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1 | 38305e4c | Dimitris Aragiorgis | #!/bin/bash |
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2 | 38305e4c | Dimitris Aragiorgis | |
3 | 90f2e36b | Dimitris Aragiorgis | source /etc/default/snf-network |
4 | 90f2e36b | Dimitris Aragiorgis | |
5 | 38305e4c | Dimitris Aragiorgis | function try { |
6 | 38305e4c | Dimitris Aragiorgis | |
7 | aeaafeb9 | Dimitris Aragiorgis | $1 &>/dev/null || true |
8 | 38305e4c | Dimitris Aragiorgis | |
9 | 38305e4c | Dimitris Aragiorgis | } |
10 | 38305e4c | Dimitris Aragiorgis | |
11 | 38305e4c | Dimitris Aragiorgis | function clear_routed_setup_ipv4 { |
12 | 38305e4c | Dimitris Aragiorgis | |
13 | 38305e4c | Dimitris Aragiorgis | arptables -D OUTPUT -o $INTERFACE --opcode request -j mangle |
14 | 38305e4c | Dimitris Aragiorgis | while ip rule del dev $INTERFACE; do :; done |
15 | 38305e4c | Dimitris Aragiorgis | iptables -D FORWARD -i $INTERFACE -p udp --dport 67 -j DROP |
16 | 38305e4c | Dimitris Aragiorgis | |
17 | 38305e4c | Dimitris Aragiorgis | } |
18 | 38305e4c | Dimitris Aragiorgis | |
19 | 38305e4c | Dimitris Aragiorgis | function clear_routed_setup_ipv6 { |
20 | 38305e4c | Dimitris Aragiorgis | |
21 | 38305e4c | Dimitris Aragiorgis | while ip -6 rule del dev $INTERFACE; do :; done |
22 | 38305e4c | Dimitris Aragiorgis | |
23 | 38305e4c | Dimitris Aragiorgis | } |
24 | 38305e4c | Dimitris Aragiorgis | |
25 | aeaafeb9 | Dimitris Aragiorgis | function delete_neighbor_proxy { |
26 | aeaafeb9 | Dimitris Aragiorgis | |
27 | 5b3472ad | Dimitris Aragiorgis | if [ -z "$EUI64" -z -o "$UPLINK6" ]; then |
28 | 90f2e36b | Dimitris Aragiorgis | return |
29 | 90f2e36b | Dimitris Aragiorgis | fi |
30 | 90f2e36b | Dimitris Aragiorgis | |
31 | 5b3472ad | Dimitris Aragiorgis | $SNF_NETWORK_LOG $0 "ip -6 neigh del proxy $EUI64 dev $UPLINK6" |
32 | 5b3472ad | Dimitris Aragiorgis | ip -6 neigh del proxy $EUI64 dev $UPLINK6 |
33 | aeaafeb9 | Dimitris Aragiorgis | |
34 | aeaafeb9 | Dimitris Aragiorgis | } |
35 | 38305e4c | Dimitris Aragiorgis | |
36 | 38305e4c | Dimitris Aragiorgis | function clear_routed_setup_firewall { |
37 | 38305e4c | Dimitris Aragiorgis | |
38 | 38305e4c | Dimitris Aragiorgis | for oldchain in protected unprotected limited; do |
39 | 38305e4c | Dimitris Aragiorgis | iptables -D FORWARD -o $INTERFACE -j $oldchain |
40 | 38305e4c | Dimitris Aragiorgis | ip6tables -D FORWARD -o $INTERFACE -j $oldchain |
41 | 38305e4c | Dimitris Aragiorgis | done |
42 | 38305e4c | Dimitris Aragiorgis | |
43 | 38305e4c | Dimitris Aragiorgis | } |
44 | 38305e4c | Dimitris Aragiorgis | |
45 | 38305e4c | Dimitris Aragiorgis | function clear_ebtables { |
46 | 38305e4c | Dimitris Aragiorgis | |
47 | 1409faba | Stratos Psomadakis | runlocked $RUNLOCKED_OPTS ebtables -D FORWARD -i $INTERFACE -j $FROM |
48 | a67910c4 | Dimitris Aragiorgis | runlocked $RUNLOCKED_OPTS ebtables -D INPUT -i $INTERFACE -j $FROM |
49 | 1409faba | Stratos Psomadakis | runlocked $RUNLOCKED_OPTS ebtables -D FORWARD -o $INTERFACE -j $TO |
50 | a67910c4 | Dimitris Aragiorgis | runlocked $RUNLOCKED_OPTS ebtables -D OUTPUT -o $INTERFACE -j $TO |
51 | 38305e4c | Dimitris Aragiorgis | |
52 | 1409faba | Stratos Psomadakis | runlocked $RUNLOCKED_OPTS ebtables -X $FROM |
53 | 1409faba | Stratos Psomadakis | runlocked $RUNLOCKED_OPTS ebtables -X $TO |
54 | 38305e4c | Dimitris Aragiorgis | } |
55 | 38305e4c | Dimitris Aragiorgis | |
56 | 38305e4c | Dimitris Aragiorgis | |
57 | 38305e4c | Dimitris Aragiorgis | function clear_nfdhcpd { |
58 | 38305e4c | Dimitris Aragiorgis | |
59 | 38305e4c | Dimitris Aragiorgis | rm $NFDHCPD_STATE_DIR/$INTERFACE |
60 | 38305e4c | Dimitris Aragiorgis | |
61 | 38305e4c | Dimitris Aragiorgis | } |
62 | 38305e4c | Dimitris Aragiorgis | |
63 | 38305e4c | Dimitris Aragiorgis | |
64 | 38305e4c | Dimitris Aragiorgis | function routed_setup_ipv4 { |
65 | 38305e4c | Dimitris Aragiorgis | |
66 | 0363b080 | Dimitris Aragiorgis | if [ -z "$INTERFACE" -o -z "$NETWORK_GATEWAY" -o -z "$IP" -o -z "$TABLE" ] |
67 | 0363b080 | Dimitris Aragiorgis | then |
68 | 0363b080 | Dimitris Aragiorgis | return |
69 | 0363b080 | Dimitris Aragiorgis | fi |
70 | 0363b080 | Dimitris Aragiorgis | |
71 | 38305e4c | Dimitris Aragiorgis | # mangle ARPs to come from the gw's IP |
72 | 38305e4c | Dimitris Aragiorgis | arptables -A OUTPUT -o $INTERFACE --opcode request -j mangle --mangle-ip-s "$NETWORK_GATEWAY" |
73 | 38305e4c | Dimitris Aragiorgis | |
74 | 38305e4c | Dimitris Aragiorgis | # route interface to the proper routing table |
75 | 38305e4c | Dimitris Aragiorgis | ip rule add dev $INTERFACE table $TABLE |
76 | 38305e4c | Dimitris Aragiorgis | |
77 | 38305e4c | Dimitris Aragiorgis | # static route mapping IP -> INTERFACE |
78 | 38305e4c | Dimitris Aragiorgis | ip route replace $IP proto static dev $INTERFACE table $TABLE |
79 | 38305e4c | Dimitris Aragiorgis | |
80 | 38305e4c | Dimitris Aragiorgis | # Enable proxy ARP |
81 | 38305e4c | Dimitris Aragiorgis | echo 1 > /proc/sys/net/ipv4/conf/$INTERFACE/proxy_arp |
82 | 1bdc9427 | Dimitris Aragiorgis | |
83 | aeaafeb9 | Dimitris Aragiorgis | } |
84 | aeaafeb9 | Dimitris Aragiorgis | |
85 | aeaafeb9 | Dimitris Aragiorgis | function send_garp { |
86 | aeaafeb9 | Dimitris Aragiorgis | |
87 | 90f2e36b | Dimitris Aragiorgis | if [ -z "$IP" -o -z "$UPLINK" ]; then |
88 | 90f2e36b | Dimitris Aragiorgis | return |
89 | 90f2e36b | Dimitris Aragiorgis | fi |
90 | 90f2e36b | Dimitris Aragiorgis | |
91 | 90f2e36b | Dimitris Aragiorgis | # Send GARP from host to upstream router |
92 | 1bdc9427 | Dimitris Aragiorgis | echo 1 > /proc/sys/net/ipv4/ip_nonlocal_bind |
93 | 43589485 | Dimitris Aragiorgis | $SNF_NETWORK_LOG $0 "arpsend -U -i $IP -c1 $UPLINK" |
94 | 43589485 | Dimitris Aragiorgis | arpsend -U -i $IP -c1 $UPLINK |
95 | 1bdc9427 | Dimitris Aragiorgis | echo 0 > /proc/sys/net/ipv4/ip_nonlocal_bind |
96 | 1bdc9427 | Dimitris Aragiorgis | |
97 | 38305e4c | Dimitris Aragiorgis | } |
98 | 38305e4c | Dimitris Aragiorgis | |
99 | 38305e4c | Dimitris Aragiorgis | function routed_setup_ipv6 { |
100 | 38305e4c | Dimitris Aragiorgis | |
101 | 5b3472ad | Dimitris Aragiorgis | if [ -z "$EUI64" -o -z "$TABLE" -o -z "$INTERFACE" -o -z "$UPLINK6" ] |
102 | 0363b080 | Dimitris Aragiorgis | then |
103 | 0363b080 | Dimitris Aragiorgis | return |
104 | 0363b080 | Dimitris Aragiorgis | fi |
105 | 5b3472ad | Dimitris Aragiorgis | # Add a routing entry for the eui-64 |
106 | 38305e4c | Dimitris Aragiorgis | ip -6 rule add dev $INTERFACE table $TABLE |
107 | 1bdc9427 | Dimitris Aragiorgis | ip -6 ro replace $EUI64/128 dev $INTERFACE table $TABLE |
108 | 5b3472ad | Dimitris Aragiorgis | ip -6 neigh add proxy $EUI64 dev $UPLINK6 |
109 | 38305e4c | Dimitris Aragiorgis | |
110 | 38305e4c | Dimitris Aragiorgis | # disable proxy NDP since we're handling this on userspace |
111 | 38305e4c | Dimitris Aragiorgis | # this should be the default, but better safe than sorry |
112 | 38305e4c | Dimitris Aragiorgis | echo 0 > /proc/sys/net/ipv6/conf/$INTERFACE/proxy_ndp |
113 | 1bdc9427 | Dimitris Aragiorgis | |
114 | 1bdc9427 | Dimitris Aragiorgis | # Send Unsolicited Neighbor Advertisement |
115 | 5b3472ad | Dimitris Aragiorgis | $SNF_NETWORK_LOG $0 "ndsend $EUI64 $UPLINK6" |
116 | 5b3472ad | Dimitris Aragiorgis | ndsend $EUI64 $UPLINK6 |
117 | 1bdc9427 | Dimitris Aragiorgis | |
118 | 38305e4c | Dimitris Aragiorgis | } |
119 | 38305e4c | Dimitris Aragiorgis | |
120 | 38305e4c | Dimitris Aragiorgis | # pick a firewall profile per NIC, based on tags (and apply it) |
121 | 38305e4c | Dimitris Aragiorgis | function routed_setup_firewall { |
122 | a336b166 | Dimitris Aragiorgis | # for latest ganeti there is no need to check other but uuid |
123 | a336b166 | Dimitris Aragiorgis | ifprefixindex="synnefo:network:$INTERFACE_INDEX:" |
124 | a336b166 | Dimitris Aragiorgis | ifprefixname="synnefo:network:$INTERFACE_NAME:" |
125 | a336b166 | Dimitris Aragiorgis | ifprefixuuid="synnefo:network:$INTERFACE_UUID:" |
126 | 38305e4c | Dimitris Aragiorgis | for tag in $TAGS; do |
127 | a336b166 | Dimitris Aragiorgis | tag=${tag#$ifprefixindex} |
128 | a336b166 | Dimitris Aragiorgis | tag=${tag#$ifprefixname} |
129 | a336b166 | Dimitris Aragiorgis | tag=${tag#$ifprefixuuid} |
130 | a336b166 | Dimitris Aragiorgis | case $tag in |
131 | 38305e4c | Dimitris Aragiorgis | protected) |
132 | 38305e4c | Dimitris Aragiorgis | chain=protected |
133 | 38305e4c | Dimitris Aragiorgis | ;; |
134 | 38305e4c | Dimitris Aragiorgis | unprotected) |
135 | 38305e4c | Dimitris Aragiorgis | chain=unprotected |
136 | 38305e4c | Dimitris Aragiorgis | ;; |
137 | 38305e4c | Dimitris Aragiorgis | limited) |
138 | 38305e4c | Dimitris Aragiorgis | chain=limited |
139 | 38305e4c | Dimitris Aragiorgis | ;; |
140 | 38305e4c | Dimitris Aragiorgis | esac |
141 | 38305e4c | Dimitris Aragiorgis | done |
142 | 38305e4c | Dimitris Aragiorgis | |
143 | 38305e4c | Dimitris Aragiorgis | if [ "x$chain" != "x" ]; then |
144 | 38305e4c | Dimitris Aragiorgis | iptables -A FORWARD -o $INTERFACE -j $chain |
145 | 38305e4c | Dimitris Aragiorgis | ip6tables -A FORWARD -o $INTERFACE -j $chain |
146 | 38305e4c | Dimitris Aragiorgis | fi |
147 | 38305e4c | Dimitris Aragiorgis | } |
148 | 38305e4c | Dimitris Aragiorgis | |
149 | 38305e4c | Dimitris Aragiorgis | function init_ebtables { |
150 | 38305e4c | Dimitris Aragiorgis | |
151 | 74ab2e3c | Dimitris Aragiorgis | runlocked $RUNLOCKED_OPTS ebtables -N $FROM -P RETURN |
152 | 1409faba | Stratos Psomadakis | runlocked $RUNLOCKED_OPTS ebtables -A FORWARD -i $INTERFACE -j $FROM |
153 | a67910c4 | Dimitris Aragiorgis | # This is needed for multicast packets |
154 | a67910c4 | Dimitris Aragiorgis | runlocked $RUNLOCKED_OPTS ebtables -A INPUT -i $INTERFACE -j $FROM |
155 | a67910c4 | Dimitris Aragiorgis | |
156 | 74ab2e3c | Dimitris Aragiorgis | runlocked $RUNLOCKED_OPTS ebtables -N $TO -P RETURN |
157 | 1409faba | Stratos Psomadakis | runlocked $RUNLOCKED_OPTS ebtables -A FORWARD -o $INTERFACE -j $TO |
158 | a67910c4 | Dimitris Aragiorgis | # This is needed for multicast packets |
159 | a67910c4 | Dimitris Aragiorgis | runlocked $RUNLOCKED_OPTS ebtables -A OUTPUT -o $INTERFACE -j $TO |
160 | 38305e4c | Dimitris Aragiorgis | |
161 | 38305e4c | Dimitris Aragiorgis | } |
162 | 38305e4c | Dimitris Aragiorgis | |
163 | 38305e4c | Dimitris Aragiorgis | |
164 | 38305e4c | Dimitris Aragiorgis | function setup_ebtables { |
165 | 38305e4c | Dimitris Aragiorgis | |
166 | 38305e4c | Dimitris Aragiorgis | # do not allow changes in ip-mac pair |
167 | c9d2a566 | Dimitris Aragiorgis | if [ -n "$IP" ]; then |
168 | c9d2a566 | Dimitris Aragiorgis | :; # runlocked $RUNLOCKED_OPTS ebtables -A $FROM --ip-source \! $IP -p ipv4 -j DROP |
169 | 38305e4c | Dimitris Aragiorgis | fi |
170 | 1409faba | Stratos Psomadakis | runlocked $RUNLOCKED_OPTS ebtables -A $FROM -s \! $MAC -j DROP |
171 | c3d3d121 | Dimitris Aragiorgis | # accept dhcp responses from host (nfdhcpd) |
172 | c3d3d121 | Dimitris Aragiorgis | # this is actually not needed because nfdhcpd opens a socket and binds is with |
173 | c3d3d121 | Dimitris Aragiorgis | # tap interface so dhcp response does not go through bridge |
174 | 30db6769 | Dimitris Aragiorgis | # INDEV_MAC=$(cat /sys/class/net/$INDEV/address) |
175 | c3d3d121 | Dimitris Aragiorgis | # runlocked $RUNLOCKED_OPTS ebtables -A $TO -s $INDEV_MAC -p ipv4 --ip-protocol=udp --ip-destination-port=68 -j ACCEPT |
176 | 38305e4c | Dimitris Aragiorgis | # allow only packets from the same mac prefix |
177 | 1409faba | Stratos Psomadakis | runlocked $RUNLOCKED_OPTS ebtables -A $TO -s \! $MAC/$MAC_MASK -j DROP |
178 | 38305e4c | Dimitris Aragiorgis | } |
179 | 38305e4c | Dimitris Aragiorgis | |
180 | 38305e4c | Dimitris Aragiorgis | function setup_masq { |
181 | 38305e4c | Dimitris Aragiorgis | |
182 | 38305e4c | Dimitris Aragiorgis | # allow packets from/to router (for masquerading) |
183 | 1409faba | Stratos Psomadakis | # runlocked $RUNLOCKED_OPTS ebtables -A $TO -s $NODE_MAC -j ACCEPT |
184 | 1409faba | Stratos Psomadakis | # runlocked $RUNLOCKED_OPTS ebtables -A INPUT -i $INTERFACE -j $FROM |
185 | 1409faba | Stratos Psomadakis | # runlocked $RUNLOCKED_OPTS ebtables -A OUTPUT -o $INTERFACE -j $TO |
186 | 38305e4c | Dimitris Aragiorgis | return |
187 | 38305e4c | Dimitris Aragiorgis | |
188 | 38305e4c | Dimitris Aragiorgis | } |
189 | 38305e4c | Dimitris Aragiorgis | |
190 | 38305e4c | Dimitris Aragiorgis | function setup_nfdhcpd { |
191 | 38305e4c | Dimitris Aragiorgis | umask 022 |
192 | 38305e4c | Dimitris Aragiorgis | FILE=$NFDHCPD_STATE_DIR/$INTERFACE |
193 | 38305e4c | Dimitris Aragiorgis | #IFACE is the interface from which the packet seems to arrive |
194 | 38305e4c | Dimitris Aragiorgis | #needed in bridged mode where the packets seems to arrive from the |
195 | 38305e4c | Dimitris Aragiorgis | #bridge and not from the tap |
196 | 38305e4c | Dimitris Aragiorgis | cat >$FILE <<EOF |
197 | 38305e4c | Dimitris Aragiorgis | INDEV=$INDEV |
198 | 38305e4c | Dimitris Aragiorgis | IP=$IP |
199 | 38305e4c | Dimitris Aragiorgis | MAC=$MAC |
200 | 38305e4c | Dimitris Aragiorgis | HOSTNAME=$INSTANCE |
201 | 38305e4c | Dimitris Aragiorgis | TAGS="$TAGS" |
202 | 38305e4c | Dimitris Aragiorgis | GATEWAY=$NETWORK_GATEWAY |
203 | 38305e4c | Dimitris Aragiorgis | SUBNET=$NETWORK_SUBNET |
204 | 38305e4c | Dimitris Aragiorgis | GATEWAY6=$NETWORK_GATEWAY6 |
205 | 38305e4c | Dimitris Aragiorgis | SUBNET6=$NETWORK_SUBNET6 |
206 | 5b3472ad | Dimitris Aragiorgis | EUI64=$EUI64 |
207 | 38305e4c | Dimitris Aragiorgis | EOF |
208 | 38305e4c | Dimitris Aragiorgis | |
209 | 38305e4c | Dimitris Aragiorgis | } |
210 | 38305e4c | Dimitris Aragiorgis | |
211 | 1bdc9427 | Dimitris Aragiorgis | function get_uplink { |
212 | 1bdc9427 | Dimitris Aragiorgis | |
213 | 1bdc9427 | Dimitris Aragiorgis | local table=$1 |
214 | 5b3472ad | Dimitris Aragiorgis | UPLINK=$(ip route list table $table | grep "default via" | awk '{print $5}') |
215 | 5b3472ad | Dimitris Aragiorgis | UPLINK6=$(ip -6 route list table $table | grep "default via" | awk '{print $5}') |
216 | 5b3472ad | Dimitris Aragiorgis | $SNF_NETWORK_LOG $0 "* Table $table: uplink -> $UPLINK, uplink6 -> $UPLINK6" |
217 | 1bdc9427 | Dimitris Aragiorgis | |
218 | 1bdc9427 | Dimitris Aragiorgis | } |
219 | 1bdc9427 | Dimitris Aragiorgis | |
220 | 1bdc9427 | Dimitris Aragiorgis | # Because we do not have IPv6 value in our environment |
221 | 1bdc9427 | Dimitris Aragiorgis | # we caclulate it based on the NIC's MAC and the IPv6 subnet (if any) |
222 | 1bdc9427 | Dimitris Aragiorgis | # first argument MAC second IPv6 subnet |
223 | 1bdc9427 | Dimitris Aragiorgis | # Changes global value EUI64 |
224 | 1bdc9427 | Dimitris Aragiorgis | get_eui64 () { |
225 | 1bdc9427 | Dimitris Aragiorgis | |
226 | 1bdc9427 | Dimitris Aragiorgis | local mac=$1 |
227 | 1bdc9427 | Dimitris Aragiorgis | local prefix=$2 |
228 | 1bdc9427 | Dimitris Aragiorgis | |
229 | 1bdc9427 | Dimitris Aragiorgis | if [ -z "$prefix" ]; then |
230 | 1bdc9427 | Dimitris Aragiorgis | EUI64= |
231 | 1bdc9427 | Dimitris Aragiorgis | else |
232 | 1bdc9427 | Dimitris Aragiorgis | EUI64=$($MAC2EUI64 $mac $prefix) |
233 | 5b3472ad | Dimitris Aragiorgis | $SNF_NETWORK_LOG $0 "* $mac + $prefix -> $EUI64" |
234 | 1bdc9427 | Dimitris Aragiorgis | fi |
235 | 1bdc9427 | Dimitris Aragiorgis | |
236 | 1bdc9427 | Dimitris Aragiorgis | } |
237 | 14697fe6 | Dimitris Aragiorgis | |
238 | 14697fe6 | Dimitris Aragiorgis | |
239 | 14697fe6 | Dimitris Aragiorgis | # DDNS related functions |
240 | 14697fe6 | Dimitris Aragiorgis | |
241 | 14697fe6 | Dimitris Aragiorgis | # ommit zone statement |
242 | 14697fe6 | Dimitris Aragiorgis | # nsupdate will attempt determine the correct zone to update based on the rest of the input |
243 | 14697fe6 | Dimitris Aragiorgis | send_command () { |
244 | 14697fe6 | Dimitris Aragiorgis | |
245 | 14697fe6 | Dimitris Aragiorgis | local command="$1" |
246 | 90f2e36b | Dimitris Aragiorgis | $SNF_NETWORK_LOG $0 "* $command" |
247 | 14697fe6 | Dimitris Aragiorgis | nsupdate -k $KEYFILE > /dev/null << EOF |
248 | 14697fe6 | Dimitris Aragiorgis | server $SERVER |
249 | 14697fe6 | Dimitris Aragiorgis | $command |
250 | 14697fe6 | Dimitris Aragiorgis | send |
251 | 14697fe6 | Dimitris Aragiorgis | EOF |
252 | 14697fe6 | Dimitris Aragiorgis | |
253 | 14697fe6 | Dimitris Aragiorgis | } |
254 | 14697fe6 | Dimitris Aragiorgis | |
255 | 14697fe6 | Dimitris Aragiorgis | |
256 | 14697fe6 | Dimitris Aragiorgis | update_arecord () { |
257 | 14697fe6 | Dimitris Aragiorgis | |
258 | 14697fe6 | Dimitris Aragiorgis | local action=$1 |
259 | 14697fe6 | Dimitris Aragiorgis | local command= |
260 | 14697fe6 | Dimitris Aragiorgis | if [ -n "$IP" ]; then |
261 | 14697fe6 | Dimitris Aragiorgis | command="update $action $GANETI_INSTANCE_NAME.$FZONE $TTL A $IP" |
262 | 14697fe6 | Dimitris Aragiorgis | send_command "$command" |
263 | 14697fe6 | Dimitris Aragiorgis | fi |
264 | 14697fe6 | Dimitris Aragiorgis | |
265 | 14697fe6 | Dimitris Aragiorgis | } |
266 | 14697fe6 | Dimitris Aragiorgis | |
267 | 14697fe6 | Dimitris Aragiorgis | |
268 | 14697fe6 | Dimitris Aragiorgis | update_aaaarecord () { |
269 | 14697fe6 | Dimitris Aragiorgis | |
270 | 14697fe6 | Dimitris Aragiorgis | local action=$1 |
271 | 14697fe6 | Dimitris Aragiorgis | local command= |
272 | 14697fe6 | Dimitris Aragiorgis | if [ -n "$EUI64" ]; then |
273 | 14697fe6 | Dimitris Aragiorgis | command="update $action $GANETI_INSTANCE_NAME.$FZONE $TTL AAAA $EUI64" |
274 | 14697fe6 | Dimitris Aragiorgis | send_command "$command" |
275 | 14697fe6 | Dimitris Aragiorgis | fi |
276 | 14697fe6 | Dimitris Aragiorgis | |
277 | 14697fe6 | Dimitris Aragiorgis | } |
278 | 14697fe6 | Dimitris Aragiorgis | |
279 | 14697fe6 | Dimitris Aragiorgis | |
280 | 14697fe6 | Dimitris Aragiorgis | update_ptrrecord () { |
281 | 14697fe6 | Dimitris Aragiorgis | |
282 | 14697fe6 | Dimitris Aragiorgis | local action=$1 |
283 | 14697fe6 | Dimitris Aragiorgis | local command= |
284 | 14697fe6 | Dimitris Aragiorgis | if [ -n "$IP" ]; then |
285 | 14697fe6 | Dimitris Aragiorgis | command="update $action $RLPART.$RZONE. $TTL PTR $GANETI_INSTANCE_NAME.$FZONE" |
286 | 14697fe6 | Dimitris Aragiorgis | send_command "$command" |
287 | 14697fe6 | Dimitris Aragiorgis | fi |
288 | 14697fe6 | Dimitris Aragiorgis | |
289 | 14697fe6 | Dimitris Aragiorgis | } |
290 | 14697fe6 | Dimitris Aragiorgis | |
291 | 14697fe6 | Dimitris Aragiorgis | update_ptr6record () { |
292 | 14697fe6 | Dimitris Aragiorgis | |
293 | 14697fe6 | Dimitris Aragiorgis | local action=$1 |
294 | 14697fe6 | Dimitris Aragiorgis | local command= |
295 | 14697fe6 | Dimitris Aragiorgis | if [ -n "$EUI64" ]; then |
296 | 14697fe6 | Dimitris Aragiorgis | command="update $action $R6LPART$R6ZONE. $TTL PTR $GANETI_INSTANCE_NAME.$FZONE" |
297 | 14697fe6 | Dimitris Aragiorgis | send_command "$command" |
298 | 14697fe6 | Dimitris Aragiorgis | fi |
299 | 14697fe6 | Dimitris Aragiorgis | |
300 | 14697fe6 | Dimitris Aragiorgis | } |
301 | 14697fe6 | Dimitris Aragiorgis | |
302 | 14697fe6 | Dimitris Aragiorgis | update_all () { |
303 | 14697fe6 | Dimitris Aragiorgis | |
304 | 14697fe6 | Dimitris Aragiorgis | local action=$1 |
305 | 5b3472ad | Dimitris Aragiorgis | $SNF_NETWORK_LOG $0 "Update ($action) dns for $GANETI_INSTANCE_NAME $IP $EUI64" |
306 | 14697fe6 | Dimitris Aragiorgis | update_arecord $action |
307 | 14697fe6 | Dimitris Aragiorgis | update_aaaarecord $action |
308 | 14697fe6 | Dimitris Aragiorgis | update_ptrrecord $action |
309 | 14697fe6 | Dimitris Aragiorgis | update_ptr6record $action |
310 | 14697fe6 | Dimitris Aragiorgis | |
311 | 14697fe6 | Dimitris Aragiorgis | } |
312 | 14697fe6 | Dimitris Aragiorgis | |
313 | 14697fe6 | Dimitris Aragiorgis | |
314 | 14697fe6 | Dimitris Aragiorgis | # first argument is an eui64 (IPv6) |
315 | 14697fe6 | Dimitris Aragiorgis | # sets GLOBAL args R6REC, R6ZONE, R6LPART |
316 | 14697fe6 | Dimitris Aragiorgis | # lets assume eui64=2001:648:2ffc:1::1 |
317 | 14697fe6 | Dimitris Aragiorgis | # the following commands produce: |
318 | 14697fe6 | Dimitris Aragiorgis | # R6REC=1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.c.f.f.2.8.4.6.0.1.0.0.2.ip6.arpa |
319 | 14697fe6 | Dimitris Aragiorgis | # R6ZONE=1.0.0.0.c.f.f.2.8.4.6.0.1.0.0.2.ip6.arpa |
320 | 14697fe6 | Dimitris Aragiorgis | # R6LPART=1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0. |
321 | 14697fe6 | Dimitris Aragiorgis | get_rev6_info () { |
322 | 14697fe6 | Dimitris Aragiorgis | |
323 | 14697fe6 | Dimitris Aragiorgis | local eui64=$1 |
324 | 14697fe6 | Dimitris Aragiorgis | if [ -z "$eui64" ]; then |
325 | 14697fe6 | Dimitris Aragiorgis | R6REC= ; R6ZONE= ; R6LPART= ; |
326 | 14697fe6 | Dimitris Aragiorgis | else |
327 | 14697fe6 | Dimitris Aragiorgis | R6REC=$(host $eui64 | egrep -o '([[:alnum:]]\.){32}ip6.arpa' ) |
328 | 14697fe6 | Dimitris Aragiorgis | R6ZONE=$(echo $R6REC | awk -F. 'BEGIN{rpart="";} { for (i=32;i>16;i=i-1) rpart=$i "." rpart; } END{print rpart "ip6.arpa";}') |
329 | 14697fe6 | Dimitris Aragiorgis | R6LPART=$(echo $R6REC | awk -F. 'BEGIN{lpart="";} { for (i=16;i>0;i=i-1) lpart=$i "." lpart; } END{print lpart;}') |
330 | 14697fe6 | Dimitris Aragiorgis | fi |
331 | 14697fe6 | Dimitris Aragiorgis | |
332 | 14697fe6 | Dimitris Aragiorgis | } |
333 | 14697fe6 | Dimitris Aragiorgis | |
334 | 14697fe6 | Dimitris Aragiorgis | |
335 | 14697fe6 | Dimitris Aragiorgis | # first argument is an ipv4 |
336 | 14697fe6 | Dimitris Aragiorgis | # sets args RZONE, RLPART |
337 | 14697fe6 | Dimitris Aragiorgis | # lets assume IP=203.0.113.1 |
338 | 14697fe6 | Dimitris Aragiorgis | # RZONE="113.0.203.in-add.arpa" |
339 | 14697fe6 | Dimitris Aragiorgis | # RLPART="1" |
340 | 14697fe6 | Dimitris Aragiorgis | get_rev4_info () { |
341 | 14697fe6 | Dimitris Aragiorgis | |
342 | 14697fe6 | Dimitris Aragiorgis | local ip=$1 |
343 | 14697fe6 | Dimitris Aragiorgis | if [ -z "$ip" ]; then |
344 | 14697fe6 | Dimitris Aragiorgis | RZONE= ; RLPART= ; |
345 | 14697fe6 | Dimitris Aragiorgis | else |
346 | 14697fe6 | Dimitris Aragiorgis | OLDIFS=$IFS |
347 | 14697fe6 | Dimitris Aragiorgis | IFS=". " |
348 | 14697fe6 | Dimitris Aragiorgis | set -- $ip |
349 | 14697fe6 | Dimitris Aragiorgis | a=$1 ; b=$2; c=$3; d=$4; |
350 | 14697fe6 | Dimitris Aragiorgis | IFS=$OLDIFS |
351 | 14697fe6 | Dimitris Aragiorgis | RZONE="$c.$b.$a.in-addr.arpa" |
352 | 14697fe6 | Dimitris Aragiorgis | RLPART="$d" |
353 | 14697fe6 | Dimitris Aragiorgis | fi |
354 | 14697fe6 | Dimitris Aragiorgis | |
355 | 14697fe6 | Dimitris Aragiorgis | } |
356 | 14697fe6 | Dimitris Aragiorgis | |
357 | fe6454e7 | Dimitris Aragiorgis | get_ebtables_chains () { |
358 | fe6454e7 | Dimitris Aragiorgis | |
359 | fe6454e7 | Dimitris Aragiorgis | local iface=$1 |
360 | fe6454e7 | Dimitris Aragiorgis | FROM=FROM${iface^^} |
361 | fe6454e7 | Dimitris Aragiorgis | TO=TO${iface^^} |
362 | fe6454e7 | Dimitris Aragiorgis | |
363 | fe6454e7 | Dimitris Aragiorgis | } |
364 | fe6454e7 | Dimitris Aragiorgis | |
365 | 263fe009 | Dimitris Aragiorgis | get_instance_info () { |
366 | 263fe009 | Dimitris Aragiorgis | |
367 | 263fe009 | Dimitris Aragiorgis | if [ -z "$GANETI_INSTANCE_NAME" -a -n "$INSTANCE" ]; then |
368 | 263fe009 | Dimitris Aragiorgis | GANETI_INSTANCE_NAME=$INSTANCE |
369 | 263fe009 | Dimitris Aragiorgis | fi |
370 | 263fe009 | Dimitris Aragiorgis | |
371 | 263fe009 | Dimitris Aragiorgis | } |
372 | 263fe009 | Dimitris Aragiorgis | |
373 | 263fe009 | Dimitris Aragiorgis | get_mode_info () { |
374 | 263fe009 | Dimitris Aragiorgis | |
375 | 263fe009 | Dimitris Aragiorgis | local iface=$1 |
376 | 263fe009 | Dimitris Aragiorgis | local mode=$2 |
377 | 263fe009 | Dimitris Aragiorgis | local link=$3 |
378 | 263fe009 | Dimitris Aragiorgis | |
379 | 263fe009 | Dimitris Aragiorgis | TABLE= |
380 | 263fe009 | Dimitris Aragiorgis | INDEV= |
381 | 263fe009 | Dimitris Aragiorgis | |
382 | 263fe009 | Dimitris Aragiorgis | if [ "$mode" = "routed" ]; then |
383 | 263fe009 | Dimitris Aragiorgis | TABLE=$link |
384 | 263fe009 | Dimitris Aragiorgis | INDEV=$iface |
385 | 263fe009 | Dimitris Aragiorgis | elif [ "$mode" = "bridged" ]; then |
386 | 263fe009 | Dimitris Aragiorgis | INDEV=$link |
387 | 263fe009 | Dimitris Aragiorgis | fi |
388 | 263fe009 | Dimitris Aragiorgis | |
389 | 263fe009 | Dimitris Aragiorgis | } |
390 | 263fe009 | Dimitris Aragiorgis | |
391 | 14697fe6 | Dimitris Aragiorgis | |
392 | 5b3472ad | Dimitris Aragiorgis | # Use environment variables to calculate desired info |
393 | 5b3472ad | Dimitris Aragiorgis | # IP, MAC, LINK, TABLE, BRIDGE, |
394 | 5b3472ad | Dimitris Aragiorgis | # NETWORK_SUBNET, NETWORK_GATEWAY, NETWORK_SUBNET6, NETWORK_GATEWAY6 |
395 | 5b3472ad | Dimitris Aragiorgis | function get_info { |
396 | 5b3472ad | Dimitris Aragiorgis | |
397 | 5b3472ad | Dimitris Aragiorgis | $SNF_NETWORK_LOG $0 "Getting info for $INTERFACE of $GANETI_INSTANCE_NAME" |
398 | 263fe009 | Dimitris Aragiorgis | get_instance_info |
399 | 263fe009 | Dimitris Aragiorgis | get_mode_info $INTERFACE $MODE $LINK |
400 | fe6454e7 | Dimitris Aragiorgis | get_ebtables_chains $INTERFACE |
401 | 5b3472ad | Dimitris Aragiorgis | get_rev4_info $IP |
402 | 5b3472ad | Dimitris Aragiorgis | get_eui64 $MAC $NETWORK_SUBNET6 |
403 | 5b3472ad | Dimitris Aragiorgis | get_rev6_info $EUI64 |
404 | 5b3472ad | Dimitris Aragiorgis | get_uplink $TABLE |
405 | 5b3472ad | Dimitris Aragiorgis | |
406 | 5b3472ad | Dimitris Aragiorgis | } |
407 | 5b3472ad | Dimitris Aragiorgis | |
408 | 5b3472ad | Dimitris Aragiorgis | |
409 | 14697fe6 | Dimitris Aragiorgis | # Query nameserver for entries related to the specific instance |
410 | 14697fe6 | Dimitris Aragiorgis | # An example output is the following: |
411 | 14697fe6 | Dimitris Aragiorgis | # www.google.com has address 173.194.113.114 |
412 | 14697fe6 | Dimitris Aragiorgis | # www.google.com has address 173.194.113.115 |
413 | 14697fe6 | Dimitris Aragiorgis | # www.google.com has address 173.194.113.116 |
414 | 14697fe6 | Dimitris Aragiorgis | # www.google.com has address 173.194.113.112 |
415 | 14697fe6 | Dimitris Aragiorgis | # www.google.com has address 173.194.113.113 |
416 | 14697fe6 | Dimitris Aragiorgis | # www.google.com has IPv6 address 2a00:1450:4001:80b::1012 |
417 | 14697fe6 | Dimitris Aragiorgis | query_dns () { |
418 | 14697fe6 | Dimitris Aragiorgis | |
419 | 14697fe6 | Dimitris Aragiorgis | HOSTQ="host -s -R 3 -W 3" |
420 | 14697fe6 | Dimitris Aragiorgis | HOST_IP_ALL=$($HOSTQ $GANETI_INSTANCE_NAME.$FZONE $SERVER | sed -n 's/.*has address //p') |
421 | 14697fe6 | Dimitris Aragiorgis | HOST_IP6_ALL=$($HOSTQ $GANETI_INSTANCE_NAME.$FZONE $SERVER | sed -n 's/.*has IPv6 address //p') |
422 | 14697fe6 | Dimitris Aragiorgis | |
423 | 14697fe6 | Dimitris Aragiorgis | } |