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