Annotation of doc/install/suse/sles10/install.pl, revision 1.2
1.1 raeburn 1: #!/usr/bin/perl -w
2: # The LearningOnline Network
3: # SLES10 installation script
4: #
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # http://www.lon-capa.org/
24: #
25:
26: use strict;
27: use File::Copy;
28: use Getopt::Long;
29:
30: my $result;
31: my $test;
32:
33: # note: The filehandle LOG is global.
34: open LOG,">>loncapa_install.log" || die "Unable to open log file.\n";
35:
1.2 ! raeburn 36: print LOG '$Id: install.pl,v 1.1 2006/09/19 20:59:31 raeburn Exp $'."\n";
1.1 raeburn 37:
38: # Some friendly subroutines
39: sub die_if_nonempty {
40: my ($string,$error)=@_;
41: return if (! defined($error));
42: chomp($string);chomp($error);
43: if ($string ne '') {
44: print_and_log("$error\nHalting.\n");
45: die;
46: }
47: }
48:
49: sub make_link_or_die {
50: my ($source,$dest)=@_;
51: &die_if_nonempty
52: (`ln -fs $source $dest`,"Unable to link $source to $dest.");
53: print LOG "Link from $source to $dest made successfully\n";
54: }
55:
56: sub writelog {
57: while ($_ = shift) {
58: chomp;
59: print LOG "$_\n";
60: }
61: }
62:
63: sub print_and_log {
64: while ($_=shift) {
65: chomp;
66: print "$_\n";
67: print LOG "$_\n";
68: }
69: }
70:
71: ###############################
72: # #
73: # Define default behaviour #
74: # #
75: ###############################
76: my $make_www = 1;
77: my $install_pwauth = 1;
78: my $setup_mysql = 1;
79: my $setup_mysql_permissions = 1;
80: my $stop_services = 0;
81: my $install_apache2_conf = 1;
82: my $download_loncapa = 1;
83: my $showhelp = 0;
84:
85: ###################################
86: #
87: # Deal with command line options
88: #
89: ###################################
90: GetOptions(
91: "make_www!" => \$make_www,
92: "install_pwauth!" => \$install_pwauth,
93: "setup_mysql!" => \$setup_mysql,
94: "setup_mysql_permissions!" => \$setup_mysql_permissions,
95: "stop_services!" => \$stop_services,
96: "install_apache2_conf!" => \$install_apache2_conf,
97: "download_loncapa!" => \$download_loncapa,
98: "help" => \$showhelp,
99: );
100:
101: if ($showhelp) {
102: print <<END;
103: $0: The following options are available:
104:
105: Option Default Description
106: ---------------------------------------------
107: make_www yes Create the www user
108: install_pwauth yes Install pwauth
109: setup_mysql yes Configure MySQL
110: setup_mysql_permissions yes Configure MySQL Permissions
111: stop_services no Stop unneeded services
112: install_apache2_conf yes Install LON-CAPA provided Apache 2 config files.
113: download_loncapa yes Download LON-CAPA sources code
114: help Show this help
115:
116: Examples:
117:
118: Default behaviour is the same as:
119:
120: $0 --make_www --install_pwauth --setup_mysql \
121: --setup_mysql_permissions --install_apache2_conf \
122: --download_loncapa
123:
124: Do everything as normal but do not configure MySQL database:
125:
126: $0 --nosetup_mysql
127:
128: END
129: exit;
130: }
131:
132: print <<"END";
133: ********************************************************************
134:
135: Welcome to LON-CAPA
136:
137: This script will configure the base software that LON-CAPA needs to
138: run properly.
139:
140: ********************************************************************
141: END
142:
143: my $instdir = `pwd`;
144: chomp($instdir);
145:
146: if ($make_www) {
147: &setup_www();
148: } else {
149: &print_and_log("Skipping creation of user 'www'.\n");
150: }
151:
152: if ($install_pwauth) {
153: &build_and_install_mod_auth_external();
154: } else {
155: &print_and_log("Skipping pwauth installation.\n");
156: }
157:
158: if ($stop_services) {
159: &kill_extra_services();
160: } else {
161: # No message as not stopping the services is the default
162: }
163:
164: if ($setup_mysql) {
165: &setup_mysql();
166: } else {
167: &print_and_log("Skipping configuration of MySQL.\n");
168: }
169:
170: ##
171: ## Set up httpd
172: ##
173: print_and_log("Setting httpd to start on boot up.\n");
174: system("insserv apache2");
175:
176: if ($install_apache2_conf) {
177: ©_apache2_conf();
178: }
179:
180: my $lctarball = 'loncapa-suse-current.tar.gz';
181: if ($download_loncapa) {
182: &download_loncapa($lctarball);
183: } else {
184: print_and_log(<<"END");
185:
186: You have requested not to have the LON-CAPA source downloaded from
187: install.loncapa.org.
188:
189: LON-CAPA is not yet installed on your system.
190:
191: You may retrieve the source for LON-CAPA by executing :
192: wget http://install.loncapa.org/versions/$lctarball
193: END
194: }
195:
196: exit;
197:
198: ####################################################################
199: ####################################################################
200:
201: ###############################################
202: ###############################################
203: sub setup_www {
204: ##
205: ## Set up www
206: ##
207: print_and_log("Creating user 'www'\n");
1.2 ! raeburn 208: # -- Add group
! 209: my $status = `/usr/sbin/groupadd www`;
! 210: if (! (($status eq '') || ($status =~ /Group `www' already exists\./))) {
! 211: die "Unable to add group www. Halting.\n";
! 212: }
! 213: my $gid = getgrnam('www');
! 214:
! 215: if (open (PIPE, "/usr/sbin/useradd -c LONCAPA -g $gid www 2>&1 |")) {
! 216: $status = <PIPE>;
! 217: close(PIPE);
! 218: chomp($status);
! 219: if (! (($status eq '') || ($status =~ /Account `www' already exists\./))){
! 220: die "Unable to add user www. Halting.\n";
! 221: }
! 222: } else {
! 223: die "Unable to run command to add user www. Halting.\n";
1.1 raeburn 224: }
1.2 ! raeburn 225:
1.1 raeburn 226: if (!-e '/home/www') {
227: mkdir('/home/www',0755);
228: system('chmod www:www /home/www');
229: }
1.2 ! raeburn 230: writelog ($status);
1.1 raeburn 231: }
232:
233: ###############################################
234: ###############################################
235: sub uid_of_www {
236: my ($num) = (getpwnam('www'))[2];
237: return $num;
238: }
239:
240: ###############################################
241: ##
242: ## mod_auth_external
243: ##
244: ###############################################
245: sub build_and_install_mod_auth_external {
246: my $num = &uid_of_www();
247: # Patch pwauth
248: print_and_log("Building authentication system for LON-CAPA users.\n");
249: my $patch = <<"ENDPATCH";
250: 148c148
251: < #define SERVER_UIDS 99 /* user "nobody" */
252: ---
253: > #define SERVER_UIDS $num /* user "www" */
254: ENDPATCH
255:
256: if (! -e "/usr/bin/patch") {
257: print_and_log("You must install the software development tools package ".
258: "when installing RedHat.\n");
259: die;
260: }
261: &die_if_nonempty(`cd /tmp; tar zxf $instdir/pwauth-2.2.8.tar.gz`,
262: "Unable to extract pwauth\n");
263: my $dir = "/tmp/pwauth-2.2.8";
264: open PATCH, "| patch $dir/config.h" ||
265: die "Unable to start patch for pwauth. Halting\n";
266: print PATCH $patch;
267: close PATCH;
268: print_and_log("\n");
269: ##
270: ## Compile patched pwauth
271: ##
272: print_and_log("Compiling pwauth\n");
273: $result = `cd $dir/; make`;
274: my $expected = <<"END";
275: gcc -g -c -o pwauth.o pwauth.c
276: gcc -o pwauth -g pwauth.o -lcrypt
277: END
278: if ($result ne $expected) {
279: die "Unable to compile patched pwauth. Halting.\n";
280: }
281: print_and_log( "appearant success compiling pwauth:\n".$result );
282: # Install patched pwauth
283: print_and_log("Copying pwauth to /usr/local/sbin\n");
284: if (! copy "$dir/pwauth","/usr/local/sbin/pwauth") {
285: die "Unable to copy $dir/pwauth to /usr/local/sbin/pwauth.\n$!\nHalting\n";
286: }
287: if (! chmod (06755, "/usr/local/sbin/pwauth")) {
288: die "Unable to set permissions on /usr/local/sbin/pwauth.\n";
289: }
290: print_and_log("\n");
291: }
292:
293: ###############################################
294: ##
295: ## Kill some services
296: ##
297: ###############################################
298: sub kill_extra_services {
299: &print_and_log("\nKilling unneccessary services.\n");
300: foreach my $service ('cups','sendmail') {
301: &print_and_log(`/etc/init.d/$service stop`);
302: &print_and_log("removing $service from startup.\n");
303: &print_and_log(`chkconfig --del $service`);
304: }
305: }
306:
307: ###############################################
308: ##
309: ## Set up mysql
310: ##
311: ###############################################
312: sub setup_mysql {
313: print_and_log("Setting mysqld to start on boot up.\n");
314: system("insserv mysql");
315: #
316: writelog("mysql will start automatically on boot.\n");
317: writelog(`/etc/init.d/mysql start`);
318: print_and_log("Waiting for mysql daemon to start.\n");
319: sleep 5;
320: my $status = system("/etc/init.d/mysql status");
321: if ($status != 0) {
322: die "Unable to start mysql daemon\nHalting\n";
323: } else {
324: print_and_log("Mysql daemon is running.\n");
325: }
326: print_and_log("\n");
327: #
328: my $mysql_commands = "CREATE DATABASE loncapa;\n";
329: if ($setup_mysql_permissions) {
330: ##
331: ## Get root password for mysql client
332: ##
333: print <<END;
334: Please enter a root password for the mysql database.
335: It does not have to match your root account password, but you will need
336: to remember it.
337: END
338: my $rootpass = <>;
339: chomp $rootpass;
340: $mysql_commands .= <<"END";
341: INSERT INTO user (Host, User, Password)
342: VALUES ('localhost','www',password('localhostkey'));
343: INSERT INTO db VALUES ('localhost','loncapa','www','Y','Y','Y','Y','Y','Y','N','Y','Y','Y','Y','Y','N','N','N','N','N');
344: DELETE FROM user WHERE host<>'localhost';
345: SET PASSWORD FOR 'root'\@'localhost'=PASSWORD('$rootpass');
346: FLUSH PRIVILEGES;
347: END
348: print_and_log("Retrieved MySQL root password.\n");
349: } else {
350: print_and_log("Skipping mysql permissions setup.\n");
351: }
352: $mysql_commands .= <<"ENDMYSQL";
353: USE loncapa;
354: CREATE TABLE IF NOT EXISTS metadata (title TEXT, author TEXT, subject TEXT, url TEXT, keywords TEXT, version TEXT, notes TEXT, abstract TEXT, mime TEXT, language TEXT, creationdate DATETIME, lastrevisiondate DATETIME, owner TEXT, copyright TEXT, FULLTEXT idx_title (title), FULLTEXT idx_author (author), FULLTEXT idx_subject (subject), FULLTEXT idx_url (url), FULLTEXT idx_keywords (keywords), FULLTEXT idx_version (version), FULLTEXT idx_notes (notes), FULLTEXT idx_abstract (abstract), FULLTEXT idx_mime (mime), FULLTEXT idx_language (language), FULLTEXT idx_owner (owner), FULLTEXT idx_copyright (copyright)) TYPE=MYISAM;
355: EXIT
356: ENDMYSQL
357: ##
358: ## Execute the MySQL commands
359: ##
360: print_and_log("Starting mysql client.\n");
361: open MYSQL, "|mysql -u root mysql" || die "Unable to start mysql\n";
362: print MYSQL $mysql_commands;
363:
364: close MYSQL;
365: print_and_log("\n");
366: }
367:
368:
369: ###############################################
370: ##
371: ## Copy apache2 config files: default-server.conf,
1.2 ! raeburn 372: ## uid.conf, /etc/sysconfig/apache2
1.1 raeburn 373: ## and create symlink from /srv/www/conf to /etc/apache2
374: ##
375: ###############################################
376: sub copy_apache2_conf {
377: print_and_log("Copying our default-server.conf to /etc/apache2/default-server.conf\n");
378: if (!-e "/etc/apache2/default-server.conf.original") {
379: copy "/etc/apache2/default-server.conf","/etc/apache2/default-server.conf.original";
380: }
381: copy "$instdir/default-server.conf","/etc/apache2/default-server.conf";
382: chmod 0444,"/etc/apache2/default-server.conf";
383: # Make symlink for conf directory (included in loncapa_apache.conf)
384: my $can_symlink = (eval { symlink('/etc/apache2','/srv/www/conf'); }, $@ eq '');
385: if ($can_symlink) {
386: &print_and_log("Symlink created for /srv/www/conf to /etc/apache2");
387: } else {
388: &print_and_log("Symlink creation failed for /srv/www/conf to /etc/apache2. You will need to perform this action from the command line");
389: }
390: ©_apache2_conf_files();
391: ©_sysconfig_apache2_file();
392: print_and_log("\n");
393: }
394:
395: ###############################################
396: ##
1.2 ! raeburn 397: ## Modify uid.conf
1.1 raeburn 398: ##
399: ###############################################
400: sub copy_apache2_conf_files {
401: print_and_log("Copying our uid.conf to /etc/apache2/uid.conf\n");
402: if (!-e "/etc/apache2/uid.conf.original") {
403: copy "/etc/apache2/uid.conf","/etc/apache2/uid.conf.original";
404: }
405: copy "$instdir/uid.conf","/etc/apache2/uid.conf";
406: chmod 0444,"/etc/apache2/uid.conf";
407: }
408:
409: ###############################################
410: ##
411: ## Modify /etc/sysconfig/apache2
412: ##
413: ###############################################
414: sub copy_sysconfig_apache2_file {
415: print_and_log("Copying our sysconfig/apache2 file to /etc/sysconfig/apache2\n");
416: if (!-e "/etc/sysconfig/apache2.original") {
417: copy "/etc/sysconfig/apache2","/etc/sysconfig/apache2.original";
418: }
419: copy "$instdir/sysconfig_apache2","/etc/sysconfig/apache2";
420: chmod 0444,"/etc/sysconfig/apache2";
421: }
422:
423: ###############################################
424: ##
425: ## Retrieve the latest LON-CAPA release
426: ##
427: ###############################################
428: sub download_loncapa {
429: my ($lctarball) = @_;
430: if (! -e "$instdir/$lctarball") {
431: print_and_log("Retrieving LON-CAPA source files from ".
432: "http://install.loncapa.org\n");
433: system("wget http://install.loncapa.org/versions/$lctarball ".
434: "2>/dev/null 1>/dev/null");
435: if (! -e "./$lctarball") {
436: die("Unable to retrieve LON-CAPA source files from\n".
437: "http://install.loncapa.org/versions/$lctarball\n");
438: }
439: print_and_log("\n");
440: } else {
441: print_and_log(<<"END");
442: ------------------------------------------------------------------------
443:
444: You seem to have a version of loncapa-current.tar.gz in $instdir.
445: This copy will be used and a new version will NOT be downloaded.
446: If you wish, you may download a new version by executing:
447:
448: wget http://install.loncapa.org/versions/loncapa-fedora-current.tar.gz
449:
450: ------------------------------------------------------------------------
451: END
452: }
453:
454: ##
455: ## untar loncapa.tar.gz
456: ##
457: print_and_log("Extracting LON-CAPA source files\n");
458: writelog(`cd ~root; tar zxf $instdir/$lctarball`);
459: print_and_log("\n");
460: print <<"ENDMSG";
461: All of the extra files seem to have been installed correctly. It remains for
462: you to execute the following commands:
463:
464: cd /root/loncapa-N.N (N.N should correspond to a version number like '0.4')
465: ./UPDATE
466:
467: If you have any trouble, please see http://install.loncapa.org/ and
468: http://help.loncapa.org/.
469: ENDMSG
470: }
471:
472: close LOG;
473:
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