docker container usability added

dispatch_daemon/execute.js

 const isolateBackend = require('./isolate')
 const fs = require('fs')
 const { spawn } = require('child_process');
+const registry_url = "10.129.6.5:5000/"
 
 function runIsolate(filename) {
     return new Promise((resolve, reject) => {
@@ -56,8 +57,25 @@ function runContainer(imageName) {
 
     return new Promise((resolve, reject) => {
         let timeStart = Date.now()
-        const process = spawn('docker', ["run", "--name", imageName, imageName]);
+
+        const process_checkImage = spawn('docker', ["inspect", registry_url + imageName])
+
+        process_checkImage.on('close', (code) => {
+            if (code != 0) {
+                const process_pullImage = spawn('docker', ["pull", registry_url + imageName]);
+
+                process_pullImage.stderr.on('data', (data) => {
+                    console.error(`stderr: ${data}`);
+                    reject(data);
+                });
+
+                process_pullImage.on('close', (code) => {
+                    if (code != 0)
+                        reject("error")
+                    else {
+                        const process = spawn('docker', ["run", "--name", imageName, registry_url + imageName]);
                         let result = "";
+                        timeStart = Date.now()
                         process.stdout.on('data', (data) => {
                             console.log(`stdout: ${data}`);
                             let timeDifference = Math.ceil((Date.now() - timeStart))
@@ -73,6 +91,58 @@ function runContainer(imageName) {
                         process.on('close', (code) => {
                             resolve(result);
                         })
+                    }
+                    
+                })
+            } else {
+                const process_checkContainer = spawn('docker', ['container', 'inspect', imageName]);
+                process_checkContainer.on('close', (code) => {
+                    if (code != 0) {
+                        const process = spawn('docker', ["run", "--name", imageName, registry_url + imageName]);
+                        let result = "";
+                        timeStart = Date.now()
+                        process.stdout.on('data', (data) => {
+                            console.log(`stdout: ${data}`);
+                            let timeDifference = Math.ceil((Date.now() - timeStart))
+                            console.log("container run time taken: ", timeDifference);
+                            result += data;
+                        });
+
+                        process.stderr.on('data', (data) => {
+                            console.error(`stderr: ${data}`);
+                            reject(data);
+                        });
+
+                        process.on('close', (code) => {
+                            resolve(result);
+                        })
+                    } else {
+                        const process = spawn('docker', ["start", "-a", imageName]);
+                        let result = "";
+                        timeStart = Date.now()
+                        process.stdout.on('data', (data) => {
+                            console.log(`stdout: ${data}`);
+                            let timeDifference = Math.ceil((Date.now() - timeStart))
+                            console.log("container run time taken: ", timeDifference);
+                            result += data;
+                        });
+
+                        process.stderr.on('data', (data) => {
+                            console.error(`stderr: ${data}`);
+                            reject(data);
+                        });
+
+                        process.on('close', (code) => {
+                            resolve(result);
+                        })
+                    }
+                })
+                
+            }
+            
+        })
+
+        
     })
 
 }

dispatcher/index.js

@@ -16,7 +16,7 @@ let db = new Map()
 app.use(morgan('combined'))
 app.use(bodyParser.urlencoded({ extended: false }))
 app.use(bodyParser.json())
-const file_path = __dirname + "/repository"
+const file_path = __dirname + "/repository/"
 
 app.use('/repository', express.static(file_path));
 app.use(fileUpload())
@@ -26,7 +26,7 @@ let requestQueue = []
 const node_id = "20sez54hq8"
 const WINDOW_SIZE = 10
 const port = 8080
-
+const registry_url = "10.129.6.5:5000/"
 
 app.post('/serverless/deploy', (req, res) => {
     
@@ -42,7 +42,7 @@ app.post('/serverless/deploy', (req, res) => {
         }
         else {
             if (runtime === "container") {
-                deployContainer('./repository/', functionHash)
+                deployContainer(file_path, functionHash)
                     .then(() => {
                         res.json({
                             status: "success",
@@ -85,7 +85,7 @@ function deployContainer(path, imageName) {
                 }
                 else {
                     console.log('Dockerfile created');
-                    const process = spawn('docker', ["build", "-t", imageName, path, "-q"]);
+                    const process = spawn('docker', ["build", "-t", registry_url + imageName, path]);
 
                     process.stdout.on('data', (data) => {
                         console.log(`stdout: ${data}`);
@@ -100,7 +100,22 @@ function deployContainer(path, imageName) {
                         console.log(`child process exited with code ${code}`);
                         let timeDifference = Math.ceil((Date.now() - buildStart))
                         console.log("image build time taken: ", timeDifference);
+                        const process_push = spawn('docker', ["push", registry_url + imageName]);
+
+                        process_push.stdout.on('data', (data) => {
+                            console.log(`stdout: ${data}`);
+
+                        });
+
+                        process_push.stderr.on('data', (data) => {
+                            console.error(`stderr: ${data}`);
+                        });
+
+                        process_push.on('close', (code) => {
+                            console.log("image pushed to repository");
                             resolve();
+                        })
+                        
                     });
                 }
             });