jenkins/arvados-sso-server-extras/arvados-sso-server.postinst

   1 #!/bin/bash
   2
   3 set -e
   4
   5 INSTALL_PATH=/var/www/arvados-sso
   6 RELEASE_PATH=$INSTALL_PATH/current
   7 SHARED_PATH=$INSTALL_PATH/shared
   8 CONFIG_PATH=/etc/arvados/sso
   9 PACKAGE_NAME=arvados-sso-server
  10 DOC_URL="http://doc.arvados.org/install/install-sso.html#configure"
  11
  12 DATABASE_READY=1
  13 APPLICATION_READY=1
  14
  15 if [ -s "$HOME/.rvm/scripts/rvm" ] || [ -s "/usr/local/rvm/scripts/rvm" ]; then
  16     COMMAND_PREFIX="/usr/local/rvm/bin/rvm-exec default"
  17 else
  18     COMMAND_PREFIX=
  19 fi
  20
  21 report_not_ready() {
  22     local ready_flag=$1; shift
  23     local config_file=$1; shift
  24     if [ "1" != "$ready_flag" ]; then cat >&2 <<EOF
  25
  26 PLEASE NOTE:
  27
  28 The $PACKAGE_NAME package was not configured completely because
  29 $config_file needs some tweaking.
  30 Please refer to the documentation at
  31 <$DOC_URL> for more details.
  32
  33 When $(basename "$config_file") has been modified,
  34 reconfigure or reinstall this package.
  35
  36 EOF
  37     fi
  38 }
  39
  40 configure_version() {
  41   WEB_SERVICE=${WEB_SERVICE:-$(service --status-all 2>/dev/null \
  42       | grep -Eo '\bnginx|httpd[^[:space:]]*' || true)}
  43   if [ -z "$WEB_SERVICE" ]; then
  44     cat >&2 <<EOF
  45
  46 Warning: web service (Nginx or Apache) not found.
  47
  48 To override, set the WEB_SERVICE environment variable to the name of the service
  49 hosting the Rails server. Alternativey, install nginx.
  50
  51 For Debian-based systems, then reconfigure this package with dpkg-reconfigure.
  52
  53 For RPM-based systems, then reinstall this package.
  54
  55 EOF
  56   elif [ "$WEB_SERVICE" != "$(echo "$WEB_SERVICE" | head -n 1)" ]; then
  57     WEB_SERVICE=$(echo "$WEB_SERVICE" | head -n 1)
  58     cat >&2 <<EOF
  59 Warning: multiple web services found. Choosing the first one ($WEB_SERVICE).
  60
  61 To override, set the WEB_SERVICE environment variable to the name of the service
  62 hosting the Rails server.
  63
  64 For Debian-based systems, then reconfigure this package with dpkg-reconfigure.
  65
  66 For RPM-based systems, then reinstall this package.
  67
  68 EOF
  69   fi
  70
  71   if [ -e /etc/redhat-release ]; then
  72       if [ "$WEB_SERVICE" = "nginx" ]; then
  73         WWW_OWNER=nginx:nginx
  74       else
  75         WWW_OWNER=apache:apache
  76       fi
  77   else
  78       # Assume we're on a Debian-based system for now.
  79       # Both Apache and Nginx run as www-data by default.
  80       WWW_OWNER=www-data:www-data
  81   fi
  82
  83   echo
  84   echo "Assumption: $WEB_SERVICE is configured to serve your SSO server URL from"
  85   echo "            $RELEASE_PATH"
  86   echo "Assumption: configuration files are in $CONFIG_PATH"
  87   echo "Assumption: $WEB_SERVICE and passenger run as $WWW_OWNER"
  88   echo
  89
  90   echo -n "Symlinking files from $CONFIG_PATH ..."
  91
  92   if [ ! -f $CONFIG_PATH/database.yml ]; then
  93     mkdir -p $CONFIG_PATH
  94     cp $RELEASE_PATH/config/database.yml.example $CONFIG_PATH/database.yml
  95     DATABASE_READY=0
  96   fi
  97
  98   if [ ! -h $RELEASE_PATH/config/database.yml ]; then
  99     ln -s $CONFIG_PATH/database.yml $RELEASE_PATH/config/database.yml
 100   fi
 101
 102   if [ ! -f $CONFIG_PATH/production.rb ]; then
 103     mkdir -p $CONFIG_PATH
 104     cp $RELEASE_PATH/config/environments/production.rb.example $CONFIG_PATH/production.rb
 105   fi
 106
 107   if [ ! -h $RELEASE_PATH/config/environments/production.rb ]; then
 108     ln -s $CONFIG_PATH/production.rb $RELEASE_PATH/config/environments/production.rb
 109   fi
 110
 111   if [ ! -f $CONFIG_PATH/application.yml ]; then
 112     mkdir -p $CONFIG_PATH
 113     cp $RELEASE_PATH/config/application.yml.example $CONFIG_PATH/application.yml
 114     APPLICATION_READY=0
 115   fi
 116
 117   if [ ! -h $RELEASE_PATH/config/application.yml ]; then
 118     ln -s $CONFIG_PATH/application.yml $RELEASE_PATH/config/application.yml
 119   fi
 120
 121   echo "... done."
 122
 123   # Before we do anything else, make sure some directories and files are in place
 124   if [ ! -e $SHARED_PATH/log ]; then mkdir -p $SHARED_PATH/log; fi
 125   if [ ! -e $RELEASE_PATH/tmp ]; then mkdir -p $RELEASE_PATH/tmp; fi
 126   if [ ! -e $RELEASE_PATH/log ]; then ln -s $SHARED_PATH/log $RELEASE_PATH/log; fi
 127   if [ ! -e $SHARED_PATH/log/production.log ]; then touch $SHARED_PATH/log/production.log; fi
 128
 129   cd "$RELEASE_PATH"
 130   export RAILS_ENV=production
 131
 132   echo "Making sure bundle is installed ..."
 133   set +e
 134   which bundle > /dev/null
 135   if [[ "$?" != "0" ]]; then
 136     $COMMAND_PREFIX gem install bundle
 137   fi
 138   set -e
 139   echo "... done."
 140
 141   echo -n "Running bundle install ..."
 142   $COMMAND_PREFIX bundle install --path $SHARED_PATH/vendor_bundle --quiet || exit $?
 143   echo "... done."
 144
 145   echo -n "Ensuring directory and file permissions ..."
 146   # Ensure correct ownership of a few files
 147   chown "$WWW_OWNER" $RELEASE_PATH/config/environment.rb
 148   chown "$WWW_OWNER" $RELEASE_PATH/config.ru
 149   chown "$WWW_OWNER" $RELEASE_PATH/config/database.yml
 150   chown "$WWW_OWNER" $RELEASE_PATH/Gemfile.lock
 151   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 152   chown -R "$WWW_OWNER" $SHARED_PATH/log
 153   chown "$WWW_OWNER" $RELEASE_PATH/db/schema.rb
 154   chmod 644 $SHARED_PATH/log/*
 155   echo "... done."
 156
 157   set +e
 158   DB_MIGRATE_STATUS=`$COMMAND_PREFIX bundle exec rake db:migrate:status 2>&1`
 159   DB_MIGRATE_STATUS_CODE=$?
 160   set -e
 161
 162   if echo $DB_MIGRATE_STATUS | grep 'Schema migrations table does not exist yet.' >/dev/null; then
 163     # The database exists, but the migrations table doesn't.
 164     echo -n "Setting up database ..."
 165     $COMMAND_PREFIX bundle exec rake db:schema:load db:seed || exit $?
 166     echo "... done."
 167   elif echo $DB_MIGRATE_STATUS | grep '^database: ' >/dev/null; then
 168     echo -n "Running db:migrate ..."
 169     $COMMAND_PREFIX bundle exec rake db:migrate || exit $?
 170     echo "... done."
 171   elif echo $DB_MIGRATE_STATUS | grep 'database .* does not exist' >/dev/null; then
 172     echo -n "Running db:setup ..."
 173     set +e
 174     $COMMAND_PREFIX bundle exec rake db:setup 2>/dev/null
 175     if [ "$?" = "0" ]; then
 176       echo "... done."
 177     else
 178       echo "... failed."
 179       echo "Warning: unable to set up database." >&2
 180       DATABASE_READY=0
 181     fi
 182     set -e
 183   else
 184     echo "Warning: Database is not ready to set up. Skipping database setup." >&2
 185     DATABASE_READY=0
 186   fi
 187
 188   echo -n "Precompiling assets ..."
 189   # precompile assets; thankfully this does not take long
 190   if [ "$APPLICATION_READY" = "1" ]; then
 191     set +e
 192     $COMMAND_PREFIX bundle exec rake assets:precompile -q -s 2>/dev/null
 193     if [ "$?" = "0" ]; then
 194       echo "... done."
 195     else
 196       echo "... failed."
 197       APPLICATION_READY=0
 198     fi
 199     set -e
 200   else
 201     echo "... skipped."
 202   fi
 203   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 204
 205   if [ ! -z "$WEB_SERVICE" ]; then
 206     echo -n "Restarting $WEB_SERVICE ..."
 207     service "$WEB_SERVICE" restart >/dev/null || exit $?
 208     echo "... done."
 209   fi
 210 }
 211
 212 if [ "$1" = configure ]; then
 213   # This is a debian-based system
 214   configure_version
 215 elif [ "$1" = "0" ] || [ "$1" = "1" ] || [ "$1" = "2" ]; then
 216   # This is an rpm-based system
 217   configure_version
 218 fi
 219
 220 report_not_ready "$DATABASE_READY" "$CONFIG_PATH/database.yml"
 221 report_not_ready "$APPLICATION_READY" "$CONFIG_PATH/application.yml"