]>
git.ipfire.org Git - people/pmueller/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
:${PATH}
9 # AWS supports an MTU of up to 9001 bytes
15 wget
-qO - "http://169.254.169.254/latest/${file}"
21 local o1
=$
(( (n
& 0xff000000) >> 24 ))
22 local o2
=$
(( (n
& 0xff0000) >> 16 ))
23 local o3
=$
(( (n
& 0xff00) >> 8 ))
24 local o4
=$
(( (n
& 0xff) ))
26 printf "%d.%d.%d.%d\n" "${o1}" "${o2}" "${o3}" "${o4}"
35 for i
in ${address//\./ }; do
36 integer
=$
(( (integer
<< 8) + i ))
39 printf "%d\n" "${integer}"
45 local zeros=$(( 32 - prefix ))
49 for (( i=0; i<${zeros}; i++ )); do
50 netmask=$(( (netmask << 1) ^ 1 ))
53 to_address "$(( netmask ^ 0xffffffff ))"
56 import_aws_configuration() {
57 local instance_id="$(get meta-data/instance-id)"
59 boot_mesg "Importing AWS configuration for instance ${instance_id}..."
62 echo "${instance_id}" > /var/run/aws-instance-id
64 # Initialise system settings
65 local hostname=$(get meta-data/local-hostname)
68 if ! grep -q "^HOSTNAME=" /var/ipfire/main/settings; then
69 echo "HOSTNAME=${hostname%%.*}" >> /var/ipfire/main/settings
73 if ! grep -q "^DOMAINNAME=" /var/ipfire/main/settings; then
74 echo "DOMAINNAME=${hostname#*.}" >> /var/ipfire/main/settings
78 if ! getent passwd setup &>/dev/null; then
79 useradd setup -s /usr/bin/run-setup -g nobody -m
85 # Import SSH keys for setup user
87 for line in $(get "meta-data/public-keys/"); do
88 local key_no="${line%=*}"
90 local key="$(get meta-data/public-keys/${key_no}/openssh-key)"
91 if [ -n "${key}" ] && ! grep -q "^${key}$" "/home/setup/.ssh/authorized_keys" 2>/dev/null; then
92 mkdir -p "/home/setup/.ssh"
93 chmod 700 "/home/setup/.ssh"
94 chown setup.nobody "/home/setup/.ssh"
96 echo "${key}" >> "/home/setup/.ssh/authorized_keys"
97 chmod 600 "/home/setup/.ssh/authorized_keys"
98 chown setup.nobody "/home/setup/.ssh/authorized_keys"
102 # Download the user-data script only on the first boot
103 if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
105 local user_data="$(get user-data)"
107 # Save user-data script to be executed later
108 if [ "${user_data:0:2}" = "#!" ]; then
109 echo "${user_data}" > /tmp/aws-user-data.script
110 chmod 700 /tmp/aws-user-data.script
112 # Run the user-data script
113 local now="$(date -u +"%s")"
114 /tmp/aws-user-data.script &>/var/log/user-data.log.${now}
116 # Delete the script right away
117 rm /tmp/aws-user-data.script
121 # Import network configuration
122 # After this, no network connectivity will be available from this script due to the
123 # renaming of the network interfaces for which they have to be shut down
125 : > /var/ipfire/ethernet/settings
128 for mac in $(get meta-data/network/interfaces/macs/); do
129 # Remove trailing slash
132 local device_number="$(get "meta-data/network/interfaces/macs/${mac}/device-number")"
133 local interface_id="$(get "meta-data/network/interfaces/macs/${mac}/interface-id")"
136 local ipv4_address="$(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | head -n1)"
137 local ipv4_address_num="$(to_integer "${ipv4_address}")"
140 local vpc="$(get "meta-data/network/interfaces/macs/${mac}/vpc-ipv4-cidr-block")"
141 local vpc_netaddress="${vpc%/*}"
142 local vpc_netaddress_num="$(to_integer "${vpc_netaddress}")"
145 local subnet="$(get "meta-data/network/interfaces/macs/${mac}/subnet-ipv4-cidr-block")"
147 local prefix="${subnet#*/}"
148 local netmask="$(prefix2netmask "${prefix}")"
149 local netmask_num="$(to_integer "${netmask}")"
151 # Calculate the network and broadcast addresses
152 local netaddress="${subnet%/*}"
153 local netaddress_num="$(to_integer "${netaddress}")"
154 local broadcast="$(to_address $(( ipv4_address_num | (0xffffffff ^ netmask_num) )))"
156 case "${device_number}" in
159 local interface_name="red0"
161 # The gateway is always the first IP address in the subnet
162 local gateway="$(to_address $(( netaddress_num + 1 )))"
165 echo "RED_TYPE=STATIC"
166 echo "RED_DEV=${interface_name}"
167 echo "RED_MACADDR=${mac}"
168 echo "RED_DESCRIPTION='${interface_id}'"
169 echo "RED_ADDRESS=${ipv4_address}"
170 echo "RED_NETMASK=${netmask}"
171 echo "RED_NETADDRESS=${netaddress}"
172 echo "RED_BROADCAST=${broadcast}"
174 echo "DEFAULT_GATEWAY=${gateway}"
175 ) >> /var/ipfire/ethernet/settings
177 # Import aliases for RED
178 for alias in $(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | tail -n +2); do
180 done > /var/ipfire/ethernet/aliases
185 local interface_name="green0"
188 echo "GREEN_DEV=${interface_name}"
189 echo "GREEN_MACADDR=${mac}"
190 echo "GREEN_DESCRIPTION='${interface_id}'"
191 echo "GREEN_ADDRESS=${ipv4_address}"
192 echo "GREEN_NETMASK=${netmask}"
193 echo "GREEN_NETADDRESS=${netaddress}"
194 echo "GREEN_BROADCAST=${broadcast}"
195 echo "GREEN_MTU=${DEFAULT_MTU}"
196 ) >> /var/ipfire/ethernet/settings
201 local interface_name="orange0"
205 echo "ORANGE_DEV=${interface_name}"
206 echo "ORANGE_MACADDR=${mac}"
207 echo "ORANGE_DESCRIPTION='${interface_id}'"
208 echo "ORANGE_ADDRESS=${ipv4_address}"
209 echo "ORANGE_NETMASK=${netmask}"
210 echo "ORANGE_NETADDRESS=${netaddress}"
211 echo "ORANGE_BROADCAST=${broadcast}"
212 echo "ORANGE_MTU=${DEFAULT_MTU}"
213 ) >> /var/ipfire/ethernet/settings
219 echo "CONFIG_TYPE=${config_type}" >> /var/ipfire/ethernet/settings
221 # Actions performed only on the very first start
222 if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
223 # Disable using ISP nameservers
224 sed -e "s/^USE_ISP_NAMESERVERS=.*/USE_ISP_NAMESERVERS=off/" -i /var/ipfire/dns/settings
227 sed -e "s/ENABLE_SSH=.*/ENABLE_SSH=on/g" -i /var/ipfire/remote/settings
229 # Disable SSH password authentication
230 sed -e "s/^ENABLE_SSH_PASSWORDS=.*/ENABLE_SSH_PASSWORDS=off/" -i /var/ipfire/remote/settings
232 # Enable SSH key authentication
233 sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings
236 /usr/local/bin/sshctrl
238 # Mark SSH to start immediately (but not right now)
239 touch /var/ipfire/remote/enablessh
240 chown nobody:nobody /var/ipfire/remote/enablessh
242 # Firewall rules for SSH and WEBIF
244 echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
245 echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
246 ) >> /var/ipfire/firewall/input
248 # This script has now completed the first steps of setup
249 touch /var/ipfire/main/firstsetup_ok
258 # Bring up the interface
259 ip link set "${interface}" up
262 BOUND|RENEW|REBIND|REBOOT)
263 # Remove any previous IP addresses
264 ip addr flush dev "${interface}"
266 # Add (or re-add) the new IP address
267 ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}"
269 # Add the default route
270 ip route add default via "${new_routers}"
273 for domain_name_server in ${new_domain_name_servers}; do
274 echo "nameserver ${domain_name_server}"
275 done > /etc/resolv.conf
277 # The system is online now
278 touch /var/ipfire/red/active
280 # Import AWS configuration
281 import_aws_configuration
284 EXPIRE|FAIL|RELEASE|STOP)
285 # The system is no longer online
286 rm -f /var/ipfire/red/active
288 # Remove all IP addresses
289 ip addr flush dev "${interface}"
291 # Shut down the interface
292 ip link set "${interface}" down
296 echo "Unhandled reason: ${reason}" >&2