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.. This work is licensed under a Creative Commons Attribution 4.0 International License.
.. http://creativecommons.org/licenses/by/4.0
********************************
Feature: Control Loop Management
********************************
.. contents::
:depth: 3
Summary
^^^^^^^
The Control Loop Management feature augments the telemetry tooling to allow
introspection of runtime operational policies.
Usage
^^^^^
The feature is enabled by default. The lifecycle "enabled" property can be toggled with
the "features" command line tool.
.. code-block:: bash
:caption: PDPD Features Command
policy stop
features disable controlloop-management # enable/disable toggles the activation of the feature.
policy start
The "telemetry" tool can be used to list the control loops and associated Operational Polices at runtime.
.. code-block:: bash
:caption: PDPD Features Command
bash-4.4$ telemetry
Version: 1.0.0
https://localhost:9696/policy/pdp/engine> cd controllers/usecases/drools/facts/usecases/controlloops
https://localhost:9696/policy/pdp/engine/controllers/usecases/drools/facts/usecases/controlloops> get
HTTP/1.1 200 OK
Content-Length: 132
Content-Type: application/json
Date: Mon, 03 Jun 2019 20:23:38 GMT
Server: Jetty(9.4.14.v20181114)
[
"LOOP_vLoadBalancerMS_v3_0_vLoadBalancerMS0_k8s-tca-clamp-policy-05162019",
"ControlLoop-vCPE-48f0c2c3-a172-4192-9ae3-052274181b6e"
]
https://localhost:9696/policy/pdp/engine/controllers/usecases/drools/facts/usecases/controlloops> get ControlLoop-vCPE-48f0c2c3-a172-4192-9ae3-052274181b6e/policy
HTTP/1.1 200 OK
Content-Length: 612
Content-Type: text/plain
Date: Mon, 03 Jun 2019 20:23:58 GMT
Server: Jetty(9.4.14.v20181114)
controlLoop:
version: 2.0.0
controlLoopName: ControlLoop-vCPE-48f0c2c3-a172-4192-9ae3-052274181b6e
trigger_policy: unique-policy-id-1-restart
timeout: 3600
abatement: true
policies:
- id: unique-policy-id-1-restart
name: Restart the VM
description:
actor: APPC
recipe: Restart
target:
type: VM
retry: 3
timeout: 1200
success: final_success
failure: final_failure
failure_timeout: final_failure_timeout
failure_retries: final_failure_retries
failure_exception: final_failure_exception
failure_guard: final_failure_guard
https://localhost:9696/policy/pdp/engine/controllers/usecases/drools/facts/usecases/controlloops>
End of Document
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