(DMVP-1164) Add weave-scope module (#8)

Co-authored-by: Vahagn Martirosyan <[email protected]>

.gitignore

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+# Local .terraform directories
+**/.terraform/*
+
+# .tfstate files
+*.tfstate
+*.tfstate.*
+*.lock.hcl
+
+
+**/.idea/*
+
+.idea/
+
+
+# Crash log files
+crash.log
+
+# Ignore any .tfvars files that are generated automatically for each Terraform run. Most
+# .tfvars files are managed as part of configuration and so should be included in
+# version control.
+#
+# example.tfvars
+
+# Ignore override files as they are usually used to override resources locally and so
+# are not checked in
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json
+
+# Include override files you do wish to add to version control using negated pattern
+#
+# !example_override.tf
+
+# Include tfplan files to ignore the plan output of command: terraform plan -out=tfplan
+# example: *tfplan*
+
+.DS_Store
+.tool-versions

modules/weave-scope/README.md

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+This module will enable `Weave-Scope` in EKS if `enable_weave_scope` is set to `true`
+## Usage
+```
+module "terraform-aws-eks" {
+  source = "../terraform-aws-eks"
+  availability_zones = ["eu-west-1a", "eu-west-1b", "eu-west-1c"]
+  cidr = "172.16.0.0/16"
+  cluster_name = "my-cluster-sso"
+  private_subnets = ["172.16.1.0/24", "172.16.2.0/24", "172.16.3.0/24"]
+  public_subnets = ["172.16.4.0/24", "172.16.5.0/24", "172.16.6.0/24"]
+  users = [{
+    username = "macos"
+  }]
+  vpc_name = "eks-vpc"
+  alb_log_bucket_name = "bucket-eks-miandevops-temporary"
+
+  enable_weave_scope = true
+}
+```
+<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
+## Requirements
+
+No requirements.
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| <a name="provider_null"></a> [null](#provider\_null) | n/a |
+
+## Modules
+
+No modules.
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [null_resource.kubectl-apply](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
+| [null_resource.kubectl-version](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
+
+## Inputs
+
+No inputs.
+
+## Outputs
+
+No outputs.
+<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->

modules/weave-scope/main.tf

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+resource "null_resource" "kubectl-version" {
+  provisioner "local-exec" {
+    command     = "kubectl version | base64 | tr -d '\n' > ./.terraform/kversion"
+    interpreter = ["/bin/bash", "-c"]
+  }
+}
+
+resource "null_resource" "kubectl-apply" {
+  depends_on = [null_resource.kubectl-version]
+  provisioner "local-exec" {
+    command     = "kubectl apply -f 'https://cloud.weave.works/k8s/scope.yaml?k8s-version=${file("./.terraform/kversion")}'"
+    interpreter = ["/bin/bash", "-c"]
+  }
+}