[stable/2024.1] Stop using CDN for CI (#2185) (#2194)

Switch image builds to use Harbor
Switch Zuul to avoid CDN
Small more fixes
Configure CI bits to not use CDN
Fixes #2187
diff --git a/images/ironic/Dockerfile b/images/ironic/Dockerfile
index 28856fe..6d045e1 100644
--- a/images/ironic/Dockerfile
+++ b/images/ironic/Dockerfile
@@ -3,7 +3,7 @@
 
 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 IRONIC_GIT_REF=19de7ae2f48705cfa0e59d0642cec3cca7b6ca22
 ADD --keep-git-dir=true https://opendev.org/openstack/ironic.git#${IRONIC_GIT_REF} /src/ironic
 RUN git -C /src/ironic fetch --unshallow
@@ -15,7 +15,7 @@
         sushy
 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 \