]>
git.ipfire.org Git - people/pmueller/ipfire-2.x.git/blob - src/initscripts/helper/aws-setup
9 wget
-qO - "http://169.254.169.254/latest/${file}"
15 local o1
=$
(( (n
& 0xff000000) >> 24 ))
16 local o2
=$
(( (n
& 0xff0000) >> 16 ))
17 local o3
=$
(( (n
& 0xff00) >> 8 ))
18 local o4
=$
(( (n
& 0xff) ))
20 printf "%d.%d.%d.%d\n" "${o1}" "${o2}" "${o3}" "${o4}"
29 for i
in ${address//\./ }; do
30 integer
=$
(( (integer
<< 8) + i ))
33 printf "%d\n" "${integer}"
39 local zeros=$(( 32 - prefix ))
43 for (( i=0; i<${zeros}; i++ )); do
44 netmask=$(( (netmask << 1) ^ 1 ))
47 to_address "$(( netmask ^ 0xffffffff ))"
54 for path in /sys/class/net/*; do
55 local address="$(<${path}/address)"
57 if [ "${mac}" = "${address}" ]; then
66 import_aws_configuration() {
67 local instance_id="$(get meta-data/instance-id)"
69 boot_mesg "Importing AWS configuration for instance ${instance_id}..."
72 echo "${instance_id}" > /var/run/aws-instance-id
74 # Initialise system settings
75 local hostname=$(get meta-data/local-hostname)
78 if ! grep -q "^HOSTNAME=" /var/ipfire/main/settings; then
79 echo "HOSTNAME=${hostname%%.*}" >> /var/ipfire/main/settings
83 if ! grep -q "^DOMAINNAME=" /var/ipfire/main/settings; then
84 echo "DOMAINNAME=${hostname#*.}" >> /var/ipfire/main/settings
88 if ! getent passwd setup &>/dev/null; then
89 useradd setup -s /usr/bin/run-setup -g nobody -m
95 # Import SSH keys for setup user
97 for line in $(get "meta-data/public-keys/"); do
98 local key_no="${line%=*}"
100 local key="$(get meta-data/public-keys/${key_no}/openssh-key)"
101 if [ -n "${key}" ] && ! grep -q "^${key}$" "/home/setup/.ssh/authorized_keys" 2>/dev/null; then
102 mkdir -p "/home/setup/.ssh"
103 chmod 700 "/home/setup/.ssh"
104 chown setup.nobody "/home/setup/.ssh"
106 echo "${key}" >> "/home/setup/.ssh/authorized_keys"
107 chmod 600 "/home/setup/.ssh/authorized_keys"
108 chown setup.nobody "/home/setup/.ssh/authorized_keys"
113 local user_data="$(get user-data)"
115 # Import any DNS server settings
116 eval $(/usr/local/bin/readhash <(grep -E "^DNS([0-9])=" /var/ipfire/ethernet/settings 2>/dev/null))
118 # Import network configuration
119 # After this, no network connectivity will be available from this script due to the
120 # renaming of the network interfaces for which they have to be shut down
122 : > /var/ipfire/ethernet/settings
125 for mac in $(get meta-data/network/interfaces/macs/); do
126 # Remove trailing slash
129 local device_number="$(get "meta-data/network/interfaces/macs/${mac}/device-number")"
130 local interface_id="$(get "meta-data/network/interfaces/macs/${mac}/interface-id")"
133 local ipv4_address="$(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | head -n1)"
134 local ipv4_address_num="$(to_integer "${ipv4_address}")"
137 local vpc="$(get "meta-data/network/interfaces/macs/${mac}/vpc-ipv4-cidr-block")"
138 local vpc_netaddress="${vpc%/*}"
139 local vpc_netaddress_num="$(to_integer "${vpc_netaddress}")"
142 local subnet="$(get "meta-data/network/interfaces/macs/${mac}/subnet-ipv4-cidr-block")"
144 local prefix="${subnet#*/}"
145 local netmask="$(prefix2netmask "${prefix}")"
146 local netmask_num="$(to_integer "${netmask}")"
148 # Calculate the network and broadcast addresses
149 local netaddress="${subnet%/*}"
150 local netaddress_num="$(to_integer "${netaddress}")"
151 local broadcast="$(to_address $(( ipv4_address_num | (0xffffffff ^ netmask_num) )))"
153 case "${device_number}" in
156 local interface_name="red0"
158 # The gateway is always the first IP address in the subnet
159 local gateway="$(to_address $(( netaddress_num + 1 )))"
161 # The AWS internal DNS service is available on the second IP address of the VPC
162 local dns1="$(to_address $(( vpc_netaddress_num + 2 )))"
166 echo "RED_TYPE=STATIC"
167 echo "RED_DEV=${interface_name}"
168 echo "RED_MACADDR=${mac}"
169 echo "RED_DESCRIPTION='${interface_id}'"
170 echo "RED_ADDRESS=${ipv4_address}"
171 echo "RED_NETMASK=${netmask}"
172 echo "RED_NETADDRESS=${netaddress}"
173 echo "RED_BROADCAST=${broadcast}"
174 echo "DEFAULT_GATEWAY=${gateway}"
175 echo "DNS1=${DNS1:-${dns1}}"
176 echo "DNS2=${DNS2:-${dns2}}"
177 ) >> /var/ipfire/ethernet/settings
179 # Import aliases for RED
180 for alias in $(get "meta-data/network/interfaces/macs/${mac}/local-ipv4s" | tail -n +2); do
182 done > /var/ipfire/ethernet/aliases
187 local interface_name="green0"
190 echo "GREEN_DEV=${interface_name}"
191 echo "GREEN_MACADDR=${mac}"
192 echo "GREEN_DESCRIPTION='${interface_id}'"
193 echo "GREEN_ADDRESS=${ipv4_address}"
194 echo "GREEN_NETMASK=${netmask}"
195 echo "GREEN_NETADDRESS=${netaddress}"
196 echo "GREEN_BROADCAST=${broadcast}"
197 ) >> /var/ipfire/ethernet/settings
202 local interface_name="orange0"
206 echo "ORANGE_DEV=${interface_name}"
207 echo "ORANGE_MACADDR=${mac}"
208 echo "ORANGE_DESCRIPTION='${interface_id}'"
209 echo "ORANGE_ADDRESS=${ipv4_address}"
210 echo "ORANGE_NETMASK=${netmask}"
211 echo "ORANGE_NETADDRESS=${netaddress}"
212 echo "ORANGE_BROADCAST=${broadcast}"
213 ) >> /var/ipfire/ethernet/settings
218 local interface="$(find_interface "${mac}")"
220 if [ -n "${interface}" ] && [ -n "${interface_name}" ] && [ "${interface}" != "${interface_name}" ]; then
221 ip link set "${interface}" down
222 ip link set "${interface}" name "${interface_name}"
227 echo "CONFIG_TYPE=${config_type}" >> /var/ipfire/ethernet/settings
229 # Actions performed only on the very first start
230 if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
232 sed -e "s/ENABLE_SSH=.*/ENABLE_SSH=on/g" -i /var/ipfire/remote/settings
234 # Disable SSH password authentication
235 sed -e "s/^ENABLE_SSH_PASSWORDS=.*/ENABLE_SSH_PASSWORDS=off/" -i /var/ipfire/remote/settings
237 # Enable SSH key authentication
238 sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings
241 /usr/local/bin/sshctrl
243 # Mark SSH to start immediately (but not right now)
244 touch /var/ipfire/remote/enablessh
245 chown nobody:nobody /var/ipfire/remote/enablessh
247 # Firewall rules for SSH and WEBIF
249 echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
250 echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
251 ) >> /var/ipfire/firewall/input
253 # This script has now completed the first steps of setup
254 touch /var/ipfire/main/firstsetup_ok
256 # Save user-data script to be executed later
257 if [ "${user_data:0:2}" = "#!" ]; then
258 echo "${user_data}" > /tmp/aws-user-data.script
259 chmod 700 /tmp/aws-user-data.script
269 # Bring up the interface
270 ip link set "${interface}" up
273 BOUND|RENEW|REBIND|REBOOT)
274 # Remove any previous IP addresses
275 ip addr flush dev "${interface}"
277 # Add (or re-add) the new IP address
278 ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}"
280 # Add the default route
281 ip route add default via "${new_routers}"
283 # Import AWS configuration
284 import_aws_configuration
287 EXPIRE|FAIL|RELEASE|STOP)
288 # Remove all IP addresses
289 ip addr flush dev "${interface}"
293 echo "Unhandled reason: ${reason}" >&2