From 2fe852f12219a568e0a6b7fc880d47bc63a4f8a6 Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Thu, 4 Aug 2022 16:27:58 -0400
Subject: [PATCH] Add draft of a debian-installer-startup script

This is a draft for use in debian profiles to get started
---
 misc/debianbootstrap | 58 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 misc/debianbootstrap

diff --git a/misc/debianbootstrap b/misc/debianbootstrap
new file mode 100644
index 00000000..31f07a16
--- /dev/null
+++ b/misc/debianbootstrap
@@ -0,0 +1,58 @@
+reverse_uuid() {
+    echo $1 | head -c 8 | tail -c 2
+    echo $1 | head -c 6 | tail -c 2
+    echo $1 | head -c 4 | tail -c 2
+    echo $1 | head -c 2 | tail -c 2
+    echo $1 | head -c 13 | tail -c 2
+    echo $1 | head -c 11 | tail -c 2
+    echo $1 | head -c 18 | tail -c 2
+    echo $1 | head -c 16 | tail -c 2
+    echo $1 | tail -c 18 | sed -e s/-//
+}
+
+dhuuid=$(reverse_uuid $(cat /sys/devices/virtual/dmi/id/product_uuid))
+dhcpid=$(mktemp)
+mkdir -p /etc/confluent
+cp /tls/* /etc/ssl/certs/
+for nic in $(ip link | grep mtu|grep -v LOOPBACK|cut -d: -f 2); do
+     ip link set $nic up
+done
+for nic in $(ip link | grep mtu|grep -v LOOPBACK|grep LOWER_UP|cut -d: -f 2); do
+    if udhcpc -i $nic -p $dhcpid -t 2 -T 2 -n -x 93:0007 -x 97:00$dhuuid -q; then
+         /opt/confluent/bin/copernicus > /etc/confluent/confluent.info
+         if grep ^MANAGER:.*\\. /etc/confluent/confluent.info ; then
+             break
+         fi
+    fi
+    ip -4 flush dev $nic
+done    
+mgr=$(grep ^MANAGER:.*\\. /etc/confluent/confluent.info|head -n 1|cut -d: -f 2)
+nodename=$(grep ^NODENAME: /etc/confluent/confluent.info|head -n 1|cut -d: -f 2)
+/opt/confluent/bin/clortho $nodename $mgr > /etc/confluent/confluent.apikey
+apikey=$(cat /etc/confluent/confluent.apikey)
+cd /etc/confluent
+wget --header="CONFLUENT_NODENAME: $nodename" --header="CONFLUENT_APIKEY: $apikey" https://$mgr/confluent-api/self/deploycfg
+ip -4 a flush dev $nic
+debconf-set netcfg/choose_interface $nic
+v4cfgmeth=$(grep ipv4_method: /etc/confluent/deploycfg |cut -d: -f 2)
+if [ "$v4cfgmeth" = "static" ]; then
+    v4addr=$(grep ^ipv4_address: /etc/confluent/deploycfg|cut -d: -f 2)
+    v4gw=$(grep ^ipv4_gateway: /etc/confluent/deploycfg|cut -d: -f 2)
+    if [ "$v4gw" = "null" ]; then
+        v4gw=""
+    fi
+    v4nm=$(grep ^ipv4_netmask: /etc/confluent/deploycfg|cut -d: -f 2)
+    debconf-set netcfg/get_netmask $v4nm
+    debconf-set netcfg/get_ipaddress $v4addr
+    debconf-set netcfg/confirm_static true
+    if [ ! -z "$v4gw" ]; then
+        debconf-set netcfg/get_gateway $v4gw
+    fi
+    namesrvs=$(sed -n '/^nameservers:/,/^[^-]/p' /etc/confluent/deploycfg|grep ^- | cut -d ' ' -f 2)
+    for namesrv in "$namesrvs"; do
+        debconf-set netcfg/get_nameservers $namesrv
+    done
+elif [ "$vpcfgmeth" = "dhcp" ]; then
+    udhcpc -i $nic
+fi
+