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Posted to commits@cloudstack.apache.org by "KobesM (via GitHub)" <gi...@apache.org> on 2024/03/30 10:45:34 UTC
[I] Unable to add the host: Cannot find the server resources [cloudstack]
KobesM opened a new issue, #8851:
URL: https://github.com/apache/cloudstack/issues/8851
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##### ISSUE TYPE
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* Bug Report
##### COMPONENT NAME
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Categorize the issue, e.g. API, VR, VPN, UI, etc.
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~~~
cloudstack-agent
~~~
##### CLOUDSTACK VERSION
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~~~
4.19
~~~
##### OS / ENVIRONMENT
<!--
Information about the environment if relevant, N/A otherwise
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- single cloudstack management 4.19 server fresh install on Almalinux 9.3
- cloudstack agent 4.19 fresh install on Almalinux 9.3
##### SUMMARY
<!-- Explain the problem/feature briefly -->
This is my first time setting up apache cloudstack. After installing my management server and having it up and running I am trying to add my first KVM host. When adding the host from the UI I receive the following error:
```
Error 530
Unable to add the host: Cannot find the server resources at http://xxxxxxxx
```
I found that the cloudstack-agent is not running on the host:
```
]# systemctl status cloudstack-agent
● cloudstack-agent.service - CloudStack Agent
Loaded: loaded (/usr/lib/systemd/system/cloudstack-agent.service; enabled; preset: disabled)
Active: activating (auto-restart) (Result: exit-code) since Sat 2024-03-30 11:42:23 CET; 5s ago
Docs: http://www.cloudstack.org/
Process: 163327 ExecStart=/usr/bin/java $JAVA_OPTS $JAVA_DEBUG -cp $CLASSPATH $JAVA_CLASS (code=exited, status=67)
Main PID: 163327 (code=exited, status=67)
CPU: 2.548s
```
The agent log on the host has the following:
```
2024-03-30 11:43:16,759 INFO [cloud.agent.AgentShell] (main:null) (logid:) Agent started
2024-03-30 11:43:16,763 INFO [cloud.agent.AgentShell] (main:null) (logid:) Implementation Version is 4.19.0.0
2024-03-30 11:43:16,764 INFO [cloud.agent.AgentShell] (main:null) (logid:) agent.properties found at /etc/cloudstack/agent/agent.properties
2024-03-30 11:43:16,809 INFO [cloud.agent.AgentShell] (main:null) (logid:) Defaulting to using properties file for storage
2024-03-30 11:43:16,809 INFO [cloud.agent.AgentShell] (main:null) (logid:) Defaulting to the constant time backoff algorithm
2024-03-30 11:43:16,850 INFO [cloud.utils.LogUtils] (main:null) (logid:) log4j configuration found at /etc/cloudstack/agent/log4j-cloud.xml
2024-03-30 11:43:16,850 INFO [cloud.agent.AgentShell] (main:null) (logid:) Using default Java settings for IPv6 preference for agent connection
2024-03-30 11:43:16,925 INFO [cloud.agent.Agent] (main:null) (logid:) id is
2024-03-30 11:43:16,936 ERROR [kvm.resource.LibvirtComputingResource] (main:null) (logid:) uefi properties file not found due to: Unable to find file uefi.properties.
2024-03-30 11:43:16,982 INFO [kvm.resource.LibvirtConnection] (main:null) (logid:) No existing libvirtd connection found. Opening a new one
2024-03-30 11:43:17,075 ERROR [cloud.agent.AgentShell] (main:null) (logid:) Unable to start agent:
com.cloud.utils.exception.CloudRuntimeException: Failed to connect socket to '/var/run/libvirt/virtqemud-sock': Connection refused
at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.configure(LibvirtComputingResource.java:1131)
at com.cloud.agent.Agent.<init>(Agent.java:193)
at com.cloud.agent.AgentShell.launchNewAgent(AgentShell.java:452)
at com.cloud.agent.AgentShell.launchAgentFromClassInfo(AgentShell.java:431)
at com.cloud.agent.AgentShell.launchAgent(AgentShell.java:415)
at com.cloud.agent.AgentShell.start(AgentShell.java:511)
at com.cloud.agent.AgentShell.main(AgentShell.java:541)
```
##### STEPS TO REPRODUCE
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##### EXPECTED RESULTS
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##### ACTUAL RESULTS
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Re: [I] Unable to add the host: Cannot find the server resources [cloudstack]
Posted by "KobesM (via GitHub)" <gi...@apache.org>.
KobesM closed issue #8851: Unable to add the host: Cannot find the server resources
URL: https://github.com/apache/cloudstack/issues/8851
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Re: [I] Unable to add the host: Cannot find the server resources [cloudstack]
Posted by "weizhouapache (via GitHub)" <gi...@apache.org>.
weizhouapache commented on issue #8851:
URL: https://github.com/apache/cloudstack/issues/8851#issuecomment-2042045359
> I did some further investigation and it seems I do not have to add the user to the wheel group. If I add the host for the first time I receive the error:
>
> ```
> Error 530
> Unable to add the host: Cannot find the server resources at http://<fqdn>
> ```
>
> Trying to add it again does not change the state and I receive this error every time.
>
> However when I reboot the server (after trying to add it for the first time) I get the following error:
>
> ```
> Error 530
> Could not add host at [http://<fqdn>] with zone [1], pod [1] and cluster [1] due to: [ can't setup agent, due to com.cloud.utils.exception.CloudRuntimeException: Skipping host<ip> because 37d27800-15cc-341d-8fed-4ae730f54b58 is already in the database for resource 37d27800-15cc-341d-8fed-4ae730f54b58-LibvirtComputingResource with ID 235783ee-0606-4212-928b-7c3947d46db2 - Skipping host <ip> because 37d27800-15cc-341d-8fed-4ae730f54b58 is already in the database for resource 37d27800-15cc-341d-8fed-4ae730f54b58-LibvirtComputingResource with ID 235783ee-0606-4212-928b-7c3947d46db2].
> ```
>
> And after I close the wizard and refresh the page the host is listed and works as expected. So something seems to "trigger" by rebooting the server after trying to add the host for the first time.
so it looks same as #8597 ? @KobesM
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Re: [I] Unable to add the host: Cannot find the server resources [cloudstack]
Posted by "KobesM (via GitHub)" <gi...@apache.org>.
KobesM commented on issue #8851:
URL: https://github.com/apache/cloudstack/issues/8851#issuecomment-2041485474
I did some further investigation and it seems I do not have to add the user to the wheel group. If I add the host for the first time I receive the error:
```
Error 530
Unable to add the host: Cannot find the server resources at http://<fqdn>
```
Trying to add it again does not change the state and I receive this error every time.
However when I reboot the server (after trying to add it for the first time) I get the following error:
```
Error 530
Could not add host at [http://<fqdn>] with zone [1], pod [1] and cluster [1] due to: [ can't setup agent, due to com.cloud.utils.exception.CloudRuntimeException: Skipping host<ip> because 37d27800-15cc-341d-8fed-4ae730f54b58 is already in the database for resource 37d27800-15cc-341d-8fed-4ae730f54b58-LibvirtComputingResource with ID 235783ee-0606-4212-928b-7c3947d46db2 - Skipping host <ip> because 37d27800-15cc-341d-8fed-4ae730f54b58 is already in the database for resource 37d27800-15cc-341d-8fed-4ae730f54b58-LibvirtComputingResource with ID 235783ee-0606-4212-928b-7c3947d46db2].
```
And after I close the wizard and refresh the page the host is listed and works as expected. So something seems to "trigger" by rebooting the server after trying to add the host for the first time.
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Re: [I] Unable to add the host: Cannot find the server resources [cloudstack]
Posted by "weizhouapache (via GitHub)" <gi...@apache.org>.
weizhouapache commented on issue #8851:
URL: https://github.com/apache/cloudstack/issues/8851#issuecomment-2031282002
> I solved the issue by adding the user I used to connect to the KVM host to the wheel group. I do not know if this is actually required since it is not documented as such.
@KobesM
thanks for sharing
I think it is required
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Re: [I] Unable to add the host: Cannot find the server resources [cloudstack]
Posted by "rohityadavcloud (via GitHub)" <gi...@apache.org>.
rohityadavcloud commented on issue #8851:
URL: https://github.com/apache/cloudstack/issues/8851#issuecomment-2085332664
Same as https://github.com/apache/cloudstack/issues/8824 - sounds like setup/config issue of kvm/libvirtd
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Re: [I] Unable to add the host: Cannot find the server resources [cloudstack]
Posted by "rohityadavcloud (via GitHub)" <gi...@apache.org>.
rohityadavcloud closed issue #8851: Unable to add the host: Cannot find the server resources
URL: https://github.com/apache/cloudstack/issues/8851
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Re: [I] Unable to add the host: Cannot find the server resources [cloudstack]
Posted by "KobesM (via GitHub)" <gi...@apache.org>.
KobesM commented on issue #8851:
URL: https://github.com/apache/cloudstack/issues/8851#issuecomment-2030514313
I solved the issue by adding the user I used to connect to the KVM host to the wheel group. I do not know if this is actually required since it is not documented as such.
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Re: [I] Unable to add the host: Cannot find the server resources [cloudstack]
Posted by "boring-cyborg[bot] (via GitHub)" <gi...@apache.org>.
boring-cyborg[bot] commented on issue #8851:
URL: https://github.com/apache/cloudstack/issues/8851#issuecomment-2028009581
Thanks for opening your first issue here! Be sure to follow the issue template!
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Re: [I] Unable to add the host: Cannot find the server resources [cloudstack]
Posted by "printfdebugging (via GitHub)" <gi...@apache.org>.
printfdebugging commented on issue #8851:
URL: https://github.com/apache/cloudstack/issues/8851#issuecomment-2083779299
I was getting the same error. Turns out that reading the log files helps, as a log file is cloudstack's way of communicating back what's the issue. I searched for "server resources" in the log file, and found that it's related to libvirtd. Then I checked for if libvirtd is running is fine or not using `# systemctl status libvirtd`, and I found that it wasn't. Then I ran `journalctl -xe` as asked in the libvirtd status info, and found that there was some syntax error in libvirtd.conf.
I hope it helps somehow.
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