add isolated live development deployments

dev/stop.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
+REPO_ROOT=$(cd -- "$SCRIPT_DIR/.." && pwd)
+default_instance=$(basename -- "$REPO_ROOT" | tr '[:upper:]_' '[:lower:]-')
+instance=${1:-$default_instance}
+
+if [[ ${#instance} -gt 42 || ! $instance =~ ^[a-z0-9]([a-z0-9-]*[a-z0-9])?$ ]]; then
+  echo "instance must be 1-42 lowercase letters, digits, or internal hyphens: $instance" >&2
+  exit 2
+fi
+
+namespace=${DEV_NAMESPACE:-vibes}
+shared_root=${DEV_SHARED_ROOT:-/data/live}
+destination="$shared_root/$instance"
+state_dir="$shared_root/.hello-dev-state"
+pid_file="$state_dir/$instance.pid"
+log_file="$state_dir/$instance.log"
+label="dev.mancave.link/instance=$instance"
+
+if [[ $shared_root != /* || $shared_root == / ]]; then
+  echo "DEV_SHARED_ROOT must be an absolute directory below /: $shared_root" >&2
+  exit 2
+fi
+
+if [[ -f $pid_file ]]; then
+  sync_pid=$(<"$pid_file")
+  process_command=""
+  if [[ $sync_pid =~ ^[0-9]+$ && -r /proc/$sync_pid/cmdline ]]; then
+    process_command=$(tr '\0' ' ' <"/proc/$sync_pid/cmdline")
+  fi
+  if [[ $process_command == *"start.sh __sync $instance "* ]]; then
+    kill "$sync_pid"
+    for _ in {1..20}; do
+      kill -0 "$sync_pid" 2>/dev/null || break
+      sleep 0.1
+    done
+    kill -9 "$sync_pid" 2>/dev/null || true
+  fi
+fi
+
+kubectl delete all,ingress,configmap,secret,pvc \
+  --namespace "$namespace" \
+  --selector "$label" \
+  --ignore-not-found=true \
+  --wait=true
+
+if [[ -d $destination ]]; then
+  find "$destination" -depth -delete
+fi
+rm -f -- "$pid_file" "$log_file"
+rmdir -- "$state_dir" 2>/dev/null || true
+
+echo "Development instance '$instance' was permanently removed"