Reference: MAAS metrics

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This page provides a MAAS metrics reference, categorised into two sections: “Cluster metrics” and “Performance metrics.”

Cluster metrics

The following cluster metrics are available for MAAS.

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

The following performance metrics are available for MAAS.

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 5 months ago.

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