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 "Making sure bundle is installed"
  57 set +e
  58 which bundle > /dev/null
  59 if [[ "$?" != "0" ]]; then
  60   gem install bundle
  61 fi
  62 set -e
  63 echo "Done."
  64
  65 echo "Running bundle install"
  66 bundle install --path $SHARED_PATH/vendor_bundle
  67 echo "Done."
  68
  69 echo "Precompiling assets"
  70 # precompile assets; thankfully this does not take long
  71 bundle exec rake assets:precompile
  72 echo "Done."
  73
  74 echo "Ensuring directory and file permissions"
  75 # Ensure correct ownership of a few files
  76 chown "$WWW_OWNER" $RELEASE_PATH/config/environment.rb
  77 chown "$WWW_OWNER" $RELEASE_PATH/config.ru
  78 chown "$WWW_OWNER" $RELEASE_PATH/config/database.yml
  79 chown "$WWW_OWNER" $RELEASE_PATH/Gemfile.lock
  80 chown -R "$WWW_OWNER" $RELEASE_PATH/tmp
  81 chown -R "$WWW_OWNER" $SHARED_PATH/log
  82 chown "$WWW_OWNER" $RELEASE_PATH/db/structure.sql
  83 chmod 644 $SHARED_PATH/log/*
  84 # Rails creates the cache directory if it doesn't exist
  85 if [[ -d $RELEASE_PATH/tmp/cache/ ]]; then
  86   chmod -R 2775 $RELEASE_PATH/tmp/cache/
  87 fi
  88 echo "Done."
  89
  90 echo "Running sanity check"
  91 bundle exec rake config:check
  92 SANITY_CHECK_EXIT_CODE=$?
  93 echo "Done."
  94
  95 if [[ "$SANITY_CHECK_EXIT_CODE" != "0" ]]; then
  96   echo "Sanity check failed, aborting. Please roll back to the previous version of the package."
  97   echo "The database has not been migrated yet, so reinstalling the previous version is safe."
  98   exit $SANITY_CHECK_EXIT_CODE
  99 fi
 100
 101 echo "Checking database status"
 102 # If we use `grep -q`, rake will write a backtrace on EPIPE.
 103 if bundle exec rake db:migrate:status | grep '^database: ' >/dev/null; then
 104     echo "Starting db:migrate"
 105     bundle exec rake db:migrate
 106 elif [ 0 -eq ${PIPESTATUS[0]} ]; then
 107     # The database exists, but the migrations table doesn't.
 108     echo "Setting up database"
 109     bundle exec rake db:structure:load db:seed
 110 else
 111     echo "Error: Database is not ready to set up. Aborting." >&2
 112     exit 1
 113 fi
 114 echo "Done."
 115
 116 echo "Restarting nginx"
 117 service "$NGINX_SERVICE" restart
 118 echo "Done."