initial commit

.drone.yml

@@ -0,0 +1,58 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: restore-cache-with-filesystem
+  image: meltwater/drone-cache
+  settings:
+    backend: "filesystem"
+    restore: true
+    cache_key: "{{ .Repo.Name }}"
+    archive_format: "gzip"
+    filesystem_cache_root: "/tmp/cache"
+    mount:
+      - 'build'
+      - '.gradle'
+  volumes:
+  - name: cache
+    path: /tmp/cache
+
+- name: build_application
+  image: openjdk:11-jdk
+  commands:
+    - ./gradlew build -x test
+
+- name: rebuild-cache-with-filesystem
+  image: meltwater/drone-cache:dev
+  pull: true
+  settings:
+    backend: "filesystem"
+    rebuild: true
+    cache_key: "{{ .Repo.Name }}"
+    archive_format: "gzip"
+    filesystem_cache_root: "/tmp/cache"
+    mount:
+      - 'build'
+      - '.gradle'
+  volumes:
+  - name: cache
+    path: /tmp/cache
+
+- name: kaniko
+  image: banzaicloud/drone-kaniko
+  settings:
+    registry: registry.kmlabz.com
+    repo: tormakris/${DRONE_REPO_NAME}
+    username:
+      from_secret: DOCKER_USERNAME
+    password:
+      from_secret: DOCKER_PASSWORD
+    tags:
+      - latest
+      - ${DRONE_BUILD_NUMBER}
+
+volumes:
+- name: cache
+  host:
+    path: "/tmp/cache"

.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 ktor
+RUN useradd $APPLICATION_USER
+
+RUN mkdir /app
+RUN chown -R $APPLICATION_USER /app
+
+USER $APPLICATION_USER
+
+COPY ./build/libs/messagequeue-glue-1.0-SNAPSHOT.jar /app/messagequeue-glue-1.0-SNAPSHOT.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", "input-service.jar"]

build.gradle.kts

@@ -0,0 +1,38 @@
+buildscript {
+    repositories {
+        gradlePluginPortal()
+    }
+    dependencies {
+        classpath("com.github.jengelman.gradle.plugins:shadow:5.2.0")
+    }
+}
+
+plugins {
+    kotlin("jvm") version "1.3.72"
+}
+
+group = "com.kmlabz"
+version = "1.0-SNAPSHOT"
+
+repositories {
+    mavenCentral()
+    jcenter()
+}
+
+apply(plugin= "com.github.johnrengelman.shadow")
+
+dependencies {
+    implementation(kotlin("stdlib-jdk8"))
+    implementation("com.rabbitmq:amqp-client:2.7.1")
+    implementation("com.viartemev:the-white-rabbit:0.0.5")
+    implementation("com.google.code.gson:gson:2.8.6")
+}
+
+tasks {
+    compileKotlin {
+        kotlinOptions.jvmTarget = "11"
+    }
+    compileTestKotlin {
+        kotlinOptions.jvmTarget = "11"
+    }
+}

docker-compose.yml

@@ -0,0 +1,75 @@
+version: '3'
+
+services:
+
+  output-service-postgres:
+    image: "postgres:12"
+    restart: "always"
+    volumes:
+      - "ktor-data:/var/lib/postgresql/data"
+    ports:
+      - "127.0.0.1:5433:5432"
+    environment:
+      POSTGRES_USER: "output-service-rdb"
+      POSTGRES_PASSWORD: "output-service-rdb"
+      POSTGRES_DB: "output-service-rdb"
+
+  output-service-rdb:
+    image: "registry.kmlabz.com/birbnetes/output-service-rdb"
+    restart: "always"
+    ports:
+      - "127.0.0.1:8081:8080"
+    environment:
+      DB_USER: "output-service-rdb"
+      DB_PASSWORD: "output-service-rdb"
+      DB_URL: "jdbc:postgresql://output-service-postgres:5432/output-service-rdb"
+      MQ_HOST: rabbitmq
+      MQ_USERNAME: rabbitmq
+      MQ_PASSWORD: rabbitmq
+    depends_on:
+      - rabbitmq
+      - output-service-postgres
+
+  input-service-postgres:
+    image: "postgres:12"
+    restart: "always"
+    volumes:
+      - "input-ktor-data:/var/lib/postgresql/data"
+    ports:
+      - "127.0.0.1:5432:5432"
+    environment:
+      POSTGRES_USER: "input-service"
+      POSTGRES_PASSWORD: "input-service"
+      POSTGRES_DB: "input-service"
+
+  input-service:
+    image: "registry.kmlabz.com/tormakris/input-service"
+    restart: "always"
+    ports:
+      - "127.0.0.1:8080:8080"
+    environment:
+      DB_USER: "input-service"
+      DB_PASSWORD: "input-service"
+      DB_URL: "jdbc:postgresql://input-service-postgres:5432/input-service"
+      MQ_HOST: rabbitmq
+      MQ_USERNAME: rabbitmq
+      MQ_PASSWORD: rabbitmq
+    depends_on:
+      - rabbitmq
+      - input-service-postgres
+
+  rabbitmq:
+    image: "rabbitmq:3-management"
+    hostname: "rabbitmq"
+    environment:
+      RABBITMQ_ERLANG_COOKIE: "SWQOKODSQALRPCLNMEQG"
+      RABBITMQ_DEFAULT_USER: "rabbitmq"
+      RABBITMQ_DEFAULT_PASS: "rabbitmq"
+      RABBITMQ_DEFAULT_VHOST: "/"
+    ports:
+        - "127.0.0.1:15672:15672"
+        - "127.0.0.1:5672:5672"
+
+volumes:
+  input-ktor-data:
+  ktor-data:

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-6.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,183 @@
+#!/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 "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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 +1,100 @@
+@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 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 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

settings.gradle.kts

@@ -0,0 +1,2 @@
+rootProject.name = "messagequeue-glue"
+

src/main/kotlin/Application.kt

@@ -0,0 +1,6 @@
+import worker.Glue
+
+fun main(args: Array<String>) {
+    val glue = Glue()
+    glue.recieve()
+}

src/main/kotlin/model/OutputModel.kt

@@ -0,0 +1,8 @@
+package model
+
+import com.google.gson.annotations.SerializedName
+
+data class OutputModel (
+    @SerializedName("tag") val tag: String,
+    @SerializedName("probability") val probability: Double
+)

src/main/kotlin/worker/Glue.kt

@@ -0,0 +1,54 @@
+package worker
+
+import com.google.gson.Gson
+import com.rabbitmq.client.BuiltinExchangeType
+import com.rabbitmq.client.ConnectionFactory
+import model.OutputModel
+import com.viartemev.thewhiterabbit.channel.channel
+import com.viartemev.thewhiterabbit.channel.consume
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlin.random.Random
+
+class Glue {
+    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 mqInputExchange: String = System.getenv("MQ_IN_EXCHANGE") ?: "input"
+    var mqOutputExchange: String = System.getenv("MQ_OUT_EXCHANGE") ?: "output"
+    val gson = Gson()
+    fun recieve(){
+        val factory = ConnectionFactory()
+        factory.host = mqHost
+        factory.username = mqUserName
+        factory.password = mqPassWord
+
+        val inputConnection = factory.newConnection()
+        val inputChannel = inputConnection.createChannel()
+
+        inputChannel.exchangeDeclare(mqInputExchange, BuiltinExchangeType.FANOUT)
+        val inputQueueName = inputChannel.queueDeclare().queue
+        inputChannel.queueBind(inputQueueName, mqInputExchange, "")
+
+        val outputConnection = factory.newConnection()
+        val outputChannel = outputConnection.createChannel()
+
+        outputChannel.exchangeDeclare(mqOutputExchange, BuiltinExchangeType.FANOUT)
+        val outputQueueName = outputChannel.queueDeclare().queue
+        outputChannel.queueBind(outputQueueName, mqOutputExchange, "")
+
+        GlobalScope.launch(Dispatchers.Default) {
+            inputConnection.channel {
+                consume(inputQueueName) {
+                    consumeMessageWithConfirm({
+                        val rawJson = String(it.body)
+                        val probability = Random.nextDouble(0.0,1.0)
+                        val outputObject = OutputModel(tag=rawJson, probability=probability)
+                        outputChannel.basicPublish("",outputQueueName, null, gson.toJson(outputObject).toByteArray())
+                    })
+                }
+            }
+        }
+    }
+}

test.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+import requests
+import os.path
+import json
+
+URL = "http://127.0.0.1:8080/sample"
+
+FILE = 'CommonStarling_102761_45.wav'
+
+files = {
+	"file": (os.path.basename(FILE), open(FILE,'rb').read(), 'audio/wave', {'Content-length' : os.path.getsize(FILE)}),
+	"description" : (None, json.dumps({"device_id" : "123"}), "application/json")
+}
+
+r = requests.post(URL,files=files)
+print("Content: ", r.content)
+print("Headers:", r.headers)
+r.raise_for_status()