Use the new OvirtSDK for refresh

app/models/manageiq/providers/redhat/infra_manager/api_integration.rb

@@ -56,7 +56,7 @@ def connect(options = {})
     connection = self.class.public_send(connect_method, connect_options)
 
     # Copy the API path to the endpoints table:
-    default_endpoint.path = version == 4 ? '/ovirt-engine/api' : connection.api_path
+    default_endpoint.path = version.to_i == 4 ? '/ovirt-engine/api' : connection.api_path
 
     connection
   end
@@ -137,7 +137,7 @@ def with_provider_connection(options = {})
 
   def verify_credentials_for_rhevm(options = {})
     require 'ovirt'
-    with_provider_connection(options, &:api)
+    with_provider_connection(options) { |connection| connection.test(true) }
   rescue SocketError, Errno::EHOSTUNREACH, Errno::ENETUNREACH
     _log.warn($ERROR_INFO)
     raise MiqException::MiqUnreachableError, $ERROR_INFO
@@ -230,6 +230,15 @@ def highest_supported_api_version
     supported_api_versions.sort.last
   end
 
+  def highest_allowed_api_version
+    return 3 unless use_ovirt_sdk?
+    highest_supported_api_version
+  end
+
+  def use_ovirt_sdk?
+    ::Settings.ems.ems_redhat.use_ovirt_engine_sdk
+  end
+
   class_methods do
     def api3_supported_features
       []
@@ -276,7 +285,7 @@ def raw_connect_v4(options = {})
         :scheme => options[:scheme],
         :host   => options[:server],
         :port   => options[:port],
-        :path   => options[:path]
+        :path   => options[:path] || '/ovirt-engine/api'
       )
 
       OvirtSDK4::Connection.new(
@@ -310,7 +319,14 @@ def raw_connect_v3(options = {})
       params[:timeout]      = read_timeout if read_timeout
       params[:open_timeout] = open_timeout if open_timeout
       const = options[:service] == "Inventory" ? OvirtInventory : Ovirt.const_get(options[:service])
-      const.new(params)
+      conn = const.new(params)
+      OvirtConnectionDecorator.new(conn)
+    end
+
+    class OvirtConnectionDecorator < SimpleDelegator
+      def test(_raise_exceptions)
+        api
+      end
     end
 
     def default_history_database_name

app/models/manageiq/providers/redhat/infra_manager/event_parser.rb

@@ -78,7 +78,7 @@ def self.parse_new_target(full_data, message, ems, event_type)
 
   def self.parse_new_vm(vm, message, event_type, ems)
     ems_ref = ManageIQ::Providers::Redhat::InfraManager.make_ems_ref(vm[:href])
-    parser = ManageIQ::Providers::Redhat::InfraManager::Refresh::Parse::ParserBuilder.new(ems).build
+    parser = ManageIQ::Providers::Redhat::InfraManager::Refresh::Parse::ParserBuilder.new(ems, :force_version => 3).build
     parser.create_vm_hash(ems_ref.include?('/templates/'), ems_ref, vm[:id], parse_target_name(message, event_type))
   end
 

app/models/manageiq/providers/redhat/infra_manager/inventory.rb

@@ -0,0 +1,3 @@
+module ManageIQ::Providers::Redhat::InfraManager::Inventory
+  require_nested :Inventory
+end

app/models/manageiq/providers/redhat/infra_manager/inventory/builder.rb

@@ -0,0 +1,15 @@
+module ManageIQ::Providers::Redhat::InfraManager::Inventory
+  class Builder
+    attr_reader :ext_management_system
+
+    def initialize(ems)
+      @ext_management_system = ems
+    end
+
+    def build
+      strategy_model = ManageIQ::Providers::Redhat::InfraManager::Inventory::Strategies
+      api_version = ext_management_system.highest_allowed_api_version
+      "#{strategy_model}::V#{api_version}".constantize
+    end
+  end
+end

app/models/manageiq/providers/redhat/infra_manager/inventory/inventory.rb

@@ -0,0 +1,4 @@
+module ManageIQ::Providers::Redhat::InfraManager::Inventory
+  class Error < StandardError; end
+  class VmNotReadyToBoot < Error; end
+end

app/models/manageiq/providers/redhat/infra_manager/inventory/strategies/v3.rb

@@ -0,0 +1,9 @@
+module ManageIQ::Providers::Redhat::InfraManager::Inventory::Strategies
+  class V3
+    attr_reader :ext_management_system
+
+    def initialize(args)
+      @ext_management_system = args[:ems]
+    end
+  end
+end

app/models/manageiq/providers/redhat/infra_manager/inventory/strategies/v4.rb

@@ -0,0 +1,184 @@
+module ManageIQ::Providers::Redhat::InfraManager::Inventory::Strategies
+  class V4
+    attr_accessor :connection
+    attr_reader :ems
+
+    def initialize(args)
+      @ems = args[:ems]
+    end
+
+    def host_targeted_refresh(target)
+      @ems.with_provider_connection(:version => 4) do |connection|
+        @connection = connection
+        res = {}
+        res[:host] = collect_host(get_uuid_from_target(target))
+        res
+      end
+    end
+
+    def vm_targeted_refresh(target)
+      @ems.with_provider_connection(:version => 4) do |connection|
+        @connection = connection
+        vm_id = get_uuid_from_target(target)
+        res = {}
+        res[:cluster] = collect_clusters
+        res[:datacenter] = collect_datacenters
+        res[:vm] = collect_vm_by_uuid(vm_id)
+        res[:storage] = target.storages.empty? ? collect_storages : collect_storage(target.storages.map { |s| get_uuid_from_target(s) })
+        res[:template] = search_templates("vm.id=#{vm_id}")
+        res
+      end
+    end
+
+    def get_uuid_from_href(ems_ref)
+      URI(ems_ref).path.split('/').last
+    end
+
+    def get_uuid_from_target(object)
+      get_uuid_from_href(object.ems_ref)
+    end
+
+    def refresh
+      @ems.with_provider_connection(:version => 4) do |connection|
+        @connection = connection
+        res = {}
+        res[:cluster] = collect_clusters
+        res[:storage] = collect_storages
+        res[:host] = collect_hosts
+        res[:vm] = collect_vms
+        res[:template] = collect_templates
+        res[:network] = collect_networks
+        res[:datacenter] = collect_datacenters
+        res
+      end
+    end
+
+    def collect_clusters
+      connection.system_service.clusters_service.list
+    end
+
+    def collect_storages
+      connection.system_service.storage_domains_service.list
+    end
+
+    def collect_storage(uuids)
+      uuids.collect do |uuid|
+        connection.system_service.storage_domains_service.storage_domain_service(uuid).get
+      end
+    end
+
+    def collect_hosts
+      connection.system_service.hosts_service.list.collect do |h|
+        HostPreloadedAttributesDecorator.new(h, connection)
+      end
+    end
+
+    def collect_host(uuid)
+      host = connection.system_service.hosts_service.host_service(uuid).get
+      [HostPreloadedAttributesDecorator.new(host, connection)]
+    end
+
+    def collect_vms
+      connection.system_service.vms_service.list.collect do |vm|
+        VmPreloadedAttributesDecorator.new(vm, connection)
+      end
+    end
+
+    def collect_vm_by_uuid(uuid)
+      vm = connection.system_service.vms_service.vm_service(uuid).get
+      [VmPreloadedAttributesDecorator.new(vm, connection)]
+    end
+
+    def collect_templates
+      connection.system_service.templates_service.list.collect do |template|
+        TemplatePreloadedAttributesDecorator.new(template, connection)
+      end
+    end
+
+    def search_templates(search)
+      connection.system_service.templates_service.list(:search => search).collect do |template|
+        TemplatePreloadedAttributesDecorator.new(template, connection)
+      end
+    end
+
+    def collect_networks
+      connection.system_service.networks_service.list
+    end
+
+    def collect_datacenters
+      connection.system_service.data_centers_service.list.collect do |datacenter|
+        DatacenterPreloadedAttributesDecorator.new(datacenter, connection)
+      end
+    end
+
+    def api
+      @ems.with_provider_connection(:version => 4) do |connection|
+        connection.system_service.get.product_info.version.full_version
+      end
+    end
+
+    def service
+      @ems.with_provider_connection(:version => 4) do |connection|
+        OpenStruct.new(:version_string => connection.system_service.get.product_info.version.full_version)
+      end
+    end
+
+    class HostPreloadedAttributesDecorator < SimpleDelegator
+      attr_reader :nics, :statistics
+      def initialize(host, connection)
+        @obj = host
+        @nics = connection.follow_link(host.nics)
+        @statistics = connection.follow_link(host.statistics)
+        super(host)
+      end
+    end
+
+    class DatacenterPreloadedAttributesDecorator < SimpleDelegator
+      attr_reader :storage_domains
+      def initialize(datacenter, connection)
+        @obj = datacenter
+        @storage_domains = connection.follow_link(datacenter.storage_domains)
+        super(datacenter)
+      end
+    end
+
+    class VmPreloadedAttributesDecorator < SimpleDelegator
+      attr_reader :disks, :nics, :reported_devices, :snapshots
+      def initialize(vm, connection)
+        @obj = vm
+        @disks = self.class.get_attached_disks(vm, connection)
+        @nics = connection.follow_link(vm.nics)
+        @reported_devices = connection.follow_link(vm.reported_devices)
+        @snapshots = connection.follow_link(vm.snapshots)
+        super(vm)
+      end
+
+      def self.get_attached_disks(vm, connection)
+        AttachedDisksFetcher.get_attached_disks(vm, connection)
+      end
+    end
+
+    class AttachedDisksFetcher
+      def self.get_attached_disks(disks_owner, connection)
+        attachments = connection.follow_link(disks_owner.disk_attachments)
+        attachments.map do |attachment|
+          res = connection.follow_link(attachment.disk)
+          res.interface = attachment.interface
+          res.bootable = attachment.bootable
+          res.active = attachment.active
+          res
+        end
+      end
+    end
+
+    class TemplatePreloadedAttributesDecorator < SimpleDelegator
+      attr_reader :disks, :nics
+      def initialize(template, connection)
+        @obj = template
+        @disks = AttachedDisksFetcher.get_attached_disks(template, connection)
+        @nics = connection.follow_link(template.nics)
+        super(template)
+      end
+    end
+  end
+end

app/models/manageiq/providers/redhat/infra_manager/refresh/parse/parser_builder.rb

@@ -1,14 +1,15 @@
 module ManageIQ::Providers::Redhat::InfraManager::Refresh::Parse
   class ParserBuilder
-    attr_reader :ext_management_system
+    attr_reader :ext_management_system, :force_version
 
-    def initialize(ems)
+    def initialize(ems, options = {})
       @ext_management_system = ems
+      @force_version = options[:force_version]
     end
 
     def build
       parse_model = ManageIQ::Providers::Redhat::InfraManager::Refresh::Parse::Strategies
-      api_version = ext_management_system.highest_supported_api_version
+      api_version = force_version || ext_management_system.highest_allowed_api_version
       "#{parse_model}::Api#{api_version}".constantize
     end
   end