diff options
| author |   Dan Timoney <dtimoney@att.com> | 2020-08-10 12:12:41 +0000 |
|---|---|---|
| committer |   Gerrit Code Review <gerrit@onap.org> | 2020-08-10 12:12:41 +0000 |
| commit | 26fe74dd5776276f432e5159e5f7f70a3a106292 (patch) | |
| tree | e40a610b9d9f54a458902b737aae250e0fa29956 | |
| parent | 6bd8ce3a79f4caefa0b810a71285d96edb389da4 (diff) | |
| parent | 7c3f39504a14c056d860e09ece970ccde349053f (diff) | |
Merge "Adding Modeling Concepts documentation from COnfluence to RDT"
| -rw-r--r-- | docs/conf.py | 2 | ||||
| -rw-r--r-- | docs/index.rst | 1 | ||||
| -rw-r--r-- | docs/media/dd_mapping_template_rel.png | bin | 0 -> 62055 bytes | |||
| -rw-r--r-- | docs/modelingconcepts/artifact-type.rst | 186 | ||||
| -rw-r--r-- | docs/modelingconcepts/cba.rst | 36 | ||||
| -rw-r--r-- | docs/modelingconcepts/data-dictionary.rst | 113 | ||||
| -rw-r--r-- | docs/modelingconcepts/data-type.rst | 231 | ||||
| -rw-r--r-- | docs/modelingconcepts/dynamic-payload.rst | 78 | ||||
| -rw-r--r-- | docs/modelingconcepts/enrichment.rst | 56 | ||||
| -rw-r--r-- | docs/modelingconcepts/expression.rst | 101 | ||||
| -rw-r--r-- | docs/modelingconcepts/flexible-plug-in.rst | 122 | ||||
| -rw-r--r-- | docs/modelingconcepts/node-type.rst | 1032 | ||||
| -rw-r--r-- | docs/modelingconcepts/overview.rst | 48 | ||||
| -rw-r--r-- | docs/modelingconcepts/scripts.rst | 27 | ||||
| -rw-r--r-- | docs/modelingconcepts/southbound-interfaces.rst | 23 | ||||
| -rw-r--r-- | docs/modelingconcepts/template.rst | 23 | ||||
| -rw-r--r-- | docs/modelingconcepts/test.rst | 40 | ||||
| -rw-r--r-- | docs/modelingconcepts/tosca-meta.rst | 80 | ||||
| -rw-r--r-- | docs/modelingconcepts/workflow.rst | 322 |
19 files changed, 2521 insertions, 0 deletions
diff --git a/docs/conf.py b/docs/conf.py index d211470a6..de84a196d 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -7,6 +7,8 @@ linkcheck_ignore = [ 'http://localhost', ] +extensions = ['sphinx_tabs.tabs'] + intersphinx_mapping = {} html_last_updated_fmt = '%d-%b-%y %H:%M' diff --git a/docs/index.rst b/docs/index.rst index 9427fa9a2..bf6bba508 100644 --- a/docs/index.rst +++ b/docs/index.rst @@ -74,6 +74,7 @@ Modeling Concept Links: .. toctree:: :maxdepth: 1 + modelingconcepts/overview microservices/controllerBlueprintStudioProcessorMS microservices/bluePrintsProcessorMS microservices/expression diff --git a/docs/media/dd_mapping_template_rel.png b/docs/media/dd_mapping_template_rel.png Binary files differnew file mode 100644 index 000000000..cfe98e140 --- /dev/null +++ b/docs/media/dd_mapping_template_rel.png diff --git a/docs/modelingconcepts/artifact-type.rst b/docs/modelingconcepts/artifact-type.rst new file mode 100644 index 000000000..15a968e18 --- /dev/null +++ b/docs/modelingconcepts/artifact-type.rst @@ -0,0 +1,186 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-1386016968 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +.. _artifact_type: + +Artifact Type +------------------------------------- + +Represents the **type of a artifact**, used to **identify** the +**implementation** of the functionality supporting this type of artifact. + +`TOSCA definition <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454213>`_ + +This node was created, derived from ``tosca.artifacts.Root`` to be the root TOSCA node for all artifact. + +.. code-block:: JSON + :caption: **tosca.artifacts.Implementation** + + { + "description": "TOSCA base type for implementation artifacts", + "version": "1.0.0", + "derived_from": "tosca.artifacts.Root" + } + +**Bellow is a list of supported artifact types** + +.. tabs:: + + .. tab:: Velocity + + **artifact-template-velocity** + + Represents an Apache Velocity template. + + Apache Velocity allow to insert **logic** (if / else / loops / etc) when processing the output of a template/text. + + File must have **.vtl** extension. + + The **template** can represent anything, such as device config, payload to interact with 3rd party systems, + :ref:`resource-accumulator template`, etc... + + Often a template will be **parameterized**, and each **parameter** + must be defined within an mapping file (see 'Mapping' in this tab). + + `Velocity reference document <http://velocity.apache.org/engine/1.7/user-guide.html>`_ + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/artifact_type/artifact-template-velocity.json>`_ + is the TOSCA artifact type: + + .. code-block:: JSON + :caption: **artifact-template-velocity** + + { + "description": "TOSCA base type for implementation artifacts", + "version": "1.0.0", + "derived_from": "tosca.artifacts.Root" + } + + .. tab:: Jinja + + **artifact-template-jinja** + + Represents an Jinja template. + + Jinja template allow to insert **logic** (if / else / loops / etc) when processing the output of a template/text. + + File must have **.jinja** extension. + + The **template** can represent **anything**, such as device config, + payload to interact with 3rd party systems, :ref:`resource-accumulator template`, etc... + + Often a template will be parameterized, and each parameter must be defined within an :ref:`mapping file`. + + `Jinja reference document <https://jinja.palletsprojects.com/en/2.10.x/>`_ + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/artifact_type/artifact-template-jinja.json>`_ + is the TOSCA artifact type: + + .. code-block:: JSON + :caption: **artifact-template-jinja** + + { + "description": " Jinja Template used for Configuration", + "version": "1.0.0", + "file_ext": [ + "jinja" + ], + "derived_from": "tosca.artifacts.Implementation" + } + + .. tab:: Mapping + + **artifact-mapping-resource** + + This type is meant to represent **mapping** files defining the **contract of each resource** to be resolved. + + Each **parameter** in a template **must** have a corresponding mapping definition, + modeled using datatype-resource-assignment (see :ref:`data_type`-> resources-asignment). + + Hence the mapping file is meant to be a list of entries defined using datatype-resource-assignment + (see :ref:`data_type`-> resources-asignment). + + File must have **.json** extension. + + The **template** can represent **anything**, such as device config, + payload to interact with 3rd party systems, resource-accumulator template, etc... + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/artifact_type/artifact-mapping-resource.json>`_ + is the TOSCA artifact type: + + .. code-block:: JSON + :caption: **artifact-mapping-resource** + + { + "description": "Resource Mapping File used along with Configuration template", + "version": "1.0.0", + "file_ext": [ + "json" + ], + "derived_from": "tosca.artifacts.Implementation" + } + + The mapping file basically contains a reference to the data dictionary to use + to resolve a particular resource. + + The data dictionary defines the HOW and the mapping defines the WHAT. + + **Relation between data dictionary, mapping and template.** + + Below are two examples using color coding to help understand the relationships. + + In orange is the information regarding the template. As mentioned before, + template is part of the blueprint itself, and for the blueprint to know what template to use, + the name has to match. + + In green is the relationship between the value resolved within the template, + and how it's mapped coming from the blueprint. + + In blue is the relationship between a resource mapping to a data dictionary. + + In red is the relationship between the resource name to be resolved and the HEAT environment variables. + + The key takeaway here is that whatever the value is for each color, it has to match all across. + This means both right and left hand side are equivalent; it's all on the designer to express + the modeling for the service. That said, best practice is example 1. + + .. image:: ../media/dd_mapping_template_rel.png + :scale: 100 % + :align: center + + .. tab:: Directed Graph + + **artifact-directed-graph** + + Represents a directed graph. + + This is to represent a **workflow**. + + File must have **.xml** extension. + + Here is the list of executors currently supported (see here for explanation and full potential list: + `Service Logic Interpreter Nodes <https://wiki.onap.org/display/DW/Service+Logic+Interpreter+Nodes>`_ + + * execute + * block + * return + * break + * exit + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/artifact_type/artifact-directed-graph.json>`_ + is the TOSCA artifact type: + + .. code-block:: json + :caption: **artifact-directed-graph** + + { + "description": "Directed Graph File", + "version": "1.0.0", + "file_ext": [ + "json", + "xml" + ], + "derived_from": "tosca.artifacts.Implementation" + } diff --git a/docs/modelingconcepts/cba.rst b/docs/modelingconcepts/cba.rst new file mode 100644 index 000000000..a400ef614 --- /dev/null +++ b/docs/modelingconcepts/cba.rst @@ -0,0 +1,36 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-66498 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +.. _cba: + +Controller Blueprint Archive (.cba) +------------------------------------- + +The **C**\ ontroller **B**\ lueprint **A**\ rchive is the overall service design, fully model-driven, intent based +**package** needed for provisioning and configuration management automation. + +The CBA is **.zip** file, comprised of the following folder structure, the files may vary: + +.. code-block:: + + ├── Definitions + │ ├── blueprint.json Overall TOSCA service template (worfklow + node_template) + │ ├── artifact_types.json (generated by enrichment) + │ ├── data_types.json (generated by enrichment) + │ ├── node_types.json (generated by enrichment) + │ ├── relationship_types.json (generated by enrichment) + │ └── resources_definition_types.json (generated by enrichment) + ├── Environments Contains *.properties files as required by the service + ├── Plans Contains Directed Graph + ├── Tests Contains uat.yaml file for testing the cba actions within a cba **package + ├── Scripts Contains scripts + │ ├── python Python scripts + │ └── kotlin Kotlin scripts + ├── TOSCA-Metadata + │ └── TOSCA.meta Meta-data of overall package + └── Templates Contains combination of mapping and template + +To process a CBA for any service we need to enrich it first. This will gather all the node- type, data-type, +artifact-type, data-dictionary definitions provided in the blueprint.json.
\ No newline at end of file diff --git a/docs/modelingconcepts/data-dictionary.rst b/docs/modelingconcepts/data-dictionary.rst new file mode 100644 index 000000000..f2dbc3524 --- /dev/null +++ b/docs/modelingconcepts/data-dictionary.rst @@ -0,0 +1,113 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-1386016968 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +.. _data_dictionary: + +Data Dictionary +----------------- + +A data dictionary **models the how** a specific **resource** can be **resolved**. + +A resource is a **variable/parameter** in the context of the service. +It can be anything, but it should not be confused with SDC or Openstack resources. + +A data dictionary can have **multiple sources** to handle resolution in different ways. + +The main goal of data dictionary is to define **re-usable** entity that could be shared. + +**Creation** of data dictionaries is a **standalone** activity, separated from the blueprint design. + +As part of modelling a data dictionary entry, the following generic information should be provided: + +.. list-table:: + :widths: 25 50 25 + :header-rows: 1 + + * - Property + - Description + - Scope + * - updated-by + - The creator + - Mandatory + * - tags + - Information related + - Mandatory + * - sources + - List of resource source instance (see :ref:`resource source`) + - Mandatory + * - property + - Defines type and description, as nested JSON + - Mandatory + * - name + - Data dictionary name + - Mandatory + +**Bellow are properties that all the resource source can have** + +The modeling does allow for **data translation** between external capability +and CDS for both input and output key mapping. + +.. list-table:: + :widths: 25 50 25 + :header-rows: 1 + + * - Property + - Description + - Scope + * - input-key-mapping + - map of resources required to perform the request/query. The left hand-side is what is used within + the query/request, the right hand side refer to a data dictionary instance. + - Optional + * - output-key-mapping + - name of the resource to be resolved mapped to the value resolved by the request/query. + - Optional + * - key-dependencies + - | list of data dictionary instances to be resolved prior the resolution of this specific resource. + | during run time execution the key dependencies are recursively sorted and resolved + in batch processing using the `acyclic graph algorithm + <https://en.wikipedia.org/wiki/Directed_acyclic_graph>`_ + - Optional + +**Example:** + +``vf-module-model-customization-uuid`` and ``vf-module-label`` are two data dictionaries. +A SQL table, VF_MODULE_MODEL, exist to correlate them. + +Here is how input-key-mapping, output-key-mapping and key-dependencies can be used: + +.. list-table:: + :widths: 100 + :header-rows: 1 + + * - vf-module-label data dictionary + * - .. code-block:: JSON + + + { + "name" : "vf-module-label", + "tags" : "vf-module-label", + "updated-by" : "adetalhouet", + "property" : { + "description" : "vf-module-label", + "type" : "string" + }, + "sources" : { + "primary-db" : { + "type" : "source-primary-db", + "properties" : { + "type" : "SQL", + "query" : "select sdnctl.VF_MODULE_MODEL.vf_module_label as vf_module_label + from sdnctl.VF_MODULE_MODEL where sdnctl.VF_MODULE_MODEL.customization_uuid=:customizationid", + "input-key-mapping" : { + "customizationid" : "vf-module-model-customization-uuid" + }, + "output-key-mapping" : { + "vf-module-label" : "vf_module_label" + }, + "key-dependencies" : [ "vf-module-model-customization-uuid" ] + } + } + } + }
\ No newline at end of file diff --git a/docs/modelingconcepts/data-type.rst b/docs/modelingconcepts/data-type.rst new file mode 100644 index 000000000..d9861a23c --- /dev/null +++ b/docs/modelingconcepts/data-type.rst @@ -0,0 +1,231 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-1581473264 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +.. _data_type: + +Data type +------------------------------------- + +Represents the **schema** of a specific type of **data**. + +Supports both **primitive** and **complex** data types: + +.. list-table:: + :widths: 50 50 + :header-rows: 1 + + * - Primitive + - Complex + * - * string + * integer + * float + * double + * boolean + * timestamp + * null + - * json + * list + * array +For complex data type, an **entry schema** is required, defining the +type of value contained within the complex type, if list or array. + +Users can **create** as many **data type** as needed. + +.. note:: + + **Creating Custom Data Types:** + + To create a custom data-type you can use a POST call to CDS endpoint: + "<cds-ip>:<cds-port>/api/v1/model-type" + + .. code-block:: python + :caption: **Payload:** + + { + + "model-name": "<model-name>", + "derivedFrom": "tosca.datatypes.Root", + + "definitionType": "data_type", + + "definition": { + + "description": "<description>", + + "version": "<version-number: eg 1.0.0>", + + "properties": {<add properties of your custom data type in JSON format>}, + + "derived_from": "tosca.datatypes.Root" + + }, + + "description": "<description", + + "version": "<version>", + + "tags": "<model-name>,datatypes.Root.data_type", + + "creationDate": "<creation timestamp>", + + "updatedBy": "<name>" + + } + +Data type are useful to manipulate data during resource resolution. +They can be used to format the JSON output as needed. + +List of existing data type: +`<https://github.com/onap/ccsdk-cds/tree/master/components/model-catalog/definition-type/starter-type/data_type>`_ + +`TOSCA specification +<http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454187>`_ + +**Below is a list of existing data types** + +.. tabs:: + + .. tab:: resource-assignment + + **datatype-resource-assignment** + + Used to define entries within artifact-mapping-resource + (see tab Artifact Type -> artifact-mapping-resource) + + That datatype represent a **resource** to be resolved. We also refer + this as an **instance of a data dictionary** as it's directly linked to + its definition. + + .. list-table:: + :widths: 50 50 + :header-rows: 1 + + * - Property + - Description + * - property + - Defines how the resource looks like (see datatype-property on the right tab) + * - input-param + - Whether the resource can be provided as input. + * - dictionary-name + - Reference to the name of the data dictionary (see :ref:`data_dictionary`). + * - dictionary-source + - Reference the source to use to resolve the resource (see :ref:`resource source`). + * - dependencies + - List of dependencies required to resolve this resource. + * - updated-date + - Date when mapping was upload. + * - updated-by + - Name of the person that updated the mapping. + + `<https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/data_type/datatype-resource-assignment.json>`_ + + .. code-block:: JSON + :caption: **datatype-resource-assignment** + + { + "version": "1.0.0", + "description": "This is Resource Assignment Data Type", + "properties": { + "property": { + "required": true, + "type": "datatype-property" + }, + "input-param": { + "required": true, + "type": "boolean" + }, + "dictionary-name": { + "required": false, + "type": "string" + }, + "dictionary-source": { + "required": false, + "type": "string" + }, + "dependencies": { + "required": true, + "type": "list", + "entry_schema": { + "type": "string" + } + }, + "updated-date": { + "required": false, + "type": "string" + }, + "updated-by": { + "required": false, + "type": "string" + } + }, + "derived_from": "tosca.datatypes.Root" + } + + .. tab:: property + + **datatype-property** + + Used to defined the **property** entry of a **resource assignment**. + + .. list-table:: + :widths: 25 75 + :header-rows: 1 + + * - Property + - Description + * - type + - Whether it's a primitive type, or a defined data-type + * - description + - Description of for the property + * - required + - Whether it's required or not + * - default + - If there is a default value to provide + * - entry_schema + - If the type is a complex one, such as list, define what is the type of element within the list. + + `<https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/data_type/datatype-property.json>`_ + + .. code-block:: JSON + :caption: **datatype-property** + + { + "version": "1.0.0", + "description": "This is Resource Assignment Data Type", + "properties": { + "property": { + "required": true, + "type": "datatype-property" + }, + "input-param": { + "required": true, + "type": "boolean" + }, + "dictionary-name": { + "required": false, + "type": "string" + }, + "dictionary-source": { + "required": false, + "type": "string" + }, + "dependencies": { + "required": true, + "type": "list", + "entry_schema": { + "type": "string" + } + }, + "updated-date": { + "required": false, + "type": "string" + }, + "updated-by": { + "required": false, + "type": "string" + } + }, + "derived_from": "tosca.datatypes.Root" + }
\ No newline at end of file diff --git a/docs/modelingconcepts/dynamic-payload.rst b/docs/modelingconcepts/dynamic-payload.rst new file mode 100644 index 000000000..731df542f --- /dev/null +++ b/docs/modelingconcepts/dynamic-payload.rst @@ -0,0 +1,78 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +Dynamic Payload +------------------------------------- + +One of the most important API provided by the run time is to execute a CBA Package. + +The nature of this API **request** and **response** is **model +driven** and **dynamic**. + +Here is how the a **generic request** and **response** look like. + +.. list-table:: + :widths: 50 50 + :header-rows: 1 + + * - request + - response + * - .. code-block:: json + + { + "commonHeader": { + "originatorId": "", + "requestId": "", + "subRequestId": "" + }, + "actionIdentifiers": { + "blueprintName": "", + "blueprintVersion": "", + "actionName": "", + "mode": "" + }, + "payload": { + "$actionName-request": { + "$actionName-properties": { + } + } + } + } + + - .. code-block:: json + + { + "commonHeader": { + "originatorId": "", + "requestId": "", + "subRequestId": "" + }, + "actionIdentifiers": { + "blueprintName": "", + "blueprintVersion": "", + "actionName": "", + "mode": "" + }, + "payload": { + "$actionName-response": { + } + } + } + +The ``actionName``, under the ``actionIdentifiers`` refers to the name of a +Workflow (see :ref:`workflow`) + +The content of the ``payload`` is what is fully dynamic / model driven. + +The first **top level element** will always be either +``$actionName-request`` for a request or ``$actionName-response`` for a response. + +Then the **content within this element** is fully based on the +**workflow** **inputs** and **outputs**. + +During the :ref:`enrichment` CDS will aggregate all the resources +defined to be resolved as input (see :ref:`node_type` -> Source -> Input), within mapping definition files +(see :ref:`artifact_type` -> Mapping), as data-type, that will then be use as type +of an input called ``$actionName-properties``.
\ No newline at end of file diff --git a/docs/modelingconcepts/enrichment.rst b/docs/modelingconcepts/enrichment.rst new file mode 100644 index 000000000..8ea1ed3a7 --- /dev/null +++ b/docs/modelingconcepts/enrichment.rst @@ -0,0 +1,56 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +.. _enrichment: + +Enrichment +----------- + +The idea is that the CBA is a self-sufficient package, hence requires +all the various types definition its using. + +Reason for this is the types its using might evolve. In order for the +CBA to be bounded to the version it has been using when it has been +designed, these types are embedded in the CBA, so if they change, the +CBA is not affected. + +The enrichment process will complete the package by providing all the +definition of types used: + +* gather all the node-type used and put them into a :file:`node_types.json` file +* gather all the data-type used and put them into a :file:`data_types.json` file +* gather all the artifact-type used and put them into a :file:`artifact_types.json` file +* gather all the data dictionary definitions used from within the mapping files and put them + into a :file:`resources_definition_types.json` file + +.. warning:: + Before uploading a CBA, it must be enriched. If your package is already enrich, + you do not need to perform enrichment again. + +The enrichment can be run using REST API, and required the **.zip** file as input. +It will return an :file:`enriched-cba.zip` file. + +.. code-block:: bash + + curl -X POST \ + 'http://{{ip}}:{{cds-designtime}}/api/v1/blueprint-model/enrich' \ + -H 'content-type: multipart/form-data' \ + -F file=@cba.zip + +The enrichment process will also, for all resources to be resolved as input and default: + +* dynamically gather them under a data-type, named ``dt-${actionName}-properties`` +* will add it as a input of the workflow, as follow using this name: ``${actionName}-properties`` + +Example for workflow named *resource-assignment*: + +.. code-block:: JSON + :caption: **dynamic input** + + { + "resource-assignment-properties": { + "required": true, + "type": "dt-resource-assignment-properties" + }
\ No newline at end of file diff --git a/docs/modelingconcepts/expression.rst b/docs/modelingconcepts/expression.rst new file mode 100644 index 000000000..639f700ef --- /dev/null +++ b/docs/modelingconcepts/expression.rst @@ -0,0 +1,101 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-198012600 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + + +.. _expression: + +Expression +------------------------------------- + +TOSCA provides for a set of functions to reference elements within the template or to retrieve runtime values. + +**Below is a list of supported expressions** + +.. tabs:: + + .. tab:: get_input + + **get_input** + + The **get_input** function is used to retrieve the values of properties declared + within the inputs section of a TOSCA Service Template. + + Within CDS, this is mainly Workflow inputs. + + `TOSCA specification + <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454178>`_ + + **Example:** + + `<https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/blueprint-model/test-blueprint/golden/Definitions/golden-blueprint.json#L210>`_ + + .. code-block:: JSON + + "resolution-key": { + "get_input": "resolution-key" + } + + .. tab:: get_property + + **get_property** + + The **get_property** function is used to retrieve property values between modelable + entities defined in the same service template. + + `TOSCA specification + <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454178>`_ + + **Example:** + + TBD + + .. tab:: get_attribute + + **get_attribute** + + The **get_attribute** function is used to retrieve the values of named attributes declared + by the referenced node or relationship template name. + + `TOSCA specification + <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454178>`_ + + **Example:** + + `<https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/blueprint-model/test-blueprint/golden/Definitions/golden-blueprint.json#L64-L67>`_ + + .. code-block:: JSON + + "get_attribute": [ + "resource-assignment", + "assignment-params" + ] + + .. tab:: get_operation_output + + **get_operation_output** + + The **get_operation_output** function is used to retrieve property values between modelable + entities defined in the same service template. + + `TOSCA specification + <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454180>`_ + + **Example:** + + TBD + + .. tab:: get_artifact + + **get_artifact** + + The **get_artifact** function is used to retrieve property values between modelable + entities defined in the same service template. + + `TOSCA specification + <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454182>`_ + + **Example:** + + TBD
\ No newline at end of file diff --git a/docs/modelingconcepts/flexible-plug-in.rst b/docs/modelingconcepts/flexible-plug-in.rst new file mode 100644 index 000000000..1b302e4eb --- /dev/null +++ b/docs/modelingconcepts/flexible-plug-in.rst @@ -0,0 +1,122 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-2026349199 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +External Systems support +------------------------------------- + +Interaction with **external systems** is made **dynamic**, removing +development cycle to support new endpoint. + +In order to define the external system information, TOSCA provides +**dsl_definitions**. Link to TOSCA spec `info 1 +<http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454160>`_, +`info 2 <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454173>`_. + +Use cases: + +* Resource resolution using **REST** (see tab Node Type) or **SQL** (see tab Node Type) external systems +* **gRPC** is supported for remote execution +* Any REST endpoint can be dynamically injected as part of the scripting framework. + +Here are some examples on how to populate the system information within the package: + +.. list-table:: + :widths: 100 + :header-rows: 1 + + * - token-auth + * - .. code-block:: JSON + + { + . . . + "dsl_definitions": { + "ipam-1": { + "type": "token-auth", + "url": "http://netbox-nginx.netprog:8080", + "token": "Token 0123456789abcdef0123456789abcdef01234567" + } + } + +.. list-table:: + :widths: 100 + :header-rows: 1 + + * - basic-auth + * - .. code-block:: JSON + + { + . . . + "dsl_definitions": { + "ipam-1": { + "type": "basic-auth", + "url": "http://localhost:8080", + "username": "bob", + "password": "marley" + } + } + . . . + } + +.. list-table:: + :widths: 100 + :header-rows: 1 + + * - ssl-basic-auth + * - .. code-block:: JSON + + { + . . . + "dsl_definitions": { + "ipam-1": { + "type" : "ssl-basic-auth", + "url" : "http://localhost:32778", + "keyStoreInstance": "JKS or PKCS12", + "sslTrust": "trusture", + "sslTrustPassword": "trustore password", + "sslKey": "keystore", + "sslKeyPassword: "keystore password" + } + } + . . . + } + +.. list-table:: + :widths: 100 + :header-rows: 1 + + * - grpc-executor + * - .. code-block:: JSON + + { + . . . + "dsl_definitions": { + "remote-executor": { + "type": "token-auth", + "host": "cds-command-executor.netprog", + "port": "50051", + "token": "Basic Y2NzZGthcHBzOmNjc2RrYXBwcw==" + }, + } + . . . + } + +.. list-table:: + :header-rows: 1 + + * - maria-db + * - .. code-block:: JSON + + { + . . . + "dsl_definitions": { + "netprog-db": { + "type": "maria-db", + "url": "jdbc:mysql://10.195.196.123:32050/netprog", + "username": "netprog", + "password": "netprog" + } + } + . . . + }
\ No newline at end of file diff --git a/docs/modelingconcepts/node-type.rst b/docs/modelingconcepts/node-type.rst new file mode 100644 index 000000000..9f86e0b26 --- /dev/null +++ b/docs/modelingconcepts/node-type.rst @@ -0,0 +1,1032 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-703799064 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +.. _node_type: + +Node type +----------- + +`TOSCA definition +<http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454215>`_ + +In CDS, we have mainly two distinct types: components and source. We have some other type as well, +listed in the other section. + +.. tabs:: + + .. tab:: Component + + **Component:** + + Used to represent a **functionality** along with its **contract**, such as **inputs**, **ouputs**, and **attributes** + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/tosca.nodes.Component.json>`_ + is the root component TOSCA node type from which other node type will derive: + + .. code-block:: json + :caption: **tosca.nodes.Component** + + { + "description": "This is default Component Node", + "version": "1.0.0", + "derived_from": "tosca.nodes.Root" + } + + **Bellow is a list of supported components** + + .. tabs:: + + .. tab:: resource-resolution + + **component-resource-resolution:** + + Used to perform resolution of **resources**. + + Requires as many as artifact-mapping-resource (see :ref:`artifact_type` -> Mapping) AND + artifact-template-velocity (see :ref:`artifact_type` -> Jinja) as needed. + + **Output result:** + + Will put the resolution result as an **attribute** in the workflow context called **assignment-params**. + + Using the :ref:`undefined <get_attribute expression>`, this attribute can be retrieve to be + provided as workflow output (see :ref:`workflow`). + + **Specify which template to resolve:** + + Currently, resolution is bounded to a template. To specify which template to use, you + need to fill in the `artifact-prefix-names` field. + + See :ref:`template` to understand what the artifact prefix name is. + + **Storing the result:** + + To store each resource being resolved, along with their status, and the resolved template, `store-result` should be set to `true`. + + Also, when storing the data, it must be in the context of either a `resource-id` and `resource-type`, or based on a given `resolution-key` + + + The concept of resource-id / resource-type, or resolution-key, is to uniquely identify a specific resolution that + has been performed for a given action. Hence the resolution-key has to be unique for a given blueprint name, blueprint version, action name. + + Through the combination of the fields mentioned previously, one could retrieved what has been resolved. This is useful to manage the life-cycle of the resolved resource, the life-cycle of the template, along with sharing with external systems the outcome of a given resolution. + + The resource-id / resource-type combo is more geared to uniquely identify a resource in AAI, or external system. For example, for a given AAI resource, say a PNF, you can trigger a given CDS action, and then you will be able to manage all the resolved resources bound to this PNF. Even we could have a history of what has been assigned, unassigned for this given AAI resource. + + .. warning:: Important not to confuse and AAI resource (e.g. a topology element, + or service related element) with the resources resolved by CDS, which can be seen + as parameters required to derived a network configuration. + + **Run the resolution multiple time:** + + If you need to run the same resolution component multiple times, use the field `occurence`. + This will add the notion of occurrence to the resolution, and if storing the results, resources + and templates, they will be accessible for each occurrence. + + Occurrence is a number between 1 and N; when retrieving information + for a given occurrence, the first iteration starts at 1. + + This feature is useful when you need to apply the same configuration accross network elements. + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/component-resource-resolution.json>`_ + is the definition: + + .. code-block:: json + :caption: **component-resource-resolution** + + { + "description": "This is Resource Assignment Component API", + "version": "1.0.0", + "attributes": { + "assignment-params": { + "required": true, + "type": "string" + } + }, + "capabilities": { + "component-node": { + "type": "tosca.capabilities.Node" + } + }, + "interfaces": { + "ResourceResolutionComponent": { + "operations": { + "process": { + "inputs": { + "resolution-key": { + "description": "Key for service instance related correlation.", + "required": false, + "type": "string" + }, + "occurrence": { + "description": "Number of time to perform the resolution.", + "required": false, + "default": 1, + "type": "integer" + }, + "store-result": { + "description": "Whether or not to store the output.", + "required": false, + "type": "boolean" + }, + "resource-type": { + "description": "Request type.", + "required": false, + "type": "string" + }, + "artifact-prefix-names": { + "required": true, + "description": "Template , Resource Assignment Artifact Prefix names", + "type": "list", + "entry_schema": { + "type": "string" + } + }, + "request-id": { + "description": "Request Id, Unique Id for the request.", + "required": true, + "type": "string" + }, + "resource-id": { + "description": "Resource Id.", + "required": false, + "type": "string" + }, + "action-name": { + "description": "Action Name of the process", + "required": false, + "type": "string" + }, + "dynamic-properties": { + "description": "Dynamic Json Content or DSL Json reference.", + "required": false, + "type": "json" + } + }, + "outputs": { + "resource-assignment-params": { + "required": true, + "type": "string" + }, + "status": { + "required": true, + "type": "string" + } + } + } + } + } + }, + "derived_from": "tosca.nodes.Component" + } + + .. tab:: script-executor + + **component-script-executor:** + + Used to **execute** a script to perform **NETCONF, RESTCONF, SSH commands** + from within the runtime container of CDS. + + Two type of scripts are supported: + + * Kotlin: offer a way more integrated scripting framework, along + with a way faster processing capability. See more about Kotlin script: https://github.com/Kotlin/KEEP/blob/master/proposals/scripting-support.md + * Python: uses Jython which is bound to Python 2.7, end of life Januray 2020. + See more about Jython: https://www.jython.org/ + + The `script-class-reference` field need to reference + + * for kotlin: the package name up to the class. e.g. com.example.Bob + * for python: it has to be the path from the Scripts folder, e.g. Scripts/python/Bob.py + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/component-script-executor.json>`_ + is the definition + + .. _test_test_test: + + .. code-block:: json + :caption: **component-script-executor** + + { + "description": "This is Netconf Transaction Configuration Component API", + "version": "1.0.0", + "interfaces": { + "ComponentScriptExecutor": { + "operations": { + "process": { + "inputs": { + "script-type": { + "description": "Script type, kotlin type is supported", + "required": true, + "type": "string", + "default": "internal", + "constraints": [ + { + "valid_values": [ + "kotlin", + "jython", + "internal" + ] + } + ] + }, + "script-class-reference": { + "description": "Kotlin Script class name with full package or jython script name.", + "required": true, + "type": "string" + }, + "dynamic-properties": { + "description": "Dynamic Json Content or DSL Json reference.", + "required": false, + "type": "json" + } + }, + "outputs": { + "response-data": { + "description": "Execution Response Data in JSON format.", + "required": false, + "type": "string" + }, + "status": { + "description": "Status of the Component Execution ( success or failure )", + "required": true, + "type": "string" + } + } + } + } + } + }, + "derived_from": "tosca.nodes.Component" + } + + .. tab:: remote-script-executor + + **component-remote-script-executor:** + + Used to **execute** a python script in a dedicated micro-service, providing a Python 3.6 environment. + + **Output result:** + + prepare-environment-logs: will contain the logs for all the pip install of ansible_galaxy setup + + execute-command-logs: will contain the execution logs of the script, that were printed into stdout + + Using the get_attribute expression (see :ref:`expression` -> get_attribute), + this attribute can be retrieve to be provided as workflow output (see :ref:`workflow`). + + **Params:** + + The `command` field need to reference the path from the Scripts folder of the + scripts to execute, e.g. Scripts/python/Bob.py + + The `packages` field allow to provide a list of **PIP package** to install in the target environment, + or a requirements.txt file. Also, it supports **Ansible role**. + + If **requirements.txt** is specified, then it should be **provided** as + part of the **Environment** folder of the CBA. + + .. code-block:: json + :caption: **Example** + + "packages": [ + { + "type": "pip", + "package": [ + "requirements.txt" + ] + }, + { + "type": "ansible_galaxy", + "package": [ + "juniper.junos" + ] + } + ] + + The `argument-properties` allows to specified input argument to the script to execute. They should be + expressed in a DSL, and they will be ordered as specified. + + .. code-block:: json + :caption: **Example** + + "ansible-argument-properties": { + "arg0": "-i", + "arg1": "Scripts/ansible/inventory.yaml", + "arg2": "--extra-vars", + "arg3": { + "get_attribute": [ + "resolve-ansible-vars", + "", + "assignment-params", + "ansible-vars" + ] + } + } + } + + The `dynamic-properties` can be anything that needs to be passed to the + script that couldn't be passed as an argument, such as JSON object, etc... If used, they will be passed + in as the last argument of the Python script. + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/component-remote-python-executor.json>`_ + is the definition + + .. code-block:: json + :caption: **component-remote-script-executor** + + { + "description": "This is Remote Python Execution Component.", + "version": "1.0.0", + "attributes": { + "prepare-environment-logs": { + "required": false, + "type": "string" + }, + "execute-command-logs": { + "required": false, + "type": "list", + "entry_schema": { + "type": "string" + } + }, + "response-data": { + "required": false, + "type": "json" + } + }, + "capabilities": { + "component-node": { + "type": "tosca.capabilities.Node" + } + }, + "interfaces": { + "ComponentRemotePythonExecutor": { + "operations": { + "process": { + "inputs": { + "endpoint-selector": { + "description": "Remote Container or Server selector name.", + "required": false, + "type": "string", + "default": "remote-python" + }, + "dynamic-properties": { + "description": "Dynamic Json Content or DSL Json reference.", + "required": false, + "type": "json" + }, + "argument-properties": { + "description": "Argument Json Content or DSL Json reference.", + "required": false, + "type": "json" + }, + "command": { + "description": "Command to execute.", + "required": true, + "type": "string" + }, + "packages": { + "description": "Packages to install based on type.", + "required": false, + "type" : "list", + "entry_schema" : { + "type" : "dt-system-packages" + } + } + } + } + } + } + }, + "derived_from": "tosca.nodes.Component" + } + + .. tab:: remote-ansible-executor + + **component-remote-ansible-executor:** + + Used to **execute** an ansible playbook hosted in AWX/Anisble Tower. + + **Ouput result:** + + ansible-command-status: status of the command + + ansible-command-logs: will contain the execution logs of the playbook + + Using the get_attribute expression, this attribute can be retrieve to be provided as workflow output (see Workflow). + + **Param:** + + TBD + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/component-remote-ansible-executor.json>`_ + is the definition + + .. code-block:: json + :caption: **component-remote-script-executor** + + { + "description": "This is Remote Ansible Playbook (AWX) Execution Component.", + "version": "1.0.0", + "attributes": { + "ansible-command-status": { + "required": true, + "type": "string" + }, + "ansible-command-logs": { + "required": true, + "type": "string" + } + }, + "capabilities": { + "component-node": { + "type": "tosca.capabilities.Node" + } + }, + "interfaces": { + "ComponentRemoteAnsibleExecutor": { + "operations": { + "process": { + "inputs": { + "job-template-name": { + "description": "Primary key or name of the job template to launch new job.", + "required": true, + "type": "string" + }, + "limit": { + "description": "Specify host limit for job template to run.", + "required": false, + "type": "string" + }, + "inventory": { + "description": "Specify inventory for job template to run.", + "required": false, + "type": "string" + }, + "extra-vars" : { + "required" : false, + "type" : "json", + "description": "json formatted text that contains extra variables to pass on." + }, + "tags": { + "description": "Specify tagged actions in the playbook to run.", + "required": false, + "type": "string" + }, + "skip-tags": { + "description": "Specify tagged actions in the playbook to omit.", + "required": false, + "type": "string" + }, + "endpoint-selector": { + "description": "Remote AWX Server selector name.", + "required": true, + "type": "string" + } + } + } + } + } + }, + "derived_from": "tosca.nodes.Component" + } + + .. tab:: Source + + **Source:** + + Used to represent a **type of source** to **resolve** a **resource**, along with the expected **properties** + + Defines the **contract** to resolve a resource. + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/tosca.nodes.ResourceSource.json>`_ + is the root component TOSCA node type from which other node type will derive: + + .. code-block:: + :caption: **tosca.nodes.Component** + + { + "description": "TOSCA base type for Resource Sources", + "version": "1.0.0", + "derived_from": "tosca.nodes.Root" + } + + **Bellow is a list of supported sources** + + .. tabs:: + .. tab:: input + + **Input:** + + Expects the **value to be provided as input** to the request. + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/source-input.json>`_ + is the Definition + + .. code-block:: + :caption: **source-input** + + { + "description": "This is Input Resource Source Node Type", + "version": "1.0.0", + "properties": {}, + "derived_from": "tosca.nodes.ResourceSource" + } + + .. tab:: default + + **Default:** + + Expects the **value to be defaulted** in the model itself. + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/source-default.json>`_ + is the Definition + + .. code-block:: json + :caption: **source-default** + + { + "description": "This is Default Resource Source Node Type", + "version": "1.0.0", + "properties": {}, + "derived_from": "tosca.nodes.ResourceSource" + } + + .. tab:: rest + + **REST** + + Expects the **URI along with the VERB and the payload**, if needed. + + CDS is currently deployed along the side of SDNC, hence the **default** rest + **connection** provided by the framework is to **SDNC MDSAL**. + + .. list-table:: + :widths: 25 50 25 + :header-rows: 1 + + * - Property + - Description + - Scope + * - type + - Expected output value, only JSON supported for now + - Optional + * - verb + - HTTP verb for the request - default value is GET + - Optional + * - payload + - Payload to sent + - Optional + * - endpoint-selector + - **Specific REST system** to interact with to (see **Dynamic Endpoint**) + - Optional + * - url-path + - URI + - Mandatory + * - path + - JSON path to the value to fetch from the response + - Mandatory + * - expression-type + - Path expression type - default value is JSON_PATH + - Optional + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/source-rest.json>`_ + is the definition: + + .. code-block:: json + :caption: **source-rest** + + { + "description": "This is Rest Resource Source Node Type", + "version": "1.0.0", + "properties": { + "type": { + "required": false, + "type": "string", + "default": "JSON", + "constraints": [ + { + "valid_values": [ + "JSON" + ] + } + ] + }, + "verb": { + "required": false, + "type": "string", + "default": "GET", + "constraints": [ + { + "valid_values": [ + "GET", "POST", "DELETE", "PUT" + ] + } + ] + }, + "payload": { + "required": false, + "type": "string", + "default": "" + }, + "endpoint-selector": { + "required": false, + "type": "string" + }, + "url-path": { + "required": true, + "type": "string" + }, + "path": { + "required": true, + "type": "string" + }, + "expression-type": { + "required": false, + "type": "string", + "default": "JSON_PATH", + "constraints": [ + { + "valid_values": [ + "JSON_PATH", + "JSON_POINTER" + ] + } + ] + }, + "input-key-mapping": { + "required": false, + "type": "map", + "entry_schema": { + "type": "string" + } + }, + "output-key-mapping": { + "required": false, + "type": "map", + "entry_schema": { + "type": "string" + } + }, + "key-dependencies": { + "required": true, + "type": "list", + "entry_schema": { + "type": "string" + } + } + }, + "derived_from": "tosca.nodes.ResourceSource" + } + + .. tab:: sql + + **SQL** + + Expects the **SQL query** to be modeled; that SQL query can be parameterized, + and the parameters be other resources resolved through other means. + If that's the case, this data dictionary definition will have to define ``key-dependencies`` along with ``input-key-mapping``. + + CDS is currently deployed along the side of SDNC, hence the **primary** database + **connection** provided by the framework is to **SDNC database**. + + .. list-table:: + :widths: 25 50 25 + + * - Property + - Description + - Scope + * - type + - Database type, only SQL supported for now + - Mandatory + * - endpoint-selector + - Specific Database system to interact with to (see **Dynamic Endpoint**) + - Optional + * - query + - Statement to execute + - Mandatory + + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/source-processor-db.json>`_ + is the definition: + + .. code-block:: json + :caption: **source-db** + + { + "description": "This is Database Resource Source Node Type", + "version": "1.0.0", + "properties": { + "type": { + "required": true, + "type": "string", + "constraints": [ + { + "valid_values": [ + "SQL" + ] + } + ] + }, + "endpoint-selector": { + "required": false, + "type": "string" + }, + "query": { + "required": true, + "type": "string" + }, + "input-key-mapping": { + "required": false, + "type": "map", + "entry_schema": { + "type": "string" + } + }, + "output-key-mapping": { + "required": false, + "type": "map", + "entry_schema": { + "type": "string" + } + }, + "key-dependencies": { + "required": true, + "type": "list", + "entry_schema": { + "type": "string" + } + } + }, + "derived_from": "tosca.nodes.ResourceSource" + } + + .. tab:: capability + + **Capability:** + + Expects a **script** to be provided. + + .. list-table:: + :widths: 25 50 25 + :header-rows: 1 + + * - Property + - Description + - Scope + * - script-type + - The type of the script - default value is Koltin + - Optional + * - script-class-reference + - The name of the class to use to create an instance of the script + - Mandatory + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/source-capability.json>`_ + is the definition: + + .. code-block:: json + :caption: **source-capability** + + { + "description": "This is Component Resource Source Node Type", + "version": "1.0.0", + "properties": { + "script-type": { + "required": true, + "type": "string", + "default": "kotlin", + "constraints": [ + { + "valid_values": [ + "internal", + "kotlin", + "jython" + ] + } + ] + }, + "script-class-reference": { + "description": "Capability reference name for internal and kotlin, for jython script file path", + "required": true, + "type": "string" + }, + "key-dependencies": { + "description": "Resource Resolution dependency dictionary names.", + "required": true, + "type": "list", + "entry_schema": { + "type": "string" + } + } + }, + "derived_from": "tosca.nodes.ResourceSource" + } + + .. tab:: Other + + **Other:** + + .. tabs:: + + .. tab:: DG + + **dg-generic:** + + Identifies a Directed Graph used as **imperative workflow**. + + .. list-table:: + :widths: 40 40 20 + :header-rows: 1 + + * - Property + - Description + - Scope + * - dependency-node-templates + - The node template the workflow depends on + - Required + + `Here <https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/dg-generic.json>`_ + is the definition: + + .. code-block:: json + :caption: **dg-generic** + + { + "description": "This is Generic Directed Graph Type", + "version": "1.0.0", + "properties": { + "content": { + "required": true, + "type": "string" + }, + "dependency-node-templates": { + "required": true, + "description": "Dependent Step Components NodeTemplate name.", + "type": "list", + "entry_schema": { + "type": "string" + } + } + }, + "derived_from": "tosca.nodes.DG" + } + + A node_template of this type always provide one artifact, of type artifact-directed-graph, + which will be located under the Plans/ folder within the CBA. + + .. code-block:: json + :caption: **node_template example** + + "config-deploy-process" : { + "type" : "dg-generic", + "properties" : { + "content" : { + "get_artifact" : [ "SELF", "dg-config-deploy-process" ] + }, + "dependency-node-templates" : [ "nf-account-collection", "execute" ] + }, + "artifacts" : { + "dg-config-deploy-process" : { + "type" : "artifact-directed-graph", + "file" : "Plans/CONFIG_ConfigDeploy.xml" + } + } + } + + In the DG bellow, the execute node refers to the node_template. + + .. code-block:: xml + :caption: **Plans/CONFIG_ConfigDeploy.xml** + + <service-logic + xmlns='http://www.onap.org/sdnc/svclogic' + xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' + xsi:schemaLocation='http://www.onap.org/sdnc/svclogic ./svclogic.xsd' module='CONFIG' version='1.0.0'> + <method rpc='ConfigDeploy' mode='sync'> + <block atomic="true"> + <execute plugin="nf-account-collection" method="process"> + <outcome value='failure'> + <return status="failure"> + </return> + </outcome> + <outcome value='success'> + <execute plugin="execute" method="process"> + <outcome value='failure'> + <return status="failure"> + </return> + </outcome> + <outcome value='success'> + <return status='success'> + </return> + </outcome> + </execute> + </outcome> + </execute> + </block> + </method> + </service-logic> + + .. tab:: VNF + + **tosca.nodes.VNF** + + Identifies a VNF, can be used to **correlate** any type of **VNF** related **information**. + + https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/tosca.nodes.Vnf.json + + .. code-block:: json + :caption: **tosca.nodes.vnf** + + { + "description": "This is VNF Node Type", + "version": "1.0.0", + "derived_from": "tosca.nodes.Root" + } + + **vnf-netconf-device** + + Represents the VNF information to **establish** a **NETCONF communication**. + + https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/definition-type/starter-type/node_type/vnf-netconf-device.json + + .. code-block:: json + :caption: **vnf-netconf-device** + + + { + "description": "This is VNF Device with Netconf Capability", + "version": "1.0.0", + "capabilities": { + "netconf": { + "type": "tosca.capabilities.Netconf", + "properties": { + "login-key": { + "required": true, + "type": "string", + "default": "sdnc" + }, + "login-account": { + "required": true, + "type": "string", + "default": "sdnc-tacacs" + }, + "source": { + "required": false, + "type": "string", + "default": "npm" + }, + "target-ip-address": { + "required": true, + "type": "string" + }, + "port-number": { + "required": true, + "type": "integer", + "default": 830 + }, + "connection-time-out": { + "required": false, + "type": "integer", + "default": 30 + } + } + } + }, + "derived_from": "tosca.nodes.Vnf" + } + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/docs/modelingconcepts/overview.rst b/docs/modelingconcepts/overview.rst new file mode 100644 index 000000000..80ce8c6c9 --- /dev/null +++ b/docs/modelingconcepts/overview.rst @@ -0,0 +1,48 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +Modeling Concepts +================== + +CDS is a framework to automate the **resolution of resources** for +**instantiation** and any **config** provisioning operation, such as +day0, day1 or day2 configuration. + +CDS has a both **design time** and **run time** activities; during +design time, **Designer** can **define** what **actions** are required +for a given service, along with anything comprising the action. The +design produce a :ref:`CBA Package<cba>`. Its **content** is driven from a +**catalog** of **reusable data dictionary** and **component**, +delivering a reusable and simplified **self service** experience. + +DS modelling is mainly based on `TOSCA +standard, <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html>`_ +using JSON as reprensentation. + +Most of the TOSCA modeled entity presented in the bellow documentation +can be found +`here <https://github.com/onap/ccsdk-cds/tree/master/components/model-catalog/definition-type/starter-type>`_. + +.. toctree:: + :caption: Table of Contents + :maxdepth: 1 + + CBA <cba> + Tosca.Meta <tosca-meta> + dynamic-payload + enrichment + Flexible Plug-in <flexible-plug-in> + expression + data-dictionary + data-type + artifact-type + node-type + workflow + template + scripts + southbound-interfaces + test + + diff --git a/docs/modelingconcepts/scripts.rst b/docs/modelingconcepts/scripts.rst new file mode 100644 index 000000000..eb1cbd7bc --- /dev/null +++ b/docs/modelingconcepts/scripts.rst @@ -0,0 +1,27 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-703799064 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +Scripts +------------- + +Library ++++++++++++++++++ + +NetconfClient ++++++++++++++++++ + +In order to facilitate NETCONF interaction within scripts, a python NetconfClient binded to our Kotlin implementation is made available. +This NetconfClient can be used when using the component-netconf-executor. + +The client can be find here: https://github.com/onap/ccsdk-cds/blob/master/components/scripts/python/ccsdk_netconf/netconfclient.py + +ResolutionHelper ++++++++++++++++++ + +When executing a component executor script, designer might want to perform +resource resolution along with template meshing directly from the script itself. + +The helper can be find here: +https://github.com/onap/ccsdk-cds/blob/master/components/scripts/python/ccsdk_netconf/common.py
\ No newline at end of file diff --git a/docs/modelingconcepts/southbound-interfaces.rst b/docs/modelingconcepts/southbound-interfaces.rst new file mode 100644 index 000000000..53d700750 --- /dev/null +++ b/docs/modelingconcepts/southbound-interfaces.rst @@ -0,0 +1,23 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-384293385 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +Southbound Interfaces +------------------------- + +CDS comes with native python 3.6 support and Ansible AWX (Ansible Tower): +idea is Network Ops are familiar with Python and/or Ansible, and our goal is not to dictate the SBI to use for +their operations. Ansible and Python provide already many, and well adopted, +SBI libraries, hence they could be utilized as needed. + +CDS also provide native support for the following libraries: + +* NetConf +* REST +* CLI +* SSH +* gRPC (hence gNMI / gNOI should be supported) + +CDS also has extensible REST support, meaning any RESTful interface used for network interaction can be used, +such as external VNFM or EMS.
\ No newline at end of file diff --git a/docs/modelingconcepts/template.rst b/docs/modelingconcepts/template.rst new file mode 100644 index 000000000..951b51b6c --- /dev/null +++ b/docs/modelingconcepts/template.rst @@ -0,0 +1,23 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-1256902502 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +.. _template: + +Template +----------- + +A template is an **artifact**, and uses artifact-mapping-resource (see :ref:`artifact_type` -> Mapping) +and artifact-template-velocity (see :ref:`artifact_type` -> Velocity). + +A template is **parameterized** and each parameter must be defined in a corresponding **mapping file**. + +In order to know which mapping correlates to which template, the file name must start with an ``artifact-prefix``, +serving as identifier to the overall template + mapping. + +The **requirement** is as follows: + +``${artifact-prefix}-template`` + +``${artifact-prefix}-mapping``
\ No newline at end of file diff --git a/docs/modelingconcepts/test.rst b/docs/modelingconcepts/test.rst new file mode 100644 index 000000000..89003e0dc --- /dev/null +++ b/docs/modelingconcepts/test.rst @@ -0,0 +1,40 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-2603186 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +Tests +-------- + +The **tests** folder contains the **uat.yaml** file for execution the cba actions for sunny day and rainy day +scenario using mock data. The process to generate the uat file is documented TBD. The file can be dragged +and drop to the Tests folder after the test for all actions are executed. + +NOTE: You need to activate the "uat" Spring Boot profile in order to enable the spy/verify endpoints. +They are disabled by default because the mocks created at runtime can potentially cause collateral problems in production. +You can either pass an option to JVM (``-Dspring.profiles.active=uat``) or set and export an +environment variable (``export spring_profiles_active=uat``). + +A quick outline of the UAT generation process follows: + +1. Create a minimum :file:`uat.yaml` containing only the NB requests to be sent to the BlueprintsProcessor (BPP) service; +2. Submit the blueprint CBA and this draft :file:`uat.yaml` to BPP in a single HTTP POST call: + + ``curl -u ccsdkapps:ccsdkapps -F cba=@<path to your CBA file> -F uat=@<path to the + draft uat.yaml> http://localhost:8080/api/v1/uat/spy`` +3. If your environment is properly setup, at the end this service will generate the complete :file:`uat.yaml`; +4. Revise the generate file, eventually removing superfluous message fields; +5. Include this file in your CBA under :file:`Tests/uat.yaml`; +6. Submit the candidate CBA + UAT to be validated by BPP, that now will create runtime mocks to simulate + all SB collaborators, by running: + + ``$ curl -u ccsdkapps:ccsdkapps -F cba=@<path to your CBA file> http://localhost:8080/api/v1/uat/verify`` +7. Once validated, your CBA enhanced with its corresponding UAT is eligible + to be integrated into the CDS project, under the folder :file:`components/model-catalog/blueprint-model/uat-blueprints`. + +Reference link for sample generated uat.yaml file for pnf plug & play use case: +`uat.yaml file <https://gerrit.onap.org/r/gitweb?p=ccsdk/cds.git;a=tree;f=components/model-catalog/blueprint-model/uat-blueprints/pnf_config/Tests;h=230d506720c4a1066784c1fe9e0ba0206bbb13cf;hb=refs/heads/master>`_. + +As UAT is part of unit testing, it runs in jenkins job +`ccsdk-cds-master-verify-java <https://jenkins.onap.org/job/ccsdk-cds-master-verify-java/>`_ +whenever a new commit/patch pushed on gerrit in ccsdk/cds repo.
\ No newline at end of file diff --git a/docs/modelingconcepts/tosca-meta.rst b/docs/modelingconcepts/tosca-meta.rst new file mode 100644 index 000000000..f4fed1479 --- /dev/null +++ b/docs/modelingconcepts/tosca-meta.rst @@ -0,0 +1,80 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +Tosca Meta +------------ + +Tosca meta file captures the model entities that compose the cba package name, version, type and searchable tags. + +.. list-table:: + :widths: 20 15 15 50 + :header-rows: 1 + + * - Attribute + - R/C/O + - Data Type + - Description + * - TOSCA-Meta-File-Version + - Required + - String + - The attribute that holds TOSCA-Meta-File-Version. Set to 1.0.0 + * - CSAR-Version + - Required + - String + - The attribute that holds CSAR-version. Set to 1.0 + * - Created-By + - Required + - String + - The attribute that holds the entry points + * - Entry-Definitions + - Required + - String + - The attribute that holds the entry points file PATH to the main cba tosca definition file + or non tosca script file. + * - Template-Name + - Required + - String + - The attribute that holds the blueprint name + * - Template-Version + - Required + - String + - | The attribute that holds the blueprint version + | + | X.Y.Z + | + | X=Major version + | Y=Minor Version + | Z=Revision Version + | + | X=Ex. 1.0.0 + * - Template-Type + - Required + - String + - | The attribute that holds the blueprint package types. + | Valid Options: + * "DEFAULT" – .JSON file consistent of tosca based cba package that describes the package intent. + * "KOTLIN_DSL" – .KT file consistent of tosca based cba package that describes the package intent + composed using Domain Specific Language (DSL). + * "GENERIC_SCRIPT" – Script file consistent of NONE tosca based cba package that describes the package intent + using DSL Language. + | If not specified in the tosca.meta file the default is "DEFAULT" + * - Template-Tags + - Required + - String + - The attribute that holds the blueprint package comma delimited list of Searchable attributes. + +**Template Type Reference** + +**Default Template Type** + +https://gerrit.onap.org/r/gitweb?p=ccsdk/cds.git;a=blob;f=components/model-catalog/blueprint-model/test-blueprint/capability_cli/TOSCA-Metadata/TOSCA.meta;hb=refs/heads/master + +**KOTLIN_DSL Template Type** + +https://gerrit.onap.org/r/gitweb?p=ccsdk/cds.git;a=blob;f=components/model-catalog/blueprint-model/test-blueprint/resource-audit/TOSCA-Metadata/TOSCA.meta;hb=refs/heads/master + +**GENERIC_SCRIPT Template Type** + +https://gerrit.onap.org/r/gitweb?p=ccsdk/cds.git;a=tree;f=ms/py-executor/test/resources/sample-cba/1.0.0;hb=refs/heads/master
\ No newline at end of file diff --git a/docs/modelingconcepts/workflow.rst b/docs/modelingconcepts/workflow.rst new file mode 100644 index 000000000..d9c7dc956 --- /dev/null +++ b/docs/modelingconcepts/workflow.rst @@ -0,0 +1,322 @@ +.. This work is a derivative of https://wiki.onap.org/display/DW/Modeling+Concepts#Concepts-100023263 by IBM +.. used under Creative Commons Attribution 4.0 International License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright (C) 2020 Deutsche Telekom AG. + +.. _workflow: + +Workflow +--------- + +.. note:: + + **Workflow Scope within CDS Framework** + + The workflow is within the scope of the micro provisioning and configuration + management in **controller domain** and does NOT account for the MACRO service orchestration workflow which is covered by the SO Project. + +A workflow defines an overall action to be taken on the service, hence is an +entry-point for the run-time execution of the :ref:`CBA Package <cba>`. + +A workflow also defines **inputs** and **outputs** that will defined the **payload contract** +of the **request** and **response** (see :ref:`Dynamic API`) + +A workflow can be **composed** of one or multiple **sub-actions** to execute. + +A CBA package can have as **many workflows** as needed. + +.. _workflow_single_action: + +Single action +************** + +The workflow is directly backed by a component (see :ref:`node_type` -> Component). + +In the example bellow, the target of the workflow's steps resource-assignment is ``resource-assignment`` +which actually is the name of the ``node_template`` defined after, of type ``component-resource-resolution``. + +`Link to example +<https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/blueprint-model/test-blueprint/golden/Definitions/golden-blueprint.json#L40-L71>`_ + + +.. code-block:: json + :caption: **Example** + + . . . + "topology_template": { + "workflows": { + "resource-assignment": { + "steps": { + "resource-assignment": { + "description": "Resource Assign Workflow", + "target": "resource-assignment" + ] + } + }, + "inputs": { + "resource-assignment-properties": { + "description": "Dynamic PropertyDefinition for workflow(resource-assignment).", + "required": true, + "type": "dt-resource-assignment-properties" + } + }, + "outputs": { + "meshed-template": { + "type": "json", + "value": { + "get_attribute": [ + "resource-assignment", + "assignment-params" + ] + } + } + } + }, + "node_templates": { + "resource-assignment": { + "type": "component-resource-resolution", + "interfaces": { + "ResourceResolutionComponent": { + "operations": { + "process": { + "inputs": { + "artifact-prefix-names": [ + "vf-module-1" + ] + } + } + } + } + }, + "artifacts": { + "vf-module-1-template": { + "type": "artifact-template-velocity", + "file": "Templates/vf-module-1-template.vtl" + }, + "vf-module-1-mapping": { + "type": "artifact-mapping-resource", + "file": "Templates/vf-module-1-mapping.json" + } + } + } + } + . . . + +.. _workflow_multiple_actions: + +Multiple sub-actions +********************** + +The workflow is backed by a Directed Graph engine, dg-generic (see :ref:`node_type` -> DG, +and is an **imperative** workflow. + +A DG used as workflow for CDS is composed of multiple execute nodes; each individual +execute node refers to an modelled Component (see :ref:`node_type` -> Component) instance. + +In the example above, you can see the target of the workflow's steps execute-script is +``execute-remote-ansible-process``, which is a node_template of type ``dg_generic`` + +`Link of example +<https://github.com/onap/ccsdk-cds/blob/master/components/model-catalog/blueprint-model/test-blueprint/remote_scripts/Definitions/remote_scripts.json#L184-L204>`_ + +.. code-block:: json + :caption: **workflow plan example** + + . . . + "topology_template": { + "workflows": { + "execute-remote-ansible": { + "steps": { + "execute-script": { + "description": "Execute Remote Ansible Script", + "target": "execute-remote-ansible-process" + ] + } + }, + "inputs": { + "ip": { + "required": false, + "type": "string" + }, + "username": { + "required": false, + "type": "string" + }, + "password": { + "required": false, + "type": "string" + }, + "execute-remote-ansible-properties": { + "description": "Dynamic PropertyDefinition for workflow(execute-remote-ansible).", + "required": true, + "type": "dt-execute-remote-ansible-properties" + } + }, + "outputs": { + "ansible-variable-resolution": { + "type": "json", + "value": { + "get_attribute": [ + "resolve-ansible-vars", + "assignment-params" + ] + } + }, + "prepare-environment-logs": { + "type": "string", + "value": { + "get_attribute": [ + "execute-remote-ansible", + "prepare-environment-logs" + ] + } + }, + "execute-command-logs": { + "type": "string", + "value": { + "get_attribute": [ + "execute-remote-ansible", + "execute-command-logs" + ] + } + } + } + } + }, + "node_templates": { + "execute-remote-ansible-process": { + "type": "dg-generic", + "properties": { + "content": { + "get_artifact": [ + "SELF", + "dg-execute-remote-ansible-process" + ] + }, + "dependency-node-templates": [ + "resolve-ansible-vars", + "execute-remote-ansible" + ] + }, + "artifacts": { + "dg-execute-remote-ansible-process": { + "type": "artifact-directed-graph", + "file": "Plans/CONFIG_ExecAnsiblePlaybook.xml" + } + } + } + +Properties of a workflow +************************** + +.. list-table:: + :widths: 25 75 + :header-rows: 1 + + * - Property + - Description + * - workflow-name + - Defines the name of the action that can be triggered by external system + * - inputs + - | They are two types of inputs, the dynamic ones, and the static one. + | + + .. tabs:: + + .. tab:: static + + Specified at workflow level + + * can be inputs for the Component(s), see the inputs section of the component of interest. + * represent inputs to derived custom logic within scripting + + These will end up under ``${actionName}-request`` section of the payload (see Dynamic API) + + .. tab:: dynamic + + Represent the resources defined as input (see :ref:`node_type` -> Source -> Input) + within mapping definition files (see :ref:`artifact_type` -> Mapping). + + The **enrichment process** will (see :ref:`enrichment`) + + * dynamically gather all of them under a data-type, named ``dt-${actionName}-properties`` + * will add it as a input of the workflow, as follow using this name: ``${actionName}-properties`` + + Example for workflow named `resource-assignment`: + + .. code-block:: json + :caption: **dynamic input** + + "resource-assignment-properties": { + "required": true, + "type": "dt-resource-assignment-properties" + } + * - outputs + - | Defines the outputs of the execution; there can be as many output as needed. + | Depending on the Component (see :ref:`node_type` -> Component) of use, some attribute might be retrievable. + + .. list-table:: + :widths: 50 50 + :header-rows: 1 + + * - type + - value + * - data type (complex / primitive) + - value resolvable using :ref:`expression` -> get_attribute + * - steps + - | Defines the actual step to execute as part of the workflow + | + .. list-table:: + :widths: 25 25 50 + :header-rows: 1 + + * - step-name + - description + - target + * - name of the step + - step description + - | a node_template implementing on of the supported Node Type (see :ref:`node_type` -> DG), + either a Component or a DG + | (see :ref:`workflow_single_action` or :ref:`workflow_multiple_actions`) + +Example: + +.. code-block:: json + :caption: **workflow example** + + { + "workflow": { + "resource-assignment": { <- workflow-name + "inputs": { + "vnf-id": { <- static inputs + "required": true, + "type": "string" + }, + "resource-assignment-properties": { <- dynamic inputs + "required": true, + "type": "dt-resource-assignment-properties" + } + }, + "steps": { + "call-resource-assignment": { <- step-name + "description": "Resource Assignment Workflow", + "target": "resource-assignment-process" <- node_template targeted by the step + } + }, + "outputs": { + "template-properties": { <- output + "type": "json", <- complex type + "value": { + "get_attribute": [ <- uses expression to retrieve attribute from context + "resource-assignment", + "assignment-params" + ] + } + } + } + } + } + } + +`TOSCA definition <http://docs.oasis-open.org/tosca/TOSCA-Simple-Profile-YAML/v1.2/csd01/TOSCA-Simple-Profile-YAML-v1.2-csd01.html#_Toc494454203>`_ + |
