fix: add default domain and other cleanup

LICENSE

@@ -1,6 +1,6 @@
 The MIT License
 
-Copyright (c) 2020 Deavon McCaffery, Tiffany Wang, and Contributors
+Copyright (c) 2020-2021 Deavon McCaffery, Tiffany Wang, and Contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

bridge.sh

@@ -1,4 +1,4 @@
-#! /usr/bin/env bash
+#! /usr/bin/env sh
 set -eu
 
 # install all prerequisites
@@ -9,38 +9,42 @@ sudo apt-get install qemu-kvm libvirt-daemon-system \
 # make sure libvirtd is enabled
 sudo systemctl enable libvirtd
 
-# get a list of active ethernet devices (deal with whitespace)
-OLDIFS=$IFS
-IFS=$'\n'
-ACTIVE_CONNECTIONS=( $(nmcli -get-values NAME,DEVICE,TYPE connection show --active | grep ethernet | grep -v bridge | cut -d ':' -f 1,2) )
-IFS=$OLDIFS
-
-if [ -z "${ACTIVE_CONNECTIONS:-}" ]; then
-    echo
-    echo "no active connections to bridge..."
-    exit 1
-fi
-
 # delete and recreate the bridge
 sudo nmcli connection delete br0 || true
 sudo nmcli con add ifname br0 type bridge con-name br0 || true
 sudo nmcli con modify br0 bridge.stp no
 
 # disable netfilter for the bridge network to avoid issues with docker network configs
-sudo cat << EOF > /etc/sysctl.d/bridge.conf
+cat << EOF | sudo tee /etc/sysctl.d/bridge.conf
 net.bridge.bridge-nf-call-ip6tables = 0
 net.bridge.bridge-nf-call-iptables = 0
 net.bridge.bridge-nf-call-arptables = 0
+net.ipv4.ip_forward = 1
 EOF
 
 # activate the netfilter configuration for the bridge device
-sudo cat << EOF > /etc/udev/rules.d/99-bridge.rules
+cat << EOF | sudo tee /etc/udev/rules.d/99-bridge.rules
 ACTION=="add", SUBSYSTEM=="module", KERNEL=="br_netfilter", RUN+="/sbin/sysctl -p /etc/sysctl.d/bridge.conf"
 EOF
 
 # update network configuration
 sudo netplan apply
 
+# wait for connections
+sleep 15
+
+# get a list of active ethernet devices (deal with whitespace)
+OLDIFS=$IFS
+IFS=$'\n'
+ACTIVE_CONNECTIONS=( $(nmcli -get-values NAME,DEVICE,TYPE connection show --active | grep ethernet | grep -v bridge | cut -d ':' -f 1,2) )
+IFS=$OLDIFS
+
+if [ -z "${ACTIVE_CONNECTIONS:-}" ]; then
+    echo
+    echo "no active connections to bridge..."
+    exit 1
+fi
+
 # iterate over each device
 for connection in "${ACTIVE_CONNECTIONS[@]}"; do
 

cloud_init.cfg.template

@@ -35,6 +35,3 @@ bootcmd:
 
 runcmd:
   - mkdir -p /home/kube-admin/.ssh || true
-  - curl https://github.com/GH_USER.keys | tee -a /home/kube-admin/.ssh/authorized_keys
-  - chmod -R u=rwX,g=rX,o= /home/kube-admin/.ssh
-  - chown -R kube-admin:kube-admin /home/kube-admin/.ssh