Add class to let us centralize shared_configs

app/models/host_settings.rb

@@ -0,0 +1,12 @@
+# Lets us consolidate shared_configs for almost identical machines
+class HostSettings
+  # @return [Config::Options] key/value pairs of name: file_path
+  def self.storage_roots
+    @storage_roots ||= Settings.storage_root_map[parsed_hostname]
+  end
+
+  # @return [String] modified hostname
+  def self.parsed_hostname
+    Socket.gethostname.tr('-', '_')
+  end
+end

config/settings/development.yml

@@ -5,4 +5,12 @@ moab:
     fixture_sr1: 'spec/fixtures/storage_root01'
     fixture_sr2: 'spec/fixtures/storage_root02'
     fixture_sr3: 'spec/fixtures/checksum_root01'
+storage_root_map:
+  preservation_catalog_prod:
+    fixture_sr1: 'spec/fixtures/storage_root01'
+    fixture_sr2: 'spec/fixtures/storage_root02'
+    fixture_sr3: 'spec/fixtures/checksum_root01'
+  preservation_catalog_prod_a:
+    fixture_sr1: 'spec/fixtures/storage_root01'
+    fixture_sr2: 'spec/fixtures/storage_root02'
 workflow_services_url: 'https://sul-lyberservices-test.stanford.edu/workflow/'

config/settings/test.yml

@@ -6,3 +6,14 @@ moab:
     fixture_sr2: 'spec/fixtures/storage_root02'
     fixture_sr3: 'spec/fixtures/checksum_root01'
     fixture_empty: 'spec/fixtures/empty'
+storage_root_map:
+  default:
+    fixture_sr1: 'spec/fixtures/storage_root01'
+    fixture_sr2: 'spec/fixtures/storage_root02'
+  preservation_catalog_prod:
+    fixture_sr1: 'spec/fixtures/storage_root01'
+    fixture_sr2: 'spec/fixtures/storage_root02'
+    fixture_sr3: 'spec/fixtures/checksum_root01'
+  preservation_catalog_prod_a:
+    fixture_sr1: 'spec/fixtures/storage_root01'
+    fixture_sr2: 'spec/fixtures/storage_root02'

spec/models/host_settings_spec.rb

@@ -0,0 +1,18 @@
+require 'rails_helper'
+
+RSpec.describe HostSettings do
+  describe '.storage_roots' do
+    it 'gets the correct values' do
+      expect(described_class).to receive(:parsed_hostname).and_return('default')
+      expect(described_class.storage_roots.to_h).to eq(fixture_sr1: 'spec/fixtures/storage_root01',
+                                                       fixture_sr2: 'spec/fixtures/storage_root02')
+    end
+  end
+
+  describe '.parsed_hostname' do
+    it 'makes hyphens into underscores' do
+      expect(Socket).to receive(:gethostname).and_return('preservation-catalog-prod-a')
+      expect(described_class.parsed_hostname).to eq('preservation_catalog_prod_a')
+    end
+  end
+end