1 | # This document is a how-to for installing a Fedora scripts.mit.edu server. |
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2 | |
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3 | set -e -x |
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4 | |
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5 | # Some commands should be run as the scripts-build user, not root. |
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6 | |
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7 | alias asbuild="sudo -u scripts-build" |
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8 | |
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9 | # Old versions of this install document advised setting |
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10 | # NSS_NONLOCAL_IGNORE=1 anytime you're setting up anything, e.g. using |
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11 | # yum, warning that useradd will query LDAP in a stupid way that makes |
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12 | # it hang forever. As of Fedora 13, this does not seem to be a problem, |
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13 | # so it's been removed from the instructions. If an install is hanging, |
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14 | # though, try adding NSS_NONLOCAL_IGNORE. |
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15 | |
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16 | [ -e /scripts-boot-count ] || echo 0 > /scripts-boot-count |
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17 | |
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18 | # This is actually just "pick an active scripts server". It can't be |
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19 | # scripts.mit.edu because our networking config points that domain |
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20 | # at localhost, and if our server is not setup at that point things |
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21 | # will break. |
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22 | source_server="cats-whiskers.mit.edu" |
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23 | |
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24 | boot=${1:$(cat /scripts-boot-count)} |
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25 | |
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26 | # XXX: let 'branch' be the current svn branch you are on. You want to |
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27 | # use trunk if your just installing a new server, and branches/fcXX-dev |
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28 | # if your preparing a server on a new Fedora release. |
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29 | |
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30 | doreboot() { |
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31 | echo $(( $boot + 1 )) > /scripts-boot-count; |
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32 | shutdown -r now "Rebooting for step $(cat /scripts-boot-count)" |
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33 | } |
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34 | |
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35 | # Helper files for the install are located in server/fedora/config. |
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36 | |
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37 | # Start with a minimal install of Fedora. |
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38 | |
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39 | # Take updates |
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40 | yum update |
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41 | |
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42 | if [ $boot = 0 ]; then |
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43 | |
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44 | echo "--disabled" > /etc/sysconfig/system-config-firewall |
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45 | |
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46 | # Turn on network, so we can connect at boot |
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47 | chkconfig network on |
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48 | |
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49 | # Edit /etc/selinux/config so it has SELINUX=disabled and reboot. |
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50 | sed -i 's/^SELINUX=.*/SELINUX=disabled/' /etc/selinux/config |
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51 | doreboot |
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52 | fi |
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53 | |
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54 | if [ $boot = 1 ]; then |
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55 | # Create a scripts-build user account, and set up rpm to build in |
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56 | # $HOME by doing a |
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57 | # cp config/home/scripts-build/.rpmmacros /home/scripts-build/ |
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58 | # (If you just use the default setup, it will generate packages |
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59 | # in /usr/src/redhat.) |
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60 | adduser scripts-build |
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61 | |
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62 | # Check out the scripts.mit.edu svn repository. Configure svn not to cache |
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63 | # credentials. |
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64 | |
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65 | yum install -y subversion |
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66 | |
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67 | cd /srv |
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68 | # We must use an explicit source_server while setting up the Scripts |
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69 | # server, because once we load the Scripts /etc configuration, |
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70 | # scripts.mit.edu will start resolving to localhost and |
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71 | # updates/commits will stop working. This will be switched to |
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72 | # scripts.mit.edu at the end of the install process. |
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73 | svn co svn://$source_server/$branch repository |
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74 | |
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75 | sed -i 's/^\(# *\)?store-passwords.*/store-passwords = no/' /root/.subversion/config |
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76 | sed -i 's/^\(# *\)?store-auth-creds.*/store-auth-creds = no/' /root/.subversion/config |
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77 | |
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78 | chown -R scripts-build /srv/repository |
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79 | |
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80 | asbuild svn up # generate the config file |
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81 | asbuild sed -i 's/^\(# *\)?store-passwords.*/store-passwords = no/' /home/scripts-build/.subversion/config |
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82 | asbuild sed -i 's/^\(# *\)?store-auth-creds.*/store-auth-creds = no/' /home/scripts-build/.subversion/config |
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83 | |
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84 | # cd to server/fedora in the svn repository. |
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85 | cd /srv/repository/server/fedora |
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86 | |
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87 | # Run "make install-deps" to install various prereqs. Nonstandard |
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88 | # deps are in /mit/scripts/rpm. |
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89 | yum install -y make |
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90 | make install-deps |
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91 | # You should pay close attention to the output of this command, and |
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92 | # note if packages you think should exist don't exist anymore. |
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93 | |
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94 | # Get some packages necessary for OpenAFS |
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95 | yum install -y redhat-lsb |
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96 | yum install -y autofs |
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97 | |
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98 | # Copy over root's dotfiles from one of the other machines. |
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99 | # Perhaps a useful change is to remove the default aliases |
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100 | cd /root |
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101 | ls -l .bashrc |
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102 | ls -l .ldapvirc |
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103 | ls -l .screenrc |
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104 | ls -l .ssh |
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105 | ls -l .vimrc |
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106 | # Trying to scp from server to server won't work, as scp |
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107 | # will attempt to negotiate a server-to-server connection. |
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108 | # Instead, scp to your trusted machine as a temporary file, |
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109 | # and then push to the other server |
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110 | |
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111 | # Add scripts-build to the group 'mock' |
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112 | usermod -a -G mock scripts-build |
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113 | |
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114 | # Install bind |
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115 | yum install -y bind |
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116 | |
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117 | # Check out the scripts /etc configuration |
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118 | cd /root |
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119 | svn co svn://$source_server/$branch/server/fedora/config/etc etc |
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120 | # backslash to make us not use the alias |
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121 | \cp -a etc / |
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122 | |
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123 | # NOTE: You will have just lost DNS resolution and the ability |
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124 | # to do password SSH in. If you managed to botch this step without |
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125 | # having named setup, you can do a quick fix by frobbing /etc/resolv.conf |
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126 | # with a non 127.0.0.1 address for the DNS server. Be sure to revert it once |
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127 | # you have named. |
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128 | |
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129 | # You can get password SSH back by editing /etc/ssh/sshd_config (allow |
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130 | # password auth) and /etc/pam.d/sshd (comment out the first three auth |
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131 | # lines). However, you can also temporarily install krb5 and setup the |
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132 | # keytabs and k5login to get Kerberized authentication. |
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133 | |
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134 | service named start |
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135 | chkconfig named on |
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136 | |
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137 | # This is the point at which you should start updating scriptsified |
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138 | # packages for a new Fedora release. Consult 'upgrade-tips' for more |
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139 | # information. |
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140 | |
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141 | yum install -y scripts-base |
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142 | |
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143 | # Reload the iptables config to take down the restrictive firewall |
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144 | service iptables restart |
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145 | |
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146 | # Check that fs sysname is correct. You should see, among others, |
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147 | # 'amd64_fedoraX_scripts' (vary X) and 'scripts'. If it's not, you |
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148 | # probably did a distro upgrade and should update /etc/sysconfig/openafs. |
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149 | fs sysname |
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150 | |
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151 | # Replace rsyslog with syslog-ng by doing: |
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152 | rpm -e --nodeps rsyslog |
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153 | yum install -y syslog-ng |
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154 | chkconfig syslog-ng on |
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155 | |
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156 | # Install various dependencies of the scripts system, including |
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157 | # glibc-devel.i586 (ezyang: already installed for me), |
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158 | # python-twisted-core (ditto), mod_fcgid, nrpe, nagios-plugins-all. |
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159 | yum install -y mod_fcgid |
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160 | yum install -y nrpe |
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161 | yum install -y nagios-plugins-all |
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162 | yum install -y fprintd-pam |
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163 | |
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164 | # Fix the openafs /usr/vice/etc <-> /etc/openafs mapping. |
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165 | echo "/afs:/usr/vice/cache:10000000" > /usr/vice/etc/cacheinfo |
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166 | echo "athena.mit.edu" > /usr/vice/etc/ThisCell |
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167 | |
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168 | # [TEST SERVER] If you're installing a test server, this needs to be |
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169 | # much smaller; the max filesize on XVM is 10GB. Pick something like |
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170 | # 500000. Also, some of the AFS parameters are kind of retarded (and if |
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171 | # you're low on disk space, will actually exhaust our inodes). Edit |
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172 | # these parameters in /etc/sysconfig/openafs |
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173 | |
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174 | # Test that zephyr is working |
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175 | chkconfig zhm on |
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176 | service zhm start |
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177 | echo 'Test!' | zwrite -d -c scripts -i test |
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178 | |
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179 | # Install the full list of RPMs that users expect to be on the |
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180 | # scripts.mit.edu servers. |
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181 | rpm -qa --queryformat "%{Name}.%{Arch}\n" | sort > packages.txt |
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182 | # arrange for packages.txt to be passed to the server, then run: |
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183 | # --skip-broken will (usually) prevent you from having to sit through |
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184 | # several minutes of dependency resolution until it decides that |
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185 | # it can't install /one/ package. |
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186 | cat packages.txt | xargs yum install -y --skip-broken |
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187 | |
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188 | # Check which packages are installed on your new server that are not |
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189 | # in the snapshot, and remove ones that aren't needed for some reason |
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190 | # on the new machine. Otherwise, aside from bloat, you may end up |
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191 | # with undesirable things for security, like sendmail. |
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192 | rpm -qa --queryformat "%{Name}.%{Arch}\n" | grep -v kernel | sort > newpackages.txt |
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193 | diff -u packages.txt newpackages.txt | grep -v kernel | less |
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194 | # here's a cute script that removes all extra packages |
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195 | diff -u packages.txt newpackages.txt | grep -v kernel | grep '+' | cut -c2- | grep -v "@" | grep -v "++" | xargs yum erase -y |
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196 | |
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197 | # We need an upstream version of cgi which we've packaged ourselves, but |
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198 | # it doesn't work with the haskell-platform package which expects |
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199 | # explicit versions. So temporarily rpm -e the package, and then |
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200 | # install it again after you install haskell-platform. [Note: You |
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201 | # probably won't need this in Fedora 15 or something, when the Haskell |
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202 | # Platform gets updated.] |
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203 | rpm -e ghc-cgi-devel ghc-cgi |
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204 | yum install haskell-platform |
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205 | yumdownloader ghc-cgi |
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206 | yumdownloader ghc-cgi-devel |
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207 | rpm -i ghc-cgi*.rpm |
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208 | rpm -i ghc-cgi-devel*.rpm |
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209 | |
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210 | # Check out the scripts /usr/vice/etc configuration |
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211 | cd /root |
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212 | mkdir vice |
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213 | cd vice |
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214 | svn co svn://scripts.mit.edu/$branch/server/fedora/config/usr/vice/etc etc |
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215 | \cp -a etc /usr/vice |
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216 | |
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217 | # Install the full list of perl modules that users expect to be on the |
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218 | # scripts.mit.edu servers. |
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219 | export PERL_MM_USE_DEFAULT=1 |
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220 | cpan # this is interactive, enter the next two lines |
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221 | o conf prerequisites_policy follow |
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222 | o conf commit |
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223 | # on a reference server |
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224 | perldoc -u perllocal | grep head2 | cut -f 3 -d '<' | cut -f 1 -d '|' | sort -u | perl -ne 'chomp; print "notest install $_\n" if system("rpm -q --whatprovides \"perl($_)\" >/dev/null 2>/dev/null")' > perl-packages.txt |
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225 | # arrange for perl-packages.txt to be transferred to server |
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226 | cat perl-packages.txt | perl -MCPAN -e shell |
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227 | |
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228 | # Install the Python eggs and Ruby gems and PEAR/PECL doohickeys that are on |
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229 | # the other scripts.mit.edu servers and do not have RPMs. |
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230 | # The general mode of operation will be to run the "list" command |
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231 | # on both servers, see what the differences are, check if those diffs |
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232 | # are packaged up as rpms, and install them (rpm if possible, native otherwise) |
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233 | # - Look at /usr/lib/python2.6/site-packages and |
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234 | # /usr/lib64/python2.6/site-packages for Python eggs and modules. |
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235 | # There will be a lot of gunk that was installed from packages; |
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236 | # easy-install.pth in /usr/lib/ will tell you what was easy_installed. |
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237 | # First use 'yum search' to see if the relevant package is now available |
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238 | # as an RPM, and install that if it is. If not, then use easy_install. |
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239 | # Pass -Z to easy_install to install them unzipped, as some zipped eggs |
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240 | # want to be able to write to ~/.python-eggs. (Also makes sourcediving |
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241 | # easier.) |
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242 | # - Look at `gem list` for Ruby gems. |
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243 | # Again, use 'yum search' and prefer RPMs, but failing that, 'gem install'. |
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244 | # ezyang: rspec-rails depends on rspec, and will override the Yum |
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245 | # package, so... don't use that RPM yet |
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246 | # - Look at `pear list` for Pear fruits (or whatever they're called). |
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247 | # Yet again, 'yum search' for RPMs before resorting to 'pear install'. Note |
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248 | # that for things in the beta repo, you'll need 'pear install package-beta'. |
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249 | # (you might get complaints about the php_scripts module; ignore them) |
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250 | # - Look at `pecl list` for PECL things. 'yum search', and if you must, |
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251 | # 'pecl install' needed items. If it doesn't work, try 'pear install |
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252 | # pecl/foo' or 'pecl install foo-beta' or those two combined. |
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253 | # Automating this... will require a lot of batonning between |
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254 | # the servers. Probably best way to do it is to write an actual |
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255 | # script. |
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256 | |
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257 | # Setup some Python config |
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258 | echo 'import site, os.path; site.addsitedir(os.path.expanduser("~/lib/python2.6/site-packages"))' > /usr/lib/python2.6/site-packages/00scripts-home.pth |
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259 | |
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260 | # Install the credentials. There are a lot of things to remember here. |
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261 | # Be sure to make sure the permissions match up (ls -l on an existing |
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262 | # server!). |
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263 | # o This will be different if you're setting up our build/update server. |
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264 | # o You probably installed the machine keytab long ago |
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265 | ls -l /etc/krb5.keytab |
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266 | # Use ktutil to combine the host/scripts.mit.edu and |
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267 | # host/scripts-vhosts.mit.edu keys with host/this-server.mit.edu in |
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268 | # the keytab. Do not use 'k5srvutil change' on the combined keytab |
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269 | # or you'll break the other servers. (real servers only). Be |
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270 | # careful about writing out the keytab: if you write it to an |
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271 | # existing file the keys will just get appended |
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272 | # o The daemon.scripts keytab |
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273 | ls -l /etc/daemon.keytab |
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274 | # o The SSL cert private key (real servers only) |
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275 | ls -l /etc/pki/tls/private/scripts.key |
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276 | # o The LDAP password for the signup process (real servers only) |
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277 | ls -l /etc/signup-ldap-pw |
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278 | # o The SQL password for the signup process (real servers only) (you |
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279 | # only need one, chown as sql user) |
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280 | ls -l /usr/local/etc/sql-mit-edu.cfg.php |
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281 | ls -l /etc/sql-mit-edu.cfg.php |
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282 | # o The whoisd password (real servers only) |
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283 | ls -l /etc/whoisd-password |
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284 | # o The LDAP keytab for this server, which will be used later (real |
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285 | # servers only). |
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286 | ls -l /etc/dirsrv/keytab |
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287 | # o Replace the ssh host keys with the ones common to all scripts servers (real servers only) |
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288 | ls -l /etc/ssh/*key* |
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289 | # o Make sure root's .k5login is correct |
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290 | cat /root/.k5login |
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291 | # o Make sure logview's .k5login is correct (real servers only) |
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292 | cat /home/logview/.k5login |
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293 | |
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294 | # [TEST SERVER] If you are setting up a test server, pay attention to |
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295 | # /etc/sysconfig/network-scripts and do not bind scripts' IP address. |
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296 | # You will also need to modify: |
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297 | # o /etc/ldap.conf |
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298 | # add: host scripts.mit.edu |
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299 | # o /etc/nss-ldapd.conf |
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300 | # replace: uri ***** |
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301 | # with: uri ldap://scripts.mit.edu/ |
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302 | # o /etc/openldap/ldap.conf |
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303 | # add: URI ldap://scripts.mit.edu/ |
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304 | # BASE dc=scripts,dc=mit,dc=edu |
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305 | # o /etc/httpd/conf.d/vhost_ldap.conf |
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306 | # replace: VhostLDAPUrl **** |
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307 | # with: VhostLDAPUrl "ldap://scripts.mit.edu/ou=VirtualHosts,dc=scripts,dc=mit,dc=edu" |
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308 | # o /etc/postfix/virtual-alias-{domains,maps}-ldap.cf |
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309 | # replace: server_host ***** |
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310 | # with: server_host = ldap://scripts.mit.edu |
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311 | # to use scripts.mit.edu instead of localhost. |
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312 | # XXX: someone should write sed scripts to do this |
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313 | |
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314 | # [TEST SERVER] If you are setting up a test server, afsagent's cronjob |
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315 | # will attempt to be renewing with the wrong credentials |
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316 | # (daemon.scripts). Change this: |
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317 | vim /home/afsagent/renew # replace all mentions of daemon.scripts.mit.edu |
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318 | |
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319 | # Install 389-ds-base and set up replication (see ./install-ldap). |
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320 | yum install 389-ds-base |
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321 | # [complicated procedure here] |
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322 | |
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323 | # Make the services dirsrv, nslcd, nscd, postfix, and httpd start at |
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324 | # boot. Run chkconfig to make sure the set of services to be run is |
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325 | # correct. |
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326 | chkconfig dirsrv on |
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327 | chkconfig nslcd on |
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328 | chkconfig nscd on |
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329 | chkconfig postfix on |
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330 | chkconfig httpd on |
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331 | |
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332 | # Postfix doesn't actually deliver mail; fix this |
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333 | cd /etc/postfix |
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334 | postmap virtual |
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335 | |
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336 | # Munin might not be monitoring packages that were installed after it |
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337 | munin-node-configure --suggest --shell | sh |
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338 | |
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339 | # Run fmtutil-sys --all, which does something that makes TeX work. |
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340 | # (Note: this errors on XeTeX which is ok.) |
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341 | fmtutil-sys --all |
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342 | |
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343 | # Ensure that PHP isn't broken: |
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344 | mkdir /tmp/sessions |
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345 | chmod 01777 /tmp/sessions |
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346 | |
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347 | # Ensure fcgid isn't broken (should be 755) |
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348 | ls -l /var/run/mod_fcgid |
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349 | |
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350 | # Fix etc by making sure none of our config files got overwritten |
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351 | cd /etc |
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352 | svn status -q |
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353 | # Some usual candidates for clobbering include nsswitch.conf and |
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354 | # sysconfig/openafs |
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355 | |
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356 | # ThisCell got clobbered, replace it with athena.mit.edu |
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357 | echo "athena.mit.edu" > /usr/vice/etc/ThisCell |
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358 | |
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359 | # Kill unnecessary services. (It's probably good form to look through |
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360 | # `chkconfig | grep on` manually) |
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361 | for i in avahi-daemon isdn nfslock pcscd rpcbind rpcgssd rpcidmapd; do |
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362 | chkconfig "$i" off |
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363 | done |
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364 | |
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365 | # Reboot the machine to restore a consistent state, in case you |
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366 | # changed anything. (Note: Starting kdump fails (this is ok)) |
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367 | |
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368 | # [OPTIONAL] Your machine's hostname is baked in at install time; |
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369 | # in the rare case you need to change it: it appears to be in: |
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370 | # o /etc/sysconfig/network |
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371 | # o your lvm thingies; probably don't need to edit |
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372 | |
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373 | # [TEST SERVER] More stuff for test servers |
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374 | # - You need a self-signed SSL cert. Generate with: |
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375 | openssl req -new -x509 -keyout /etc/pki/tls/private/scripts.key -out /etc/pki/tls/certs/scripts.cert -nodes |
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376 | # Also make /etc/pki/tls/certs/ca.pem match up |
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377 | # - Make (/etc/aliases) root mail go to /dev/null, so we don't spam people |
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378 | # - Edit /etc/httpd/conf.d/scripts-vhost-names.conf to have scripts-fX-test.xvm.mit.edu |
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379 | # be an accepted vhost name |
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380 | # - Look at the old test server and see what config changes are floating around |
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381 | |
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382 | # XXX: our SVN checkout should be updated to use scripts.mit.edu |
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383 | # (repository and etc) once serving actually works. |
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384 | cd /etc |
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385 | svn switch --relocate svn://$source_server/ svn://scripts.mit.edu/ |
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386 | cd /usr/vice/etc |
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387 | svn switch --relocate svn://$source_server/ svn://scripts.mit.edu/ |
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388 | cd /srv/repository |
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389 | asbuild svn switch --relocate svn://$source_server/ svn://scripts.mit.edu/ |
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390 | asbuild svn up # verify scripts.mit.edu works |
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