├── .gitignore
├── .travis.yml
├── LICENSE
├── README.md
├── client
├── client.js
├── css
│ └── styles.css
├── img
│ ├── donut-choc.jpg
│ ├── donut-cinn.jpg
│ ├── donut-glazed.png
│ ├── donut-jelly.jpg
│ ├── donut-old-fash.jpg
│ ├── donut-sprinkles.png
│ └── donuts.png
├── index.html
├── js
│ └── jquery-3.2.0.min.js
└── order.js
└── microdonuts
├── Makefile
├── config.properties
├── ls_tracer.properties
├── pom.xml
└── src
└── main
└── java
└── com
└── otsample
└── api
├── ApiContextHandler.java
├── App.java
├── KitchenConsumer.java
├── KitchenContextHandler.java
├── KitchenService.java
├── Utils.java
└── resources
├── Donut.java
├── DonutAddRequest.java
├── DonutRequest.java
├── Status.java
├── StatusReq.java
└── StatusRes.java
/.gitignore:
--------------------------------------------------------------------------------
1 | *.class
2 | *.log
3 |
4 | *.jar
5 | *.war
6 | *.ear
7 | *.zip
8 | *.tar.gz
9 | *.rar
10 | *.iml
11 |
12 | target/
13 | .idea
14 | pom.xml.tag
15 | pom.xml.releaseBackup
16 | pom.xml.versionsBackup
17 | pom.xml.next
18 | release.properties
19 | dependency-reduced-pom.xml
20 | buildNumber.properties
21 | .mvn/timing.properties
22 |
--------------------------------------------------------------------------------
/.travis.yml:
--------------------------------------------------------------------------------
1 | sudo: false
2 | dist: trusty
3 |
4 | cache:
5 | directories:
6 | - $HOME/.m2
7 |
8 | language: java
9 |
10 | jdk:
11 | - oraclejdk8
12 |
13 | addons:
14 | apt:
15 | packages:
16 | - oracle-java8-installer
17 |
18 | script:
19 | - cd microdonuts && make build
20 |
--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
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/README.md:
--------------------------------------------------------------------------------
1 | # MicroDonuts: An OpenTracing SpecialAgent Demo
2 |
3 | [](https://travis-ci.org/opentracing-contrib/java-specialagent-demo)
4 |
5 | Welcome to MicroDonuts! This is a [SpecialAgent](https://github.com/opentracing-contrib/java-specialagent)
6 | demo application, written in Java, based on the original [OpenTracing walkthrough](https://github.com/opentracing-contrib/java-opentracing-walkthrough).
7 |
8 | OpenTracing is a vendor-neutral, open standard for distributed tracing. To
9 | learn more, check out [opentracing.io](http://opentracing.io), and try the
10 | demo application below!
11 |
12 | ## Step 0: Setup MicroDonuts
13 |
14 | ### Getting it
15 | Clone this repository and build the jar file (for this, Maven must be
16 | installed):
17 |
18 | ```bash
19 | git clone git@github.com:opentracing-contrib/java-specialagent-demo.git
20 | cd java-specialagent-demo/microdonuts
21 | make
22 | ```
23 |
24 | ### Running
25 |
26 | MicroDonuts has two server components, `API` and `Kitchen`, which
27 | communicate each other over HTTP - they are, however, part of
28 | the same process:
29 |
30 | ```bash
31 | cd java-specialagent-demo/microdonuts
32 | make run-no-agent
33 | ```
34 |
35 | In your web broswer, navigate to http://127.0.0.1:10001 and order yourself some
36 | µ-donuts.
37 |
38 | ### Run with the SpecialAgent and a Tracer
39 |
40 | First, please download the latest [SpecialAgent JAR](https://repository.sonatype.org/service/local/artifact/maven/redirect?r=central-proxy&g=io.opentracing.contrib.specialagent&a=opentracing-specialagent&v=LATEST)
41 | and move it to the microdonuts directory:
42 |
43 | ```bash
44 | mv opentracing-specialagent-*.jar microdonuts/
45 | ```
46 |
47 | #### Jaeger
48 |
49 | To run Jaeger locally ([via Docker](https://www.jaegertracing.io/docs/latest/getting-started/#all-in-one)):
50 |
51 | ```bash
52 | $ docker run -d --name jaeger \
53 | -e COLLECTOR_ZIPKIN_HTTP_PORT=9411 \
54 | -p 5775:5775/udp \
55 | -p 6831:6831/udp \
56 | -p 6832:6832/udp \
57 | -p 5778:5778 \
58 | -p 16686:16686 \
59 | -p 14268:14268 \
60 | -p 14250:14250 \
61 | -p 9411:9411 \
62 | jaegertracing/all-in-one::latest
63 | ```
64 |
65 | To run MicroDonuts with Jaegger, configuration has to be specified through
66 | [environment variables](https://github.com/jaegertracing/jaeger-client-java/blob/master/jaeger-core/README.md):
67 |
68 | ```bash
69 | cd microdonuts
70 | make run-with-jaeger
71 | ```
72 |
73 | Note that the all-in-one docker image presents the Jaeger UI at [localhost:16686](http://localhost:16686/).
74 |
75 | #### LightStep
76 |
77 | If you have access to [LightStep](https://go.lightstep.com/tracing.html), you will need your access token. Add the following to `ls_tracer.properties`:
78 |
79 | ```properties
80 | ls.accessToken=XXXXXXXXXXXXXXX // TODO: replace with your token
81 | ```
82 |
83 | To run MicroDonuts with LightStep:
84 |
85 | ```bash
86 | cd microdonuts
87 | make run-with-lightstep
88 | ```
89 |
90 | ### Provide your own Tracer
91 |
92 | A provided jar containing any `TracerFactory` provider can be used to run MicroDonuts too:
93 |
94 | ```bash
95 | cd microdonuts
96 | env TRACER_JAR=MyOwnTracer.jar make run-with-tracer-jar
97 | ```
98 |
99 | Now that we're all hooked up, try ordering some donuts in the browser. You
100 | should see the traces appear in your tracer.
101 |
102 | Search for traces starting belonging to the `MicroDonuts` component to see the
103 | patterns of requests that occur when you click the order button.
104 |
105 | ## Thanks for playing, and welcome to OpenTracing!
106 |
107 | Thanks for joining us in this walkthrough! Hope you enjoyed it. If you did, let
108 | us know, and consider spreading the love!
109 |
110 | A great way to get the feel for OpenTracing is to try your hand at
111 | instrumenting the OSS servers, frameworks, and client libraries that we all
112 | share. If you make one, consider adding it to the growing ecosystem at
113 | http://github.com/opentracing-contrib. If you maintain a library yourself,
114 | plase consider adding built-in OT support.
115 |
116 | We also need walkthroughs for languages other than Golang. Feel free to reuse
117 | the client, protobufs, and other assets from here if you'd like to make one.
118 |
119 | For a more detailed explanation of OSS Instrumentation, check out the Turnkey
120 | Tracing proposal at http://bit.ly/turnkey-tracing.
121 |
122 | _Aloha!_
--------------------------------------------------------------------------------
/client/client.js:
--------------------------------------------------------------------------------
1 | $(function() {
2 | var order = new Order();
3 |
4 | $(".donut-btn").click(function(e){
5 | order.addDonut($(e.target).data("flavor"));
6 | render(order);
7 | });
8 |
9 | $("#order-btn").click(function(e){
10 | orderDonuts(order);
11 | });
12 | });
13 |
14 | function orderDonuts(order){
15 | order.activate()
16 | render(order)
17 | console.log("order")
18 | $.ajax('/order', {
19 | data: JSON.stringify({
20 | donuts: order.items(),
21 | }),
22 | method: 'POST',
23 | success: function(order_status) {
24 | console.log(order_status)
25 | order.setStatus(JSON.parse(order_status))
26 | render(order)
27 | pollStatus(order)
28 | },
29 | });
30 | }
31 |
32 | function pollStatus(order){
33 | if(!order.isActive()){
34 | return
35 | }
36 | setTimeout(function(){
37 | console.log("status");
38 | $.ajax('/status', {
39 | data: JSON.stringify({
40 | order_id: order.orderID(),
41 | }),
42 | method: 'POST',
43 | success: function(order_status) {
44 | console.log(order_status);
45 | order.setStatus(JSON.parse(order_status));
46 |
47 | if(!order.isDelivered()) {
48 | render(order);
49 | pollStatus(order);
50 | return
51 | }
52 |
53 | order.complete();
54 | render(order);
55 | },
56 | });
57 | },1000);
58 | }
59 |
60 | function render(order){
61 | renderCart(order);
62 | renderStatus(order);
63 | }
64 |
65 | function renderCart(order){
66 | if(!order.isOpen()){
67 | $("#shopping-cart").css("display","none");
68 | return;
69 | }
70 |
71 | var $items = $("#shopping-cart-items").empty();
72 | $.each(order.items(),function(i,item){
73 | $('')
74 | .html(item.flavor+": "+item.quantity)
75 | .appendTo($items)
76 | })
77 | $("#shopping-cart").css("display","inline-block")
78 | }
79 |
80 | function renderStatus(order){
81 | if(!order.isActive()){
82 | $("#order-status").css("display","none");
83 | return;
84 | }
85 | if(order.isOrdering()){
86 | $("#order-loading").css("display","inline-block");
87 | return
88 | }
89 |
90 | $("#order-loading").css("display","none");
91 | var status = order.status()
92 | $("#wait-time").html("Wait time: "+status.estimated_delivery_time+" seconds");
93 | $("#status-update").html("Status: "+status.state);
94 | $("#order-status").css("display","inline-block");
95 | }
96 |
--------------------------------------------------------------------------------
/client/css/styles.css:
--------------------------------------------------------------------------------
1 | html {
2 | background-image: url(/img/donuts.png);
3 | font-family: Impact, Charcoal, sans-serif;
4 | }
5 | h2{
6 | margin: 0;
7 | text-decoration: underline;
8 | }
9 | #title{
10 | text-align: center;
11 | }
12 | .btn{
13 | background: #ffffff;
14 | border-radius: 12px;
15 | border: 2px solid;
16 | border-color: #aaf;
17 | }
18 | .btn:hover{
19 | border-color: #faf;
20 | cursor: pointer;
21 | }
22 | .btn:active{
23 | border-color: #f89;
24 | }
25 | .box{
26 | display:inline-block;
27 | text-transform: capitalize;
28 | background: #ffffff;
29 | border-radius: 12px;
30 | border: 2px solid;
31 | border-color: #aaf;
32 | padding: 0.5em 1em;
33 | }
34 | #shopping-cart{
35 | display:none;
36 | }
37 | #order-status{
38 | display: none;
39 | }
40 | #order-loading{
41 | display: none;
42 | }
43 | #order-btn{
44 | display: inline-block;
45 | padding: 2px 6px;
46 | margin-top: 6px;
47 | float: right;
48 | }
49 |
50 | /* All the nonsense below is for the loading graphic */
51 | .bubblingG {
52 | text-align: center;
53 | width:78px;
54 | height:49px;
55 | margin: auto;
56 | }
57 | .bubblingG span {
58 | display: inline-block;
59 | vertical-align: middle;
60 | width: 10px;
61 | height: 10px;
62 | margin: 24px auto;
63 | background: rgb(0,0,0);
64 | border-radius: 49px;
65 | -o-border-radius: 49px;
66 | -ms-border-radius: 49px;
67 | -webkit-border-radius: 49px;
68 | -moz-border-radius: 49px;
69 | animation: bubblingG 1.5s infinite alternate;
70 | -o-animation: bubblingG 1.5s infinite alternate;
71 | -ms-animation: bubblingG 1.5s infinite alternate;
72 | -webkit-animation: bubblingG 1.5s infinite alternate;
73 | -moz-animation: bubblingG 1.5s infinite alternate;
74 | }
75 | #bubblingG_1 {
76 | animation-delay: 0s;
77 | -o-animation-delay: 0s;
78 | -ms-animation-delay: 0s;
79 | -webkit-animation-delay: 0s;
80 | -moz-animation-delay: 0s;
81 | }
82 | #bubblingG_2 {
83 | animation-delay: 0.45s;
84 | -o-animation-delay: 0.45s;
85 | -ms-animation-delay: 0.45s;
86 | -webkit-animation-delay: 0.45s;
87 | -moz-animation-delay: 0.45s;
88 | }
89 | #bubblingG_3 {
90 | animation-delay: 0.9s;
91 | -o-animation-delay: 0.9s;
92 | -ms-animation-delay: 0.9s;
93 | -webkit-animation-delay: 0.9s;
94 | -moz-animation-delay: 0.9s;
95 | }
96 | @keyframes bubblingG {
97 | 0% {
98 | width: 10px;
99 | height: 10px;
100 | background-color:rgb(0,0,0);
101 | transform: translateY(0);
102 | }
103 | 100% {
104 | width: 23px;
105 | height: 23px;
106 | background-color:rgb(255,255,255);
107 | transform: translateY(-20px);
108 | }
109 | }
110 | @-o-keyframes bubblingG {
111 | 0% {
112 | width: 10px;
113 | height: 10px;
114 | background-color:rgb(0,0,0);
115 | -o-transform: translateY(0);
116 | }
117 | 100% {
118 | width: 23px;
119 | height: 23px;
120 | background-color:rgb(255,255,255);
121 | -o-transform: translateY(-20px);
122 | }
123 | }
124 | @-ms-keyframes bubblingG {
125 | 0% {
126 | width: 10px;
127 | height: 10px;
128 | background-color:rgb(0,0,0);
129 | -ms-transform: translateY(0);
130 | }
131 | 100% {
132 | width: 23px;
133 | height: 23px;
134 | background-color:rgb(255,255,255);
135 | -ms-transform: translateY(-20px);
136 | }
137 | }
138 | @-webkit-keyframes bubblingG {
139 | 0% {
140 | width: 10px;
141 | height: 10px;
142 | background-color:rgb(0,0,0);
143 | -webkit-transform: translateY(0);
144 | }
145 | 100% {
146 | width: 23px;
147 | height: 23px;
148 | background-color:rgb(255,255,255);
149 | -webkit-transform: translateY(-20px);
150 | }
151 | }
152 | @-moz-keyframes bubblingG {
153 | 0% {
154 | width: 10px;
155 | height: 10px;
156 | background-color:rgb(0,0,0);
157 | -moz-transform: translateY(0);
158 | }
159 | 100% {
160 | width: 23px;
161 | height: 23px;
162 | background-color:rgb(255,255,255);
163 | -moz-transform: translateY(-20px);
164 | }
165 | }
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