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 -n "Running bundle install ..."
 130   $COMMAND_PREFIX bundle install --path $SHARED_PATH/vendor_bundle --quiet || exit $?
 131   echo "... done."
 132
 133   echo -n "Ensuring directory and file permissions ..."
 134   # Ensure correct ownership of a few files
 135   chown "$WWW_OWNER" $RELEASE_PATH/config/environment.rb
 136   chown "$WWW_OWNER" $RELEASE_PATH/config.ru
 137   chown "$WWW_OWNER" $RELEASE_PATH/config/database.yml
 138   chown "$WWW_OWNER" $RELEASE_PATH/Gemfile.lock
 139   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 140   chown -R "$WWW_OWNER" $SHARED_PATH/log
 141   chown "$WWW_OWNER" $RELEASE_PATH/db/schema.rb
 142   chmod 644 $SHARED_PATH/log/*
 143   echo "... done."
 144
 145   set +e
 146   DB_MIGRATE_STATUS=`$COMMAND_PREFIX bundle exec rake db:migrate:status 2>&1`
 147   DB_MIGRATE_STATUS_CODE=$?
 148   set -e
 149
 150   if echo $DB_MIGRATE_STATUS | grep 'Schema migrations table does not exist yet.' >/dev/null; then
 151     # The database exists, but the migrations table doesn't.
 152     echo -n "Setting up database ..."
 153     $COMMAND_PREFIX bundle exec rake db:schema:load db:seed || exit $?
 154     echo "... done."
 155   elif echo $DB_MIGRATE_STATUS | grep '^database: ' >/dev/null; then
 156     echo -n "Running db:migrate ..."
 157     $COMMAND_PREFIX bundle exec rake db:migrate || exit $?
 158     echo "... done."
 159   elif echo $DB_MIGRATE_STATUS | grep 'database .* does not exist' >/dev/null; then
 160     echo -n "Running db:setup ..."
 161     set +e
 162     $COMMAND_PREFIX bundle exec rake db:setup 2>/dev/null
 163     if [ "$?" = "0" ]; then
 164       echo "... done."
 165     else
 166       echo "... failed."
 167       echo "Warning: unable to set up database." >&2
 168       DATABASE_READY=0
 169     fi
 170     set -e
 171   else
 172     echo "Warning: Database is not ready to set up. Skipping database setup." >&2
 173     DATABASE_READY=0
 174   fi
 175
 176   echo -n "Precompiling assets ..."
 177   # precompile assets; thankfully this does not take long
 178   if [ "$APPLICATION_READY" = "1" ]; then
 179     set +e
 180     $COMMAND_PREFIX bundle exec rake assets:precompile -q -s 2>/dev/null
 181     if [ "$?" = "0" ]; then
 182       echo "... done."
 183     else
 184       echo "... failed."
 185       APPLICATION_READY=0
 186     fi
 187     set -e
 188   else
 189     echo "... skipped."
 190   fi
 191   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 192
 193   if [ ! -z "$WEB_SERVICE" ]; then
 194     echo -n "Restarting $WEB_SERVICE ..."
 195     service "$WEB_SERVICE" restart >/dev/null || exit $?
 196     echo "... done."
 197   fi
 198 }
 199
 200 if [ "$1" = configure ]; then
 201   # This is a debian-based system
 202   setup_ruby_environment
 203   configure_version $VERSION "$2"
 204 elif [ "$1" = "0" ] || [ "$1" = "1" ] || [ "$1" = "2" ]; then
 205   # This is an rpm-based system
 206   setup_ruby_environment
 207   configure_version $VERSION
 208 fi
 209
 210 if [ "$DATABASE_READY" = "0" ]; then
 211   cat <<EOF
 212
 213 PLEASE NOTE:
 214
 215 The $PACKAGE_NAME package was not configured completely because
 216 $CONFIG_PATH/database.yml needs some tweaking. Please refer to the
 217 documentation at http://doc.arvados.org/install/install-sso.html#configure for
 218 more details.
 219
 220 When database.yml has been modified, reconfigure or reinstall this package.
 221 EOF
 222 fi
 223
 224 if [ "$APPLICATION_READY" = "0" ]; then
 225   cat <<EOF
 226
 227 PLEASE NOTE:
 228
 229 The $PACKAGE_NAME package was not configured completely because
 230 $CONFIG_PATH/application.yml needs some tweaking. Please refer to the
 231 documentation at http://doc.arvados.org/install/install-sso.html#configure for
 232 more details.
 233
 234 When application.yml has been modified, reconfigure or reinstall this package.
 235 EOF
 236 fi
 237
 238 echo