MAAS metrics reference

Details of parameters measured by MAAS metrics

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This document provides a comprehensive reference for the available MAAS metrics, categorised into two main sections: “Cluster metrics” and “Performance metrics.” These metrics are crucial for monitoring and managing your MAAS infrastructure effectively.

In the following sections, we will delve deeper into each metric, providing detailed tables to help you make the most of MAAS metrics for your infrastructure management.

Cluster metrics

maas_machines

The number of machines known by MAAS, by status

  • Type: Gauge
  • Unit: Count of machines
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    status machine status

maas_nodes

Number of nodes known by MAAS per type (machine, device or controller)

  • Type: Gauge
  • Unit: Count of machines
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    type type of node (machine/device/controller)

maas_net_spaces

Number of network spaces

  • Type: Gauge
  • Unit: Count of spaces
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_net_fabrics

Number of network fabrics

  • Type: Gauge
  • Unit: Count of fabrics
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_net_vlans

Number of network VLANs

  • Type: Gauge
  • Unit: Count of vlans
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_net_subnets_v4

Number of IPv4 subnets

  • Type: Gauge
  • Unit: Count ipv4 subnets
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_net_subnets_v6

Number of IPv6 subnets

  • Type: Gauge
  • Unit: Count of ipv6 subnets
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_net_subnet_ip_count

Number of IPs in a subnet by status

  • Type: Gauge
  • Unit: Count of ips
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    status available or used

maas_net_subnet_ip_dynamic

Number of used dynamic IPs in a subnet

  • Type: Gauge
  • Unit: Count of used dynamic ips
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    status available or used
    cidr subnet address

maas_net_subnet_ip_reserved

Number of used reserved IPs in a subnet

  • Type: Gauge
  • Unit: Count of used reserved ips
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    status available or used
    cidr subnet address

maas_net_subnet_ip_static

Number of used static IPs in a subnet

  • Type: Gauge
  • Unit: Count of used static ips
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    status available or used
    cidr subnet address

maas_machines_total_mem

Amount of combined memory for all machines

  • Type: Gauge
  • Unit: Megabytes of memory
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_machines_total_cpu

Amount of combined CPU counts for all machines

  • Type: Gauge
  • Unit: Count of cpus
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_machines_total_storage

Amount of combined storage space for all machines

  • Type: Gauge
  • Unit: Bytes of storage
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_kvm_pods

Number of KVM hosts

  • Type: Gauge
  • Unit: Count of kvm hosts
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_kvm_machines

Number of virtual machines allocated in KVM hosts

  • Type: Gauge
  • Unit: Count of virtual machines
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_kvm_cores

Total number of CPU cores present on KVM hosts

  • Type: Gauge
  • Unit: Count of kvm cores
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    status available or used

maas_kvm_memory

Total amount of RAM present on KVM hosts

  • Type: Gauge
  • Unit: Megabytes of memory
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    status available or used

maas_kvm_storage

Total amount of storage space present on KVM hosts

  • Type: Gauge
  • Unit: Bytes of storage
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    status available or used

maas_kvm_overcommit_cores

Total number of CPU cores present on KVM hosts adjusted by the overcommit setting

  • Type: Gauge
  • Unit: Overcommitted number of cores
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_kvm_overcommit_memory

Total amount of RAM present on KVM hosts adjusted by the overcommit setting

  • Type: Gauge
  • Unit: Overcommitted megabytes of memory
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_machine_arches

Total number of machines per architecture

  • Type: Gauge
  • Unit: Count of machines
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    arch machine architecture

maas_custom_static_images_uploaded

Number of custom OS images present in MAAS

  • Type: Gauge
  • Unit: Count of images
  • Labels
    Label Description
    maas_id MAAS cluster UUID
    base_image custom image base OS
    file_type image file type

maas_custom_static_images_deployed

Number deployed machines running custom OS images

  • Type: Gauge
  • Unit: Count of images
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_vmcluster_projects

Number of KVM clusters

  • Type: Gauge
  • Unit: Count of projects
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_vmcluster_hosts

Total number of KVM hosts in clusters

  • Type: Gauge
  • Unit: Count of vm hosts
  • Labels
    Label Description
    maas_id MAAS cluster UUID

maas_vmcluster_vms

Total number of virtual machines in KVM clusters

  • Type: Gauge
  • Unit: Count of virtual machines
  • Labels
    Label Description
    maas_id MAAS cluster UUID

Performance metrics

maas_http_request_latency

The time MAAS takes to process a REST API call. It doesn’t include any time associated with network, including proxy processing

  • Type: Histogram
  • Unit: Seconds
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID
    method HTTP method
    op REST API operation name
    path REST API endpoint
    status HTTP response status code

maas_http_response_size

The size of REST API responses

  • Type: Histogram
  • Unit: Bytes
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID
    method HTTP method
    op REST API operation name
    path REST API endpoint
    status HTTP response status code

maas_http_request_query_count

The number of database operations executed per REST API call

  • Type: Histogram
  • Unit: None
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID
    method HTTP method
    op REST API operation name
    path REST API endpoint
    status HTTP response status code

maas_http_request_query_latency

The time required to perform a single database operation during a REST API call. The database latency is measured from the moment MAAS starts a transaction until it gets the response

  • Type: Histogram
  • Unit: Seconds
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID
    method HTTP method
    op REST API operation name
    path REST API endpoint
    status HTTP response status code

maas_rack_region_rpc_call_latency

The time a Region controller takes to perform a RPC call to a Rack controller. The latency is measured from the request to the response.

  • Type: Histogram
  • Unit: Seconds
  • Labels
    Label Description
    call RPC operation
    host controller IP address
    maas_id MAAS cluster UUID

maas_region_rack_rpc_call_latency

The time a Rack controller takes to perform a RPC call to a Region controller. The latency is measured from the request to the response.

  • Type: Histogram
  • Unit: Seconds
  • Labels
    Label Description
    call RPC operation
    host controller IP address
    maas_id MAAS cluster UUID

maas_websocket_call_query_count

The number of database operations executed per WebSocket call

  • Type: Histogram
  • Unit: None
  • Labels
    Label Description
    call WS operation
    host controller IP address
    maas_id MAAS cluster UUID

maas_websocket_call_query_latency

The time required to perform a single database operation during a WebSocket call. The database latency is measured from the moment MAAS starts a transaction until it gets the response

  • Type: Histogram
  • Unit: Seconds
  • Labels
    Label Description
    call WS operation
    host controller IP address
    maas_id MAAS cluster UUID

maas_websocket_call_latency

The time MAAS takes to process a WebSocket call. It doesn’t include any time associated with network, including proxy processing

  • Type: Histogram
  • Unit: Seconds
  • Labels
    Label Description
    call WS operation
    host controller IP address
    maas_id MAAS cluster UUID

maas_dns_update_latency

The time MAAS takes to setup all zones in the DNS service per update type, which can be ‘reload’ (cold-start) or ‘dynamic’ (RNDC operation)

  • Type: Histogram
  • Unit: Seconds
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID
    update_type reload or dynamic

maas_dns_full_zonefile_write_count

Count of full DNS zone rewrite operations

  • Type: Counter
  • Unit: None
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID
    zone DNS zone name

maas_dns_dynamic_update_count

Count of dynamic DNS zone update operations

  • Type: Counter
  • Unit: None
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID
    zone DNS zone name

maas_rpc_pool_exhaustion_count

number of occurrences of the RPC connection pool allocate its maximum number of connections

  • Type: Counter
  • Unit: None
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID

maas_lxd_fetch_machine_failure

Total number of failures for fetching LXD machines

  • Type: Counter
  • Unit: None
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID

maas_lxd_disk_creation_failure

Total number of failures of LXD disk creation

  • Type: Counter
  • Unit: None
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID

maas_virsh_storage_pool_creation_failure

Total number of failures of virsh storage pool creation

  • Type: Counter
  • Unit: None
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID

maas_virsh_fetch_mac_failure

Total number of failures of virsh interfaces enumeration

  • Type: Counter
  • Unit: None
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID

maas_virsh_fetch_description_failure

Total number of failures of virsh domain description

  • Type: Counter
  • Unit: None
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID

maas_tftp_file_transfer_latency

Time required to transfer a file to a machine using TFTP

  • Type: Histogram
  • Unit: Seconds
  • Labels
    Label Description
    host controller IP address
    maas_id MAAS cluster UUID
    filename file requested

Last updated a month ago.