[WIFI-10088] Research and install solution to keep coredumps for debugging purposes (#215)

* Add IAM user and bucket for core-dump-handler

Signed-off-by: Johann Hoffmann <johann.hoffmann@mailbox.org>

* Fix Terraform format

Signed-off-by: Johann Hoffmann <johann.hoffmann@mailbox.org>

* Add core-dumps-s3 to Atlantis

Signed-off-by: Johann Hoffmann <johann.hoffmann@mailbox.org>

* Remove outputs.tf and switch to separate S3 ACL resource

Signed-off-by: Johann Hoffmann <johann.hoffmann@mailbox.org>

* Fix Terraform state key name

Signed-off-by: Johann Hoffmann <johann.hoffmann@mailbox.org>

* Add core-dump-handler to helmfile

Signed-off-by: Johann Hoffmann <johann.hoffmann@mailbox.org>

* Commit helmfile.lock

Signed-off-by: Johann Hoffmann <johann.hoffmann@mailbox.org>

* Enable helmfile deployment of core-dump-handler

Signed-off-by: Johann Hoffmann <johann.hoffmann@mailbox.org>

terraform/wifi-289708231103/core-dumps-s3/main.tf

@@ -0,0 +1,59 @@
+provider "aws" {
+  region = var.aws_region
+}
+
+terraform {
+  required_version = ">= 1.0.0, < 2.0.0"
+
+  backend "s3" {
+    region         = "us-east-1"
+    bucket         = "tip-wifi-tfstate"
+    key            = "core-dumps-s3"
+    dynamodb_table = "terraform-state-lock"
+    encrypt        = true
+  }
+}
+
+locals {
+  common_tags = {
+    "ManagedBy" = "terraform"
+  }
+}
+
+resource "aws_s3_bucket" "openwifi-core-dumps" {
+  bucket = "openwifi-core-dumps"
+  tags   = local.common_tags
+}
+
+resource "aws_s3_bucket_acl" "openwifi-core-dumps" {
+  bucket = aws_s3_bucket.openwifi-core-dumps.id
+  acl    = "private"
+}
+
+resource "aws_iam_user" "openwifi-core-dump-handler" {
+  name = "openwifi-core-dump-handler"
+  tags = local.common_tags
+}
+
+resource "aws_iam_access_key" "openwifi-core-dump-handler" {
+  user = aws_iam_user.openwifi-core-dump-handler.name
+}
+
+resource "aws_iam_user_policy" "openwifi-core-dump-handler" {
+  name = "openwifi-core-dump-handler"
+  user = aws_iam_user.openwifi-core-dump-handler.name
+
+  policy = jsonencode({
+    "Version" : "2012-10-17",
+    "Statement" : [
+      {
+        "Effect" : "Allow",
+        "Action" : "s3:*",
+        "Resource" : [
+          aws_s3_bucket.openwifi-core-dumps.arn,
+          "${aws_s3_bucket.openwifi-core-dumps.arn}/*"
+        ]
+      }
+    ]
+  })
+}

terraform/wifi-289708231103/core-dumps-s3/terraform.tfvars

@@ -0,0 +1 @@
+aws_region = "us-east-1"

terraform/wifi-289708231103/core-dumps-s3/variables.tf

@@ -0,0 +1,4 @@
+variable "aws_region" {
+  description = "AWS region"
+  type        = string
+}