create application

.drone.yml

@@ -0,0 +1,38 @@
+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:
+    - ./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

@@ -1,25 +1,7 @@
-# ---> Kotlin
+/.gradle
-# Compiled class file
+/.idea
-*.class
+/out
-
+/build
-# Log file
+*.iml
-*.log
+*.ipr
-
+*.iws
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.jar
-*.war
-*.nar
-*.ear
-*.zip
-*.tar.gz
-*.rar
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
-

build.gradle

@@ -0,0 +1,66 @@
+buildscript {
+    repositories {
+        jcenter()
+        mavenCentral()
+        maven {
+            url = uri("https://repo.eclipse.org/content/repositories/paho-releases/")
+        }
+        maven {
+            url = uri("https://plugins.gradle.org/m2/")
+        }
+    }
+    
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "com.github.jengelman.gradle.plugins:shadow:5.2.0"
+    }
+}
+
+tasks.withType(JavaCompile) {
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
+}
+
+apply plugin: 'kotlin'
+apply plugin: 'com.github.johnrengelman.shadow'
+apply plugin: 'application'
+
+group 'com.kmlabz.birbnetes'
+version '0.0.1'
+mainClassName = "io.ktor.server.tomcat.EngineMain"
+
+sourceSets {
+    main.kotlin.srcDirs = main.java.srcDirs = ['src']
+    test.kotlin.srcDirs = test.java.srcDirs = ['test']
+    main.resources.srcDirs = ['resources']
+    test.resources.srcDirs = ['testresources']
+}
+
+repositories {
+    mavenLocal()
+    jcenter()
+    maven { url 'https://kotlin.bintray.com/ktor' }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
+    implementation "io.ktor:ktor-server-tomcat:$ktor_version"
+    implementation "ch.qos.logback:logback-classic:$logback_version"
+    implementation "io.ktor:ktor-server-core:$ktor_version"
+    implementation 'com.google.code.gson:gson:2.8.6'
+    implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.5'
+}
+
+kotlin.experimental.coroutines = 'enable'
+
+tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
+    kotlinOptions {
+        jvmTarget = "11"
+    }
+}
+
+shadowJar {
+    baseName = 'benchmark-service'
+    classifier = null
+    version = null
+}

gradle.properties

@@ -0,0 +1,4 @@
+ktor_version=1.4.1
+kotlin.code.style=official
+kotlin_version=1.4.10
+logback_version=1.2.1

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$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`="\"$arg\""
+        fi
+        i=$((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"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,84 @@
+@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 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=
+
+@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 init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+: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 %CMD_LINE_ARGS%
+
+: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

resources/application.conf

@@ -0,0 +1,15 @@
+ktor {
+    deployment {
+        port = 8080
+        port = ${?PORT}
+
+    }
+    mqtt {
+        broker = ${?BROKER}
+        username = ${?USERNAME}
+        password = ${?PASSWORD}
+    }
+    application {
+        modules = [ com.kmlabz.birbnetes.ApplicationKt.module ]
+    }
+}

resources/logback.xml

@@ -0,0 +1,12 @@
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+    <root level="trace">
+        <appender-ref ref="STDOUT"/>
+    </root>
+    <logger name="org.eclipse.jetty" level="INFO"/>
+    <logger name="io.netty" level="INFO"/>
+</configuration>

settings.gradle

@@ -0,0 +1 @@
+rootProject.name = "benchmark-service"

src/Application.kt

@@ -0,0 +1,50 @@
+package com.kmlabz.birbnetes
+
+import com.google.gson.GsonBuilder
+import com.typesafe.config.ConfigFactory
+import io.ktor.application.*
+import io.ktor.config.*
+import io.ktor.request.*
+import io.ktor.routing.*
+import io.ktor.util.*
+import kotlin.text.toCharArray
+import org.eclipse.paho.client.mqttv3.MqttClient
+import org.eclipse.paho.client.mqttv3.MqttConnectOptions
+import org.eclipse.paho.client.mqttv3.MqttMessage
+import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
+
+
+fun main(args: Array<String>): Unit = io.ktor.server.tomcat.EngineMain.main(args)
+
+@KtorExperimentalAPI
+@Suppress("unused") // Referenced in application.conf
+@kotlin.jvm.JvmOverloads
+fun Application.module(testing: Boolean = false) {
+
+    val appConfig = HoconApplicationConfig(ConfigFactory.load())
+    val persistence = MemoryPersistence()
+    val mqttClient = MqttClient(appConfig.property("ktor.mq.broker").getString(), MqttClient.generateClientId(), persistence)
+    val connOpts = MqttConnectOptions()
+    val gson = GsonBuilder().create()
+    val message = MqttMessage("0".toByteArray())
+
+    environment.monitor.subscribe(ApplicationStarted){
+        connOpts.isCleanSession = true
+        connOpts.userName = appConfig.property("ktor.mq.username").getString()
+        connOpts.password = appConfig.property("ktor.mq.password").getString().toCharArray()
+        mqttClient.connect(connOpts)
+        message.qos = 0
+    }
+
+    environment.monitor.subscribe(ApplicationStopped){
+        mqttClient.disconnect()
+    }
+
+    routing {
+        get("/") {
+            val requestBody : String = call.receiveText()
+            val msgObj: MessageObject = gson.fromJson(requestBody,MessageObject::class.java)
+            mqttClient.publish("command/${msgObj.device_id}", message)
+        }
+    }
+}

src/MessageObject.kt

@@ -0,0 +1,9 @@
+package com.kmlabz.birbnetes
+
+import com.google.gson.annotations.SerializedName
+import java.util.*
+
+data class MessageObject(
+    @SerializedName("data") val date: Date,
+    @SerializedName("device_id") val device_id: Int
+)

test/ApplicationTest.kt

@@ -0,0 +1,21 @@
+package com.kmlabz.birbnetes
+
+import io.ktor.application.*
+import io.ktor.response.*
+import io.ktor.request.*
+import io.ktor.routing.*
+import io.ktor.http.*
+import kotlin.test.*
+import io.ktor.server.testing.*
+
+class ApplicationTest {
+    @Test
+    fun testRoot() {
+        withTestApplication({ module(testing = true) }) {
+            handleRequest(HttpMethod.Get, "/").apply {
+                assertEquals(HttpStatusCode.OK, response.status())
+                assertEquals("HELLO WORLD!", response.content)
+            }
+        }
+    }
+}