You are here
OpenStack Nova Server Monitoring
This Host Template is part of the Openstack Monitoring Opspack
Host Template: Cloud - OpenStack - Nova Server
Monitor the status of your OpenStack Servers/Instances.
This Host Template includes the following Service Checks:
| Service Check Name | Description | Default Thresholds (Warning, Critical) | UOM |
|---|---|---|---|
| OpenStack - Nova Server - CPU Usage | The CPU usage of the server | server_cpu_usage=70,90 | % |
| OpenStack - Nova Server - Disk Bytes | The rate of disk read/writes in bytes across all disks | N/A | bytes_per_minute |
| OpenStack - Nova Server - Disk Errors | The rate of disk errors across all disks | N/A | per_minute |
| OpenStack - Nova Server - Disk Requests | The rate of disk read/writes requests across all disks | N/A | per_minute |
| OpenStack - Nova Server - Memory Usage | The current usage of the servers allocated memory | server_memory_usage=70,90 | % |
| OpenStack - Nova Server - Network In | The rate of incoming packets received, dropped and lost | N/A | per_minute |
| OpenStack - Nova Server - Network Out | The rate of outgoing packets sent, dropped and lost | N/A | per_minute |
| OpenStack - Nova Server - Status | The current state of the server. Possible values are 'pending', 'paused', 'running', 'shutdown', 'crashed', 'suspended' | N/A | N/A |
Usage Instructions
Step 1: Add this Host Template
Add the Cloud - OpenStack - Nova Server Host Template to your Opsview Cloud host. If the resource you're monitoring has no hostname or public IP, then open the Advanced settings pane and change Host Check Command to Always assumed to be UP.
For more information, refer to Opsview Knowledge Center - Adding Host Templates to Hosts.
Step 2: Add and configure variables required for this Host Template
The Service Checks in this Host Template use the following variables, and they will be added to your Opsview Cloud instance when you import the Opspack:
OPENSTACK_SERVICE_ENDPOINT
The Value is not used and therefore can be set to anything.
| Parameter | Position in Variable | Name | Description |
|---|---|---|---|
| --openstack-service-protocol | Arg1 | OpenStack Service Protocol | The protocol (HTTP/HTTPS) that the OpenStack service is listening on. |
| --openstack-service-address | Arg2 | OpenStack Service Address | The IP or hostname that the OpenStack service is listening on. |
| --openstack-service-port | Arg3 | OpenStack Service Port | The port that the OpenStack service is listening on. |
| --openstack-service-version | Arg4 | OpenStack Service Version | The version of the OpenStack service. |
OPENSTACK_CREDENTIALS
The Value is not used and therefore can be set to anything.
| Parameter | Position in Variable | Name | Description |
|---|---|---|---|
| --username | Arg1 | OpenStack Username | The username of your OpenStack monitoring credentials. |
| --password | Arg2 | OpenStack Password | The password of your OpenStack monitoring credentials. |
| --domain | Arg3 | OpenStack Domain | The OpenStack domain you wish to monitor. |
OPENSTACK_KEYSTONE_ENDPOINT
The Value is not used and therefore can be set to anything.
| Parameter | Position in Variable | Name | Description |
|---|---|---|---|
| --openstack-keystone-service-protocol | Arg1 | OpenStack Keystone Protocol | The protocol (HTTP/HTTPS) that the OpenStack keystone service is listening on. |
| --openstack-keystone-service-address | Arg2 | OpenStack Keystone Address | The IP or hostname that the OpenStack keystone service is listening on. |
| --openstack-keystone-service-port | Arg3 | OpenStack Keystone Port | The port that the OpenStack keystone service is listening on. |
OPENSTACK_SERVER_NAME
| Parameter | Position in Variable | Name | Description |
|---|---|---|---|
| --server-name | Value | OpenStack Server Name | The name of the OpenStack server / instance to monitor. |
OPENSTACK_PROJECT
| Parameter | Position in Variable | Name | Description |
|---|---|---|---|
| --project | Value | OpenStack Project | The OpenStack project you wish to monitor. |
For more information, refer to Opsview Knowledge Center - Adding Variables to Hosts.
For mode-specific help, run the plugin with the -h -m <mode> flags. This will list the required and optional Variable Arguments for that mode. The appropriate mode for each Service Check is listed here:
| Service Check Name | Mode |
|---|---|
| OpenStack - Nova Server - CPU Usage | OpenStack.Nova.Server.CPU |
| OpenStack - Nova Server - Disk Bytes | OpenStack.Nova.Server.Disk.Bytes |
| OpenStack - Nova Server - Disk Errors | OpenStack.Nova.Server.Disk.Errors |
| OpenStack - Nova Server - Disk Requests | OpenStack.Nova.Server.Disk.Requests |
| OpenStack - Nova Server - Memory Usage | OpenStack.Nova.Server.Memory |
| OpenStack - Nova Server - Network In | OpenStack.Nova.Server.Network.RX |
| OpenStack - Nova Server - Network Out | OpenStack.Nova.Server.Network.TX |
| OpenStack - Nova Server - Status | OpenStack.Nova.Server.Status |
SSL Certificates
Additionally, if ssl verification is required, you can use the following variable to pass in your SSL certificates for use when connecting to the service provider to gather metrics:
OPENSTACK_CERTIFICATES
The Value is not used and therefore can be set to anything. Override the arguments with your certificates.
| Parameter | Position in Variable | Name | Description |
|---|---|---|---|
| --ca-path | Arg1 | CA Certificate Path | Path to the CA Certificate. Optional, only required if server verification is needed. |
| --client-cert | Arg2 | Client Certificate Path | Path to the Client Certificate. Optional, only required if client verification is needed. |
| --client-key | Arg3 | Client Key Path | Path to the Client Key. Optional, only required if client verification is needed. |
Step 3: Apply changes and the system will now be monitored
Troubleshooting Permissions
The Opsview 'read' user requires 'GET' access to the following Nova endpoints with minimum scope of 'project':
- /servers
- /servers/{server_id}
- /servers{server_id}/diagnostics
For more information regarding OpenStack Nova policies, refer to Nova configuration policy.
