rpm -qa |grep postgres rh-postgresql95-postgresql-libs-9.5.9-1.el7.x86_64 postgresql-libs-9.2.23-3.el7_4.x86_64 rh-postgresql95-runtime-2.2-2.el7.x86_64 rh-postgresql95-postgresql-9.5.9-1.el7.x86_64 postgresql-jdbc-9.2.1002-5.el7.noarch postgresql-contrib-9.2.23-3.el7_4.x86_64 rh-postgresql95-postgresql-server-9.5.9-1.el7.x86_64 postgresql-9.2.23-3.el7_4.x86_64 rh-postgresql95-postgresql-contrib-9.5.9-1.el7.x86_64 collectd-postgresql-5.8.0-2.el7.x86_64 postgresql-server-9.2.23-3.el7_4.x86_64 [skotti@localhost ~]$ psql -U postgres psql: FATAL: Peer authentication failed for user "postgres" But I actually installed it manually, still no succeed. But ovirt engine is working. 2018-05-07 5:22 GMT-04:00 Eli Mesika <emesika@redhat.com>:
On Mon, May 7, 2018 at 11:40 AM, Anastasiya Ruzhanskaya < anastasiya.ruzhanskaya@frtk.ru> wrote:
If the engine user is not accessible directly, why then in this command you use it?:
psql -U engine engine -c "UPDATE vdc_options set option_value = 'false' WHERE option_name = 'SSLEnabled';"
I am not really good in managing databases, I also didn't have postgresql installed after finishing oVirt engine installation and even managing to deploy everything. Does it mean that no database was created at all? I have chosen automatic and local creation in all fields related to database while installing oVirt engine.
Can you paste the output of the following command
rpm -qa |grep postgres
2018-05-07 11:00 GMT+03:00 Martin Sivak <msivak@redhat.com>:
Hi,
I think what you are looking for is mostly this: https://github.com/oVirt/vdsm/blob/master/lib/vdsm/api/vdsm-api.yml
The best way to see what the traffic is is to disable SSL. The postgres database is installed and accessible using the postgres user (the engine user is not allowed to access it directly).
You might also be interested in the vdsm fake project we use as node simulator. Its readme will tell you exactly how to do this: https://github.com/oVirt/ovirt-vdsmfake
I wrote an article some time ago that explained how to setup a development environment without real hosts: https://www.ovirt.org/blog/2016/11/testing-ovirt-changes-wit hout-cluster/
Might I ask what you goal is?
Best regards
-- Martin Sivak SLA / oVirt
On Sun, May 6, 2018 at 6:26 AM, Anastasiya Ruzhanskaya <anastasiya.ruzhanskaya@frtk.ru> wrote:
Hello everyone! Currently I want to determine what information is included in messages passing from oVirt engine to VDSM on ovirt-node.
I made up a really simple configuration with one VM representing engine, another - node, a managed to successfully launch a single VM on this node. However, I have chosen to configure everything automatically. Currently traffic is encrypted with default certificates. So, there are three options for me and no one of them really works.
1) Find the format of messages ( what the fields are, session id for example) in docs, but I didn't manage to find it; 2) Use wireshark to decrypt the traffic and the apply maybe a json -dissector to the decrypted data. I have tried many solutions ( thanks god I have rsa private and public keys but there is another session key which is generated every time engine starts to communicate with vdsm, which I cannot get with the help of sslkeylog file or ld_preload technology. Maybe someone knows the exact methodology how to do this correctly?
3) Turn off ssl in oVirt. It is simple to do that for vdsm, but for engine, according to answers on oVirt site, I should do 2 requests to the database. I was really surprised that psql was not installed by oVirt on my system. How did it then created a default database? ( I have chosen to create all locally and with default configurations). I mean these two commands : https://www.ovirt.org/develop/developer-guide/vdsm/connectin g-development-vdsm-to-engine/ . I have a following error there : psql: FATAL: Peer authentication failed for user "engine"
Could you please guide my what method is the best and how should I correct my faults there?
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