地址：https://krew.sigs.k8s.io/docs/user-guide/setup/install/

macOS/Linux

Bash or ZSH shells

确保已安装git

2.执行如下命令进行下载和安装krew：

# 复制如下命令执行(命令包含括号)

(

  set -x; cd "$(mktemp -d)" &&

  OS="$(uname | tr '[:upper:]' '[:lower:]')" &&

  ARCH="$(uname -m | sed -e 's/x86_64/amd64/' -e 's/\(arm\)\(64\)\?.*/\1\2/' -e 's/aarch64$/arm64/')" &&

  KREW="krew-${OS}_${ARCH}" &&

  curl -fsSLO "https://github.com/kubernetes-sigs/krew/releases/latest/download/${KREW}.tar.gz" &&

  tar zxvf "${KREW}.tar.gz" &&

  ./"${KREW}" install krew

)

# 命令执行过程和结果

+ cd /tmp/tmp.mJPe00R4vD

++ uname

++ tr '[:upper:]' '[:lower:]'

+ OS=linux

++ uname -m

++ sed -e s/x86_64/amd64/ -e 's/\(arm\)\(64\)\?.*/\1\2/' -e 's/aarch64$/arm64/'

+ ARCH=amd64

+ KREW=krew-linux_amd64

+ curl -fsSLO https://github.com/kubernetes-sigs/krew/releases/latest/download/krew-linux_amd64.tar.gz

+ tar zxvf krew-linux_amd64.tar.gz

./LICENSE

./krew-linux_amd64

+ ./krew-linux_amd64 install krew

Adding "default" plugin index from https://github.com/kubernetes-sigs/krew-index.git.

Updated the local copy of plugin index.

Installing plugin: krew

Installed plugin: krew

\

 | Use this plugin:

 |      kubectl krew

 | Documentation:

 |      https://krew.sigs.k8s.io/

 | Caveats:

 | \

 |  | krew is now installed! To start using kubectl plugins, you need to add

 |  | krew's installation directory to your PATH:

 |  |

 |  |   * macOS/Linux:

 |  |     - Add the following to your ~/.bashrc or ~/.zshrc:

 |  |         export PATH="${KREW_ROOT:-$HOME/.krew}/bin:$PATH"

 |  |     - Restart your shell.

 |  |

 |  |   * Windows: Add %USERPROFILE%\.krew\bin to your PATH environment variable

 |  |

 |  | To list krew commands and to get help, run:

 |  |   $ kubectl krew

 |  | For a full list of available plugins, run:

 |  |   $ kubectl krew search

 |  |

 |  | You can find documentation at

 |  |   https://krew.sigs.k8s.io/docs/user-guide/quickstart/.

 | /

/

3.根据命令执行结果，配置环境变量

vim ~/.bashrc

# 在末尾新增如下这行

export PATH="${KREW_ROOT:-$HOME/.krew}/bin:$PATH"

4.退出当前shell重新打开,然后执行如下命令进行校验

# kubectl krew

krew is the kubectl plugin manager.

You can invoke krew through kubectl: "kubectl krew [command]..."

Usage:

  kubectl krew [command]

Available Commands:

  completion  generate the autocompletion script for the specified shell

  help        Help about any command

  index       Manage custom plugin indexes

  info        Show information about an available plugin

  install     Install kubectl plugins

  list        List installed kubectl plugins

  search      Discover kubectl plugins

  uninstall   Uninstall plugins

  update      Update the local copy of the plugin index

  upgrade     Upgrade installed plugins to newer versions

  version     Show krew version and diagnostics

Flags:

  -h, --help      help for krew

  -v, --v Level   number for the log level verbosity

Use "kubectl krew [command] --help" for more information about a command.

# kubectl krew search

NAME                            DESCRIPTION                                         INSTALLED

access-matrix                   Show an RBAC access matrix for server resources     no

accurate                        Manage Accurate, a multi-tenancy controller         no

advise-policy                   Suggests PodSecurityPolicies and OPA Policies f...  no

advise-psp                      Suggests PodSecurityPolicies for cluster.           no

allctx                          Run commands on contexts in your kubeconfig         no

apparmor-manager                Manage AppArmor profiles for cluster.               no

assert                          Assert Kubernetes resources                         no

auth-proxy                      Authentication proxy to a pod or service            no

azad-proxy                      Generate and handle authentication for azad-kub...  no

bd-xray                         Run Black Duck Image Scans                          no

blame                           Show who edited resource fields.                    no

bulk-action                     Do bulk actions on Kubernetes resources.            no

ca-cert                         Print the PEM CA certificate of the current clu...  no

capture                         Triggers a Sysdig capture to troubleshoot the r...  no

cert-manager                    Manage cert-manager resources inside your cluster   no

change-ns                       View or change the current namespace via kubectl.   no

cilium                          Easily interact with Cilium agents.                 no

cluster-group                   Exec commands across a group of contexts.           no

clusternet                      Wrap multiple kubectl calls to Clusternet           no

cm                              Provides commands for OCM/MCE/ACM.                  no

config-cleanup                  Automatically clean up your kubeconfig              no

config-registry                 Switch between registered kubeconfigs               no

cost                            View cluster cost information                       no

creyaml                         Generate custom resource YAML manifest              no

ctx                             Switch between contexts in your kubeconfig          no

custom-cols                     A "kubectl get" replacement with customizable c...  no

cyclonus                        NetworkPolicy analysis tool suite                   no

datadog                         Manage the Datadog Operator                         no

datree                          Scan your cluster resources for misconfigurations   no

debug-shell                     Create pod with interactive kube-shell.             no

deprecations                    Checks for deprecated objects in a cluster          no

df-pv                           Show disk usage (like unix df) for persistent v...  no

direct-csi                      CSI driver to manage drives in k8s cluster as v...  no

directpv                        Deploys and manages the lifecycle of DirectPV C...  no

doctor                          Scans your cluster and reports anomalies.           no

duck                            List custom resources with ducktype support         no

edit-status                     Edit /status subresources of CRs                    no

eds                             Interact and manage ExtendedDaemonset resources     no

eksporter                       Export resources and removes a pre-defined set ...  no

emit-event                      Emit Kubernetes Events for the requested object     no

evict-pod                       Evicts the given pod                                no

example                         Prints out example manifest YAMLs                   no

exec-as                         Like kubectl exec, but offers a `user` flag to ...  no

exec-cronjob                    Run a CronJob immediately as Job                    no

explore                         A better kubectl explain with the fuzzy finder      no

fields                          Grep resources hierarchy by field name              no

flame                           Generate CPU flame graphs from pods                 no

fleet                           Shows config and resources of a fleet of clusters   no

flyte                           Monitor, launch and manage flyte executions         no

fuzzy                           Fuzzy and partial string search for kubectl         no

gadget                          Gadgets for debugging and introspecting apps        no

get-all                         Like `kubectl get all` but _really_ everything      no

gke-credentials                 Fetch credentials for GKE clusters                  no

gopass                          Imports secrets from gopass                         no

graph                           Visualize Kubernetes resources and relationships.   no

grep                            Filter Kubernetes resources by matching their n...  no

gs                              Handle custom resources with Giant Swarm            no

hlf                             Deploy and manage Hyperledger Fabric components     no

hns                             Manage hierarchical namespaces (part of HNC)        no

htpasswd                        Create nginx-ingress compatible basic-auth secrets  no

ice                             View configuration settings of containers insid...  no

iexec                           Interactive selection tool for `kubectl exec`       no

images                          Show container images used in the cluster.          no

ingress-nginx                   Interact with ingress-nginx                         no

ingress-rule                    Update Ingress rules via command line               no

ipick                           A kubectl wrapper for interactive resource sele...  no

istiolog                        Manipulate istio-proxy logging level without is...  no

janitor                         Lists objects in a problematic state                no

kadalu                          Manage Kadalu Operator, CSI and Storage pods        no

karbon                          Connect to Nutanix Karbon cluster                   no

karmada                         Manage clusters with Karmada federation.            no

konfig                          Merge, split or import kubeconfig files             no

krew                            Package manager for kubectl plugins.                yes

kruise                          Easily handle OpenKruise workloads                  no

ks                              Simple management of KubeSphere components          no

ktop                            A top tool to display workload metrics              no

kubesec-scan                    Scan Kubernetes resources with kubesec.io.          no

kudo                            Declaratively build, install, and run operators...  no

kuota-calc                      Calculate needed quota to perform rolling updates.  no

kurt                            Find what's restarting and why                      no

kuttl                           Declaratively run and test operators                no

kyverno                         Kyverno is a policy engine for kubernetes           no

lineage                         Display all dependent resources or resource dep...  no

match-name                      Match names of pods and other API objects           no

mc                              Run kubectl commands against multiple clusters ...  no

minio                           Deploy and manage MinIO Operator and Tenant(s)      no

moco                            Interact with MySQL operator MOCO.                  no

modify-secret                   modify secret with implicit base64 translations     no

mtail                           Tail logs from multiple pods matching label sel...  no

multiforward                    Port Forward to multiple Kubernetes Services        no

multinet                        Shows pods' network-status of multi-net-spec        no

neat                            Remove clutter from Kubernetes manifests to mak...  no

net-forward                     Proxy to arbitrary TCP services on a cluster ne...  no

node-admin                      List nodes and run privileged pod with chroot       no

node-restart                    Restart cluster nodes sequentially and gracefully   no

node-shell                      Spawn a root shell on a node via kubectl            no

np-viewer                       Network Policies rules viewer                       no

ns                              Switch between Kubernetes namespaces                no

nsenter                         Run shell command in Pod's namespace on the nod...  no

oidc-login                      Log in to the OpenID Connect provider               no

open-svc                        Open the Kubernetes URL(s) for the specified se...  no

openebs                         View and debug OpenEBS storage resources            no

operator                        Manage operators with Operator Lifecycle Manager    no

oulogin                         Login to a cluster via OpenUnison                   no

outdated                        Finds outdated container images running in a cl...  no

passman                         Store kubeconfig credentials in keychains or pa...  no

pexec                           Execute process with privileges in a pod            no

pod-dive                        Shows a pod's workload tree and info inside a node  no

pod-inspect                     Get all of a pod's details at a glance              no

pod-lens                        Show pod-related resources                          no

pod-logs                        Display a list of pods to get logs from             no

pod-shell                       Display a list of pods to execute a shell in        no

podevents                       Show events for pods                                no

popeye                          Scans your clusters for potential resource issues   no

preflight                       Executes application preflight tests in a cluster   no

profefe                         Gather and manage pprof profiles from running pods  no

promdump                        Dumps the head and persistent blocks of Prometh...  no

prompt                          Prompts for user confirmation when executing co...  no

prune-unused                    Prune unused resources                              no

psp-util                        Manage Pod Security Policy(PSP) and the related...  no

pv-migrate                      Migrate data across persistent volumes              no

pvmigrate                       Migrates PVs between StorageClasses                 no

rabbitmq                        Manage RabbitMQ clusters                            no

rbac-lookup                     Reverse lookup for RBAC                             no

rbac-tool                       Plugin to analyze RBAC permissions and generate...  no

rbac-view                       A tool to visualize your RBAC permissions.          no

realname-diff                   Diffs live and local resources ignoring Kustomi...  no

reap                            Delete unused Kubernetes resources.                 no

relay                           Drop-in "port-forward" replacement with UDP and...  no

reliably                        Surfaces reliability issues in Kubernetes           no

rename-pvc                      Rename a PersistentVolumeClaim (PVC)                no

resource-capacity               Provides an overview of resource requests, limi...  no

resource-snapshot               Prints a snapshot of nodes, pods and HPAs resou...  no

resource-versions               Print supported API resource versions               no

restart                         Restarts a pod with the given name                  no

rm-standalone-pods              Remove all pods without owner references            no

rolesum                         Summarize RBAC roles for subjects                   no

roll                            Rolling restart of all persistent pods in a nam...  no

rook-ceph                       Rook plugin for Ceph management                     no

schemahero                      Declarative database schema migrations via YAML     no

score                           Kubernetes static code analysis.                    no

secretdata                      Viewing decoded Secret data with search flags       no

service-tree                    Status for ingresses, services, and their backends  no

shovel                          Gather diagnostics for .NET Core applications       no

sick-pods                       Find and debug Pods that are "Not Ready"            no

skew                            Find if your cluster/kubectl version is skewed      no

slice                           Split a multi-YAML file into individual files.      no

snap                            Delete half of the pods in a namespace or cluster   no

sniff                           Start a remote packet capture on pods using tcp...  no

socks5-proxy                    SOCKS5 proxy to Services or Pods in the cluster     no

sort-manifests                  Sort manifest files in a proper order by Kind       no

split-yaml                      Split YAML output into one file per resource.       no

spy                             pod debugging tool for kubernetes clusters with...  no

sql                             Query the cluster via pseudo-SQL                    no

ssh-jump                        Access nodes or services using SSH jump Pod         no

sshd                            Run SSH server in a Pod                             no

ssm-secret                      Import/export secrets from/to AWS SSM param store   no

starboard                       Toolkit for finding risks in kubernetes resources   no

status                          Show status details of a given resource.            no

stern                           Multi pod and container log tailing                 no

strace                          Capture strace logs from a running workload         no

sudo                            Run Kubernetes commands impersonated as group s...  no

support-bundle                  Creates support bundles for off-cluster analysis    no

tail                            Stream logs from multiple pods and containers u...  no

tap                             Interactively proxy Kubernetes Services with ease   no

tmux-exec                       An exec multiplexer using Tmux                      no

topology                        Explore region topology for nodes or pods           no

trace                           Trace Kubernetes pods and nodes with system tools   no

tree                            Show a tree of object hierarchies through owner...  no

tunnel                          Reverse tunneling between cluster and your machine  no

unused-volumes                  List unused PVCs                                    no

vela                            Easily interact with KubeVela                       no

view-allocations                List allocations per resources, nodes, pods.        no

view-cert                       View certificate information stored in secrets      no

view-secret                     Decode Kubernetes secrets                           no

view-serviceaccount-kubeconfig  Show a kubeconfig setting to access the apiserv...  no

view-utilization                Shows cluster cpu and memory utilization            no

view-webhook                    Visualize your webhook configurations               no

viewnode                        Displays nodes with their pods and containers       no

virt                            Control KubeVirt virtual machines using virtctl     no

vpa-recommendation              Compare VPA recommendations to actual resources...  no

warp                            Sync and execute local files in Pod                 no

whisper-secret                  Create secrets with improved privacy                no

who-can                         Shows who has RBAC permissions to access Kubern...  no

whoami                          Show the subject that's currently authenticated...  no

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macOS/Linux

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