Removed Control Loop from definition-controlloops

Issue-ID: POLICY-4059
Change-Id: I81489e379dc505fd5b148f8ab422177f9461cc20
Signed-off-by: brunomilitzer <bruno.militzer@est.tech>

1 files changed, 0 insertions, 273 deletions

diff --git a/docs/clamp/acm/defining-controlloops.rst b/docs/clamp/acm/defining-controlloops.rst
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-.. This work is licensed under a Creative Commons Attribution 4.0 International License.
-
-.. _defining-controlloops-label:
-
-Defining Control Loops in TOSCA for CLAMP
-#########################################
-
-
-.. contents::
-    :depth: 4
-
-
-A Control Loop Type is defined in a TOSCA service template. A TOSCA Service Template has
-two parts: a definition part in the service template itself, which contains the definitions
-of concepts that can be used to define the types of concepts that can appear on a Toplogy
-Template and a Topology Template that defines a topology. See the `Oasis Open TOSCA
-<https://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.3/>`_ web page
-for more details on TOSCA.
-
-Unsurprisingly, to define a Control Loop Type in TOSCA, of Control Loop related concepts
-that we can use in all control loops exist. They are described in Section 1. Section 2
-describes how properties are managed. Properties are the configuration parameters that are
-provided to Control Loops and the Control Loop Elements they use. Section 3 describes how to
-define a Control Loop using the predefined Control Loop concepts.
-
-
-1 Standard TOSCA Service Template Concepts for Control Loops
-============================================================
-
-These concepts are the base concepts available to users who write definitions for control
-loops in TOSCA. TOSCA control loop definitions are written using these concepts.
-
-1.1 Fundamental TOSCA Concepts for Control Loops
-------------------------------------------------
-
-The following TOSCA concepts are the fundamental concepts in a TOSCA Service Template for
-defining control loops.
-
-.. image:: images/defining-controlloops/fundamental-concepts.png
-
-The TOSCA concepts above may be declared in the TOSCA Service Template of a control loop.
-If the concepts already exist in the Design Time Catalogue or the Runtime Inventory, they
-may be omitted from a TOSCA service template that defines a control loop type.
-
-The *start_phase* is a value indicating the start phase in which this control loop element
-will be started, the first start phase is zero. Control Loop Elements are started in their
-start_phase order and stopped in reverse start phase order. Control Loop Elements with the
-same start phase are started and stopped simultaneously.
-
-The Yaml file that holds the Definition of `TOSCA fundamental Control Loop Types is available in Github
-<https://github.com/onap/policy-clamp/blob/master/common/src/main/resources/tosca/ControlLoopTOSCAServiceTemplateTypes.yaml>`_
-and is the canonical definition of the Control Loop concepts.
-
-1.2 TOSCA Concepts for Control Loop Elements delivered by ONAP
---------------------------------------------------------------
-
-TOSCA Standard Control Loop Elements
-
-.. image:: images/defining-controlloops/standard-cle.png
-  :width: 600
-
-1.2.1 Policy Control Loop Element
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-The Policy Participant runs Policy Control Loop Elements. Each Policy Control Loop Element
-manages the deployment of the policy specified in the Policy Control Loop Element definition.
-The Yaml file that holds the `Policy Control Loop Element Type definition is available in Github
-<https://github.com/onap/policy-clamp/blob/master/common/src/main/resources/tosca/PolicyControlLoopElementType.yaml>`_
-and is the canonical definition of the Policy Control Loop Element type. For a description of
-the Policy Control Loop Element and Policy Participant, please see `The CLAMP Policy Framework
-Participant <#>`_ page.
-
-1.2.2 HTTP Control Loop Element
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-The HTTP Participant runs HTTP Control Loop Elements. Each HTTP Control Loop Element manages
-REST communication towards a REST endpoint using the REST calls a user has specified in the
-configuration of the HTTP Control Loop Element. The Yaml file that holds the
-`HTTP Control Loop Element Type definition is available in Github
-<https://github.com/onap/policy-clamp/blob/master/common/src/main/resources/tosca/HttpControlLoopElementType.yaml>`_
-and is the canonical definition of the HTTP Control Loop Element type. For a description of
-the HTTP Control Loop Element and HTTP Participant, please see `The CLAMP HTTP Participant <#>`_ page.
-
-.. _kubernetes-cl-element:
-
-1.2.3 Kubernetes Control Loop Element
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-The Kubernetes Participant runs Kubernetes Control Loop Elements. Each Kubernetes Control Loop
-Element manages a Kubernetes microservice using Helm. The user defines the Helm chart for the
-Kubernetes microservice as well as other properties that the microservice requires in order to
-execute. The Yaml file that holds the
-`Kubernetes Control Loop Element Type defintion is available in Github
-<https://github.com/onap/policy-clamp/blob/master/common/src/main/resources/tosca/KubernetesControlLoopElementType.yaml>`_
-and is the canonical definition of the Kubernetes Control Loop Element type. For a description
-of the Kubernetes Control Loop Element and Kubernetes Participant,please see
-`The CLAMP Kubernetes Participant <#>`_ page.
-
-
-2 Common and Instance Specific Properties
-=========================================
-
-Properties are used to define the configuration for Control Loops and Control Loop Elements.
-At design time, the types, constraints, and descriptions of the properties are specified.
-The values for properties are specified in the CLAMP GUI at runtime. TOSCA provides support
-for defining properties, see `Section 3.6.10: TOSCA Property Definition
-<https://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.3/os/TOSCA-Simple-Profile-YAML-v1.3-os.html#DEFN_ELEMENT_PROPERTY_DEFN>`_
-in the TOSCA documentation.
-
-2.1 Terminology for Properties
-------------------------------
-
-**Property:** Metadata defined in TOSCA that is associated with a Control Loop, a Control
-Loop Element, or a Participant.
-
-**TOSCA Property Type:** The TOSCA definition of the type of a property. A property can have
-a generic type such as string or integer or can have a user defined TOSCA data type.
-
-**TOSCA Property Value:** The value of a Property Type. Property values are assigned at run
-time in CLAMP.
-
-**Common Property Type:** Property Types that apply to all instances of a Control Loop Type.
-
-**Common Property Value:** The value of a Property Type. It is assigned at run time once for
-all instances of a Control Loop Type.
-
-**Instance Specific Property Type:** Property Types that apply to an individual instance of
-a Control Loop Type.
-
-**Instance Specific Property Value:** The value of a Property Type that applies to an
-individual instance of a Control Loop Type. The value is assigned at run time for each
-control loop instance.
-
-Control Loop Properties can be *common* or *instance specific*. See Section 2 of
-:ref:`TOSCA Defined Control Loops: Architecture and Design <controlloop-capabilities>`
-for a detailed description of the usage of common and instance specific properties.
-
-2.2 Common Properties
----------------------
-
-Common properties apply to all instances of a control loop. Common properties are identified
-by a special metadata flag in Control Loop and Control Loop Element definitions. For example,
-the startPhase parameter on any Control Loop Element has the same value for any instance of
-that control loop element, so it is defined as shown below in the
-`Definition of TOSCA fundamental Control Loop Types
-<https://github.com/onap/policy-clamp/blob/master/common/src/main/resources/tosca/ControlLoopTOSCAServiceTemplateTypes.yaml>`_
-yaml file.
-
-.. code-block:: yaml
-
-    startPhase:
-      type: integer
-      required: false
-      constraints:
-      - greater-or-equal: 0
-      description: A value indicating the start phase in which this control loop element will be started, the
-                  first start phase is zero. Control Loop Elements are started in their start_phase order and stopped
-                  in reverse start phase order. Control Loop Elements with the same start phase are started and
-                  stopped simultaneously
-      metadata:
-        common: true
-
-The "common: true" value in the metadata of the startPhase property identifies that property
-as being a common property. This property will be set on the CLAMP GUI during control loop
-commissioning.
-
-2.3 Instance Specific Properties
---------------------------------
-
-Instance Specific  properties apply to individual instances of a Control Loop and/or Control
-Loop Element and must be set individually for Control Loop and Control Loop Element instance.
-Properties are instance specific by default, but can be identified by a special metadata flag
-in Control Loop and Control Loop Element definitions. For example, the chart parameter on a
-Kubernetes Control Loop Element has a different value for every instance of a Kubernetes Control
-Loop Element, so it can be defined as shown below in the :ref:`Kubernetes Control Loop Type definition
-<kubernetes-cl-element>` yaml file.
-
-
-.. code-block:: yaml
-
-    # Definition that omits the common flag metadata
-    chart:
-      type: org.onap.datatypes.policy.clamp.controlloop.kubernetesControlLoopElement.Chart
-      typeVersion: 1.0.0
-      description: The helm chart for the microservice
-      required: true
-
-    # Definition that specifies the common flag metadata
-    chart:
-      type: org.onap.datatypes.policy.clamp.controlloop.kubernetesControlLoopElement.Chart
-      typeVersion: 1.0.0
-      description: The helm chart for the microservice
-      required: true
-      metadata:
-        common: false
-
-The "common: false" value in the metadata of the chart property identifies that property as
-being an instance specific property. This property will be set on the CLAMP GUI during control
-loop instantiation.
-
-
-3 Writing a Control Loop Type Definition
-=========================================
-
-The TOSCA definition of a control loop contains a TOSCA Node Template for the control loop
-itself, which contains TOSCA Node Templates for each Control Loop Element that makes up the
-Control Loop.
-
-.. image:: images/defining-controlloops/controlloop-node-template.png
-  :width: 600
-
-To create a control loop, a user creates a TOSCA Topology Template. In the Topology Template,
-the user creates a TOSCA Node Template for each Control Loop Element that will be in the
-Control Loop Definition. Finally, the user creates the Node Template that defines the Control
-Loop itself, and references the Control Loop Element definitions that make up the Control Loop
-Definition.
-
-3.1 The Gentle Guidance Control Loop
-------------------------------------
-
-The best way to explain how to create a Control Loop Definition is by example.
-
-.. image:: images/defining-controlloops/gentle-guidance-controlloop.png
-
-The example Gentle Guidance control loop is illustrated in the diagram above. The domain logic for the control loop is
-implemented in a microservice running in Kubernetes, a policy, and some configuration that is passed to the microservice
-over a REST endpoint. We want to manage the life cycle of the domain logic for our Gentle Guidance control loop using
-our TOSCA based Control Loop Life Cycle Management approach. To do this we create four Control Loop Element definitions,
-one for the Kubernetes microservice, one for the policy and one or the REST configuration.
-
-3.2 The TOSCA Control Loop Definition
--------------------------------------
-
-We use a TOSCA Topology Template to specify a Control Loop definition and the definitions of
-its Control Loop Elements. Optionally, we can specify default parameter values in the TOSCA
-Topology Template. The actual values of Control Loop common and instance specific parameters
-are set at run time in the CLAMP GUI.
-
-In the case of the Gentle Guidance control loop, we define a Control Loop Element Node Template
-for each part of the domain logic we are managing. We then define the Control Loop Node Template
-for the control loop itself.
-
-Please refer to the `No Properties yaml file in Github
-<https://github.com/onap/policy-clamp/blob/master/common/src/test/resources/gentleguidance/GentleGuidanceNoPropeties.yaml>`_
-for the definitive Yaml specification for the TOSCA Topology Template for the Gentle Guidance
-domain when no parameters are defined.
-
-Please refer to the `Default Properties yaml file in Github
-<https://github.com/onap/policy-clamp/blob/master/common/src/test/resources/gentleguidance/GentleGuidanceDefaultPropeties.yaml>`_
-for the definitive Yaml specification for the TOSCA Topology Template for the Gentle Guidance
-domain when the default values of parameters are defined.
-
-
-4 Creating Custom Control Loop Elements
-========================================
-
-Any organization can include their own component in the framework and use the framework and have
-the Policy Framework CLAMP manage the lifecycle of domain logic in their component as part of a
-Control Loop. To do this, a participant for the component must be developed that allows Control
-Loop Elements for that component to be run. To develop a participant, the participant must comply
-with the `CLAMP Participants <#>`_
-framework and in particular comply with `The CLAMP Control Loop Participant Protocol <#>`_.
-The organization must also specify a new Control Loop Element type definition in TOSCA similar to
-those supplied in ONAP and described in Section 1.2. This Control Loop Element type tells the
-CLAMP Control Loop Lifecycle management that the Control Loop Element exists and can be included
-in control loops. It also specifies the properties that can be specified for the Control Loop Element.
-
-An organization can supply the code for the Participant (for example as a Java jar file) and a
-TOSCA artifact with the Control Loop Element definition and it can be added to the platform. In
-future releases, support will be provided to include participants and their Control Loop Element
-definitions as packaged plugins that can be installed on the platform.
-
-End of document