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 report_web_service_warning() {
  41     local warning=$1; shift
  42     cat >&2 <<EOF
  43
  44 WARNING: $warning.
  45
  46 To override, set the WEB_SERVICE environment variable to the name of the service
  47 hosting the Rails server.
  48
  49 For Debian-based systems, then reconfigure this package with dpkg-reconfigure.
  50
  51 For RPM-based systems, then reinstall this package.
  52
  53 EOF
  54 }
  55
  56 configure_version() {
  57   WEB_SERVICE=${WEB_SERVICE:-$(service --status-all 2>/dev/null \
  58       | grep -Eo '\bnginx|httpd[^[:space:]]*' || true)}
  59   if [ -z "$WEB_SERVICE" ]; then
  60     report_web_service_warning "Web service (Nginx or Apache) not found"
  61   elif [ "$WEB_SERVICE" != "$(echo "$WEB_SERVICE" | head -n 1)" ]; then
  62     WEB_SERVICE=$(echo "$WEB_SERVICE" | head -n 1)
  63     report_web_service_warning \
  64         "Multiple web services found.  Choosing the first one ($WEB_SERVICE)"
  65   fi
  66
  67   if [ -e /etc/redhat-release ]; then
  68       # Recognize any service that starts with "nginx"; e.g., nginx16.
  69       if [ "$WEB_SERVICE" != "${WEB_SERVICE#nginx}" ]; then
  70         WWW_OWNER=nginx:nginx
  71       else
  72         WWW_OWNER=apache:apache
  73       fi
  74   else
  75       # Assume we're on a Debian-based system for now.
  76       # Both Apache and Nginx run as www-data by default.
  77       WWW_OWNER=www-data:www-data
  78   fi
  79
  80   echo
  81   echo "Assumption: $WEB_SERVICE is configured to serve your SSO server URL from"
  82   echo "            $RELEASE_PATH"
  83   echo "Assumption: configuration files are in $CONFIG_PATH"
  84   echo "Assumption: $WEB_SERVICE and passenger run as $WWW_OWNER"
  85   echo
  86
  87   echo -n "Symlinking files from $CONFIG_PATH ..."
  88
  89   if [ ! -f $CONFIG_PATH/database.yml ]; then
  90     mkdir -p $CONFIG_PATH
  91     cp $RELEASE_PATH/config/database.yml.example $CONFIG_PATH/database.yml
  92     DATABASE_READY=0
  93   fi
  94
  95   if [ ! -h $RELEASE_PATH/config/database.yml ]; then
  96     ln -s $CONFIG_PATH/database.yml $RELEASE_PATH/config/database.yml
  97   fi
  98
  99   if [ ! -f $CONFIG_PATH/production.rb ]; then
 100     mkdir -p $CONFIG_PATH
 101     cp $RELEASE_PATH/config/environments/production.rb.example $CONFIG_PATH/production.rb
 102   fi
 103
 104   if [ ! -h $RELEASE_PATH/config/environments/production.rb ]; then
 105     ln -s $CONFIG_PATH/production.rb $RELEASE_PATH/config/environments/production.rb
 106   fi
 107
 108   if [ ! -f $CONFIG_PATH/application.yml ]; then
 109     mkdir -p $CONFIG_PATH
 110     cp $RELEASE_PATH/config/application.yml.example $CONFIG_PATH/application.yml
 111     APPLICATION_READY=0
 112   fi
 113
 114   if [ ! -h $RELEASE_PATH/config/application.yml ]; then
 115     ln -s $CONFIG_PATH/application.yml $RELEASE_PATH/config/application.yml
 116   fi
 117
 118   echo "... done."
 119
 120   # Before we do anything else, make sure some directories and files are in place
 121   if [ ! -e $SHARED_PATH/log ]; then mkdir -p $SHARED_PATH/log; fi
 122   if [ ! -e $RELEASE_PATH/tmp ]; then mkdir -p $RELEASE_PATH/tmp; fi
 123   if [ ! -e $RELEASE_PATH/log ]; then ln -s $SHARED_PATH/log $RELEASE_PATH/log; fi
 124   if [ ! -e $SHARED_PATH/log/production.log ]; then touch $SHARED_PATH/log/production.log; fi
 125
 126   cd "$RELEASE_PATH"
 127   export RAILS_ENV=production
 128
 129   echo "Making sure bundle is installed ..."
 130   set +e
 131   which bundle > /dev/null
 132   if [[ "$?" != "0" ]]; then
 133     $COMMAND_PREFIX gem install bundle
 134   fi
 135   set -e
 136   echo "... done."
 137
 138   echo -n "Running bundle install ..."
 139   $COMMAND_PREFIX bundle install --path $SHARED_PATH/vendor_bundle --quiet || exit $?
 140   echo "... done."
 141
 142   echo -n "Ensuring directory and file permissions ..."
 143   # Ensure correct ownership of a few files
 144   chown "$WWW_OWNER" $RELEASE_PATH/config/environment.rb
 145   chown "$WWW_OWNER" $RELEASE_PATH/config.ru
 146   chown "$WWW_OWNER" $RELEASE_PATH/config/database.yml
 147   chown "$WWW_OWNER" $RELEASE_PATH/Gemfile.lock
 148   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 149   chown -R "$WWW_OWNER" $SHARED_PATH/log
 150   chown "$WWW_OWNER" $RELEASE_PATH/db/schema.rb
 151   chmod 644 $SHARED_PATH/log/*
 152   echo "... done."
 153
 154   set +e
 155   DB_MIGRATE_STATUS=`$COMMAND_PREFIX bundle exec rake db:migrate:status 2>&1`
 156   DB_MIGRATE_STATUS_CODE=$?
 157   set -e
 158
 159   if echo $DB_MIGRATE_STATUS | grep 'Schema migrations table does not exist yet.' >/dev/null; then
 160     # The database exists, but the migrations table doesn't.
 161     echo -n "Setting up database ..."
 162     $COMMAND_PREFIX bundle exec rake db:schema:load db:seed || exit $?
 163     echo "... done."
 164   elif echo $DB_MIGRATE_STATUS | grep '^database: ' >/dev/null; then
 165     echo -n "Running db:migrate ..."
 166     $COMMAND_PREFIX bundle exec rake db:migrate || exit $?
 167     echo "... done."
 168   elif echo $DB_MIGRATE_STATUS | grep 'database .* does not exist' >/dev/null; then
 169     echo -n "Running db:setup ..."
 170     set +e
 171     $COMMAND_PREFIX bundle exec rake db:setup 2>/dev/null
 172     if [ "$?" = "0" ]; then
 173       echo "... done."
 174     else
 175       echo "... failed."
 176       echo "Warning: unable to set up database." >&2
 177       DATABASE_READY=0
 178     fi
 179     set -e
 180   else
 181     echo "Warning: Database is not ready to set up. Skipping database setup." >&2
 182     DATABASE_READY=0
 183   fi
 184
 185   echo -n "Precompiling assets ..."
 186   # precompile assets; thankfully this does not take long
 187   if [ "$APPLICATION_READY" = "1" ]; then
 188     set +e
 189     $COMMAND_PREFIX bundle exec rake assets:precompile -q -s 2>/dev/null
 190     if [ "$?" = "0" ]; then
 191       echo "... done."
 192     else
 193       echo "... failed."
 194       APPLICATION_READY=0
 195     fi
 196     set -e
 197   else
 198     echo "... skipped."
 199   fi
 200   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 201
 202   if [ ! -z "$WEB_SERVICE" ]; then
 203     echo -n "Restarting $WEB_SERVICE ..."
 204     service "$WEB_SERVICE" restart >/dev/null || exit $?
 205     echo "... done."
 206   fi
 207 }
 208
 209 if [ "$1" = configure ]; then
 210   # This is a debian-based system
 211   configure_version
 212 elif [ "$1" = "0" ] || [ "$1" = "1" ] || [ "$1" = "2" ]; then
 213   # This is an rpm-based system
 214   configure_version
 215 fi
 216
 217 report_not_ready "$DATABASE_READY" "$CONFIG_PATH/database.yml"
 218 report_not_ready "$APPLICATION_READY" "$CONFIG_PATH/application.yml"