init

.drone.yml

@@ -0,0 +1,39 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: code-analysis
+    image: aosapps/drone-sonar-plugin
+    settings:
+      sonar_host:
+        from_secret: SONAR_HOST
+      sonar_token:
+        from_secret: SONAR_CODE
+
+  - name: build_application
+    image: openjdk:11-jdk
+    commands:
+      - chmod +x gradlew
+      - ./gradlew build -x test
+
+  - name: kaniko
+    image: banzaicloud/drone-kaniko
+    settings:
+      registry: registry.kmlabz.com
+      repo: birbnetes/${DRONE_REPO_NAME}
+      username:
+        from_secret: DOCKER_USERNAME
+      password:
+        from_secret: DOCKER_PASSWORD
+      tags:
+        - latest
+        - ${DRONE_BUILD_NUMBER}
+
+  - name: ms-teams
+    image: kuperiu/drone-teams
+    settings:
+      webhook:
+        from_secret: TEAMS_WEBHOOK
+    when:
+      status: [ failure ]

.gitignore

@@ -0,0 +1,8 @@
+/.gradle
+/.idea
+/out
+/build
+*.iml
+*.ipr
+*.iws
+*.log

Dockerfile

@@ -0,0 +1,14 @@
+FROM openjdk:11-jre
+
+ENV APPLICATION_USER kotlin
+RUN useradd $APPLICATION_USER
+
+RUN mkdir /app
+RUN chown -R $APPLICATION_USER /app
+
+USER $APPLICATION_USER
+
+COPY ./build/libs/sample-service-consumer.jar /app/sample-service-consumer.jar
+WORKDIR /app
+
+CMD ["java", "-server", "-XX:+UnlockExperimentalVMOptions", "-XX:InitialRAMFraction=2", "-XX:MinRAMFraction=2", "-XX:MaxRAMFraction=2", "-XX:+UseG1GC", "-XX:MaxGCPauseMillis=100", "-XX:+UseStringDeduplication", "-jar", "output-service-rdb.jar"]

build.gradle.kts

@@ -0,0 +1,45 @@
+plugins {
+    application
+    kotlin("jvm") version "1.5.10"
+    id("com.github.johnrengelman.shadow") version "7.0.0"
+}
+
+application {
+    mainClassName = "MainKt"
+}
+
+group = "com.kmlabz"
+version = "1.0-SNAPSHOT"
+
+repositories {
+    mavenCentral()
+    jcenter()
+}
+
+dependencies {
+    implementation("com.rabbitmq:amqp-client:5.13.0")
+    implementation("com.viartemev:the-white-rabbit:0.0.6")
+    implementation("com.zaxxer:HikariCP:5.0.0")
+    implementation("org.jetbrains.exposed:exposed-core:0.33.1")
+    implementation("org.jetbrains.exposed:exposed-dao:0.33.1")
+    implementation("org.jetbrains.exposed:exposed-jdbc:0.33.1")
+    implementation("org.jetbrains.exposed:exposed-java-time:0.33.1")
+    implementation("io.insert-koin:koin-core:3.1.2")
+    implementation("org.postgresql:postgresql:42.2.23")
+    implementation("com.google.code.gson:gson:2.8.7")
+}
+
+tasks {
+    named<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar>("shadowJar") {
+        archiveBaseName.set("sample-service-consumer")
+        classifier = null
+        version = null
+        mergeServiceFiles()
+        manifest {
+            attributes(mapOf("Main-Class" to "Main"))
+        }
+    }
+    compileKotlin {
+        kotlinOptions.jvmTarget = "11"
+    }
+}

gradle.properties

@@ -0,0 +1 @@
+kotlin.code.style=official

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# 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
+#
+#      https://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.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MSYS* | MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle.kts

@@ -0,0 +1,3 @@
+
+rootProject.name = "sample-service-consumer"
+

src/main/kotlin/Main.kt

@@ -0,0 +1,14 @@
+import di.databasemodule
+import mq.ConsumerWrapper
+import org.koin.core.context.GlobalContext.startKoin
+
+fun main(vararg args: String) {
+
+    startKoin {
+        printLogger()
+        modules(databasemodule)
+    }
+
+    val consumerWrapper = ConsumerWrapper();
+    consumerWrapper.recieve();
+}

src/main/kotlin/api/ApiObject.kt

@@ -0,0 +1,10 @@
+package api
+
+import com.google.gson.annotations.SerializedName
+import java.time.LocalDate
+
+data class ApiObject(
+    @SerializedName("tag") val tag: String,
+    @SerializedName("device_id") val device_id: Int,
+    @SerializedName("device_date") val device_date: LocalDate
+)

src/main/kotlin/config/EnvConfig.kt

@@ -0,0 +1,11 @@
+package config
+
+data class EnvConfig (
+    var mqHost: String = System.getenv("MQ_HOST") ?: "localhost",
+    var mqUserName: String = System.getenv("MQ_USERNAME") ?: "rabbitmq",
+    var mqPassWord: String = System.getenv("MQ_PASSWORD") ?: "rabbitmq",
+    var mqExchange: String = System.getenv("MQ_EXCHANGE") ?: "rabbitmq",
+    var dbJdbc: String = System.getenv("DB_JDBC") ?: "input",
+    var dbUsername: String = System.getenv("DB_USERNAME") ?: "output",
+    var dbPassowrd: String = System.getenv("DB_PASSOWRD") ?: "output"
+)

src/main/kotlin/database/DatabaseFactory.kt

@@ -0,0 +1,38 @@
+package database
+
+import config.EnvConfig
+import com.zaxxer.hikari.*
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.transactions.transaction
+
+object DatabaseFactory {
+
+    private val envConfig = EnvConfig()
+    private val dbUrl = envConfig.dbJdbc
+    private val dbUser = envConfig.dbUsername
+    private val dbPassword = envConfig.dbPassowrd
+
+    fun init() {
+        Database.connect(hikari())
+    }
+
+    private fun hikari(): HikariDataSource {
+        val config = HikariConfig()
+        config.driverClassName = "org.postgresql.Driver"
+        config.jdbcUrl = dbUrl
+        config.username = dbUser
+        config.password = dbPassword
+        config.maximumPoolSize = 3
+        config.isAutoCommit = false
+        config.transactionIsolation = "TRANSACTION_REPEATABLE_READ"
+        config.validate()
+        return HikariDataSource(config)
+    }
+
+    suspend fun <T> dbQuery(block: () -> T): T =
+        withContext(Dispatchers.IO) {
+            transaction { block() }
+        }
+}

src/main/kotlin/database/dao/SampleObjects.kt

@@ -0,0 +1,14 @@
+package database.dao
+
+import org.jetbrains.exposed.dao.id.IntIdTable
+import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.`java-time`.date
+import java.time.LocalDate
+
+object SampleObjects : IntIdTable() {
+    val tag: Column<String> = varchar("tag", 32)
+    val timestamp: Column<LocalDate> = date("timestamp").default(LocalDate.now())
+    val device_id: Column<Int> = integer("device_id")
+    val device_date: Column<LocalDate> = date("device_date")
+    override val primaryKey = PrimaryKey(id, name = "PK_SampleObject_Id")
+}

src/main/kotlin/database/model/SampleObject.kt

@@ -0,0 +1,14 @@
+package database.model
+
+import database.dao.SampleObjects
+import org.jetbrains.exposed.dao.IntEntity
+import org.jetbrains.exposed.dao.IntEntityClass
+import org.jetbrains.exposed.dao.id.EntityID
+
+class SampleObject(id: EntityID<Int>): IntEntity(id) {
+    companion object : IntEntityClass<SampleObject>(SampleObjects)
+    var tag by SampleObjects.tag
+    var timestamp by SampleObjects.timestamp
+    var device_id by SampleObjects.device_id
+    var device_date by SampleObjects.device_date
+}

src/main/kotlin/database/service/ISampleObjectService.kt

@@ -0,0 +1,8 @@
+package database.service
+
+import java.time.LocalDate
+import api.ApiObject
+
+interface ISampleObjectService{
+    fun addOne(apiObject: ApiObject)
+}

src/main/kotlin/database/service/SampleObjectService.kt

@@ -0,0 +1,18 @@
+package database.service
+
+import database.model.SampleObject
+import api.ApiObject
+import org.jetbrains.exposed.sql.transactions.transaction
+
+class SampleObjectService : ISampleObjectService {
+
+    override fun addOne(apiObject: ApiObject) {
+        transaction {
+            SampleObject.new {
+                tag = apiObject.tag
+                device_date = apiObject.device_date
+                device_id = apiObject.device_id
+            }
+        }
+    }
+}

src/main/kotlin/di/DatabaseModule.kt

@@ -0,0 +1,9 @@
+package di
+
+import database.service.ISampleObjectService
+import database.service.SampleObjectService
+import org.koin.dsl.module
+
+val databasemodule = module(createdAtStart = true) {
+    single<ISampleObjectService> { SampleObjectService() }
+}

src/main/kotlin/mq/ConsumerWrapper.kt

@@ -0,0 +1,25 @@
+package mq
+
+import com.rabbitmq.client.BuiltinExchangeType
+import com.rabbitmq.client.ConnectionFactory
+import config.EnvConfig
+
+class ConsumerWrapper {
+    private val envConfig = EnvConfig()
+
+    fun recieve(){
+        val factory = ConnectionFactory()
+        factory.host = envConfig.mqHost
+        factory.username = envConfig.mqUserName
+        factory.password = envConfig.mqPassWord
+
+        val inputConnection = factory.newConnection()
+        val inputChannel = inputConnection.createChannel()
+
+        inputChannel.exchangeDeclare(envConfig.mqExchange, BuiltinExchangeType.FANOUT)
+        val inputQueueName = inputChannel.queueDeclare().queue
+        inputChannel.queueBind(inputQueueName, envConfig.mqExchange, "")
+
+        inputChannel.basicConsume(inputQueueName, true, DatabaseConsumer())
+    }
+}

src/main/kotlin/mq/DatabaseConsumer.kt

@@ -0,0 +1,37 @@
+package mq
+
+import api.ApiObject
+import com.google.gson.Gson
+import com.rabbitmq.client.AMQP
+import com.rabbitmq.client.Consumer
+import com.rabbitmq.client.Envelope
+import com.rabbitmq.client.ShutdownSignalException
+import database.service.ISampleObjectService
+import org.koin.core.component.KoinComponent
+import org.koin.core.component.inject
+
+class DatabaseConsumer: Consumer, KoinComponent {
+    private val resultObjectService : ISampleObjectService by inject()
+    private val gson = Gson()
+    override fun handleConsumeOk(consumerTag : String?) {
+    }
+    override fun handleCancelOk(p0 : String?) {
+        throw UnsupportedOperationException()
+    }
+    override fun handleRecoverOk(p0 : String?) {
+        throw UnsupportedOperationException()
+    }
+    override fun handleCancel(p0 : String?) {
+        throw UnsupportedOperationException()
+    }
+
+    override fun handleShutdownSignal(consumerTag: String?, sig: ShutdownSignalException?) {
+        println("got shutdown signal")
+    }
+
+    override fun handleDelivery(consumerTag : String?, envelope : Envelope?, basicProperties : AMQP.BasicProperties?, body : ByteArray?) {
+        val rawJson = body!!.toString(Charsets.UTF_8)
+        val apiObject = gson.fromJson(rawJson, ApiObject::class.java)
+        resultObjectService.addOne(apiObject)
+        }
+}