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
  11 DATABASE_READY=1
  12 APPLICATION_READY=1
  13
  14 setup_ruby_environment() {
  15   if [ -s "$HOME/.rvm/scripts/rvm" ] ; then
  16     using_rvm="true"
  17   elif [ -s "/usr/local/rvm/scripts/rvm" ] ; then
  18     using_rvm="true"
  19   else
  20     using_rvm="false"
  21   fi
  22
  23   if [ "$using_rvm" = "true" ]; then
  24     COMMAND_PREFIX="/usr/local/rvm/bin/rvm-exec default"
  25   else
  26     COMMAND_PREFIX=
  27   fi
  28 }
  29
  30 configure_version() {
  31   WEB_SERVICE=${WEB_SERVICE:-$(service --status-all 2>/dev/null \
  32       | grep -Eo '\bnginx|httpd[^[:space:]]*' || true)}
  33   if [ -z "$WEB_SERVICE" ]; then
  34     cat >&2 <<EOF
  35
  36 Warning: web service (Nginx or Apache) not found.
  37
  38 To override, set the WEB_SERVICE environment variable to the name of the service
  39 hosting the Rails server. Alternativey, install nginx.
  40
  41 For Debian-based systems, then reconfigure this package with dpkg-reconfigure.
  42
  43 For RPM-based systems, then reinstall this package.
  44
  45 EOF
  46   elif [ "$WEB_SERVICE" != "$(echo "$WEB_SERVICE" | head -n 1)" ]; then
  47     WEB_SERVICE=$(echo "$WEB_SERVICE" | head -n 1)
  48     cat >&2 <<EOF
  49 Warning: multiple web services found. Choosing the first one ($WEB_SERVICE).
  50
  51 To override, set the WEB_SERVICE environment variable to the name of the service
  52 hosting the Rails server.
  53
  54 For Debian-based systems, then reconfigure this package with dpkg-reconfigure.
  55
  56 For RPM-based systems, then reinstall this package.
  57
  58 EOF
  59   fi
  60
  61   if [ -e /etc/redhat-release ]; then
  62       if [ "$WEB_SERVICE" = "nginx" ]; then
  63         WWW_OWNER=nginx:nginx
  64       else
  65         WWW_OWNER=apache:apache
  66       fi
  67   else
  68       # Assume we're on a Debian-based system for now.
  69       # Both Apache and Nginx run as www-data by default.
  70       WWW_OWNER=www-data:www-data
  71   fi
  72
  73   echo
  74   echo "Assumption: $WEB_SERVICE is configured to serve your SSO server URL from"
  75   echo "            $RELEASE_PATH"
  76   echo "Assumption: configuration files are in $CONFIG_PATH"
  77   echo "Assumption: $WEB_SERVICE and passenger run as $WWW_OWNER"
  78   echo
  79
  80   echo -n "Symlinking files from $CONFIG_PATH ..."
  81
  82   if [ ! -f $CONFIG_PATH/database.yml ]; then
  83     mkdir -p $CONFIG_PATH
  84     cp $RELEASE_PATH/config/database.yml.example $CONFIG_PATH/database.yml
  85     DATABASE_READY=0
  86   fi
  87
  88   if [ ! -h $RELEASE_PATH/config/database.yml ]; then
  89     ln -s $CONFIG_PATH/database.yml $RELEASE_PATH/config/database.yml
  90   fi
  91
  92   if [ ! -f $CONFIG_PATH/production.rb ]; then
  93     mkdir -p $CONFIG_PATH
  94     cp $RELEASE_PATH/config/environments/production.rb.example $CONFIG_PATH/production.rb
  95   fi
  96
  97   if [ ! -h $RELEASE_PATH/config/environments/production.rb ]; then
  98     ln -s $CONFIG_PATH/production.rb $RELEASE_PATH/config/environments/production.rb
  99   fi
 100
 101   if [ ! -f $CONFIG_PATH/application.yml ]; then
 102     mkdir -p $CONFIG_PATH
 103     cp $RELEASE_PATH/config/application.yml.example $CONFIG_PATH/application.yml
 104     APPLICATION_READY=0
 105   fi
 106
 107   if [ ! -h $RELEASE_PATH/config/application.yml ]; then
 108     ln -s $CONFIG_PATH/application.yml $RELEASE_PATH/config/application.yml
 109   fi
 110
 111   echo "... done."
 112
 113   # Before we do anything else, make sure some directories and files are in place
 114   if [ ! -e $SHARED_PATH/log ]; then mkdir -p $SHARED_PATH/log; fi
 115   if [ ! -e $RELEASE_PATH/tmp ]; then mkdir -p $RELEASE_PATH/tmp; fi
 116   if [ ! -e $RELEASE_PATH/log ]; then ln -s $SHARED_PATH/log $RELEASE_PATH/log; fi
 117   if [ ! -e $SHARED_PATH/log/production.log ]; then touch $SHARED_PATH/log/production.log; fi
 118
 119   cd "$RELEASE_PATH"
 120   export RAILS_ENV=production
 121
 122   echo "Making sure bundle is installed ..."
 123   set +e
 124   which bundle > /dev/null
 125   if [[ "$?" != "0" ]]; then
 126     $COMMAND_PREFIX gem install bundle
 127   fi
 128   set -e
 129   echo "... done."
 130
 131   echo -n "Running bundle install ..."
 132   $COMMAND_PREFIX bundle install --path $SHARED_PATH/vendor_bundle --quiet || exit $?
 133   echo "... done."
 134
 135   echo -n "Ensuring directory and file permissions ..."
 136   # Ensure correct ownership of a few files
 137   chown "$WWW_OWNER" $RELEASE_PATH/config/environment.rb
 138   chown "$WWW_OWNER" $RELEASE_PATH/config.ru
 139   chown "$WWW_OWNER" $RELEASE_PATH/config/database.yml
 140   chown "$WWW_OWNER" $RELEASE_PATH/Gemfile.lock
 141   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 142   chown -R "$WWW_OWNER" $SHARED_PATH/log
 143   chown "$WWW_OWNER" $RELEASE_PATH/db/schema.rb
 144   chmod 644 $SHARED_PATH/log/*
 145   echo "... done."
 146
 147   set +e
 148   DB_MIGRATE_STATUS=`$COMMAND_PREFIX bundle exec rake db:migrate:status 2>&1`
 149   DB_MIGRATE_STATUS_CODE=$?
 150   set -e
 151
 152   if echo $DB_MIGRATE_STATUS | grep 'Schema migrations table does not exist yet.' >/dev/null; then
 153     # The database exists, but the migrations table doesn't.
 154     echo -n "Setting up database ..."
 155     $COMMAND_PREFIX bundle exec rake db:schema:load db:seed || exit $?
 156     echo "... done."
 157   elif echo $DB_MIGRATE_STATUS | grep '^database: ' >/dev/null; then
 158     echo -n "Running db:migrate ..."
 159     $COMMAND_PREFIX bundle exec rake db:migrate || exit $?
 160     echo "... done."
 161   elif echo $DB_MIGRATE_STATUS | grep 'database .* does not exist' >/dev/null; then
 162     echo -n "Running db:setup ..."
 163     set +e
 164     $COMMAND_PREFIX bundle exec rake db:setup 2>/dev/null
 165     if [ "$?" = "0" ]; then
 166       echo "... done."
 167     else
 168       echo "... failed."
 169       echo "Warning: unable to set up database." >&2
 170       DATABASE_READY=0
 171     fi
 172     set -e
 173   else
 174     echo "Warning: Database is not ready to set up. Skipping database setup." >&2
 175     DATABASE_READY=0
 176   fi
 177
 178   echo -n "Precompiling assets ..."
 179   # precompile assets; thankfully this does not take long
 180   if [ "$APPLICATION_READY" = "1" ]; then
 181     set +e
 182     $COMMAND_PREFIX bundle exec rake assets:precompile -q -s 2>/dev/null
 183     if [ "$?" = "0" ]; then
 184       echo "... done."
 185     else
 186       echo "... failed."
 187       APPLICATION_READY=0
 188     fi
 189     set -e
 190   else
 191     echo "... skipped."
 192   fi
 193   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 194
 195   if [ ! -z "$WEB_SERVICE" ]; then
 196     echo -n "Restarting $WEB_SERVICE ..."
 197     service "$WEB_SERVICE" restart >/dev/null || exit $?
 198     echo "... done."
 199   fi
 200 }
 201
 202 if [ "$1" = configure ]; then
 203   # This is a debian-based system
 204   setup_ruby_environment
 205   configure_version
 206 elif [ "$1" = "0" ] || [ "$1" = "1" ] || [ "$1" = "2" ]; then
 207   # This is an rpm-based system
 208   setup_ruby_environment
 209   configure_version
 210 fi
 211
 212 if [ "$DATABASE_READY" = "0" ]; then
 213   cat <<EOF
 214
 215 PLEASE NOTE:
 216
 217 The $PACKAGE_NAME package was not configured completely because
 218 $CONFIG_PATH/database.yml needs some tweaking. Please refer to the
 219 documentation at http://doc.arvados.org/install/install-sso.html#configure for
 220 more details.
 221
 222 When database.yml has been modified, reconfigure or reinstall this package.
 223 EOF
 224 fi
 225
 226 if [ "$APPLICATION_READY" = "0" ]; then
 227   cat <<EOF
 228
 229 PLEASE NOTE:
 230
 231 The $PACKAGE_NAME package was not configured completely because
 232 $CONFIG_PATH/application.yml needs some tweaking. Please refer to the
 233 documentation at http://doc.arvados.org/install/install-sso.html#configure for
 234 more details.
 235
 236 When application.yml has been modified, reconfigure or reinstall this package.
 237 EOF
 238 fi
 239
 240 echo