Start on "cloudy"

2026-05-25 21:19:09 -07:00 · 2026-02-12 15:52:10 -08:00
parent 122dc2075b
commit 21b24b2c2f
3 changed files with 259 additions and 1 deletions
--- a/bin/cloudy.sh
+++ b/bin/cloudy.sh
@@ -0,0 +1,148 @@
+#!/usr/bin/env bash
+
+set -ueo pipefail
+shopt -s extglob
+
+# get libraries
+. ${HOME}/.local/lib/bash/tui.sh
+
+COMMANDS=(
+  gctx
+  kctx
+)
+
+_make_extglob() {
+  local IFS='|'
+  echo "@($*)"
+}
+
+CMD_PATTERN=$(_make_extglob "${COMMANDS[@]}")
+
+usage() {
+  echo "Available Subcommands:"
+  printf "  - %-10s\n" "${COMMANDS[@]}"
+  exit 1
+}
+
+_gctx_set() {
+  gcloud config configurations activate "${1}" </dev/null
+}
+
+_gctx_choose() {
+  local lines=()
+  local default=''
+  local maxnamelen=0
+  local active name description
+  while IFS=$'\t' read -r active name description ; do
+    (( maxnamelen = ( ${#name} > maxnamelen ) ? ${#name} : maxnamelen ))
+    if [[ "$active" == "True" ]] ; then
+      default="${name}"
+    fi
+    lines+=("${name}" "${description}")
+  done < <(gcloud config configurations list \
+    --format='value(is_active, name, format("{} (as {})", properties.core.project, properties.core.account))')
+  local choice
+  if choice=$(printf "%-${maxnamelen}s %s\n" "${lines[@]}" | select_entry "gcloud config" "$default") ; then
+    _gctx_set "${choice}"
+  else
+    echo "No option selected, leaving unchanged."
+  fi
+  return 0
+}
+
+_gctx_new() {
+  local cname="${1:-}"
+  if test -z "${cname}" ; then
+    echo "Usage: gctx new <new name>" >&2
+    return 1
+  fi
+  gcloud config configurations create "${cname}"
+}
+
+_gctx_name() {
+  gcloud info --format='value(config.active_config_name)'
+}
+
+_gctx_clone() {
+  # save old config
+  local oldconfig=()
+  local line
+  while IFS= read -r line ; do
+    old_config+=("$line")
+  done < <(gcloud config configurations describe "$(_gctx_name)" --format='multi(properties:format="flattened[separator=\" \"]")')
+
+  # create new
+  _gctx_new "${1:-}"
+
+  # set config
+  for line in "${oldconfig[@]}" ; do
+    local keyname="${line%% *}"
+    local keypath="${keyname//\.//}"
+    local value="${line#* }"
+    gcloud config set "${keypath}" "${value}"
+  done
+  return 0
+}
+
+gctx() {
+  local subcmd="${1:-}"
+  shift || true
+  case "${subcmd}" in
+    clone)
+      _gctx_clone "$@"
+      return
+      ;;
+    new)
+      _gctx_new "$@"
+      return
+      ;;
+    show)
+      gcloud config configurations list --filter="is_active=True" \
+        --format='table(name, properties.core.account, properties.core.project, properties.compute.zone:label=COMPUTE_DEFAULT_ZONE, properties.compute.region:label=COMPUTE_DEFAULT_REGION)' \
+        "$@"
+      ;;
+    list)
+      gcloud config configurations list "$@"
+      return
+      ;;
+    activate)
+      _gctx_set "$@"
+      return
+      ;;
+    ""|choose)
+      _gctx_choose
+      return
+      ;;
+    *)
+      if _gctx_set "${subcmd}" 2>/dev/null ; then
+        return 0
+      fi
+      echo "Usage: gctx [show|list|new|choose|clone|<name>]" >&2
+      return 1
+      ;;
+  esac
+}
+
+kctx() {
+  return 0
+}
+
+INVOKED_AS=$(basename "$0")
+# shellcheck disable=SC2053
+if [[ "$INVOKED_AS" == $CMD_PATTERN ]] ; then
+  CMD="${INVOKED_AS}"
+else
+  CMD="${1:-}"
+  shift || usage
+fi
+
+
+# shellcheck disable=SC2254
+case "${CMD}" in
+  ${CMD_PATTERN})
+    "${CMD}" "$@"
+    ;;
+  *)
+    usage
+    ;;
+esac