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ansible/roles/common/templates/nsupdate_keygen.sh

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#!/bin/bash
set -euxo pipefail;
if [[ -z "${1+x}" ]]; then
echo "Usage: $(basename "$0") HOST [PATH]" >&2
exit 2;
fi
key_path="${2:-1}";
if [[ "$key_path" = /* ]]; then
target="$key_path";
else
target="$PWD/$key_path";
fi
tmpdir="$(mktemp --directory)";
cd "$tmpdir";
name="$(dnssec-keygen -a {{ global_dns_update_key_algorithm }} -n HOST -T KEY "$1")";
for suffix in "key" "private"; do
mv "$tmpdir/$name.$suffix" "$target.$suffix";
done
rm -rf "$tmpdir";