diff --git a/app/helpers/proxmox_compute_resources_helper.rb b/app/helpers/proxmox_compute_resources_helper.rb
index ef1027484..e9b99f8c2 100644
--- a/app/helpers/proxmox_compute_resources_helper.rb
+++ b/app/helpers/proxmox_compute_resources_helper.rb
@@ -34,7 +34,7 @@ def user_token_expiration_date(compute_resource)
   def cluster_nodes(compute_resource)
     nodes = compute_resource.nodes ? compute_resource.nodes.collect(&:node) : []
   rescue ::Foreman::Exception => e
-    return [] if e.message == 'User token expired'
+    [] if e.message == 'User token expired'
   rescue StandardError => e
     logger.warn("failed to get cluster nodes: #{e}")
     raise e
diff --git a/app/helpers/proxmox_form_helper.rb b/app/helpers/proxmox_form_helper.rb
index 3d7a742a0..5c793ec56 100644
--- a/app/helpers/proxmox_form_helper.rb
+++ b/app/helpers/proxmox_form_helper.rb
@@ -30,7 +30,7 @@ def password_proxmox_f(f, attr, options = {})
         addClass options, 'form-control'
         pass = f.password_field(attr, options) +
                tag(:span, '', class: 'glyphicon glyphicon-warning-sign input-addon', title: 'Caps lock ON',
-style: 'display:none')
+                 style: 'display:none')
         if unset_button
           button = link_to_function(icon_text('edit', '', :kind => 'pficon'), 'toggle_input_group(this)',
             :id => 'disable-pass-btn', :class => 'btn btn-default', :title => _('Change the password'))
@@ -56,7 +56,7 @@ def new_child_fields_template_typed(form_builder, association, options = {})
     options[:form_builder_attrs] ||= {}
 
     content_tag(:div, :class => "#{options[:type]}_#{association}_fields_template form_template",
-:style => 'display: none;') do
+      :style => 'display: none;') do
       form_builder.fields_for(association, options[:object],
         :child_index => "new_#{options[:type]}_#{association}") do |f|
         render(:partial => options[:partial], :layout => options[:layout],
diff --git a/app/helpers/proxmox_vm_interfaces_helper.rb b/app/helpers/proxmox_vm_interfaces_helper.rb
index 9202e1a9c..9456a4e8b 100644
--- a/app/helpers/proxmox_vm_interfaces_helper.rb
+++ b/app/helpers/proxmox_vm_interfaces_helper.rb
@@ -56,13 +56,13 @@ def interface_compute_attributes_typed_keys(type)
   end
 
   def interface_common_typed_keys(type)
-    ['id', type == 'qemu' ? 'macaddr' : 'hwaddr']
+    ['id', (type == 'qemu') ? 'macaddr' : 'hwaddr']
   end
 
   def compute_dhcps(interface_attributes_h)
-    interface_attributes_h[:dhcp] = interface_attributes_h[:ip] == 'dhcp' ? '1' : '0'
+    interface_attributes_h[:dhcp] = (interface_attributes_h[:ip] == 'dhcp') ? '1' : '0'
     interface_attributes_h[:ip] = '' if interface_attributes_h[:dhcp] == '1'
-    interface_attributes_h[:dhcp6] = interface_attributes_h[:ip6] == 'dhcp' ? '1' : '0'
+    interface_attributes_h[:dhcp6] = (interface_attributes_h[:ip6] == 'dhcp') ? '1' : '0'
     interface_attributes_h[:ip6] = '' if interface_attributes_h[:dhcp6] == '1'
   end
 
diff --git a/app/models/concerns/fog_extensions/proxmox/node.rb b/app/models/concerns/fog_extensions/proxmox/node.rb
index 85cf70698..7d413cb04 100644
--- a/app/models/concerns/fog_extensions/proxmox/node.rb
+++ b/app/models/concerns/fog_extensions/proxmox/node.rb
@@ -31,7 +31,7 @@ def each(collection_filters = {}, &block)
             # We need to explicitly use the base 'each' method here on the page,
             #  otherwise we get infinite recursion
             base_each = Fog::Collection.instance_method(:each)
-            base_each.bind(page).call(&block)
+            base_each.bind_call(page, &block)
           end
         end
         self
diff --git a/app/models/foreman_fog_proxmox/proxmox_compute_attributes.rb b/app/models/foreman_fog_proxmox/proxmox_compute_attributes.rb
index 9e18a56c8..c80464eee 100644
--- a/app/models/foreman_fog_proxmox/proxmox_compute_attributes.rb
+++ b/app/models/foreman_fog_proxmox/proxmox_compute_attributes.rb
@@ -30,7 +30,7 @@ def host_compute_attrs(host)
         unless compute_os_types(host).include?(ostype)
           raise ::Foreman::Exception,
             format(_('Operating system family %<type>s is not consistent with %<ostype>s'), type: host.operatingsystem.type,
-ostype: ostype)
+              ostype: ostype)
         end
       end
       super
@@ -42,8 +42,8 @@ def not_config_key?(vm, key)
 
     def interface_compute_attributes(interface_attributes)
       vm_attrs = ForemanFogProxmox::HashCollection.new_hash_reject_keys(interface_attributes, [:identifier, :macaddr, :hwaddr])
-      vm_attrs[:dhcp] = interface_attributes[:ip] == 'dhcp' ? '1' : '0'
-      vm_attrs[:dhcp6] = interface_attributes[:ip6] == 'dhcp' ? '1' : '0'
+      vm_attrs[:dhcp] = (interface_attributes[:ip] == 'dhcp') ? '1' : '0'
+      vm_attrs[:dhcp6] = (interface_attributes[:ip6] == 'dhcp') ? '1' : '0'
       vm_attrs
     end
 
diff --git a/app/models/foreman_fog_proxmox/proxmox_version.rb b/app/models/foreman_fog_proxmox/proxmox_version.rb
index 8adb036c1..c8e414430 100644
--- a/app/models/foreman_fog_proxmox/proxmox_version.rb
+++ b/app/models/foreman_fog_proxmox/proxmox_version.rb
@@ -36,7 +36,7 @@ def version
       v = identity_client.read_version if identity_client
       v ? v['version'] : 'Unknown'
     rescue ::Foreman::Exception => e
-      return 'Unkown' if e.message == 'User token expired'
+      'Unkown' if e.message == 'User token expired'
     rescue StandardError => e
       logger.warn("failed to get identity client version: #{e}")
       raise e
diff --git a/app/models/foreman_fog_proxmox/proxmox_vm_commands.rb b/app/models/foreman_fog_proxmox/proxmox_vm_commands.rb
index 7cf90de20..65331edbb 100644
--- a/app/models/foreman_fog_proxmox/proxmox_vm_commands.rb
+++ b/app/models/foreman_fog_proxmox/proxmox_vm_commands.rb
@@ -55,7 +55,7 @@ def create_vm(args = {})
     end
 
     def assign_vmid(vmid, node)
-      vmid < 1 ? node.servers.next_id : vmid
+      (vmid < 1) ? node.servers.next_id : vmid
     end
 
     def compute_clone_attributes(args, container, type)
diff --git a/app/models/foreman_fog_proxmox/proxmox_vm_new.rb b/app/models/foreman_fog_proxmox/proxmox_vm_new.rb
index e8a97c43a..e3de34743 100644
--- a/app/models/foreman_fog_proxmox/proxmox_vm_new.rb
+++ b/app/models/foreman_fog_proxmox/proxmox_vm_new.rb
@@ -191,7 +191,7 @@ def new_typed_vm(new_attr, type)
       new_attr_type ||= type
       logger.debug("new_typed_vm(#{type}): new_attr_type=#{new_attr_type}")
       logger.debug("new_typed_vm(#{type}): new_attr=#{new_attr}'")
-      options = !new_attr.key?('vmid') || ForemanFogProxmox::Value.empty?(new_attr['vmid']) ? vm_typed_instance_defaults(type).merge(new_attr).merge(type: type) : new_attr
+      options = (!new_attr.key?('vmid') || ForemanFogProxmox::Value.empty?(new_attr['vmid'])) ? vm_typed_instance_defaults(type).merge(new_attr).merge(type: type) : new_attr
       logger.debug("new_typed_vm(#{type}): options=#{options}")
       vm_h = parse_typed_vm(options, type).deep_symbolize_keys
       logger.debug("new_typed_vm(#{type}): vm_h=#{vm_h}")
diff --git a/config/routes.rb b/config/routes.rb
index c5e7e2074..c29b7902f 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -20,15 +20,15 @@
 Rails.application.routes.draw do
   namespace :foreman_fog_proxmox do
     match 'isos/:compute_resource_id/:node_id/:storage', :to => 'compute_resources#isos_by_id_and_node_and_storage',
-:via => 'get'
+      :via => 'get'
     match 'ostemplates/:compute_resource_id/:node_id/:storage',
       :to => 'compute_resources#ostemplates_by_id_and_node_and_storage', :via => 'get'
     match 'isos/:compute_resource_id/:node_id', :to => 'compute_resources#isos_by_id_and_node', :via => 'get'
     match 'ostemplates/:compute_resource_id/:node_id', :to => 'compute_resources#ostemplates_by_id_and_node',
-:via => 'get'
+      :via => 'get'
     match 'storages/:compute_resource_id/:node_id', :to => 'compute_resources#storages_by_id_and_node', :via => 'get'
     match 'isostorages/:compute_resource_id/:node_id', :to => 'compute_resources#iso_storages_by_id_and_node',
-:via => 'get'
+      :via => 'get'
     match 'bridges/:compute_resource_id/:node_id', :to => 'compute_resources#bridges_by_id_and_node', :via => 'get'
   end
 end
diff --git a/test/factories/proxmox_factory.rb b/test/factories/proxmox_factory.rb
index 537530438..4402fc571 100644
--- a/test/factories/proxmox_factory.rb
+++ b/test/factories/proxmox_factory.rb
@@ -20,7 +20,7 @@
 require 'fog/proxmox/compute/models/node'
 
 FactoryBot.define do
-  factory :proxmox_resource, :class => ComputeResource do
+  factory :proxmox_resource, :class => 'ComputeResource' do
     sequence(:name) { |n| "compute_resource#{n}" }
     organizations { [Organization.find_by(name: 'Organization 1')] }
     locations { [Location.find_by(name: 'Location 1')] }
@@ -32,10 +32,10 @@
       url { 'https://192.168.56.101:8006/api2/json' }
     end
 
-    factory :proxmox_cr, :class => ForemanFogProxmox::Proxmox, :traits => [:proxmox]
+    factory :proxmox_cr, :class => 'ForemanFogProxmox::Proxmox', :traits => [:proxmox]
   end
 
-  factory :node, :class => Fog::Proxmox::Compute::Node do
+  factory :node, :class => 'Fog::Proxmox::Compute::Node' do
     sequence(:identity) { |n| "node#{n}" }
     trait :proxmox do
       identity { 'proxmox' }
@@ -43,7 +43,7 @@
     trait :service do
       service { :proxmox_cr }
     end
-    factory :proxmox_node, :class => Fog::Proxmox::Compute::Node, :traits => [:proxmox, :service]
+    factory :proxmox_node, :class => 'Fog::Proxmox::Compute::Node', :traits => [:proxmox, :service]
   end
 
   def deferred_nic_attrs
@@ -59,16 +59,16 @@ def set_nic_attributes(host, attributes, evaluator)
     host
   end
 
-  factory :nic_base_empty, :class => Nic::Base do
+  factory :nic_base_empty, :class => 'Nic::Base' do
     type { 'Nic::Base' }
   end
 
-  factory :nic_managed_empty, :class => Nic::Managed, :parent => :nic_base_empty do
+  factory :nic_managed_empty, :class => 'Nic::Managed', :parent => :nic_base_empty do
     type { 'Nic::Managed' }
     identifier { 'net0' }
   end
 
-  factory :host_empty, :class => Host do
+  factory :host_empty, :class => 'Host' do
     sequence(:name) { |n| "host#{n}" }
     sequence(:hostname) { |n| "host#{n}" }
     trait :compute_attributes do
diff --git a/test/unit/foreman_fog_proxmox/proxmox_compute_attributes_test.rb b/test/unit/foreman_fog_proxmox/proxmox_compute_attributes_test.rb
index 3294176ac..f4acaf1d0 100644
--- a/test/unit/foreman_fog_proxmox/proxmox_compute_attributes_test.rb
+++ b/test/unit/foreman_fog_proxmox/proxmox_compute_attributes_test.rb
@@ -62,7 +62,7 @@ class ProxmoxComputeAttributesTest < ActiveSupport::TestCase
 
       it 'sets container hostname with host name' do
         physical_nic = FactoryBot.build(:nic_base_empty, :identifier => 'net0', :primary => true,
-:compute_attributes => { 'dhcp' => '1', 'dhcp6' => '1' })
+          :compute_attributes => { 'dhcp' => '1', 'dhcp6' => '1' })
         host = FactoryBot.build(
           :host_empty,
           :interfaces => [physical_nic],
diff --git a/test/unit/foreman_fog_proxmox/proxmox_interfaces_test.rb b/test/unit/foreman_fog_proxmox/proxmox_interfaces_test.rb
index 656bd3b2c..7e4365a88 100644
--- a/test/unit/foreman_fog_proxmox/proxmox_interfaces_test.rb
+++ b/test/unit/foreman_fog_proxmox/proxmox_interfaces_test.rb
@@ -40,7 +40,7 @@ class ProxmoxInterfacesTest < ActiveSupport::TestCase
       it 'raises Foreman::Exception when server proxmox NIC id does not match net[k] with k integer' do
         compute_attributes = ActiveSupport::HashWithIndifferentAccess.new({ 'id' => 'dsfqsfqzef' })
         physical_nic = FactoryBot.build(:nic_base_empty, :identifier => 'eth0',
-:compute_attributes => compute_attributes)
+          :compute_attributes => compute_attributes)
         host = FactoryBot.build(
           :host_empty,
           :interfaces => [physical_nic],
@@ -58,7 +58,7 @@ class ProxmoxInterfacesTest < ActiveSupport::TestCase
         ip6 = Array.new(4) { format('%<x>s', x: rand(16**4)) }.join(':') + '::1'
         compute_attributes = ActiveSupport::HashWithIndifferentAccess.new({ 'id' => 'net0' })
         physical_nic = FactoryBot.build(:nic_base_empty, :identifier => 'net0', :ip => ip, :ip6 => ip6,
-:mac => mac_address, :compute_attributes => compute_attributes)
+          :mac => mac_address, :compute_attributes => compute_attributes)
         host = FactoryBot.build(
           :host_empty,
           :interfaces => [physical_nic],
@@ -75,7 +75,7 @@ class ProxmoxInterfacesTest < ActiveSupport::TestCase
       it 'raises Foreman::Exception when container proxmox NIC id does not match net[k] with k integer' do
         compute_attributes = ActiveSupport::HashWithIndifferentAccess.new({ 'id' => 'dsfqsfqzef' })
         physical_nic = FactoryBot.build(:nic_base_empty, :identifier => 'eth0',
-:compute_attributes => compute_attributes)
+          :compute_attributes => compute_attributes)
         host = FactoryBot.build(
           :host_empty,
           :interfaces => [physical_nic],
@@ -94,7 +94,7 @@ class ProxmoxInterfacesTest < ActiveSupport::TestCase
         compute_attributes = ActiveSupport::HashWithIndifferentAccess.new({ 'id' => 'net0', 'cidr' => cidr, 'gw' => ip,
 'ip' => ip, 'dhcp6' => '1' })
         physical_nic = FactoryBot.build(:nic_base_empty, :identifier => 'net0', :ip => ip, :ip6 => ip6,
-:compute_attributes => compute_attributes)
+          :compute_attributes => compute_attributes)
         host = FactoryBot.build(
           :host_empty,
           :interfaces => [physical_nic],
@@ -115,7 +115,7 @@ class ProxmoxInterfacesTest < ActiveSupport::TestCase
         compute_attributes = ActiveSupport::HashWithIndifferentAccess.new({ 'id' => 'net0', 'cidr6' => cidr6,
 'dhcp' => '1', 'gw6' => ip6 })
         physical_nic = FactoryBot.build(:nic_base_empty, :identifier => 'net0', :ip => ip, :ip6 => ip6,
-:compute_attributes => compute_attributes)
+          :compute_attributes => compute_attributes)
         host = FactoryBot.build(
           :host_empty,
           :interfaces => [physical_nic],
@@ -137,7 +137,7 @@ class ProxmoxInterfacesTest < ActiveSupport::TestCase
         compute_attributes = ActiveSupport::HashWithIndifferentAccess.new({ 'id' => 'net0', 'dhcp' => '1',
 'ip6' => ip6, 'firewall' => firewall })
         physical_nic = FactoryBot.build(:nic_base_empty, :identifier => 'net0', :ip => ip, :ip6 => ip6,
-:mac => mac_address, :compute_attributes => compute_attributes)
+          :mac => mac_address, :compute_attributes => compute_attributes)
         host = FactoryBot.build(
           :host_empty,
           :interfaces => [physical_nic],