]>
git.ipfire.org Git - people/pmueller/ipfire-2.x.git/blob - src/initscripts/helper/aws-setup
d79ac2a764d5d433732d9be77300f173dde41e62
9 wget
-qO - "http://169.254.169.254/latest/meta-data/${file}"
15 local o1
=$
(( (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 "$(( netmask ^ 0xffffffff ))"
50 import_aws_configuration() {
51 local instance_id="$(get instance-id)"
53 boot_mesg "Importing AWS configuration for instance ${instance_id}..."
55 # Initialise system settings
56 if [ ! -s "/var/ipfire/main/settings" ]; then
57 local hostname=$(get local-hostname)
60 echo "HOSTNAME=${hostname%%.*}"
61 echo "DOMAINNAME=${hostname#*.}"
62 ) > /var/ipfire/main/settings
65 # Import any DNS server settings
66 eval $(/usr/local/bin/readhash <(grep -E "^DNS([0-9])=" /var/ipfire/ethernet/settings 2>/dev/null))
68 # Import network configuration
72 ) > /var/ipfire/ethernet/settings
74 for mac in $(get network/interfaces/macs/); do
75 # Remove trailing slash
78 local device_number="$(get "network/interfaces/macs/${mac}/device-number")"
79 local interface_id="$(get "network/interfaces/macs/${mac}/interface-id")"
82 local ipv4_address="$(get "network/interfaces/macs/${mac}/local-ipv4s" | head -n1)"
83 local ipv4_address_num="$(to_integer "${ipv4_address}")"
86 local subnet="$(get "network/interfaces/macs/${mac}/subnet-ipv4-cidr-block")"
88 local prefix="${subnet#*/}"
89 local netmask="$(prefix2netmask "${prefix}")"
90 local netmask_num="$(to_integer "${netmask}")"
92 # Calculate the network and broadcast addresses
93 local netaddress="${subnet%/*}"
94 local netaddress_num="$(to_integer "${netaddress}")"
95 local broadcast="$(to_address $(( ipv4_address_num | (0xffffffff ^ netmask_num) )))"
97 # The gateway is always the first IP address in the subnet
98 local gateway="$(to_address $(( netaddress_num + 1 )))"
100 # The AWS internal DNS service is available on the fourth IP address of each subnet
101 local dns1="$(to_address $(( netaddress_num + 4 )))"
104 case "${device_number}" in
108 echo "RED_TYPE=STATIC"
110 echo "RED_MACADDR=${mac}"
111 echo "RED_DESCRIPTION='${interface_id}'"
112 echo "RED_ADDRESS=${ipv4_address}"
113 echo "RED_NETMASK=${netmask}"
114 echo "RED_NETADDRESS=${netaddress}"
115 echo "RED_BROADCAST=${broadcast}"
116 echo "DEFAULT_GATEWAY=${gateway}"
117 echo "DNS1=${DNS1:-${dns1}}"
118 echo "DNS2=${DNS2:-${dns2}}"
119 ) >> /var/ipfire/ethernet/settings
121 # Import aliases for RED
122 for alias in $(get "network/interfaces/macs/${mac}/local-ipv4s" | tail -n +2); do
124 done > /var/ipfire/ethernet/aliases
130 echo "GREEN_DEV=green0"
131 echo "GREEN_MACADDR=${mac}"
132 echo "GREEN_DESCRIPTION='${interface_id}'"
133 echo "GREEN_ADDRESS=${ipv4_address}"
134 echo "GREEN_NETMASK=${netmask}"
135 echo "GREEN_NETADDRESS=${netaddress}"
136 echo "GREEN_BROADCAST=${broadcast}"
137 ) >> /var/ipfire/ethernet/settings
143 cat /var/ipfire/ethernet/settings
147 for line in $(get "public-keys/"); do
148 local key_no="${line%=*}"
150 local key="$(get public-keys/${key_no}/openssh-key)"
151 if [ -n "${key}" ] && ! grep -q "^${key}$" /root/.ssh/authorized_keys 2>/dev/null; then
155 echo "${key}" >> /root/.ssh/authorized_keys
156 chmod 600 /root/.ssh/authorized_keys
160 # Actions performed only on the very first start
161 if [ ! -e "/var/ipfire/main/firstsetup_ok" ]; then
163 touch /var/ipfire/remote/enablessh
164 chown nobody:nobody /var/ipfire/remote/enablessh
166 # Enable SSH key authentication
167 sed -e "s/^ENABLE_SSH_KEYS=.*/ENABLE_SSH_KEYS=on/" -i /var/ipfire/remote/settings
169 # Firewall rules for SSH and WEBIF
171 echo "1,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,cust_srv,SSH,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
172 echo "2,ACCEPT,INPUTFW,ON,std_net_src,ALL,ipfire,RED1,,TCP,,,ON,,,TGT_PORT,444,,,,,,,,,,,00:00,00:00,,AUTO,,dnat,,,,,second"
173 ) >> /var/ipfire/firewall/input
175 # This script has now completed the first steps of setup
176 touch /var/ipfire/main/firstsetup_ok
185 # Bring up the interface
186 ip link set "${interface}" up
189 BOUND|RENEW|REBIND|REBOOT)
190 # Remove any previous IP addresses
191 ip addr flush dev "${interface}"
193 # Add (or re-add) the new IP address
194 ip addr add "${new_ip_address}/${new_subnet_mask}" dev "${interface}"
196 # Add the default route
197 ip route add default via "${new_routers}"
199 # Import AWS configuration
200 import_aws_configuration
203 EXPIRE|FAIL|RELEASE|STOP)
204 # Remove all IP addresses
205 ip addr flush dev "${interface}"
209 echo "Unhandled reason: ${reason}" >&2