Redirects to HTTP when SSL enabled

Environment: multinode kolla deploy with haproxy and SSL

info: In some API calls there are redirects to http URL, not the https. Observed in:
- cinder when listing volumes with pagination
- swift when using Static Web functionality
- nova when listing version details

How to reproduce:

Example for nova:

curl -H 'X-Auth-Token: *****' https://my-cloud:8774/v2/

result:
{
    "version": {
        "status": "SUPPORTED",
        "updated": "2011-01-21T11:33:21Z",
        "links": [
            {"href": "http://my-cloud:8774/v2/", "rel": "self"},
            {"href": "http://docs.openstack.org/", "type": "text/html", "rel": "describedby"}
        ],
        "min_version": "",
        "version": "",
        "media-types": [{"base": "application/json", "type": "application/vnd.openstack.compute+json;version=2"}],
        "id": "v2.0"
    }
}

Example for cinder:

curl -X GET -H 'Content-Type: application/json' -H 'Accept: application/json' -H 'X-Auth-Token: *****' https://my-cloud:8776/v2/{{ tenant_id }}/volumes?limit=1

result:
{
    "volumes_links": [
        {"href": "http://my-cloud:8776/v2/{{ tenant_id }}/volumes?limit=1&marker={{ volume_id }}", "rel": "next"}
    ],
    "volumes": [
        {
            "id": "{{ volume_id }}",
            "links": [
                {"href": "http://my-cloud:8776/v2/{{ tenant_id }}/volumes/{{ volume_id }}", "rel": "self"},
                {"href": "http://my-cloud:8776/{{ tenant_id }}/volumes/{{ volume_id }}", "rel": "bookmark"}
            ],
            "name": "dsf"
        }
    ]
}

I can provide example for swift if someone will be interested, but it is more complicated.