Terraform = Terraform Core + Terraform Plugins Terraform Cores ● Entrypoint for Terraform ● Resource state management ● Communicate with Terraform Plugins Terraform Plugins ● Executable binary called by Terraform Core ● Exposes an implementation for a specific services(GCP, AWS, local host, etc)
Terraform Plugins = Terraform Providers + Terraform Provisioners Terraform Providers ● Access external service APIs and CRUD resources ● Managed Terraform State Terraform Provisioners ● Run model specific actions for preparing the resources
Spinnaker Spinnaker is an open source, multi-cloud continuous delivery platform Service Team Spinnaker Application Trigger Deploy How to manage Spinnaker Applications?
Terraform Providers Take away To Terraform manage resources… 1. Check if there are built-in providers 2. Check if Hashicorp distributes the provider 3. Check custom provider in the community, GitHub, etc 4. Develop by yourself! Ideally, there are no limits what you can manage!
Terraform Providers Take away But… ● Built-in provider: It’s built-in ● Hashicorp distributed provider: Terraform will download on terraform init ● Custom Provider: You need to manually download to your environment
Spinnaker Spinnaker is an open source, multi-cloud continuous delivery platform New Spinnaker Application Create Old Spinnaker Application How to delete old application? Delete
Terraform Provisioners List of provisioners ● Chef ● File ● habitat ● puppet ● remote-exec ● salt-masterless ● local-exec: Run any script on resource create or delete. See details Provisioners(https://www.terraform.io/docs/provisioners/index.html)
Terraform Provisioners Take away There are many actions provided by Terraform Provisioners. Ideally, you can run any operation by local-exec provisioner. Very useful for many use cases.
Terraform Provisioners Take away There are many actions provided by Terraform Provisioners. Ideally, you can run any operation by local-exec provisioner. Very useful for many use cases. No custom provisioners!
Manage Spinnaker Application by Terraform Plugins Managed Spinnaker application by custom Providers By developing custom Terraform Providers, you can ideally manage any resource. Start building one!
Manage Spinnaker Application by Terraform Plugins Managed Spinnaker application by custom Providers By developing custom Terraform Providers, you can ideally manage any resource. Start building one! Provisions are done by local-exec Provisioners Terraform is mainly used as provisioning tool but can be also used as configuration management tool.
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