]>
git.ipfire.org Git - ipfire-2.x.git/blob - src/initscripts/helper/aws-setup
6 # Set PATH to find our own executables
7 export PATH
=/usr
/local
/sbin
:/usr
/local
/bin
:${PATH}
12 wget
-qO - "http://169.254.169.254/latest/${file}"
18 local o1
=$
(( (n
& 0xff000000) >> 24 ))
19 local o2
=$
(( (n
& 0xff0000) >> 16 ))
20 local o3
=$
(( (n
& 0xff00) >> 8 ))
21 local o4
=$
(( (n
& 0xff) ))
23 printf "%d.%d.%d.%d\n" "${o1}" "${o2}" "${o3}" "${o4}"
32 for i
in ${address//\./ }; do
33 integer
=$
(( (integer
<< 8) + i ))
36 printf "%d\n" "${integer}"
42 local zeros=$(( 32 - prefix ))
46 for (( i=0; i<${zeros}; i++ )); do
47 netmask=$(( (netmask << 1) ^ 1 ))
50 to_address "$(( netmask ^ 0xffffffff ))"
53 import_aws_configuration() {
54 local instance_id="$(get meta-data/instance-id)"
56 boot_mesg "Importing AWS configuration for instance ${instance_id}..."
59 echo "${instance_id}" > /var/run/aws-instance-id
61 # Initialise system settings
62 local hostname=$(get meta-data/local-hostname)
65 if ! grep -q "^HOSTNAME=" /var/ipfire/main/settings; then
66 echo "HOSTNAME=${hostname%%.*}" >> /var/ipfire/main/settings
70 if ! grep -q "^DOMAINNAME=" /var/ipfire/main/settings; then
71 echo "DOMAINNAME=${hostname#*.}" >> /var/ipfire/main/settings
75 if ! getent passwd setup &>/dev/null; then
76 useradd setup -s /usr/bin/run-setup -g nobody -m
82 # Import SSH keys for setup user
84 for line in $(get "meta-data/public-keys/"); do
85 local key_no="${line%=*}"
87 local key="$(get meta-data/public-keys/${key_no}/openssh-key)"
88 if [ -n "${key}" ] && ! grep -q "^${key}$" "/home/setup/.ssh/authorized_keys" 2>/dev/null; then
89 mkdir -p "/home/setup/.ssh"
90 chmod 700 "/home/setup/.ssh"
91 chown setup.nobody "/home/setup/.ssh"
93 echo "${key}" >> "/home/setup/.ssh/authorized_keys"
94 chmod 600 "/home/setup/.ssh/authorized_keys"
95 chown setup.nobody "/home/setup/.ssh/authorized_keys"
99 # Download the user-data script only on the first boot
100 if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
102 /etc/init.d/pakfire start &>/dev/null
104 # Install all available updates
105 ( pakfire update && pakfire upgrade -y ) &>/dev/null
107 # If an update requires a reboot, we will do it
108 if [ -e "/var/run/need_reboot" ]; then
114 local user_data="$(get user-data)"
116 # Save user-data script to be executed later
117 if [ "${user_data:0:2}" = "#!" ]; then
118 echo "${user_data}" > /tmp/aws-user-data.script
119 chmod 700 /tmp/aws-user-data.script
121 # Run the user-data script
122 /tmp/aws-user-data.script &>/root/user-data.log
124 # Delete the script right away
125 rm /tmp/aws-user-data.script
129 # Import any DNS server settings
130 eval $(/usr/local/bin/readhash <(grep -E "^DNS([0-9])=" /var/ipfire/ethernet/settings 2>/dev/null))
132 # Import network configuration
133 # After this, no network connectivity will be available from this script due to the
134 # renaming of the network interfaces for which they have to be shut down
136 : > /var/ipfire/ethernet/settings
139 for mac in $(get meta-data/network/interfaces/macs/); do
140 # Remove trailing slash
143 local device_number="$(get "meta-data/network/interfaces/macs/${mac}/device-number")"
144 local interface_id="$(get "meta-data/network/interfaces/macs/${mac}/interface-id")"
147 local ipv4_address="$(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | head -n1)"
148 local ipv4_address_num="$(to_integer "${ipv4_address}")"
151 local vpc="$(get "meta-data/network/interfaces/macs/${mac}/vpc-ipv4-cidr-block")"
152 local vpc_netaddress="${vpc%/*}"
153 local vpc_netaddress_num="$(to_integer "${vpc_netaddress}")"
156 local subnet="$(get "meta-data/network/interfaces/macs/${mac}/subnet-ipv4-cidr-block")"
158 local prefix="${subnet#*/}"
159 local netmask="$(prefix2netmask "${prefix}")"
160 local netmask_num="$(to_integer "${netmask}")"
162 # Calculate the network and broadcast addresses
163 local netaddress="${subnet%/*}"
164 local netaddress_num="$(to_integer "${netaddress}")"
165 local broadcast="$(to_address $(( ipv4_address_num | (0xffffffff ^ netmask_num) )))"
167 case "${device_number}" in
170 local interface_name="red0"
172 # The gateway is always the first IP address in the subnet
173 local gateway="$(to_address $(( netaddress_num + 1 )))"
175 # The AWS internal DNS service is available on the second IP address of the VPC
176 local dns1="$(to_address $(( vpc_netaddress_num + 2 )))"
180 echo "RED_TYPE=STATIC"
181 echo "RED_DEV=${interface_name}"
182 echo "RED_MACADDR=${mac}"
183 echo "RED_DESCRIPTION='${interface_id}'"
184 echo "RED_ADDRESS=${ipv4_address}"
185 echo "RED_NETMASK=${netmask}"
186 echo "RED_NETADDRESS=${netaddress}"
187 echo "RED_BROADCAST=${broadcast}"
188 echo "DEFAULT_GATEWAY=${gateway}"
189 echo "DNS1=${DNS1:-${dns1}}"
190 echo "DNS2=${DNS2:-${dns2}}"
191 ) >> /var/ipfire/ethernet/settings
193 # Import aliases for RED
194 for alias in $(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | tail -n +2); do
196 done > /var/ipfire/ethernet/aliases
201 local interface_name="green0"
204 echo "GREEN_DEV=${interface_name}"
205 echo "GREEN_MACADDR=${mac}"
206 echo "GREEN_DESCRIPTION='${interface_id}'"
207 echo "GREEN_ADDRESS=${ipv4_address}"
208 echo "GREEN_NETMASK=${netmask}"
209 echo "GREEN_NETADDRESS=${netaddress}"
210 echo "GREEN_BROADCAST=${broadcast}"
211 ) >> /var/ipfire/ethernet/settings
216 local interface_name="orange0"
220 echo "ORANGE_DEV=${interface_name}"
221 echo "ORANGE_MACADDR=${mac}"
222 echo "ORANGE_DESCRIPTION='${interface_id}'"
223 echo "ORANGE_ADDRESS=${ipv4_address}"
224 echo "ORANGE_NETMASK=${netmask}"
225 echo "ORANGE_NETADDRESS=${netaddress}"
226 echo "ORANGE_BROADCAST=${broadcast}"
227 ) >> /var/ipfire/ethernet/settings
233 echo "CONFIG_TYPE=${config_type}" >> /var/ipfire/ethernet/settings
237 # Actions performed only on the very first start
238 if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
240 sed -e "s/ENABLE_SSH=.*/ENABLE_SSH=on/g" -i /var/ipfire/remote/settings
242 # Disable SSH password authentication
243 sed -e "s/^ENABLE_SSH_PASSWORDS=.*/ENABLE_SSH_PASSWORDS=off/" -i /var/ipfire/remote/settings
245 # Enable SSH key authentication
246 sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings
249 /usr/local/bin/sshctrl
251 # Mark SSH to start immediately (but not right now)
252 touch /var/ipfire/remote/enablessh
253 chown nobody:nobody /var/ipfire/remote/enablessh
255 # Firewall rules for SSH and WEBIF
257 echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
258 echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
259 ) >> /var/ipfire/firewall/input
261 # This script has now completed the first steps of setup
262 touch /var/ipfire/main/firstsetup_ok
271 # Bring up the interface
272 ip link set "${interface}" up
275 BOUND|RENEW|REBIND|REBOOT)
276 # Remove any previous IP addresses
277 ip addr flush dev "${interface}"
279 # Add (or re-add) the new IP address
280 ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}"
282 # Add the default route
283 ip route add default via "${new_routers}"
286 for domain_name_server in ${new_domain_name_servers}; do
287 echo "nameserver ${domain_name_server}"
288 done > /etc/resolv.conf
290 # The system is online now
291 touch /var/ipfire/red/active
293 # Import AWS configuration
294 import_aws_configuration
297 EXPIRE|FAIL|RELEASE|STOP)
298 # The system is no longer online
299 rm -f /var/ipfire/red/active
301 # Remove all IP addresses
302 ip addr flush dev "${interface}"
304 # Shut down the interface
305 ip link set "${interface}" down
309 echo "Unhandled reason: ${reason}" >&2