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authorRam Krishna Verma <ram_krishna.verma@bell.ca>2021-06-22 17:47:59 -0400
committerRam Krishna Verma <ram_krishna.verma@bell.ca>2021-06-22 17:48:08 -0400
commitfbf1f26654e36ea5aa9d30bebcb7779000f1750a (patch)
treef16f43452c80a022802d01ebf31f4f4bdbd236a4 /docs/drools
parentf180c6341aef20de717dda58b555b3df6bf72b33 (diff)
Add section for policy chaining
Adding section for policy chaining in drools-apps document. Issue-ID: POLICY-3382 Change-Id: Ie8d68c182e12aa2a9739fbd120d57bd8d0db0ca3 Signed-off-by: Ram Krishna Verma <ram_krishna.verma@bell.ca>
Diffstat (limited to 'docs/drools')
-rw-r--r--docs/drools/pdpdApps.rst19
1 files changed, 19 insertions, 0 deletions
diff --git a/docs/drools/pdpdApps.rst b/docs/drools/pdpdApps.rst
index a9a0b9fc..2e5a93de 100644
--- a/docs/drools/pdpdApps.rst
+++ b/docs/drools/pdpdApps.rst
@@ -86,6 +86,25 @@ The Tosca Compliant Operational Policy Type is defined at the
An example of a Tosca Compliant Operational Policy can be found
`here <https://git.onap.org/policy/models/tree/models-examples/src/main/resources/policies/vDNS.policy.operational.input.tosca.json>`__.
+Policy Chaining
+===============
+
+The *usecases* controller supports chaining of multiple operations inside a Tosca Operational Policy. The next operation can be chained based on the result/output from an operation.
+The possibilities available for chaining are:
+
+- *success: chain after the result of operation is success*
+- *failure: chain after the result of operation is failure due to issues with controller/actor*
+- *failure_timeout: chain after the result of operation is failure due to timeout*
+- *failure_retries: chain after the result of operation is failure after all retries*
+- *failure_exception: chain after the result of operation is failure due to exception*
+- *failure_guard: chain after the result of operation is failure due to guard not allowing the operation*
+
+An example of policy chaining for VNF can be found
+`here <https://github.com/onap/policy-models/blob/master/models-examples/src/main/resources/policies/vFirewall.cds.policy.operational.chaining.yaml>`__.
+
+An example of policy chaining for PNF can be found
+`here <https://github.com/onap/policy-models/blob/master/models-examples/src/main/resources/policies/pnf.cds.policy.operational.chaining.yaml>`__.
+
Features
========