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README.rst
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README.rst
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@ -11,69 +11,17 @@ Team and repository tags
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os-vif
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======
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.. image:: https://img.shields.io/pypi/v/os-vif.svg
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:target: https://pypi.python.org/pypi/os-vif/
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:alt: Latest Version
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.. image:: https://img.shields.io/pypi/dm/os-vif.svg
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:target: https://pypi.python.org/pypi/os-vif/
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:alt: Downloads
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A library for plugging and unplugging virtual interfaces in OpenStack.
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Features
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--------
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* A base VIF plugin class that supplies a plug() and unplug() interface
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* Versioned objects that represent a virtual interface and its components
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Usage
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-----
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The interface to the `os_vif` library is very simple. To begin using the
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library, first call the `os_vif.initialize()` function. This will load
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all installed plugins and register the object model::
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import os_vif
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os_vif.initialize()
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Once the `os_vif` library is initialized, there are only two other library
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functions: `os_vif.plug()` and `os_vif.unplug()`. Both methods accept a single
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argument of type `os_vif.objects.VIF`::
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import uuid
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from nova import objects as nova_objects
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from os_vif import exception as vif_exc
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from os_vif import objects as vif_objects
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from os_vif import vnic_types
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instance_uuid = 'd7a730ca-3c28-49c3-8f26-4662b909fe8a'
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instance = nova_objects.Instance.get_by_uuid(instance_uuid)
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instance_info = vif_objects.InstanceInfo(
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uuid=instance.uuid,
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name=instance.name,
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project_id=instance.project_id)
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subnet = vif_objects.Subnet(cidr='192.168.1.0/24')
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subnets = vif_objects.SubnetList([subnet])
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network = vif_objects.Network(label='tenantnet',
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subnets=subnets,
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multi_host=False,
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should_provide_vlan=False,
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should_provide_bridge=False)
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vif_uuid = uuid.uuid4()
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vif = vif_objects.VIFVHostUser(id=vif_uuid,
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address=None,
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network=network,
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plugin='vhostuser',
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path='/path/to/socket',
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mode=vif_objects.fields.VIFVHostUserMode.SERVER)
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# Now do the actual plug operations to connect the VIF to
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# the backing network interface.
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try:
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os_vif.plug(vif, instance_info)
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except vif_exc.PlugException as err:
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# Handle the failure...
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# If you are removing a virtual machine and its interfaces,
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# you would use the unplug() operation:
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try:
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os_vif.unplug(vif, instance_info)
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except vif_exc.UnplugException as err:
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# Handle the failure...
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* License: Apache License, Version 2.0
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* Documentation: https://docs.openstack.org/developer/os-vif
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* Source: https://git.openstack.org/cgit/openstack/os-vif
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* Bugs: https://bugs.launchpad.net/os-vif
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@ -7,6 +7,7 @@ os-vif
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vif_types
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host_info
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usage
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plugins/ovs
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plugins/linux-bridge
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glossary
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@ -0,0 +1,63 @@
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=====
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Usage
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=====
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The interface to the `os_vif` library is very simple. To begin using the
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library, first call the `os_vif.initialize()` function. This will load all
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installed plugins and register the object model:
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.. code-block:: python
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import os_vif
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os_vif.initialize()
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Once the `os_vif` library is initialized, there are only two other library
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functions: `os_vif.plug()` and `os_vif.unplug()`. Both methods accept a single
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argument of type `os_vif.objects.VIF`:
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.. code-block:: python
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import uuid
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from nova import objects as nova_objects
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from os_vif import exception as vif_exc
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from os_vif import objects as vif_objects
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from os_vif import vnic_types
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instance_uuid = 'd7a730ca-3c28-49c3-8f26-4662b909fe8a'
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instance = nova_objects.Instance.get_by_uuid(instance_uuid)
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instance_info = vif_objects.InstanceInfo(
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uuid=instance.uuid,
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name=instance.name,
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project_id=instance.project_id)
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subnet = vif_objects.Subnet(cidr='192.168.1.0/24')
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subnets = vif_objects.SubnetList([subnet])
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network = vif_objects.Network(label='tenantnet',
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subnets=subnets,
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multi_host=False,
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should_provide_vlan=False,
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should_provide_bridge=False)
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vif_uuid = uuid.uuid4()
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vif = vif_objects.VIFVHostUser(id=vif_uuid,
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address=None,
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network=network,
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plugin='vhostuser',
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path='/path/to/socket',
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mode=vif_objects.fields.VIFVHostUserMode.SERVER)
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# Now do the actual plug operations to connect the VIF to
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# the backing network interface.
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try:
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os_vif.plug(vif, instance_info)
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except vif_exc.PlugException as err:
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# Handle the failure...
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# If you are removing a virtual machine and its interfaces,
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# you would use the unplug() operation:
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try:
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os_vif.unplug(vif, instance_info)
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except vif_exc.UnplugException as err:
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# Handle the failure...
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