├── google_cloud ├── env.sh.sample ├── .gitignore ├── app-base.tf ├── provider.tf ├── scripts │ ├── letsencrypt-init │ ├── cloud-init.app │ └── setup-nat-routing.sh ├── variables.tf ├── network-base.tf ├── app-region1-zone1.tf ├── app-region1-zone2.tf ├── letsencrypt.tf ├── network-region1-zone1.tf ├── network-region1-zone2.tf ├── README.md └── loadbalancer.tf ├── minecraft-server ├── digital-ocean │ ├── .gitignore │ ├── provider.tf │ ├── env.sh.sample │ ├── domain.tf │ ├── variables.tf │ ├── README.md │ └── maincraft.tf └── google_cloud │ ├── provider.tf │ ├── Makefile │ ├── terraform.tfstate │ ├── dns.tf.disabled │ ├── minecraft.init │ ├── README.md │ └── main.tf ├── README.md └── LICENSE /google_cloud/env.sh.sample: -------------------------------------------------------------------------------- 1 | export TF_VAR_gce_project="my-project-name" 2 | -------------------------------------------------------------------------------- /google_cloud/.gitignore: -------------------------------------------------------------------------------- 1 | account.json 2 | env.sh 3 | terraform.tfstate 4 | terraform.tfstate.backup 5 | -------------------------------------------------------------------------------- /minecraft-server/digital-ocean/.gitignore: -------------------------------------------------------------------------------- 1 | env.sh 2 | terraform.tfstate 3 | terraform.tfstate.backup 4 | -------------------------------------------------------------------------------- /minecraft-server/digital-ocean/provider.tf: -------------------------------------------------------------------------------- 1 | # Initialize the provider 2 | provider "digitalocean" { 3 | token = "${var.do_token}" 4 | } -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Terraform (terraform.io) Plans 2 | ============================== 3 | 4 | This directory structure contains terraform plans I find useful. -------------------------------------------------------------------------------- /google_cloud/app-base.tf: -------------------------------------------------------------------------------- 1 | variable "gce_machine_type_fantomtest" { 2 | description = "The machine type to use for the Fantomtest" 3 | default = "f1-micro" 4 | } 5 | -------------------------------------------------------------------------------- /google_cloud/provider.tf: -------------------------------------------------------------------------------- 1 | provider "google" { 2 | credentials = "${file("account.json")}" 3 | project = "${var.gce_project}" 4 | region = "${var.gce_region1}" 5 | } 6 | 7 | -------------------------------------------------------------------------------- /minecraft-server/google_cloud/provider.tf: -------------------------------------------------------------------------------- 1 | provider "google" { 2 | credentials = "${file("account.json")}" 3 | project = "${var.gce_project}" 4 | region = "${var.gce_region}" 5 | } 6 | -------------------------------------------------------------------------------- /minecraft-server/digital-ocean/env.sh.sample: -------------------------------------------------------------------------------- 1 | export TF_VAR_do_token="" 2 | # Location of the private key 3 | export TF_VAR_pvt_key="" 4 | # Location of the public key 5 | export TF_VAR_pub_key="" 6 | -------------------------------------------------------------------------------- /minecraft-server/google_cloud/Makefile: -------------------------------------------------------------------------------- 1 | plan: 2 | terraform plan 3 | 4 | create: 5 | terraform apply 6 | 7 | destroy: 8 | terraform destroy -target google_compute_instance.minecraft-server -force 9 | -------------------------------------------------------------------------------- /minecraft-server/google_cloud/terraform.tfstate: -------------------------------------------------------------------------------- 1 | { 2 | "version": 1, 3 | "serial": 0, 4 | "modules": [ 5 | { 6 | "path": [ 7 | "root" 8 | ], 9 | "outputs": {}, 10 | "resources": {} 11 | } 12 | ] 13 | } 14 | -------------------------------------------------------------------------------- /google_cloud/scripts/letsencrypt-init: -------------------------------------------------------------------------------- 1 | # This is only to save time 2 | apt-get update 3 | apt-get install -y apache2 4 | rm -f /var/www/index.html 5 | touch /var/www/index.html 6 | docker pull quay.io/letsencrypt/letsencrypt:latest 7 | 8 | mkdir /root/ssl-keys 9 | echo "email = vlemp@vuksan.com" > /root/ssl-keys/cli.ini 10 | -------------------------------------------------------------------------------- /minecraft-server/digital-ocean/domain.tf: -------------------------------------------------------------------------------- 1 | # You can also update your DNS record assuming you are using Digital Ocean 2 | # for handling DNS. Change the entries here then uncomment this section 3 | #resource "digitalocean_record" "minecraft-domain-com" { 4 | # domain = "domain.com" 5 | # type = "A" 6 | # name = "minecraft" 7 | # value = "${digitalocean_droplet.minecraft.ipv4_address}" 8 | #} 9 | -------------------------------------------------------------------------------- /minecraft-server/google_cloud/dns.tf.disabled: -------------------------------------------------------------------------------- 1 | variable "domain_name" { 2 | description = "Domain Name" 3 | default = "testing12345.xyz" 4 | } 5 | 6 | resource "google_dns_managed_zone" "mydomain" { 7 | name = "mydomain" 8 | dns_name = "${var.domain_name}." 9 | description = "${var.domain_name} DNS zone" 10 | } 11 | 12 | resource "google_dns_record_set" "minecraft-mydomain" { 13 | managed_zone = "${google_dns_managed_zone.mydomain.name}" 14 | name = "minecraft.${google_dns_managed_zone.mydomain.dns_name}" 15 | type = "A" 16 | ttl = 300 17 | rrdatas = ["${google_compute_instance.minecraft-server.network_interface.0.access_config.0.assigned_nat_ip}"] 18 | } 19 | -------------------------------------------------------------------------------- /minecraft-server/digital-ocean/variables.tf: -------------------------------------------------------------------------------- 1 | # API token 2 | variable "do_token" {} 3 | 4 | # Location of the private key 5 | variable "pvt_key" {} 6 | 7 | # Location of the public key (it will be uploaded 8 | variable "pub_key" {} 9 | 10 | # Default image name to use 11 | variable "do_image_name" { 12 | default = "ubuntu-14-04-x64" 13 | } 14 | 15 | # Default image name to use 16 | variable "do_default_size" { 17 | default = "2gb" 18 | } 19 | 20 | # There to launch the instance 21 | variable "do_default_region" { 22 | default = "nyc3" 23 | } 24 | 25 | 26 | # Where to download the Minecraft server JAR 27 | variable "minecraft_server_url" { 28 | default = "https://s3.amazonaws.com/Minecraft.Download/versions/1.9.2/minecraft_server.1.9.2.jar" 29 | } -------------------------------------------------------------------------------- /google_cloud/scripts/cloud-init.app: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | apt-get update 3 | apt-get install -y apache2 libapache2-mod-php7.0 php7.0-curl mtr-tiny 4 | a2enmod php7.0 5 | cd /var/www/html 6 | wget https://github.com/vvuksan/fantomTest/archive/v1.0.tar.gz 7 | tar zxf v1.0.tar.gz 8 | ln -sf fantomTest-1.0 fantomtest 9 | cat < /var/www/html/index.html 10 |

Hello World

11 | 
12 | EOF
13 | 
14 | ZONE=`curl metadata/0.1/meta-data/zone | cut -f4 -d/`
15 | MYHOST=`curl metadata/0.1/meta-data/hostname | cut -f1 -d.`
16 | 
17 | echo "$MYHOST-$ZONE" >> /var/www/html/index.html
18 | 
19 | 
20 | cat < /var/www/html/ping.php
21 | 
26 | $MYHOST
27 | EOF
28 | 
29 | 
30 | sudo systemctl restart  apache2
31 | 


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/google_cloud/variables.tf:
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 1 | # Name of the Google Cloud project to use
 2 | variable "gce_project" { }
 3 | 
 4 | variable "gce_network" {
 5 |   description   = "GCE network to use"
 6 |   default       = "production"
 7 | }
 8 | 
 9 | ############################################################################
10 | # Specify the name of a region and two zones you want your app deployed in
11 | ############################################################################
12 | variable "gce_region1" {
13 |   description   = "GCE Region 1"
14 |   default       = "us-central1"
15 | }
16 | 
17 | # Specify the two zones in region 1
18 | variable "gce_region1_zone1" {
19 |     default     = "us-central1-f"
20 | }
21 | 
22 | variable "gce_region1_zone2" {
23 |     default     = "us-central1-a"
24 | }
25 | 
26 | variable "gce_image" {
27 |   description   = "OS image to boot VMs using"
28 |   default       = "ubuntu-1604-xenial-v20160420c"
29 | }
30 | 


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/minecraft-server/digital-ocean/README.md:
--------------------------------------------------------------------------------
 1 | This terraform file creates a minecraft server on Digital Ocean. It creates
 2 | a completely new Minecraft server
 3 | To launch it you will need to define 3 variables
 4 | 
 5 | * Your Digital Ocean API token (do_token)
 6 | * Location of your SSH private key (pvt_key)
 7 | * Location of the matching SSH public key (pub_key)
 8 | 
 9 | There are two ways of doing it.
10 | 
11 | * Rename env.sh.sample to env.sh and configure the variables in there. Then source the file with
12 | 
13 | ```source env.sh```
14 | 
15 | * You can also add them directly into the variables.tf file
16 | 
17 | Once you are done configuring you should type
18 | 
19 | ```terraform plan```
20 | 
21 | to see the plan of execution. It should not error out. If that is looking good type
22 | 
23 | ```terraform apply```
24 | 
25 | to execute it. Once it's all done you should have an instance running in the cloud. To find out 
26 | what IP address it got assigned type
27 | 
28 | ```terraform show | grep ipv4```
29 | 
30 | To destroy it type
31 | 
32 | ```terraform destroy```
33 | 
34 | 
35 | TODO:
36 | 
37 | * Import minecraft config from elsewhere


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/google_cloud/scripts/setup-nat-routing.sh:
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 1 | #!/bin/bash
 2 | 
 3 | if [ `grep -c 16.04 /etc/issue` -gt 0 ]; then
 4 | 	NAT_DEVICE="ens4"
 5 | else
 6 | 	NAT_DEVICE="eth0"
 7 | fi
 8 | 
 9 | 
10 | # Redirect stdout ( > ) into a log file.
11 | exec > /tmp/setup-nat-routing.log
12 | exec 2>&1
13 | 
14 | set -e
15 | 
16 | echo "NAT: Enabling routing features in the kernel"
17 | echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward
18 | echo 0 | sudo tee /proc/sys/net/ipv4/conf/$NAT_DEVICE/send_redirects
19 | sudo mkdir -p /etc/sysctl.d/
20 | echo "net.ipv4.ip_forward = 1" | sudo tee /etc/sysctl.d/nat.conf
21 | echo "net.ipv4.conf.$NAT_DEVICE.send_redirects = 0" | sudo tee -a /etc/sysctl.d/nat.conf
22 | 
23 | echo "NAT: Setting up NAT-MASQUERADE"
24 | sudo iptables -t nat -A POSTROUTING -o $NAT_DEVICE -s 0.0.0.0/0 -j MASQUERADE
25 | 
26 | # Cloudinit changes the package repositories, which can make fail next steps.
27 | # Let's wait for it to finish.
28 | while pgrep cloud-init > /dev/null; do echo "Waiting for cloudinit to finish..."; sleep 1; done
29 | 
30 | echo "Save iptables state"
31 | sudo apt-get update
32 | sudo DEBIAN_FRONTEND=noninteractive apt-get install -y iptables-persistent
33 | 


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/google_cloud/network-base.tf:
--------------------------------------------------------------------------------
 1 | variable "gce_machine_type_micro" {
 2 |     description = "The Micro type instances"
 3 |     default     = "f1-micro"
 4 | }
 5 | 
 6 | resource "google_compute_network" "production" {
 7 |     name = "${var.gce_network}"
 8 |     auto_create_subnetworks = true    
 9 | }
10 | 
11 | resource "google_compute_firewall" "inbound-bastion-ssh" {
12 |   name = "inbound-bastion-ssh"
13 |   network = "${google_compute_network.production.name}"
14 | 
15 |   source_ranges     = [ "0.0.0.0/0" ]
16 |   target_tags       = [ "bastion" ]
17 | 
18 |   allow {
19 |     protocol        = "tcp"
20 |     ports           = [ "22" ]
21 |   }
22 | }
23 | 
24 | 
25 | resource "google_compute_firewall" "allow-all-internal" {
26 |   name = "allow-all-internal-${google_compute_network.production.name}"
27 |   network = "${google_compute_network.production.name}"
28 | 
29 |   source_ranges     = [ "10.0.0.0/8" ]
30 |   target_tags       = [ "bastion", "no-ip-${var.gce_region1_zone1}", "no-ip-${var.gce_region1_zone2}", "nat" ]
31 | 
32 |   allow {
33 |     protocol        = "tcp"
34 |   }
35 | 
36 |   allow {
37 |     protocol        = "udp"
38 |   }
39 | 
40 |   allow {
41 |     protocol        = "icmp"
42 |   }
43 | 
44 | }
45 | 
46 | 
47 | 


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/minecraft-server/google_cloud/minecraft.init:
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 1 | #!/bin/bash
 2 | 
 3 | MINECRAFT_VERSION="1.9.2"
 4 | 
 5 | # Where to download the mine
 6 | MINECRAFT_URL="https://s3.amazonaws.com/Minecraft.Download/versions/$MINECRAFT_VERSION/minecraft_server.$MINECRAFT_VERSION.jar"
 7 | 
 8 | export PATH=$PATH:/usr/bin
 9 | 
10 | # 
11 | DISK="/dev/disk/by-id/google-data-permdisk"
12 | BASE_DIR="/minecraft"
13 | 
14 | RUN_DIR="$BASE_DIR/minecraft_server_1"
15 | 
16 | # Make sure mount point exists
17 | install -d $BASE_DIR
18 | 
19 | /usr/share/google/safe_format_and_mount $DISK $BASE_DIR
20 | 
21 | # Let's create the directory where to install the minecraft server
22 | install -o nobody -d $RUN_DIR
23 | 
24 | if [ ! -f $RUN_DIR/minecraft_server_$MINECRAFT_VERSION.jar ]; then
25 | 
26 |    wget -O $RUN_DIR/minecraft_server_$MINECRAFT_VERSION.jar $MINECRAFT_URL
27 | 
28 |    echo "eula=true" > $RUN_DIR/eula.txt
29 | 
30 | fi
31 | 
32 | apt-get update
33 | apt-get install -y openjdk-8-jre-headless supervisor
34 | 
35 | cat > /etc/supervisor/conf.d/minecraft.conf < /minecraft/eula.txt",
31 |         "echo '[program:minecraft]\nuser=nobody\ndirectory=/minecraft\ncommand=/usr/bin/java -jar /minecraft/minecraft_server.jar\nautostart=true\nautorestart=true\numask=002\npriority=2\nstartretries=3\nstopwaitsecs=10\nstdout_logfile=/minecraft/minecraft.log\nstdout_logfile_maxbytes=0\nstderr_logfile=/minecraft/minecraft_errors.log\nstderr_logfile_maxbytes=0' > /etc/supervisor/conf.d/minecraft.conf",
32 |         "service supervisor restart"
33 |         ]
34 |     }
35 | 
36 | 
37 | }
38 | 
39 | 


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/minecraft-server/google_cloud/README.md:
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 1 | This is a set of terraform templates to create a Minecraft server. It uses a persistent disk to store state of game play so that you can shut down your compute instance when you are not using it and save money
 2 | 
 3 | What it does
 4 | ============
 5 | 
 6 | * It will create a persistent disk called minecraft-permdisk
 7 | * Create inbound firewall rules that allow SSH access and access to a range of ports you can use for minecraft starting with the standard 25565
 8 | * It will create an compute instance and attach the minecraft-permdisk to it
 9 | * Once the instance is launched it will download the minecraft server JAR file and install the necessary pieces to kick off the server. Please look at minecraft.init file for more details. Inside it you will also be able to change minecraft server versions
10 | 
11 | Requirements
12 | ============
13 | 
14 | * Terraform binary - download it from [https://www.terraform.io/](https://www.terraform.io/)
15 | * Account credentials stored in the account.json file in this directory (you can override that by adjusting variables in provider.tf)
16 | * In main.tf you will need to specify the name of the GCP project you are creating resources in
17 | 
18 | Optional
19 | ========
20 | 
21 | * These is a dns.tf.disabled file that can also update your DNS settings
22 | 
23 | How to use
24 | ==========
25 | 
26 | There is a Makefile inside this directory that makes things easier to use
27 | 
28 | * Create - type make create - this will spin up all the resources.
29 | * Destroy Instance - type make destroy - this will only destroy your compute instance leaving your permanent disk untouched
30 | 


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/google_cloud/app-region1-zone1.tf:
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 1 | ########################################################################
 2 | # My Compute instance template
 3 | # 
 4 | # It uses the local cloud-init.web file as a startup-script
 5 | ########################################################################
 6 | resource "google_compute_instance_template" "fantomtest_region1_zone1" {
 7 |     name                = "fantomtest-${var.gce_region1_zone1}"
 8 |     machine_type        = "${var.gce_machine_type_fantomtest}"
 9 |     can_ip_forward      = false
10 |     tags                = [ "fantomtest", "no-ip-${var.gce_region1_zone1}" ]
11 | 
12 |     disk {
13 |         source_image    = "${var.gce_image}"
14 |         auto_delete     = true
15 |     }
16 | 
17 |     network_interface {
18 |         network         = "${google_compute_network.production.name}"
19 |     }
20 | 
21 |     metadata {
22 |         startup-script  = "${file("scripts/cloud-init.app")}"
23 |     }
24 | 
25 | }
26 | 
27 | resource "google_compute_instance_group_manager" "fantomtest_region1_zone1" {
28 |     name                = "fantomtest"
29 |     instance_template   = "${google_compute_instance_template.fantomtest_region1_zone1.self_link}"
30 |     target_pools        = ["${google_compute_target_pool.fantomtest_region1_zone1.self_link}"]
31 |     base_instance_name  = "fantomtest"
32 |     zone                = "${var.gce_region1_zone1}"
33 | 
34 |     named_port {
35 |         name            = "http"
36 |         port            = 80
37 |     }
38 | 
39 | }
40 | 
41 | resource "google_compute_autoscaler" "fantomtest_region1_zone1" {
42 |     name                = "fantomtest"
43 |     zone                = "${var.gce_region1_zone1}"
44 |     target              = "${google_compute_instance_group_manager.fantomtest_region1_zone1.self_link}"
45 |     autoscaling_policy = {
46 |         max_replicas    = 5
47 |         min_replicas    = 1
48 |         cooldown_period = 60
49 |         cpu_utilization = {
50 |             target = 0.5
51 |         }
52 |     }
53 | }
54 | 


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/google_cloud/app-region1-zone2.tf:
--------------------------------------------------------------------------------
 1 | ########################################################################
 2 | # My Compute instance template
 3 | # 
 4 | # It uses the local cloud-init.web file as a startup-script
 5 | ########################################################################
 6 | resource "google_compute_instance_template" "fantomtest_region1_zone2" {
 7 |     name                = "fantomtest-${var.gce_region1_zone2}"
 8 |     machine_type        = "${var.gce_machine_type_fantomtest}"
 9 |     can_ip_forward      = false
10 |     tags                = [ "fantomtest", "no-ip-${var.gce_region1_zone2}" ]
11 | 
12 |     disk {
13 |         source_image    = "${var.gce_image}"
14 |         auto_delete     = true
15 |     }
16 | 
17 |     network_interface {
18 |         network         = "${google_compute_network.production.name}"
19 |     }
20 | 
21 |     metadata {
22 |         startup-script  = "${file("scripts/cloud-init.app")}"
23 |     }
24 | 
25 | }
26 | 
27 | resource "google_compute_instance_group_manager" "fantomtest_region1_zone2" {
28 |     name                = "fantomtest"
29 |     instance_template   = "${google_compute_instance_template.fantomtest_region1_zone2.self_link}"
30 |     target_pools        = ["${google_compute_target_pool.fantomtest_region1_zone2.self_link}"]
31 |     base_instance_name  = "fantomtest"
32 |     zone                = "${var.gce_region1_zone2}"
33 | 
34 |     named_port {
35 |         name            = "http"
36 |         port            = 80
37 |     }
38 | 
39 | }
40 | 
41 | resource "google_compute_autoscaler" "fantomtest_region1_zone2" {
42 |     name                = "fantomtest"
43 |     zone                = "${var.gce_region1_zone2}"
44 |     target              = "${google_compute_instance_group_manager.fantomtest_region1_zone2.self_link}"
45 |     autoscaling_policy = {
46 |         max_replicas    = 5
47 |         min_replicas    = 1
48 |         cooldown_period = 60
49 |         cpu_utilization = {
50 |             target = 0.5
51 |         }
52 |     }
53 | }
54 | 


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/minecraft-server/google_cloud/main.tf:
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 1 | variable "gce_project" {
 2 |   description = "GCE Project Name to create machines inside of"
 3 |   default     = "my_project_name"
 4 | }
 5 | 
 6 | variable "gce_region" {
 7 |   description = "GCE Region to use"
 8 |   default     = "us-central1"
 9 | }
10 | 
11 | variable "gce_network" {
12 |   description = "GCE network to use"
13 |   default     = "vladtest-global"
14 | }
15 | 
16 | variable "gce_image_minecraft" {
17 |   description = "The name of the image to base the launched instances."
18 |   default     = "ubuntu-1604-xenial-v20160420c"
19 | }
20 | 
21 | variable "gce_region_zone" {
22 |   description = "GCE Region to use"
23 | 
24 |   # us-central1-[a,b,c,f], us-east1-[a,b,c]
25 |   default = "us-central1-f"
26 | }
27 | 
28 | variable "gce_machine_type_minecraft" {
29 |   description = "The machine type to use for minecraft"
30 |   default     = "g1-small"
31 | }
32 | 
33 | resource "google_compute_firewall" "inbound-minecraft" {
34 |   name    = "inbound-minecraft"
35 |   network = "${var.gce_network}"
36 | 
37 |   source_ranges = ["0.0.0.0/0"]
38 |   target_tags   = ["minecraft"]
39 | 
40 |   allow {
41 |     protocol = "tcp"
42 |     ports    = ["22", "25565-26000"]
43 |   }
44 | }
45 | 
46 | # Create a persistent disk to store Minecraft server data
47 | resource "google_compute_disk" "minecraft-permdisk" {
48 |   name = "minecraft-permdisk"
49 |   size = "10"
50 |   zone = "${var.gce_region_zone}"
51 | }
52 | 
53 | # Create a new minecraft server
54 | resource "google_compute_instance" "minecraft-server" {
55 |   zone         = "${var.gce_region_zone}"
56 |   name         = "minecraft"
57 |   tags         = ["minecraft"]
58 |   machine_type = "${var.gce_machine_type_minecraft}"
59 | 
60 |   disk {
61 |     image       = "${var.gce_image_minecraft}"
62 |     auto_delete = true
63 |   }
64 | 
65 |   # Attach the permanent disk defined above
66 |   disk {
67 |     disk        = "${google_compute_disk.minecraft-permdisk.name}"
68 |     device_name = "data-permdisk"
69 |     auto_delete = false
70 |   }
71 | 
72 |   network_interface {
73 |     network       = "${var.gce_network}"
74 |     access_config = {
75 |     }
76 |   }
77 | 
78 |   metadata_startup_script = "${file("minecraft.init")}"
79 | }
80 | 


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/google_cloud/letsencrypt.tf:
--------------------------------------------------------------------------------
 1 | variable "gce_image_le" {
 2 |     description         = "The name of the image for Let's Encrypt."
 3 |     default             = "google-containers/container-vm-v20160321"
 4 | }
 5 | 
 6 | # Create an instance template
 7 | resource "google_compute_instance_template" "lets-encrypt-instance-template" {
 8 |     name                = "lets-encrypt-instance-template"
 9 |     machine_type        = "${var.gce_machine_type_fantomtest}"
10 |     can_ip_forward      = false
11 |     tags                = [ "letsencrypt", "no-ip-${var.gce_region1_zone1}" ]
12 | 
13 |     disk {
14 |         source_image    = "${var.gce_image_le}"
15 |         auto_delete     = true
16 |     }
17 | 
18 |     network_interface {
19 |         network         = "${google_compute_network.production.name}"
20 |     }
21 | 
22 |     metadata {
23 |         startup-script  = "${file("scripts/letsencrypt-init")}"
24 |     }
25 | 
26 | }
27 | 
28 | resource "google_compute_instance_group_manager" "lets-encrypt-igm" {
29 |     name                = "lets-encrypt-igm"
30 |     instance_template   = "${google_compute_instance_template.lets-encrypt-instance-template.self_link}"
31 |     base_instance_name  = "letsencrypt"
32 |     zone                = "${var.gce_region1_zone1}"
33 | 
34 |     named_port {
35 |         name            = "http"
36 |         port            = 80
37 |     }
38 | 
39 | }
40 | 
41 | resource "google_compute_autoscaler" "lets-encrypt-as" {
42 |     name                = "lets-encrypt-as"
43 |     zone                = "${var.gce_region1_zone1}"
44 |     target              = "${google_compute_instance_group_manager.lets-encrypt-igm.self_link}"
45 |     autoscaling_policy = {
46 |         max_replicas    = 1
47 |         min_replicas    = 1
48 |         cooldown_period = 60
49 |         cpu_utilization = {
50 |             target = 0.5
51 |         }
52 |     }
53 | }
54 | 
55 | resource "google_compute_backend_service" "lets-encrypt-backend-service" {
56 |     name                = "lets-encrypt-backend-service"
57 |     port_name           = "http"
58 |     protocol            = "HTTP"
59 |     timeout_sec         = 10
60 |     region              = "${var.gce_region1}"
61 | 
62 |     backend {
63 |         group           = "${google_compute_instance_group_manager.lets-encrypt-igm.instance_group}"
64 |     }
65 | 
66 |     health_checks       = ["${google_compute_http_health_check.fantomtest.self_link}"]    
67 |     
68 | }


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/google_cloud/network-region1-zone1.tf:
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 1 | ##########################################################################
 2 | # Create a NAT instance - region 1 zone 1
 3 | ##########################################################################
 4 | resource "google_compute_instance" "nat-region1-zone1" {
 5 |     zone            = "${var.gce_region1_zone1}"
 6 |     name            = "nat-${var.gce_region1_zone1}"
 7 |     tags            = [ "${google_compute_network.production.name}", "nat", "public"]
 8 |     machine_type    = "${var.gce_machine_type_micro}"
 9 |     disk {
10 |         image       = "${var.gce_image}"
11 |         auto_delete = true
12 |     }
13 | 
14 |     network_interface {
15 |         network     = "${google_compute_network.production.name}"
16 |         access_config {
17 |             # Ephemeral IP
18 |         }
19 |     }
20 | 
21 |     metadata_startup_script = "${file("scripts/setup-nat-routing.sh")}"
22 |     
23 |     can_ip_forward = true
24 | 
25 | }
26 | 
27 | ##########################################################################
28 | # Create a Bastion instance - region 1 zone 1
29 | ##########################################################################
30 | resource "google_compute_instance" "bastion-region1-zone1" {
31 |     zone            = "${var.gce_region1_zone1}"
32 |     name            = "bastion-${var.gce_region1_zone1}"
33 |     tags            = [ "${google_compute_network.production.name}", "bastion", "public"]
34 |     machine_type    = "${var.gce_machine_type_micro}"
35 |     disk {
36 |         image       = "${var.gce_image}"
37 |         auto_delete = true
38 |     }
39 | 
40 |     network_interface {
41 |         network     = "${google_compute_network.production.name}"
42 |         access_config {
43 |             # Ephemeral IP
44 |         }
45 |     }
46 | 
47 | }
48 | 
49 | ########################################################################
50 | # Route
51 | ########################################################################
52 | resource "google_compute_route" "default-nat-region1-zone1" {
53 |     name            = "default-nat-route-${var.gce_region1_zone1}"
54 |     dest_range      = "0.0.0.0/0"
55 |     network         = "${google_compute_network.production.name}"
56 |     next_hop_ip     = "${google_compute_instance.nat-region1-zone1.network_interface.0.address}"
57 |     priority        = 100
58 |     tags            = [ "no-ip-${var.gce_region1_zone1}" ]
59 | }
60 | 


--------------------------------------------------------------------------------
/google_cloud/network-region1-zone2.tf:
--------------------------------------------------------------------------------
 1 | ##########################################################################
 2 | # Create a NAT instance - region 1 zone 1
 3 | ##########################################################################
 4 | resource "google_compute_instance" "nat-region1-zone2" {
 5 |     zone            = "${var.gce_region1_zone2}"
 6 |     name            = "nat-${var.gce_region1_zone2}"
 7 |     tags            = [ "${google_compute_network.production.name}", "nat", "public"]
 8 |     machine_type    = "${var.gce_machine_type_micro}"
 9 |     disk {
10 |         image       = "${var.gce_image}"
11 |         auto_delete = true
12 |     }
13 | 
14 |     network_interface {
15 |         network     = "${google_compute_network.production.name}"
16 |         access_config {
17 |             # Ephemeral IP
18 |         }
19 |     }
20 | 
21 |     metadata_startup_script = "${file("scripts/setup-nat-routing.sh")}"
22 |     
23 |     can_ip_forward = true
24 | 
25 | }
26 | 
27 | ##########################################################################
28 | # Create a Bastion instance - region 1 zone 1
29 | ##########################################################################
30 | resource "google_compute_instance" "bastion-region1-zone2" {
31 |     zone            = "${var.gce_region1_zone2}"
32 |     name            = "bastion-${var.gce_region1_zone2}"
33 |     tags            = [ "${google_compute_network.production.name}", "bastion", "public"]
34 |     machine_type    = "${var.gce_machine_type_micro}"
35 |     disk {
36 |         image       = "${var.gce_image}"
37 |         auto_delete = true
38 |     }
39 | 
40 |     network_interface {
41 |         network     = "${google_compute_network.production.name}"
42 |         access_config {
43 |             # Ephemeral IP
44 |         }
45 |     }
46 | 
47 | }
48 | 
49 | ########################################################################
50 | # Route
51 | ########################################################################
52 | resource "google_compute_route" "default-nat-region1-zone2" {
53 |     name            = "default-nat-route-${var.gce_region1_zone2}"
54 |     dest_range      = "0.0.0.0/0"
55 |     network         = "${google_compute_network.production.name}"
56 |     next_hop_ip     = "${google_compute_instance.nat-region1-zone2.network_interface.0.address}"
57 |     priority        = 100
58 |     tags            = [ "no-ip-${var.gce_region1_zone2}" ]
59 | }
60 | 


--------------------------------------------------------------------------------
/google_cloud/README.md:
--------------------------------------------------------------------------------
 1 | Google Cloud Terraform Scripts
 2 | ==============================
 3 | 
 4 | This is intended as a POC of deploying an application in two different availability zones
 5 | inside the Google Cloud. Due to the fact that terraform doesn't allow nested variables
 6 | and resource names cannot contain variables we'll use static naming where we'll refer
 7 | to zones and regions as region1 and region1_zone1 and slot the actual zone name in 
 8 | variables.tf file e.g. gce_region1_zone1 is us-central1-f whereas gce_region1_zone2 is
 9 | us-central1-a.
10 | 
11 | It will do following
12 | 
13 | * Create a network called production (defined as gce_network variable in variables.tf)
14 | * Create two separate bastion and NAT gateways in two separate availability 
15 |   These can be changed by changing gce_region1_zone1 and gce_region1_zone2 variables in variables.tf
16 | * Firewall rules we'll be added that enable access to SSH for both bastions from anywhere
17 | * Firewall rules that allow internal traffic as well as traffic from the load balancers to the App
18 | * it will create two different autoscalers in the two above defined zones and use a startup
19 |   script cloud-init.app to bootstrap them. Those two apps will have no public ephemeral
20 |   IPs but will use the NAT gateway in their appropriate availability zones
21 | * Load balancer and URL map will be created that balances traffic across both autoscalers
22 | * Another autoscaler will be created to handle Let's Encrypt [http://blog.vuksan.com/2016/04/18/google-compute-load-balancer-lets-encrypt-integration/](integration)
23 | 
24 | App that is being deployed is Fantomtest from https://github.com/vvuksan/fantomtest. Once it's all configured
25 | you should be able to access the app by using
26 | 
27 | http:///fantomtest/
28 | 
29 | To launch it you will need to define following variables
30 | 
31 | * gce_project needs to be set to name of your project in GCP
32 | 
33 | There are two ways of doing it.
34 | 
35 | * Rename env.sh.sample to env.sh and configure the variables in there. Then source the file with
36 | 
37 | ```source env.sh```
38 | 
39 | * You can also add them directly into the variables.tf file
40 | 
41 | Once you are done configuring you should type
42 | 
43 | ```terraform plan```
44 | 
45 | to see the plan of execution. It should not error out. If that is looking good type
46 | 
47 | ```terraform apply```
48 | 
49 | to execute it. Once it's all done you should have an instance running in the cloud. To find out 
50 | what IP address it got assigned type
51 | 
52 | ```terraform show | grep ipv4```
53 | 
54 | To destroy it all
55 | 
56 | ```terraform destroy```
57 | 
58 | 
59 | 


--------------------------------------------------------------------------------
/google_cloud/loadbalancer.tf:
--------------------------------------------------------------------------------
 1 | #######################################################################
 2 | # Allow Google LB to connect to our web instances
 3 | #######################################################################
 4 | resource "google_compute_firewall" "allow-google-lb" {
 5 |     name            = "allow-google-lb"
 6 |     network         = "${google_compute_network.production.name}"
 7 | 
 8 |     allow {
 9 |         protocol    = "tcp"
10 |         ports       = [ "80", "443" ]
11 |     }
12 | 
13 |     target_tags     = [ "fantomtest", "letsencrypt" ]
14 |     source_ranges   = [ "130.211.0.0/22" ]
15 | 
16 | }
17 | 
18 | resource "google_compute_target_pool" "fantomtest_region1_zone1" {
19 |     name                = "fantomtest-region1-zone1"
20 | }
21 | 
22 | resource "google_compute_target_pool" "fantomtest_region1_zone2" {
23 |     name                = "fantomtest-region1-zone2"
24 | }
25 | 
26 | ############################################################################
27 | # Create a health check
28 | ############################################################################
29 | resource "google_compute_http_health_check" "fantomtest" {
30 |     name                = "fantomtest"
31 |     request_path        = "/"
32 |     check_interval_sec  = 15
33 |     timeout_sec         = 1
34 | }
35 | 
36 | 
37 | resource "google_compute_backend_service" "fantomtest" {
38 |     name                = "fantomtest"
39 |     description         = "Fantomtest"
40 |     port_name           = "http"
41 |     protocol            = "HTTP"
42 |     timeout_sec         = 10
43 |     region              = "us-central1"
44 | 
45 |     # Specify all backend applicable
46 |     backend {
47 |         group           = "${google_compute_instance_group_manager.fantomtest_region1_zone1.instance_group}"
48 |     }
49 | 
50 |     backend {
51 |         group           = "${google_compute_instance_group_manager.fantomtest_region1_zone2.instance_group}"
52 |     }
53 | 
54 |     health_checks       = ["${google_compute_http_health_check.fantomtest.self_link}"]
55 | }
56 | 
57 | 
58 | resource "google_compute_url_map" "fantomtest" {
59 |     name                = "fantomtest-url-map"
60 |     description         = "Fantomtest URL map"
61 |     default_service     = "${google_compute_backend_service.fantomtest.self_link}"
62 |     
63 |     # Add Letsencrypt
64 |     host_rule {
65 |         hosts           = ["*"]
66 |         path_matcher    = "letsencrypt-paths"
67 |     }
68 | 
69 |     path_matcher {
70 |         default_service = "${google_compute_backend_service.fantomtest.self_link}"
71 |         name            = "letsencrypt-paths"
72 |         path_rule {
73 |             paths       = ["/.well-known/*"]
74 |             service     = "${google_compute_backend_service.lets-encrypt-backend-service.self_link}"
75 |         }
76 |     }    
77 |     
78 | }
79 | 
80 | resource "google_compute_target_http_proxy" "fantomtest" {
81 |     name                = "fantomtest-http-proxy"
82 |     description         = "Fantomtest HTTP proxy"
83 |     url_map             = "${google_compute_url_map.fantomtest.self_link}"
84 | }
85 | 
86 | #
87 | resource "google_compute_global_forwarding_rule" "fantomtest-http-forwarding-rule" {
88 |     name                = "fantomtest-http-forward-rule"
89 |     target              = "${google_compute_target_http_proxy.fantomtest.self_link}"
90 |     port_range          = "80"
91 | }
92 | 
93 | 


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