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(warning) Work in progress


Brief introduction

Definitions and abbreviations

AC = analytic component

CL = control loop

TCA

Holmes

ONAP artifacts descriptions

Describes ONAP artifacts used in various scenarios in this document.

DCAE blueprint

  • used in SDC to describe AC
  • TOSCA-based (YAML)
  • artifact name needs to end with event_proc.bp
    • example name: dcae_blueprint.event_proc_bp.yaml

TCA config

Action config


 Example DCAE blueprint (TCA)
#
# ============LICENSE_START====================================================
# =============================================================================
# Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
# =============================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============LICENSE_END======================================================

tosca_definitions_version: cloudify_dsl_1_3

description: >
  This blueprint deploys/manages the TCA module as a Docker container

imports:
  - http://www.getcloudify.org/spec/cloudify/3.4/types.yaml
  - https://nexus.onap.org/service/local/repositories/raw/content/org.onap.dcaegen2.platform.plugins/R2/k8splugin/1.1.0/k8splugin_types.yaml
  - https://nexus.onap.org/service/local/repositories/raw/content/org.onap.dcaegen2.platform.plugins/R2/dcaepolicyplugin/2.3.0/dcaepolicyplugin_types.yaml
inputs:
  aaiEnrichmentHost:
    type: string
    default: "aai.onap.svc.cluster.local"
  aaiEnrichmentPort:
    type: string
    default: "8443"
  enableAAIEnrichment:
    type: string
    default: true
  dmaap_host:
    type: string
    default: message-router
  dmaap_port:
    type: string
    default: "3904"
  enableRedisCaching:
    type: string
    default: false
  redisHosts:
    type: string
    default: dcae-redis:6379
  tag_version:
    type: string
    default: "nexus3.onap.org:10001/onap/org.onap.dcaegen2.deployments.tca-cdap-container:1.1.0"
  consul_host:
    type: string
    default: consul-server
  consul_port:
    type: string
    default: "8500"
  cbs_host:
    type: string
    default: config-binding-service
  cbs_port:
    type: string
    default: "10000"
  policy_id:
    type: string
    default: "none"
  external_port:
    type: string
    description: Kubernetes node port on which CDAPgui is exposed
    default: "32011"

node_templates:
  tca_k8s:
    type: dcae.nodes.ContainerizedServiceComponent
    relationships:
      - target: tca_policy
        type: cloudify.relationships.depends_on
    properties:
        service_component_type: dcaegen2-analytics-tca
        application_config: {}
        docker_config: {}
        image:
          get_input: tag_version
        log_info:
          log_directory: "/opt/app/TCAnalytics/logs"
        application_config:
            app_config:
                appDescription: DCAE Analytics Threshold Crossing Alert Application
                appName: dcae-tca-ak-serv
                tcaAlertsAbatementTableName: TCAAlertsAbatementTable
                tcaAlertsAbatementTableTTLSeconds: '1728000'
                tcaSubscriberOutputStreamName: TCASubscriberOutputStream
                tcaVESAlertsTableName: TCAVESAlertsTable
                tcaVESAlertsTableTTLSeconds: '1728000'
                tcaVESMessageStatusTableName: TCAVESMessageStatusTable
                tcaVESMessageStatusTableTTLSeconds: '86400'
                thresholdCalculatorFlowletInstances: '2'
            app_preferences:
                aaiEnrichmentHost:
                    get_input: aaiEnrichmentHost
                aaiEnrichmentIgnoreSSLCertificateErrors: 'true'
                aaiEnrichmentPortNumber: '8443'
                aaiEnrichmentProtocol: https
                aaiEnrichmentUserName: DCAE
                aaiEnrichmentUserPassword: DCAE
                aaiVMEnrichmentAPIPath: /aai/v11/search/nodes-query
                aaiVNFEnrichmentAPIPath: /aai/v11/network/generic-vnfs/generic-vnf
                enableAAIEnrichment:
                    get_input: enableAAIEnrichment
                enableRedisCaching:
                    get_input: enableRedisCaching
                redisHosts:
                    get_input: redisHosts
                enableAlertCEFFormat: 'false'
                publisherContentType: application/json
                publisherHostName:
                    get_input: dmaap_host
                publisherHostPort:
                    get_input: dmaap_port
                publisherMaxBatchSize: '1'
                publisherMaxRecoveryQueueSize: '100000'
                publisherPollingInterval: '20000'
                publisherProtocol: http
                publisherTopicName: unauthenticated.DCAE_CL_OUTPUT
                subscriberConsumerGroup: clamp
                subscriberConsumerId: c12
                subscriberContentType: application/json
                subscriberHostName:
                    get_input: dmaap_host
                subscriberHostPort:
                    get_input: dmaap_port
                subscriberMessageLimit: '-1'
                subscriberPollingInterval: '30000'
                subscriberProtocol: http
                subscriberTimeoutMS: '-1'
                subscriberTopicName: unauthenticated.VES_MEASUREMENT_OUTPUT
                tca_policy: '{ \"domain\": \"measurementsForVfScaling\", \"metricsPerEventName\": [  {   \"eventName\": \"vFirewallBroadcastPackets\",   \"controlLoopSchemaType\": \"VNF\",   \"policyScope\": \"DCAE\",   \"policyName\": \"DCAE.Config_tca-hi-lo\",   \"policyVersion\": \"v0.0.1\",   \"thresholds\": [    {     \"closedLoopControlName\": \"ControlLoop-vFirewall-d0a1dfc6-94f5-4fd4-a5b5-4630b438850a\",     \"version\": \"1.0.2\",     \"fieldPath\": \"$.event.measurementsForVfScalingFields.vNicUsageArray[*].receivedTotalPacketsDelta\",     \"thresholdValue\": 300,     \"direction\": \"LESS_OR_EQUAL\",     \"severity\": \"MAJOR\",     \"closedLoopEventStatus\": \"ONSET\"    },    {     \"closedLoopControlName\": \"ControlLoop-vFirewall-d0a1dfc6-94f5-4fd4-a5b5-4630b438850a\",     \"version\": \"1.0.2\",     \"fieldPath\": \"$.event.measurementsForVfScalingFields.vNicUsageArray[*].receivedTotalPacketsDelta\",     \"thresholdValue\": 700,     \"direction\": \"GREATER_OR_EQUAL\",     \"severity\": \"CRITICAL\",     \"closedLoopEventStatus\": \"ONSET\"    }   ]  },  {   \"eventName\": \"Measurement_vGMUX\",   \"controlLoopSchemaType\": \"VNF\",   \"policyScope\": \"DCAE\",   \"policyName\": \"DCAE.Config_tca-hi-lo\",   \"policyVersion\": \"v0.0.1\",   \"thresholds\": [    {     \"closedLoopControlName\": \"ControlLoop-vCPE-48f0c2c3-a172-4192-9ae3-052274181b6e\",     \"version\": \"1.0.2\",     \"fieldPath\": \"$.event.measurementsForVfScalingFields.additionalMeasurements[*].arrayOfFields[0].value\",     \"thresholdValue\": 0,     \"direction\": \"EQUAL\",     \"severity\": \"MAJOR\",     \"closedLoopEventStatus\": \"ABATED\"    },    {     \"closedLoopControlName\": \"ControlLoop-vCPE-48f0c2c3-a172-4192-9ae3-052274181b6e\",     \"version\": \"1.0.2\",     \"fieldPath\": \"$.event.measurementsForVfScalingFields.additionalMeasurements[*].arrayOfFields[0].value\",     \"thresholdValue\": 0,     \"direction\": \"GREATER\",     \"severity\": \"CRITICAL\",     \"closedLoopEventStatus\": \"ONSET\"    }   ]  } ]}'
        service_component_type: dcaegen2-analytics_tca
    interfaces:
      cloudify.interfaces.lifecycle:
        start:
          inputs:
            envs:
                DMAAPHOST:
                    { get_input: dmaap_host }
                DMAAPPORT:
                    { get_input: dmaap_port }
                DMAAPPUBTOPIC: "unauthenticated.DCAE_CL_OUTPUT"
                DMAAPSUBTOPIC: "unauthenticated.VES_MEASUREMENT_OUTPUT"
                AAIHOST:
                    { get_input: aaiEnrichmentHost }
                AAIPORT:
                    { get_input: aaiEnrichmentPort }
                CONSUL_HOST:
                    { get_input: consul_host }
                CONSUL_PORT:
                    { get_input: consul_port }
                CBS_HOST:
                    { get_input: cbs_host }
                CBS_PORT:
                    { get_input: cbs_port }
                CONFIG_BINDING_SERVICE: "config_binding_service"
            ports:
              - concat: ["11011:", { get_input: external_port }]
  tca_policy:
    type: dcae.nodes.policy
    properties:
      policy_id:
           get_input: policy_id

Control loop design and execution

Stages required to run control loop:

  1. AC blueprint design (SDC)
  2. AC blueprint distribution (SDC)
  3. AC/CL configuration (CLAMP)
  4. CL submit (CLAMP)
  5. CL deploy (CLAMP)

AC/CL configuration

CL submit

  1. CLAMP sends to Policy action config
  2. CLAMP sends to Policy TCA config



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