handle aws_profile or aws_irsa on get_snapshot_interface_from_backup_…

…info

barman/cloud_providers/__init__.py

@@ -16,8 +16,12 @@
 # You should have received a copy of the GNU General Public License
 # along with Barman.  If not, see <http://www.gnu.org/licenses/>
 
+import logging
+
 from barman.exceptions import BarmanException, ConfigurationException
 
+_logger = logging.getLogger(__name__)
+
 
 class CloudProviderUnsupported(BarmanException):
     """
@@ -333,19 +337,29 @@ def get_snapshot_interface_from_backup_info(backup_info, config=None):
         # from the backup_info, unless a region is set in the config in which case the
         # config region takes precedence.
         region = None
+        profile = None
+        aws_irsa = False
         if config is not None:
             if hasattr(config, "aws_region"):
                 region = config.aws_region
             try:
-                if getattr(config, "aws_profile"):
-                    profile = config.aws_profile
+                if getattr(config, "aws_irsa"):
+                    aws_irsa = config.aws_irsa
             except AttributeError:
-                raise SystemExit(
-                    "Unable to locate credentials. You should configure an AWS profile."
+                _logger.warning(
+                    "Unable to locate iam role. Trying aws profile."
                 )
+            else:
+                try:
+                    if getattr(config, "aws_profile"):
+                        profile = config.aws_profile
+                except AttributeError:
+                    raise SystemExit(
+                        "Unable to locate credentials. You should configure an AWS IAM role or an AWS profile."
+                    )
         if region is None:
             region = backup_info.snapshots_info.region
-        return AwsCloudSnapshotInterface(profile, region)
+        return AwsCloudSnapshotInterface(profile, aws_irsa, region)
     else:
         raise CloudProviderUnsupported(
             "Unsupported snapshot provider in backup info: %s"