Switch some GitHub URLs to point to opendev.org

Also update some outdated URLs at the same time, e.g. defcore is now
interop.

Unfortunately unlike GitHub, gitea doesn't yet support URLs with
shortened SHA1s; however this is being worked on:

    https://github.com/go-gitea/gitea/issues/6450

Change-Id: I6e6b63619f1138cc961b61be548453361d01f73c

doc/source/admin/vendordata.rst

@@ -97,7 +97,7 @@ that target. For example:
 The `novajoin`__ project provides a dynamic vendordata service to manage host
 instantiation in an IPA server.
 
-__ https://github.com/openstack/novajoin
+__ https://opendev.org/x/novajoin
 
 Deployment considerations
 ~~~~~~~~~~~~~~~~~~~~~~~~~

doc/source/contributor/api.rst

@@ -14,7 +14,7 @@ The v2.1 API framework is under ``nova/api`` and each API is implemented in
 ``nova/api/openstack/compute``.
 
 Note that any change to the Nova API to be merged will first require a
-spec be approved first. See `here <https://github.com/openstack/nova-specs>`_
+spec be approved first. See `here <https://opendev.org/openstack/nova-specs>`_
 for the appropriate repository. For guidance on the design of the API
 please refer to the `OpenStack API WG
 <https://wiki.openstack.org/wiki/API_Working_Group>`_

doc/source/contributor/testing.rst

@@ -79,7 +79,7 @@ The correct level of unit test coverage is very subjective, and as such we are
 not aiming for a particular percentage of coverage, rather we are aiming for
 good coverage.
 Generally, every code change should have a related unit test:
-https://github.com/openstack/nova/blob/master/HACKING.rst#creating-unit-tests
+https://opendev.org/openstack/nova/src/branch/master/HACKING.rst#creating-unit-tests
 
 Integration tests
 -----------------
@@ -116,4 +116,4 @@ Interoperability tests
 
 The DefCore committee maintains a list that contains a subset of Tempest tests.
 These are used to verify if a particular Nova deployment's API responds as
-expected. For more details, see: https://github.com/openstack/defcore
+expected. For more details, see: https://opendev.org/openstack/interop

doc/source/reference/scheduler-hints-vs-flavor-extra-specs.rst

@@ -155,7 +155,7 @@ choice.
 Footnotes
 ---------
 
-.. [1] https://github.com/openstack/nova/blob/fbe6f77bc/nova/objects/image_meta.py#L225
+.. [1] https://opendev.org/openstack/nova/src/commit/fbe6f77bc1cb41f5d6cfc24ece54d3413f997aab/nova/objects/image_meta.py#L225
 .. [2] https://review.opendev.org/#/c/440580/
 .. [3] https://docs.openstack.org/nova/latest/user/flavors.html#extra-specs
-.. [4] https://github.com/openstack/nova/blob/fbe6f77bc/nova/api/openstack/compute/schemas/scheduler_hints.py
+.. [4] https://opendev.org/openstack/nova/src/commit/fbe6f77bc1cb41f5d6cfc24ece54d3413f997aab/nova/api/openstack/compute/schemas/scheduler_hints.py

nova/api/openstack/compute/schemas/servers.py

@@ -266,7 +266,7 @@ base_create_v232['properties']['server'][
 # to keep the above mentioned behavior while merging the extension schema code
 # into server schema file. Below is the ref code where BDM tag was originally
 # got added for 2.32 microversion *only*.
-# Ref- https://github.com/openstack/nova/blob/
+# Ref- https://opendev.org/openstack/nova/src/commit/
 #      9882a60e69a5ab8da314a199a56defc05098b743/nova/api/
 #      openstack/compute/block_device_mapping.py#L71
 base_create_v233 = copy.deepcopy(base_create_v219)

nova/conf/vmware.py

@@ -63,7 +63,7 @@ Set this value if affected by an increased network latency causing
 repeated characters when typing in a remote console.
 """),
     # NOTE(takashin): 'serial_port_service_uri' can be non URI format.
-    # See https://github.com/openstack/vmware-vspc/blob/master/README.rst
+    # See https://opendev.org/x/vmware-vspc/src/branch/master/README.rst
     cfg.StrOpt('serial_port_service_uri',
                help="""
 Identifies the remote system where the serial port traffic will

nova/tests/functional/regressions/test_bug_1595962.py

@@ -110,7 +110,7 @@ class TestSerialConsoleLiveMigrate(test.TestCase):
         is then enabled and VNC + SPICE are disabled.
 
         The error will be raised at
-            https://github.com/openstack/nova/blob/
+            https://opendev.org/openstack/nova/src/commit/
             4f33047d07f5a11b208c344fe206aba01cd8e6fe/
             nova/virt/libvirt/driver.py#L5842-L5852
         """

nova/tests/functional/regressions/test_bug_1671648.py

@@ -83,8 +83,9 @@ class TestRetryBetweenComputeNodeBuilds(test.TestCase):
         # We can't stub nova.compute.claims.Claims.__init__ because there is
         # a race where nova.compute.claims.NopClaim will be used instead,
         # see for details:
-        #   https://github.com/openstack/nova/blob/bb02d11/nova/compute/
+        #   https://opendev.org/openstack/nova/src/commit/
-        #   resource_tracker.py#L121-L130
+        #   bb02d1110a9529217a5e9b1e1fe8ca25873cac59/
+        #   nova/compute/resource_tracker.py#L121-L130
         real_instance_claim =\
                 nova.compute.resource_tracker.ResourceTracker.instance_claim