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 $SHARED_PATH/log/production.log; fi
  50
  51 cd "$RELEASE_PATH"
  52 export RAILS_ENV=production
  53
  54 echo "Running bundle install"
  55 bundle install --path $SHARED_PATH/vendor_bundle
  56 echo "Done."
  57
  58 echo "Precompiling assets"
  59 # precompile assets; thankfully this does not take long
  60 bundle exec rake assets:precompile
  61 echo "Done."
  62
  63 echo "Ensuring directory and file permissions"
  64 # Ensure correct ownership of a few files
  65 chown "$WWW_OWNER" $RELEASE_PATH/config/environment.rb
  66 chown "$WWW_OWNER" $RELEASE_PATH/config.ru
  67 chown "$WWW_OWNER" $RELEASE_PATH/config/database.yml
  68 chown "$WWW_OWNER" $RELEASE_PATH/Gemfile.lock
  69 chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
  70 chown -R "$WWW_OWNER" $SHARED_PATH/log
  71 chown "$WWW_OWNER" $RELEASE_PATH/db/structure.sql
  72 chmod 644 $SHARED_PATH/log/*
  73 echo "Done."
  74
  75 echo "Running sanity check"
  76 bundle exec rake config:check
  77 SANITY_CHECK_EXIT_CODE=$?
  78 echo "Done."
  79
  80 if [[ "$SANITY_CHECK_EXIT_CODE" != "0" ]]; then
  81   echo "Sanity check failed, aborting. Please roll back to the previous version of the package."
  82   echo "The database has not been migrated yet, so reinstalling the previous version is safe."
  83   exit $SANITY_CHECK_EXIT_CODE
  84 fi
  85
  86 echo "Checking database status"
  87 # If we use `grep -q`, rake will write a backtrace on EPIPE.
  88 if bundle exec rake db:migrate:status | grep '^database: ' >/dev/null; then
  89     echo "Starting db:migrate"
  90     bundle exec rake db:migrate
  91 elif [ 0 -eq ${PIPESTATUS[0]} ]; then
  92     # The database exists, but the migrations table doesn't.
  93     echo "Setting up database"
  94     bundle exec rake db:structure:load db:seed
  95 else
  96     echo "Error: Database is not ready to set up. Aborting." >&2
  97     exit 1
  98 fi
  99 echo "Done."
 100
 101 echo "Restarting nginx"
 102 service "$NGINX_SERVICE" restart
 103 echo "Done."