Merge pull request #12 from mcapuccini/feature/aws_bootstrap

add AWS support. Thanks @andersla !

README.md

@@ -45,7 +45,7 @@ Want to try KubeNow? You can get started following the tutorials in the document
 ### Cloud Providers
 - [x] OpenStack
 - [x] Google Cloud Platform
-- [ ] Amazon Web Services
+- [x] Amazon Web Services
 - [ ] Local
 
 

aws/edge/main.tf

@@ -0,0 +1,64 @@
+variable name_prefix {}
+variable kubenow_image_id {}
+variable instance_type {}
+variable kubeadm_token {}
+variable disk_size {}
+variable availability_zone {}
+variable ssh_user {}
+variable ssh_keypair_name {}
+variable master_ip {}
+variable subnet_id {}
+variable count {}
+variable security_group_id {}
+
+# create bootstrap script file from template
+resource "template_file" "edge_bootstrap" {
+  template = "${file("${path.root}/../bootstrap/node.sh")}"
+  vars {
+    kubeadm_token = "${var.kubeadm_token}"
+    master_ip = "${var.master_ip}"
+  }
+}
+
+resource "aws_instance" "edge" {
+  count = "${var.count}"
+  ami = "${var.kubenow_image_id}"
+  availability_zone = "${var.availability_zone}"
+  instance_type = "${var.instance_type}"
+  associate_public_ip_address = true 
+  key_name = "${var.ssh_keypair_name}" 
+  vpc_security_group_ids = ["${var.security_group_id}"]
+  subnet_id = "${var.subnet_id}"
+  user_data = "${template_file.edge_bootstrap.rendered}" 
+
+  root_block_device {
+    delete_on_termination = true
+    volume_size = "${var.disk_size}"
+  }
+
+  tags {
+    Name = "${var.name_prefix}-edge-${format("%03d", count.index)}"
+    sshUser = "${var.ssh_user}"
+  }
+}
+
+# Generate ansible inventory
+resource "null_resource" "generate-inventory" {
+
+  provisioner "local-exec" {
+    command =  "echo \"[edge]\" >> inventory"
+  }
+
+  provisioner "local-exec" {
+    command =  "echo \"${join("\n",formatlist("%s ansible_ssh_host=%s ansible_ssh_user=ubuntu", aws_instance.edge.*.tags.Name, aws_instance.edge.*.public_ip))}\" >> inventory"
+  }
+
+  provisioner "local-exec" {
+    command =  "echo \"[master:vars]\" >> inventory"
+  }
+
+  provisioner "local-exec" {
+    # generates aws hostnames (ip-000-111-222-333) from ip-numbers
+    command =  "echo 'edge_names=\"${replace(join(" ",formatlist("ip-%s", aws_instance.edge.*.private_ip)),".","-")}\"' >> inventory"
+  }
+}

aws/main.tf

@@ -0,0 +1,86 @@
+# Cluster settings
+variable cluster_prefix {}
+variable kubenow_image_id {}
+variable kubeadm_token {}
+
+variable aws_access_key_id {}
+variable aws_secret_access_key {}
+variable aws_region {}
+variable availability_zone {}
+
+variable ssh_user { default = "ubuntu" }
+variable ssh_keypair_name {}
+
+# Master settings
+variable master_instance_type {}
+variable master_disk_size {}
+
+# Nodes settings
+variable node_count {}
+variable node_instance_type {}
+variable node_disk_size {}
+
+# Edges settings
+variable edge_count {}
+variable edge_instance_type {}
+variable edge_disk_size {}
+
+# Provider
+provider "aws" {
+  access_key = "${var.aws_access_key_id}" 
+  secret_key = "${var.aws_secret_access_key}" 
+  region = "${var.aws_region}" 
+}
+
+# VPC Virtual Private Cloud - Networking
+module "vpc" {
+  source = "./vpc"
+  name_prefix = "${var.cluster_prefix}"
+  availability_zone = "${var.availability_zone}" 
+}
+
+module "master" {
+  source = "./master"
+  name_prefix = "${var.cluster_prefix}"
+  kubenow_image_id = "${var.kubenow_image_id}"
+  instance_type = "${var.master_instance_type}"
+  subnet_id = "${module.vpc.subnet_id}"
+  security_group_id = "${module.vpc.security_group_id}"
+  kubeadm_token = "${var.kubeadm_token}"
+  availability_zone = "${var.availability_zone}"
+  ssh_user = "${var.ssh_user}"
+  ssh_keypair_name = "${var.ssh_keypair_name}"
+  disk_size = "${var.master_disk_size}"
+}
+
+module "node" {
+  source = "./node"
+  name_prefix = "${var.cluster_prefix}"
+  kubenow_image_id = "${var.kubenow_image_id}"
+  instance_type = "${var.node_instance_type}"
+  subnet_id = "${module.vpc.subnet_id}"
+  security_group_id = "${module.vpc.security_group_id}"
+  kubeadm_token = "${var.kubeadm_token}"
+  master_ip = "${module.master.ip_address_internal}"
+  count = "${var.node_count}"
+  availability_zone = "${var.availability_zone}"
+  ssh_user = "${var.ssh_user}"
+  ssh_keypair_name = "${var.ssh_keypair_name}"
+  disk_size = "${var.node_disk_size}"  
+}
+
+module "edge" {
+  source = "./edge"
+  name_prefix = "${var.cluster_prefix}"
+  kubenow_image_id = "${var.kubenow_image_id}"
+  instance_type = "${var.edge_instance_type}"
+  subnet_id = "${module.vpc.subnet_id}"
+  security_group_id = "${module.vpc.security_group_id}"
+  kubeadm_token = "${var.kubeadm_token}"
+  master_ip = "${module.master.ip_address_internal}"
+  count = "${var.edge_count}"
+  availability_zone = "${var.availability_zone}"
+  ssh_user = "${var.ssh_user}"
+  ssh_keypair_name = "${var.ssh_keypair_name}"
+  disk_size = "${var.edge_disk_size}" 
+}

aws/master/main.tf

@@ -0,0 +1,66 @@
+variable name_prefix {}
+variable kubenow_image_id {}
+variable instance_type {}
+variable kubeadm_token {}
+variable disk_size {}
+variable availability_zone {}
+variable ssh_user {}
+variable ssh_keypair_name {}
+variable subnet_id {}
+variable security_group_id {}
+
+
+# create bootstrap script file from template
+resource "template_file" "master_bootstrap" {
+  template = "${file("${path.root}/../bootstrap/master.sh")}"
+  vars {
+    kubeadm_token = "${var.kubeadm_token}"
+  }
+}
+
+resource "aws_instance" "master" {
+  ami = "${var.kubenow_image_id}"
+  availability_zone = "${var.availability_zone}"
+  instance_type = "${var.instance_type}"
+  associate_public_ip_address = true 
+  key_name = "${var.ssh_keypair_name}"  
+  vpc_security_group_ids = ["${var.security_group_id}"]
+  subnet_id = "${var.subnet_id}"
+  user_data = "${template_file.master_bootstrap.rendered}"
+
+  root_block_device {
+    delete_on_termination = true
+    volume_size = "${var.disk_size}"
+  }
+
+  tags {
+    Name = "${var.name_prefix}-master"
+    sshUser = "${var.ssh_user}"
+  }
+}
+
+# Generate ansible inventory
+resource "null_resource" "generate-inventory" {
+
+  provisioner "local-exec" {
+    command =  "echo \"[master]\" > inventory"
+  }
+
+  provisioner "local-exec" {
+    command =  "echo \"${aws_instance.master.0.tags.Name} ansible_ssh_host=${aws_instance.master.0.public_ip} ansible_ssh_user=ubuntu\" >> inventory"
+  }
+
+}
+
+output "ip_address" {
+  value = "${aws_instance.master.0.public_ip}"
+}
+
+output "ip_address_internal" {
+  value = "${aws_instance.master.0.private_ip}"
+}
+
+
+
+
+

aws/node/main.tf

@@ -0,0 +1,44 @@
+variable name_prefix {}
+variable kubenow_image_id {}
+variable instance_type {}
+variable kubeadm_token {}
+variable disk_size {}
+variable availability_zone {}
+variable ssh_user {}
+variable ssh_keypair_name {}
+variable master_ip {}
+variable subnet_id {}
+variable count {}
+variable security_group_id {}
+
+
+# create bootstrap script file from template
+resource "template_file" "node_bootstrap" {
+  template = "${file("${path.root}/../bootstrap/node.sh")}"
+  vars {
+    kubeadm_token = "${var.kubeadm_token}"
+    master_ip = "${var.master_ip}"
+  }
+}
+
+resource "aws_instance" "node" {
+  count = "${var.count}"
+  ami = "${var.kubenow_image_id}"
+  availability_zone = "${var.availability_zone}"
+  instance_type = "${var.instance_type}"
+  associate_public_ip_address = true 
+  key_name = "${var.ssh_keypair_name}" 
+  vpc_security_group_ids = ["${var.security_group_id}"]
+  subnet_id = "${var.subnet_id}"
+  user_data = "${template_file.node_bootstrap.rendered}"
+
+  root_block_device {
+    delete_on_termination = true
+    volume_size = "${var.disk_size}"
+  }
+
+  tags {
+    Name = "${var.name_prefix}-node-${format("%03d", count.index)}"
+    sshUser = "${var.ssh_user}"
+  }
+}

aws/vpc/main.tf

@@ -0,0 +1,102 @@
+variable name_prefix {}
+variable availability_zone {}
+
+
+resource "aws_vpc" "main" {
+  cidr_block = "10.0.0.0/16"
+  enable_dns_support = true
+  enable_dns_hostnames = true
+  tags {
+    Name = "${var.name_prefix}"
+  }
+}
+
+resource "aws_subnet" "main" {
+  vpc_id = "${aws_vpc.main.id}"
+  cidr_block = "${aws_vpc.main.cidr_block}"
+  availability_zone = "${var.availability_zone}"
+  tags {
+    Name = "${var.name_prefix}"
+  }
+}
+
+resource "aws_internet_gateway" "main" {
+  vpc_id = "${aws_vpc.main.id}"
+  tags {
+    Name = "${var.name_prefix}"
+  }
+}
+
+resource "aws_route_table" "main" {
+  vpc_id = "${aws_vpc.main.id}"
+
+  route {
+    cidr_block = "0.0.0.0/0"
+    gateway_id = "${aws_internet_gateway.main.id}"
+  }
+
+  tags {
+    Name = "${name_prefix}"
+  }
+}
+
+resource "aws_main_route_table_association" "main" {
+  vpc_id = "${aws_vpc.main.id}"
+  route_table_id = "${aws_route_table.main.id}"
+}
+
+resource "aws_route_table_association" "main" {
+  subnet_id = "${aws_subnet.main.id}"
+  route_table_id = "${aws_route_table.main.id}"
+}
+
+resource "aws_security_group" "main" {
+  name = "${var.name_prefix}"
+  description = "kubenow default security group"
+  vpc_id = "${aws_vpc.main.id}"
+
+
+  ingress { # SSH
+    from_port = 22
+    to_port = 22
+    protocol = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress { # HTTP
+    from_port = 80
+    to_port = 80
+    protocol = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress { # HTTPS
+    from_port = 443
+    to_port = 443
+    protocol = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress { # Allow ALL internal (self)
+    from_port = 0
+    to_port = 0
+    protocol = -1
+    self = true
+  }
+
+  egress { # Allow ALL outbound
+    from_port = 0
+    to_port = 0
+    protocol = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+}
+
+output "subnet_id" {
+  value = "${aws_subnet.main.id}"
+}
+
+output "security_group_id" {
+  value = "${aws_security_group.main.id}"
+}