the hieradata has the right admin_url, something after went wrong:
/opt/platform/puppet/20.04/hieradata/system.yaml:barbican::keystone::auth::admin_url: https://[fd01:1::2]:9312
/opt/platform/puppet/20.04/hieradata/system.yaml:dcdbsync::keystone::auth::admin_url: https://[fd01:1::2]:8220/v1.0
/opt/platform/puppet/20.04/hieradata/system.yaml:dcmanager::keystone::auth::admin_url: https://[fd01:1::2]:8120/v1.0
/opt/platform/puppet/20.04/hieradata/system.yaml:dcorch::keystone::auth::identity_proxy_admin_url: https://[fd01:1::2]:25001/v3
/opt/platform/puppet/20.04/hieradata/system.yaml:dcorch::keystone::auth::patching_proxy_admin_url: https://[fd01:1::2]:25492/
/opt/platform/puppet/20.04/hieradata/system.yaml:dcorch::keystone::auth::sysinv_proxy_admin_url: https://[fd01:1::2]:26386/v1
/opt/platform/puppet/20.04/hieradata/system.yaml:fm::keystone::auth::admin_url: https://[fd01:1::2]:18003
/opt/platform/puppet/20.04/hieradata/system.yaml:keystone::endpoint::admin_url: https://[fd01:1::2]:5001
/opt/platform/puppet/20.04/hieradata/system.yaml:nfv::keystone::auth::admin_url: https://[fd01:1::2]:4546
/opt/platform/puppet/20.04/hieradata/system.yaml:patching::keystone::auth::admin_url: https://[fd01:1::2]:5492
/opt/platform/puppet/20.04/hieradata/system.yaml:platform::smapi::params::admin_url: https://[fd01:1::2]:7778
/opt/platform/puppet/20.04/hieradata/system.yaml:smapi::keystone::auth::admin_url: https://[fd01:1::2]:7778
/opt/platform/puppet/20.04/hieradata/system.yaml:sysinv::keystone::auth::admin_url: https://[fd01:1::2]:6386/v1
Also /etc/haproxy/haproxy.cfg is configured correctly with admin endpoints as https
frontend barbican-restapi-admin
  bind fd01:1::2:9312 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend barbican-restapi-admin-internal
--
frontend dcdbsync-restapi-admin
  bind fd01:1::2:8220 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend dcdbsync-restapi-admin-internal
--
frontend dcmanager-restapi-admin
  bind fd01:1::2:8120 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend dcmanager-restapi-admin-internal
--
frontend dcorch-identity-api-proxy-admin
  bind fd01:1::2:25001 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend dcorch-identity-api-proxy-admin-internal
--
frontend dcorch-patch-api-proxy-admin
  bind fd01:1::2:25492 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend dcorch-patch-api-proxy-admin-internal
--
frontend dcorch-sysinv-api-proxy-admin
  bind fd01:1::2:26386 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend dcorch-sysinv-api-proxy-admin-internal
--
frontend fm-api-admin
  bind fd01:1::2:18003 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend fm-api-admin-internal
--
frontend keystone-restapi-admin
  bind fd01:1::2:5001 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend keystone-restapi-admin-internal
--
frontend patching-restapi-admin
  bind fd01:1::2:5492 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend patching-restapi-admin-internal
--
frontend sm-api-admin
  bind fd01:1::2:7778 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend sm-api-admin-internal
--
frontend sysinv-restapi-admin
  bind fd01:1::2:6386 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend sysinv-restapi-admin-internal
--
frontend vim-restapi-admin
  bind fd01:1::2:4546 ssl crt /etc/ssl/private/admin-ep-cert.pem
  default_backend vim-restapi-admin-internal

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