a2f317339d
Security group rule quota is per-project, not per-group. Change-Id: Icc8119fa7d5451ee6efceeaad1371274c2846d67
356 lines
12 KiB
ReStructuredText
356 lines
12 KiB
ReStructuredText
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Manage Networking service quotas
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================================
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A quota limits the number of available resources. A default
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quota might be enforced for all projects. When you try to create
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more resources than the quota allows, an error occurs:
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.. code-block:: console
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$ openstack network create test_net
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Quota exceeded for resources: ['network']
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Per-project quota configuration is also supported by the quota
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extension API. See :ref:`cfg_quotas_per_tenant` for details.
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Basic quota configuration
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~~~~~~~~~~~~~~~~~~~~~~~~~
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In the Networking default quota mechanism, all projects have
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the same quota values, such as the number of resources that a
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project can create.
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The quota value is defined in the OpenStack Networking
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``/etc/neutron/neutron.conf`` configuration file. This example shows the
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default quota values:
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.. code-block:: ini
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[quotas]
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# number of networks allowed per tenant, and minus means unlimited
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quota_network = 10
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# number of subnets allowed per tenant, and minus means unlimited
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quota_subnet = 10
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# number of ports allowed per tenant, and minus means unlimited
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quota_port = 50
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# default driver to use for quota checks
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quota_driver = neutron.quota.ConfDriver
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OpenStack Networking also supports quotas for L3 resources:
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router and floating IP. Add these lines to the
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``quotas`` section in the ``/etc/neutron/neutron.conf`` file:
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.. code-block:: ini
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[quotas]
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# number of routers allowed per tenant, and minus means unlimited
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quota_router = 10
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# number of floating IPs allowed per tenant, and minus means unlimited
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quota_floatingip = 50
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OpenStack Networking also supports quotas for security group
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resources: number of security groups and number of rules.
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Add these lines to the ``quotas`` section in the
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``/etc/neutron/neutron.conf`` file:
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.. code-block:: ini
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[quotas]
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# number of security groups per tenant, and minus means unlimited
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quota_security_group = 10
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# number of security rules allowed per tenant, and minus means unlimited
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quota_security_group_rule = 100
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.. _cfg_quotas_per_tenant:
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Configure per-project quotas
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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OpenStack Networking also supports per-project quota limit by
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quota extension API.
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.. todo:: This document needs to be migrated to using ``openstack`` commands
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rather than the deprecated ``neutron`` commands.
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Use these commands to manage per-project quotas:
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neutron quota-delete
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Delete defined quotas for a specified project
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neutron quota-list
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Lists defined quotas for all projects
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neutron quota-show
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Shows quotas for a specified project
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neutron quota-default-show
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Show default quotas for a specified tenant
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neutron quota-update
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Updates quotas for a specified project
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Only users with the ``admin`` role can change a quota value. By default,
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the default set of quotas are enforced for all projects, so no
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:command:`quota-create` command exists.
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#. Configure Networking to show per-project quotas
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Set the ``quota_driver`` option in the ``/etc/neutron/neutron.conf`` file.
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.. code-block:: ini
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quota_driver = neutron.db.quota_db.DbQuotaDriver
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When you set this option, the output for Networking commands shows ``quotas``.
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#. List Networking extensions.
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To list the Networking extensions, run this command:
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.. code-block:: console
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$ openstack extension list --network
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The command shows the ``quotas`` extension, which provides
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per-project quota management support.
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.. note::
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Many of the extensions shown below are supported in the Mitaka release and later.
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.. code-block:: console
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+------------------------+------------------------+--------------------------+
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| Name | Alias | Description |
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+------------------------+------------------------+--------------------------+
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| ... | ... | ... |
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| Quota management | quotas | Expose functions for |
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| support | | quotas management per |
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| | | tenant |
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| ... | ... | ... |
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+------------------------+------------------------+--------------------------+
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#. Show information for the quotas extension.
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To show information for the ``quotas`` extension, run this command:
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.. code-block:: console
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$ neutron ext-show quotas
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+-------------+------------------------------------------------------------+
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| Field | Value |
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+-------------+------------------------------------------------------------+
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| alias | quotas |
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| description | Expose functions for quotas management per tenant |
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| links | |
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| name | Quota management support |
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| namespace | https://docs.openstack.org/network/ext/quotas-sets/api/v2.0 |
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| updated | 2012-07-29T10:00:00-00:00 |
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+-------------+------------------------------------------------------------+
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.. note::
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Only some plug-ins support per-project quotas.
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Specifically, Open vSwitch, Linux Bridge, and VMware NSX
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support them, but new versions of other plug-ins might
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bring additional functionality. See the documentation for
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each plug-in.
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#. List projects who have per-project quota support.
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The :command:`neutron quota-list` command lists projects for which the
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per-project quota is enabled. The command does not list projects with
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default quota support. You must be an administrative user to run this
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command:
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.. code-block:: console
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$ neutron quota-list
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+------------+---------+------+--------+--------+----------------------------------+
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| floatingip | network | port | router | subnet | tenant_id |
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+------------+---------+------+--------+--------+----------------------------------+
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| 20 | 5 | 20 | 10 | 5 | 6f88036c45344d9999a1f971e4882723 |
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| 25 | 10 | 30 | 10 | 10 | bff5c9455ee24231b5bc713c1b96d422 |
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+------------+---------+------+--------+--------+----------------------------------+
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#. Show per-project quota values.
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The :command:`neutron quota-show` command reports the current
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set of quota limits for the specified project.
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Non-administrative users can run this command without the
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``--tenant_id`` parameter. If per-project quota limits are
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not enabled for the project, the command shows the default
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set of quotas.
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.. note::
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Additional quotas added in the Mitaka release include ``security_group``,
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``security_group_rule``, ``subnet``, and ``subnetpool``.
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.. code-block:: console
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$ neutron quota-show --tenant_id 6f88036c45344d9999a1f971e4882723
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+---------------------+-------+
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| Field | Value |
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+---------------------+-------+
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| floatingip | 50 |
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| network | 10 |
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| port | 50 |
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| rbac_policy | 10 |
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| router | 10 |
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| security_group | 10 |
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| security_group_rule | 100 |
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| subnet | 10 |
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| subnetpool | -1 |
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+---------------------+-------+
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The following command shows the command output for a
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non-administrative user.
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.. code-block:: console
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$ neutron quota-show
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+---------------------+-------+
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| Field | Value |
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+---------------------+-------+
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| floatingip | 50 |
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| network | 10 |
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| port | 50 |
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| rbac_policy | 10 |
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| router | 10 |
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| security_group | 10 |
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| security_group_rule | 100 |
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| subnet | 10 |
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| subnetpool | -1 |
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+---------------------+-------+
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#. Update quota values for a specified project.
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Use the :command:`neutron quota-update` command to
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update a quota for a specified project.
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.. code-block:: console
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$ neutron quota-update --tenant_id 6f88036c45344d9999a1f971e4882723 --network 5
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+---------------------+-------+
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| Field | Value |
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+---------------------+-------+
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| floatingip | 50 |
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| network | 5 |
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| port | 50 |
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| rbac_policy | 10 |
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| router | 10 |
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| security_group | 10 |
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| security_group_rule | 100 |
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| subnet | 10 |
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| subnetpool | -1 |
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+---------------------+-------+
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You can update quotas for multiple resources through one
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command.
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.. code-block:: console
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$ neutron quota-update --tenant_id 6f88036c45344d9999a1f971e4882723 --subnet 5 --port 20
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+---------------------+-------+
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| Field | Value |
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+---------------------+-------+
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| floatingip | 50 |
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| network | 5 |
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| port | 20 |
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| rbac_policy | 10 |
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| router | 10 |
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| security_group | 10 |
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| security_group_rule | 100 |
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| subnet | 5 |
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| subnetpool | -1 |
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+---------------------+-------+
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To update the limits for an L3 resource such as, router
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or floating IP, you must define new values for the quotas
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after the ``--`` directive.
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This example updates the limit of the number of floating
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IPs for the specified project.
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.. code-block:: console
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$ neutron quota-update --tenant_id 6f88036c45344d9999a1f971e4882723 --floatingip 20
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+---------------------+-------+
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| Field | Value |
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+---------------------+-------+
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| floatingip | 20 |
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| network | 5 |
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| port | 20 |
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| rbac_policy | 10 |
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| router | 10 |
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| security_group | 10 |
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| security_group_rule | 100 |
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| subnet | 5 |
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| subnetpool | -1 |
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+---------------------+-------+
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You can update the limits of multiple resources by
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including L2 resources and L3 resource through one
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command:
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.. code-block:: console
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$ neutron quota-update --tenant_id 6f88036c45344d9999a1f971e4882723 \
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--network 3 --subnet 3 --port 3 --floatingip 3 --router 3
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+---------------------+-------+
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| Field | Value |
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+---------------------+-------+
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| floatingip | 3 |
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| network | 3 |
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| port | 3 |
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| rbac_policy | 10 |
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| router | 3 |
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| security_group | 10 |
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| security_group_rule | 100 |
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| subnet | 3 |
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| subnetpool | -1 |
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+---------------------+-------+
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#. Delete per-project quota values.
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To clear per-project quota limits, use the
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:command:`neutron quota-delete` command.
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.. code-block:: console
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$ neutron quota-delete --tenant_id 6f88036c45344d9999a1f971e4882723
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Deleted quota: 6f88036c45344d9999a1f971e4882723
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After you run this command, you can see that quota
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values for the project are reset to the default values.
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.. code-block:: console
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$ openstack quota show 6f88036c45344d9999a1f971e4882723
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+---------------------+-------+
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| Field | Value |
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+---------------------+-------+
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| floatingip | 50 |
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| network | 10 |
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| port | 50 |
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| rbac_policy | 10 |
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| router | 10 |
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| security_group | 10 |
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| security_group_rule | 100 |
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| subnet | 10 |
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| subnetpool | -1 |
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+---------------------+-------+
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.. note::
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Listing defualt quotas with the OpenStack command line client will
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provide all quotas for networking and other services. Previously,
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the :command:`neutron quota-show --tenant_id` would list only networking
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quotas.
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