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https://ovirt-jira.atlassian.net/browse/OVIRT-2809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=39885#comment-39885
 ] 

Evgheni Dereveanchin commented on OVIRT-2809:
---------------------------------------------

The error in engine.log seems to point to a certificate mismatch when engine 
connects to the proxy:

2019-10-04 05:37:45,533-04 ERROR 
\[org.ovirt.engine.core.bll.storage.disk.image.TransferDiskImageCommand] 
(EE-ManagedThreadFactory-engineScheduled-Thread-48) 
\[b643d084-99fb-4105-86c9-1e87b60349b6] Failed to add image ticket to 
ovirt-imageio-proxy: javax.net.ssl.SSLHandshakeException: 
sun.security.validator.ValidatorException: PKIX path building failed: 
sun.security.provider.certpath.SunCertPathBuilderException: unable to find 
valid certification path to requested target


The following software versions are currently installed:
ovirt-engine-4.3.5.4-1.el7.noarch
ovirt-imageio-proxy-1.5.1-0.el7.noarch


/etc/ovirt-imageio-proxy/ovirt-imageio-proxy.conf contains the standard values:


use_ssl = true 
ssl_key_file = /etc/pki/ovirt-engine/keys/imageio-proxy.key.nopass 
ssl_cert_file = /etc/pki/ovirt-engine/certs/imageio-proxy.cer 
engine_cert_file = /etc/pki/ovirt-engine/certs/engine.cer 
engine_ca_cert_file = /etc/pki/ovirt-engine/ca.pem 
verify_certificate = true


On engine side, /etc/ovirt-engine/engine.conf.d/10-setup-pki.conf also looks 
standard:

ENGINE_PKI="/etc/pki/ovirt-engine" 
ENGINE_PKI_CA="/etc/pki/ovirt-engine/ca.pem" 
ENGINE_PKI_ENGINE_CERT="/etc/pki/ovirt-engine/certs/engine.cer" 
ENGINE_PKI_TRUST_STORE="/etc/pki/ovirt-engine/.truststore" 
ENGINE_PKI_ENGINE_STORE="/etc/pki/ovirt-engine/keys/engine.p12"


{{I also see that /etc/ovirt-engine/engine.conf.d/99-custom-truststore.conf has 
the following override:}}

{{ENGINE_HTTPS_PKI_TRUST_STORE="/etc/pki/java/cacerts"}}

We use Let’s Encrypt on the Apache front-end and this may be the reason as this 
step is described in the docs:

[https://www.ovirt.org/documentation/admin-guide/appe-oVirt_and_SSL.html|https://www.ovirt.org/documentation/admin-guide/appe-oVirt_and_SSL.html]

[https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.1/html/administration_guide/appe-red_hat_enterprise_virtualization_and_ssl|https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.1/html/administration_guide/appe-red_hat_enterprise_virtualization_and_ssl]



I did have a certificate mismatch on the proxy itself so configuring 
{{ssl_key_file and ssl_cert_file}} values according to the docs may help in 
this situation.

> imageio not working in PHX
> --------------------------
>
>                 Key: OVIRT-2809
>                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-2809
>             Project: oVirt - virtualization made easy
>          Issue Type: Bug
>            Reporter: Evgheni Dereveanchin
>            Assignee: infra
>
> I tried to import an image into the PHX oVirt instance and this fails with a 
> "paused by system" message in UI. Logging a ticket to see if it's a bug in 
> oVirt or a misconfiguration in our particular deployment



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