init for moving Edge 3.1 images from IBS

ironic-image/rundnsmasq

@@ -0,0 +1,35 @@
+#!/usr/bin/bash
+
+set -eux
+
+# shellcheck disable=SC1091
+. /bin/ironic-common.sh
+
+export HTTP_PORT=${HTTP_PORT:-80}
+DNSMASQ_EXCEPT_INTERFACE=${DNSMASQ_EXCEPT_INTERFACE:-lo}
+export DNS_PORT=${DNS_PORT:-0}
+
+wait_for_interface_or_ip
+if [[ "${DNS_IP:-}" == "provisioning" ]]; then
+    export DNS_IP="$IRONIC_URL_HOST"
+fi
+
+mkdir -p /shared/tftpboot
+mkdir -p /shared/html/images
+mkdir -p /shared/html/pxelinux.cfg
+
+# Copy files to shared mount
+cp /tftpboot/undionly.kpxe /tftpboot/snponly.efi /shared/tftpboot
+
+# Template and write dnsmasq.conf
+# we template via /tmp as sed otherwise creates temp files in /etc directory
+# where we can't write
+python3 -c 'import os; import sys; import jinja2; sys.stdout.write(jinja2.Template(sys.stdin.read()).render(env=os.environ))' </etc/dnsmasq.conf.j2 >/tmp/dnsmasq.conf
+
+for iface in $(echo "$DNSMASQ_EXCEPT_INTERFACE" | tr ',' ' '); do
+    sed -i -e "/^interface=.*/ a\except-interface=${iface}" /tmp/dnsmasq.conf
+done
+cat /tmp/dnsmasq.conf > /etc/dnsmasq.conf
+rm /tmp/dnsmasq.conf
+
+exec /usr/sbin/dnsmasq -d -q -C /etc/dnsmasq.conf