jenkins-packer-demo

jenkins-packer-demo/cloudinit.tf

@@ -0,0 +1,20 @@
+provider "cloudinit" {}
+
+data "template_file" "jenkins-init" {
+  template = "${file("scripts/jenkins-init.sh")}"
+  vars {
+    DEVICE = "${var.INSTANCE_DEVICE_NAME}"
+    JENKINS_VERSION = "${var.JENKINS_VERSION}"
+  }
+}
+data "template_cloudinit_config" "cloudinit-jenkins" {
+
+  gzip = false
+  base64_encode = false
+
+  part {
+    content_type = "text/x-shellscript"
+    content      = "${data.template_file.jenkins-init.rendered}"
+  }
+
+}

jenkins-packer-demo/instance.tf

@@ -0,0 +1,33 @@
+resource "aws_instance" "jenkins-instance" {
+  ami           = "${lookup(var.AMIS, var.AWS_REGION)}"
+  instance_type = "t2.small"
+
+  # the VPC subnet
+  subnet_id = "${aws_subnet.main-public-1.id}"
+
+  # the security group
+  vpc_security_group_ids = ["${aws_security_group.jenkins-securitygroup.id}"]
+
+  # the public SSH key
+  key_name = "${aws_key_pair.mykeypair.key_name}"
+
+  # user data
+  user_data = "${data.template_cloudinit_config.cloudinit-jenkins.rendered}"
+
+}
+
+resource "aws_ebs_volume" "jenkins-data" {
+    availability_zone = "eu-west-1a"
+    size = 20
+    type = "gp2" 
+    tags {
+        Name = "jenkins-data"
+    }
+}
+
+resource "aws_volume_attachment" "jenkins-data-attachment" {
+  device_name = "${var.INSTANCE_DEVICE_NAME}"
+  volume_id = "${aws_ebs_volume.jenkins-data.id}"
+  instance_id = "${aws_instance.jenkins-instance.id}"
+}
+

jenkins-packer-demo/key.tf

@@ -0,0 +1,4 @@
+resource "aws_key_pair" "mykeypair" {
+  key_name = "mykeypair"
+  public_key = "${file("${var.PATH_TO_PUBLIC_KEY}")}"
+}

jenkins-packer-demo/provider.tf

@@ -0,0 +1,3 @@
+provider "aws" { 
+    region = "${var.AWS_REGION}"
+}

jenkins-packer-demo/scripts/install_software.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+apt-get update
+apt-get install -y nginx docker.io vim lvm2

jenkins-packer-demo/scripts/jenkins-init.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+vgchange -ay
+
+DEVICE_FS=`blkid -o value -s TYPE ${DEVICE}`
+if [ "`echo -n $DEVICE_FS`" == "" ] ; then 
+	pvcreate ${DEVICE}
+	vgcreate data ${DEVICE}
+	lvcreate --name volume1 -l 100%FREE data
+	mkfs.ext4 /dev/data/volume1
+fi
+mkdir -p /data
+echo '/dev/data/volume1 /data ext4 defaults 0 0' >> /etc/fstab
+mount /data
+
+cd /tmp
+wget http://pkg.jenkins-ci.org/debian-stable/binary/${JENKINS_VERSION}
+dpkg -i ${JENKINS_VERSION}
+rm ${JENKINS_VERSION}

jenkins-packer-demo/securitygroup.tf

@@ -0,0 +1,21 @@
+resource "aws_security_group" "jenkins-securitygroup" {
+  vpc_id = "${aws_vpc.main.id}"
+  name = "allow-ssh"
+  description = "security group that allows ssh and all egress traffic"
+  egress {
+      from_port = 0
+      to_port = 0
+      protocol = "-1"
+      cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+      from_port = 22
+      to_port = 22
+      protocol = "tcp"
+      cidr_blocks = ["0.0.0.0/0"]
+  } 
+tags {
+    Name = "jenkins-securitygroup"
+  }
+}

jenkins-packer-demo/vars.tf

@@ -0,0 +1,23 @@
+variable "AWS_REGION" {
+  default = "eu-west-1"
+}
+variable "PATH_TO_PRIVATE_KEY" {
+  default = "mykey"
+}
+variable "PATH_TO_PUBLIC_KEY" {
+  default = "mykey.pub"
+}
+variable "AMIS" {
+  type = "map"
+  default = {
+    us-east-1 = "ami-13be557e"
+    us-west-2 = "ami-06b94666"
+    eu-west-1 = "ami-844e0bf7"
+  }
+}
+variable "INSTANCE_DEVICE_NAME" {
+  default = "/dev/xvdh"
+}
+variable "JENKINS_VERSION" {
+  default = "jenkins_2.7.4_all.deb"
+}

jenkins-packer-demo/vpc.tf

@@ -0,0 +1,110 @@
+# Internet VPC
+resource "aws_vpc" "main" {
+    cidr_block = "10.0.0.0/16"
+    instance_tenancy = "default"
+    enable_dns_support = "true"
+    enable_dns_hostnames = "true"
+    enable_classiclink = "false"
+    tags {
+        Name = "main"
+    }
+}
+
+
+# Subnets
+resource "aws_subnet" "main-public-1" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.1.0/24"
+    map_public_ip_on_launch = "true"
+    availability_zone = "eu-west-1a"
+
+    tags {
+        Name = "main-public-1"
+    }
+}
+resource "aws_subnet" "main-public-2" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.2.0/24"
+    map_public_ip_on_launch = "true"
+    availability_zone = "eu-west-1b"
+
+    tags {
+        Name = "main-public-2"
+    }
+}
+resource "aws_subnet" "main-public-3" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.3.0/24"
+    map_public_ip_on_launch = "true"
+    availability_zone = "eu-west-1c"
+
+    tags {
+        Name = "main-public-3"
+    }
+}
+resource "aws_subnet" "main-private-1" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.4.0/24"
+    map_public_ip_on_launch = "false"
+    availability_zone = "eu-west-1a"
+
+    tags {
+        Name = "main-private-1"
+    }
+}
+resource "aws_subnet" "main-private-2" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.5.0/24"
+    map_public_ip_on_launch = "false"
+    availability_zone = "eu-west-1b"
+
+    tags {
+        Name = "main-private-2"
+    }
+}
+resource "aws_subnet" "main-private-3" {
+    vpc_id = "${aws_vpc.main.id}"
+    cidr_block = "10.0.6.0/24"
+    map_public_ip_on_launch = "false"
+    availability_zone = "eu-west-1c"
+
+    tags {
+        Name = "main-private-3"
+    }
+}
+
+# Internet GW
+resource "aws_internet_gateway" "main-gw" {
+    vpc_id = "${aws_vpc.main.id}"
+
+    tags {
+        Name = "main"
+    }
+}
+
+# route tables
+resource "aws_route_table" "main-public" {
+    vpc_id = "${aws_vpc.main.id}"
+    route {
+        cidr_block = "0.0.0.0/0"
+        gateway_id = "${aws_internet_gateway.main-gw.id}"
+    }
+
+    tags {
+        Name = "main-public-1"
+    }
+}
+
+# route associations public
+resource "aws_route_table_association" "main-public-1-a" {
+    subnet_id = "${aws_subnet.main-public-1.id}"
+    route_table_id = "${aws_route_table.main-public.id}"
+}
+resource "aws_route_table_association" "main-public-2-a" {
+    subnet_id = "${aws_subnet.main-public-2.id}"
+    route_table_id = "${aws_route_table.main-public.id}"
+}
+resource "aws_route_table_association" "main-public-3-a" {
+    subnet_id = "${aws_subnet.main-public-3.id}"
+    route_table_id = "${aws_route_table.main-public.id}"
+}