Backport: ovirt_vm fix cd attachment (ansible#70932)

* Backport: ovirt_vm fix cd attachment

* add changelog

* fix formats

* Update changelogs/fragments/70932-ovirt_vm-fix-cd_iso-search.yml

Co-authored-by: Rick Elrod <rick@elrod.me>

changelogs/fragments/70932-ovirt_vm-fix-cd_iso-search.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- ovirt_vm - fix cd_iso search

lib/ansible/modules/cloud/ovirt/ovirt_vm.py

@@ -306,7 +306,7 @@
     cd_iso:
         description:
             - ISO file from ISO storage domain which should be attached to Virtual Machine.
-            - If you have multiple ISO disks with the same name use disk ID to specify which should be used.
+            - If you have multiple ISO disks with the same name use disk ID to specify which should be used or use C(storage_domain) to filter disks.
             - If you pass empty string the CD will be ejected from VM.
             - If used with C(state) I(running) or I(present) and VM is running the CD will be attached to VM.
             - If used with C(state) I(running) or I(present) and VM is down the CD will be attached to VM persistently.
@@ -1677,15 +1677,29 @@ def _post_start_action(self, entity):
         self._wait_for_UP(vm_service)
         self._attach_cd(vm_service.get())
 
+    def __get_cds_from_sds(self, sds):
+        for sd in sds:
+            if sd.type == otypes.StorageDomainType.ISO:
+                disks = sd.files
+            elif sd.type == otypes.StorageDomainType.DATA:
+                disks = sd.disks
+            else:
+                continue
+            disks = list(filter(lambda x: (x.name == self.param('cd_iso') or x.id == self.param('cd_iso')) and
+                                (sd.type == otypes.StorageDomainType.ISO or x.content_type == otypes.DiskContentType.ISO),
+                                self._connection.follow_link(disks)))
+            if disks:
+                return disks
+
     def __get_cd_id(self):
-        disks_service = self._connection.system_service().disks_service()
-        disks = disks_service.list(search='name="{0}"'.format(self.param('cd_iso')))
+        sds_service = self._connection.system_service().storage_domains_service()
+        sds = sds_service.list(search='name="{0}"'.format(self.param('storage_domain') if self.param('storage_domain') else "*"))
+        disks = self.__get_cds_from_sds(sds)
+        if not disks:
+            raise ValueError('Was not able to find disk with name or id "{0}".'.format(self.param('cd_iso')))
         if len(disks) > 1:
             raise ValueError('Found mutiple disks with same name "{0}" please use \
                 disk ID in "cd_iso" to specify which disk should be used.'.format(self.param('cd_iso')))
-        if not disks:
-            # The `cd_iso` is valid disk ID returning to _attach_cd
-            return disks_service.disk_service(self.param('cd_iso')).get().id
         return disks[0].id
 
     def _attach_cd(self, entity):