21700: Set GEM_PATH in Rails postinst
[arvados.git] / build / rails-package-scripts / postinst.sh
index e019170d71d24a6323e3b4eaee856c30cebb5768..1d426baa730ba0eaa585159c3ba4f66091663cd0 100644 (file)
@@ -1,4 +1,8 @@
 #!/bin/sh
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 # This code runs after package variable definitions and step2.sh.
 
 set -e
@@ -6,12 +10,6 @@ set -e
 DATABASE_READY=1
 APPLICATION_READY=1
 
-if [ -s "$HOME/.rvm/scripts/rvm" ] || [ -s "/usr/local/rvm/scripts/rvm" ]; then
-    COMMAND_PREFIX="/usr/local/rvm/bin/rvm-exec default"
-else
-    COMMAND_PREFIX=
-fi
-
 report_not_ready() {
     local ready_flag="$1"; shift
     local config_file="$1"; shift
@@ -121,17 +119,17 @@ setup_conffile() {
 }
 
 prepare_database() {
-  DB_MIGRATE_STATUS=`$COMMAND_PREFIX bundle exec rake db:migrate:status 2>&1 || true`
+  DB_MIGRATE_STATUS=`bin/rake db:migrate:status 2>&1 || true`
   if echo "$DB_MIGRATE_STATUS" | grep -qF 'Schema migrations table does not exist yet.'; then
       # The database exists, but the migrations table doesn't.
-      run_and_report "Setting up database" $COMMAND_PREFIX bundle exec \
-                     rake "$RAILSPKG_DATABASE_LOAD_TASK" db:seed
+      run_and_report "Setting up database" bin/rake \
+                     "$RAILSPKG_DATABASE_LOAD_TASK" db:seed
   elif echo "$DB_MIGRATE_STATUS" | grep -q '^database: '; then
       run_and_report "Running db:migrate" \
-                     $COMMAND_PREFIX bundle exec rake db:migrate
+                     bin/rake db:migrate
   elif echo "$DB_MIGRATE_STATUS" | grep -q 'database .* does not exist'; then
       if ! run_and_report "Running db:setup" \
-           $COMMAND_PREFIX bundle exec rake db:setup 2>/dev/null; then
+           bin/rake db:setup 2>/dev/null; then
           echo "Warning: unable to set up database." >&2
           DATABASE_READY=0
       fi
@@ -182,10 +180,6 @@ configure_version() {
   setup_confdirs /etc/arvados "$CONFIG_PATH"
   setup_conffile environments/production.rb environments/production.rb.example \
       || true
-  setup_conffile application.yml application.yml.example || APPLICATION_READY=0
-  if [ -n "$RAILSPKG_DATABASE_LOAD_TASK" ]; then
-      setup_conffile database.yml database.yml.example || DATABASE_READY=0
-  fi
   setup_extra_conffiles
   echo "... done."
 
@@ -198,45 +192,66 @@ configure_version() {
   cd "$RELEASE_PATH"
   export RAILS_ENV=production
 
-  if ! $COMMAND_PREFIX bundle --version >/dev/null; then
-      run_and_report "Installing bundle" $COMMAND_PREFIX gem install bundle
-  fi
-
-  run_and_report "Running bundle install" \
-      $COMMAND_PREFIX bundle install --path $SHARED_PATH/vendor_bundle --local --quiet
+  # We install Bundler itself in the same place where Bundler will install
+  # bundled gems, for a few reasons:
+  # 1. Bundler will probably want to do this anyway to run itself with the
+  #    specific version named in Gemfile.lock.
+  # 2. This is nicer to the sysadmin since we avoid messing with global state.
+  # 3. We can know exactly where the `bundle` command got installed.
+  local bundle_path="$SHARED_PATH/vendor_bundle"
+  export GEM_HOME="$bundle_path/ruby/$(ruby -e 'puts RUBY_VERSION')"
+  export GEM_PATH="$GEM_HOME"
+  run_and_report "Installing bundler" gem install --conservative --version '~> 2.4.0' bundler
+  local bundle="$GEM_HOME/bin/bundle"
+
+  run_and_report "Running bundle config set --local path $SHARED_PATH/vendor_bundle" \
+                 "$bundle" config set --local path "$bundle_path"
+
+  # As of April 2024/Bundler 2.4, `bundle install` tends not to install gems
+  # which are already installed system-wide, which causes bundle activation to
+  # fail later. Work around this by installing all gems manually.
+  find vendor/cache -maxdepth 1 -name '*.gem' -print0 \
+      | run_and_report "Installing bundle gems" xargs -0r \
+                       gem install --conservative --ignore-dependencies --local --quiet
+  # The earlier `bundle config` should have it looking for installed gems in
+  # the right place. Unset GEM_* now to be sure.
+  unset GEM_HOME GEM_PATH
+  run_and_report "Running bundle install" "$bundle" install --prefer-local --quiet
+  run_and_report "Verifying bundle is complete" "$bundle" exec true
 
   echo -n "Ensuring directory and file permissions ..."
   # Ensure correct ownership of a few files
   chown "$WWW_OWNER:" $RELEASE_PATH/config/environment.rb
   chown "$WWW_OWNER:" $RELEASE_PATH/config.ru
   chown "$WWW_OWNER:" $RELEASE_PATH/Gemfile.lock
-  chown -R "$WWW_OWNER:" $RELEASE_PATH/tmp
+  chown -R "$WWW_OWNER:" $RELEASE_PATH/tmp || true
   chown -R "$WWW_OWNER:" $SHARED_PATH/log
+  # Make sure postgres doesn't try to use a pager.
+  export PAGER=
   case "$RAILSPKG_DATABASE_LOAD_TASK" in
-      db:schema:load) chown "$WWW_OWNER:" $RELEASE_PATH/db/schema.rb ;;
-      db:structure:load) chown "$WWW_OWNER:" $RELEASE_PATH/db/structure.sql ;;
+      # db:structure:load was deprecated in Rails 6.1 and shouldn't be used.
+      db:schema:load | db:structure:load)
+          chown "$WWW_OWNER:" $RELEASE_PATH/db/schema.rb || true
+          chown "$WWW_OWNER:" $RELEASE_PATH/db/structure.sql || true
+          ;;
   esac
   chmod 644 $SHARED_PATH/log/*
-  chmod -R 2775 $RELEASE_PATH/tmp
+  chmod -R 2775 $RELEASE_PATH/tmp || true
   echo "... done."
 
   if [ -n "$RAILSPKG_DATABASE_LOAD_TASK" ]; then
       prepare_database
   fi
 
-  if [ 11 = "$RAILSPKG_SUPPORTS_CONFIG_CHECK$APPLICATION_READY" ]; then
-      run_and_report "Checking application.yml for completeness" \
-          $COMMAND_PREFIX bundle exec rake config:check || APPLICATION_READY=0
-  fi
-
-  # precompile assets; thankfully this does not take long
-  if [ "$APPLICATION_READY" = "1" ]; then
-      run_and_report "Precompiling assets" \
-          $COMMAND_PREFIX bundle exec rake assets:precompile -q -s 2>/dev/null \
-          || APPLICATION_READY=0
+  if [ -e /etc/arvados/config.yml ]; then
+      # warn about config errors (deprecated/removed keys from
+      # previous version, etc)
+      run_and_report "Checking configuration for completeness" \
+                     bin/rake config:check || APPLICATION_READY=0
   else
-      echo "Precompiling assets... skipped."
+      APPLICATION_READY=0
   fi
+
   chown -R "$WWW_OWNER:" $RELEASE_PATH/tmp
 
   setup_before_nginx_restart
@@ -254,5 +269,4 @@ elif [ "$1" = "0" ] || [ "$1" = "1" ] || [ "$1" = "2" ]; then
   configure_version
 fi
 
-report_not_ready "$DATABASE_READY" "$CONFIG_PATH/database.yml"
-report_not_ready "$APPLICATION_READY" "$CONFIG_PATH/application.yml"
+report_not_ready "$APPLICATION_READY" "/etc/arvados/config.yml"