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

   1 #!/bin/sh
   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 VERSION=`cat $RELEASE_PATH/git-commit.version`
  15
  16 setup_ruby_environment() {
  17   if [ -s "$HOME/.rvm/scripts/rvm" ] ; then
  18     using_rvm="true"
  19   elif [ -s "/usr/local/rvm/scripts/rvm" ] ; then
  20     using_rvm="true"
  21   else
  22     using_rvm="false"
  23   fi
  24
  25   if [ "$using_rvm" = "true" ]; then
  26     COMMAND_PREFIX="/usr/local/rvm/bin/rvm-exec default"
  27   else
  28     COMMAND_PREFIX=
  29   fi
  30 }
  31
  32 # arguments: <major version> <most recently configured package version>
  33 configure_version() {
  34   VERSION="$1"
  35
  36   [ "$VERSION" ] || { echo "Error: configure_version: need version parameter" >&2; exit 1; }
  37
  38   WEB_SERVICE=${WEB_SERVICE:-$(service --status-all 2>/dev/null \
  39       | grep -Eo '\bnginx|httpd[^[:space:]]*' || true)}
  40   if [ -z "$WEB_SERVICE" ]; then
  41     cat >&2 <<EOF
  42
  43 Warning: web service (Nginx or Apache) not found.
  44
  45 To override, set the WEB_SERVICE environment variable to the name of the service
  46 hosting the Rails server. Alternativey, install nginx.
  47
  48 For Debian-based systems, then reconfigure this package with dpkg-reconfigure.
  49
  50 For RPM-based systems, then reinstall this package.
  51
  52 EOF
  53   elif [ "$WEB_SERVICE" != "$(echo "$WEB_SERVICE" | head -n 1)" ]; then
  54     WEB_SERVICE=$(echo "$WEB_SERVICE" | head -n 1)
  55     cat >&2 <<EOF
  56 Warning: multiple web services found. Choosing the first one ($WEB_SERVICE).
  57
  58 To override, set the WEB_SERVICE environment variable to the name of the service
  59 hosting the Rails server.
  60
  61 For Debian-based systems, then reconfigure this package with dpkg-reconfigure.
  62
  63 For RPM-based systems, then reinstall this package.
  64
  65 EOF
  66   fi
  67
  68   if [ -e /etc/redhat-release ]; then
  69       if [ "$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   setup_ruby_environment
 212   configure_version $VERSION "$2"
 213 elif [ "$1" = "0" ] || [ "$1" = "1" ] || [ "$1" = "2" ]; then
 214   # This is an rpm-based system
 215   setup_ruby_environment
 216   configure_version $VERSION
 217 fi
 218
 219 if [ "$DATABASE_READY" = "0" ]; then
 220   cat <<EOF
 221
 222 PLEASE NOTE:
 223
 224 The $PACKAGE_NAME package was not configured completely because
 225 $CONFIG_PATH/database.yml needs some tweaking. Please refer to the
 226 documentation at http://doc.arvados.org/install/install-sso.html#configure for
 227 more details.
 228
 229 When database.yml has been modified, reconfigure or reinstall this package.
 230 EOF
 231 fi
 232
 233 if [ "$APPLICATION_READY" = "0" ]; then
 234   cat <<EOF
 235
 236 PLEASE NOTE:
 237
 238 The $PACKAGE_NAME package was not configured completely because
 239 $CONFIG_PATH/application.yml needs some tweaking. Please refer to the
 240 documentation at http://doc.arvados.org/install/install-sso.html#configure for
 241 more details.
 242
 243 When application.yml has been modified, reconfigure or reinstall this package.
 244 EOF
 245 fi
 246
 247 echo