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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 $subnet; | |
57 | } | |
58 | ||
70b03506 AD |
59 | sub find_ip_subnet { |
60 | my ($ip, $subnetslist) = @_; | |
61 | ||
62 | my $subnets_cfg = PVE::Network::SDN::Subnets::config(); | |
63 | my @subnets = PVE::Tools::split_list($subnetslist) if $subnetslist; | |
64 | ||
65 | my $subnet = undef; | |
66 | my $subnetid = undef; | |
67 | ||
68 | foreach my $s (@subnets) { | |
69 | my $subnet_matcher = subnet_matcher($s); | |
70 | next if !$subnet_matcher->($ip); | |
71 | $subnetid = $s =~ s/\//-/r; | |
72 | $subnet = $subnets_cfg->{ids}->{$subnetid}; | |
73 | last; | |
74 | } | |
75 | die "can't find any subnet for ip $ip" if !$subnet; | |
76 | ||
77 | return ($subnetid, $subnet); | |
78 | } | |
79 | ||
ee4f339e AD |
80 | my $verify_dns_zone = sub { |
81 | my ($zone, $dns) = @_; | |
82 | ||
83 | return if !$zone || !$dns; | |
84 | ||
85 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
86 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
87 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
88 | $plugin->verify_zone($plugin_config, $zone); | |
89 | }; | |
90 | ||
91 | my $add_dns_record = sub { | |
92 | my ($zone, $dns, $hostname, $dnszoneprefix, $ip) = @_; | |
93 | return if !$zone || !$dns || !$hostname || !$ip; | |
94 | ||
95 | $hostname .= ".$dnszoneprefix" if $dnszoneprefix; | |
96 | ||
97 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
98 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
99 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
100 | $plugin->add_a_record($plugin_config, $zone, $hostname, $ip); | |
101 | ||
102 | }; | |
103 | ||
104 | my $add_dns_ptr_record = sub { | |
105 | my ($reversezone, $zone, $dns, $hostname, $dnszoneprefix, $ip) = @_; | |
106 | ||
107 | return if !$zone || !$reversezone || !$dns || !$hostname || !$ip; | |
108 | ||
109 | $hostname .= ".$dnszoneprefix" if $dnszoneprefix; | |
110 | $hostname .= ".$zone"; | |
111 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
112 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
113 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
114 | $plugin->add_ptr_record($plugin_config, $reversezone, $hostname, $ip); | |
115 | }; | |
116 | ||
117 | my $del_dns_record = sub { | |
118 | my ($zone, $dns, $hostname, $dnszoneprefix, $ip) = @_; | |
119 | ||
120 | return if !$zone || !$dns || !$hostname || !$ip; | |
121 | ||
122 | $hostname .= ".$dnszoneprefix" if $dnszoneprefix; | |
123 | ||
124 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
125 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
126 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
127 | $plugin->del_a_record($plugin_config, $zone, $hostname, $ip); | |
128 | }; | |
129 | ||
130 | my $del_dns_ptr_record = sub { | |
131 | my ($reversezone, $dns, $ip) = @_; | |
132 | ||
133 | return if !$reversezone || !$dns || !$ip; | |
134 | ||
135 | my $dns_cfg = PVE::Network::SDN::Dns::config(); | |
136 | my $plugin_config = $dns_cfg->{ids}->{$dns}; | |
137 | my $plugin = PVE::Network::SDN::Dns::Plugin->lookup($plugin_config->{type}); | |
138 | $plugin->del_ptr_record($plugin_config, $reversezone, $ip); | |
139 | }; | |
140 | ||
70b03506 | 141 | sub next_free_ip { |
ee4f339e AD |
142 | my ($subnetid, $subnet, $hostname) = @_; |
143 | ||
144 | my $cidr = undef; | |
145 | my $ip = undef; | |
70b03506 AD |
146 | |
147 | my $ipamid = $subnet->{ipam}; | |
ee4f339e AD |
148 | my $dns = $subnet->{dns}; |
149 | my $dnszone = $subnet->{dnszone}; | |
150 | my $reversedns = $subnet->{reversedns}; | |
151 | my $reversednszone = $subnet->{reversednszone}; | |
152 | my $dnszoneprefix = $subnet->{dnszoneprefix}; | |
153 | ||
154 | #verify dns zones before ipam | |
155 | &$verify_dns_zone($dnszone, $dns); | |
156 | &$verify_dns_zone($reversednszone, $reversedns); | |
157 | ||
158 | if($ipamid) { | |
159 | my $ipam_cfg = PVE::Network::SDN::Ipams::config(); | |
160 | my $plugin_config = $ipam_cfg->{ids}->{$ipamid}; | |
161 | my $plugin = PVE::Network::SDN::Ipams::Plugin->lookup($plugin_config->{type}); | |
162 | $cidr = $plugin->add_next_freeip($plugin_config, $subnetid, $subnet); | |
163 | ($ip, undef) = split(/\//, $cidr); | |
164 | } | |
70b03506 | 165 | |
ee4f339e AD |
166 | eval { |
167 | #add dns | |
168 | &$add_dns_record($dnszone, $dns, $hostname, $dnszoneprefix, $ip); | |
169 | #add reverse dns | |
170 | &$add_dns_ptr_record($reversednszone, $dnszone, $reversedns, $hostname, $dnszoneprefix, $ip); | |
171 | }; | |
172 | if ($@) { | |
173 | #rollback | |
174 | my $err = $@; | |
175 | eval { | |
176 | PVE::Network::SDN::Subnets::del_ip($subnetid, $subnet, $ip, $hostname) | |
177 | }; | |
178 | die $err; | |
179 | } | |
180 | return $cidr; | |
70b03506 AD |
181 | } |
182 | ||
183 | sub add_ip { | |
ee4f339e | 184 | my ($subnetid, $subnet, $ip, $hostname) = @_; |
70b03506 AD |
185 | |
186 | my $ipamid = $subnet->{ipam}; | |
ee4f339e AD |
187 | my $dns = $subnet->{dns}; |
188 | my $dnszone = $subnet->{dnszone}; | |
189 | my $reversedns = $subnet->{reversedns}; | |
190 | my $reversednszone = $subnet->{reversednszone}; | |
191 | my $dnszoneprefix = $subnet->{dnszoneprefix}; | |
192 | ||
193 | #verify dns zones before ipam | |
194 | &$verify_dns_zone($dnszone, $dns); | |
195 | &$verify_dns_zone($reversednszone, $reversedns); | |
196 | ||
197 | if ($ipamid) { | |
198 | my $ipam_cfg = PVE::Network::SDN::Ipams::config(); | |
199 | my $plugin_config = $ipam_cfg->{ids}->{$ipamid}; | |
200 | my $plugin = PVE::Network::SDN::Ipams::Plugin->lookup($plugin_config->{type}); | |
201 | $plugin->add_ip($plugin_config, $subnetid, $ip); | |
202 | } | |
70b03506 | 203 | |
ee4f339e AD |
204 | eval { |
205 | #add dns | |
206 | &$add_dns_record($dnszone, $dns, $hostname, $dnszoneprefix, $ip); | |
207 | #add reverse dns | |
208 | &$add_dns_ptr_record($reversednszone, $dnszone, $reversedns, $hostname, $dnszoneprefix, $ip); | |
209 | }; | |
210 | if ($@) { | |
211 | #rollback | |
212 | my $err = $@; | |
213 | eval { | |
214 | PVE::Network::SDN::Subnets::del_ip($subnetid, $subnet, $ip, $hostname) | |
215 | }; | |
216 | die $err; | |
217 | } | |
70b03506 AD |
218 | } |
219 | ||
220 | sub del_ip { | |
ee4f339e | 221 | my ($subnetid, $subnet, $ip, $hostname) = @_; |
70b03506 AD |
222 | |
223 | my $ipamid = $subnet->{ipam}; | |
ee4f339e AD |
224 | my $dns = $subnet->{dns}; |
225 | my $dnszone = $subnet->{dnszone}; | |
226 | my $reversedns = $subnet->{reversedns}; | |
227 | my $reversednszone = $subnet->{reversednszone}; | |
228 | my $dnszoneprefix = $subnet->{dnszoneprefix}; | |
229 | ||
230 | &$verify_dns_zone($dnszone, $dns); | |
231 | &$verify_dns_zone($reversednszone, $reversedns); | |
232 | ||
233 | if ($ipamid) { | |
234 | my $ipam_cfg = PVE::Network::SDN::Ipams::config(); | |
235 | my $plugin_config = $ipam_cfg->{ids}->{$ipamid}; | |
236 | my $plugin = PVE::Network::SDN::Ipams::Plugin->lookup($plugin_config->{type}); | |
237 | $plugin->del_ip($plugin_config, $subnetid, $ip); | |
238 | } | |
70b03506 | 239 | |
ee4f339e AD |
240 | eval { |
241 | &$del_dns_record($dnszone, $dns, $hostname, $dnszoneprefix, $ip); | |
242 | &$del_dns_ptr_record($reversednszone, $reversedns, $ip); | |
243 | }; | |
244 | if ($@) { | |
245 | warn $@; | |
246 | } | |
70b03506 AD |
247 | } |
248 | ||
c33dd818 | 249 | 1; |