Annotation of doc/install/redhat7.3/install.pl, revision 1.9

1.1       matthew     1: #!/usr/bin/perl -w
                      2: # The LearningOnline Network 
                      3: # Red Hat 7.3 installation script
                      4: #
1.9     ! matthew     5: # $Id: install.pl,v 1.8 2002/09/23 01:25:09 harris41 Exp $
1.1       matthew     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: #
1.2       matthew    27: 
1.1       matthew    28: ##
                     29: ## Obvious flaws of this program: 
                     30: ##   Dieing on every error may be a little extreme.  On the other hand, 
                     31: ##       how the heck am I supposed to know what absurd things the user 
                     32: ##       has done with their system before inflicting LON-CAPA on it?
                     33: ##   The links to /etc/init.d for httpd and mysqld do not seem to work :(
                     34: ##   The user is never informed of the log file (/tmp/loncapa_install.log).
                     35: ##   It does not test the system at the end.  Again, there are limits to 
                     36: ##       what nonsense we can put up with.  Of course, we will have to 
                     37: ##       explain that to people at some point...
                     38: ##   There is probably an overuse of elipses (...) in the comments.
1.2       matthew    39: ##   It might be nice to check that all the files we need are here.
                     40: ##   Appletalk is installed but does not work and gives errors on
                     41: ##       boot up.  I have not been able to find a clean way to get the
                     42: ##       appletalk support working but the powers that be insist on it.
1.1       matthew    43: ##
1.2       matthew    44: 
                     45: #
                     46: # Needed files:
                     47: #
                     48: #    The following files are assumed to be present in the current
                     49: #    directory:
                     50: #      RPMS:
1.3       matthew    51: #        ImageMagick-5.4.3.11-1.i386.rpm
                     52: #        ImageMagick-devel-5.4.3.11-1.i386.rpm
                     53: #        ImageMagick-perl-5.4.3.11-1.i386.rpm
1.2       matthew    54: #        gnuplot-3.7.1-5.i386.rpm
                     55: #        libgd-1.3-4.i386.rpm
                     56: #        libungif-progs-4.1.0-9.i386.rpm
                     57: #        ncurses4-5.0-5.i386.rpm
                     58: #        readline-2.2.1-6.i386.rpm
                     59: #        readline-4.2a-4.i386.rpm
                     60: #        perl-DBD-MySQL-1.2216-4.i386.rpm
                     61: #        perl-DBI-1.21-1.i386.rpm
                     62: #        mod_perl-1.26-5.i386.rpm
                     63: #        perl-suidperl-5.6.1-34.99.6.i386.rpm
                     64: #        LON-CAPA-systemperl-3.4-rh72.i386.rpm
                     65: #        mysql-3.23.49-3.i386.rpm
                     66: #        mysqlclient9-3.23.22-6.i386.rpm
                     67: #        mysql-server-3.23.49-3.i386.rpm
                     68: #        hwcrypto-1.0-3.i386.rpm
                     69: #        m2crypto-0.05_snap4-2.i386.rpm
                     70: #        netatalk-1.5pre6-1rh7.i386.rpm
                     71: #      Other files:
                     72: #        httpd.conf
                     73: #        mod_auth_external-2.1.13.tar.gz
                     74: #
                     75: #    The contingency plan for a 7.2 install tells the user to install these
                     76: #    from the current directory.
                     77: #        perl-5.6.1-34.99.6.i386.rpm
                     78: #        perl-CGI-2.752-34.99.6.i386.rpm
                     79: #
                     80: 
1.1       matthew    81: use strict;
                     82: use File::Copy;
                     83: 
                     84: my $result; 
                     85: my $test;
                     86: 
                     87: # note: The filehandle LOG is global.
                     88: open LOG,">/tmp/loncapa_install.log" || die "Unable to open log file.\n";
                     89: 
                     90: # Some friendly subroutines
                     91: sub die_if_nonempty {
                     92:     my ($string,$error)=@_;
                     93:     return if (! defined($error));
                     94:     chomp($string);chomp($error);
                     95:     if ($string ne '') {
                     96:         print_and_log("$error\nHalting.\n");
                     97:         die;
                     98:     }
                     99: }
                    100: 
                    101: sub make_link_or_die {
                    102:     my ($source,$dest)=@_;
                    103:     &die_if_nonempty
                    104:         (`ln -fs $source $dest`,"Unable to link $source to $dest.");
                    105:     print LOG "Link from $source to $dest made successfully\n";
                    106: }
                    107: 
                    108: sub writelog {
                    109:     while ($_ = shift) {
                    110:         chomp;
                    111:         print LOG "$_\n";
                    112:     }
                    113: }
                    114: 
                    115: sub print_and_log {
                    116:     while ($_=shift) {
                    117:         chomp;
                    118:         print "$_\n";
                    119:         print LOG "$_\n";
                    120:     }
                    121: }
                    122: 
                    123: ##
                    124: ## First, make sure it's a red hat system.
                    125: ##
                    126: if (! -e "/etc/redhat-release") {
                    127:     print_and_log(<<"END");
                    128: *********************************************************************
                    129: 
                    130: This does not a appear to be a Red-Hat system.  More than likely the 
                    131: installation will not be successful!  Press control-c to abort now, 
                    132: otherwise press enter to forge ahead and damn the torpedos.
                    133: 
                    134: *********************************************************************
                    135: END
                    136:     undef = <STDIN>;
                    137: }
                    138: 
                    139: 
                    140: 
                    141: #
                    142: # The installation work begins now...
                    143: #
                    144: 
                    145: print <<"END";
                    146: ********************************************************************
                    147: 
                    148:                         Welcome to LON-CAPA
                    149: 
                    150: This script will install the base software that LON-CAPA needs to
                    151: run properly. 
                    152: 
                    153: ********************************************************************
                    154: END
                    155: 
                    156: ##
                    157: ## Install needed RPMS
                    158: ##
                    159: my $instdir = `pwd`;
                    160: chomp($instdir);
                    161: # 
                    162: # This list of rpms needs to be pared down to some extent.
                    163: #
                    164: 
1.4       matthew   165: my @apache_rpms = (
                    166:              "$instdir/apache-1.3.23-14.i386.rpm"
                    167:                    );
                    168: 
                    169: my @openssh_rpms = (
                    170:              "$instdir/openssh-3.1p1-6.i386.rpm",
                    171:              "$instdir/openssh-askpass-3.1p1-6.i386.rpm",
                    172:              "$instdir/openssh-clients-3.1p1-6.i386.rpm",
                    173:              "$instdir/openssh-server-3.1p1-6.i386.rpm"
                    174:                 );
                    175: # Check for gnome-askpass installation.
                    176: if (-e "/etc/profile.d/gnome-ssh-askpass.sh") {
                    177:     push @openssh_rpms,"$instdir/openssh-askpass-gnome-3.1p1-6.i386.rpm";
                    178: }
                    179: 
1.3       matthew   180: my @ImageMagick_rpms = (
                    181:              "$instdir/ImageMagick-5.4.3.11-1.i386.rpm",
                    182:              "$instdir/ImageMagick-devel-5.4.3.11-1.i386.rpm",
                    183:              "$instdir/ImageMagick-perl-5.4.3.11-1.i386.rpm",
                    184:                        );
                    185: 
1.1       matthew   186: my @gnuplot_rpms = (
                    187:              "$instdir/gnuplot-3.7.1-5.i386.rpm",
                    188:              "$instdir/libgd-1.3-4.i386.rpm",
                    189:              "$instdir/libungif-progs-4.1.0-9.i386.rpm",
                    190:              "$instdir/ncurses4-5.0-5.i386.rpm",
                    191:              "$instdir/readline-2.2.1-6.i386.rpm",
                    192:              "$instdir/readline-4.2a-4.i386.rpm"
                    193:                     );
                    194: my @perl_rpms = ( 
                    195:              "$instdir/perl-DBD-MySQL-1.2216-4.i386.rpm",
                    196:              "$instdir/perl-DBI-1.21-1.i386.rpm",
                    197:              "$instdir/mod_perl-1.26-5.i386.rpm",
                    198:              "$instdir/perl-suidperl-5.6.1-34.99.6.i386.rpm",
                    199:                  );
                    200: my @loncapa_perl_rpms = (
                    201:              "$instdir/LON-CAPA-systemperl-3.4-rh72.i386.rpm"
                    202:                     );
                    203: my @mysql_rpms = (
                    204:              "$instdir/mysql-3.23.49-3.i386.rpm",          # okay w/o f,nd
                    205:              "$instdir/mysqlclient9-3.23.22-6.i386.rpm",   # okay w/o f,nd
                    206:              "$instdir/mysql-server-3.23.49-3.i386.rpm",   # okay w/o f,nd
                    207:                   );
                    208: my @misc_rpms = (
                    209:              "$instdir/hwcrypto-1.0-3.i386.rpm",           # already installed
                    210:              "$instdir/m2crypto-0.05_snap4-2.i386.rpm",    # okay w/o f,nd
1.9     ! matthew   211:              "$instdir/tetex-dvips-1.0.7-47.i386.rpm"      
1.1       matthew   212:              );
                    213: ##
                    214: ## Okay, I have tried being nice about this and not doing '--force --nodeps',
                    215: ## but it is an exercise in frustration.  It would be nice to be kind, but
                    216: ## frankly I do not want to spend the time to figure this out.
                    217: ##
1.4       matthew   218: 
                    219: print_and_log("Installing Apache packages.\n");
                    220: writelog (`rpm -Uvh @apache_rpms`);
                    221: print_and_log("Installing openssh packages.\n");
                    222: writelog (`rpm -Uvh @openssh_rpms`);
                    223: system("/etc/init.d/sshd start");
1.3       matthew   224: print_and_log("Installing ImageMagick packages.\n");
                    225: writelog (`rpm -ivh --force --nodeps @ImageMagick_rpms`);
1.1       matthew   226: print_and_log("Installing mysql packages.\n");
                    227: writelog (`rpm -ivh --force --nodeps @mysql_rpms`);
                    228: print_and_log("Installing gnuplot packages.\n");
                    229: writelog (`rpm -ivh --force --nodeps @gnuplot_rpms`);
                    230: print_and_log("Installing LON-CAPA Perl packages.\n");
                    231: writelog (`rpm -ivh --force --nodeps @loncapa_perl_rpms`);
                    232: print_and_log("Installing Perl packages.\n");
                    233: writelog (`rpm -ivh --force --nodeps @perl_rpms`);
                    234: print_and_log("Installing misc packages.\n");
                    235: writelog (`rpm -ivh --force --nodeps @misc_rpms`);
                    236: print_and_log("\n");
                    237: 
                    238: ##
                    239: ## Fix that stupid little sendmail bug
                    240: ##
                    241: print_and_log("changing permissions on root directory.\n");
                    242: $result = `chmod g-w,u+w /`;
                    243: if ($result eq '') {
                    244:     $result = "successful\n";
                    245: } else {
                    246:     die "Unable to change permissions on root directory.  Halting.\n";
                    247: }
                    248: writelog ($result);
                    249: print_and_log("\n");
                    250: 
                    251: ##
                    252: ## Set up www and authentication
                    253: ##
                    254: print_and_log("Creating user 'www'\n");
                    255: $result = `/usr/sbin/useradd www`;
                    256: if (! (($result eq '') || ($result =~ /user www exists/))) {
                    257:     die "Unable to add user www.  Halting.\n";
                    258: }
                    259: writelog ($result);
                    260: my $num = `grep ^www /etc/passwd | cut -d':' -f3`;
                    261: chomp $num;
                    262: if (int($num) == $num) {
                    263:     writelog ("uid of www = $num\n");
                    264: } else {
                    265:     die "Unable to determine UID of user www\n  Halting.\n";
                    266: }
                    267: print_and_log("\n");
                    268: 
                    269: ##
                    270: ## Patch mod_auth_external
                    271: ##
                    272: print_and_log("Setting up authentication for 'www'\n");
                    273: my $patch = <<"ENDPATCH";
                    274: 148c148
                    275: < #define SERVER_UIDS 99		/* user "nobody" */
                    276: ---
                    277: > #define SERVER_UIDS $num		/* user "www" */
                    278: ENDPATCH
                    279: 
                    280: if (! -e "/usr/bin/patch") {
                    281:     print_and_log("You must install the software development tools package ".
                    282:                   "when installing RedHat.\n");
                    283:     die;
                    284: }
                    285: &die_if_nonempty(`cd /tmp; tar zxf $instdir/mod_auth_external-2.1.13.tar.gz`,
                    286:                  "Unable to extract mod_auth_external\n");
                    287: my $dir = "/tmp/mod_auth_external-2.1.13/pwauth";
                    288: open PATCH, "| patch $dir/config.h" || 
                    289:     die "Unable to start patch for mod_auth_external.  Halting\n";
                    290: print PATCH $patch;
                    291: close PATCH;
                    292: print_and_log("\n");
                    293: 
                    294: ##
                    295: ## Compile patched pwauth
                    296: ##
                    297: print_and_log("Compiling pwauth\n");
                    298: $result = `cd $dir/; make`;
                    299: my $expected = <<"END";
                    300: gcc -g    -c -o pwauth.o pwauth.c
                    301: gcc -o pwauth -g  pwauth.o -lcrypt
                    302: END
                    303: 
                    304: if ($result ne $expected) {
                    305:     die "Unable to compile patched pwauth.  Halting.\n";
                    306: }    
                    307: print_and_log( $result );
                    308: 
                    309: ##
                    310: ## Install patched pwauth
                    311: ##
                    312: print_and_log("Copying pwauth to /usr/local/sbin\n");
                    313: if (! copy "$dir/pwauth","/usr/local/sbin/pwauth") {
                    314:     die "Unable to copy $dir/pwauth to /usr/local/sbin/pwauth.\n$!\nHalting\n";
                    315: }
                    316: if (! chmod (06755, "/usr/local/sbin/pwauth")) {
                    317:     die "Unable to set permissions on /usr/local/sbin/pwauth.\n";
                    318: }
                    319: print_and_log("\n");
                    320: 
                    321: ##
                    322: ## Set up mysql
                    323: ##
                    324: print_and_log("Setting mysqld to start on boot up.\n");
                    325: 
                    326: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc0.d/K90mysqld");
                    327: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc1.d/K90mysqld");
                    328: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc2.d/S90mysqld");
                    329: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc3.d/S90mysqld");
                    330: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc4.d/S90mysqld");
                    331: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc5.d/S90mysqld");
                    332: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc6.d/K90mysqld");
                    333: 
                    334: writelog("mysql links created successfully\n");
                    335: writelog(`/etc/rc.d/init.d/mysqld start`);
                    336: print_and_log("Waiting for mysql daemon to start.\n");
                    337: sleep 5;
1.4       matthew   338: my $status = system("/etc/rc.d/init.d/mysqld status");
                    339: if ($status != 0) {
1.1       matthew   340:     die "Unable to start mysql daemon\nHalting\n";
1.4       matthew   341: } else {
                    342:     print_and_log("Mysql daemon is running.\n");
1.1       matthew   343: }
                    344: print_and_log("\n");
                    345: 
                    346: ##
                    347: ## Get root password for mysql client
                    348: ##
                    349: print <<END;
                    350: Please enter a root password for the mysql database.
                    351: It does not have to match your root account password, but you will need
                    352: to remember it.
                    353: END
                    354: my $rootpass = <>;
                    355: chomp $rootpass;
                    356: print_and_log("\n");
                    357: 
                    358: ##
                    359: ## Run the damn thing (mysql, not LON-CAPA)
                    360: ##
                    361: print_and_log("Starting mysql client.\n");
                    362: open MYSQL, "|mysql -u root mysql" || die "Unable to start mysql\n";
                    363: print MYSQL <<"ENDMYSQL";
                    364: CREATE DATABASE loncapa;
                    365: INSERT INTO user (Host, User, Password)
                    366: VALUES ('localhost','www',password('localhostkey'));
1.8       harris41  367: GRANT ALL PRIVILEGES ON loncapa.* TO www\@localhost;
1.1       matthew   368: SET PASSWORD FOR root\@localhost=PASSWORD('$rootpass');
                    369: DELETE FROM user WHERE host<>'localhost';
                    370: FLUSH PRIVILEGES;
                    371: USE loncapa;
                    372: 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;
                    373: EXIT
                    374: ENDMYSQL
                    375: 
                    376: close MYSQL;
                    377: print_and_log("\n");
                    378: 
                    379: ##
                    380: ## Kill the firewall, if it exists
                    381: ##
                    382: #
                    383: # A better method would be to modify the firewall rules to make
                    384: # the lond port open.  Someday.
                    385: #
                    386: if (-e "/etc/init.d/iptables" || -e "/etc/init.d/ipchans") {
                    387:     print_and_log("Stopping and removing your firewall\n");
                    388:     my @tokill = ("/etc/rc.d/rc2.d/S08ipchains",
                    389:                   "/etc/rc.d/rc2.d/S08iptables",
                    390:                   "/etc/rc.d/rc3.d/S08ipchains",
                    391:                   "/etc/rc.d/rc3.d/S08iptables",
                    392:                   "/etc/rc.d/rc4.d/S08ipchains",
                    393:                   "/etc/rc.d/rc4.d/S08iptables",
                    394:                   "/etc/rc.d/rc5.d/S08ipchains",
                    395:                   "/etc/rc.d/rc5.d/S08iptables" );
                    396:     foreach (@tokill) {
                    397:         unlink $_ if (-e $_ );
                    398:     }
                    399:     writelog(`/etc/init.d/ipchains stop`);
                    400:     writelog(`/etc/init.d/ipchains stop`);
                    401:     print_and_log("\n");
                    402: }
                    403: 
                    404: ##
                    405: ## Set up httpd 
                    406: ##
                    407: print_and_log("Setting httpd to start on boot up.\n");
                    408: 
                    409: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc0.d/K15httpd");
                    410: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc1.d/K15httpd");
                    411: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc2.d/K15httpd");
                    412: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc3.d/S85httpd");
                    413: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc4.d/K15httpd");
                    414: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc5.d/K15httpd");
                    415: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc6.d/K15httpd");
                    416: 
                    417: ##
                    418: ## Copy our (probably lousy) httpd.conf to its rightful place
                    419: ##
                    420: print_and_log("Copying our httpd.conf to /etc/httpd/conf/httpd.conf\n");
                    421: copy "$instdir/httpd.conf","/etc/httpd/conf/httpd.conf";
                    422: chmod 0444,"/etc/httpd/conf/httpd.conf";
                    423: print_and_log("\n");
                    424: 
                    425: ##
                    426: ## Retrieve loncapa.tar.gz
                    427: ##
1.5       harris41  428: if (! -e "$instdir/loncapa-current.tar.gz") {
1.1       matthew   429:     print_and_log("Retrieving LON-CAPA source files from install.loncapa.org\n");
1.5       harris41  430:     system("wget http://install.loncapa.org/versions/loncapa-current.tar.gz 2>/dev/null 1>/dev/null");
                    431:     if (! -e "./loncapa-current.tar.gz") {
1.1       matthew   432:         die("Unable to retrieve LON-CAPA source files from\n".
1.5       harris41  433:             "http://install.loncapa.org/versions/loncapa-current.tar.gz\n");
1.1       matthew   434:     }
                    435:     print_and_log("\n");
                    436: } else {
                    437:     print_and_log(<<"END");
                    438: ------------------------------------------------------------------------
                    439: 
1.5       harris41  440: You seem to have a version of loncapa-current.tar.gz in $instdir.  
1.1       matthew   441: This copy will be used and a new version will NOT be downloaded.  
                    442: If you wish, you may download a new version by executing:
                    443: 
1.5       harris41  444: wget http://install.loncapa.org/versions/loncapa-current.tar.gz
1.1       matthew   445: 
                    446: ------------------------------------------------------------------------
                    447: END
                    448: }
                    449: 
                    450: ##
                    451: ## untar loncapa.tar.gz
                    452: ##
                    453: print_and_log("Extracting LON-CAPA source files\n");
1.5       harris41  454: writelog(`cd ~root; tar zxf $instdir/loncapa-current.tar.gz`);
1.1       matthew   455: print_and_log("\n");
                    456: 
                    457: my $version = `cat /etc/redhat-release`;
                    458: if ($version =~ /7\.2/) {
                    459:     print_and_log(<<"END");
                    460: This appears to be a Red Hat 7.2 system.  You need to execute the following
                    461: commands now:
                    462: rpm -Uvh perl-5.6.1-34.99.6.i386.rpm
                    463: rpm -Uvh perl-CGI-2.752-34.99.6.i386.rpm
                    464: 
1.7       harris41  465: cd /root/loncapa-N.N     (N.N should correspond to a version number like '0.4')
1.1       matthew   466: ./UPDATE
                    467: 
                    468: END
                    469: } else {
                    470:     ##
                    471:     ## Assure them that everything worked okay....
                    472:     ##
                    473:     print <<"ENDMSG";
                    474: All of the extra files seem to have been installed correctly.  It remains for 
                    475: you to execute the following commands:
                    476: 
1.7       harris41  477: cd /root/loncapa-N.N     (N.N should correspond to a version number like '0.4')
1.1       matthew   478: ./UPDATE
                    479: 
1.5       harris41  480: If you have any trouble, please see http://install.loncapa.org/ and 
                    481: http://help.loncapa.org/.  
1.1       matthew   482: ENDMSG
                    483: }
                    484: 
                    485: close LOG;
1.4       matthew   486: 

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