kctrl edit

README.md

kctrl cannot update package installations interactively. This helps. Needs gum.

kctrl-edit.sh

#!/usr/bin/env bash

set -euo pipefail

main() {
  local selected_package tmp_dir original_values updated_values

  __assert_gum

  __say "📦 Hi, I am your package edit assistant!"
  gum confirm "Shall we find a package installation to update?"
  selected_package="$(__get_installed_packages | __select_package)"

  namespace=${selected_package%/*}
  package_name=${selected_package#*/}

  tmp_dir="$(mktemp -d)"
  trap "rm -rf $tmp_dir" EXIT
  original_values="$tmp_dir/original-values.yml"
  updated_values="$tmp_dir/updated-values.yml"

  kctrl package installed get \
    --namespace "$namespace" \
    --package-install "$package_name" \
    --values-file-output "$original_values"
  cp "$original_values" "$updated_values"

  __say "📦 '$selected_package' is installed with the current values:"
  gum format -t code <"$original_values"
  gum confirm "Shall we edit it the values?"
  $EDITOR "$updated_values"

  if diff -u "$original_values" "$updated_values" >/dev/null; then
    __say "0️⃣ Nothing changed. Try again. Bye for now."
    exit 1
  fi
  __say "↔️ Here's what changed:"
  diff -u "$original_values" "$updated_values" || true

  gum confirm "Shall we apply the changes?"
  kctrl package installed update \
    --namespace "$namespace" \
    --package-install "$package_name" \
    --values-file "$updated_values"

  __say "✅ Done. Thanks. It's been fun!"
}

__assert_gum() {
  if ! which gum >/dev/null; then
    echo "Please, install gum https://github.com/charmbracelet/gum#installation"
  fi
}

__get_installed_packages() {
  kubectl get pkgi \
    --all-namespaces \
    --output go-template='{{range .items}}{{printf "%s/%s\n" .metadata.namespace .metadata.name}}{{end}}'
}

__select_package() {
  gum filter \
    --placeholder "type to filter packages" \
    --prompt "📦 "
}

__say() {
  gum style \
    --foreground 212 \
    --border-foreground 212 \
    --border double \
    --align center \
    --width 50 \
    "$1"
}

main