Convert nova-lvm job to zuul v3

Converts the job to zuul v3 native format so the legacy
playbook is deleted.

Drops the blacklist regex file in favor of simply configuring
tempest to not run resize or cold migration tests.

Change-Id: I4630066731f12c42091ddf9dd3159e0494df88b1

Author: mriedem

.zuul.yaml

@@ -150,17 +150,14 @@
 
 - job:
     name: nova-lvm
-    parent: nova-dsvm-base
+    parent: devstack-tempest
     description: |
       Run tempest compute API tests using LVM image backend. This only runs
       against nova/virt/libvirt/* changes.
-    run: playbooks/legacy/nova-lvm/run.yaml
-    post-run: playbooks/legacy/nova-lvm/post.yaml
     # Copy irrelevant-files from nova-dsvm-base and then exclude anything
-    # that is not in nova/virt/libvirt/* or nova/privsep/* (besides the actual
-    # zuul playbook and tempest rc files so this can be self-testing).
+    # that is not in nova/virt/libvirt/* or nova/privsep/*.
     irrelevant-files:
-      - ^(?!.zuul.yaml)(?!playbooks/legacy/nova-lvm/)(?!devstack/tempest-dsvm-lvm-rc)(?!nova/virt/libvirt/)(?!nova/privsep/).*$
+      - ^(?!.zuul.yaml)(?!nova/virt/libvirt/)(?!nova/privsep/).*$
       - ^api-.*$
       - ^(test-|)requirements.txt$
       - ^.*\.rst$
@@ -178,6 +175,28 @@
     # TODO(mriedem): Make this voting and gating once bug 1771700 is fixed
     # and we've had enough runs to feel comfortable with this setup.
     voting: false
+    vars:
+      # We use the "all" environment for tempest_test_regex and
+      # tempest_black_regex.
+      tox_envlist: all
+      # Only run compute API tests.
+      tempest_test_regex: ^tempest\.api\.compute
+      # Skip slow tests.
+      tempest_black_regex: .*\[.*\bslow\b.*\]
+      devstack_local_conf:
+        test-config:
+          $TEMPEST_CONFIG:
+            compute-feature-enabled:
+              # NOTE(mriedem): resize of non-volume-backed lvm instances does
+              # not yet work (bug 1831657).
+              resize: false
+              cold_migration: false
+      devstack_localrc:
+        NOVA_BACKEND: LVM
+        # Do not waste time clearing volumes.
+        LVM_VOLUME_CLEAR: none
+        # Disable SSH validation in tests to save time.
+        TEMPEST_RUN_VALIDATION: false
 
 - job:
     name: nova-next