Parse if a datastore is accessible from a host

Parse if a datastore is able to be accessed from a host into the
host_storage record.

https://bugzilla.redhat.com/show_bug.cgi?id=1668020

app/models/manageiq/providers/vmware/infra_manager/inventory/parser/datastore.rb

@@ -30,10 +30,11 @@ def parse_datastore_capability(storage_hash, props)
  def parse_datastore_host_mount(storage, datastore_ref, props)
  props[:host].to_a.each do |host_mount|
  persister.host_storages.build(
- :storage => storage,
- :host => persister.hosts.lazy_find(host_mount.key._ref),
- :ems_ref => datastore_ref,
- :read_only => host_mount.mountInfo.accessMode == "readOnly",
+ :storage => storage,
+ :host => persister.hosts.lazy_find(host_mount.key._ref),
+ :ems_ref => datastore_ref,
+ :read_only => host_mount.mountInfo.accessMode == "readOnly",
+ :accessible => host_mount.mountInfo.accessible,
  )
  end
  end

app/models/manageiq/providers/vmware/infra_manager/refresh_parser.rb

@@ -770,12 +770,15 @@ def self.host_inv_to_host_storages_hashes(inv, storage_inv, storage_uids)
  host_mount = Array.wrap(s_inv["host"]).detect { |host| host["key"] == inv["MOR"] }
  next if host_mount.nil?
 
- read_only = host_mount.fetch_path("mountInfo", "accessMode") == "readOnly"
+ mount_info = host_mount["mountInfo"] || {}
+ read_only = mount_info["accessMode"] == "readOnly"
+ accessible = mount_info["accessible"].present? ? mount_info["accessible"].to_s.downcase == "true" : true
 
  result << {
- :storage => storage_uids[s_mor],
- :read_only => read_only,
- :ems_ref => s_mor
+ :storage => storage_uids[s_mor],
+ :read_only => read_only,
+ :accessible => accessible,
+ :ems_ref => s_mor
  }
  end
 

spec/models/manageiq/providers/vmware/infra_manager/refresher_spec.rb

@@ -469,6 +469,13 @@ def assert_specific_host
  :location => "4dce5b88-623e8e7e-0dc0-00188b404015"
  )
 
+ expect(@host.host_storages.where(:accessible => false).count).to eq(1)
+ inaccessible_host_storage = @host.host_storages.where(:accessible => false).first
+ expect(inaccessible_host_storage.storage).to have_attributes(
+ :ems_ref => "datastore-12281",
+ :name => "StarM1-Backup1",
+ )
+
  expect(@host.operating_system).to have_attributes(
  :name => "VI4ESXM1.manageiq.com",
  :product_name => "ESXi",