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Hi *,

I'm trying to get magnum to work in an Ussuri environment. There are  
some issues I'm facing and would like to ask you for some pointers  
what I might be doing wrong. The control nodes would have access to  
the internet through a proxy, I would like to avoid that but I don't  
know yet what my local registry needs to look like. So to get it  
working I'll go with the http_proxy. The first attempts failed due to  
various reasons, now I'm stuck at the invalid discovery_url. After  
some search I found that I need to create a new discovery_url like this:

controller02:~ # curl --silent -H "Accept: text/plain"  
https://discovery.etcd.io/new?size=1

Using that new URL I try to create a cluster like this:

controller02:~ # openstack coe cluster create kubernetes-cluster-8  
--cluster-template 9c7cfeff-3807-4b06-a4e6-a76f2ae0f612 --master-count  
1 --node-count 1 --keypair eblock --discovery-url  
https://discovery.etcd.io/<UUID>

The template contains the http and https proxy. The resulting error is this:

---snip---
HTTPSConnectionPool(host='discovery.etcd.io', port=443): Max retries  
exceeded with url: /<UUID>/_config/size (Caused by  
NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object  
at 0x7fd5e61dcfd0>: Failed to establish a new connection: [Errno 110]  
ETIMEDOUT',)): requests.exceptions.ConnectionError:  
HTTPSConnectionPool(host='discovery.etcd.io', port=443): Max retries  
exceeded with url: /<UUID>/_config/size (Caused by  
NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object  
at 0x7fd5e61dcfd0>: Failed to establish a new connection: [Errno 110]  
ETIMEDOUT',))
[...]
requests.exceptions.ConnectionError:  
HTTPSConnectionPool(host='discovery.etcd.io', port=443): Max retries  
exceeded with url: /<UUID>/_config/size (Caused by  
NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object  
at 0x7fd5e61dcfd0>: Failed to establish a new connection: [Errno 110]  
ETIMEDOUT',))
[...]
magnum.common.exception.GetClusterSizeFailed: Failed to get the size  
of cluster from 'https://discovery.etcd.io/<UUID>'.
---snip---

The stack trace is a little longer, of course, but this is the  
relevant part. Can anyone point me in the right direction? What am I  
missing? I also tried quay.io since discovery.etcd.io seems to be not  
maintained anymore, but there I can't even generate a new URL.

Any help is greatly appreciated!

Thanks
Eugen