diff --git a/01_read_state/primary/main.tf b/01_read_state/primary/main.tf new file mode 100644 index 0000000..22fd85a --- /dev/null +++ b/01_read_state/primary/main.tf @@ -0,0 +1,4 @@ +# primary/main.tf +output "public_ip" { + value = "8.8.8.8" +} diff --git a/01_read_state/secondary/main.tf b/01_read_state/secondary/main.tf new file mode 100644 index 0000000..e7ebf97 --- /dev/null +++ b/01_read_state/secondary/main.tf @@ -0,0 +1,12 @@ +# secondary/main.tf +# Read state from another Terraform config’s state +data "terraform_remote_state" "primary" { + backend = "local" + config = { + path = "../primary/terraform.tfstate" + } +} + +output "primary_public_ip" { + value = data.terraform_remote_state.primary.outputs.public_ip +} diff --git a/02_store_state/read_state/main.tf b/02_store_state/read_state/main.tf new file mode 100644 index 0000000..2f0a41c --- /dev/null +++ b/02_store_state/read_state/main.tf @@ -0,0 +1,29 @@ +terraform { + backend "remote" { + organization = "" + + workspaces { + name = "lab_2_read_state" + } + } +} + +resource "random_id" "random" { + keepers = { + uuid = uuid() + } + + byte_length = 8 +} + +data "terraform_remote_state" "write_state" { + backend = "remote" + + config = { + organization = "" + + workspaces = { + name = "lab_2_write_state" + } + } +} diff --git a/02_store_state/write_state/main.tf b/02_store_state/write_state/main.tf new file mode 100644 index 0000000..f1288d2 --- /dev/null +++ b/02_store_state/write_state/main.tf @@ -0,0 +1,23 @@ +# lab_2_terraform_cloud_demo/write_state/main.tf +terraform { + backend "remote" { + organization = "" + + workspaces { + name = "lab_2_write_state" + } + } +} + + +resource "random_id" "random" { + keepers = { + uuid = uuid() + } + + byte_length = 8 +} + +output "random" { + value = random_id.random.hex +} diff --git a/03_tfc_basics/assets/setup-web.sh b/03_tfc_basics/assets/setup-web.sh new file mode 100755 index 0000000..edea516 --- /dev/null +++ b/03_tfc_basics/assets/setup-web.sh @@ -0,0 +1,8 @@ +#!/usr/bin/env sh + +cp /tmp/assets/webapp /usr/local/bin/ +chmod +x /usr/local/bin/* +cp /tmp/assets/webapp.service /lib/systemd/system/webapp.service +service webapp start +systemctl enable webapp + diff --git a/03_tfc_basics/assets/webapp b/03_tfc_basics/assets/webapp new file mode 100755 index 0000000..54bc30b Binary files /dev/null and b/03_tfc_basics/assets/webapp differ diff --git a/03_tfc_basics/assets/webapp.service b/03_tfc_basics/assets/webapp.service new file mode 100644 index 0000000..5455a0e --- /dev/null +++ b/03_tfc_basics/assets/webapp.service @@ -0,0 +1,12 @@ +[Install] +WantedBy=multi-user.target + +[Unit] +Description=Demo web app + +[Service] +ExecStart=/usr/local/bin/webapp >> /var/log/webapp.log +IgnoreSIGPIPE=false +KillMode=process +Restart=on-failure + diff --git a/03_tfc_basics/main.tf b/03_tfc_basics/main.tf new file mode 100644 index 0000000..83f5e73 --- /dev/null +++ b/03_tfc_basics/main.tf @@ -0,0 +1,27 @@ +terraform { + required_version = ">= 0.12.0" +} + +provider "aws" { + region = var.region + version = ">= 2.20.0" + +} + + module "keypair" { + source = "mitchellh/dynamic-keys/aws" + version = "2.0.0" + name = "${var.identity}-key" +} + +module "server" { + source = "./server" + + num_webs = var.num_webs + identity = var.identity + ami = var.ami + ingress_cidr = var.ingress_cidr + key_name = module.keypair.key_name + private_key = module.keypair.private_key_pem +} + diff --git a/03_tfc_basics/outputs.tf b/03_tfc_basics/outputs.tf new file mode 100644 index 0000000..28aa9ee --- /dev/null +++ b/03_tfc_basics/outputs.tf @@ -0,0 +1,8 @@ +output "public_ip" { + value = module.server.public_ip +} + +output "public_dns" { + value = module.server.public_dns +} + diff --git a/03_tfc_basics/server/main.tf b/03_tfc_basics/server/main.tf new file mode 100644 index 0000000..f8053f4 --- /dev/null +++ b/03_tfc_basics/server/main.tf @@ -0,0 +1,63 @@ +resource "aws_security_group" "default" { + name_prefix = var.identity + + ingress { + from_port = 80 + to_port = 80 + protocol = "tcp" + cidr_blocks = [var.ingress_cidr] + } + + ingress { + from_port = 22 + to_port = 22 + protocol = "tcp" + cidr_blocks = [var.ingress_cidr] + } + + egress { + from_port = 0 + to_port = 0 + protocol = "-1" + cidr_blocks = ["0.0.0.0/0"] + } + + tags = { + Created-by = "Terraform" + Identity = var.identity + } +} + +resource "aws_instance" "web" { + ami = var.ami + instance_type = "t2.medium" + count = var.num_webs + + vpc_security_group_ids = [aws_security_group.default.id] + + key_name = var.key_name + + tags = { + Name = "${var.identity} web ${count.index + 1}/${var.num_webs}" + Identity = var.identity + } + + connection { + type = "ssh" + user = "ubuntu" + private_key = var.private_key + host = self.public_ip + } + + provisioner "file" { + source = "assets" + destination = "/tmp/" + } + + provisioner "remote-exec" { + inline = [ + "sudo sh /tmp/assets/setup-web.sh", + ] + } +} + diff --git a/03_tfc_basics/server/outputs.tf b/03_tfc_basics/server/outputs.tf new file mode 100644 index 0000000..3032ae9 --- /dev/null +++ b/03_tfc_basics/server/outputs.tf @@ -0,0 +1,8 @@ +output "public_ip" { + value = [aws_instance.web.*.public_ip] +} + +output "public_dns" { + value = [aws_instance.web.*.public_dns] +} + diff --git a/03_tfc_basics/server/variables.tf b/03_tfc_basics/server/variables.tf new file mode 100644 index 0000000..c76e89c --- /dev/null +++ b/03_tfc_basics/server/variables.tf @@ -0,0 +1,24 @@ +variable "private_key" { + description = "EC2 instance private key - generated" +} + +variable "key_name" { + description = "Key name - generated" +} + +variable "ami" { + description = "Base machine image for running this server" +} + +variable "num_webs" { + description = "The number of servers to create" + default = 1 +} + +variable "identity" { + description = "A unique name for this server" +} + +variable "ingress_cidr" { + description = "IP address block from which connections to this instance will be made" +} diff --git a/03_tfc_basics/terraform.tfvars.example b/03_tfc_basics/terraform.tfvars.example new file mode 100644 index 0000000..001d6c1 --- /dev/null +++ b/03_tfc_basics/terraform.tfvars.example @@ -0,0 +1,4 @@ +identity="demo-wallaby" +ingress_cidr="0.0.0.0/0" +public_key="AAAA" +private_key="AAAA" diff --git a/03_tfc_basics/variables.tf b/03_tfc_basics/variables.tf new file mode 100644 index 0000000..38b0049 --- /dev/null +++ b/03_tfc_basics/variables.tf @@ -0,0 +1,23 @@ +variable "identity" { + description = "A unique name for your resources" +} + +variable "ami" { + description = "The Amazon Machine Image for new instances." + default = "ami-0735ea082a1534cac" +} + +variable "ingress_cidr" { + default = "0.0.0.0/0" + description = "IP block from which connections to this instance will be made" +} + + +variable "num_webs" { + description = "The number of servers to run" + default = "1" +} + +variable "region" { + default = "us-east-1" +} diff --git a/03_tfc_basics/webapp/.gitignore b/03_tfc_basics/webapp/.gitignore new file mode 100644 index 0000000..7e63dba --- /dev/null +++ b/03_tfc_basics/webapp/.gitignore @@ -0,0 +1,2 @@ +rice-box.go +dist/* diff --git a/03_tfc_basics/webapp/README.md b/03_tfc_basics/webapp/README.md new file mode 100644 index 0000000..83a5d6f --- /dev/null +++ b/03_tfc_basics/webapp/README.md @@ -0,0 +1,29 @@ +# Web app + +A web app written in Go that uses websockets to log visits and push notifications to all visitors. + +Defaults to running on port 80. Set `PORT` as ENV var to specify another port. + +### Build + +Build for Linux and Darwin: + + ./bin/build + +Output can be found in `dist`. + +A copy of the Linux executable will also be copied to `../assets` for deployment with Terraform. + +### Run + + PORT=8080 go run main.go + +### View + + http://localhost:8080 + +## Credits + +Browser icons from https://github.com/alrra/browser-logos + + diff --git a/03_tfc_basics/webapp/assets/app.js b/03_tfc_basics/webapp/assets/app.js new file mode 100644 index 0000000..19ab45e --- /dev/null +++ b/03_tfc_basics/webapp/assets/app.js @@ -0,0 +1,79 @@ +var data = [{ date: new Date(), value: 1 }]; +var ids = {}; + +const windowWidth = $(window).width(); +function renderChart(data) { + MG.data_graphic({ + title: "Visits", + description: "This graphic shows a time series of page views.", + data: data, + width: windowWidth < 800 ? windowWidth - 40 : 700, + height: windowWidth < 800 ? 150 : 250, + chart_type: "histogram", + bins: 30, + bar_margin: 0, + target: "#chart", + x_accessor: "date", + y_accessor: "value" + }); +} + +renderChart(data); + +function addTableRow(record) { + // {browser:"firefox", epochs:39929283829, ip:"10.0.0.1", agent:"Chrome 238.23"} + $("#visits tbody").prepend( + '' + + '
' + + moment(record.epochs).format("LT") + + "
" + + '
' + + record.agent + + "
" + + "" + ); +} + +function logVisit(record) { + if (ids[record.id] === undefined) { + record.date = new Date(record.epochs); + data.push(record); + renderChart(data); + addTableRow(record); + ids[record.id] = 1; + } +} + +var socket = io({ transports: ["websocket"] }); + +// Listen for messages +socket.on("message", function(message) { + logVisit(message); +}); + +socket.on("connect", function() { + // Broadcast a message + var message = {}; + const epochs = new Date().getTime(); + + function broadcastMessage() { + message.epochs = new Date().getTime(); + message.id = message.epochs; + socket.emit("send", message, function(result) { + // Silent success + }); + } + + message = { + id: epochs, + browser: navigator.appName.toLowerCase(), + epochs: epochs, + agent: navigator.userAgent, + value: 1 + }; + broadcastMessage(); + + setInterval(broadcastMessage, 30 * 1000); +}); diff --git a/03_tfc_basics/webapp/assets/dependencies/d3.v4.min.js b/03_tfc_basics/webapp/assets/dependencies/d3.v4.min.js new file mode 100644 index 0000000..643b658 --- /dev/null +++ b/03_tfc_basics/webapp/assets/dependencies/d3.v4.min.js @@ -0,0 +1,2 @@ +// https://d3js.org Version 4.12.0. 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3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:hu(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};vu.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:hu(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};gu.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var e_=function t(n){function e(t){return 1===n?new pu(t):new gu(t,n)}return e.beta=function(n){return t(+n)},e}(.85);yu.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 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3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:_u(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var i_=function t(n){function e(t){return new mu(t,n)}return e.tension=function(n){return t(+n)},e}(0);xu.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 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3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:bu(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var a_=function t(n){function e(t){return n?new Mu(t,n):new mu(t,0)}return e.alpha=function(n){return 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n?new Tu(t,n):new xu(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Nu.prototype={areaStart:n_,areaEnd:n_,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};Cu.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:Au(this,this._t0,Eu(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 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collapse; + margin: 0 auto; + width: 100%; +} + +table img { + width: 32px; + height: 32px; + margin: 0 1em; + display: block; +} + +tbody:before { + line-height: 1em; + content: "_"; + color: transparent; + display: block; +} + +table tr th { + text-align: left; + border-bottom: 1px solid #ccc; + margin-bottom: 2em; +} + +table td { + text-align: left; + vertical-align: top; + padding-top: 0.5em; + padding-bottom: 0.5em; + border-bottom: 1px dotted white; +} + +tr td:nth-child(4) { + min-width: 5em; + padding-right: 0; +} + +@media only screen and (max-width: 700px) { + td, + th { + font-size: 0.5em; + } +} diff --git a/03_tfc_basics/webapp/bin/build b/03_tfc_basics/webapp/bin/build new file mode 100755 index 0000000..5ebb01a --- /dev/null +++ b/03_tfc_basics/webapp/bin/build @@ -0,0 +1,16 @@ +#!/usr/bin/env sh + +# Bundle web assets +rice embed-go + +# Build linux version +GOOS=linux GOARCH=amd64 go build -v . +mkdir -p dist/linux-amd64 +mv webapp dist/linux-amd64/ +cp dist/linux-amd64/webapp ../assets/ + +# Build for local platform +GOOS=darwin GOARCH=amd64 go build -v . +mkdir -p dist/darwin-amd64 +mv webapp dist/darwin-amd64/ + diff --git a/03_tfc_basics/webapp/main.go b/03_tfc_basics/webapp/main.go new file mode 100644 index 0000000..a3591cc --- /dev/null +++ b/03_tfc_basics/webapp/main.go @@ -0,0 +1,89 @@ +package main + +import ( + "fmt" + "log" + "net/http" + "os" + "strings" + + "github.com/GeertJohan/go.rice" + "github.com/gorilla/mux" + "github.com/graarh/golang-socketio" + "github.com/graarh/golang-socketio/transport" +) + +// Message holds the values passed between clients when they connect. +type Message struct { + ID int `json:"id"` + Browser string `json:"browser"` + Epochs int `json:"epochs"` + IP string `json:"ip"` + Agent string `json:"agent"` + Value int `json:"value"` +} + +var db = make([]Message, 0) + +func main() { + port := os.Getenv("PORT") + if port == "" { + port = "80" + } + portWithColon := fmt.Sprintf(":%s", port) + + fmt.Println("Starting server on http://0.0.0.0:" + port) + router := mux.NewRouter() + router.PathPrefix("/socket.io/").Handler(startWebsocket()) + router.PathPrefix("/").Handler(http.FileServer(rice.MustFindBox("assets").HTTPBox())) + + log.Fatal(http.ListenAndServe(portWithColon, router)) +} + +func startWebsocket() *gosocketio.Server { + server := gosocketio.NewServer(transport.GetDefaultWebsocketTransport()) + + fmt.Println("Starting websocket server") + server.On(gosocketio.OnConnection, handleConnection) + server.On("send", handleSend) + + return server +} + +func handleConnection(c *gosocketio.Channel) { + fmt.Println("New client connected") + c.Join("visits") + // Send all messages in db + for _, msg := range db { + c.BroadcastTo("visits", "message", msg) + } + fmt.Println("Messages in db", len(db)) +} + +func handleSend(c *gosocketio.Channel, msg Message) string { + switch { + case strings.Contains(msg.Agent, "Edge"): + msg.Browser = "edge" + case strings.Contains(msg.Agent, "MSIE"): + msg.Browser = "internet-explorer" + case strings.Contains(msg.Agent, "Chrome"): + msg.Browser = "chrome" + case strings.Contains(msg.Agent, "Firefox"): + msg.Browser = "firefox" + case strings.Contains(msg.Agent, "Safari"): + msg.Browser = "safari" + default: + msg.Browser = "netscape" + } + + db = append(db, msg) + maxLenOfDB := 20 + if len(db) > maxLenOfDB { + fmt.Println("Pruning DB") + db = db[(len(db) - maxLenOfDB):] + } + fmt.Println("Messages in db at Send", len(db)) + c.BroadcastTo("visits", "message", msg) + fmt.Println(msg) + return "OK" +} diff --git a/04_template_file/main.tf b/04_template_file/main.tf new file mode 100644 index 0000000..411766c --- /dev/null +++ b/04_template_file/main.tf @@ -0,0 +1,33 @@ +variable "owner_id" { + default = "anaconda" +} + +locals { + policy = templatefile("${path.module}/templates/iam_policy.json.tpl", { + owner_id = var.owner_id + bucket_name = "${var.owner_id}-${uuid()}" + }) +} + + +provider "aws" { +} + +resource "aws_s3_bucket" "bucket1" { + bucket = "${var.owner_id}-${uuid()}" + acl = "private" +} + +resource "aws_iam_policy" "bucket1"{ + name = "${aws_s3_bucket.bucket1.id}-policy" + policy = local.policy +} + +resource "aws_iam_user_policy_attachment" "attach-policy" { + user = var.owner_id + policy_arn = aws_iam_policy.bucket1.arn +} + +output "iam_policy" { + value = local.policy +} diff --git a/04_template_file/templates/iam_policy.json.tpl b/04_template_file/templates/iam_policy.json.tpl new file mode 100644 index 0000000..16859ab --- /dev/null +++ b/04_template_file/templates/iam_policy.json.tpl @@ -0,0 +1,18 @@ +{ + "Id": "Policy1527877254663", + "Version": "2012-10-17", + "Statement": [ + { + "Sid": "Stmt1527877245190", + "Action": [ + "s3:CreateBucket", + "s3:DeleteBucket", + "s3:DeleteObject", + "s3:GetObject", + "s3:ListObjects" + ], + "Effect": "Allow", + "Resource": "arn:aws:s3:::${bucket_name}" + } + ] +} diff --git a/05_multi-provider/main.tf b/05_multi-provider/main.tf new file mode 100644 index 0000000..f4a71f8 --- /dev/null +++ b/05_multi-provider/main.tf @@ -0,0 +1,89 @@ +variable "github_token" { +} + +variable "ami" { +} + +variable "identity" { + default = "anaconda" +} + +variable "namespace" { + default = "multi-provider-demo" +} + +provider "github" { + token = var.github_token + organization = "placeholder" +} + +provider "aws" { + version = ">= 1.19.0" +} + +data "github_ip_ranges" "test" { +} + +resource "aws_security_group" "training" { + name_prefix = var.namespace + + ingress { + from_port = 0 + to_port = 0 + protocol = "-1" + cidr_blocks = ["0.0.0.0/0"] + } + + egress { + from_port = 0 + to_port = 0 + protocol = "-1" + + cidr_blocks = ["0.0.0.0/0"] + #cidr_blocks = data.github_ip_ranges.test.pages + } +} + +resource "aws_key_pair" "training" { + key_name = "${var.identity}-${var.namespace}-key" + public_key = file("~/.ssh/id_rsa.pub") +} + +resource "aws_instance" "example" { + ami = var.ami + instance_type = "t2.micro" + vpc_security_group_ids = [aws_security_group.training.id] + + key_name = aws_key_pair.training.id + + tags = { + Name = "${var.identity}-simple-instance" + } + + connection { + type = "ssh" + user = "ubuntu" + private_key = file("~/.ssh/id_rsa") + host = aws_instance.example.public_ip + } + + provisioner "remote-exec" { + inline = [ + "ping -c 5 ${cidrhost(element(data.github_ip_ranges.test.pages, 0), 0)}", + "ping -c 5 hashicorp.com", + ] + } +} + +output "github_pages_ip_ranges" { + value = data.github_ip_ranges.test.pages +} + +output "public_ip" { + value = [aws_instance.example.*.public_ip] +} + +output "public_dns" { + value = [aws_instance.example.*.public_dns] +} + diff --git a/06_lifecycles/main.tf b/06_lifecycles/main.tf new file mode 100644 index 0000000..95b695d --- /dev/null +++ b/06_lifecycles/main.tf @@ -0,0 +1,34 @@ +provider "aws" {} + +resource "aws_security_group" "training" { + name_prefix = "demo" + #name_prefix = "demo-modified" + ingress { + from_port = 0 + to_port = 0 + protocol = "tcp" + cidr_blocks = ["0.0.0.0/0"] + } + + egress { + from_port = 0 + to_port = 0 + protocol = "tcp" + cidr_blocks = ["0.0.0.0/0"] + } + + # lifecycle { + # create_before_destroy = true + # prevent_destroy = true + # } +} + +resource "aws_instance" "web" { + ami = "ami-0735ea082a1534cac" + instance_type = "t2.micro" + vpc_security_group_ids = [aws_security_group.training.id] + + tags = { + name = "demo-simple-instance" + } +} diff --git a/07_sentinel/sentinel.json b/07_sentinel/sentinel.json new file mode 100644 index 0000000..2f0dfe9 --- /dev/null +++ b/07_sentinel/sentinel.json @@ -0,0 +1,7 @@ +{ + "mock": { + "tfconfig": "testdata/mock-tfconfig.sentinel", + "tfplan": "testdata/mock-tfplan.sentinel", + "tfstate": "testdata/mock-tfstate.sentinel" + } +} diff --git a/07_sentinel/sentinel_demo/instance_type_is_medium.sentinel b/07_sentinel/sentinel_demo/instance_type_is_medium.sentinel new file mode 100644 index 0000000..a9463e6 --- /dev/null +++ b/07_sentinel/sentinel_demo/instance_type_is_medium.sentinel @@ -0,0 +1,28 @@ +import "tfplan" + +allowed_sizes = ["t2.medium"] + +# Get all AWS instances contained in all modules being used +get_aws_instances = func() { + instances = [] + for tfplan.module_paths as path { + instances += values(tfplan.module(path).resources.aws_instance) else [] + } + return instances +} + +aws_instances = get_aws_instances() + +instance_types = rule { + all aws_instances as _, instances { + all instances as index, r { + all allowed_sizes as t { + r.applied.instance_type contains t + } + } + } +} + +main = rule { + (instance_types) else true +} diff --git a/07_sentinel/simple/simple.sentinel b/07_sentinel/simple/simple.sentinel new file mode 100644 index 0000000..365dd37 --- /dev/null +++ b/07_sentinel/simple/simple.sentinel @@ -0,0 +1,3 @@ +main = rule { + true +} diff --git a/07_sentinel/simple/test/simple/pass.json b/07_sentinel/simple/test/simple/pass.json new file mode 100644 index 0000000..c45d597 --- /dev/null +++ b/07_sentinel/simple/test/simple/pass.json @@ -0,0 +1,5 @@ +{ + "test": { + "main": true + } +} diff --git a/07_sentinel/with-data/test/with-data/expected-failure.json b/07_sentinel/with-data/test/with-data/expected-failure.json new file mode 100644 index 0000000..87e157b --- /dev/null +++ b/07_sentinel/with-data/test/with-data/expected-failure.json @@ -0,0 +1,30 @@ +{ + "global": { + "instance_type": "t2.nano", + "ami": { + "id": "ami-11111111" + } + }, + "mock": { + "tfplan": { + "random_pet": { + "server": { + "0": { + "applied": { + "id": "deciding-pegasus", + "length": "2", + "separator": "-" + }, + "diff": {} + } + } + } + } + }, + "test": { + "main": false, + "instance_type_is_medium": false, + "ami_is_present": false, + "has_id": false + } +} diff --git a/07_sentinel/with-data/test/with-data/pass.json b/07_sentinel/with-data/test/with-data/pass.json new file mode 100644 index 0000000..1366a6b --- /dev/null +++ b/07_sentinel/with-data/test/with-data/pass.json @@ -0,0 +1,29 @@ +{ + "global": { + "instance_type": "t2.medium", + "ami": { + "id": "ami-e474db9c" + } + }, + "mock": { + "tfplan": { + "random_pet": { + "server": { + "0": { + "applied": { + "id": "deciding-pegasus", + "length": "2", + "separator": "-" + }, + "diff": {} + } + } + } + } + }, + "test": { + "main": true, + "instance_type_is_medium": true + + } +} diff --git a/07_sentinel/with-data/with-data.sentinel b/07_sentinel/with-data/with-data.sentinel new file mode 100644 index 0000000..db1a726 --- /dev/null +++ b/07_sentinel/with-data/with-data.sentinel @@ -0,0 +1,21 @@ +import "tfplan" + +main = rule { + instance_type_is_medium and + ami_is_present and + has_id +} + +instance_type_is_medium = rule { + instance_type is "t2.medium" +} + +ami_is_present = rule { + ami.id is "ami-e474db9c" +} + +has_id = rule { + any tfplan.random_pet.server as _, servers { + servers.applied.id is "deciding-pegasus" + } +} \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..e38c495 --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2018 HashiCorp + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/README.md b/README.md index 77e6b7f..336ef35 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,18 @@ # Terraform Intro Demo Before and after code for a _Terraform Introduction_ class. + +## Terraform Cloud + +This branch is for use with a student's own AWS credentials and is intended to run on Terraform Cloud (but can also run locally). + +Major changes: + +- A security group is created for SSH and HTTP +- The configuration only uses resources built by the configuration itself +- `public_key` and `private_key` should be provided as contents rather than a path to a file. +- AWS credentials should be provided as environment variables. + + export AWS_ACCESS_KEY_ID="AAAA" + export AWS_SECRET_ACCESS_KEY="AAAA" + export AWS_DEFAULT_REGION="us-west-2" diff --git a/assets/setup-web.sh b/assets/setup-web.sh index 1a0ae95..edea516 100755 --- a/assets/setup-web.sh +++ b/assets/setup-web.sh @@ -4,3 +4,5 @@ cp /tmp/assets/webapp /usr/local/bin/ chmod +x /usr/local/bin/* cp /tmp/assets/webapp.service /lib/systemd/system/webapp.service service webapp start +systemctl enable webapp + diff --git a/assets/webapp.service b/assets/webapp.service index c28fb12..5455a0e 100644 --- a/assets/webapp.service +++ b/assets/webapp.service @@ -1,3 +1,6 @@ +[Install] +WantedBy=multi-user.target + [Unit] Description=Demo web app @@ -5,4 +8,5 @@ Description=Demo web app ExecStart=/usr/local/bin/webapp >> /var/log/webapp.log IgnoreSIGPIPE=false KillMode=process +Restart=on-failure diff --git a/main.tf b/main.tf index 5b367d1..c368fd5 100644 --- a/main.tf +++ b/main.tf @@ -1,9 +1,19 @@ +terraform { + required_version = ">= 0.11.0" +} + provider "aws" { - access_key = "" - secret_key = "" - region = "" + } -resource "aws_instance" "web" { - # ... +module "server" { + source = "./server" + + num_webs = var.num_webs + identity = var.identity + ami = var.ami + ingress_cidr = var.ingress_cidr + public_key = var.public_key + private_key = var.private_key } + diff --git a/outputs.tf b/outputs.tf new file mode 100644 index 0000000..28aa9ee --- /dev/null +++ b/outputs.tf @@ -0,0 +1,8 @@ +output "public_ip" { + value = module.server.public_ip +} + +output "public_dns" { + value = module.server.public_dns +} + diff --git a/server/main.tf b/server/main.tf new file mode 100644 index 0000000..c93273c --- /dev/null +++ b/server/main.tf @@ -0,0 +1,68 @@ +resource "aws_key_pair" "default" { + key_name = "${var.identity}-key" + public_key = var.public_key +} + +resource "aws_security_group" "default" { + name_prefix = var.identity + + ingress { + from_port = 80 + to_port = 80 + protocol = "tcp" + cidr_blocks = [var.ingress_cidr] + } + + ingress { + from_port = 22 + to_port = 22 + protocol = "tcp" + cidr_blocks = [var.ingress_cidr] + } + + egress { + from_port = 0 + to_port = 0 + protocol = "-1" + cidr_blocks = ["0.0.0.0/0"] + } + + tags = { + Created-by = "Terraform" + Identity = var.identity + } +} + +resource "aws_instance" "web" { + ami = var.ami + instance_type = "t2.medium" + count = var.num_webs + + vpc_security_group_ids = [aws_security_group.default.id] + + key_name = aws_key_pair.default.id + + tags = { + Name = "${var.identity} web ${count.index + 1}/${var.num_webs}" + Identity = var.identity + } + + connection { + type = "ssh" + user = "ubuntu" + private_key = var.private_key + host = aws_instance.web.*.public_ip + } + + provisioner "file" { + source = "assets" + destination = "/tmp/" + } + + provisioner "remote-exec" { + inline = [ + "sudo sh /tmp/assets/setup-web.sh", + ] + } +} + diff --git a/server/outputs.tf b/server/outputs.tf new file mode 100644 index 0000000..3032ae9 --- /dev/null +++ b/server/outputs.tf @@ -0,0 +1,8 @@ +output "public_ip" { + value = [aws_instance.web.*.public_ip] +} + +output "public_dns" { + value = [aws_instance.web.*.public_dns] +} + diff --git a/server/variables.tf b/server/variables.tf new file mode 100644 index 0000000..3faea5e --- /dev/null +++ b/server/variables.tf @@ -0,0 +1,25 @@ +variable "ami" { + description = "Base machine image for running this server" +} + +variable "num_webs" { + description = "The number of servers to create" + default = 1 +} + +variable "identity" { + description = "A unique name for this server" +} + +variable "ingress_cidr" { + description = "IP address block from which connections to this instance will be made" +} + +variable "public_key" { + description = "Contents of the public key used to connect to this instance" +} + +variable "private_key" { + description = "Contents of the private key used to connect to this instance" +} + diff --git a/terraform.tfvars.example b/terraform.tfvars.example new file mode 100644 index 0000000..001d6c1 --- /dev/null +++ b/terraform.tfvars.example @@ -0,0 +1,4 @@ +identity="demo-wallaby" +ingress_cidr="0.0.0.0/0" +public_key="AAAA" +private_key="AAAA" diff --git a/variables.tf b/variables.tf new file mode 100644 index 0000000..3bfc90e --- /dev/null +++ b/variables.tf @@ -0,0 +1,27 @@ +variable "identity" { + description = "A unique name for your resources" +} + +variable "ami" { + description = "The Amazon Machine Image for new instances." + default = "ami-c62eaabe" +} + +variable "ingress_cidr" { + default = "0.0.0.0/0" + description = "IP block from which connections to this instance will be made" +} + +variable "public_key" { + description = "Contents of the public key used to connect to this instance" +} + +variable "private_key" { + description = "Contents of the private key used to connect to this instance" +} + +variable "num_webs" { + description = "The number of servers to run" + default = "1" +} +