Annotation of doc/install/redhat7.3/install.pl, revision 1.2

1.1       matthew     1: #!/usr/bin/perl -w
                      2: # The LearningOnline Network 
                      3: # Red Hat 7.3 installation script
                      4: #
1.2     ! matthew     5: # $Id: install.pl,v 1.1 2002/06/19 19:16:54 matthew 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:
        !            51: #        gnuplot-3.7.1-5.i386.rpm
        !            52: #        libgd-1.3-4.i386.rpm
        !            53: #        libungif-progs-4.1.0-9.i386.rpm
        !            54: #        ncurses4-5.0-5.i386.rpm
        !            55: #        readline-2.2.1-6.i386.rpm
        !            56: #        readline-4.2a-4.i386.rpm
        !            57: #        perl-DBD-MySQL-1.2216-4.i386.rpm
        !            58: #        perl-DBI-1.21-1.i386.rpm
        !            59: #        mod_perl-1.26-5.i386.rpm
        !            60: #        perl-suidperl-5.6.1-34.99.6.i386.rpm
        !            61: #        LON-CAPA-systemperl-3.4-rh72.i386.rpm
        !            62: #        mysql-3.23.49-3.i386.rpm
        !            63: #        mysqlclient9-3.23.22-6.i386.rpm
        !            64: #        mysql-server-3.23.49-3.i386.rpm
        !            65: #        hwcrypto-1.0-3.i386.rpm
        !            66: #        m2crypto-0.05_snap4-2.i386.rpm
        !            67: #        netatalk-1.5pre6-1rh7.i386.rpm
        !            68: #      Other files:
        !            69: #        httpd.conf
        !            70: #        mod_auth_external-2.1.13.tar.gz
        !            71: #
        !            72: #    The contingency plan for a 7.2 install tells the user to install these
        !            73: #    from the current directory.
        !            74: #        perl-5.6.1-34.99.6.i386.rpm
        !            75: #        perl-CGI-2.752-34.99.6.i386.rpm
        !            76: #
        !            77: 
1.1       matthew    78: use strict;
                     79: use File::Copy;
                     80: 
                     81: my $result; 
                     82: my $test;
                     83: 
                     84: # note: The filehandle LOG is global.
                     85: open LOG,">/tmp/loncapa_install.log" || die "Unable to open log file.\n";
                     86: 
                     87: # Some friendly subroutines
                     88: sub die_if_nonempty {
                     89:     my ($string,$error)=@_;
                     90:     return if (! defined($error));
                     91:     chomp($string);chomp($error);
                     92:     if ($string ne '') {
                     93:         print_and_log("$error\nHalting.\n");
                     94:         die;
                     95:     }
                     96: }
                     97: 
                     98: sub make_link_or_die {
                     99:     my ($source,$dest)=@_;
                    100:     &die_if_nonempty
                    101:         (`ln -fs $source $dest`,"Unable to link $source to $dest.");
                    102:     print LOG "Link from $source to $dest made successfully\n";
                    103: }
                    104: 
                    105: sub writelog {
                    106:     while ($_ = shift) {
                    107:         chomp;
                    108:         print LOG "$_\n";
                    109:     }
                    110: }
                    111: 
                    112: sub print_and_log {
                    113:     while ($_=shift) {
                    114:         chomp;
                    115:         print "$_\n";
                    116:         print LOG "$_\n";
                    117:     }
                    118: }
                    119: 
                    120: ##
                    121: ## First, make sure it's a red hat system.
                    122: ##
                    123: if (! -e "/etc/redhat-release") {
                    124:     print_and_log(<<"END");
                    125: *********************************************************************
                    126: 
                    127: This does not a appear to be a Red-Hat system.  More than likely the 
                    128: installation will not be successful!  Press control-c to abort now, 
                    129: otherwise press enter to forge ahead and damn the torpedos.
                    130: 
                    131: *********************************************************************
                    132: END
                    133:     undef = <STDIN>;
                    134: }
                    135: 
                    136: 
                    137: 
                    138: #
                    139: # The installation work begins now...
                    140: #
                    141: 
                    142: print <<"END";
                    143: ********************************************************************
                    144: 
                    145:                         Welcome to LON-CAPA
                    146: 
                    147: This script will install the base software that LON-CAPA needs to
                    148: run properly. 
                    149: 
                    150: ********************************************************************
                    151: END
                    152: 
                    153: ##
                    154: ## Install needed RPMS
                    155: ##
                    156: my $instdir = `pwd`;
                    157: chomp($instdir);
                    158: # 
                    159: # This list of rpms needs to be pared down to some extent.
                    160: #
                    161: 
                    162: my @gnuplot_rpms = (
                    163:              "$instdir/gnuplot-3.7.1-5.i386.rpm",
                    164:              "$instdir/libgd-1.3-4.i386.rpm",
                    165:              "$instdir/libungif-progs-4.1.0-9.i386.rpm",
                    166:              "$instdir/ncurses4-5.0-5.i386.rpm",
                    167:              "$instdir/readline-2.2.1-6.i386.rpm",
                    168:              "$instdir/readline-4.2a-4.i386.rpm"
                    169:                     );
                    170: my @perl_rpms = ( 
                    171:              "$instdir/perl-DBD-MySQL-1.2216-4.i386.rpm",
                    172:              "$instdir/perl-DBI-1.21-1.i386.rpm",
                    173:              "$instdir/mod_perl-1.26-5.i386.rpm",
                    174:              "$instdir/perl-suidperl-5.6.1-34.99.6.i386.rpm",
                    175:                  );
                    176: my @loncapa_perl_rpms = (
                    177:              "$instdir/LON-CAPA-systemperl-3.4-rh72.i386.rpm"
                    178:                     );
                    179: my @mysql_rpms = (
                    180:              "$instdir/mysql-3.23.49-3.i386.rpm",          # okay w/o f,nd
                    181:              "$instdir/mysqlclient9-3.23.22-6.i386.rpm",   # okay w/o f,nd
                    182:              "$instdir/mysql-server-3.23.49-3.i386.rpm",   # okay w/o f,nd
                    183:                   );
                    184: my @misc_rpms = (
                    185:              "$instdir/hwcrypto-1.0-3.i386.rpm",           # already installed
                    186:              "$instdir/m2crypto-0.05_snap4-2.i386.rpm",    # okay w/o f,nd
                    187:              "$instdir/netatalk-1.5pre6-1rh7.i386.rpm"     # hmmmm
                    188:              );
                    189: ##
                    190: ## Okay, I have tried being nice about this and not doing '--force --nodeps',
                    191: ## but it is an exercise in frustration.  It would be nice to be kind, but
                    192: ## frankly I do not want to spend the time to figure this out.
                    193: ##
                    194: print_and_log("Installing mysql packages.\n");
                    195: writelog (`rpm -ivh --force --nodeps @mysql_rpms`);
                    196: print_and_log("Installing gnuplot packages.\n");
                    197: writelog (`rpm -ivh --force --nodeps @gnuplot_rpms`);
                    198: print_and_log("Installing LON-CAPA Perl packages.\n");
                    199: writelog (`rpm -ivh --force --nodeps @loncapa_perl_rpms`);
                    200: print_and_log("Installing Perl packages.\n");
                    201: writelog (`rpm -ivh --force --nodeps @perl_rpms`);
                    202: print_and_log("Installing misc packages.\n");
                    203: writelog (`rpm -ivh --force --nodeps @misc_rpms`);
                    204: system("/etc/init.d/sshd start");
                    205: print_and_log("\n");
                    206: 
                    207: ##
                    208: ## Fix that stupid little sendmail bug
                    209: ##
                    210: print_and_log("changing permissions on root directory.\n");
                    211: $result = `chmod g-w,u+w /`;
                    212: if ($result eq '') {
                    213:     $result = "successful\n";
                    214: } else {
                    215:     die "Unable to change permissions on root directory.  Halting.\n";
                    216: }
                    217: writelog ($result);
                    218: print_and_log("\n");
                    219: 
                    220: ##
                    221: ## Set up www and authentication
                    222: ##
                    223: print_and_log("Creating user 'www'\n");
                    224: $result = `/usr/sbin/useradd www`;
                    225: if (! (($result eq '') || ($result =~ /user www exists/))) {
                    226:     die "Unable to add user www.  Halting.\n";
                    227: }
                    228: writelog ($result);
                    229: my $num = `grep ^www /etc/passwd | cut -d':' -f3`;
                    230: chomp $num;
                    231: if (int($num) == $num) {
                    232:     writelog ("uid of www = $num\n");
                    233: } else {
                    234:     die "Unable to determine UID of user www\n  Halting.\n";
                    235: }
                    236: print_and_log("\n");
                    237: 
                    238: ##
                    239: ## Patch mod_auth_external
                    240: ##
                    241: print_and_log("Setting up authentication for 'www'\n");
                    242: my $patch = <<"ENDPATCH";
                    243: 148c148
                    244: < #define SERVER_UIDS 99		/* user "nobody" */
                    245: ---
                    246: > #define SERVER_UIDS $num		/* user "www" */
                    247: ENDPATCH
                    248: 
                    249: if (! -e "/usr/bin/patch") {
                    250:     print_and_log("You must install the software development tools package ".
                    251:                   "when installing RedHat.\n");
                    252:     die;
                    253: }
                    254: &die_if_nonempty(`cd /tmp; tar zxf $instdir/mod_auth_external-2.1.13.tar.gz`,
                    255:                  "Unable to extract mod_auth_external\n");
                    256: my $dir = "/tmp/mod_auth_external-2.1.13/pwauth";
                    257: open PATCH, "| patch $dir/config.h" || 
                    258:     die "Unable to start patch for mod_auth_external.  Halting\n";
                    259: print PATCH $patch;
                    260: close PATCH;
                    261: print_and_log("\n");
                    262: 
                    263: ##
                    264: ## Compile patched pwauth
                    265: ##
                    266: print_and_log("Compiling pwauth\n");
                    267: $result = `cd $dir/; make`;
                    268: my $expected = <<"END";
                    269: gcc -g    -c -o pwauth.o pwauth.c
                    270: gcc -o pwauth -g  pwauth.o -lcrypt
                    271: END
                    272: 
                    273: if ($result ne $expected) {
                    274:     die "Unable to compile patched pwauth.  Halting.\n";
                    275: }    
                    276: print_and_log( $result );
                    277: 
                    278: ##
                    279: ## Install patched pwauth
                    280: ##
                    281: print_and_log("Copying pwauth to /usr/local/sbin\n");
                    282: if (! copy "$dir/pwauth","/usr/local/sbin/pwauth") {
                    283:     die "Unable to copy $dir/pwauth to /usr/local/sbin/pwauth.\n$!\nHalting\n";
                    284: }
                    285: if (! chmod (06755, "/usr/local/sbin/pwauth")) {
                    286:     die "Unable to set permissions on /usr/local/sbin/pwauth.\n";
                    287: }
                    288: print_and_log("\n");
                    289: 
                    290: ##
                    291: ## Set up mysql
                    292: ##
                    293: print_and_log("Setting mysqld to start on boot up.\n");
                    294: 
                    295: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc0.d/K90mysqld");
                    296: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc1.d/K90mysqld");
                    297: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc2.d/S90mysqld");
                    298: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc3.d/S90mysqld");
                    299: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc4.d/S90mysqld");
                    300: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc5.d/S90mysqld");
                    301: make_link_or_die("/etc/rc.d/init.d/mysqld","/etc/rc.d/rc6.d/K90mysqld");
                    302: 
                    303: writelog("mysql links created successfully\n");
                    304: writelog(`/etc/rc.d/init.d/mysqld start`);
                    305: print_and_log("Waiting for mysql daemon to start.\n");
                    306: sleep 5;
                    307: if (`/etc/rc.d/init.d/mysqld status` !~ / is running/) {
                    308:     die "Unable to start mysql daemon\nHalting\n";
                    309: }
                    310: print_and_log("\n");
                    311: 
                    312: ##
                    313: ## Get root password for mysql client
                    314: ##
                    315: print <<END;
                    316: Please enter a root password for the mysql database.
                    317: It does not have to match your root account password, but you will need
                    318: to remember it.
                    319: END
                    320: my $rootpass = <>;
                    321: chomp $rootpass;
                    322: print_and_log("\n");
                    323: 
                    324: ##
                    325: ## Run the damn thing (mysql, not LON-CAPA)
                    326: ##
                    327: print_and_log("Starting mysql client.\n");
                    328: open MYSQL, "|mysql -u root mysql" || die "Unable to start mysql\n";
                    329: print MYSQL <<"ENDMYSQL";
                    330: CREATE DATABASE loncapa;
                    331: INSERT INTO user (Host, User, Password)
                    332: VALUES ('localhost','www',password('localhostkey'));
                    333: GRANT ALL PRIVILEGES ON *.* TO www\@localhost;
                    334: SET PASSWORD FOR root\@localhost=PASSWORD('$rootpass');
                    335: DELETE FROM user WHERE host<>'localhost';
                    336: FLUSH PRIVILEGES;
                    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: close MYSQL;
                    343: print_and_log("\n");
                    344: 
                    345: ##
                    346: ## Kill the firewall, if it exists
                    347: ##
                    348: #
                    349: # A better method would be to modify the firewall rules to make
                    350: # the lond port open.  Someday.
                    351: #
                    352: if (-e "/etc/init.d/iptables" || -e "/etc/init.d/ipchans") {
                    353:     print_and_log("Stopping and removing your firewall\n");
                    354:     my @tokill = ("/etc/rc.d/rc2.d/S08ipchains",
                    355:                   "/etc/rc.d/rc2.d/S08iptables",
                    356:                   "/etc/rc.d/rc3.d/S08ipchains",
                    357:                   "/etc/rc.d/rc3.d/S08iptables",
                    358:                   "/etc/rc.d/rc4.d/S08ipchains",
                    359:                   "/etc/rc.d/rc4.d/S08iptables",
                    360:                   "/etc/rc.d/rc5.d/S08ipchains",
                    361:                   "/etc/rc.d/rc5.d/S08iptables" );
                    362:     foreach (@tokill) {
                    363:         unlink $_ if (-e $_ );
                    364:     }
                    365:     writelog(`/etc/init.d/ipchains stop`);
                    366:     writelog(`/etc/init.d/ipchains stop`);
                    367:     print_and_log("\n");
                    368: }
                    369: 
                    370: ##
                    371: ## Set up httpd 
                    372: ##
                    373: print_and_log("Setting httpd to start on boot up.\n");
                    374: 
                    375: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc0.d/K15httpd");
                    376: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc1.d/K15httpd");
                    377: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc2.d/K15httpd");
                    378: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc3.d/S85httpd");
                    379: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc4.d/K15httpd");
                    380: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc5.d/K15httpd");
                    381: make_link_or_die("/etc/rc.d/init.d/httpd","/etc/rc.d/rc6.d/K15httpd");
                    382: 
                    383: ##
                    384: ## Copy our (probably lousy) httpd.conf to its rightful place
                    385: ##
                    386: print_and_log("Copying our httpd.conf to /etc/httpd/conf/httpd.conf\n");
                    387: copy "$instdir/httpd.conf","/etc/httpd/conf/httpd.conf";
                    388: chmod 0444,"/etc/httpd/conf/httpd.conf";
                    389: print_and_log("\n");
                    390: 
                    391: ##
                    392: ## Retrieve loncapa.tar.gz
                    393: ##
                    394: if (! -e "$instdir/loncapa.tar.gz") {
                    395:     print_and_log("Retrieving LON-CAPA source files from install.loncapa.org\n");
                    396:     system("wget http://install.loncapa.org/versions/current/loncapa.tar.gz 2>/dev/null 1>/dev/null");
                    397:     if (! -e "./loncapa.tar.gz") {
                    398:         die("Unable to retrieve LON-CAPA source files from\n".
                    399:             "http://install.loncapa.org/versions/current/loncapa.tar.gz\n");
                    400:     }
                    401:     print_and_log("\n");
                    402: } else {
                    403:     print_and_log(<<"END");
                    404: ------------------------------------------------------------------------
                    405: 
                    406: You seem to have a version of loncapa.tar.gz in $instdir.  
                    407: This copy will be used and a new version will NOT be downloaded.  
                    408: If you wish, you may download a new version by executing:
                    409: 
                    410: wget http://install.loncapa.org/versions/current/loncapa.tar.gz
                    411: 
                    412: ------------------------------------------------------------------------
                    413: END
                    414: }
                    415: 
                    416: ##
                    417: ## untar loncapa.tar.gz
                    418: ##
                    419: print_and_log("Extracting LON-CAPA source files\n");
                    420: writelog(`cd ~root; tar zxf $instdir/loncapa.tar.gz`);
                    421: print_and_log("\n");
                    422: 
                    423: my $version = `cat /etc/redhat-release`;
                    424: if ($version =~ /7\.2/) {
                    425:     print_and_log(<<"END");
                    426: This appears to be a Red Hat 7.2 system.  You need to execute the following
                    427: commands now:
                    428: rpm -Uvh perl-5.6.1-34.99.6.i386.rpm
                    429: rpm -Uvh perl-CGI-2.752-34.99.6.i386.rpm
                    430: 
                    431: cd /root/loncapa
                    432: ./UPDATE
                    433: 
                    434: END
                    435: } else {
                    436:     ##
                    437:     ## Assure them that everything worked okay....
                    438:     ##
                    439:     print <<"ENDMSG";
                    440: All of the extra files seem to have been installed correctly.  It remains for 
                    441: you to execute the following commands:
                    442: 
                    443: cd /root/loncapa;
                    444: ./UPDATE
                    445: 
                    446: If you have any trouble, please see http://install.loncapa.org and 
                    447: http://help.loncapa.org.  
                    448: ENDMSG
                    449: }
                    450: 
                    451: close LOG;

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