Upgrade terraform

[ajfisher]

Upgrade all of the infrastructure to use newer terraform options

To go to v0.12 need to do the following:

• Ensure application is initialised
• Ensure latest terraform is applied
• Upgrade the AWS provider to latest version for tf 0.11 v2.70 (v3+ after tf 0.12+)
• • Apply changes
• Run terraform 0.12checklist
• • Resolve any 0.12checklist items.
• • Apply terraform changes
• Switch to 0.12
• Run terraform init
• • resolve any issues
• run terraform 0.12upgrade
• • Resolve tf upgrade to dos
• terraform plan to see if there’s any changes and resolve back out to ensure no change.

Upgrade to v0.13 need to do the following:

• Ensure application is initialised
• Ensure latest terraform is applied
• Switch to 0.13
• Run terraform init
• • resolve any issues
• run terraform 0.13upgrade
• run terraform 0.13upgrade on submodule
• Fix upgrade issue with index changes on resource
• run terraform apply to update the state

Add version constraint to provider:

• -/aws: version = "~> 3.63.0"

Upgrade to v0.14 need to do the following:

• Ensure application is initialised
• Ensure latest terraform is applied
• Switch to 0.14
• Run terraform init
• • Resolve any issues
• Check in lockfile for versions
• Apply state change using terraform apply

Upgrade to v0.15 need to do the following:

• Ensure application is initialised
• Ensure latest terraform is applied
• Fix issues with provider inheritance

Upgrade to 1.0.9 need to do the following:

• Nothing explicit as v0.15 is continuation
• Update versions file to use 1.0.9 as base