feat: add rds resource

.gitignore

@@ -1,3 +1,4 @@
 .terraform
 .terraform.lock.hcl
 terraform.tfstate*
+terraform.tfvars

examples/rds/basic-mysql/eks.tf

@@ -0,0 +1,100 @@
+module "eks" {
+  source = "terraform-aws-modules/eks/aws"
+
+  cluster_name                   = var.name
+  cluster_version                = "1.28"
+  cluster_endpoint_public_access = true
+
+  cluster_addons = {
+    kube-proxy = {
+      most_recent = true
+    }
+    vpc-cni = {
+      most_recent = true
+    }
+    coredns = {
+      most_recent = true
+      configuration_values = jsonencode({
+        computeType = "Fargate"
+      })
+    }
+  }
+
+  vpc_id                   = module.vpc.vpc_id
+  subnet_ids               = module.vpc.private_subnets
+  control_plane_subnet_ids = module.vpc.intra_subnets
+
+  # Fargate profiles use the cluster primary security group so these are not utilized
+  create_cluster_security_group = false
+  create_node_security_group    = false
+
+  cluster_security_group_additional_rules = {
+    ingress_all = {
+      protocol  = "-1"
+      from_port = 0
+      to_port   = 6555
+      type      = "ingress"
+    }
+    egress_all = {
+      protocol  = "-1"
+      from_port = 0
+      to_port   = 6555
+      type      = "egress"
+    }
+  }
+
+  fargate_profile_defaults = {
+    iam_role_additional_policies = {
+      additional = aws_iam_policy.additional.arn
+    }
+  }
+
+  fargate_profiles = merge(
+    {
+      example = {
+        name = "example"
+        selectors = [
+          {
+            namespace = "*"
+          }
+        ]
+
+        # Using specific subnets instead of the subnets supplied for the cluster itself
+        subnet_ids = [module.vpc.private_subnets[1]]
+
+        tags = {
+          Owner = "secondary"
+        }
+
+        timeouts = {
+          create = "20m"
+          delete = "20m"
+        }
+      }
+    },
+    { for i in range(3) :
+      "kube-system-${element(split("-", local.azs[i]), 2)}" => {
+        selectors = [
+          { namespace = "kube-system" }
+        ]
+        # We want to create a profile per AZ for high availability
+        subnet_ids = [element(module.vpc.private_subnets, i)]
+      }
+    }
+  )
+}
+
+resource "aws_iam_policy" "additional" {
+  name = "${var.name}-additional"
+
+  policy = jsonencode({
+    Version = "2012-10-17"
+    Statement = [
+      {
+        "Effect" : "Allow"
+        "Action" : "*"
+        "Resource" : "*"
+      },
+    ]
+  })
+}

examples/rds/basic-mysql/humanitec.tf

@@ -0,0 +1,63 @@
+resource "humanitec_application" "app" {
+  id   = var.name
+  name = var.name
+}
+
+resource "humanitec_resource_definition" "cluster" {
+  id          = "${var.name}-aws-cluster"
+  name        = "${var.name}-aws-cluster"
+  type        = "k8s-cluster"
+  driver_type = "humanitec/k8s-cluster-eks"
+
+  driver_inputs = {
+    values_string = jsonencode({
+      "loadbalancer" = module.eks.cluster_endpoint
+      "name"         = module.eks.cluster_name
+      "region"       = var.region
+    })
+    secrets_string = jsonencode({
+      "credentials" = {
+        "aws_access_key_id" : var.access_key
+        "aws_secret_access_key" : var.secret_key
+      }
+    })
+  }
+}
+
+module "rds" {
+  source = "../../../humanitec-resource-defs/rds/basic"
+
+  prefix                 = "${var.name}-"
+  resource_packs_aws_rev = var.resource_packs_aws_rev
+  resource_packs_aws_url = var.resource_packs_aws_url
+
+  access_key = var.access_key
+  secret_key = var.secret_key
+  region     = var.region
+
+  name          = "${var.name}-database"
+  database_name = "my_database"
+  username      = "username"
+  password      = "password"
+
+  type           = "mysql"
+  engine         = "mysql"
+  engine_version = "8.0.35"
+  group_family   = "mysql8.0"
+
+  create_db_subnet_group = true
+  db_subnet_group_name   = "${var.name}-subnet-group"
+  subnet_ids             = module.vpc.private_subnets
+
+  vpc_security_group_ids = [module.vpc.default_security_group_id]
+}
+
+resource "humanitec_resource_definition_criteria" "cluster" {
+  resource_definition_id = humanitec_resource_definition.cluster.id
+  app_id                 = humanitec_application.app.id
+}
+
+resource "humanitec_resource_definition_criteria" "rds" {
+  resource_definition_id = module.rds.id
+  app_id                 = humanitec_application.app.id
+}

examples/rds/basic-mysql/providers.tf

@@ -0,0 +1,23 @@
+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+    humanitec = {
+      source = "humanitec/humanitec"
+    }
+  }
+}
+
+provider "aws" {
+  region     = var.region
+  access_key = var.access_key
+  secret_key = var.secret_key
+}
+
+provider "humanitec" {
+  host   = var.humanitec_host
+  org_id = var.humanitec_org_id
+  token  = var.humanitec_token
+}

examples/rds/basic-mysql/variables.tf

@@ -0,0 +1,40 @@
+variable "name" {
+  type = string
+}
+
+variable "access_key" {
+  type = string
+}
+
+variable "secret_key" {
+  type = string
+}
+
+variable "region" {
+  type = string
+}
+
+variable "humanitec_org_id" {
+  type = string
+}
+
+variable "humanitec_token" {
+  type = string
+}
+
+variable "resource_packs_aws_url" {
+  description = "AWS Resource Pack git url"
+  type        = string
+  default     = "https://github.com/humanitec-architecture/resource-packs-aws.git"
+}
+
+variable "resource_packs_aws_rev" {
+  description = "AWS Resource Pack git branch"
+  type        = string
+  default     = "refs/heads/main"
+}
+
+variable "humanitec_host" {
+  type    = string
+  default = "https://api.humanitec.io"
+}

examples/rds/basic-mysql/vpc.tf

@@ -0,0 +1,48 @@
+data "aws_availability_zones" "available" {}
+
+locals {
+  vpc_cidr = "10.0.0.0/16"
+  azs      = slice(data.aws_availability_zones.available.names, 0, 3)
+}
+
+module "vpc" {
+  source  = "terraform-aws-modules/vpc/aws"
+  version = "~> 4.0"
+
+  name = var.name
+  cidr = local.vpc_cidr
+
+  azs             = local.azs
+  private_subnets = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 4, k)]
+  public_subnets  = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 8, k + 48)]
+  intra_subnets   = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 8, k + 52)]
+
+  enable_nat_gateway = true
+  single_nat_gateway = true
+
+  default_security_group_egress = [
+    {
+      cidr_blocks = "0.0.0.0/0"
+      protocol    = "-1"
+      from_port   = 0
+      to_port     = 0
+    }
+  ]
+
+  default_security_group_ingress = [
+    {
+      cidr_blocks = "0.0.0.0/0"
+      protocol    = "-1"
+      from_port   = 0
+      to_port     = 0
+    }
+  ]
+
+  public_subnet_tags = {
+    "kubernetes.io/role/elb" = 1
+  }
+
+  private_subnet_tags = {
+    "kubernetes.io/role/internal-elb" = 1
+  }
+}

examples/rds/basic-postgres/.terraform.tfstate.lock.info

@@ -0,0 +1 @@
+{"ID":"2b66d09a-54b3-4bed-e6f4-00376d5a2d07","Operation":"OperationTypeApply","Info":"","Who":"[email protected]","Version":"1.6.0","Created":"2024-01-02T17:36:38.04171Z","Path":"terraform.tfstate"}

examples/rds/basic-postgres/eks.tf

@@ -0,0 +1,100 @@
+module "eks" {
+  source = "terraform-aws-modules/eks/aws"
+
+  cluster_name                   = var.name
+  cluster_version                = "1.28"
+  cluster_endpoint_public_access = true
+
+  cluster_addons = {
+    kube-proxy = {
+      most_recent = true
+    }
+    vpc-cni = {
+      most_recent = true
+    }
+    coredns = {
+      most_recent = true
+      configuration_values = jsonencode({
+        computeType = "Fargate"
+      })
+    }
+  }
+
+  vpc_id                   = module.vpc.vpc_id
+  subnet_ids               = module.vpc.private_subnets
+  control_plane_subnet_ids = module.vpc.intra_subnets
+
+  # Fargate profiles use the cluster primary security group so these are not utilized
+  create_cluster_security_group = false
+  create_node_security_group    = false
+
+  cluster_security_group_additional_rules = {
+    ingress_all = {
+      protocol  = "-1"
+      from_port = 0
+      to_port   = 6555
+      type      = "ingress"
+    }
+    egress_all = {
+      protocol  = "-1"
+      from_port = 0
+      to_port   = 6555
+      type      = "egress"
+    }
+  }
+
+  fargate_profile_defaults = {
+    iam_role_additional_policies = {
+      additional = aws_iam_policy.additional.arn
+    }
+  }
+
+  fargate_profiles = merge(
+    {
+      example = {
+        name = "example"
+        selectors = [
+          {
+            namespace = "*"
+          }
+        ]
+
+        # Using specific subnets instead of the subnets supplied for the cluster itself
+        subnet_ids = [module.vpc.private_subnets[1]]
+
+        tags = {
+          Owner = "secondary"
+        }
+
+        timeouts = {
+          create = "20m"
+          delete = "20m"
+        }
+      }
+    },
+    { for i in range(3) :
+      "kube-system-${element(split("-", local.azs[i]), 2)}" => {
+        selectors = [
+          { namespace = "kube-system" }
+        ]
+        # We want to create a profile per AZ for high availability
+        subnet_ids = [element(module.vpc.private_subnets, i)]
+      }
+    }
+  )
+}
+
+resource "aws_iam_policy" "additional" {
+  name = "${var.name}-additional"
+
+  policy = jsonencode({
+    Version = "2012-10-17"
+    Statement = [
+      {
+        "Effect" : "Allow"
+        "Action" : "*"
+        "Resource" : "*"
+      },
+    ]
+  })
+}