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Manage Compute service quotas As an administrative user, you can use the nova quota-* commands, which are provided by the python-novaclient package, to update the Compute Service quotas for a specific tenant or tenant user, as well as update the quota defaults for a new tenant.
Compute Quota Descriptions
Quota Name Description
cores Number of instance cores (VCPUs) allowed per tenant.
fixed-ips Number of fixed IP addresses allowed per tenant. This number must be equal to or greater than the number of allowed instances.
floating-ips Number of floating IP addresses allowed per tenant.
injected-file-content-bytes Number of content bytes allowed per injected file.
injected-file-path-bytes Number of bytes allowed per injected file path.
injected-files Number of injected files allowed per tenant.
instances Number of instances allowed per tenant.
key-pairs Number of key pairs allowed per user.
metadata-items Number of metadata items allowed per instance.
ram Megabytes of instance ram allowed per tenant.
security-groups Number of security groups per tenant.
security-group-rules Number of rules per security group.
View and update Compute quotas for a tenant (project) To view and update default quota values List all default quotas for all tenants, as follows: $ nova quota-defaults For example: $ nova quota-defaults +-----------------------------+-------+ | Quota | Limit | +-----------------------------+-------+ | instances | 10 | | cores | 20 | | ram | 51200 | | floating_ips | 10 | | fixed_ips | -1 | | metadata_items | 128 | | injected_files | 5 | | injected_file_content_bytes | 10240 | | injected_file_path_bytes | 255 | | key_pairs | 100 | | security_groups | 10 | | security_group_rules | 20 | +-----------------------------+-------+ Update a default value for a new tenant, as follows: $ nova quota-class-update --key value default For example: $ nova quota-class-update --instances 15 default To view quota values for an existing tenant (project) Place the tenant ID in a useable variable, as follows: $ tenant=$(keystone tenant-list | awk '/tenantName/ {print $2}') List the currently set quota values for a tenant, as follows: $ nova quota-show --tenant $tenant For example: $ nova quota-show --tenant $tenant +-----------------------------+-------+ | Quota | Limit | +-----------------------------+-------+ | instances | 10 | | cores | 20 | | ram | 51200 | | floating_ips | 10 | | fixed_ips | -1 | | metadata_items | 128 | | injected_files | 5 | | injected_file_content_bytes | 10240 | | injected_file_path_bytes | 255 | | key_pairs | 100 | | security_groups | 10 | | security_group_rules | 20 | +-----------------------------+-------+ To update quota values for an existing tenant (project) Obtain the tenant ID, as follows: $ tenant=$(keystone tenant-list | awk '/tenantName/ {print $2}') Update a particular quota value, as follows: # nova quota-update --quotaName quotaValue tenantID For example: # nova quota-update --floating-ips 20 $tenant # nova quota-show --tenant $tenant +-----------------------------+-------+ | Quota | Limit | +-----------------------------+-------+ | instances | 10 | | cores | 20 | | ram | 51200 | | floating_ips | 20 | | fixed_ips | -1 | | metadata_items | 128 | | injected_files | 5 | | injected_file_content_bytes | 10240 | | injected_file_path_bytes | 255 | | key_pairs | 100 | | security_groups | 10 | | security_group_rules | 20 | +-----------------------------+-------+ To view a list of options for the quota-update command, run: $ nova help quota-update
View and update Compute quotas for a tenant user To view quota values for a tenant user Place the user ID in a useable variable, as follows: $ tenantUser=$(keystone user-list | awk '/userName/ {print $2}') Place the user's tenant ID in a useable variable, as follows: $ tenant=$(keystone tenant-list | awk '/tenantName/ {print $2}') List the currently set quota values for a tenant user, as follows: $ nova quota-show --user $tenantUser --tenant $tenant For example: $ nova quota-show --user $tenantUser --tenant $tenant +-----------------------------+-------+ | Quota | Limit | +-----------------------------+-------+ | instances | 10 | | cores | 20 | | ram | 51200 | | floating_ips | 20 | | fixed_ips | -1 | | metadata_items | 128 | | injected_files | 5 | | injected_file_content_bytes | 10240 | | injected_file_path_bytes | 255 | | key_pairs | 100 | | security_groups | 10 | | security_group_rules | 20 | +-----------------------------+-------+ To update quota values for a tenant user Place the user ID in a useable variable, as follows: $ tenantUser=$(keystone user-list | awk '/userName/ {print $2}') Place the user's tenant ID in a useable variable, as follows: $ tenant=$(keystone tenant-list | awk '/userName/ {print $2}') Update a particular quota value, as follows: # nova quota-update --user $tenantUser --quotaName quotaValue $tenant For example: # nova quota-update --user $tenantUser --floating-ips 12 $tenant # nova quota-show --user $tenantUser --tenant $tenant +-----------------------------+-------+ | Quota | Limit | +-----------------------------+-------+ | instances | 10 | | cores | 20 | | ram | 51200 | | floating_ips | 12 | | fixed_ips | -1 | | metadata_items | 128 | | injected_files | 5 | | injected_file_content_bytes | 10240 | | injected_file_path_bytes | 255 | | key_pairs | 100 | | security_groups | 10 | | security_group_rules | 20 | +-----------------------------+-------+ To view a list of options for the quota-update command, run: $ nova help quota-update