Merge "Update the glossary to lay down Watcher terminology"
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@ -41,7 +41,8 @@ of the OpenStack :ref:`Cluster <cluster_definition>` such as:
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- Changing the current state of an hypervisor (enable or disable) with Nova
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- Changing the current state of an hypervisor (enable or disable) with Nova
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In most cases, an :ref:`Action <action_definition>` triggers some concrete
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In most cases, an :ref:`Action <action_definition>` triggers some concrete
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commands on an existing OpenStack module (Nova, Neutron, Cinder, Ironic, etc.).
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commands on an existing OpenStack module (Nova, Neutron, Cinder, Ironic, etc.)
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via a :ref:`Primitive <primitive_definition>`.
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An :ref:`Action <action_definition>` has a life-cycle and its current state may
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An :ref:`Action <action_definition>` has a life-cycle and its current state may
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be one of the following:
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be one of the following:
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@ -544,6 +545,24 @@ specific domain.
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Please, read `the official OpenStack definition of a Project <http://docs.openstack.org/glossary/content/glossary.html>`_.
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Please, read `the official OpenStack definition of a Project <http://docs.openstack.org/glossary/content/glossary.html>`_.
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.. _primitive_definition
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Primitive
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=========
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A :ref:`Primitive <primitive_definition>` is the component that carries out a
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certain type of atomic :ref:`Actions <action_definition>` on a given
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:ref:`Managed resource <managed_resource_definition>` (nova, swift, neutron,
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glance,..). A :ref:`Primitive <primitive_definition>` is a part of the
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:ref:`Watcher Applier <watcher_applier_definition>` module.
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For example, there can be a :ref:`Primitive <primitive_definition>` which is
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responsible for creating a snapshot of a given instance on a Nova compute node.
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This :ref:`Primitive <primitive_definition>` knows exactly how to send
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the appropriate commands to Nova for this type of
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:ref:`Actions <action_definition>`.
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.. _sla_definition:
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.. _sla_definition:
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SLA
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SLA
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