Add "deny disk access" Gitaly feature (tripswitch)

config/initializers/1_settings.rb

@@ -391,8 +391,10 @@ repositories_storages          = Settings.repositories.storages.values
 repository_downloads_path      = Settings.gitlab['repository_downloads_path'].to_s.gsub(%r{/$}, '')
 repository_downloads_full_path = File.expand_path(repository_downloads_path, Settings.gitlab['user_home'])
-if repository_downloads_path.blank? || repositories_storages.any? { |rs| [repository_downloads_path, repository_downloads_full_path].include?(rs.legacy_disk_path.gsub(%r{/$}, '')) }
-  Settings.gitlab['repository_downloads_path'] = File.join(Settings.shared['path'], 'cache/archive')
+Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+  if repository_downloads_path.blank? || repositories_storages.any? { |rs| [repository_downloads_path, repository_downloads_full_path].include?(rs.legacy_disk_path.gsub(%r{/$}, '')) }
+    Settings.gitlab['repository_downloads_path'] = File.join(Settings.shared['path'], 'cache/archive')
+  end
 end
 #

config/initializers/6_validations.rb

@@ -38,10 +38,12 @@ def validate_storages_config
 end
 def validate_storages_paths
-  Gitlab.config.repositories.storages.each do |name, repository_storage|
-    parent_name, _parent_path = find_parent_path(name, repository_storage.legacy_disk_path)
-    if parent_name
-      storage_validation_error("#{name} is a nested path of #{parent_name}. Nested paths are not supported for repository storages")
+  Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+    Gitlab.config.repositories.storages.each do |name, repository_storage|
+      parent_name, _parent_path = find_parent_path(name, repository_storage.legacy_disk_path)
+      if parent_name
+        storage_validation_error("#{name} is a nested path of #{parent_name}. Nested paths are not supported for repository storages")
+      end
     end
   end
 end

lib/gitlab/cycle_analytics/summary/commit.rb

@@ -7,7 +7,9 @@ module Gitlab
         end
         def value
-          @value ||= count_commits
+          Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+            @value ||= count_commits
+          end
         end
         private

lib/gitlab/git/repository.rb

@@ -1185,15 +1185,17 @@ module Gitlab
       end
       def compare_source_branch(target_branch_name, source_repository, source_branch_name, straight:)
-        with_repo_branch_commit(source_repository, source_branch_name) do |commit|
-          break unless commit
-
-          Gitlab::Git::Compare.new(
-            self,
-            target_branch_name,
-            commit.sha,
-            straight: straight
-          )
+        Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+          with_repo_branch_commit(source_repository, source_branch_name) do |commit|
+            break unless commit
+
+            Gitlab::Git::Compare.new(
+              self,
+              target_branch_name,
+              commit.sha,
+              straight: straight
+            )
+          end
         end
       end
@@ -1455,7 +1457,7 @@ module Gitlab
           gitaly_repository_client.cleanup if is_enabled && exists?
         end
       rescue Gitlab::Git::CommandError => e # Don't fail if we can't cleanup
-        Rails.logger.error("Unable to clean repository on storage #{storage} with path #{path}: #{e.message}")
+        Rails.logger.error("Unable to clean repository on storage #{storage} with relative path #{relative_path}: #{e.message}")
         Gitlab::Metrics.counter(
           :failed_repository_cleanup_total,
           'Number of failed repository cleanup events'

lib/gitlab/git/storage/checker.rb

@@ -35,7 +35,7 @@ module Gitlab
         def initialize(storage, logger = Rails.logger)
           @storage = storage
           config = Gitlab.config.repositories.storages[@storage]
-          @storage_path = config.legacy_disk_path
+          @storage_path = Gitlab::GitalyClient::StorageSettings.allow_disk_access { config.legacy_disk_path }
           @logger = logger
           @hostname = Gitlab::Environment.hostname

lib/gitlab/git/storage/circuit_breaker.rb

@@ -22,13 +22,14 @@ module Gitlab
         def self.build(storage, hostname = Gitlab::Environment.hostname)
           config = Gitlab.config.repositories.storages[storage]
-
-          if !config.present?
-            NullCircuitBreaker.new(storage, hostname, error: Misconfiguration.new("Storage '#{storage}' is not configured"))
-          elsif !config.legacy_disk_path.present?
-            NullCircuitBreaker.new(storage, hostname, error: Misconfiguration.new("Path for storage '#{storage}' is not configured"))
-          else
-            new(storage, hostname)
+          Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+            if !config.present?
+              NullCircuitBreaker.new(storage, hostname, error: Misconfiguration.new("Storage '#{storage}' is not configured"))
+            elsif !config.legacy_disk_path.present?
+              NullCircuitBreaker.new(storage, hostname, error: Misconfiguration.new("Path for storage '#{storage}' is not configured"))
+            else
+              new(storage, hostname)
+            end
           end
         end

lib/gitlab/gitaly_client.rb

@@ -33,6 +33,11 @@ module Gitlab
     MAXIMUM_GITALY_CALLS = 35
     CLIENT_NAME = (Sidekiq.server? ? 'gitlab-sidekiq' : 'gitlab-web').freeze
+    # We have a mechanism to let GitLab automatically opt in to all Gitaly
+    # features. We want to be able to exclude some features from automatic
+    # opt-in. That is what EXPLICIT_OPT_IN_REQUIRED is for.
+    EXPLICIT_OPT_IN_REQUIRED = [Gitlab::GitalyClient::StorageSettings::DISK_ACCESS_DENIED_FLAG].freeze
+
     MUTEX = Mutex.new
     class << self
@@ -234,7 +239,7 @@ module Gitlab
       when MigrationStatus::OPT_OUT
         true
       when MigrationStatus::OPT_IN
-        opt_into_all_features?
+        opt_into_all_features? && !EXPLICIT_OPT_IN_REQUIRED.include?(feature_name)
       else
         false
       end

lib/gitlab/gitaly_client/storage_settings.rb

@@ -4,6 +4,8 @@ module Gitlab
     # where production code (app, config, db, lib) touches Git repositories
     # directly.
     class StorageSettings
+      extend Gitlab::TemporarilyAllow
+
       DirectPathAccessError = Class.new(StandardError)
       InvalidConfigurationError = Class.new(StandardError)
@@ -17,7 +19,21 @@ module Gitlab
       # This class will give easily recognizable NoMethodErrors
       Deprecated = Class.new
-      attr_reader :legacy_disk_path
+      MUTEX = Mutex.new
+
+      DISK_ACCESS_DENIED_FLAG = :deny_disk_access
+      ALLOW_KEY = :allow_disk_access
+
+      # If your code needs this method then your code needs to be fixed.
+      def self.allow_disk_access
+        temporarily_allow(ALLOW_KEY) { yield }
+      end
+
+      def self.disk_access_denied?
+        !temporarily_allowed?(ALLOW_KEY) && GitalyClient.feature_enabled?(DISK_ACCESS_DENIED_FLAG)
+      rescue
+        false # Err on the side of caution, don't break gitlab for people
+      end
       def initialize(storage)
         raise InvalidConfigurationError, "expected a Hash, got a #{storage.class.name}" unless storage.is_a?(Hash)
@@ -34,6 +50,14 @@ module Gitlab
         @hash.fetch(:gitaly_address)
       end
+      def legacy_disk_path
+        if self.class.disk_access_denied?
+          raise DirectPathAccessError, "git disk access denied via the gitaly_#{DISK_ACCESS_DENIED_FLAG} feature"
+        end
+
+        @legacy_disk_path
+      end
+
       private
       def method_missing(m, *args, &block)

lib/gitlab/health_checks/fs_shards_check.rb

@@ -77,7 +77,9 @@ module Gitlab
         end
         def storage_path(storage_name)
-          storages_paths[storage_name]&.legacy_disk_path
+          Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+            storages_paths[storage_name]&.legacy_disk_path
+          end
         end
         # All below test methods use shell commands to perform actions on storage volumes.

lib/gitlab/temporarily_allow.rb

+module Gitlab
+  module TemporarilyAllow
+    TEMPORARILY_ALLOW_MUTEX = Mutex.new
+
+    def temporarily_allow(key)
+      temporarily_allow_add(key, 1)
+      yield
+    ensure
+      temporarily_allow_add(key, -1)
+    end
+
+    def temporarily_allowed?(key)
+      if RequestStore.active?
+        temporarily_allow_request_store[key] > 0
+      else
+        TEMPORARILY_ALLOW_MUTEX.synchronize do
+          temporarily_allow_ivar[key] > 0
+        end
+      end
+    end
+
+    private
+
+    def temporarily_allow_ivar
+      @temporarily_allow ||= Hash.new(0)
+    end
+
+    def temporarily_allow_request_store
+      RequestStore[:temporarily_allow] ||= Hash.new(0)
+    end
+
+    def temporarily_allow_add(key, value)
+      if RequestStore.active?
+        temporarily_allow_request_store[key] += value
+      else
+        TEMPORARILY_ALLOW_MUTEX.synchronize do
+          temporarily_allow_ivar[key] += value
+        end
+      end
+    end
+  end
+end

spec/lib/gitlab/background_migration/deserialize_merge_request_diffs_and_commits_spec.rb

@@ -299,7 +299,11 @@ describe Gitlab::BackgroundMigration::DeserializeMergeRequestDiffsAndCommits, :m
       let(:commits) { merge_request_diff.commits.map(&:to_hash) }
       let(:first_commit) { project.repository.commit(merge_request_diff.head_commit_sha) }
       let(:expected_commits) { commits }
-      let(:diffs) { first_commit.rugged_diff_from_parent.patches }
+      let(:diffs) do
+        Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+          first_commit.rugged_diff_from_parent.patches
+        end
+      end
       let(:expected_diffs) { [] }
       include_examples 'updated MR diff'
@@ -309,7 +313,11 @@ describe Gitlab::BackgroundMigration::DeserializeMergeRequestDiffsAndCommits, :m
       let(:commits) { merge_request_diff.commits.map(&:to_hash) }
       let(:first_commit) { project.repository.commit(merge_request_diff.head_commit_sha) }
       let(:expected_commits) { commits }
-      let(:diffs) { first_commit.rugged_diff_from_parent.deltas }
+      let(:diffs) do
+        Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+          first_commit.rugged_diff_from_parent.deltas
+        end
+      end
       let(:expected_diffs) { [] }
       include_examples 'updated MR diff'

spec/lib/gitlab/checks/lfs_integrity_spec.rb

@@ -6,7 +6,9 @@ describe Gitlab::Checks::LfsIntegrity do
   let(:project) { create(:project, :repository) }
   let(:repository) { project.repository }
   let(:newrev) do
-    operations = BareRepoOperations.new(repository.path)
+    operations = Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+      BareRepoOperations.new(repository.path)
+    end
     # Create a commit not pointed at by any ref to emulate being in the
     # pre-receive hook so that `--not --all` returns some objects

spec/lib/gitlab/conflict/file_spec.rb

@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::Conflict::File do
   let(:project) { create(:project, :repository) }
   let(:repository) { project.repository }
-  let(:rugged) { repository.rugged }
+  let(:rugged) { Gitlab::GitalyClient::StorageSettings.allow_disk_access { repository.rugged } }
   let(:their_commit) { rugged.branches['conflict-start'].target }
   let(:our_commit) { rugged.branches['conflict-resolvable'].target }
   let(:merge_request) { create(:merge_request, source_branch: 'conflict-resolvable', target_branch: 'conflict-start', source_project: project) }

spec/lib/gitlab/git/repository_spec.rb

@@ -114,7 +114,9 @@ describe Gitlab::Git::Repository, seed_helper: true do
     it 'raises a no repository exception when there is no repo' do
       broken_repo = described_class.new('default', 'a/path.git', '')
-      expect { broken_repo.rugged }.to raise_error(Gitlab::Git::Repository::NoRepository)
+      expect do
+        Gitlab::GitalyClient::StorageSettings.allow_disk_access { broken_repo.rugged }
+      end.to raise_error(Gitlab::Git::Repository::NoRepository)
     end
     describe 'alternates keyword argument' do
@@ -124,9 +126,9 @@ describe Gitlab::Git::Repository, seed_helper: true do
         end
         it "is passed an empty array" do
-          expect(Rugged::Repository).to receive(:new).with(repository.path, alternates: [])
-          repository.rugged
+          expect(Rugged::Repository).to receive(:new).with(repository_path, alternates: [])
+          repository_rugged
         end
       end
@@ -142,10 +144,10 @@ describe Gitlab::Git::Repository, seed_helper: true do
         end
         it "is passed the relative object dir envvars after being converted to absolute ones" do
-          alternates = %w[foo bar baz].map { |d| File.join(repository.path, './objects', d) }
-          expect(Rugged::Repository).to receive(:new).with(repository.path, alternates: alternates)
-          repository.rugged
+          alternates = %w[foo bar baz].map { |d| File.join(repository_path, './objects', d) }
+          expect(Rugged::Repository).to receive(:new).with(repository_path, alternates: alternates)
+          repository_rugged
         end
       end
     end
@@ -156,16 +158,22 @@ describe Gitlab::Git::Repository, seed_helper: true do
     let(:feature) { 'feature' }
     let(:feature2) { 'feature2' }
+    around do |example|
+      Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+        example.run
+      end
+    end
+
     it "returns 'master' when master exists" do
       expect(repository).to receive(:branch_names).at_least(:once).and_return([feature, master])
       expect(repository.discover_default_branch).to eq('master')
     end
     it "returns non-master when master exists but default branch is set to something else" do
-      File.write(File.join(repository.path, 'HEAD'), 'ref: refs/heads/feature')
+      File.write(File.join(repository_path, 'HEAD'), 'ref: refs/heads/feature')
       expect(repository).to receive(:branch_names).at_least(:once).and_return([feature, master])
       expect(repository.discover_default_branch).to eq('feature')
-      File.write(File.join(repository.path, 'HEAD'), 'ref: refs/heads/master')
+      File.write(File.join(repository_path, 'HEAD'), 'ref: refs/heads/master')
     end
     it "returns a non-master branch when only one exists" do
@@ -364,6 +372,12 @@ describe Gitlab::Git::Repository, seed_helper: true do
   end
   context '#submodules' do
+    around do |example|
+      Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+        example.run
+      end
+    end
+
     let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '') }
     context 'where repo has submodules' do
@@ -474,8 +488,8 @@ describe Gitlab::Git::Repository, seed_helper: true do
           # Sanity check
           expect(repository.has_local_branches?).to eq(true)
-          FileUtils.rm_rf(File.join(repository.path, 'packed-refs'))
-          heads_dir = File.join(repository.path, 'refs/heads')
+          FileUtils.rm_rf(File.join(repository_path, 'packed-refs'))
+          heads_dir = File.join(repository_path, 'refs/heads')
           FileUtils.rm_rf(heads_dir)
           FileUtils.mkdir_p(heads_dir)
@@ -516,10 +530,10 @@ describe Gitlab::Git::Repository, seed_helper: true do
         branch_name = "to-be-deleted-soon"
         repository.create_branch(branch_name)
-        expect(repository.rugged.branches[branch_name]).not_to be_nil
+        expect(repository_rugged.branches[branch_name]).not_to be_nil
         repository.delete_branch(branch_name)
-        expect(repository.rugged.branches[branch_name]).to be_nil
+        expect(repository_rugged.branches[branch_name]).to be_nil
       end
       context "when branch does not exist" do
@@ -577,6 +591,12 @@ describe Gitlab::Git::Repository, seed_helper: true do
     shared_examples 'deleting refs' do
       let(:repo) { Gitlab::Git::Repository.new('default', TEST_MUTABLE_REPO_PATH, '') }
+      def repo_rugged
+        Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+          repo.rugged
+        end
+      end
+
       after do
         ensure_seeds
       end
@@ -584,7 +604,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
       it 'deletes the ref' do
         repo.delete_refs('refs/heads/feature')
-        expect(repo.rugged.references['refs/heads/feature']).to be_nil
+        expect(repo_rugged.references['refs/heads/feature']).to be_nil
       end
       it 'deletes all refs' do
@@ -592,7 +612,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
         repo.delete_refs(*refs)
         refs.each do |ref|
-          expect(repo.rugged.references[ref]).to be_nil
+          expect(repo_rugged.references[ref]).to be_nil
         end
       end
@@ -615,7 +635,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
   end
   describe '#branch_names_contains_sha' do
-    let(:head_id) { repository.rugged.head.target.oid }
+    let(:head_id) { repository_rugged.head.target.oid }
     let(:new_branch) { head_id }
     let(:utf8_branch) { 'branch-é' }
@@ -699,7 +719,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
       it 'fetches a repository as a mirror remote' do
         subject
-        expect(refs(new_repository.path)).to eq(refs(repository.path))
+        expect(refs(new_repository_path)).to eq(refs(repository_path))
       end
       context 'with keep-around refs' do
@@ -708,15 +728,15 @@ describe Gitlab::Git::Repository, seed_helper: true do
         let(:tmp_ref) { "refs/tmp/#{SecureRandom.hex}" }
         before do
-          repository.rugged.references.create(keep_around_ref, sha, force: true)
-          repository.rugged.references.create(tmp_ref, sha, force: true)
+          repository_rugged.references.create(keep_around_ref, sha, force: true)
+          repository_rugged.references.create(tmp_ref, sha, force: true)
         end
         it 'includes the temporary and keep-around refs' do
           subject
-          expect(refs(new_repository.path)).to include(keep_around_ref)
-          expect(refs(new_repository.path)).to include(tmp_ref)
+          expect(refs(new_repository_path)).to include(keep_around_ref)
+          expect(refs(new_repository_path)).to include(tmp_ref)
         end
       end
     end
@@ -728,6 +748,12 @@ describe Gitlab::Git::Repository, seed_helper: true do
     context 'with gitaly enabled', :skip_gitaly_mock do
       it_behaves_like 'repository mirror fecthing'
     end
+
+    def new_repository_path
+      Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+        new_repository.path
+      end
+    end
   end
   describe '#remote_tags' do
@@ -739,10 +765,17 @@ describe Gitlab::Git::Repository, seed_helper: true do
       Gitlab::Git::Repository.new('default', TEST_MUTABLE_REPO_PATH, '')
     end
+    around do |example|
+      Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+        example.run
+      end
+    end
+
     subject { repository.remote_tags(remote_name) }
     before do
-      repository.add_remote(remote_name, remote_repository.path)
+      remote_repository_path = Gitlab::GitalyClient::StorageSettings.allow_disk_access { remote_repository.path }
+      repository.add_remote(remote_name, remote_repository_path)
       remote_repository.add_tag(tag_name, user: user, target: target_commit_id)
     end
@@ -975,8 +1008,10 @@ describe Gitlab::Git::Repository, seed_helper: true do
         let(:options) { { ref: 'master', path: ['PROCESS.md', 'README.md'] } }
         def commit_files(commit)
-          commit.rugged_diff_from_parent.deltas.flat_map do |delta|
-            [delta.old_file[:path], delta.new_file[:path]].uniq.compact
+          Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+            commit.rugged_diff_from_parent.deltas.flat_map do |delta|
+              [delta.old_file[:path], delta.new_file[:path]].uniq.compact
+            end
           end
         end
@@ -1019,6 +1054,12 @@ describe Gitlab::Git::Repository, seed_helper: true do
   end
   describe "#rugged_commits_between" do
+    around do |example|
+      Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+        example.run
+      end
+    end
+
     context 'two SHAs' do
       let(:first_sha) { 'b0e52af38d7ea43cf41d8a6f2471351ac036d6c9' }
       let(:second_sha) { '0e50ec4d3c7ce42ab74dda1d422cb2cbffe1e326' }
@@ -1363,7 +1404,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
         allow(ref).to receive(:target) { raise Rugged::ReferenceError }
         branches = double()
         allow(branches).to receive(:each) { [ref].each }
-        allow(repository.rugged).to receive(:branches) { branches }
+        allow(repository_rugged).to receive(:branches) { branches }
         expect(subject).to be_empty
       end
@@ -1661,6 +1702,12 @@ describe Gitlab::Git::Repository, seed_helper: true do
   describe '#batch_existence' do
     let(:refs) { ['deadbeef', SeedRepo::RubyBlob::ID, '909e6157199'] }
+    around do |example|
+      Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+        example.run
+      end
+    end
+
     it 'returns existing refs back' do
       result = repository.batch_existence(refs)
@@ -1840,7 +1887,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
       context 'when the branch exists' do
         context 'when the commit does not exist locally' do
           let(:source_branch) { 'new-branch-for-fetch-source-branch' }
-          let(:source_rugged) { source_repository.rugged }
+          let(:source_rugged) { Gitlab::GitalyClient::StorageSettings.allow_disk_access { source_repository.rugged } }
           let(:new_oid) { new_commit_edit_old_file(source_rugged).oid }
           before do
@@ -1898,7 +1945,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
       it "removes the branch from the repo" do
         repository.rm_branch(branch_name, user: user)
-        expect(repository.rugged.branches[branch_name]).to be_nil
+        expect(repository_rugged.branches[branch_name]).to be_nil
       end
     end
@@ -1930,7 +1977,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
   describe '#write_config' do
     before do
-      repository.rugged.config["gitlab.fullpath"] = repository.path
+      repository_rugged.config["gitlab.fullpath"] = repository_path
     end
     shared_examples 'writing repo config' do
@@ -1938,7 +1985,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
         it 'writes it to disk' do
           repository.write_config(full_path: "not-the/real-path.git")
-          config = File.read(File.join(repository.path, "config"))
+          config = File.read(File.join(repository_path, "config"))
           expect(config).to include("[gitlab]")
           expect(config).to include("fullpath = not-the/real-path.git")
@@ -1949,10 +1996,10 @@ describe Gitlab::Git::Repository, seed_helper: true do
         it 'does not write it to disk' do
           repository.write_config(full_path: "")
-          config = File.read(File.join(repository.path, "config"))
+          config = File.read(File.join(repository_path, "config"))
           expect(config).to include("[gitlab]")
-          expect(config).to include("fullpath = #{repository.path}")
+          expect(config).to include("fullpath = #{repository_path}")
         end
       end
     end
@@ -2173,7 +2220,11 @@ describe Gitlab::Git::Repository, seed_helper: true do
   describe '#gitlab_projects' do
     subject { repository.gitlab_projects }
-    it { expect(subject.shard_path).to eq(storage_path) }
+    it do
+      Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+        expect(subject.shard_path).to eq(storage_path)
+      end
+    end
     it { expect(subject.repository_relative_path).to eq(repository.relative_path) }
   end
@@ -2189,7 +2240,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
         repository.bundle_to_disk(save_path)
         success = system(
-          *%W(#{Gitlab.config.git.bin_path} -C #{repository.path} bundle verify #{save_path}),
+          *%W(#{Gitlab.config.git.bin_path} -C #{repository_path} bundle verify #{save_path}),
           [:out, :err] => '/dev/null'
         )
         expect(success).to be true
@@ -2231,7 +2282,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
       it 'creates a symlink to the global hooks dir' do
         imported_repo.create_from_bundle(bundle_path)
-        hooks_path = File.join(imported_repo.path, 'hooks')
+        hooks_path = Gitlab::GitalyClient::StorageSettings.allow_disk_access { File.join(imported_repo.path, 'hooks') }
         expect(File.readlink(hooks_path)).to eq(Gitlab.config.gitlab_shell.hooks_path)
       end
@@ -2360,7 +2411,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
     end
     describe '#clean_stale_repository_files' do
-      let(:worktree_path) { File.join(repository.path, 'worktrees', 'delete-me') }
+      let(:worktree_path) { File.join(repository_path, 'worktrees', 'delete-me') }
       it 'cleans up the files' do
         repository.with_worktree(worktree_path, 'master', env: ENV) do
@@ -2507,7 +2558,7 @@ describe Gitlab::Git::Repository, seed_helper: true do
   def create_remote_branch(repository, remote_name, branch_name, source_branch_name)
     source_branch = repository.branches.find { |branch| branch.name == source_branch_name }
-    rugged = repository.rugged
+    rugged = repository_rugged
     rugged.references.create("refs/remotes/#{remote_name}/#{branch_name}", source_branch.dereferenced_target.sha)
   end
@@ -2586,4 +2637,16 @@ describe Gitlab::Git::Repository, seed_helper: true do
       line.split("\t").last
     end
   end
+
+  def repository_rugged
+    Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+      repository.rugged
+    end
+  end
+
+  def repository_path
+    Gitlab::GitalyClient::StorageSettings.allow_disk_access do
+      repository.path
+    end
+  end
 end

spec/support/gitaly.rb

@@ -7,7 +7,10 @@ RSpec.configure do |config|
       next if example.metadata[:skip_gitaly_mock]
       # Use 'and_wrap_original' to make sure the arguments are valid
-      allow(Gitlab::GitalyClient).to receive(:feature_enabled?).and_wrap_original { |m, *args| m.call(*args) || true }
+      allow(Gitlab::GitalyClient).to receive(:feature_enabled?).and_wrap_original do |m, *args|
+        m.call(*args)
+        !Gitlab::GitalyClient::EXPLICIT_OPT_IN_REQUIRED.include?(args.first)
+      end
     end
   end
 end