Synchronise zed with upstream

.gitreview

@@ -2,4 +2,4 @@
 host=review.opendev.org
 port=29418
 project=openstack/glance.git
-defaultbranch=stable/zed
+defaultbranch=unmaintained/zed

.zuul.yaml

@@ -206,6 +206,8 @@
       The regular tempest-integrated-storage job but with glance metadata injection
     post-run: playbooks/post-check-metadata-injection.yaml
     vars:
+      configure_swap_size: 8192
+      tempest_concurrency: 3
       zuul_copy_output:
         /etc/glance-remote: logs
       devstack_localrc:

playbooks/post-check-metadata-injection.yaml

@@ -9,12 +9,16 @@
           set -xe
           cirrosimg=$(glance image-list | grep cirros | cut -d" " -f 2)
 
-          echo "Dumping the cirros image for debugging..."
-          glance image-show $cirrosimg
+          # There could be more than one cirros image so traverse through the list
+          for image in $cirrosimg
+          do
+              echo "Dumping the cirros image for debugging..."
+              glance image-show $image
 
-          echo "Checking that the cirros image was decorated with metdata on import..."
-          glance image-list --property-filter 'glance_devstack_test=doyouseeme?' | grep cirros
+              echo "Checking that the cirros image was decorated with metdata on import..."
+              glance image-list --property-filter 'glance_devstack_test=doyouseeme?' | grep $image
 
-          echo "Checking that the cirros image was converted to raw on import..."
-          glance image-show $cirrosimg | egrep -e 'disk_format.*raw'
+              echo "Checking that the cirros image was converted to raw on import..."
+              glance image-show $image | egrep -e 'disk_format.*raw'
+          done
       environment: '{{ zuul | zuul_legacy_vars }}'