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       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 "            $RELEASE_PATH"
  82   echo "Assumption: configuration files are in $CONFIG_PATH"
  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 "Making sure bundle is installed ..."
 129   set +e
 130   which bundle > /dev/null
 131   if [[ "$?" != "0" ]]; then
 132     $COMMAND_PREFIX gem install bundle
 133   fi
 134   set -e
 135   echo "... done."
 136
 137   echo -n "Running bundle install ..."
 138   $COMMAND_PREFIX bundle install --path $SHARED_PATH/vendor_bundle --quiet || exit $?
 139   echo "... done."
 140
 141   echo -n "Ensuring directory and file permissions ..."
 142   # Ensure correct ownership of a few files
 143   chown "$WWW_OWNER" $RELEASE_PATH/config/environment.rb
 144   chown "$WWW_OWNER" $RELEASE_PATH/config.ru
 145   chown "$WWW_OWNER" $RELEASE_PATH/config/database.yml
 146   chown "$WWW_OWNER" $RELEASE_PATH/Gemfile.lock
 147   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 148   chown -R "$WWW_OWNER" $SHARED_PATH/log
 149   chown "$WWW_OWNER" $RELEASE_PATH/db/schema.rb
 150   chmod 644 $SHARED_PATH/log/*
 151   echo "... done."
 152
 153   set +e
 154   DB_MIGRATE_STATUS=`$COMMAND_PREFIX bundle exec rake db:migrate:status 2>&1`
 155   DB_MIGRATE_STATUS_CODE=$?
 156   set -e
 157
 158   if echo $DB_MIGRATE_STATUS | grep 'Schema migrations table does not exist yet.' >/dev/null; then
 159     # The database exists, but the migrations table doesn't.
 160     echo -n "Setting up database ..."
 161     $COMMAND_PREFIX bundle exec rake db:schema:load db:seed || exit $?
 162     echo "... done."
 163   elif echo $DB_MIGRATE_STATUS | grep '^database: ' >/dev/null; then
 164     echo -n "Running db:migrate ..."
 165     $COMMAND_PREFIX bundle exec rake db:migrate || exit $?
 166     echo "... done."
 167   elif echo $DB_MIGRATE_STATUS | grep 'database .* does not exist' >/dev/null; then
 168     echo -n "Running db:setup ..."
 169     set +e
 170     $COMMAND_PREFIX bundle exec rake db:setup 2>/dev/null
 171     if [ "$?" = "0" ]; then
 172       echo "... done."
 173     else
 174       echo "... failed."
 175       echo "Warning: unable to set up database." >&2
 176       DATABASE_READY=0
 177     fi
 178     set -e
 179   else
 180     echo "Warning: Database is not ready to set up. Skipping database setup." >&2
 181     DATABASE_READY=0
 182   fi
 183
 184   echo -n "Precompiling assets ..."
 185   # precompile assets; thankfully this does not take long
 186   if [ "$APPLICATION_READY" = "1" ]; then
 187     set +e
 188     $COMMAND_PREFIX bundle exec rake assets:precompile -q -s 2>/dev/null
 189     if [ "$?" = "0" ]; then
 190       echo "... done."
 191     else
 192       echo "... failed."
 193       APPLICATION_READY=0
 194     fi
 195     set -e
 196   else
 197     echo "... skipped."
 198   fi
 199   chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
 200
 201   if [ ! -z "$WEB_SERVICE" ]; then
 202     echo -n "Restarting $WEB_SERVICE ..."
 203     service "$WEB_SERVICE" restart >/dev/null || exit $?
 204     echo "... done."
 205   fi
 206 }
 207
 208 if [ "$1" = configure ]; then
 209   # This is a debian-based system
 210   configure_version
 211 elif [ "$1" = "0" ] || [ "$1" = "1" ] || [ "$1" = "2" ]; then
 212   # This is an rpm-based system
 213   configure_version
 214 fi
 215
 216 report_not_ready "$DATABASE_READY" "$CONFIG_PATH/database.yml"
 217 report_not_ready "$APPLICATION_READY" "$CONFIG_PATH/application.yml"