Ticket16 zuul proxy (mogikanen9#17)

* Docker with ubuntu16.04+statsd dependencies

* removed jdk, get statsd sources, build and install statsd

* fix docker file, add init config for statsd

* init setup

* init setup of api client page

* zulu proxy enabled, client calls proxy url

* hystrix dashboard added and enabled

* split project into proxy and service

docker-statsd/Dockerfile

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+# Download base image ubuntu18.04
+FROM ubuntu:16.04
+
+# Add Maintainer Info
+LABEL maintainer="mogikanensoftware@gmail.com"
+
+# Update Ubuntu Software repository
+RUN apt-get -y update
+
+RUN apt-get install -y curl && curl -sL https://deb.nodesource.com/setup_8.x | bash -
+
+# Install StatsD dependencied
+RUN apt-get install -y git nodejs
+
+# Checkout statsd sources
+RUN cd /tmp && git clone https://github.com/etsy/statsd.git
+
+COPY ./myConfig.js /tmp/statsd
+
+# Start statsd from sources
+ENTRYPOINT ["node","/tmp/statsd/stats.js","/tmp/statsd/myConfig.js"]

docker-statsd/myConfig.js

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+/*
+Graphite Required Variable:
+
+(Leave this unset to avoid sending stats to Graphite.
+ Set debug flag and leave this unset to run in 'dry' debug mode -
+ useful for testing statsd clients without a Graphite server.)
+
+  graphiteHost:     hostname or IP of Graphite server
+
+Optional Variables:
+
+  graphitePort:     port for the graphite text collector [default: 2003]
+  graphitePicklePort: port for the graphite pickle collector [default: 2004]
+  graphiteProtocol: either 'text' or 'pickle' [default: 'text']
+  backends:         an array of backends to load. Each backend must exist
+                    by name in the directory backends/. If not specified,
+                    the default graphite backend will be loaded. 
+                    * example for console and graphite:
+                    [ "./backends/console", "./backends/graphite" ]
+
+  servers:          an array of server configurations.
+                    If not specified, the server, address,
+                    address_ipv6, and port top-level configuration
+                    options are used to configure a single server for
+                    backwards-compatibility
+                    Each server configuration supports the following keys:
+    server:         the server to load. The server must exist by name in the directory
+                    servers/. If not specified, the default udp server will be loaded.
+                    * example for tcp server:
+                    "./servers/tcp"
+    address:        address to listen on [default: 0.0.0.0]
+    address_ipv6:   defines if the address is an IPv4 or IPv6 address [true or false, default: false]
+    port:           port to listen for messages on [default: 8125]
+    socket:         (only for tcp servers) path to unix domain socket which will be used to receive
+                    metrics [default: undefinded]
+    socket_mod:     (only for tcp servers) file mode which should be applied to unix domain socket, relevant
+                    only if socket option is used [default: undefined]
+
+  debug:            debug flag [default: false]
+  mgmt_address:     address to run the management TCP interface on
+                    [default: 0.0.0.0]
+  mgmt_port:        port to run the management TCP interface on [default: 8126]
+  title:            Allows for overriding the process title. [default: statsd]
+                    if set to false, will not override the process title and let the OS set it.
+                    The length of the title has to be less than or equal to the binary name + cli arguments
+                    NOTE: This does not work on Mac's with node versions prior to v0.10
+
+  healthStatus:     default health status to be returned and statsd process starts ['up' or 'down', default: 'up']
+  dumpMessages:     log all incoming messages
+  flushInterval:    interval (in ms) to flush metrics to each backend
+  percentThreshold: for time information, calculate the Nth percentile(s)
+                    (can be a single value or list of floating-point values)
+                    negative values mean to use "top" Nth percentile(s) values
+                    [%, default: 90]
+  flush_counts:     send stats_counts metrics [default: true]
+
+  keyFlush:         log the most frequently sent keys [object, default: undefined]
+    interval:       how often to log frequent keys [ms, default: 0]
+    percent:        percentage of frequent keys to log [%, default: 100]
+    log:            location of log file for frequent keys [default: STDOUT]
+  deleteIdleStats:  don't send values to graphite for inactive counters, sets, gauges, or timers
+                    as opposed to sending 0.  For gauges, this unsets the gauge (instead of sending
+                    the previous value). Can be individually overriden. [default: false]
+  deleteGauges:     don't send values to graphite for inactive gauges, as opposed to sending the previous value [default: false]
+  deleteTimers:     don't send values to graphite for inactive timers, as opposed to sending 0 [default: false]
+  deleteSets:       don't send values to graphite for inactive sets, as opposed to sending 0 [default: false]
+  deleteCounters:   don't send values to graphite for inactive counters, as opposed to sending 0 [default: false]
+  prefixStats:      prefix to use for the statsd statistics data for this running instance of statsd [default: statsd]
+                    applies to both legacy and new namespacing
+  keyNameSanitize:  sanitize all stat names on ingress [default: true]
+                    If disabled, it is up to the backends to sanitize keynames
+                    as appropriate per their storage requirements.
+
+  console:
+    prettyprint:    whether to prettyprint the console backend
+                    output [true or false, default: true]
+
+  log:              log settings [object, default: undefined]
+    backend:        where to log: stdout or syslog [string, default: stdout]
+    application:    name of the application for syslog [string, default: statsd]
+    level:          log level for [node-]syslog [string, default: LOG_INFO]
+
+  graphite:
+    legacyNamespace:  use the legacy namespace [default: true]
+    globalPrefix:     global prefix to use for sending stats to graphite [default: "stats"]
+    prefixCounter:    graphite prefix for counter metrics [default: "counters"]
+    prefixTimer:      graphite prefix for timer metrics [default: "timers"]
+    prefixGauge:      graphite prefix for gauge metrics [default: "gauges"]
+    prefixSet:        graphite prefix for set metrics [default: "sets"]
+    globalSuffix:     global suffix to use for sending stats to graphite [default: ""]
+                      This is particularly useful for sending per host stats by
+                      settings this value to: require('os').hostname().split('.')[0]
+
+  repeater:         an array of hashes of the for host: and port:
+                    that details other statsd servers to which the received
+                    packets should be "repeated" (duplicated to).
+                    e.g. [ { host: '10.10.10.10', port: 8125 },
+                           { host: 'observer', port: 88125 } ]
+
+  repeaterProtocol: whether to use udp4, udp6, or tcp for repeaters.
+                    ["udp4," "udp6", or "tcp" default: "udp4"]
+
+  histogram:        for timers, an array of mappings of strings (to match metrics) and
+                    corresponding ordered non-inclusive upper limits of bins.
+                    For all matching metrics, histograms are maintained over
+                    time by writing the frequencies for all bins.
+                    'inf' means infinity. A lower limit of 0 is assumed.
+                    default: [], meaning no histograms for any timer.
+                    First match wins.  examples:
+                    * histogram to only track render durations, with unequal
+                      class intervals and catchall for outliers:
+                      [ { metric: 'render', bins: [ 0.01, 0.1, 1, 10, 'inf'] } ]
+                    * histogram for all timers except 'foo' related,
+                      equal class interval and catchall for outliers:
+                     [ { metric: 'foo', bins: [] },
+                       { metric: '', bins: [ 50, 100, 150, 200, 'inf'] } ]
+
+  automaticConfigReload: whether to watch the config file and reload it when it
+                         changes. The default is true. Set this to false to disable.
+*/
+{
+    graphitePort: 2003
+  , graphiteHost: "graphite.example.com"
+  , port: 8125
+  , backends: [ "./backends/graphite" ]
+  }
+

docker-statsd/run.cmd

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+docker run --name graphite -p 80:80 -p 8125:8125/udp -p 8126:8126 graphiteapp/graphite-statsd

rest-api-proxy/greetings-service/.gitignore

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+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+
+### VS Code ###
+.vscode/

rest-api-proxy/greetings-service/.mvn/wrapper/MavenWrapperDownloader.java

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+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you 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.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

rest-api-proxy/greetings-service/.mvn/wrapper/maven-wrapper.properties

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+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip