zsh function to search for kubernetes resources across clusters

kube_search_api_resources.zsh

emulate -RL zsh

setopt err_return warn_create_global
local API_RESOURCE="$1"
local ctx
local kind

if [[ -z "$API_RESOURCE" ]]; then
    print "Usage: kubectl_search_api_resources <API_RESOURCE>" >&2
    print "Will search for the api resources that match the regex API_RESOURCE in all clusters and all namespaces" >&2
    return 1
fi

for ctx in $(kubectl config view -o json | jq -r '.contexts[].name' | grep -v none); do
    for kind in $(kubectl --context=$ctx api-resources | grep $API_RESOURCE | awk '{print $1}'); do
        local RESULT="$(kubectl get --context=$ctx $kind -A 2> /dev/null)"
        if [[ -n "$RESULT" ]]; then
            print "ctx: $ctx, kind: $kind\n$RESULT"
        fi
    done
done