修改 openstack 中 nova boot 创建实例只能在10个以内的限制，openstacknova

max_age=0

(IntOpt) number of seconds between subsequent usage refreshes

quota_cores=20

(IntOpt) number of instance cores allowed per project (tenant)

quota_driver=nova.quota.DbQuotaDriver

(StrOpt) Default driver to use for quota checks

quota_floating_ips=10

(IntOpt) number of floating ips allowed per project (tenant)

quota_gigabytes=1000

(IntOpt) number of volume gigabytes allowed per project (tenant)

quota_injected_file_content_bytes=10240

(IntOpt) number of bytes allowed per injected file

quota_injected_file_path_bytes=255

(IntOpt) number of bytes allowed per injected file path

quota_injected_files=5

(IntOpt) number of injected files allowed

quota_instances=10

(IntOpt) number of instances allowed per project (tenant)

quota_key_pairs=100

(IntOpt) number of key pairs allowed per user

quota_metadata_items=128

(IntOpt) number of metadata items allowed per instance

quota_ram=51200

(IntOpt) megabytes of instance ram allowed per project (tenant)

quota_security_group_rules=20

(IntOpt) number of security rules per security group

quota_security_groups=10

(IntOpt) number of security groups per project (tenant)

quota_volumes=10

(IntOpt) number of volumes allowed per project (tenant)

reservation_expire=86400

(IntOpt) number of seconds until a reservation expires

until_refresh=0

(IntOpt) count of reservations until usage is refreshed