add inventory/scripts/update.sh

inventory/scripts/update.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+#
+# Wrapper script for the entire update procedure including
+#   * updating git repo
+#   * downloading roles
+#   * running playbook
+#
+# This script first asks for the passwords for all the hosts and then pipes them
+# to the ansible playbook wrapper script, so that we don't need to wait for the
+# merging and downloading to finish, before being asked for the passwords.
+#
+
+# exit on errors
+set -e
+
+# set playbook root path
+root=$(dirname "$(readlink -f "$0")")/../..
+
+# capture passwords for all hosts
+for host in "$root"/inventory/*.yml; do
+    read -rp "sudo password for $(basename "$host"): " -s pw
+    pipeinput+="$pw\n"
+    echo
+done
+
+# merge upstream master branch
+git -C "$root" pull upstream master
+
+# check the changelog before updating
+less CHANGELOG.md
+read -r
+
+# download upstream roles
+make -f "$root"/Makefile roles
+
+# run ansible-playbook on all hosts
+echo -e "$pipeinput" | bash "$root"/inventory/scripts/ansible-all-hosts.sh