kubernetes-the-hard-way/scripts/run_script_on_all_nodes

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#!/usr/bin/env bash
SCRIPTS_DIR=$(dirname $0)
SCRIPT_NAME=$1
NODE_NAMES=$($SCRIPTS_DIR/node_names)
cat $SCRIPTS_DIR/$SCRIPT_NAME
echo ""
echo ""
echo ""
echo ""
read -n 1 -s -r -p "Press any key to continue..."
echo ""
echo ""
# copy script over
chmod u+x "$SCRIPTS_DIR/$SCRIPT_NAME"
parallel vagrant scp "$SCRIPTS_DIR/$SCRIPT_NAME" "{}:~/" ::: $NODE_NAMES
# remotely run the script
parallel vagrant ssh {} -c "\~/$SCRIPT_NAME" ::: $NODE_NAMES