Instructions for Practice Project

These instructions assume familiarity with Git and GitHub. If you are not comfortable with those tools, please complete Udacity's How to Use Git and GitHub course before proceeding.

After installing the required tools, you will need to ensure that your computer can find the executables to run them. For this, you might need to modify the PATH environment variable. A good overview is at superuser.com. You may need to search the web for instructions on how to set the PATH variable for your specific operating system and version.

Setting up your local machine

Install VirtualBox
Install Vagrant
Install Packer
Fork this repo to your own account
Clone the forked repo to your local machine using this command: git clone http://github.com/<account-name>/devops-intro-project devops, replacing <account-name> with your GitHub username.

Part I: Building a box with Packer

From the packer-templates directory on your local machine:

Run packer build -only=virtualbox-iso application-server.json. You may see various timeouts and errors, as shown below. If you do, retry the command until the ISO download succeeds:

read: operation timed out
==> virtualbox-iso: ISO download failed.
Build 'virtualbox-iso' errored: ISO download failed.

checksums didn't match expected
==> virtualbox-iso: ISO download failed.
Build 'virtualbox-iso' errored: ISO download failed.

==> Some builds didn't complete successfully and had errors:
--> virtualbox-iso: ISO download failed.

Run cd virtualbox
Run vagrant box add ubuntu-14.04.4-server-amd64-appserver_virtualbox.box --name devops-appserver
Run vagrant up
Run vagrant ssh to connect to the server

Part II: Cloning, developing, and running the web application

On your local machine go to the root directory of the cloned repository
Run git clone https://github.com/chef/devops-kungfu.git devops-kungfu
Open http://localhost:8080 from your local machine to see the app running.
In the VM, run cd devops-kungfu
To install app specific node packages, run sudo npm install. You may see several errors; they can be ignored for now.
Now you can run tests with the command grunt -v. The tests will run, then quit with an error.

Troubleshooting

If you encounter errors with Ubuntu version numbers not being available or checksum errors on Ubuntu,it means that this repository has not yet been updated for the latest Ubuntu version. Feel free to mention this in the forum. Meanwhile, you can fix this error for yourself by editing the contents of the application-server.json and control-server.json template files inside the packer-templates folder.

Find the newest version number and checksum from the Ubuntu website for this release
Edit PACKER_BOX_NAME and iso_checksum in the template files to match that version number and checksum.

cedricremond/devops-intro-project

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