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bin
bin
 
 
routes
routes
 
 
views
views
 
 
.gitignore
.gitignore
 
 
app.js
app.js
 
 
package.json
package.json
 
 
readme.md
readme.md
 
 
spark
spark
 
 
spark.save
spark.save
 
 

readme.md

API for remote shell commands

1 Change the path of samza to system path

2 Remove password for sudo

sudo visudo

>/etc/sudoers file

# Allow members of group sudo to execute any command
%sudo   ALL=(ALL:ALL) ALL
add line >> mi6 ALL=(ALL:ALL) NOPASSWD: ALL
            --- 
            ^ change to user

3 Add privillege to shell files

> In exec_api_samza
sudo chmod 755 samza

> In hello-samza/bin/
sudo chmod 755 grid

4 Open ports in digitalocean droplet

sudo ufw allow 3000 //for node server
sudo ufw allow 8088 //for hadoop server

5 Start the server

npm start

or 

npm install forever -g
forever start ./bin/www

Using the api

//for starting the activity
http://localhost:3000/start_dfs

//for stopping the activity
http://localhost:3000/stop_dfs

//request system stats periodically
http://localhost:3000/stats_dfs