[stable-only] fix lower-constraints and disable qos resize

This is a combination of 2 commits, as both are needed to unblock
Ussuri gate.

1. [stable-only] lower-contraints: Bump various packages

* amqp==2.5.0 & kombu==4.6.1 via oslo.messaging
  I4b72d8feb85c2b9b4657510c356cd21e22fe40c2

* enum34==1.1.8 to workaround known issues with the package

  The associated repo and issue tracker is currently offline so I can't
  link the actual issue here but it's widely reported elsewhere.

  https://github.com/iterative/dvc/issues/1995

* hacking==3.0.1 introduced via Ie00c10332bd7110169dbb150d601c157b6694d05

* oslo.context==2.22.0 introduced via oslo-policy 3.1.0

* stestr==2.0.0 introduced via oslotest 3.8.0

2. Disable qos resize tempest test for nova-multi-cell job

It turned out that during the qos resize work we did not implemented
support of cross cell resize with qos ports. Tempest test coverage for
the resize and migrate is landed recently that made the nova-multi-cell
job to fail.

So this patch disables the qos resize and migrate tempest tests for the
nova-multi-cell job to unblock the gate.

Related-Bug: #1907522

[1] I8c573c4a11a76932057d8415d76114a03269b9f3
(cherry picked from commit 048250a4b7)

Change-Id: Ib0e09df9d61e42592c2d36ceed7f38c1278c53b2
Closes-Bug: #1907756

api-guide/source/port_with_resource_request.rst

@@ -29,7 +29,8 @@ As of 20.0.0 (Train), nova supports cold migrating and resizing servers with
 neutron ports having resource requests if both the source and destination
 compute services are upgraded to 20.0.0 (Train) and the
 ``[upgrade_levels]/compute`` configuration does not prevent the computes from
-using the latest RPC version.
+using the latest RPC version. However cross cell resize and cross cell migrate
+operations are still not supported with such ports.
 
 As of 21.0.0 (Ussuri), nova supports evacuating, live migrating and unshelving
 servers with neutron ports having resource requests.

devstack/nova-multi-cell-blacklist.txt

@@ -4,3 +4,9 @@
 # Exclude tempest.scenario.test_network tests since they are slow and
 # only test advanced neutron features, unrelated to multi-cell testing.
 ^tempest.scenario.test_network
+
+# Also exlude resize and migrate tests with qos ports as qos is currently
+# not supported in cross cell resize case . See
+# https://bugs.launchpad.net/nova/+bug/1907511 for details
+test_migrate_with_qos_min_bw_allocation
+test_resize_with_qos_min_bw_allocation

lower-constraints.txt

@@ -1,5 +1,5 @@
 alembic==0.9.8
-amqp==2.2.2
+amqp==2.5.0
 appdirs==1.4.3
 asn1crypto==0.24.0
 attrs==17.4.0
@@ -21,7 +21,7 @@ debtcollector==1.19.0
 decorator==3.4.0
 deprecation==2.0
 dogpile.cache==0.6.5
-enum34==1.0.4
+enum34==1.1.8
 enum-compat==0.0.2
 eventlet==0.20.0
 extras==1.0.0
@@ -34,7 +34,7 @@ gabbi==1.35.0
 gitdb2==2.0.3
 GitPython==2.1.8
 greenlet==0.4.10
-hacking==2.0
+hacking==3.0.1
 idna==2.6
 iso8601==0.1.11
 Jinja2==2.10
@@ -46,7 +46,7 @@ jsonpointer==2.0
 jsonschema==2.6.0
 keystoneauth1==3.16.0
 keystonemiddleware==4.20.0
-kombu==4.1.0
+kombu==4.6.1
 linecache2==1.0.0
 lxml==3.4.1
 Mako==1.0.7
@@ -75,7 +75,7 @@ osc-lib==1.10.0
 oslo.cache==1.26.0
 oslo.concurrency==3.29.0
 oslo.config==6.1.0
-oslo.context==2.21.0
+oslo.context==2.22.0
 oslo.db==4.44.0
 oslo.i18n==3.15.3
 oslo.log==3.36.0
@@ -148,7 +148,7 @@ SQLAlchemy==1.2.19
 sqlalchemy-migrate==0.13.0
 sqlparse==0.2.4
 statsd==3.2.2
-stestr==1.0.0
+stestr==2.0.0
 stevedore==1.20.0
 suds-jurko==0.6
 taskflow==2.16.0

releasenotes/notes/cros-scell-resize-not-supported-with-ports-having-resource-request-a8e1029ef5983793.yaml

@@ -0,0 +1,7 @@
+---
+issues:
+  - |
+    When the tempest test coverage was added for resize and cold migrate
+    with neutron ports having QoS minimum bandwidth policy rules we
+    discovered that the cross cell resize code path cannot handle such ports.
+    See bug https://bugs.launchpad.net/nova/+bug/1907522 for details.

requirements.txt

@@ -36,7 +36,7 @@ websockify>=0.9.0 # LGPLv3
 oslo.cache>=1.26.0 # Apache-2.0
 oslo.concurrency>=3.29.0 # Apache-2.0
 oslo.config>=6.1.0 # Apache-2.0
-oslo.context>=2.21.0 # Apache-2.0
+oslo.context>=2.22.0 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
 oslo.reports>=1.18.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.21.1 # Apache-2.0

test-requirements.txt

@@ -13,7 +13,7 @@ python-barbicanclient>=4.5.2 # Apache-2.0
 python-ironicclient!=2.7.1,>=2.7.0 # Apache-2.0
 requests-mock>=1.2.0 # Apache-2.0
 oslotest>=3.8.0 # Apache-2.0
-stestr>=1.0.0 # Apache-2.0
+stestr>=2.0.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
 testresources>=2.0.0 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD