provider/azurerm: Add example of Spark and Cassrandra on CentOS

[anniehedgpeth]

This example provisions and deploys the following resources into an Azure subscription:

• Resource Group
• 3 NSGs (Master, Slave/Agent, Cassandra)
• 1 VNET
• 3 Subnets (Master, Slave/Agent, Cassandra)
• 3 PIPs (Master, Slave/Agent, Cassandra)
• 3 NICs (Master, Slave/Agent, Cassandra)
• 1 Availability Set
• 3 Storage Accounts (Master, Slave/Agent, Cassandra)
• 3 Storage Containers (Master, Slave/Agent, Cassandra)
• 1 Master VM
• Slave/Agent VMs based on count variable
• 1 Cassandra VM

The preferred method of running the scripts is the VM Extension, but there is currently an issue submitted for this that is preventing me from using that resource. https://github.com/Azure/custom-script-extension-linux/issues/95

CI process:

terraform get, validate, plan to output, apply output, show
validate with azure CLI
terraform destroy

[stack72]

let 1 comment inline about the .travis file - also, please can you remove the image of the graph? github is not good at diffing those files going forward

Thanks

Paul

[stack72]

please can you revert the line endings change on this file?

[anniehedgpeth]

I believe this is changed back to original, @stack72 - let me know if it's still different

[anniehedgpeth]

@stack72 I added the return line on 45 of the .travis.yml and removed the crazy graph. Let me know how it looks!

[stack72]

Hi @anniehedgpeth

Thanks for update this - this LGTM

Paul

[ghost]

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