Annotation of doc/install/suse/install.pl, revision 1.3
1.1 albertel 1: #!/usr/bin/perl -w
2: # The LearningOnline Network
3: # Fedora installation script
4: #
1.3 ! raeburn 5: # $Id: install.pl,v 1.2 2005/06/15 18:03:23 albertel Exp $
1.1 albertel 6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # http://www.lon-capa.org/
26: #
27:
28: use strict;
29: use File::Copy;
30: use Getopt::Long;
31:
32: my $result;
33: my $test;
34:
35: # note: The filehandle LOG is global.
36: open LOG,">>loncapa_install.log" || die "Unable to open log file.\n";
37:
1.3 ! raeburn 38: print LOG '$Id: install.pl,v 1.2 2005/06/15 18:03:23 albertel Exp $'."\n";
1.1 albertel 39:
40: # Some friendly subroutines
41: sub die_if_nonempty {
42: my ($string,$error)=@_;
43: return if (! defined($error));
44: chomp($string);chomp($error);
45: if ($string ne '') {
46: print_and_log("$error\nHalting.\n");
47: die;
48: }
49: }
50:
51: sub make_link_or_die {
52: my ($source,$dest)=@_;
53: &die_if_nonempty
54: (`ln -fs $source $dest`,"Unable to link $source to $dest.");
55: print LOG "Link from $source to $dest made successfully\n";
56: }
57:
58: sub writelog {
59: while ($_ = shift) {
60: chomp;
61: print LOG "$_\n";
62: }
63: }
64:
65: sub print_and_log {
66: while ($_=shift) {
67: chomp;
68: print "$_\n";
69: print LOG "$_\n";
70: }
71: }
72:
73: ###############################
74: # #
75: # Define default behaviour #
76: # #
77: ###############################
1.3 ! raeburn 78: my $make_www = 1;
1.1 albertel 79: my $install_pwauth = 1;
80: my $setup_mysql = 1;
81: my $setup_mysql_permissions = 1;
82: my $stop_services = 0;
1.3 ! raeburn 83: my $install_httpd_conf = 1;
1.2 albertel 84: my $download_loncapa = 1;
1.1 albertel 85: my $showhelp = 0;
86:
87: ###################################
88: #
89: # Deal with command line options
90: #
91: ###################################
92: GetOptions(
93: "make_www!" => \$make_www,
94: "install_pwauth!" => \$install_pwauth,
95: "setup_mysql!" => \$setup_mysql,
96: "setup_mysql_permissions!" => \$setup_mysql_permissions,
97: "stop_services!" => \$stop_services,
98: "install_httpd_conf!" => \$install_httpd_conf,
99: "download_loncapa!" => \$download_loncapa,
100: "help" => \$showhelp,
101: );
102:
103: if ($showhelp) {
104: print <<END;
105: $0: The following options are available:
106:
107: Option Default Description
108: ---------------------------------------------
109: make_www yes Create the www user
110: install_pwauth yes Install pwauth
111: setup_mysql yes Configure MySQL
112: setup_mysql_permissions yes Configure MySQL Permissions
113: stop_services no Stop unneeded services
114: install_httpd_conf yes Install LON-CAPA provided httpd.conf
115: download_loncapa yes Download LON-CAPA sources code
116: help Show this help
117:
118: Examples:
119:
120: Default behaviour is the same as:
121:
122: $0 --make_www --install_pwauth --setup_mysql \
123: --setup_mysql_permissions --install_httpd_conf \
124: --download_loncapa
125:
126: Do everything as normal but do not configure MySQL database:
127:
128: $0 --nosetup_mysql
129:
130: END
131: exit;
132: }
133:
134: print <<"END";
135: ********************************************************************
136:
137: Welcome to LON-CAPA
138:
139: This script will configure the base software that LON-CAPA needs to
140: run properly.
141:
142: ********************************************************************
143: END
144:
145: my $instdir = `pwd`;
146: chomp($instdir);
147:
148: if ($make_www) {
149: &setup_www();
150: } else {
151: &print_and_log("Skipping creation of user 'www'.\n");
152: }
153:
154: if ($install_pwauth) {
155: &build_and_install_mod_auth_external();
156: } else {
157: &print_and_log("Skipping pwauth installation.\n");
158: }
159:
160: if ($stop_services) {
161: &kill_extra_services();
162: } else {
163: # No message as not stopping the services is the default
164: }
165:
166: if ($setup_mysql) {
167: &setup_mysql();
168: } else {
169: &print_and_log("Skipping configuration of MySQL.\n");
170: }
171:
172: ##
173: ## Set up httpd
174: ##
175: print_and_log("Setting httpd to start on boot up.\n");
176: system("insserv apache");
177:
178: if ($install_httpd_conf) {
179: ©_httpd_conf();
180: }
181:
1.2 albertel 182: my $lctarball = 'loncapa-suse-current.tar.gz';
1.1 albertel 183: if ($download_loncapa) {
184: &download_loncapa($lctarball);
185: } else {
186: print_and_log(<<"END");
187:
188: You have requested not to have the LON-CAPA source downloaded from
189: install.loncapa.org.
190:
191: LON-CAPA is not yet installed on your system.
192:
193: You may retrieve the source for LON-CAPA by executing :
194: wget http://install.loncapa.org/versions/$lctarball
195: END
196: }
197:
198: exit;
199:
200: ####################################################################
201: ####################################################################
202:
203: ###############################################
204: ###############################################
205: sub setup_www {
206: ##
207: ## Set up www
208: ##
209: print_and_log("Creating user 'www'\n");
210: $result = `/usr/sbin/useradd www`;
211: if (! (($result eq '') || ($result =~ /user www exists/))) {
212: die "Unable to add user www. Halting.\n";
213: }
214: writelog ($result);
215: }
216:
217: ###############################################
218: ###############################################
219: sub uid_of_www {
220: my ($num) = (getpwnam('www'))[2];
221: return $num;
222: }
223:
224: ###############################################
225: ##
226: ## mod_auth_external
227: ##
228: ###############################################
229: sub build_and_install_mod_auth_external {
230: my $num = &uid_of_www();
1.3 ! raeburn 231: # Patch pwauth
1.1 albertel 232: print_and_log("Building authentication system for LON-CAPA users.\n");
233: my $patch = <<"ENDPATCH";
234: 148c148
235: < #define SERVER_UIDS 99 /* user "nobody" */
236: ---
237: > #define SERVER_UIDS $num /* user "www" */
238: ENDPATCH
239:
240: if (! -e "/usr/bin/patch") {
241: print_and_log("You must install the software development tools package ".
242: "when installing RedHat.\n");
243: die;
244: }
1.3 ! raeburn 245: &die_if_nonempty(`cd /tmp; tar zxf $instdir/pwauth-2.2.8.tar.gz`,
! 246: "Unable to extract pwauth\n");
! 247: my $dir = "/tmp/pwauth-2.2.8";
1.1 albertel 248: open PATCH, "| patch $dir/config.h" ||
1.3 ! raeburn 249: die "Unable to start patch for pwauth. Halting\n";
1.1 albertel 250: print PATCH $patch;
251: close PATCH;
252: print_and_log("\n");
253: ##
254: ## Compile patched pwauth
255: ##
256: print_and_log("Compiling pwauth\n");
257: $result = `cd $dir/; make`;
258: my $expected = <<"END";
259: gcc -g -c -o pwauth.o pwauth.c
260: gcc -o pwauth -g pwauth.o -lcrypt
261: END
262: if ($result ne $expected) {
263: die "Unable to compile patched pwauth. Halting.\n";
264: }
265: print_and_log( "appearant success compiling pwauth:\n".$result );
266: # Install patched pwauth
267: print_and_log("Copying pwauth to /usr/local/sbin\n");
268: if (! copy "$dir/pwauth","/usr/local/sbin/pwauth") {
269: die "Unable to copy $dir/pwauth to /usr/local/sbin/pwauth.\n$!\nHalting\n";
270: }
271: if (! chmod (06755, "/usr/local/sbin/pwauth")) {
272: die "Unable to set permissions on /usr/local/sbin/pwauth.\n";
273: }
274: print_and_log("\n");
275: }
276:
277: ###############################################
278: ##
279: ## Kill some services
280: ##
281: ###############################################
282: sub kill_extra_services {
283: &print_and_log("\nKilling unneccessary services.\n");
284: foreach my $service ('cups','sendmail') {
285: &print_and_log(`/etc/init.d/$service stop`);
286: &print_and_log("removing $service from startup.\n");
287: &print_and_log(`chkconfig --del $service`);
288: }
289: }
290:
291: ###############################################
292: ##
293: ## Set up mysql
294: ##
295: ###############################################
296: sub setup_mysql {
297: print_and_log("Setting mysqld to start on boot up.\n");
298: system("insserv mysql");
299: #
300: writelog("mysql will start automatically on boot.\n");
301: writelog(`/etc/init.d/mysql start`);
302: print_and_log("Waiting for mysql daemon to start.\n");
303: sleep 5;
304: my $status = system("/etc/init.d/mysql status");
305: if ($status != 0) {
306: die "Unable to start mysql daemon\nHalting\n";
307: } else {
308: print_and_log("Mysql daemon is running.\n");
309: }
310: print_and_log("\n");
311: #
312: my $mysql_commands = "CREATE DATABASE loncapa;\n";
313: if ($setup_mysql_permissions) {
314: ##
315: ## Get root password for mysql client
316: ##
317: print <<END;
318: Please enter a root password for the mysql database.
319: It does not have to match your root account password, but you will need
320: to remember it.
321: END
322: my $rootpass = <>;
323: chomp $rootpass;
324: $mysql_commands .= <<"END";
325: INSERT INTO user (Host, User, Password)
326: VALUES ('localhost','www',password('localhostkey'));
327: INSERT INTO db VALUES ('localhost','loncapa','www','Y','Y','Y','Y','Y','Y','N','Y','Y','Y','Y','Y');
328: SET PASSWORD FOR root\@localhost=PASSWORD('$rootpass');
329: DELETE FROM user WHERE host<>'localhost';
330: FLUSH PRIVILEGES;
331: END
332: print_and_log("Retrieved MySQL root password.\n");
333: } else {
334: print_and_log("Skipping mysql permissions setup.\n");
335: }
336: $mysql_commands .= <<"ENDMYSQL";
337: USE loncapa;
338: 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;
339: EXIT
340: ENDMYSQL
341: ##
342: ## Execute the MySQL commands
343: ##
344: print_and_log("Starting mysql client.\n");
345: open MYSQL, "|mysql -u root mysql" || die "Unable to start mysql\n";
346: print MYSQL $mysql_commands;
347:
348: close MYSQL;
349: print_and_log("\n");
350: }
351:
352:
353: ###############################################
354: ##
355: ## Copy our (probably lousy) httpd.conf to its rightful place
356: ##
357: ###############################################
358: sub copy_httpd_conf {
1.3 ! raeburn 359: print_and_log("Copying our httpd.conf to /etc/httpd/httpd.conf\n");
! 360: copy "/etc/httpd/httpd.conf","/etc/httpd/httpd.conf.original";
! 361: copy "$instdir/httpd.conf","/etc/httpd/httpd.conf";
! 362: chmod 0444,"/etc/httpd/httpd.conf";
! 363: if (!-e "/etc/httpd/conf") { # Make conf directory if missing
! 364: mkdir("/etc/httpd/conf",0755);
! 365: print_and_log("Created /etc/httpd/conf directory");
! 366: }
1.1 albertel 367: print_and_log("\n");
368: }
369:
370: ###############################################
371: ##
372: ## Retrieve the latest LON-CAPA release
373: ##
374: ###############################################
375: sub download_loncapa {
376: my ($lctarball) = @_;
377: if (! -e "$instdir/$lctarball") {
378: print_and_log("Retrieving LON-CAPA source files from ".
379: "http://install.loncapa.org\n");
380: system("wget http://install.loncapa.org/versions/$lctarball ".
381: "2>/dev/null 1>/dev/null");
382: if (! -e "./$lctarball") {
383: die("Unable to retrieve LON-CAPA source files from\n".
384: "http://install.loncapa.org/versions/$lctarball\n");
385: }
386: print_and_log("\n");
387: } else {
388: print_and_log(<<"END");
389: ------------------------------------------------------------------------
390:
391: You seem to have a version of loncapa-current.tar.gz in $instdir.
392: This copy will be used and a new version will NOT be downloaded.
393: If you wish, you may download a new version by executing:
394:
395: wget http://install.loncapa.org/versions/loncapa-fedora-current.tar.gz
396:
397: ------------------------------------------------------------------------
398: END
399: }
400:
401: ##
402: ## untar loncapa.tar.gz
403: ##
404: print_and_log("Extracting LON-CAPA source files\n");
405: writelog(`cd ~root; tar zxf $instdir/$lctarball`);
406: print_and_log("\n");
407: print <<"ENDMSG";
408: All of the extra files seem to have been installed correctly. It remains for
409: you to execute the following commands:
410:
411: cd /root/loncapa-N.N (N.N should correspond to a version number like '0.4')
412: ./UPDATE
413:
414: If you have any trouble, please see http://install.loncapa.org/ and
415: http://help.loncapa.org/.
416: ENDMSG
417: }
418:
419: close LOG;
420:
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