initial commit

scripts/bs-label-workers.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# label nodes into pools based on hostname: *wordpressPool*/*mysqlPool*/*redisPool*/*phpPool*/*nginxPool*
+set -euo pipefail
+docker node inspect -f '{{ .ID }} {{ .Description.Hostname }} {{ .Spec.Role }}' $(docker node ls -q) \
+| while read -r id host role; do
+  [[ "$role" == "worker" ]] || continue
+  case "$host" in
+    *wordPressPool*) val=wordpress ;;
+    *mysqlPool*)     val=mysql ;;
+    *redisPool*)     val=redis ;;
+    *phpPool*)       val=php ;;
+    *nginxPool*)     val=nginx ;;
+    *)               val="" ;;
+  esac
+  [[ -n "$val" ]] && docker node update --label-add "pool=$val" "$id"
+done
+echo "Worker labels updated."