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Commit | Line | Data |
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9a8d51a4 DM |
1 | package PMG::Backup; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use Data::Dumper; | |
6 | use File::Basename; | |
7 | use File::Path; | |
8 | ||
9 | use PVE::Tools; | |
10 | ||
11 | use PMG::pmgcfg; | |
12 | use PMG::AtomicFile; | |
13 | ||
29b263e5 | 14 | my $sa_custom_config_fn = "/etc/mail/spamassassin/custom.cf"; |
520f7717 | 15 | |
9a8d51a4 DM |
16 | sub dump_table { |
17 | my ($dbh, $table, $ofh, $seq, $seqcol) = @_; | |
18 | ||
19 | my $sth = $dbh->column_info(undef, undef, $table, undef); | |
20 | ||
21 | my $attrs = $sth->fetchall_arrayref({}); | |
22 | ||
23 | my @col_arr; | |
24 | foreach my $ref (@$attrs) { | |
25 | push @col_arr, $ref->{COLUMN_NAME}; | |
26 | } | |
27 | ||
28 | $sth->finish(); | |
29 | ||
30 | my $cols = join (', ', @col_arr); | |
31 | $cols || die "unable to fetch column definitions: ERROR"; | |
32 | ||
33 | print $ofh "COPY $table ($cols) FROM stdin;\n"; | |
34 | ||
35 | my $cmd = "COPY $table ($cols) TO STDOUT"; | |
36 | $dbh->do($cmd); | |
37 | ||
38 | my $data = ''; | |
39 | while ($dbh->pg_getcopydata($data) >= 0) { | |
40 | print $ofh $data; | |
41 | } | |
42 | ||
43 | print $ofh "\\.\n\n"; | |
44 | ||
45 | if ($seq && $seqcol) { | |
46 | print $ofh "SELECT setval('$seq', max($seqcol)) FROM $table;\n\n"; | |
47 | } | |
48 | } | |
49 | ||
50 | sub dumpdb { | |
51 | my ($ofh) = @_; | |
52 | ||
53 | print $ofh "SET client_encoding = 'SQL_ASCII';\n"; | |
54 | print $ofh "SET check_function_bodies = false;\n\n"; | |
55 | ||
56 | my $dbh = PMG::DBTools::open_ruledb(); | |
57 | ||
58 | print $ofh "BEGIN TRANSACTION;\n\n"; | |
59 | ||
60 | eval { | |
61 | $dbh->begin_work; | |
62 | ||
63 | # read a consistent snapshot | |
64 | $dbh->do("SET TRANSACTION ISOLATION LEVEL SERIALIZABLE"); | |
65 | ||
66 | dump_table($dbh, 'attribut', $ofh); | |
67 | dump_table($dbh, 'object', $ofh, 'object_id_seq', 'id'); | |
68 | dump_table($dbh, 'objectgroup', $ofh, 'objectgroup_id_seq', 'id'); | |
69 | dump_table($dbh, 'rule', $ofh, 'rule_id_seq', 'id'); | |
70 | dump_table($dbh, 'rulegroup', $ofh); | |
71 | dump_table($dbh, 'userprefs', $ofh); | |
72 | ||
73 | # we do not save the following tables: cgreylist, cmailstore, cmsreceivers, clusterinfo | |
74 | }; | |
75 | my $err = $@; | |
76 | ||
77 | $dbh->rollback(); # end read-only transaction | |
78 | ||
79 | $dbh->disconnect(); | |
80 | ||
81 | die $err if $err; | |
82 | ||
83 | print $ofh "COMMIT TRANSACTION;\n\n"; | |
84 | } | |
85 | ||
86 | sub dumpstatdb { | |
87 | my ($ofh) = @_; | |
88 | ||
89 | print $ofh "SET client_encoding = 'SQL_ASCII';\n"; | |
90 | print $ofh "SET check_function_bodies = false;\n\n"; | |
91 | ||
92 | my $dbh = PMG::DBTools::open_ruledb(); | |
93 | ||
94 | eval { | |
95 | $dbh->begin_work; | |
96 | ||
97 | # read a consistent snapshot | |
98 | $dbh->do("SET TRANSACTION ISOLATION LEVEL SERIALIZABLE"); | |
99 | ||
100 | print $ofh "BEGIN TRANSACTION;\n\n"; | |
101 | ||
102 | dump_table($dbh, 'dailystat', $ofh); | |
103 | dump_table($dbh, 'domainstat', $ofh); | |
104 | dump_table($dbh, 'virusinfo', $ofh); | |
105 | dump_table($dbh, 'localstat', $ofh); | |
106 | ||
107 | # drop/create the index is a little bit faster (20%) | |
108 | ||
109 | print $ofh "DROP INDEX cstatistic_time_index;\n\n"; | |
110 | print $ofh "ALTER TABLE cstatistic DROP CONSTRAINT cstatistic_id_key;\n\n"; | |
111 | print $ofh "ALTER TABLE cstatistic DROP CONSTRAINT cstatistic_pkey;\n\n"; | |
112 | dump_table($dbh, 'cstatistic', $ofh, 'cstatistic_id_seq', 'id'); | |
113 | print $ofh "ALTER TABLE ONLY cstatistic ADD CONSTRAINT cstatistic_pkey PRIMARY KEY (cid, rid);\n\n"; | |
114 | print $ofh "ALTER TABLE ONLY cstatistic ADD CONSTRAINT cstatistic_id_key UNIQUE (id);\n\n"; | |
115 | print $ofh "CREATE INDEX CStatistic_Time_Index ON CStatistic (Time);\n\n"; | |
116 | ||
117 | print $ofh "DROP INDEX CStatistic_ID_Index;\n\n"; | |
118 | dump_table($dbh, 'creceivers', $ofh); | |
119 | print $ofh "CREATE INDEX CStatistic_ID_Index ON CReceivers (CStatistic_CID, CStatistic_RID);\n\n"; | |
120 | ||
121 | dump_table($dbh, 'statinfo', $ofh); | |
122 | ||
123 | print $ofh "COMMIT TRANSACTION;\n\n"; | |
124 | }; | |
125 | my $err = $@; | |
126 | ||
127 | $dbh->rollback(); # end read-only transaction | |
128 | ||
129 | $dbh->disconnect(); | |
130 | ||
131 | die $err if $err; | |
132 | } | |
133 | ||
134 | sub pmg_backup { | |
135 | my ($filename, $include_statistics) = @_; | |
136 | ||
137 | my $time = time; | |
138 | my $dirname = "/tmp/proxbackup_$$.$time"; | |
139 | my $dbfn = "Proxmox_ruledb.sql"; | |
140 | my $statfn = "Proxmox_statdb.sql"; | |
141 | my $tarfn = "config_backup.tar"; | |
142 | my $sigfn = "proxmox_backup_v1.md5"; | |
143 | my $verfn = "version.txt"; | |
144 | ||
145 | eval { | |
146 | ||
147 | my $targetdir = dirname($filename); | |
148 | mkdir $targetdir; # try to create target dir | |
149 | -d $targetdir || | |
fb9e46a0 | 150 | die "unable to access target directory '$targetdir'\n"; |
9a8d51a4 DM |
151 | |
152 | # create a temporary directory | |
153 | mkdir $dirname; | |
154 | ||
155 | # dump the database first | |
156 | my $fh = PMG::AtomicFile->open("$dirname/$dbfn", "w") || | |
157 | die "cant open '$dirname/$dbfn' - $! :ERROR"; | |
158 | ||
159 | dumpdb($fh); | |
160 | ||
161 | $fh->close(1); | |
162 | ||
163 | if ($include_statistics) { | |
164 | # dump the statistic db | |
165 | my $sfh = PMG::AtomicFile->open("$dirname/$statfn", "w") || | |
166 | die "cant open '$dirname/$statfn' - $! :ERROR"; | |
167 | ||
168 | dumpstatdb($sfh); | |
169 | ||
170 | $sfh->close(1); | |
171 | } | |
172 | ||
173 | my $pkg = PMG::pmgcfg::package(); | |
174 | my $ver = PMG::pmgcfg::version(); | |
175 | ||
176 | my $vfh = PMG::AtomicFile->open ("$dirname/$verfn", "w") || | |
177 | die "cant open '$dirname/$verfn' - $! :ERROR"; | |
178 | ||
179 | $time = time; | |
180 | my $now = localtime; | |
181 | print $vfh "product: $pkg\nversion: $ver\nbackuptime:$time:$now\n"; | |
182 | $vfh->close(1); | |
183 | ||
bd1325ed | 184 | my $extra_cfgs = []; |
9a8d51a4 | 185 | |
29b263e5 | 186 | push @$extra_cfgs, $sa_custom_config_fn; |
9a8d51a4 | 187 | |
bd1325ed | 188 | #push @$extra_cfgs, '/etc/postfix/tls_policy'; |
9a8d51a4 DM |
189 | |
190 | my $extradb = $include_statistics ? $statfn : ''; | |
191 | ||
bd1325ed | 192 | my $extra = join(' ', @$extra_cfgs); |
9a8d51a4 DM |
193 | |
194 | system("/bin/tar cf $dirname/$tarfn -C / " . | |
bd1325ed | 195 | "/etc/pmg $extra>/dev/null 2>&1") == 0 || |
9a8d51a4 DM |
196 | die "unable to create system configuration backup: ERROR"; |
197 | ||
198 | system("cd $dirname; md5sum $tarfn $dbfn $extradb $verfn> $sigfn") == 0 || | |
199 | die "unable to create backup signature: ERROR"; | |
200 | ||
201 | system("rm -f $filename; tar czf $filename -C $dirname $verfn $sigfn $dbfn $extradb $tarfn") == 0 || | |
202 | die "unable to create backup archive: ERROR"; | |
203 | }; | |
204 | my $err = $@; | |
205 | ||
206 | rmtree $dirname; | |
207 | ||
208 | if ($err) { | |
209 | unlink $filename; | |
210 | die $err; | |
211 | } | |
212 | } | |
213 | ||
a6d276e9 DM |
214 | sub pmg_restore { |
215 | my ($filename, $restore_database, $restore_config, $restore_statistics) = @_; | |
216 | ||
217 | my $dbname = 'Proxmox_ruledb'; | |
218 | ||
219 | my $time = time; | |
220 | my $dirname = "/tmp/proxrestore_$$.$time"; | |
221 | my $dbfn = "Proxmox_ruledb.sql"; | |
222 | my $statfn = "Proxmox_statdb.sql"; | |
223 | my $tarfn = "config_backup.tar"; | |
224 | my $sigfn = "proxmox_backup_v1.md5"; | |
225 | ||
226 | eval { | |
227 | # create a temporary directory | |
228 | mkdir $dirname; | |
229 | ||
230 | system("cd $dirname; tar xzf $filename >/dev/null 2>&1") == 0 || | |
231 | die "unable to extract backup archive: ERROR"; | |
232 | ||
233 | system("cd $dirname; md5sum -c $sigfn") == 0 || | |
234 | die "proxmox backup signature check failed: ERROR"; | |
235 | ||
236 | if ($restore_config) { | |
237 | # restore the tar file | |
238 | mkdir "$dirname/config/"; | |
239 | system("tar xpf $dirname/$tarfn -C $dirname/config/") == 0 || | |
240 | die "unable to restore configuration tar archive: ERROR"; | |
241 | ||
242 | -d "$dirname/config/etc/pmg" || | |
243 | die "backup does not contain a valid system configuration directory (/etc/pmg)\n"; | |
244 | # unlink unneeded files | |
245 | unlink "$dirname/config/etc/pmg/cluster.conf"; # never restore cluster config | |
246 | rmtree "$dirname/config/etc/pmg/master"; | |
247 | ||
8624613e DM |
248 | # remove current config, but keep directory for INotify |
249 | rmtree("/etc/pmg", { keep_root => 1 }); | |
a6d276e9 DM |
250 | # copy files |
251 | system("cp -a $dirname/config/etc/pmg/* /etc/pmg/") == 0 || | |
252 | die "unable to restore system configuration: ERROR"; | |
253 | ||
29b263e5 | 254 | if (-f "$dirname/config/${sa_custom_config_fn}") { |
520f7717 | 255 | my $data = PVE::Tools::file_get_contents( |
29b263e5 DM |
256 | "$dirname/config/${sa_custom_config_fn}", 1024*1024); |
257 | PVE::Tools::file_set_contents($sa_custom_config_fn, $data); | |
520f7717 DM |
258 | } |
259 | ||
a6d276e9 DM |
260 | my $cfg = PMG::Config->new(); |
261 | my $ruledb = PMG::RuleDB->new(); | |
262 | my $rulecache = PMG::RuleCache->new($ruledb); | |
263 | $cfg->rewrite_config($rulecache, 1); | |
264 | } | |
265 | ||
266 | if ($restore_database) { | |
267 | # recreate the database | |
268 | ||
269 | # stop all services accessing the database | |
270 | PMG::Utils::service_wait_stopped(40, $PMG::Utils::db_service_list); | |
271 | ||
272 | print "Destroy existing rule database\n"; | |
273 | PMG::DBTools::delete_ruledb($dbname); | |
274 | ||
275 | print "Create new database\n"; | |
276 | my $dbh = PMG::DBTools::create_ruledb($dbname); | |
a6d276e9 DM |
277 | |
278 | system("cat $dirname/$dbfn|psql $dbname >/dev/null 2>&1") == 0 || | |
279 | die "unable to restore rule database: ERROR"; | |
280 | ||
281 | if ($restore_statistics) { | |
282 | if (-f "$dirname/$statfn") { | |
283 | system("cat $dirname/$statfn|psql $dbname >/dev/null 2>&1") == 0 || | |
284 | die "unable to restore statistic database: ERROR"; | |
285 | } | |
286 | } | |
287 | ||
288 | print STDERR "run analyze to speed up database queries\n"; | |
289 | PMG::DBTools::postgres_admin_cmd('psql', { input => 'analyze;' }, $dbname); | |
290 | ||
291 | print "Analyzing/Upgrading existing Databases..."; | |
9882b397 | 292 | my $ruledb = PMG::RuleDB->new($dbh); |
a6d276e9 DM |
293 | PMG::DBTools::upgradedb($ruledb); |
294 | print "done\n"; | |
295 | ||
296 | # cleanup old spam/virus storage | |
297 | PMG::MailQueue::create_spooldirs(0, 1); | |
298 | ||
299 | my $cfg = PMG::Config->new(); | |
300 | my $rulecache = PMG::RuleCache->new($ruledb); | |
301 | $cfg->rewrite_config($rulecache, 1); | |
302 | ||
303 | # and restart services as soon as possible | |
304 | foreach my $service (reverse @$PMG::Utils::db_service_list) { | |
305 | eval { PVE::Tools::run_command(['systemctl', 'start', $service]); }; | |
306 | warn $@ if $@; | |
307 | } | |
308 | } | |
309 | }; | |
310 | my $err = $@; | |
311 | ||
312 | rmtree $dirname; | |
313 | ||
314 | die $err if $err; | |
315 | } | |
316 | ||
9a8d51a4 | 317 | 1; |