Terraform provider.aws: no suitable version installed

The new versions of Terraform do not contain all plugins after the application installation. When you try to access a provider the first time, Terraform may not be able to communicate with it. * provider.aws: no suitable version installed version requirements: “(any version)” versions installed: none To download the necessary plugins, initialize the Terraform script …

Failed to complete #create action: [undefined method `version’ for nil:NilClass] on …

When you execute kitchen converge to launch an EC2 instance in AWS with Chef Test Kitchen, you get the error message: >>>>> ——Exception——- >>>>>> Class: Kitchen::ActionFailed >>>>>> Message: 1 actions failed. >>>>>> Failed to complete #create action: [undefined method `version’ for nil:NilClass] on … >>>>>> ———————- >>>>>> Please see .kitchen/logs/kitchen.log for more details >>>>>> Also …

Could not load the ‘ec2’ driver from the load path

When you execute kitchen list and the driver in your .kitchen file is “ec2“, the following error message appears: >>>> ——Exception——- >>>>>> Class: Kitchen::ClientError >>>>>> Message: Could not load the ‘ec2’ driver from the load path. Please ensure that your driver is installed as a gem or included in your Gemfile if using Bundler. >>>>>> ———————- …

CloudExceptions::CloudException – 400: VPCIdNotSpecified: No default VPC for this user

When you launch a new EC2 instance in the AWS cloud from the command line or with other cloud management platforms, you may get the error message: CloudExceptions::CloudException – 400: VPCIdNotSpecified: No default VPC for this user (RequestID: …) This can happen when the specified Subnet Id is not a valid subnet in the selected …

Create the AWS credentials file from a Chef Data Bag

When a process on a server instance needs access to an AWS account, the user who will execute the AWS CLI commands needs to be able to automatically authenticate in AWS. For automatic AWS authentication, the AWS CLI creates two files in the .aws directory: config and credentials. The location of this directory depends on the …

Error waiting for instance (i-…) to become ready: unexpected state ‘terminated’, wanted target ‘running’

When you launch a server instance with Terraform, sometimes the error message does not contain the underlying cause. When the cloud provider cannot complete the request, many times Terraform displays a generic error message: Error waiting for instance (i-…) to become ready: unexpected state ‘terminated’, wanted target ‘running’ To find the root cause of the …

Find the AWS AMI that a RightScale server template is using

When you use RightScale to launch servers in the cloud, you want to use the same base image to test your Chef cookbooks in Test Kitchen. Packer by Hashicorp is a utility to create custom server images based on cloud images. You supply the image ID and other configuration parameters to create a new custom image. …

Migrate databases to and from AWS RDS instances

Amazon Web Services do not provide tools to migrate data to, from and between AWS RDS instances. There is a free utility that can do the job. SQL Server Management Studio (SSMS) Install Microsoft SQL Server Management Studio (SSMS), because the utility uses libraries from it. Download the installer for free from https://msdn.microsoft.com/en-us/library/mt238290.aspx SQL Azure Migration …

DevOps Engineering part 1. (Mac) – Install the DevOps development tools on Macintosh

Enable the right-click To be able the right-click on the mouse Open settings. Enable Secondary click for the mouse and the trackpad. Disable caps lock If you never write emails with all capital letters, and many times a day accidentally press the caps lock key, you can disable it. Open the Keyboard settings On the …

DevOps Engineering part 5. – Create an enterprise cookbook

In this exercise we will create a Chef cookbook for a corporation. It will be robust and include all the necessary elements to be used in a large enterprise. If your company already has established standards, as you progress with this tutorial, copy the appropriate file from an existing cookbook. If this is the first …