• Expose Pod information using an volume

  2 min read

  
  

  We can choose to expose some of the Pod's information as volumes or environment variables using DownwardAPIVolumeFile. It can expose both Pod fields and Container fields

  05/01/2022

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• Expose Pod information using an environment variable

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  Some applications might need to retrieve (or at least know) some of the Pod's metadata, for example, it's namespace. We can push this information using fieldPath without having to grant access to the Kubernetes API or using any template engine (such as Helm) to set it's value (at the end of the day it would be hardcoding the value on the Pod's definition)

  04/01/2022

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• How to set a variable on terraform using environment variables

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  To set a value for a variable on terraform we have several ways of doing it:

  • Using the -var command line option.
  • In variable definitions (.tfvars) files. The files named terraform.tfvars, terraform.tfvars.json or any files with names ending in .auto.tfvars or .auto.tfvars.json will be loaded automatically, but they can also be loaded using the -var-file option.
  • As environment variables.

  03/01/2022

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