[stable/2023.1] Stop using CDN for CI (#2185) (#2196)

Switch image builds to use Harbor
Switch Zuul to avoid CDN
Small more fixes
Configure CI bits to not use CDN
fixes #2189
diff --git a/images/octavia/Dockerfile b/images/octavia/Dockerfile
index 4ee530c..11f73c7 100644
--- a/images/octavia/Dockerfile
+++ b/images/octavia/Dockerfile
@@ -3,11 +3,11 @@
 
 ARG RELEASE
 
-FROM registry.atmosphere.dev/library/openstack-venv-builder:${RELEASE} AS build
+FROM harbor.atmosphere.dev/library/openstack-venv-builder:${RELEASE} AS build
 ARG OCTAVIA_GIT_REF=06251e9716719dd8f62144ecd41d26360a539f7d
 ADD --keep-git-dir=true https://opendev.org/openstack/octavia.git#${OCTAVIA_GIT_REF} /src/octavia
 RUN git -C /src/octavia fetch --unshallow
-ADD --keep-git-dir=true https://opendev.org/openstack/ovn-octavia-provider.git#stable/2023.1 /src/ovn-octavia-provider
+ADD --keep-git-dir=true https://opendev.org/openstack/ovn-octavia-provider.git#unmaintained/2023.1 /src/ovn-octavia-provider
 RUN git -C /src/ovn-octavia-provider fetch --unshallow
 RUN --mount=type=cache,mode=0755,target=/root/.cache/pip,sharing=private <<EOF bash -xe
 pip3 install \
@@ -16,7 +16,7 @@
         /src/ovn-octavia-provider
 EOF
 
-FROM registry.atmosphere.dev/library/openstack-python-runtime:${RELEASE}
+FROM harbor.atmosphere.dev/library/openstack-python-runtime:${RELEASE}
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \