feat: initial commit

.gitignore

@@ -0,0 +1,3 @@
+.terraform*
+.tfvars
+terraform.tfstate*

Taskfile.yml

@@ -0,0 +1,32 @@
+version: '3'
+
+tasks:
+  install:
+    dir: scripts/dependencies
+    cmds:
+      - chmod +x terraform.sh && ./terraform.sh
+    silent: true
+  plan:
+    dir: terraform
+    cmds:
+      - terraform plan -var-file=".tfvars"
+    silent: true
+  apply:
+    dir: terraform
+    cmds:
+      - terraform apply -var-file=".tfvars"
+    silent: true
+  destroy:
+    dir: terraform
+    cmds:
+      - terraform destroy -var-file=".tfvars"
+    silent: true
+  init:
+    dir: terraform
+    cmds:
+      - terraform init
+    silent: true
+  run:
+    cmds:
+      - go run .
+    silent: true

go.mod

@@ -0,0 +1,25 @@
+module github.com/utibeabasi6/ebs-playground
+
+go 1.21.5
+
+require (
+	github.com/andybalholm/brotli v1.0.5 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/gofiber/fiber/v2 v2.52.1 // indirect
+	github.com/gofiber/template v1.8.3 // indirect
+	github.com/gofiber/template/html/v2 v2.1.1 // indirect
+	github.com/gofiber/utils v1.1.0 // indirect
+	github.com/google/uuid v1.5.0 // indirect
+	github.com/klauspost/compress v1.17.0 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.51.0 // indirect
+	github.com/valyala/tcplisten v1.0.0 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+)

go.sum

@@ -0,0 +1,42 @@
+github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
+github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
+github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
+github.com/gofiber/fiber/v2 v2.52.1 h1:1RoU2NS+b98o1L77sdl5mboGPiW+0Ypsi5oLmcYlgHI=
+github.com/gofiber/fiber/v2 v2.52.1/go.mod h1:KEOE+cXMhXG0zHc9d8+E38hoX+ZN7bhOtgeF2oT6jrQ=
+github.com/gofiber/template v1.8.3 h1:hzHdvMwMo/T2kouz2pPCA0zGiLCeMnoGsQZBTSYgZxc=
+github.com/gofiber/template v1.8.3/go.mod h1:bs/2n0pSNPOkRa5VJ8zTIvedcI/lEYxzV3+YPXdBvq8=
+github.com/gofiber/template/html/v2 v2.1.1 h1:QEy3O3EBkvwDthy5bXVGUseOyO6ldJoiDxlF4+MJiV8=
+github.com/gofiber/template/html/v2 v2.1.1/go.mod h1:2G0GHHOUx70C1LDncoBpe4T6maQbNa4x1CVNFW0wju0=
+github.com/gofiber/utils v1.1.0 h1:vdEBpn7AzIUJRhe+CiTOJdUcTg4Q9RK+pEa0KPbLdrM=
+github.com/gofiber/utils v1.1.0/go.mod h1:poZpsnhBykfnY1Mc0KeEa6mSHrS3dV0+oBWyeQmb2e0=
+github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
+github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/klauspost/compress v1.17.0 h1:Rnbp4K9EjcDuVuHtd0dgA4qNuv9yKDYKK1ulpJwgrqM=
+github.com/klauspost/compress v1.17.0/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
+github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/shirou/gopsutil v3.21.11+incompatible h1:+1+c1VGhc88SSonWP6foOcLhvnKlUeu/erjjvaPEYiI=
+github.com/shirou/gopsutil v3.21.11+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
+github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/valyala/fasthttp v1.51.0 h1:8b30A5JlZ6C7AS81RsWjYMQmrZG6feChmgAolCl1SqA=
+github.com/valyala/fasthttp v1.51.0/go.mod h1:oI2XroL+lI7vdXyYoQk03bXBThfFl2cVdIA3Xl7cH8g=
+github.com/valyala/tcplisten v1.0.0 h1:rBHj/Xf+E1tRGZyWIWwJDiRY0zc1Js+CV5DqwacVSA8=
+github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7FwZEA7Ioqkc=
+github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
+github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
+golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
+golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

main.go

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+package main
+
+import (
+	"fmt"
+	"log"
+
+	human "github.com/dustin/go-humanize"
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/template/html/v2"
+	"github.com/shirou/gopsutil/disk"
+)
+
+func fetchDiskSpace() {
+	formatter := "%-14s %7s %7s %7s %4s %s\n"
+	fmt.Printf(formatter, "Filesystem", "Size", "Used", "Avail", "Use%", "Mounted on")
+
+	parts, _ := disk.Partitions(false)
+	for _, p := range parts {
+		device := p.Mountpoint
+		s, _ := disk.Usage(device)
+
+		if s.Total == 0 {
+			continue
+		}
+
+		percent := fmt.Sprintf("%2.f%%", s.UsedPercent)
+
+		fmt.Printf(formatter,
+			s.Fstype,
+			human.Bytes(s.Total),
+			human.Bytes(s.Used),
+			human.Bytes(s.Free),
+			percent,
+			p.Mountpoint,
+		)
+	}
+
+}
+
+func main() {
+	engine := html.New("./templates", ".html")
+	app := fiber.New(fiber.Config{
+		Views: engine,
+	})
+
+	app.Get("/", func(c *fiber.Ctx) error {
+		fetchDiskSpace()
+
+		// Render index template
+		return c.Render("index", fiber.Map{
+			"Title": "Hello, World!",
+		})
+	})
+
+	log.Println("Starting server on port 3000")
+	log.Fatal(app.Listen(":3000"))
+}

scripts/bootstrap.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Create the volume group
+vgcreate ebs-pg-vg /dev/xvdf /dev/xvdg /dev/xvdh
+
+# Create logical volumes
+sudo lvcreate -l 50%FREE -n lv1  ebs-pg-vg
+sudo lvcreate -l 100%FREE -n lv2  ebs-pg-vg
+
+# Create filesystems on logical volumes
+sudo mkfs.ext4  /dev/ebs-pg-vg/lv1
+sudo mkfs.ext4  /dev/ebs-pg-vg/lv2
+
+# Create mount directory
+mkdir -p /home/ubuntu/mounts/lv1
+mkdir -p /home/ubuntu/mounts/lv2
+
+# Mount filesystems
+sudo su -c "echo '$(sudo blkid /dev/ebs-pg-vg/lv1 | awk '{print $2}') /home/ubuntu/mounts/lv1 ext4 defaults 0 0' >> /etc/fstab"
+sudo su -c "echo '$(sudo blkid /dev/ebs-pg-vg/lv2 | awk '{print $2}') /home/ubuntu/mounts/lv2 ext4 defaults 0 0' >> /etc/fstab"
+sudo mount -a

scripts/dependencies/terraform.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Install terraform
+sudo apt-get update && sudo apt-get install -y gnupg software-properties-common
+wget -O- https://apt.releases.hashicorp.com/gpg | \
+gpg --dearmor | \
+sudo tee /usr/share/keyrings/hashicorp-archive-keyring.gpg > /dev/null
+gpg --no-default-keyring \
+--keyring /usr/share/keyrings/hashicorp-archive-keyring.gpg \
+--fingerprint
+echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] \
+https://apt.releases.hashicorp.com $(lsb_release -cs) main" | \
+sudo tee /etc/apt/sources.list.d/hashicorp.list
+sudo apt update
+sudo apt-get install terraform

templates/index.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>EBS Playground</title>
+</head>
+<body>
+    <h1>Hello World</h1>
+</body>
+</html>

terraform/main.tf

@@ -0,0 +1,67 @@
+locals {
+  device_letter_list = ["f", "g", "h"]
+}
+
+data "aws_vpc" "main" {
+    default = true
+    }
+
+resource "aws_key_pair" "main" {
+  key_name   = var.instance_name
+  public_key = var.instance_public_key
+}
+
+resource "aws_instance" "main" {
+  ami           = var.instance_ami
+  instance_type = var.instance_type
+  availability_zone = var.ebs_availability_zone
+  key_name = aws_key_pair.main.key_name
+  security_groups = [ aws_security_group.main.name ]
+  user_data_base64 = filebase64("../scripts/bootstrap.sh")
+
+  tags = {
+    Name = var.instance_name
+  }
+}
+
+resource "aws_ebs_volume" "main" {
+  count = var.ebs_volume_count
+  availability_zone = var.ebs_availability_zone
+  size              = var.ebs_volume_size
+
+  tags = {
+    Name = "${var.instance_name}-volume-${count.index}"
+  }
+}
+
+resource "aws_volume_attachment" "ebs_attatchment" {
+  count = var.ebs_volume_count
+  device_name = "/dev/sd${local.device_letter_list[count.index]}"
+  volume_id   = aws_ebs_volume.main[count.index].id
+  instance_id = aws_instance.main.id
+}
+
+
+resource "aws_security_group" "main" {
+  name        = "main"
+  description = "Allow traffic"
+  vpc_id      = data.aws_vpc.main.id
+
+  tags = {
+    Name = "main"
+  }
+}
+
+resource "aws_vpc_security_group_ingress_rule" "allow_ssh" {
+  security_group_id = aws_security_group.main.id
+  cidr_ipv4         = "0.0.0.0/0"
+  from_port         = 22
+  ip_protocol       = "tcp"
+  to_port           = 22
+}
+
+resource "aws_vpc_security_group_egress_rule" "allow_all" {
+  security_group_id = aws_security_group.main.id
+  cidr_ipv4         = "0.0.0.0/0"
+  ip_protocol       = -1
+}

terraform/outputs.tf

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+output "instance_ip" {
+  description = "The IP address of the instance"
+  value = aws_instance.main.public_ip
+}

terraform/terraform.tf

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+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+}
+
+# Configure the AWS Provider
+provider "aws" {
+  region = "us-east-1"
+}
+
+provider "random" {}
+

terraform/variables.tf

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+variable "instance_name" {
+    type = string
+    description = "The name of the AWS instance"
+    default = "ebs-playground"
+}
+
+variable "instance_ami" {
+    type = string
+    description = "The AMI id for the AWS instance"
+    default = "ami-07d9b9ddc6cd8dd30"
+}
+
+variable "instance_public_key" {
+    type = string
+    description = "The public key for SSH"
+}
+
+variable "instance_type" {
+    type = string
+    description = "The AWS instance type"
+    default = "t2.micro"
+}
+
+variable "ebs_volume_count" {
+    type = number
+    description = "Number of ebs volumes to create"
+    default = 3
+}
+
+variable "ebs_volume_size" {
+    type = number
+    description = "Size (in GB) of each EBS volumes"
+    default = 10
+}
+
+variable "ebs_availability_zone" {
+    type = string
+    description = "Availability zone to deploy the EBS volumes in"
+    default = "us-east-1a"
+}