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=nginx:nginx
   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 your API server URL from
  33 echo "            /var/www/arvados-api/current"
  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 if [ -e $CONFIG_PATH/omniauth.rb ]; then
  43     cp -f $CONFIG_PATH/omniauth.rb $RELEASE_PATH/config/initializers/omniauth.rb
  44 fi
  45 echo "Done."
  46
  47 # Before we do anything else, make sure some directories and files are in place
  48 if [[ ! -e $SHARED_PATH/log ]]; then mkdir -p $SHARED_PATH/log; fi
  49 if [[ ! -e $RELEASE_PATH/tmp ]]; then mkdir -p $RELEASE_PATH/tmp; fi
  50 if [[ ! -e $RELEASE_PATH/log ]]; then ln -s $SHARED_PATH/log $RELEASE_PATH/log; fi
  51 if [[ ! -e $SHARED_PATH/log/production.log ]]; then touch $SHARED_PATH/log/production.log; fi
  52
  53 cd "$RELEASE_PATH"
  54 export RAILS_ENV=production
  55
  56 echo "Running bundle install"
  57 bundle install --path $SHARED_PATH/vendor_bundle
  58 echo "Done."
  59
  60 echo "Precompiling assets"
  61 # precompile assets; thankfully this does not take long
  62 bundle exec rake assets:precompile
  63 echo "Done."
  64
  65 echo "Ensuring directory and file permissions"
  66 # Ensure correct ownership of a few files
  67 chown "$WWW_OWNER" $RELEASE_PATH/config/environment.rb
  68 chown "$WWW_OWNER" $RELEASE_PATH/config.ru
  69 chown "$WWW_OWNER" $RELEASE_PATH/config/database.yml
  70 chown "$WWW_OWNER" $RELEASE_PATH/Gemfile.lock
  71 chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
  72 chown -R "$WWW_OWNER" $SHARED_PATH/log
  73 chown "$WWW_OWNER" $RELEASE_PATH/db/structure.sql
  74 chmod 644 $SHARED_PATH/log/*
  75 echo "Done."
  76
  77 echo "Running sanity check"
  78 bundle exec rake config:check
  79 SANITY_CHECK_EXIT_CODE=$?
  80 echo "Done."
  81
  82 if [[ "$SANITY_CHECK_EXIT_CODE" != "0" ]]; then
  83   echo "Sanity check failed, aborting. Please roll back to the previous version of the package."
  84   echo "The database has not been migrated yet, so reinstalling the previous version is safe."
  85   exit $SANITY_CHECK_EXIT_CODE
  86 fi
  87
  88 echo "Checking database status"
  89 # If we use `grep -q`, rake will write a backtrace on EPIPE.
  90 if bundle exec rake db:migrate:status | grep '^database: ' >/dev/null; then
  91     echo "Starting db:migrate"
  92     bundle exec rake db:migrate
  93 elif [ 0 -eq ${PIPESTATUS[0]} ]; then
  94     # The database exists, but the migrations table doesn't.
  95     echo "Setting up database"
  96     bundle exec rake db:structure:load db:seed
  97 else
  98     echo "Error: Database is not ready to set up. Aborting." >&2
  99     exit 1
 100 fi
 101 echo "Done."
 102
 103 echo "Restarting nginx"
 104 service "$NGINX_SERVICE" restart
 105 echo "Done."