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Commit | Line | Data |
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c33dd818 AD |
1 | package PVE::Network::SDN::Subnets; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
70b03506 | 6 | use Net::Subnet qw(subnet_matcher); |
c33dd818 | 7 | use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file); |
ee4f339e | 8 | use Net::IP; |
c33dd818 | 9 | |
70b03506 | 10 | use PVE::Network::SDN::Ipams; |
ee4f339e | 11 | use PVE::Network::SDN::Dns; |
c33dd818 AD |
12 | use PVE::Network::SDN::SubnetPlugin; |
13 | PVE::Network::SDN::SubnetPlugin->register(); | |
14 | PVE::Network::SDN::SubnetPlugin->init(); | |
15 | ||
16 | sub sdn_subnets_config { | |
17 | my ($cfg, $id, $noerr) = @_; | |
18 | ||
19 | die "no sdn subnet ID specified\n" if !$id; | |
20 | ||
21 | my $scfg = $cfg->{ids}->{$id}; | |
22 | die "sdn subnet '$id' does not exist\n" if (!$noerr && !$scfg); | |
23 | ||
24 | return $scfg; | |
25 | } | |
26 | ||
27 | sub config { | |
28 | my $config = cfs_read_file("sdn/subnets.cfg"); | |
29 | } | |
30 | ||
31 | sub write_config { | |
32 | my ($cfg) = @_; | |
33 | ||
34 | cfs_write_file("sdn/subnets.cfg", $cfg); | |
35 | } | |
36 | ||
37 | sub sdn_subnets_ids { | |
38 | my ($cfg) = @_; | |
39 | ||
40 | return keys %{$cfg->{ids}}; | |
41 | } | |
42 | ||
43 | sub complete_sdn_subnet { | |
44 | my ($cmdname, $pname, $cvalue) = @_; | |
45 | ||
46 | my $cfg = PVE::Network::SDN::Subnets::config(); | |
47 | ||
48 | return $cmdname eq 'add' ? [] : [ PVE::Network::SDN::Subnets::sdn_subnets_ids($cfg) ]; | |
49 | } | |
50 | ||
51 | sub get_subnet { | |
52 | my ($subnetid) = @_; | |
53 | ||
54 | my $cfg = PVE::Network::SDN::Subnets::config(); | |
55 | my $subnet = PVE::Network::SDN::Subnets::sdn_subnets_config($cfg, $subnetid, 1); | |
56 | return $subnet; | |
57 | } | |
58 | ||
70b03506 | 59 | sub find_ip_subnet { |
e612faf6 | 60 | my ($ip, $subnets) = @_; |
70b03506 AD |
61 | |
62 | my $subnet = undef; | |
63 | my $subnetid = undef; | |
64 | ||
e612faf6 AD |
65 | foreach my $id (sort keys %{$subnets}) { |
66 | my $cidr = $id =~ s/-/\//r; | |
67 | my $subnet_matcher = subnet_matcher($cidr); | |
68 | next if !$subnet_matcher->($ip); | |
69 | $subnet = $subnets->{$id}; | |
70 | $subnetid = $id; | |
71 | last; | |
70b03506 AD |
72 | } |
73 | die "can't find any subnet for ip $ip" if !$subnet; | |
74 | ||
75 | return ($subnetid, $subnet); | |
76 | } | |
77 | ||
ee4f339e AD |
78 | my $verify_dns_zone = sub { |
79 | my ($zone, $dns) = @_; | |
80 | ||
81 | return if !$zone || !$dns; | |
82 | ||
83 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
84 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
85 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
86 | $plugin->verify_zone($plugin_config, $zone); | |
87 | }; | |
88 | ||
89 | my $add_dns_record = sub { | |
90 | my ($zone, $dns, $hostname, $dnszoneprefix, $ip) = @_; | |
91 | return if !$zone || !$dns || !$hostname || !$ip; | |
92 | ||
93 | $hostname .= ".$dnszoneprefix" if $dnszoneprefix; | |
94 | ||
95 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
96 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
97 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
98 | $plugin->add_a_record($plugin_config, $zone, $hostname, $ip); | |
99 | ||
100 | }; | |
101 | ||
102 | my $add_dns_ptr_record = sub { | |
103 | my ($reversezone, $zone, $dns, $hostname, $dnszoneprefix, $ip) = @_; | |
104 | ||
105 | return if !$zone || !$reversezone || !$dns || !$hostname || !$ip; | |
106 | ||
107 | $hostname .= ".$dnszoneprefix" if $dnszoneprefix; | |
108 | $hostname .= ".$zone"; | |
109 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
110 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
111 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
112 | $plugin->add_ptr_record($plugin_config, $reversezone, $hostname, $ip); | |
113 | }; | |
114 | ||
115 | my $del_dns_record = sub { | |
116 | my ($zone, $dns, $hostname, $dnszoneprefix, $ip) = @_; | |
117 | ||
118 | return if !$zone || !$dns || !$hostname || !$ip; | |
119 | ||
120 | $hostname .= ".$dnszoneprefix" if $dnszoneprefix; | |
121 | ||
122 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
123 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
124 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
125 | $plugin->del_a_record($plugin_config, $zone, $hostname, $ip); | |
126 | }; | |
127 | ||
128 | my $del_dns_ptr_record = sub { | |
129 | my ($reversezone, $dns, $ip) = @_; | |
130 | ||
131 | return if !$reversezone || !$dns || !$ip; | |
132 | ||
133 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
134 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
135 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
136 | $plugin->del_ptr_record($plugin_config, $reversezone, $ip); | |
137 | }; | |
138 | ||
70b03506 | 139 | sub next_free_ip { |
ee4f339e AD |
140 | my ($subnetid, $subnet, $hostname) = @_; |
141 | ||
142 | my $cidr = undef; | |
143 | my $ip = undef; | |
70b03506 AD |
144 | |
145 | my $ipamid = $subnet->{ipam}; | |
ee4f339e AD |
146 | my $dns = $subnet->{dns}; |
147 | my $dnszone = $subnet->{dnszone}; | |
148 | my $reversedns = $subnet->{reversedns}; | |
149 | my $reversednszone = $subnet->{reversednszone}; | |
150 | my $dnszoneprefix = $subnet->{dnszoneprefix}; | |
151 | ||
152 | #verify dns zones before ipam | |
153 | &$verify_dns_zone($dnszone, $dns); | |
154 | &$verify_dns_zone($reversednszone, $reversedns); | |
155 | ||
156 | if($ipamid) { | |
157 | my $ipam_cfg = PVE::Network::SDN::Ipams::config(); | |
158 | my $plugin_config = $ipam_cfg->{ids}->{$ipamid}; | |
159 | my $plugin = PVE::Network::SDN::Ipams::Plugin->lookup($plugin_config->{type}); | |
e612faf6 AD |
160 | eval { |
161 | $cidr = $plugin->add_next_freeip($plugin_config, $subnetid, $subnet); | |
162 | ($ip, undef) = split(/\//, $cidr); | |
163 | }; | |
164 | die $@ if $@; | |
ee4f339e | 165 | } |
70b03506 | 166 | |
ee4f339e AD |
167 | eval { |
168 | #add dns | |
169 | &$add_dns_record($dnszone, $dns, $hostname, $dnszoneprefix, $ip); | |
170 | #add reverse dns | |
171 | &$add_dns_ptr_record($reversednszone, $dnszone, $reversedns, $hostname, $dnszoneprefix, $ip); | |
172 | }; | |
173 | if ($@) { | |
174 | #rollback | |
175 | my $err = $@; | |
176 | eval { | |
177 | PVE::Network::SDN::Subnets::del_ip($subnetid, $subnet, $ip, $hostname) | |
178 | }; | |
179 | die $err; | |
180 | } | |
181 | return $cidr; | |
70b03506 AD |
182 | } |
183 | ||
184 | sub add_ip { | |
ee4f339e | 185 | my ($subnetid, $subnet, $ip, $hostname) = @_; |
70b03506 | 186 | |
e612faf6 AD |
187 | return if !$subnet; |
188 | ||
70b03506 | 189 | my $ipamid = $subnet->{ipam}; |
ee4f339e AD |
190 | my $dns = $subnet->{dns}; |
191 | my $dnszone = $subnet->{dnszone}; | |
192 | my $reversedns = $subnet->{reversedns}; | |
193 | my $reversednszone = $subnet->{reversednszone}; | |
194 | my $dnszoneprefix = $subnet->{dnszoneprefix}; | |
195 | ||
196 | #verify dns zones before ipam | |
197 | &$verify_dns_zone($dnszone, $dns); | |
198 | &$verify_dns_zone($reversednszone, $reversedns); | |
199 | ||
200 | if ($ipamid) { | |
201 | my $ipam_cfg = PVE::Network::SDN::Ipams::config(); | |
202 | my $plugin_config = $ipam_cfg->{ids}->{$ipamid}; | |
203 | my $plugin = PVE::Network::SDN::Ipams::Plugin->lookup($plugin_config->{type}); | |
e612faf6 AD |
204 | eval { |
205 | $plugin->add_ip($plugin_config, $subnetid, $ip); | |
206 | }; | |
207 | die $@ if $@; | |
ee4f339e | 208 | } |
70b03506 | 209 | |
ee4f339e AD |
210 | eval { |
211 | #add dns | |
212 | &$add_dns_record($dnszone, $dns, $hostname, $dnszoneprefix, $ip); | |
213 | #add reverse dns | |
214 | &$add_dns_ptr_record($reversednszone, $dnszone, $reversedns, $hostname, $dnszoneprefix, $ip); | |
215 | }; | |
216 | if ($@) { | |
217 | #rollback | |
218 | my $err = $@; | |
219 | eval { | |
220 | PVE::Network::SDN::Subnets::del_ip($subnetid, $subnet, $ip, $hostname) | |
221 | }; | |
222 | die $err; | |
223 | } | |
70b03506 AD |
224 | } |
225 | ||
226 | sub del_ip { | |
ee4f339e | 227 | my ($subnetid, $subnet, $ip, $hostname) = @_; |
70b03506 | 228 | |
e612faf6 AD |
229 | return if !$subnet; |
230 | ||
70b03506 | 231 | my $ipamid = $subnet->{ipam}; |
ee4f339e AD |
232 | my $dns = $subnet->{dns}; |
233 | my $dnszone = $subnet->{dnszone}; | |
234 | my $reversedns = $subnet->{reversedns}; | |
235 | my $reversednszone = $subnet->{reversednszone}; | |
236 | my $dnszoneprefix = $subnet->{dnszoneprefix}; | |
237 | ||
238 | &$verify_dns_zone($dnszone, $dns); | |
239 | &$verify_dns_zone($reversednszone, $reversedns); | |
240 | ||
241 | if ($ipamid) { | |
242 | my $ipam_cfg = PVE::Network::SDN::Ipams::config(); | |
243 | my $plugin_config = $ipam_cfg->{ids}->{$ipamid}; | |
244 | my $plugin = PVE::Network::SDN::Ipams::Plugin->lookup($plugin_config->{type}); | |
245 | $plugin->del_ip($plugin_config, $subnetid, $ip); | |
246 | } | |
70b03506 | 247 | |
ee4f339e AD |
248 | eval { |
249 | &$del_dns_record($dnszone, $dns, $hostname, $dnszoneprefix, $ip); | |
250 | &$del_dns_ptr_record($reversednszone, $reversedns, $ip); | |
251 | }; | |
252 | if ($@) { | |
253 | warn $@; | |
254 | } | |
70b03506 AD |
255 | } |
256 | ||
c33dd818 | 257 | 1; |