bifrost: Don't use env-setup

env-setup script removes epel-release and this
breaks our CI template overrides.
It is also more geared towards using in opendev
CI - let's just install proper Ansible version
instead.

Change-Id: I68f645bef05dd15eba41479e3ef6713100fb87d0
(cherry picked from commit fb94f3aff7)

docker/bifrost/bifrost-base/Dockerfile.j2

@@ -40,8 +40,11 @@ RUN apt-get --error-on=any update && \
 {%- else %}
 RUN echo " " && \
 {%- endif %}
-    bash -c 'TOX_CONSTRAINTS_FILE=/requirements/upper-constraints.txt ./scripts/env-setup.sh && \
-    ansible-playbook -vvvv -i /bifrost/playbooks/inventory/target /bifrost/playbooks/install.yaml \
+    bash -c 'export VENV=/var/lib/kolla/venv && \
+    $VENV/bin/pip install "ansible>=6,<7" && \
+    $VENV/bin/ansible-galaxy collection install -r /bifrost/ansible-collections-requirements.yml && \
+    ansible-playbook -vvvv -i /bifrost/playbooks/inventory/target \
+    /bifrost/playbooks/install.yaml \
     -e git_branch={{ openstack_branch_slashed }} \
     -e ipa_upstream_release={{ openstack_branch }} \
     -e @/tmp/build_arg.yml && \

kolla/image/unbuildable.py

@@ -25,7 +25,6 @@ UNBUILDABLE_IMAGES = {
     # Issues for SHA1 keys:
     # https://github.com/grafana/grafana/issues/41036
     'centos': {
-        "bifrost-base",          # EPEL-related breakage
         "hacluster-pcs",         # Missing crmsh package
         "nova-spicehtml5proxy",  # Missing spicehtml5 package
         "ovsdpdk",               # Not supported on CentOS
@@ -42,7 +41,6 @@ UNBUILDABLE_IMAGES = {
     },
 
     'rocky': {
-        "bifrost-base",          # EPEL-related breakage
         "hacluster-pcs",         # Missing crmsh package
         "nova-spicehtml5proxy",  # Missing spicehtml5 package
         "ovsdpdk",               # Not supported on CentOS