jenkins/arvados-api-server-extras/arvados-api-server-upgrade.sh

   1 #!/bin/bash
   2
   3 set -e
   4
   5 if [ -e /etc/redhat-release ]; then
   6     WWW_OWNER=apache:apache
   7 else
   8     # Assume we're on a Debian-based system for now.
   9     WWW_OWNER=www-data:www-data
  10 fi
  11
  12 NGINX_SERVICE=${NGINX_SERVICE:-$(service --status-all 2>/dev/null \
  13     | grep -Eo '\bnginx[^[:space:]]*' || true)}
  14 if [ -z "$NGINX_SERVICE" ]; then
  15     cat >&2 <<EOF
  16 Error: nginx service not found. Aborting.
  17 Set NGINX_SERVICE to the name of the service hosting the Rails server.
  18 EOF
  19     exit 1
  20 elif [ "$NGINX_SERVICE" != "$(echo "$NGINX_SERVICE" | head -n 1)" ]; then
  21     cat >&2 <<EOF
  22 Error: multiple nginx services found. Aborting.
  23 Set NGINX_SERVICE to the name of the service hosting the Rails server.
  24 EOF
  25     exit 1
  26 fi
  27
  28 RELEASE_PATH=/var/www/arvados-api/current
  29 SHARED_PATH=/var/www/arvados-api/shared
  30 CONFIG_PATH=/etc/arvados/api/
  31
  32 echo "Assumption: $NGINX_SERVICE is configured to serve $HOSTNAME from /var/www/$HOSTNAME/current"
  33 echo "Assumption: /var/www/$HOSTNAME is symlinked to /var/www/arvados-api"
  34 echo "Assumption: configuration files are in /etc/arvados/api/"
  35 echo "Assumption: $NGINX_SERVICE and passenger run as $WWW_OWNER"
  36 echo
  37
  38 echo "Copying files from $CONFIG_PATH"
  39 cp -f $CONFIG_PATH/database.yml $RELEASE_PATH/config/database.yml
  40 cp -f $RELEASE_PATH/config/environments/production.rb.example $RELEASE_PATH/config/environments/production.rb
  41 cp -f $CONFIG_PATH/application.yml $RELEASE_PATH/config/application.yml
  42 cp -f $CONFIG_PATH/omniauth.rb $RELEASE_PATH/config/initializers/omniauth.rb
  43 echo "Done."
  44
  45 # Before we do anything else, make sure some directories and files are in place
  46 if [[ ! -e $SHARED_PATH/log ]]; then mkdir -p $SHARED_PATH/log; fi
  47 if [[ ! -e $RELEASE_PATH/tmp ]]; then mkdir -p $RELEASE_PATH/tmp; fi
  48 if [[ ! -e $RELEASE_PATH/log ]]; then ln -s $SHARED_PATH/log $RELEASE_PATH/log; fi
  49 if [[ ! -e $SHARED_PATH/log/production.log ]]; then touch $SHARED_PATH/log/production.log; fi
  50
  51 echo "Running bundle install"
  52 (cd $RELEASE_PATH && RAILS_ENV=production bundle install --path $SHARED_PATH/vendor_bundle)
  53 echo "Done."
  54
  55 echo "Precompiling assets"
  56 # precompile assets; thankfully this does not take long
  57 (cd $RELEASE_PATH; RAILS_ENV=production bundle exec rake assets:precompile)
  58 echo "Done."
  59
  60 echo "Ensuring directory and file permissions"
  61 # Ensure correct ownership of a few files
  62 chown "$WWW_OWNER" $RELEASE_PATH/config/environment.rb
  63 chown "$WWW_OWNER" $RELEASE_PATH/config.ru
  64 chown "$WWW_OWNER" $RELEASE_PATH/config/database.yml
  65 chown "$WWW_OWNER" $RELEASE_PATH/Gemfile.lock
  66 chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
  67 chown -R "$WWW_OWNER" $SHARED_PATH/log
  68 chown "$WWW_OWNER" $RELEASE_PATH/db/structure.sql
  69 chmod 644 $SHARED_PATH/log/*
  70 echo "Done."
  71
  72 echo "Running sanity check"
  73 (cd $RELEASE_PATH && RAILS_ENV=production bundle exec rake config:check)
  74 SANITY_CHECK_EXIT_CODE=$?
  75 echo "Done."
  76
  77 if [[ "$SANITY_CHECK_EXIT_CODE" != "0" ]]; then
  78   echo "Sanity check failed, aborting. Please roll back to the previous version of the package."
  79   echo "The database has not been migrated yet, so reinstalling the previous version is safe."
  80   exit $SANITY_CHECK_EXIT_CODE
  81 fi
  82
  83 echo "Starting db:migrate"
  84 (cd $RELEASE_PATH && bundle exec rake RAILS_ENV=production  db:migrate)
  85 echo "Done."
  86
  87 echo "Restarting nginx"
  88 service "$NGINX_SERVICE" restart
  89 echo "Done."