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Commit b1a0f94b authored by nilanjandaw's avatar nilanjandaw
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moving internal pub/sub to kafka 

initial move complete for internal pub/sub to Kafka - needs testing
parent e63226ee
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Showing with 124 additions and 57 deletions
dispatch_module/constants.json
View file @ b1a0f94b
......@@ -2,5 +2,5 @@
"mqtt_url": "10.129.6.5",
"registry_url" :"10.129.6.5:5000/",
"master_port": 8080,
"master_address": "10.129.6.5"
"master_address": "localhost"
}
\ No newline at end of file
dispatch_module/dispatch_daemon/config.json 0 → 100644
View file @ b1a0f94b
{
"id": "tpt8hqn7ok"
}
\ No newline at end of file
dispatch_module/dispatch_daemon/index.js
View file @ b1a0f94b
const mqtt = require('mqtt')
const constants = require(".././constants.json")
console.log(constants.mqtt_url);
const client = mqtt.connect('mqtt://' + constants.mqtt_url)
const node_id = require("./config.json").id
const libSupport = require('./lib')
const execute = require('./execute')
const fs = require('fs')
const node_id = libSupport.makeid(10)
const local_repository = __dirname + "/local_repository/"
const host_url = "http://" + constants.master_address + ":" + constants.master_port
client.on('connect', function () {
client.subscribe(node_id, function (err) {
if (!err) {
console.log("node listening to id", node_id);
}
})
})
client.on('message', function (topic, message) {
let kafka = require('kafka-node'),
Producer = kafka.Producer,
KeyedMessage = kafka.KeyedMessage,
client = new kafka.KafkaClient({
kafkaHost: '10.129.6.5:9092',
autoConnect: true
}),
producer = new Producer(client),
Consumer = kafka.Consumer,
consumer = new Consumer(client,
[
{ topic: node_id, partition: 0, offset: 0}
],
[
{ autoCommit: true }
])
consumer.on('message', function (message) {
console.log(message);
let topic = message.topic
message = message.value
message = JSON.parse(message)
if (topic !== 'heartbeat') {
let runtime = message.runtime
......@@ -34,30 +42,43 @@ client.on('message', function (topic, message) {
if (runtime === "isolate")
execute.runIsolate(local_repository + functionHash).then(result => {
client.publish("response", JSON.stringify({
status: "success",
result,
function_id
}))
producer.send([{
topic: "response",
messages: JSON.stringify({
status: "success",
result,
function_id})
}], () =>{})
})
else if (runtime === "process")
execute.runProcess(local_repository + functionHash).then(result => {
client.publish("response", JSON.stringify({
status: "success",
result,
function_id
}))
producer.send(
[{
topic: "response",
messages: JSON.stringify({
status: "success",
result,
function_id})
}], () =>{})
})
else if (runtime === "container")
execute.runContainer(functionHash).then(result => {
client.publish("response", JSON.stringify({
status: "success",
result,
function_id
}))
producer.send(
[{
topic: "response",
messages: JSON.stringify({
status: "success",
result,
function_id})
}], () =>{})
})
else {
client.publish("response", JSON.stringify({ status: "unknown runtime" }))
producer.send(
[{
topic: "response",
messages: JSON.stringify({ status: "unknown runtime" })
}], () =>{})
return
}
})
......@@ -65,30 +86,43 @@ client.on('message', function (topic, message) {
if (runtime === "isolate")
execute.runIsolate(local_repository + functionHash).then(result => {
client.publish("response", JSON.stringify({
status: "success",
result,
function_id
}))
producer.send(
[{
topic: "response",
messages: JSON.stringify({
status: "success",
result,
function_id})
}], () =>{})
})
else if (runtime === "process")
execute.runProcess(local_repository + functionHash).then(result => {
client.publish("response", JSON.stringify({
status: "success",
result,
function_id
}))
producer.send(
[{
topic: "response",
messages: JSON.stringify({
status: "success",
result,
function_id})
}], () =>{})
})
else if (runtime === "container")
execute.runContainer(functionHash).then(result => {
client.publish("response", JSON.stringify({
status: "success",
result,
function_id
}))
producer.send(
[{
topic: "response",
messages: JSON.stringify({
status: "success",
result,
function_id})
}], () =>{})
})
else {
client.publish("response", JSON.stringify({ status: "unknown runtime" }))
producer.send(
[{
topic: "response",
messages: JSON.stringify({ status: "unknown runtime" })
}], () =>{})
return
}
}
......@@ -99,7 +133,13 @@ client.on('message', function (topic, message) {
})
function heartbeat() {
client.publish("heartbeat", JSON.stringify({"address": node_id}))
let payload = [{
topic: "heartbeat",
messages: JSON.stringify({"address": node_id})
}]
producer.send(payload, function() {
})
}
setInterval(heartbeat, 1000);
\ No newline at end of file
dispatch_module/dispatch_daemon/package.json
View file @ b1a0f94b
......@@ -14,6 +14,7 @@
"express": "^4.17.1",
"express-fileupload": "^1.1.6",
"isolated-vm": "^3.0.0",
"kafka-node": "^5.0.0",
"morgan": "^1.9.1",
"mqtt": "^3.0.0",
"redis": "^2.8.0"
......
dispatch_module/dispatcher/index.js
View file @ b1a0f94b
......@@ -26,8 +26,7 @@ let kafka = require('kafka-node'),
{ topic: 'response', partition: 0, offset: 0}, { topic: 'heartbeat' }
],
[
{ autoCommit: false },
{ fromOffset: true}
{ autoCommit: true }
])
let db = new Map()
......@@ -161,11 +160,16 @@ function dispatch() {
let function_id = libSupport.makeid(20)
console.log("Dispatching function with Id", function_id, runtime);
let node_id = getAddress()
client.publish(node_id, JSON.stringify({
"type": "execute",
function_id,
runtime, functionHash
}))
let payload = [{
topic: node_id,
messages: JSON.stringify({
"type": "execute",
function_id,
runtime, functionHash
}),
partition: 0
}]
producer.send(payload, () => {})
db.set(function_id, res)
}
......@@ -204,7 +208,25 @@ app.listen(port, () => console.log(`Server listening on port ${port}!`))
// })
consumer.on('message', function (message) {
console.log(message);
// console.log(message);
let topic = message.topic
message = message.value
if (topic === "response") {
message = JSON.parse(message)
console.log(message);
let res = db.get(message.function_id)
res.json({
"status": "success",
"reply": message.result
})
db.delete(message.function_id)
} else if (topic === "heartbeat") {
message = JSON.parse(message)
if (workerNodes.indexOf(message.address) === -1) {
workerNodes.push(message.address)
console.log(workerNodes);
}
}
});
setInterval(dispatch, 1000);
setInterval(dispatch, 2000);
dispatch_module/dispatcher/package.json
View file @ b1a0f94b
......@@ -14,6 +14,7 @@
"express": "^4.17.1",
"express-fileupload": "^1.1.6",
"isolated-vm": "^3.0.0",
"kafka-node": "^5.0.0",
"morgan": "^1.9.1",
"mqtt": "^3.0.0",
"nano": "^8.1.0",
......
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