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Posted to commits@cloudstack.apache.org by GitBox <gi...@apache.org> on 2021/03/05 02:45:10 UTC
[GitHub] [cloudstack] Hudratronium opened a new issue #4754: Add a host using systemd / libvirt > 5.6 will stop libvirt and cloudstack-agent
Hudratronium opened a new issue #4754:
URL: https://github.com/apache/cloudstack/issues/4754
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##### ISSUE TYPE
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* Bug Report
* Enhancement Request
##### COMPONENT NAME
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Cloudstack Agent
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##### CLOUDSTACK VERSION
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4.15
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##### CONFIGURATION
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Host to add: CentOS8
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##### OS / ENVIRONMENT
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CentOS8 / Hypervisor KVM / libvirt 6.0.0
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##### SUMMARY
When adding a Host to a cluster, during the process a "configuration" of the libvirtd takes place.
`management server log:
2021-03-05 01:38:37,166 DEBUG [c.c.u.s.SSHCmdHelper] (qtp2012330741-326:ctx-969e2771 ctx-a592cc3c) (logid:55839319) SSH command: cloudstack-setup-agent -m 192.168.163.139 -z 5 -p 4 -c 4 -g 902eefa4-f4bc-3c75-8a1c-c57bc3798f18 -a -s --pubNic=cloudbr0 --prvNic=cloudbr0 --guestNic=cloudbr0 --hypervisor=kvm
SSH command output:Starting to configure your system:
Configure SElinux ... [OK]
Configure Network ... [OK]
Configure Libvirt ... [Failed]
Configuration failed for service Libvirt
Try to restore your system:
Restore SElinux ... [OK]
Restore Network ... [OK]
Restore Libvirt ... [Failed]`
The problem is, that during this configuration the parameter `LIBVIRTD_ARGS=-l` is written into /etc/sysconfig/libvirtd.
At least for me, this breaks the whole set-up as the libvirtd will stop after relaoding.
Also therer are several other parameter, witch aren't needed when configuring libvirt usind systemd. These seem at least having not this effect on the libvirtd.
##### STEPS TO REPRODUCE
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1. Configure a CentOS 8 machine according to the guides, besides the libvirt-configuration. Theseare configured accordingly to the official libvirt docs [https://libvirt.org/daemons.html](url)
2. Add the CentOS8 Host to a cluster
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##### EXPECTED RESULTS
<!-- What did you expect to happen when running the steps above? -->
Host would be added to the cluster.
##### ACTUAL RESULTS
<!-- What actually happened? -->
Host wasn't added to the cluster; libvirtd won't come up anymore so the cloud-stack agent is also down as long as libvirtd is repaired.
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[GitHub] [cloudstack] Hudratronium commented on issue #4754: Add a host using systemd / libvirt > 5.6 will stop libvirt and cloudstack-agent
Posted by GitBox <gi...@apache.org>.
Hudratronium commented on issue #4754:
URL: https://github.com/apache/cloudstack/issues/4754#issuecomment-791722185
So just for my understanding (and further contribiution for the offical docs):
Basically the cloudstack-agent takes care of the libvirtd configuration during the "onboarding" to an cluster? (Taking a look into /python/lib/cloudutils/serviceConfig.py basically the whole config for the hostst seems to be there :-) )
Would be nice to know and quiet interesting to integrate it in to the install guides, as this speeds up things from a users point of view.
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[GitHub] [cloudstack] Hudratronium edited a comment on issue #4754: Add a host using systemd / libvirt > 5.6 will stop libvirt and cloudstack-agent
Posted by GitBox <gi...@apache.org>.
Hudratronium edited a comment on issue #4754:
URL: https://github.com/apache/cloudstack/issues/4754#issuecomment-791722185
So just for my understanding (and further contribiution for the offical docs):
Basically the cloudstack-agent takes care of the libvirtd configuration during the "onboarding" to an cluster? (Taking a look into /python/lib/cloudutils/serviceConfig.py basically the whole config for the hosts seems to be there :-) )
Would be nice to know and quiet interesting to integrate it in to the install guides, as this speeds up things from a users point of view.
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[GitHub] [cloudstack] rhtyd commented on issue #4754: Add a host using systemd / libvirt > 5.6 will stop libvirt and cloudstack-agent
Posted by GitBox <gi...@apache.org>.
rhtyd commented on issue #4754:
URL: https://github.com/apache/cloudstack/issues/4754#issuecomment-791166460
Is CentOS8 libvirtd configuration different from Ubuntu 20.04's? cc @weizhouapache @shwstppr
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[GitHub] [cloudstack] rhtyd commented on issue #4754: Add a host using systemd / libvirt > 5.6 will stop libvirt and cloudstack-agent
Posted by GitBox <gi...@apache.org>.
rhtyd commented on issue #4754:
URL: https://github.com/apache/cloudstack/issues/4754#issuecomment-796533088
Fixed in https://github.com/apache/cloudstack/pull/4756 for 4.15.1
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[GitHub] [cloudstack] shwstppr commented on issue #4754: Add a host using systemd / libvirt > 5.6 will stop libvirt and cloudstack-agent
Posted by GitBox <gi...@apache.org>.
shwstppr commented on issue #4754:
URL: https://github.com/apache/cloudstack/issues/4754#issuecomment-791181560
@rhtyd yes, masking socket was not needed at the time for CentOS8 with libvirt version 4.5
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[GitHub] [cloudstack] shwstppr commented on issue #4754: Add a host using systemd / libvirt > 5.6 will stop libvirt and cloudstack-agent
Posted by GitBox <gi...@apache.org>.
shwstppr commented on issue #4754:
URL: https://github.com/apache/cloudstack/issues/4754#issuecomment-793542173
@Hudratronium yes, cloudstack-agent makes required changes to libvirt config when you add a host using UI/API. On the host cloudstack-agent is called with required parameters. Similar to,
`cloudstack-setup-agent -m 10.10.3.203 -z 1 -p 1 -c 1 -g bd24ab4a-4311-357e-8e9e-dab829448772 -a -s --pubNic=cloudbr1 --prvNic=cloudbr0 --guestNic=cloudbr1 --hypervisor=kvm`
Python scripts in cloudutils contain code for these configuration changes
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[GitHub] [cloudstack] Hudratronium commented on issue #4754: Add a host using systemd / libvirt > 5.6 will stop libvirt and cloudstack-agent
Posted by GitBox <gi...@apache.org>.
Hudratronium commented on issue #4754:
URL: https://github.com/apache/cloudstack/issues/4754#issuecomment-794649289
Thanks @shwstppr !
Will see how to put this piece of information into the docs. Even if you will have some things to check / do manually afterwards it will speed things up alot.
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[GitHub] [cloudstack] rhtyd closed issue #4754: Add a host using systemd / libvirt > 5.6 will stop libvirt and cloudstack-agent
Posted by GitBox <gi...@apache.org>.
rhtyd closed issue #4754:
URL: https://github.com/apache/cloudstack/issues/4754
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