From 6f8dada9e096c887a8c4a2a286e167fbd997d056 Mon Sep 17 00:00:00 2001
From: "kayos@tcp.direct" <kayos@tcp.direct>
Date: Tue, 18 Oct 2022 23:09:59 -0700
Subject: [PATCH] Add run-on-all-nodes

---
 lib.sh              | 16 ++++++++++++++++
 run-on-all-nodes.sh | 19 +++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 lib.sh
 create mode 100755 run-on-all-nodes.sh

diff --git a/lib.sh b/lib.sh
new file mode 100644
index 0000000..0d6e3b9
--- /dev/null
+++ b/lib.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+get-targets() {
+	cat /etc/hosts | awk '{print $NF}' | grep -v localhost | grep -v "$(uname -n | awk -F '.' '{print $1}')" | /bin/grep "[a-z]"
+}
+
+export _ignore=("tcp.ac")
+ignore() {
+	for iggie in "${_ignore[@]}"; do
+		echo "$iggie"
+		if [[ "$*" =~ $iggie ]]; then
+			true
+		fi
+	done
+	false
+}
diff --git a/run-on-all-nodes.sh b/run-on-all-nodes.sh
new file mode 100755
index 0000000..335f75a
--- /dev/null
+++ b/run-on-all-nodes.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+source lib.sh
+
+echo "preparing to run $* on all nodes"
+
+_self="$(uname -n)"
+
+set +e
+echo "running on self"
+ssh -n "$_self" "$@"
+set -e
+
+get-targets | while read -r line; do
+	if ! ignore "$line"; then
+		echo "running on $line"
+		ssh -n "$line" "$@" &
+	fi
+done