Add changes to basic structure of api component

Includes:
1) Changed logging from FlexLogger to slf4j and used the logback.xml aligned with
v1.2 logging requirements.
2) Added https as a configurable parameter of api rest server.
3) Added aaf as a condfigurable parameter of api rest server.
4) Added AafFilter classes for healthcheck and statistics.
5) Added api statistics REST entry point.
6) Created related junit tests.
7) Packaged docker

Issue-ID: POLICY-1270
Change-Id: I638f61361bb052545e8597531ba3d58019bf1f24
Signed-off-by: Chenfei Gao <cgao@research.att.com>

3 files changed, 265 insertions, 0 deletions

diff --git a/packages/policy-api-docker/pom.xml b/packages/policy-api-docker/pom.xml
new file mode 100644
index 00000000..e918513b
--- /dev/null
+++ b/packages/policy-api-docker/pom.xml
@@ -0,0 +1,176 @@
+<!--
+  ============LICENSE_START=======================================================
+   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=========================================================
+-->
+
+<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.api</groupId>
+        <artifactId>packages</artifactId>
+        <version>2.0.0-SNAPSHOT</version>
+    </parent>
+
+    <packaging>pom</packaging>
+    <artifactId>policy-api-docker</artifactId>
+    <name>Policy api docker image</name>
+    <description>Policy api docker image</description>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <dist.project.version>${project.version}</dist.project.version>
+        <docker.skip>false</docker.skip>
+        <docker.skip.build>false</docker.skip.build>
+        <docker.skip.push>false</docker.skip.push>
+        <docker.pull.registry>nexus3.onap.org:10001</docker.pull.registry>
+        <docker.push.registry>nexus3.onap.org:10003</docker.push.registry>
+        <maven.build.timestamp.format>yyyyMMdd'T'HHmm</maven.build.timestamp.format>
+    </properties>
+
+    <build>
+        <finalName>${project.artifactId}-${project.version}</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.codehaus.groovy.maven</groupId>
+                <artifactId>gmaven-plugin</artifactId>
+                <version>1.0</version>
+                <executions>
+                    <execution>
+                        <phase>validate</phase>
+                        <goals>
+                            <goal>execute</goal>
+                        </goals>
+                        <configuration>
+                            <source>
+                                println 'Project version: ' + project.properties['dist.project.version'];
+                                def versionArray;
+                                if ( project.properties['dist.project.version'] != null ) {
+                                    versionArray = project.properties['dist.project.version'].split('-');
+                                }
+
+                                if ( project.properties['dist.project.version'].endsWith("-SNAPSHOT") ) {
+                                    project.properties['project.docker.latesttag.version']=versionArray[0] + "-SNAPSHOT-latest";
+                                } else {
+                                    project.properties['project.docker.latesttag.version']=versionArray[0] + "-STAGING-latest";
+                                }
+
+                                println 'New tag for docker: ' + project.properties['project.docker.latesttag.version'];
+                            </source>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>io.fabric8</groupId>
+                <artifactId>docker-maven-plugin</artifactId>
+                <version>0.19.1</version>
+
+                <configuration>
+                    <verbose>true</verbose>
+                    <apiVersion>1.23</apiVersion>
+                    <pullRegistry>${docker.pull.registry}</pullRegistry>
+                    <pushRegistry>${docker.push.registry}</pushRegistry>
+
+                    <images>
+                        <image>
+                            <name>onap/policy-api</name>
+                            <build>
+                                <cleanup>try</cleanup>
+                                <dockerFile>Dockerfile</dockerFile>
+                                <tags>
+                                    <tag>${project.version}</tag>
+                                    <tag>${project.version}-${maven.build.timestamp}</tag>
+                                    <tag>${project.docker.latesttag.version}</tag>
+                                </tags>
+                                <assembly>
+                                    <inline>
+                                        <dependencySets>
+                                            <dependencySet>
+                                                <includes>
+                                                    <include>org.onap.policy.api:policy-api-tarball</include>
+                                                </includes>
+                                                <outputDirectory>/lib</outputDirectory>
+                                                <outputFileNameMapping>policy-api.tar.gz</outputFileNameMapping>
+                                            </dependencySet>
+                                        </dependencySets>
+                                    </inline>
+                                </assembly>
+                            </build>
+                        </image>
+                    </images>
+                </configuration>
+
+                <executions>
+                    <execution>
+                        <id>clean-images</id>
+                        <phase>pre-clean</phase>
+                        <goals>
+                            <goal>remove</goal>
+                        </goals>
+                        <configuration>
+                            <removeAll>true</removeAll>
+                        </configuration>
+                    </execution>
+
+                    <execution>
+                        <id>generate-images</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>build</goal>
+                        </goals>
+                    </execution>
+
+                    <execution>
+                        <id>push-images</id>
+                        <phase>deploy</phase>
+                        <goals>
+                            <goal>build</goal>
+                            <goal>push</goal>
+                        </goals>
+                        <configuration>
+                            <image>onap/policy-api</image>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.onap.policy.api</groupId>
+            <artifactId>policy-api-tarball</artifactId>
+            <version>${project.version}</version>
+            <classifier>tarball</classifier>
+            <type>tar.gz</type>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/packages/policy-api-docker/src/main/docker/Dockerfile b/packages/policy-api-docker/src/main/docker/Dockerfile
new file mode 100644
index 00000000..0d4b3b91
--- /dev/null
+++ b/packages/policy-api-docker/src/main/docker/Dockerfile
@@ -0,0 +1,46 @@
+FROM ubuntu:14.04
+
+ARG HTTP_PROXY=${HTTP_PROXY}
+ARG HTTPS_PROXY=${HTTPS_PROXY}
+ARG BUILD_VERSION=${BUILD_VERSION}
+ARG POLICY_LOGS=/var/log/onap/policy/api
+
+ENV http_proxy $HTTP_PROXY
+ENV https_proxy $HTTPS_PROXY
+ENV BUILD_VERSION ${BUILD_VERSION}
+ENV POLICY_LOGS ${POLICY_LOGS}
+
+ENV POLICY_HOME=/opt/app/policy
+ENV POLICY_API_HOME=${POLICY_HOME}/api
+
+RUN \
+        apt-get clean && \
+        apt-get update && \
+        apt-get install -y zip unzip curl wget ssh telnet maven && \
+        apt-get install -y software-properties-common && \
+        apt-get install -y jq httpie && \
+        apt-get install -y python-pip && \
+        add-apt-repository ppa:openjdk-r/ppa && \
+        apt-get clean && \
+        apt-get update && \
+        apt-get install -y openjdk-8-jdk
+
+RUN groupadd policy 
+RUN useradd --create-home --shell /bin/bash -g policy policy
+
+RUN mkdir -p ${POLICY_API_HOME} ${POLICY_LOGS} ${POLICY_HOME}/etc/ssl ${POLICY_API_HOME}/bin && \
+    chown  -R policy:policy ${POLICY_HOME} ${POLICY_API_HOME} ${POLICY_LOGS}
+
+RUN mkdir /packages
+COPY /maven/* /packages
+RUN tar xvfz /packages/policy-api.tar.gz --directory ${POLICY_API_HOME}
+RUN rm /packages/policy-api.tar.gz
+
+WORKDIR ${POLICY_API_HOME}
+COPY policy-api.sh  bin/.
+RUN chown -R policy:policy * && chmod +x bin/*.sh
+RUN cp ${POLICY_API_HOME}/etc/ssl/* ${POLICY_HOME}/etc/ssl && chown policy:policy ${POLICY_HOME}/etc/ssl/*
+
+USER policy
+WORKDIR ${POLICY_API_HOME}/bin
+ENTRYPOINT [ "bash", "./policy-api.sh" ]
diff --git a/packages/policy-api-docker/src/main/docker/policy-api.sh b/packages/policy-api-docker/src/main/docker/policy-api.sh
new file mode 100644
index 00000000..21d8326b
--- /dev/null
+++ b/packages/policy-api-docker/src/main/docker/policy-api.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+#
+# ============LICENSE_START=======================================================
+#  Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ============LICENSE_END=========================================================
+#
+
+JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/
+POLICY_API_HOME=/opt/app/policy/api
+KEYSTORE="${POLICY_HOME}/etc/ssl/policy-keystore"
+KEYSTORE_PASSWD="Pol1cy_0nap"
+TRUSTSTORE="${POLICY_HOME}/etc/ssl/policy-truststore"
+TRUSTSTORE_PASSWD="Pol1cy_0nap"
+
+
+if [ "$#" -eq 1 ]; then
+    CONFIG_FILE=$1
+else
+    CONFIG_FILE=${CONFIG_FILE}
+fi
+
+if [ -z "$CONFIG_FILE" ]
+  then
+    CONFIG_FILE="$POLICY_API_HOME/etc/defaultConfig.json"
+fi
+
+echo "Policy api config file: $CONFIG_FILE"
+
+$JAVA_HOME/bin/java -cp "$POLICY_API_HOME/etc:$POLICY_API_HOME/lib/*" -Djavax.net.ssl.keyStore="$KEYSTORE" -Djavax.net.ssl.keyStorePassword="$KEYSTORE_PASSWD" -Djavax.net.ssl.trustStore="$TRUSTSTORE" -Djavax.net.ssl.trustStorePassword="$TRUSTSTORE_PASSWD" org.onap.policy.api.main.startstop.Main -c $CONFIG_FILE