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VMware vSphere Monitoring Overview

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Glouton can retrieve facts and metrics of hosts and VMs, using the API exposed by vCenters and ESXIs.

Configuration

Section titled “Configuration”

To enable VMware vSphere monitoring, you need to add the following section to your Bleemeo agent configuration:

vsphere:
  - url: "https://<vcenter-url>/sdk"
    username: "<username>"
    password: "<password>"
    insecure_skip_verify: false
    skip_monitor_vms: false

Note that you can add multiple vCenter appliances.

Metrics

Section titled “Metrics”

Host

Section titled “Host”
Metric Description
cpu_used Percentage of CPU capacity being used by the host
mem_total Total reservation, available and consumed, for powered-on VMs on the host
mem_used_perc Percentage of memory being used by the host
swap_in Amount of memory swapped in by the host
swap_out Amount of memory swapped out by the host
io_read_bytes Amount of data read from the disk by the host
io_write_bytes Amount of data written to the disk by the host
net_bits_sent Average rate at which data was transmitted by the host
net_bits_recv Average rate at which data was received by the host
vms_running_count Count of VM(s) currently running on the host
vms_stopped_count Count of VM(s) currently stopped on the host

VM

Section titled “VM”
Metric Description
cpu_used CPU utilization by the VM
vsphere_vm_cpu_latency_perc Percent of the time the VM is waiting for CPU to be available
mem_used_perc Percent of the memory used by the VM
swap_used Amount of swapped memory of the VM
io_read_bytes Amount read from the disk by the VM
io_write_bytes Amount written to the disk by the VM
net_bits_sent Data transmission rate of the VM
net_bits_recv Data reception rate of the VM
disk_used_perc Filesystem space used in percent

Labels

Section titled “Labels”

VSphere metrics have the following labels:

  • dcname
  • clustername (Not for standalone ESXis)
  • esxhostname (Only for hosts and VMs)
  • vmname (Only for VMs)

Additionally, metrics related to datastore, network or disk have an item label, which whether represents:

  • a specific datastore
  • a network interface
  • a disk
  • a partition