- Created by MS, last modified on Mar 19, 2018
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VM monitoring and metrics via API tutorial
This tutorial will show you the basics of working with VM monitoring and metrics via API.
To work through this tutorial, you will need:
- A VM that is not deployed (or powered off)
- This tutorial uses an example VM that is not deployed
- A monitoring server and a user with the privileges to Manage virtual machine metrics (USERS_ENABLE_DISABLE_VM_METRICS)
- ??? User with privileges to work with VMs and Manage virtual machine backup configuration (VAPP_MANAGE_BACKUP) because backups previously used metadata
Get the VM and the link to enable monitoring
To get started, use a query to retrieve all of your VMs from the cloud and select the desired VM. Here we are filtering the VMs using the "has" parameter to select one using part of the name, which is an easy way to find a VM that you have located in the UI.
GET all virtual machines in the cloud, filtering by name
curl -X GET https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualmachines?has=ABQ_4fd49a02 \ -H "Accept: application/vnd.abiquo.virtualmachines+json; version=4.2" \ -u user:password --verbose | pjson
Click here to show or hide the API response example
Success status code: 200
Response:
{
"links": [
{
"rel": "first",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualmachines?limit=25&has=ABQ_4fd49a02&by=name&asc=true"
},
{
"rel": "last",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualmachines?startwith=0&limit=25&has=ABQ_4fd49a02&by=name&asc=true"
}
],
"collection": [
{
"id": 12,
"uuid": "4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"name": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"label": "yVM (9)",
"description": "A virtual machine",
"cpu": 1,
"ram": 48,
"vdrpEnabled": false,
"vdrpPort": 0,
"idState": 1,
"state": "NOT_ALLOCATED",
"idType": 0,
"type": "MANAGED",
"highDisponibility": 0,
"password": "h0gfuBUu",
"metadata": null,
"monitored": false,
"protected": false,
"variables": {},
"creationTimestamp": 1520595596000,
"backuppolicies": [],
"generateGuestInitialPassword": false,
"natrules": [],
"links": [
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "edit",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
},
{
"title": "Abiquo",
"rel": "enterprise",
"type": "application/vnd.abiquo.enterprise+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/admin/enterprises/1"
},
{
"title": "Cloud Administrator",
"rel": "user",
"type": "application/vnd.abiquo.user+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/admin/enterprises/1/users/1"
},
{
"title": "MJ_backup",
"rel": "virtualdatacenter",
"type": "application/vnd.abiquo.virtualdatacenter+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2"
},
{
"title": "vapp_mj_backup",
"rel": "virtualappliance",
"type": "application/vnd.abiquo.virtualappliance+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3"
},
{
"title": "metadata",
"rel": "metadata",
"type": "application/vnd.abiquo.metadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metadata"
},
{
"title": "vlan network configurations",
"rel": "configurations",
"type": "application/vnd.abiquo.virtualmachinenetworkconfigurations+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/network/configurations"
},
{
"title": "nics",
"rel": "nics",
"type": "application/vnd.abiquo.nics+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/network/nics"
},
{
"title": "disks",
"rel": "harddisks",
"type": "application/vnd.abiquo.harddisks+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/storage/disks"
},
{
"title": "NOT_ALLOCATED",
"rel": "state",
"type": "application/vnd.abiquo.virtualmachinestate+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/state"
},
{
"title": "virtual machine undeploy",
"rel": "undeploy",
"type": "application/vnd.abiquo.acceptedrequest+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/action/undeploy"
},
{
"title": "virtual machine deploy",
"rel": "deploy",
"type": "application/vnd.abiquo.acceptedrequest+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/action/deploy"
},
{
"title": "virtual machine reset",
"rel": "reset",
"type": "application/vnd.abiquo.acceptedrequest+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/action/reset"
},
{
"title": "virtual machine snapshot",
"rel": "instance",
"type": "application/vnd.abiquo.acceptedrequest+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/action/instance"
},
{
"title": "remote access",
"rel": "rdpaccess",
"type": "application/vnd.abiquo.virtualmachineconsole+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/config/rdpaccess"
},
{
"title": "tasks",
"rel": "tasks",
"type": "application/vnd.abiquo.tasks+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/tasks"
},
{
"title": "firewalls",
"rel": "firewalls",
"type": "application/vnd.abiquo.links+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/firewalls"
},
{
"title": "load balancers",
"rel": "loadbalancers",
"type": "application/vnd.abiquo.loadbalancers+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/loadbalancers"
},
{
"title": "request on demand backup",
"rel": "requestbackup",
"type": "application/vnd.abiquo.ondemandbackup+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/backup/action/request"
},
{
"title": "request a restore of a backup",
"rel": "requestrestore",
"type": "application/vnd.abiquo.restore+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/backup/action/restore"
},
{
"title": "volumes",
"rel": "volumes",
"type": "application/vnd.abiquo.volumes+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/storage/volumes"
},
{
"diskControllerType": "IDE",
"diskLabel": "Hard disk 1",
"length": "64",
"title": "8629d108-9b47-4014-8256-eebf5ff25ec0",
"rel": "disk0",
"type": "application/vnd.abiquo.harddisk+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/disks/18"
},
{
"title": "protect",
"rel": "protect",
"type": "text/plain",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/action/protect"
},
{
"title": "unprotect",
"rel": "unprotect",
"type": "text/plain",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/action/unprotect"
},
{
"title": "metricsmetadata",
"rel": "metricsmetadata",
"type": "application/vnd.abiquo.metricsmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics"
},
{
"title": "enablemonitoring",
"rel": "enablemonitoring",
"type": "",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/enablemonitoring"
},
{
"title": "collectd",
"rel": "collectd",
"type": "application/json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/collectd"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/alarms"
},
{
"title": "actionplans",
"rel": "actionplans",
"type": "application/vnd.abiquo.virtualmachineactionplans+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/actionplans"
},
{
"title": "actionplansflat",
"rel": "actionplansflat",
"type": "application/vnd.abiquo.virtualmachineactionplansflat+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/actionplans"
},
{
"title": "clone",
"rel": "clone",
"type": "application/vnd.abiquo.virtualmachinecloneoptions+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/action/clone"
},
{
"title": "KVM",
"rel": "hypervisortype",
"type": "application/vnd.abiquo.hypervisortype+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/config/hypervisortypes/KVM"
},
{
"title": "yVM",
"rel": "virtualmachinetemplate",
"type": "application/vnd.abiquo.virtualmachinetemplate+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/admin/enterprises/1/datacenterrepositories/1/virtualmachinetemplates/3"
},
{
"title": "Others",
"rel": "category",
"type": "application/vnd.abiquo.category+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/config/categories/1"
}
]
}
],
"totalSize": 1,
"duplicatedvms": []
}
From the VM data object, we will now focus on the monitoring and metrics attributes and links.
First note that the "monitored" attribute has a value of "false", which means that the platform will not fetch metrics for the VM. Also note that the VM metadata does not have a "monitoring-metrics" object.
"metadata": null, "monitored": false
Also from the VM data object, note the link to access metrics, which is as follows.
{
"title": "metricsmetadata",
"rel": "metricsmetadata",
"type": "application/vnd.abiquo.metricsmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics"
},
Later on, we will also need the VM metadata link to store the names of the specific metrics to retrieve.
{
"title": "metadata",
"rel": "metadata",
"type": "application/vnd.abiquo.metadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metadata"
},
The link to enable monitoring and metrics fetch is the one with the "rel" value of "enablemonitoring".
{
"title": "enablemonitoring",
"rel": "enablemonitoring",
"type": "",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/enablemonitoring"
},
Obtain the metrics available for the VM
First to obtain all the information about the metrics available for the VM, perform a GET request to metricsmetadata link.
GET VM metrics metadata
curl -X GET https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics \ -H "Accept: application/vnd.abiquo.metricsmetadata+json; version=4.2" \ -u user:password --verbose | pjson
The request returns a lot of information including links that you can use to access the data for retrieved metrics when the VM is deployed.
Click here to expand...
{
"links": [
{
"title": "metricsmetadata",
"rel": "self",
"type": "application/vnd.abiquo.metricsmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
}
],
"collection": [
{
"links": [
{
"title": "disk_rd_requests_total",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_rd_requests_total"
},
{
"title": "disk_rd_requests_total",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_rd_requests_total"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_rd_requests_total/alarms"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
}
],
"name": "disk_rd_requests_total",
"description": "total read requests of the block devices",
"unit": "",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "cpu_usage",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/cpu_usage"
},
{
"title": "cpu_usage",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/cpu_usage"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/cpu_usage/alarms"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
}
],
"name": "cpu_usage",
"description": "cpu usage charged to user instructions",
"unit": "percentage",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
},
{
"title": "vcpu_number",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/vcpu_number"
},
{
"title": "vcpu_number",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/vcpu_number"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/vcpu_number/alarms"
}
],
"name": "vcpu_number",
"description": "number of vcpus",
"unit": "",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/cpu_time/alarms"
},
{
"title": "cpu_time",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/cpu_time"
},
{
"title": "cpu_time",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/cpu_time"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
}
],
"name": "cpu_time",
"description": "cpu time charged to user instructions",
"unit": "nanoseconds",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_wr_requests_total/alarms"
},
{
"title": "disk_wr_requests_total",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_wr_requests_total"
},
{
"title": "disk_wr_requests_total",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_wr_requests_total"
}
],
"name": "disk_wr_requests_total",
"description": "total write requests of the block devices",
"unit": "",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "vcpu_time",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/vcpu_time"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/vcpu_time/alarms"
},
{
"title": "vcpu_time",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/vcpu_time"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
}
],
"name": "vcpu_time",
"description": "vcpu time (cpu_time excluding hypervisor time)",
"unit": "nanoseconds",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_rx_bytes_total/alarms"
},
{
"title": "if_rx_bytes_total",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_rx_bytes_total"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
},
{
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"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_wr_bytes/alarms"
},
{
"title": "disk_wr_bytes",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_wr_bytes"
},
{
"title": "disk_wr_bytes",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_wr_bytes"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
}
],
"name": "disk_wr_bytes",
"description": "number of write bytes of the block devices",
"unit": "bytes",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "if_tx_drops_total",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_tx_drops_total"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
},
{
"title": "if_tx_drops_total",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_tx_drops_total"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_tx_drops_total/alarms"
}
],
"name": "if_tx_drops_total",
"description": "total drops on transmit of the network interfaces",
"unit": "",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_rd_bytes_total/alarms"
},
{
"title": "disk_rd_bytes_total",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_rd_bytes_total"
},
{
"title": "disk_rd_bytes_total",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_rd_bytes_total"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
}
],
"name": "disk_rd_bytes_total",
"description": "total number of read bytes of the block devices",
"unit": "bytes",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_rd_bytes/alarms"
},
{
"title": "disk_rd_bytes",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_rd_bytes"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
},
{
"title": "disk_rd_bytes",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/disk_rd_bytes"
}
],
"name": "disk_rd_bytes",
"description": "number of read bytes of the block devices",
"unit": "bytes",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "if_rx_packets_total",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_rx_packets_total"
},
{
"title": "if_rx_packets_total",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_rx_packets_total"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_rx_packets_total/alarms"
}
],
"name": "if_rx_packets_total",
"description": "total received packets of the network interfaces",
"unit": "",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "if_tx_errors",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_tx_errors"
},
{
"title": "if_tx_errors",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_tx_errors"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_tx_errors/alarms"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
}
],
"name": "if_tx_errors",
"description": "errors on transmit of the network interfaces",
"unit": "",
"namespace": "virtualmachine",
"dimensions": {}
},
{
"links": [
{
"title": "if_rx_bytes",
"rel": "metric",
"type": "application/vnd.abiquo.metric+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_rx_bytes"
},
{
"title": "ABQ_4fd49a02-033a-4e0a-b27b-a295f6f858a4",
"rel": "virtualmachine",
"type": "application/vnd.abiquo.virtualmachine+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12"
},
{
"title": "alarms",
"rel": "alarms",
"type": "application/vnd.abiquo.alarms+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_rx_bytes/alarms"
},
{
"title": "if_rx_bytes",
"rel": "self",
"type": "application/vnd.abiquo.metricmetadata+json",
"href": "https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metrics/if_rx_bytes"
}
],
"name": "if_rx_bytes",
"description": "number of received bytes of the network interfaces",
"unit": "bytes",
"namespace": "virtualmachine",
"dimensions": {}
}
]
}
To start with, we will use the name attributes of metrics to fetch specific metrics for the VM, in this example, the "vcpu_time" and "used_mem".
Enable monitoring and fetch metrics
When you enable monitoring in the UI, you edit the VM and go to the Monitoring and Metrics tab, select "Fetch metrics" and select the metrics to retrieve.
In the API, we will do this in two steps. First send a POST request to the link with the "rel" value of "enablemonitoring".
curl -X POST https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/enablemonitoring \
-H 'Accept:text/json,application/json' \
-u user:password --verbose
For the example VM, which is undeployed, the successful request returns a status code of 204 with no content.
However, the platform will not retrieve any metrics yet.
Prepare a metadata object
To retrieve specific metrics, add the metric names to the VM metadata.
Writing to metadata overwrites all existing metadata, so always start with a GET request to retrieve the existing metadata to use as the base object for adding metadata.
curl -X GET https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metadata \
-H 'Accept:application/vnd.abiquo.metadata+json; version=4.2' \
-u user:password --verbose
In this example, the metadata was null but it could contain user data, a startup script, Chef integration data, and so on.
Here we replaced the null metadata value with a "monitoring-metrics" attribute, with a list two metric names from the metricsmetadata request above.
{
"links": [],
"metadata": {
"monitoring-metrics": [
{
"name": "vcpu_time"
},
{
"name": "used_mem"
}
]
}
}
Update VM metadata
To update the VM metadata, perform a PUT request to the VM metadata link.
curl -X PUT https://mjsabiquo.bcn.abiquo.com:443/api/cloud/virtualdatacenters/2/virtualappliances/3/virtualmachines/12/metadata \
-H 'Accept:application/vnd.abiquo.metadata+json; version=4.2' \
-H 'Content-Type:application/vnd.abiquo.metadata+json; version=4.2' \
-d @requestpayload.json \
-u user:password --verbose
In this case, the requestpayload.json file should contain the JSON object from the previous step.
Metadata requestpayload.json object
{
"links": [],
"metadata": {
"monitoring-metrics": [
{
"name": "cpu_time"
},
{
"name": "used_mem"
}
]
}
}
If the request is successful, it will return a status code of 200 and the updated metadata object.
{
"links": [],
"metadata": {
"monitoring-metrics": [
{
"name": "cpu_time"
},
{
"name": "used_mem"
}
]
}
}
Now when you access the VM in the UI, you should see the metrics symbol on the VM icon. When you edit the VM on the Monitoring tab, the above metrics should be selected.
And if you deploy the VM and wait a little while, the platform should display the requested metrics.
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