin local-path-provisioner local-volume-provisioner kube-vip ingress-nginx node-feature-discovery"
 
 # cd to the root directory of kubespray
 cd $(dirname $0)/../../