plcrt.init

   1 #!/bin/bash
   2 #
   3 # priority: 850
   4 #
   5 # Manage settings for the RT installtion
   6 #
   7 # Stephen Soltesz <soltesz@cs.princeton.edu>
   8 # Copyright (C) 2008 The Trustees of Princeton University
   9 #
  10 # $Id$
  11 #
  12
  13 # Source function library and configuration
  14 . /etc/plc.d/functions
  15 . /etc/planetlab/plc_config
  16 local_config=/etc/planetlab/configs/site.xml
  17
  18 PLCRTPATH=/usr/share/plcrt
  19
  20 function gethostbyaddr ()
  21 {
  22     python -c 'import socket; import sys; print socket.gethostbyaddr(sys.argv[1])[0]' $1 2>/dev/null
  23 }
  24
  25
  26 # Be verbose
  27 set -x
  28
  29 # Default locations
  30 PGDATA=/var/lib/pgsql/data
  31 postgresql_conf=$PGDATA/postgresql.conf
  32 pghba_conf=$PGDATA/pg_hba.conf
  33
  34 # Export so that we do not have to specify -p to psql invocations
  35 export PGPORT=$PLC_DB_PORT
  36
  37
  38 RT3_DB_USER="rt3user"
  39 RT3_DB_NAME="rt3"
  40
  41 WROTE_PG_CONFIG=
  42
  43 if [ -z "$PLC_RT_IP" ] ; then
  44         PLC_RT_IP=$( gethostbyname $PLC_RT_HOST )
  45 fi
  46
  47 function check_rt_password ()
  48 {
  49     if [[ -z "$PLC_RT_DBPASSWORD" || "$PLC_RT_DBPASSWORD" = "None" ]] ; then
  50         # NOTE: this provides a simpler string than uuidgen
  51         PLC_RT_DBPASSWORD=$( uuidgen | md5sum - | awk '{print $1}' )
  52         plc-config --category=plc_rt --variable=dbpassword --value="$PLC_RT_DBPASSWORD" --save=$local_config $local_config
  53         service plc reload
  54                 CREATED="true"
  55     fi
  56 }
  57
  58 # NOTE: code duplicated from monitor.functions to allow package to be separate
  59 #               from it.
  60 function check_pg_hba ()
  61 {
  62         NAME=$1
  63         USER=$2
  64         #### SETUP ACCESS to this user and database
  65         mkdir -p $PGDATA/pg_hba.conf.d
  66         CONF=$PGDATA/pg_hba.conf.d/${NAME}.conf
  67         if [ ! -f $CONF ] ; then
  68                 echo "host $NAME $USER 127.0.0.1/32 password"   > $CONF
  69                 echo "host $NAME $USER $PLC_RT_IP/32 password" >> $CONF
  70
  71                 WROTE_PG_CONFIG="true"
  72         fi
  73 }
  74
  75 # TODO: make values re-configurable...  this may be an issue with RT's db, though.
  76 function update_config ()
  77 {
  78         pattern=$1
  79         with=$2
  80         file=$3
  81         sed -i -e "s/$pattern/$with/g" $file
  82 }
  83 function apply_template ()
  84 {
  85         TEMPLATE=$1
  86         DESTFILE=$2
  87
  88         tmp_file=$(mktemp)
  89         cp $TEMPLATE $tmp_file
  90         update_config PLC_RT_HOSTNAME $PLC_RT_HOST $tmp_file
  91         update_config PLC_RT_CC_ADDRESS $PLC_RT_CC_ADDRESS $tmp_file
  92
  93         update_config PLC_NAME "$PLC_NAME" $tmp_file
  94         update_config PLC_RT_HOSTNAME $PLC_RT_HOST $tmp_file
  95         update_config PLC_WWW_HOSTNAME $PLC_WWW_HOST $tmp_file
  96
  97         update_config RT_DB_NAME $RT3_DB_NAME $tmp_file
  98         update_config RT_DB_USER $RT3_DB_USER $tmp_file
  99         update_config RT_DB_PASSWORD $PLC_RT_DBPASSWORD $tmp_file
 100
 101         # setup initialdata
 102         update_config PLC_RT_HOSTNAME $PLC_RT_HOST $tmp_file
 103
 104         cp $tmp_file $DESTFILE
 105         rm -f $tmp_file
 106 }
 107
 108 function check_rt_templates ()
 109 {
 110         for f in $PLCRTPATH/conf.d/*.pl ; do
 111                 mkdir -p /etc/rt3/conf.d
 112                 if [ $f -nt /etc/rt3/conf.d/`basename $f` ] ; then
 113                         apply_template $f /etc/rt3/conf.d/`basename $f`
 114                 fi
 115         done
 116
 117         for f in $PLCRTPATH/setup.d/*.{pl,py,sh} ; do
 118                 mkdir -p /etc/rt3/setup.d
 119                 if [ $f -nt /etc/rt3/setup.d/`basename $f` ] ; then
 120                         apply_template $f /etc/rt3/setup.d/`basename $f`
 121                         chmod 751 /etc/rt3/setup.d/`basename $f`
 122                 fi
 123         done
 124
 125         # TODO: need a better approach for this.
 126         if [ -f /etc/httpd/conf.d/rt3.conf ] ; then
 127                 update_config PLC_RT_HOST $PLC_RT_HOST /etc/httpd/conf.d/rt3.conf
 128         fi
 129
 130         # if the templates are newer than the actual config, then replace them.
 131         if [ $PLCRTPATH/RT_SiteConfig.pm -nt /etc/rt3/RT_SiteConfig.pm ] ;
 132         then
 133                 # copy templates
 134                 apply_template $PLCRTPATH/RT_SiteConfig.pm /etc/rt3/RT_SiteConfig.pm
 135                 apply_template $PLCRTPATH/initialdata /etc/rt3/initialdata
 136                 chmod 644 /etc/rt3/RT_SiteConfig.pm
 137                 chmod 644 /etc/rt3/initialdata
 138         fi
 139 }
 140
 141 function check_rt_custom ()
 142 {
 143         rsync -qv -az $PLCRTPATH/local/html /usr/share/rt3
 144 }
 145
 146 function check_rt_pghba ()
 147 {
 148         NAME=$RT3_DB_NAME
 149         USER=$RT3_DB_USER
 150         CONF=$PGDATA/pg_hba.conf.d/${NAME}.conf
 151         PATTERN="host all postgres 127.0.0.1/32 trust"
 152         if ! grep -q "$PATTERN" $CONF ; then
 153                 #### SETUP ACCESS from postgres user to run init for the first time.
 154                 echo "$PATTERN" >> $CONF
 155                 WROTE_PG_CONFIG="true"
 156         fi
 157
 158         PATTERN="host all postgres $PLC_RT_IP/32 trust"
 159         if ! grep -q "$PATTERN" $CONF ; then
 160                 #### SETUP ACCESS from postgres user to run init for the first time.
 161                 echo "$PATTERN" >> $CONF
 162                 WROTE_PG_CONFIG="true"
 163         fi
 164
 165 }
 166
 167 function check_rt_aliases ()
 168 {
 169
 170         if ! grep -q "rt-mailgate --queue support" /etc/aliases ;
 171         then
 172                 sed -i -e "s/^support.*postmaster//g" /etc/aliases
 173                 sed -i -e "s/^security.*root//g" /etc/aliases
 174         cat <<EOF >> /etc/aliases
 175 # added by RT init scripts for default queues.
 176 support: "|/usr/sbin/rt-mailgate --queue support --action correspond --url http://$PLC_RT_HOST/rt3/"
 177 monitor: "|/usr/sbin/rt-mailgate --queue monitor --action correspond --url http://$PLC_RT_HOST/rt3/"
 178 security: "|/usr/sbin/rt-mailgate --queue security --action correspond --url http://$PLC_RT_HOST/rt3/"
 179 legal: "|/usr/sbin/rt-mailgate --queue legal --action correspond --url http://$PLC_RT_HOST/rt3/"
 180 EOF
 181                 /usr/bin/newaliases
 182         fi
 183
 184 }
 185
 186 function check_rt_init ()
 187 {
 188         if [ ! -f /etc/rt3/setup.finished ] ; then
 189                 /usr/sbin/rt-setup-database --action init --dba postgres
 190
 191                 for f in /etc/rt3/conf.d/*.pl ; do
 192                         /usr/sbin/rt-setup-database --action insert --dba postgres --datafile $f
 193                 done
 194
 195                 # run initial setup scripts (run only once, or for the first time)
 196                 if [ -d /etc/rt3/setup.d ] ; then
 197                         for f in /etc/rt3/setup.d/*.{pl,py,sh} ; do
 198                                 if [ -x $f ] ; then
 199                                         $f
 200                                 fi
 201                         done
 202                 fi
 203
 204                 touch /etc/rt3/setup.finished
 205
 206         fi
 207 }
 208
 209 check_rt_sendmail ()
 210 {
 211         tmp_sendmailmc=$(mktemp)
 212
 213         # if the templates is newer than the processed config, then update it
 214         if grep -q "Addr=127.0.0.1," /etc/mail/sendmail.mc  ;
 215         then
 216                 # copy templates
 217                 cp -f /etc/mail/sendmail.mc $tmp_sendmailmc
 218
 219                 # setup initialdata
 220                 update_config "Addr=127.0.0.1," "" $tmp_sendmailmc
 221
 222                 # copy to live configuration
 223                 cp -f $tmp_sendmailmc /etc/mail/sendmail.mc
 224                 rm -f $tmp_sendmailmc
 225
 226                 # edit /etc/mail/access to add local IP
 227                 if ! grep "$PLC_RT_IP" /etc/mail/access ; then
 228                         echo "$PLC_RT_IP                RELAY" >> /etc/mail/access
 229                         makemap hash /etc/mail/access.db < /etc/mail/access
 230                 fi
 231                 if [ !  -f /etc/smrsh/rt-mailgate ] ; then
 232                         ln -s /usr/sbin/rt-mailgate /etc/smrsh/rt-mailgate
 233                 fi
 234                 if ! grep "$PLC_RT_HOST" /etc/mail/local-host-names ; then
 235                         # edit /etc/mail/local-host-names
 236                         echo "$PLC_RT_HOST" >> /etc/mail/local-host-names
 237                         IP=$( gethostbyname $PLC_RT_HOST )
 238                         REVHOST=$( gethostbyaddr $IP )
 239                         if [ -n "$REVHOST" ] ; then
 240                             echo "$REVHOST" >> /etc/mail/local-host-names
 241                         fi
 242                 fi
 243                 m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf
 244                 service sendmail restart
 245         fi
 246
 247
 248 }
 249
 250 if [ "$PLC_RT_ENABLED" != "1" ] ; then
 251     exit 0
 252 fi
 253
 254 case "$1" in
 255         start)
 256                 MESSAGE=$"Bootstrap RT (please wait...)"
 257                 dialog "$MESSAGE"
 258
 259                 check_rt_password
 260                 check_pg_hba $RT3_DB_NAME $RT3_DB_USER
 261                 #check_user_and_db $RT3_DB_NAME $RT3_DB_USER
 262                 check_rt_templates
 263                 # TODO: make this dependent on whether a change was made!
 264                 service plc restart httpd
 265
 266                 check_rt_pghba
 267                 if [ -n "$WROTE_PG_CONFIG" ] ; then
 268                         # NOTE: restart db to enable access by users granted above.
 269                         service plc restart postgresql
 270                         MESSAGE=$"Bootstrap RT 2 (please wait...)"
 271                         dialog "$MESSAGE"
 272                 fi
 273                 check_rt_aliases
 274                 check_rt_init
 275                 check_rt_sendmail
 276                 check_rt_custom         # todo: restart httpd if needed.
 277
 278                 # NOTE: remove external permission
 279                 # This is needed to allow it to run without localhost
 280                 # TODO: find a better way to do this.
 281
 282                 # remove 'trust' entry from .conf file
 283                 sed -i -e "s/.*trust//g" $PGDATA/pg_hba.conf.d/${RT3_DB_NAME}.conf
 284                 if [ -n "$WROTE_PG_CONFIG" ] ; then
 285                         # NOTE: restart db to enable access by users granted above.
 286                         service plc restart postgresql
 287                         MESSAGE=$"Bootstrap RT 3 (please wait...)"
 288                         dialog "$MESSAGE"
 289                 fi
 290
 291                 result "$MESSAGE"
 292         ;;
 293
 294
 295         delete)
 296                 MESSAGE=$"Deleting databases..."
 297                 dialog "$MESSAGE"
 298
 299                 service plc stop httpd
 300
 301                 dropdb -U postgres $RT3_DB_NAME
 302                 dropuser -U postgres $RT3_DB_USER
 303                 rm -f /etc/rt3/RT_SiteConfig.pm
 304                 rm -f /etc/rt3/initialdata
 305                 rm -f /etc/rt3/conf.d/*.pl
 306                 rm -f $PGDATA/pg_hba.conf.d/${RT3_DB_NAME}.conf
 307
 308                 sed -i -e "s/.*mailgate.*//g" /etc/aliases
 309                 rm -f /etc/rt3/setup.finished
 310
 311                 sed -i -e "s/Port=smtp, Name=MTA/Port=smtp,Addr=127.0.0.1, Name=MTA/g" /etc/mail/sendmail.mc
 312                 service plc start httpd
 313
 314                 result "$MESSAGE"
 315         ;;
 316
 317         stop)
 318                 MESSAGE=$"Stopping RT"
 319                 dialog "$MESSAGE"
 320
 321                 # TODO: is there anything to stop?
 322
 323                 result "$MESSAGE"
 324         ;;
 325 esac
 326
 327 exit $ERRORS