On Wed, Jan 30, 2019 at 10:28 PM Chris Adams <[email protected]> wrote:
>
> Digging a little deeper... if I add the Let's Encrypt CA to
> /etc/pki/ovirt-engine/.truststore, imageio-proxy works (I can
> successfully upload an ISO), so I guess the issue is that imageio-proxy
> uses the same cert for web and engine communication and the engine
> wasn't happy with the public-CA-signed cert.

I think I agree with your analysis.

I now reproduced this on a test env.

I started with ovirt-system-tests basic suite deploy, made sure I
can upload an image.

Then I followed the docs about replacing certs, using a temporarily-
created CA for testing (using openssl, actually using a copy of the
engine's pki scripts), including adding 99-custom-truststore.conf,
imported the CA's cert to the browser, and:

1. Connecting with the browser worked, all is green.

2. Logged in, pressed "Disks -> Upload -> Start -> Test Connection",
and it failed.

3. Edited the ovirt-imageio-proxy conf to point key and cert to a
key and cert I created and signed using my temp ca, restarted it,
"Test Connection" worked.

4. Actually uploading the image failed as you describe.

5. Imported my CA's cert to /etc/pki/ovirt-engine/.truststore,
using:

keytool -importcert -trustcacerts -keystore
/etc/pki/ovirt-engine/.truststore -storepass mypass -file
/etc/pki/ovirt-engine/apache-ca.pem

and restarted the engine, and then upload works.

Adding Martin and Nir.


>
> So, rather than point part of the engine at a separate trust store (as
> the docs recommend), maybe just add the public CA to the engine's
> existing trust store?

I admit I still didn't try to fully analyze this myself, but I tend
to agree with you. Or rather: Our docs should probably support both
options - tell the engine to trust (and use?) the system-wide store,
or manually add a specific cert. Because I guess you can find people
that will prefer either option.

>
> However, while digging, I also noticed that now the engine is not
> communicating with ovirt-provider-ovn, possibly due to a similar issue?
> It is having the reverse problem; it rejects the engine's cert.

Didn't try this yet, adding Dominik.

>
> This is all on 4.2.8 BTW.

I personally tried this on:

ovirt-engine-4.3.0-0.8.master.20190122121624.git9a8a519.el7.noarch

I guess the behavior didn't change much between them.

Thanks for your debugging and report!

Best regards,
-- 
Didi
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