Foundation for Monitoring Decisions

This sets the foundation for building the XACML PDP
engine that supports Decisions for onap.Monitoring
policy types.

Mostly stubbed code for now, will most likely get
re-arranged.

Put in the cucumber basics, but no implementation yet.

Need policy/parent to be merged before this will pass.

* Fixed checkstyle license date

Issue-ID: POLICY-1273
Change-Id: Ifb455065316fd3ec0a025b5833b334ee72f65adc
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

12 files changed, 530 insertions, 0 deletions

diff --git a/applications/monitoring/checkstyle-suppressions.xml b/applications/monitoring/checkstyle-suppressions.xml
new file mode 100644
index 00000000..4f662b8b
--- /dev/null
+++ b/applications/monitoring/checkstyle-suppressions.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0"?>
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2019 AT&T Technologies. 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.
+  
+  SPDX-License-Identifier: Apache-2.0
+  ============LICENSE_END=========================================================
+-->
+ 
+<!DOCTYPE suppressions PUBLIC
+     "-//Puppy Crawl//DTD Suppressions 1.0//EN"
+     "http://www.puppycrawl.com/dtds/suppressions_1_0.dtd">
+ 
+<suppressions>
+  <suppress checks="AbbreviationAsWordInName"
+    files="Stepdefs.java"
+    lines="1-9999"/>
+  <suppress checks="MethodName"
+    files="Stepdefs.java"
+    lines="1-9999"/>
+</suppressions>
diff --git a/applications/monitoring/pom.xml b/applications/monitoring/pom.xml
new file mode 100644
index 00000000..6da9749d
--- /dev/null
+++ b/applications/monitoring/pom.xml
@@ -0,0 +1,88 @@
+<!--
+  ============LICENSE_START=======================================================
+  ONAP Policy Engine - XACML PDP
+  ================================================================================
+  Copyright (C) 2019 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=========================================================
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.onap.policy.xacml-pdp.applications</groupId>
+        <artifactId>applications</artifactId>
+        <version>2.0.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>monitoring</artifactId>
+
+    <name>${project.artifactId}</name>
+    <description>This modules contains applications that implement policy-types for XACML PDP.</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.policy.common</groupId>
+            <artifactId>common-parameters</artifactId>
+            <version>${policy.common.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-checkstyle-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>onap-java-style</id>
+                        <goals>
+                            <goal>check</goal>
+                        </goals>
+                        <phase>process-sources</phase>
+                        <configuration>
+                            <!-- Use Google Java Style Guide: https://github.com/checkstyle/checkstyle/blob/master/src/main/resources/google_checks.xml 
+                                with minor changes -->
+                            <configLocation>onap-checkstyle/onap-java-style.xml</configLocation>
+                            <!-- <sourceDirectory> is needed so that checkstyle ignores the generated sources directory -->
+                            <sourceDirectory>${project.build.sourceDirectory}</sourceDirectory>
+                            <includeResources>true</includeResources>
+                            <includeTestSourceDirectory>true</includeTestSourceDirectory>
+                            <includeTestResources>true</includeTestResources>
+                            <excludes>
+                            </excludes>
+                            <suppressionsLocation>${project.basedir}/checkstyle-suppressions.xml</suppressionsLocation>
+                            <consoleOutput>true</consoleOutput>
+                            <failOnViolation>true</failOnViolation>
+                            <violationSeverity>warning</violationSeverity>
+                        </configuration>
+                    </execution>
+                </executions>
+                <dependencies>
+                    <dependency>
+                        <groupId>org.onap.oparent</groupId>
+                        <artifactId>checkstyle</artifactId>
+                        <version>${oparent.version}</version>
+                        <scope>compile</scope>
+                    </dependency>
+                </dependencies>
+            </plugin>
+        </plugins>        
+    </build>    
+
+</project>
diff --git a/applications/monitoring/src/main/java/org/onap/policy/xacml/pdp/engine/OnapXacmlPdpEngine.java b/applications/monitoring/src/main/java/org/onap/policy/xacml/pdp/engine/OnapXacmlPdpEngine.java
new file mode 100644
index 00000000..c6719ecb
--- /dev/null
+++ b/applications/monitoring/src/main/java/org/onap/policy/xacml/pdp/engine/OnapXacmlPdpEngine.java
@@ -0,0 +1,27 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.xacml.pdp.engine;
+
+public class OnapXacmlPdpEngine {
+
+}
diff --git a/applications/monitoring/src/main/resources/RootMonitoringPolicy.xml b/applications/monitoring/src/main/resources/RootMonitoringPolicy.xml
new file mode 100644
index 00000000..3ac716e8
--- /dev/null
+++ b/applications/monitoring/src/main/resources/RootMonitoringPolicy.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<Policy xmlns="urn:oasis:names:tc:xacml:3.0:core:schema:wd-17" PolicyId="urn:org:onap:monitoring:policy:id" Version="1" RuleCombiningAlgId="urn:oasis:names:tc:xacml:1.0:rule-combining-algorithm:first-applicable">
+    <Description>The root policy for supporting in-memory onap.Monitoring policy-type policies.</Description>
+    <Target>
+        <AnyOf>
+            <AllOf>
+                <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
+                    <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">onap.policies.Monitoring</AttributeValue>
+                    <AttributeDesignator Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource" AttributeId="urn:oasis:names:tc:xacml:1.0:resource:resource-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
+                </Match>
+                <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
+                    <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">DCAE</AttributeValue>
+                    <AttributeDesignator Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject" AttributeId="urn:oasis:names:tc:xacml:1.0:subject:subject-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
+                </Match>
+                <Match MatchId="urn:oasis:names:tc:xacml:3.0:function:string-equal-ignore-case">
+                    <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">configure</AttributeValue>
+                    <AttributeDesignator Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action" AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
+                </Match>
+            </AllOf>
+        </AnyOf>
+    </Target>
+    <Rule RuleId="urn:org:onap:xacml:rule:id:da3338f3-8a9d-4bc7-8266-35b886516354" Effect="Permit">
+        <Description>PERMIT - TO BE FILLED IN</Description>
+        <Target>
+            <AnyOf>
+                <AllOf>
+                    <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">
+                        <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">John</AttributeValue>
+                        <AttributeDesignator Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject" AttributeId="urn:oasis:names:tc:xacml:1.0:subject:subject-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
+                    </Match>
+                    <Match MatchId="urn:oasis:names:tc:xacml:3.0:function:string-equal-ignore-case">
+                        <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">ACCESS</AttributeValue>
+                        <AttributeDesignator Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action" AttributeId="urn:oasis:names:tc:xacml:1.0:action:action-id" DataType="http://www.w3.org/2001/XMLSchema#string" MustBePresent="false"/>
+                    </Match>
+                </AllOf>
+            </AnyOf>
+        </Target>
+    </Rule>
+    <Rule RuleId="urn:org:onap:xacml:rule:id:74caee98-bd05-4bb5-917c-a26ef80bb0f4" Effect="Deny">
+        <Description>Default is DENY</Description>
+    </Rule>
+</Policy>
diff --git a/applications/monitoring/src/main/resources/onap.Monitoring.1.0.0.yaml b/applications/monitoring/src/main/resources/onap.Monitoring.1.0.0.yaml
new file mode 100644
index 00000000..8506c0ea
--- /dev/null
+++ b/applications/monitoring/src/main/resources/onap.Monitoring.1.0.0.yaml
@@ -0,0 +1,6 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+policy_types:
+  - onap.policies.Monitoring:
+      derived_from: tosca.policies.Root
+      version: 1.0.0
+      description: a base policy type for all policies that govern monitoring provision
\ No newline at end of file
diff --git a/applications/monitoring/src/main/resources/onap.policy.monitoring.cdap.tca.hi.lo.app.1.0.0.yaml b/applications/monitoring/src/main/resources/onap.policy.monitoring.cdap.tca.hi.lo.app.1.0.0.yaml
new file mode 100644
index 00000000..2e8320d3
--- /dev/null
+++ b/applications/monitoring/src/main/resources/onap.policy.monitoring.cdap.tca.hi.lo.app.1.0.0.yaml
@@ -0,0 +1,144 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+policy_types:
+    onap.policies.Monitoring:
+        derived_from: tosca.policies.Root
+        description: a base policy type for all policies that govern monitoring provision
+    onap.policy.monitoring.cdap.tca.hi.lo.app:
+        derived_from: onap.policies.Monitoring
+        version: 1.0.0
+        properties:
+            tca_policy:
+                type: list
+                description: TCA Policy JSON
+                entry_schema:
+                    type: onap.datatypes.monitoring.tca_policy
+data_types:
+    onap.datatypes.monitoring.metricsPerEventName:
+        derived_from: tosca.datatypes.Root
+        properties:
+            controlLoopSchemaType:
+                type: string
+                required: false
+                description: Specifies Control Loop Schema Type for the event Name e.g. VNF, VM
+                constraints:
+                  - valid_values:
+                      - VM
+                      - VNF
+            eventName:
+                type: string
+                description: Event name to which thresholds need to be applied
+            policyName:
+                type: string
+                description: TCA Policy Scope Name
+            policyScope:
+                type: string
+                description: TCA Policy Scope
+            policyVersion:
+                type: string
+                description: TCA Policy Scope Version
+            thresholds:
+                type: list
+                description: Thresholds associated with eventName
+                entry_schema:
+                    type: onap.datatypes.monitoring.thresholds
+    onap.datatypes.monitoring.tca_policy:
+        derived_from: tosca.datatypes.Root
+        properties:
+            domain:
+                type: string
+                description: Domain name to which TCA needs to be applied
+                default: measurementsForVfScaling
+                constraints:
+                  - equal: measurementsForVfScaling
+            metricsPerEventName:
+                type: list
+                description: Contains eventName and threshold details that need to be applied to given eventName
+                entry_schema:
+                    type: onap.datatypes.monitoring.metricsPerEventName
+    onap.datatypes.monitoring.thresholds:
+        derived_from: tosca.datatypes.Root
+        properties:
+            closedLoopControlName:
+                type: string
+                description: Closed Loop Control Name associated with the threshold
+            closedLoopEventStatus:
+                type: string
+                description: Closed Loop Event Status of the threshold
+                constraints:
+                  - valid_values:
+                      - ONSET
+                      - ABATED
+            direction:
+                type: string
+                description: Direction of the threshold
+                constraints:
+                  - valid_values:
+                      - LESS
+                      - LESS_OR_EQUAL
+                      - GREATER
+                      - GREATER_OR_EQUAL
+                      - EQUAL
+            fieldPath:
+                type: string
+                description: Json field Path as per CEF message which needs to be analyzed for TCA
+                constraints:
+                  - valid_values:
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedTotalPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedOctetsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedUnicastPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedMulticastPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedBroadcastPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedDiscardedPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedErrorPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedTotalPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedOctetsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedUnicastPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedMulticastPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedBroadcastPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedDiscardedPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedErrorPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedTotalPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedOctetsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedUnicastPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedMulticastPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedBroadcastPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedDiscardedPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedErrorPacketsDelta
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedTotalPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedOctetsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedUnicastPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedMulticastPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedBroadcastPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedDiscardedPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.vNicPerformanceArray[*].transmittedErrorPacketsAccumulated
+                      - $.event.measurementsForVfScalingFields.cpuUsageArray[*].cpuIdle
+                      - $.event.measurementsForVfScalingFields.cpuUsageArray[*].cpuUsageInterrupt
+                      - $.event.measurementsForVfScalingFields.cpuUsageArray[*].cpuUsageNice
+                      - $.event.measurementsForVfScalingFields.cpuUsageArray[*].cpuUsageSoftIrq
+                      - $.event.measurementsForVfScalingFields.cpuUsageArray[*].cpuUsageSteal
+                      - $.event.measurementsForVfScalingFields.cpuUsageArray[*].cpuUsageSystem
+                      - $.event.measurementsForVfScalingFields.cpuUsageArray[*].cpuWait
+                      - $.event.measurementsForVfScalingFields.cpuUsageArray[*].percentUsage
+                      - $.event.measurementsForVfScalingFields.meanRequestLatency
+                      - $.event.measurementsForVfScalingFields.memoryUsageArray[*].memoryBuffered
+                      - $.event.measurementsForVfScalingFields.memoryUsageArray[*].memoryCached
+                      - $.event.measurementsForVfScalingFields.memoryUsageArray[*].memoryConfigured
+                      - $.event.measurementsForVfScalingFields.memoryUsageArray[*].memoryFree
+                      - $.event.measurementsForVfScalingFields.memoryUsageArray[*].memoryUsed
+                      - $.event.measurementsForVfScalingFields.additionalMeasurements[*].arrayOfFields[0].value
+            severity:
+                type: string
+                description: Threshold Event Severity
+                constraints:
+                  - valid_values:
+                      - CRITICAL
+                      - MAJOR
+                      - MINOR
+                      - WARNING
+                      - NORMAL
+            thresholdValue:
+                type: integer
+                description: Threshold value for the field Path inside CEF message
+            version:
+                type: string
+                description: Version number associated with the threshold
diff --git a/applications/monitoring/src/test/java/cucumber/RunCucumberTest.java b/applications/monitoring/src/test/java/cucumber/RunCucumberTest.java
new file mode 100644
index 00000000..8dfc0b1c
--- /dev/null
+++ b/applications/monitoring/src/test/java/cucumber/RunCucumberTest.java
@@ -0,0 +1,32 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package cucumber;
+
+import cucumber.api.CucumberOptions;
+import cucumber.api.junit.Cucumber;
+import org.junit.runner.RunWith;
+
+@RunWith(Cucumber.class)
+@CucumberOptions()
+public class RunCucumberTest {
+}
\ No newline at end of file
diff --git a/applications/monitoring/src/test/java/cucumber/Stepdefs.java b/applications/monitoring/src/test/java/cucumber/Stepdefs.java
new file mode 100644
index 00000000..6915afdb
--- /dev/null
+++ b/applications/monitoring/src/test/java/cucumber/Stepdefs.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package cucumber;
+
+import cucumber.api.java.en.Given;
+import cucumber.api.java.en.Then;
+import cucumber.api.java.en.When;
+
+public class Stepdefs {
+
+    @Given("TCA Policy is loaded")
+    public void tca_Policy_is_loaded() {
+        // Write code here that turns the phrase above into concrete actions
+        throw new cucumber.api.PendingException();
+    }
+
+    @When("A Decision Request is received")
+    public void a_Decision_Request_is_received() {
+        // Write code here that turns the phrase above into concrete actions
+        throw new cucumber.api.PendingException();
+    }
+
+    @Then("I should return TCA Policy as JSON")
+    public void i_should_return_TCA_Policy_as_JSON() {
+        // Write code here that turns the phrase above into concrete actions
+        throw new cucumber.api.PendingException();
+    }
+}
diff --git a/applications/monitoring/src/test/resources/cucumber/decisions.feature b/applications/monitoring/src/test/resources/cucumber/decisions.feature
new file mode 100644
index 00000000..a23d965b
--- /dev/null
+++ b/applications/monitoring/src/test/resources/cucumber/decisions.feature
@@ -0,0 +1,27 @@
+#
+# ============LICENSE_START=======================================================
+# ONAP
+# ================================================================================
+# Copyright (C) 2019 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ============LICENSE_END=========================================================
+Feature: Return a decision
+  Return a decision for a request
+  
+  Scenario: Return policy as a JSON
+    Given TCA Policy is loaded
+    When A Decision Request is received
+    Then I should return TCA Policy as JSON
\ No newline at end of file
diff --git a/applications/monitoring/src/test/resources/vDNS.policy.input.yaml b/applications/monitoring/src/test/resources/vDNS.policy.input.yaml
new file mode 100644
index 00000000..ee149381
--- /dev/null
+++ b/applications/monitoring/src/test/resources/vDNS.policy.input.yaml
@@ -0,0 +1,33 @@
+tosca_definitions_version: tosca_simple_yaml_1_0_0
+policies:
+  -
+    onap.scaleout.tca:
+        type: onap.policies.monitoring.cdap.tca.hi.lo.app
+        version: 1.0.0
+        metadata:
+          policy-id: onap.scaleout.tca
+        properties:
+          domain: measurementsForVfScaling
+          metricsPerEventName:
+            -
+              eventName: vLoadBalancer
+              controlLoopSchemaType: VNF
+              policyScope: "type=configuration"
+              policyName: "onap.scaleout.tca"
+              policyVersion: "v0.0.1"
+              thresholds:
+                - closedLoopControlName: "CL-LBAL-LOW-TRAFFIC-SIG-FB480F95-A453-6F24-B767-FD703241AB1A"
+                  closedLoopEventStatus: ONSET
+                  version: "1.0.2"
+                  fieldPath: "$.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedBroadcastPacketsAccumulated"
+                  thresholdValue: 500
+                  direction: LESS_OR_EQUAL
+                  severity: MAJOR
+                -
+                  closedLoopControlName: "CL-LBAL-LOW-TRAFFIC-SIG-0C5920A6-B564-8035-C878-0E814352BC2B"
+                  closedLoopEventStatus: ONSET
+                  version: "1.0.2"
+                  fieldPath: "$.event.measurementsForVfScalingFields.vNicPerformanceArray[*].receivedBroadcastPacketsAccumulated"
+                  thresholdValue: 5000
+                  direction: GREATER_OR_EQUAL
+                  severity: CRITICAL
diff --git a/applications/pom.xml b/applications/pom.xml
new file mode 100644
index 00000000..13d83fe6
--- /dev/null
+++ b/applications/pom.xml
@@ -0,0 +1,39 @@
+<!--
+  ============LICENSE_START=======================================================
+  ONAP
+  ================================================================================
+  Copyright (C) 2019 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=========================================================
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <packaging>pom</packaging>
+
+  <parent>
+    <groupId>org.onap.policy.xacml-pdp</groupId>
+    <artifactId>policy-xacml-pdp</artifactId>
+    <version>2.0.0-SNAPSHOT</version>
+  </parent>
+
+  <groupId>org.onap.policy.xacml-pdp.applications</groupId>
+  <artifactId>applications</artifactId>
+
+  <modules>
+    <module>monitoring</module>
+  </modules>
+
+
+</project>
diff --git a/pom.xml b/pom.xml
index 03d633f3..e912b204 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,6 +50,7 @@
 
     <modules>
         <module>main</module>
+        <module>applications</module>
         <module>packages</module>
     </modules>
     
@@ -60,6 +61,16 @@
             <scope>test</scope>
         </dependency>
         <dependency>
+            <groupId>io.cucumber</groupId>
+            <artifactId>cucumber-java</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.cucumber</groupId>
+            <artifactId>cucumber-junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
             <scope>test</scope>