medium_subnets.tf

########################################################################################
#                                                                                      # 
#      Create a new subnet in az-1a and associate it with the az-1a route table        #
#                                                                                      # 
########################################################################################
resource "aws_subnet" "extra_az_1a" {
  vpc_id            = var.eks_vpc_id
  cidr_block        = "100.64.0.0/19"
  availability_zone = "eu-west-1a"

  depends_on = [
    aws_vpc_ipv4_cidr_block_association.secondary_cidr
  ]
}

resource "aws_route_table_association" "a" {
  subnet_id      = aws_subnet.extra_az_1a.id
  route_table_id = var.az_1a_route_table_id
}

########################################################################################
#                                                                                      # 
#      Create a new subnet in az-1b and associate it with the az-1b route table        #
#                                                                                      # 
########################################################################################

resource "aws_subnet" "extra_az_1b" {
  vpc_id            = var.eks_vpc_id
  cidr_block        = "100.64.32.0/19"
  availability_zone = "eu-west-1b"

  depends_on = [
    aws_vpc_ipv4_cidr_block_association.secondary_cidr
  ]
}

resource "aws_route_table_association" "b" {
  subnet_id      = aws_subnet.extra_az_1b.id
  route_table_id = var.az_1b_route_table_id
}

########################################################################################
#                                                                                      # 
#      Create a new subnet in az-1c and associate it with the az-1c route table        #
#                                                                                      # 
########################################################################################


resource "aws_subnet" "extra_az_1c" {
  vpc_id            = var.eks_vpc_id
  cidr_block        = "100.64.64.0/19"
  availability_zone = "eu-west-1c"


  depends_on = [
    aws_vpc_ipv4_cidr_block_association.secondary_cidr
  ]
}

resource "aws_route_table_association" "c" {
  subnet_id      = aws_subnet.extra_az_1c.id
  route_table_id = var.az_1c_route_table_id
}