Addition of Active-Standby Feature

Patch 1: Adds the active-standby feature to drools-pdp.
This feature provides the state control of the
drools-pdp nodes controlling failover with a site
and across sites. Patch 2: Resolve merge conflict in
packages/install/pom.xml and pom.xml. Patch 3: Resolved
comments from Pamela Dragosh and Jorge Hernandez.

Issue-ID: POLICY-156
Change-Id: I922b3d5d8a464006e9675924bcbc7409d68c08d5
Signed-off-by: Kevin McKiou <km097d@att.com>

4 files changed, 206 insertions, 0 deletions

diff --git a/feature-active-standby-management/src/test/resources/META-INF/persistence.xml b/feature-active-standby-management/src/test/resources/META-INF/persistence.xml
new file mode 100644
index 00000000..ff6ac58a
--- /dev/null
+++ b/feature-active-standby-management/src/test/resources/META-INF/persistence.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ============LICENSE_START=======================================================
+  feature-active-standby-management
+  ================================================================================
+  Copyright (C) 2017 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=========================================================
+  -->
+
+<persistence version="2.1"
+	xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
+	<persistence-unit name="junitDroolsPU" transaction-type="RESOURCE_LOCAL">
+		<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
+		<class>org.onap.policy.drools.activestandby.DroolsPdpEntity</class>
+		<properties>
+			<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
+			<property name="javax.persistence.schema-generation.scripts.action" value="drop-and-create"/> 
+            <property name="javax.persistence.schema-generation.scripts.create-target" value="./sql/generatedCreateDrools.ddl"/>
+            <property name="javax.persistence.schema-generation.scripts.drop-target" value="./sql/generatedDropDrools.ddl"/>
+        </properties>
+	</persistence-unit>
+	<persistence-unit name="junitXacmlPU" transaction-type="RESOURCE_LOCAL">
+		<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
+		<class>org.onap.policy.common.im.jpa.StateManagementEntity</class>
+		<class>org.onap.policy.common.im.jpa.ForwardProgressEntity</class>
+		<class>org.onap.policy.common.im.jpa.ResourceRegistrationEntity</class>
+		<properties>
+			<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
+			<property name="javax.persistence.schema-generation.scripts.action" value="drop-and-create"/> 
+            <property name="javax.persistence.schema-generation.scripts.create-target" value="./sql/generatedCreateXacml.ddl"/>
+            <property name="javax.persistence.schema-generation.scripts.drop-target" value="./sql/generatedDropXacml.ddl"/>
+        </properties>
+	</persistence-unit>
+</persistence>
diff --git a/feature-active-standby-management/src/test/resources/feature-active-standby-management.properties b/feature-active-standby-management/src/test/resources/feature-active-standby-management.properties
new file mode 100644
index 00000000..bbae5d98
--- /dev/null
+++ b/feature-active-standby-management/src/test/resources/feature-active-standby-management.properties
@@ -0,0 +1,39 @@
+###
+# ============LICENSE_START=======================================================
+# feature-active-standby-management
+# ================================================================================
+# Copyright (C) 2017 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=========================================================
+###
+
+# DB properties
+javax.persistence.jdbc.driver = org.h2.Driver
+javax.persistence.jdbc.url  = jdbc:h2:file:./sql/activestandbymanagement
+javax.persistence.jdbc.user = sa
+javax.persistence.jdbc.password =
+
+# Must be unique across the system
+resource.name=pdp1
+# Name of the site in which this node is hosted 
+site_name=pdp_1
+
+# Needed by DroolsPdpsElectionHandler
+pdp.checkInterval=1500
+pdp.updateInterval=1000
+#pdp.timeout=3000
+# Need long timeout, because testTransaction is only run every 10 seconds.
+pdp.timeout=15000
+#how long do we wait for the pdp table to populate on initial startup
+pdp.initialWait=20000
\ No newline at end of file
diff --git a/feature-active-standby-management/src/test/resources/feature-state-management.properties b/feature-active-standby-management/src/test/resources/feature-state-management.properties
new file mode 100644
index 00000000..3d767a17
--- /dev/null
+++ b/feature-active-standby-management/src/test/resources/feature-state-management.properties
@@ -0,0 +1,74 @@
+###
+# ============LICENSE_START=======================================================
+# feature-active-standby-management
+# ================================================================================
+# Copyright (C) 2017 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=========================================================
+###
+
+# DB properties
+javax.persistence.jdbc.driver = org.h2.Driver
+javax.persistence.jdbc.url  = jdbc:h2:file:./sql/statemanagement
+javax.persistence.jdbc.user = sa
+javax.persistence.jdbc.password =
+
+# DroolsPDPIntegrityMonitor Properties
+hostPort = 0.0.0.0:57692
+
+#IntegrityMonitor Properties
+
+# Must be unique across the system
+resource.name=pdp1
+# Name of the site in which this node is hosted 
+site_name = pdp_1
+# Forward Progress Monitor update interval seconds
+fp_monitor_interval = 30
+# Failed counter threshold before failover 
+failed_counter_threshold = 3
+# Interval between test transactions when no traffic seconds
+test_trans_interval = 10
+# Interval between writes of the FPC to the DB seconds 
+write_fpc_interval = 5
+# Node type Note: Make sure you don't leave any trailing spaces, or you'll get an 'invalid node type' error! 
+node_type = pdp_drools
+# Dependency groups are groups of resources upon which a node operational state is dependent upon. 
+# Each group is a comma-separated list of resource names and groups are separated by a semicolon.  For example:
+# dependency_groups=site_1.astra_1,site_1.astra_2;site_1.brms_1,site_1.brms_2;site_1.logparser_1;site_1.pypdp_1
+dependency_groups=
+# When set to true, dependent health checks are performed by using JMX to invoke test() on the dependent.
+# The default false is to use state checks for health.
+test_via_jmx=true
+# This is the max number of seconds beyond which a non incrementing FPC is considered a failure
+max_fpc_update_interval=120
+# Run the state audit every 60 seconds (60000 ms).  The state audit finds stale DB entries in the 
+# forwardprogressentity table and marks the node as disabled/failed in the statemanagemententity 
+# table. NOTE! It will only run on nodes that have a standbystatus = providingservice.
+# A value of <= 0 will turn off the state audit.
+state_audit_interval_ms=60000
+# The refresh state audit is run every (default) 10 minutes (600000 ms) to clean up any state corruption in the 
+# DB statemanagemententity table. It only refreshes the DB state entry for the local node.  That is, it does not
+# refresh the state of any other nodes.  A value <= 0 will turn the audit off. Any other value will override 
+# the default of 600000 ms.
+refresh_state_audit_interval_ms=600000
+
+
+# Repository audit properties
+# Flag to control the execution of the subsystemTest for the Nexus Maven repository
+repository.audit.is.active=false
+repository.audit.ignore.errors=true
+
+# DB Audit Properties
+# Flag to control the execution of the subsystemTest for the Database
+db.audit.is.active=false
diff --git a/feature-active-standby-management/src/test/resources/logback-test.xml b/feature-active-standby-management/src/test/resources/logback-test.xml
new file mode 100644
index 00000000..a36bdb16
--- /dev/null
+++ b/feature-active-standby-management/src/test/resources/logback-test.xml
@@ -0,0 +1,46 @@
+<!--
+  ============LICENSE_START=======================================================
+  feature-state-management
+  ================================================================================
+  Copyright (C) 2017 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=========================================================
+  -->
+
+<!-- Controls the output of logs for JUnit tests -->
+
+<configuration>
+
+	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+		<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
+			<Pattern>
+				%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36}.%M\(%line\) - %msg%n
+			</Pattern>
+		</encoder>
+	</appender>
+	<appender name="FILE" class="ch.qos.logback.core.FileAppender">
+		<file>logs/debug.log</file>
+		<encoder>
+			<Pattern>
+				%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36}.%M\(%line\) - %msg%n
+			</Pattern>
+		</encoder>
+	</appender>
+	
+	<root level="debug">
+		<appender-ref ref="STDOUT" />
+		<appender-ref ref="FILE" />
+	</root>
+
+</configuration>