Packer with ansible provisioner so i went a step further and started to use packer. Immutable infrastructure using packer, ansible, and terraform. Build aws ec2 machine images ami with packer and ansible. Mar 03, 2020 builders tell packer how to build the system image according to their type and where to store it, while provisioners contain sets of actions packer should perform on the system before turning it into an immutable image, such as installing or configuring software. First off, thanks a billion for such an amazing tool. I do have a quick question about the uploading of playbook paths as i am seeing some odd behavior. It dynamically creates an ansible inventory file configured to use ssh, runs an ssh server, executes. The software stack used for building and testing these images in our current workflow consists of vagrant for development, packer for actual image generation and a series of shell scripts for provisioning.
Publishing to a shared image gallery azure citadel. Only the provisioners that are valid for a given operation will be run. We use provisioners and packer templates to do the actual work to create the final image. Packer is executed and the procedure of ec2 image creation and operation confirmation is described. We use terraform to provision our servers and then ansible on instances for configuration management. Agentless is the top reason why over 251 developers like ansible, while over 24 developers mention cross. Using packer and ansible to build immutable infrastructure rollout. In fact, our iso builder is an ansible playbook that calls several ansible roles. And kelseyhightower, wonderful work on the ansible provisioner. Packer support various builders like ec2, vmware, virtual box etc and it can be expanded to various other new products and technologies. The shell script provisioners seem to be working, but, while the playbook runs and seems to succeed, unlike the shell.
Using packer and ansible, a simple bash script wrapper can be responsible to build, provision and deploy amis into your aws infrastructure. Best practices with packer and windows matthew hodgkins. It can be used not only to build container image but vm images for cloud providers like aws and gcp. Packer and terraform, also developed by hashicorp, can be used together to create and deploy images of vault. Building vm images with ansible and packer jeff geerling. May 08, 2014 new software needs to be installed, packages upgraded, old software versions removed. This is where the provisioner to be used by packer is specified.
The ansiblelocal packer provisioner will run ansible in ansibles local mode on the remoteguest vm using playbook and role files that exist on the guest vm. Download the binary from the releases page and put it in the same directory as your packer executable use the provisioner from your packer template file, e. Using packer and ansible to build immutable infrastructure. The goal of this tutorial is to get a packer template together that will build a docker image using ansible to provision it.
Provisioners are used to execute scripts on a local or remote machine as part of resource creation or destruction. Continuous deployment of golden images with packer and. Provisioners can be used to bootstrap a resource, cleanup before destroy, run configuration management, etc. On the spinnaker server, the packer templates are located in optroscoconfigpacker. As a trendy software engineer, i use docker because its a nice way to try software without environment setup hassle. Packer launches a base instance using the builder, applies the configuration changes specified on the provisioners, and then takes an image. How to create windows vm images with packer in azure azure. I will assume some base knowledge of packer for this guide. It lets you automate the process of image creation on various onpremise and cloud solutions. Packer works with tools like ansible to install software while creating images. There are two different provisioners in packer that run ansible.
Builders tell packer how to build the system image according to their type and where to store it, while provisioners contain sets of actions packer should perform on the system before turning it into an immutable image, such as installing or configuring software. Chocolatey is software management automation for windows that wraps installers, executables, zips, and scripts into compiled packages. This article lists some tips and tricks on how to use packer and ansible with the base aws linux ami. Packer supports many use cases, but there are two key areas. Provisioners use builtin and thirdparty software to install and configure the machine image after booting. Packer can even build images for multiple providers using multiple provisioners like shell scripts, ansible playbooks, salt states, chef. Examples of provisioners are ansible, chef, shell, powershell, etc. Packer handles the creation of the vm and packaging as an ami, ansible handles the configuration of the virtual machine. This is a packer plugin for installing windows updates akin to rglvagrantwindowsupdate nb this was only tested with packer 1. Building custom machine images with ansible and packer on gcp. Oct 22, 2018 packer is not a replacement of configuration management tools like ansible. This is why the majority of the setup is actually done in the provisioning stage with ansible. Packer uses a configuration file to create a machine image. Since well probably find ourselves changing this often, lets add a shelllocal provisioner to packer under the provisioners section to run ansiblegalaxy all the time as the first step.
Using packer to create windows images blogging for logging. Packer tutorial for beginners automate ami creation. How to create windows vm images with packer in azure. Chocolatey is trusted by businesses to manage software deployments.
I am trying to provision a machine built with packer, using its ansible provisioner provisioning fails to find some roles which i have set in my custom g file as follows. Contribute to bhcleekpackerprovisioneransible development by creating an account. New software needs to be installed, packages upgraded, old software versions removed. The ansible packer provisioner runs ansible playbooks. In fact, when building images, packer is able to use tools like ansible or chef to install software. If you are just getting started with it, i recommend matt wrocks blog post titled creating windows base images using packer and boxstarter. Ansible connects to this server and will validate the identity of the. Ive tried using ansible, but it still seems to be using this user in some capacity and thus the ansible playbook cannot actually remove it without failing saying that there programs still running as the given user. Contribute to mnegipackerprovisioneransiblelocal development by creating an. You can use packer to create an image that contains all the dependencies, monitoring software, and security patches required to run one or all your applications. Packer uses the concepts of builders to spin up an instance, run provisioners to configure applications or services. Ansible runs playbooks on localhost inside docker container. It automates all software installation, package management, and configuration on our aws ec2 hosts.
Packer has a a few concepts, but the key ones are builders and provisioners. This article is meant demonstrate one possible way of integrating packer, ansible and terraform. It dynamically creates an ansible inventory file configured to use ssh, runs an ssh server, executes ansibleplaybook, and marshals ansible plays through the ssh server to the machine being provisioned by packer. Each virtual machine vm in azure is created from an image that defines the windows distribution and os version. Provisioners these are the list of builtin or external configuration on management tools like shell, ansible, chef, powershell etc. Yes, ansible is open source, extendable, well documented, both in terms of official documentation and online resources, and with a large community of users and contributors.
But by using the provisioning systems builtin to vagrant. The opinions expressed here are my own and not necessarily those of my employer. But as an sredevops kinda guy i also create my own images for ci environment, for experimenting and sometimes even for production. Execute packer to create ec2 image launch vm from ec2 image created with packer check operation of nginx installed with packers provisioners using ansible with provisioners environment to run packer. Provisioner connection settings terraform by hashicorp. For more complex provisioning we can use a tool like ansible. Im an experienced developer who gets things done in the best way using the best tools for the job.
How to use packer to create windows virtual machine images in azure. How to create digitalocean snapshots using packer on ubuntu. Building docker image with packer and provisioning with ansible. Arquitectura en aws con terraform, packer, ansible y dsc. It will install specific versions of redis and nginx and then stop those services. It reads super easily except for the quoting and the weird forward slashes on the paths but, you can write out scripts on your local disk and invoke those, yet is remarkably powerful. This worked fine for the last years, but as our team grows and more people are making changes to the scripts, this can easily get out of hand and become confusing. This helps in creating identical servers in case things go wrong.
Infrastructure as code with packer, ansible and terraform. Packer can even build images for multiple providers using multiple provisioners like shell scripts, ansible playbooks, salt states, chef cookbooks, puppet manifests or other popular provisioners, all with one set of configuration and instructions. Of course, if you want to just use vagrant ssh and install the software by hand, that works. Im involved in many open source development communities like drupal and ansible. Oct 29, 2018 packer helps bake configuration into the machine image during image creation time. Immutable infrastructure using packer, ansible, and terraform itnext. Packer is a tool specifically built for creating of machine images. Mar 02, 2017 how to build a hashicorp vault server using packer and terraform on digitalocean quickstart vault, by hashicorp, is an opensource tool for securely storing secrets and sensitive data in dynamic cloud environments. I develop websites and native desktop and mobile applications. I do have a quick question about the uploading of playbook paths as i. Within the template, the provisioners section contains an array of all the provisioners that packer should use to install and configure software within running machines prior to turning them into machine images. Packer with ansible provisioners windows 2016 ami creation. The software stack used for building and testing these images in our current workflow consists of vagrant for development, packer for actual image generation and a series of shell scripts for. If you are setting up an immutable infrastructure model using vms, packer is a right fit for you.
Dec 30, 2016 the goal of this tutorial is to get a packer template together that will build a docker image using ansible to provision it. When building modern software applications we often follow mvc pattern. Ansible remote configures the booted machine using ssh, so no ansible packages needed in the booted machine. It uses the concepts of builders to spin up an instance, run provisioners. Ansible was created by red hat as a configuration management tool. Nov 23, 2017 this is why the majority of the setup is actually done in the provisioning stage with ansible. Packer provisioners ansible remote ansible remote is a provisioner that uses ansible playbooks to provision the booted machine.
The first one is building base images for your application infrastructure. In this post, we are going to bake an ami using packer and do configuration using ansible during the baking process. Provisioning provisioners in vagrant allow you to automatically install software, alter configurations, and more on the machine as part of the vagrant up process this is useful since boxes typically are not built perfectly for your use case. It uses the concepts of builders to spin up an instance, run provisioners to configure applications or services. Packer installs and configures all the software for a machine at the time the image is built. Ansible remote provisioning not working in docker container. Sep 20, 2019 once all the prerequisite software are installed, proceed to the next sections. However, packer runs all of the provisioners as this user. Multiple provisioners are executed in the order theyre defined in the configuration file. This article is meant demonstrate one possible way of. Once packer detects that winrm is up and running, it knows that the build stage is complete and moves on to the provisioners component. When creating packer templates, create builds in a step by step process.
A connection block nested directly within a resource affects all of that resources provisioners a connection block nested in a provisioner block only affects that provisioner, and overrides any resourcelevel connection settings one use case for providing multiple connections is to. This is the intersection of spinnaker, ansible and packer. If there are bugs in these scripts, theyll be caught early, rather than several minutes after a machine is launched. Connection blocks dont take a block label, and can be nested within either a resource or a provisioner. Finally, the post provisioners are run to perform any final tasks. How to build a hashicorp vault server using packer and. With that in mind, were going start by first dipping our toes into packer and use the docker builder, the local shell provisioner and finally a docker postprocessor to export docker image with a single file added to. You may also mix and match creation and destruction provisioners. Mar 02, 2020 packer support various builders like ec2, vmware, virtual box etc and it can be expanded to various other new products and technologies. Chris introduces the workflow for packer, which consists of a builder, one or more provisioners, and zero or many post provisioners. Cookbooks can be uploaded from your local machine to the remote machine or remote paths can be used. Provisioning fails to find some roles which i have set in my custom ansible. Packer is used to build image from a base image, perform provisions and store commit the final image.
In fact, when building images, packer is able to use tools like ansible or chef to install software onto the image. Packer is not a replacement of configuration management tools like ansible. Packer helps bake configuration into the machine image during image creation time. Packer does not replace configuration management like ansible or chef. I have a packer template to start with a docker container and provision it. Build docker images with packer and ansible james carr. Building docker image with packer and provisioning with. The first is the most common, and the one well use first. I am trying to provision a machine built with packer, using its ansible provisioner. Without any provisioners, you would end up with an untouched base system image. For information on an individual provisioner, choose it from the sidebar. Continuous deploy with immutable infrastructure requires an automatic and robust workflow for building virtual machines. Jan 08, 2018 packer does not replace configuration management like ansible or chef.
We will use a simple java web application war for demonstration. If you are new to packer, please read my blog on packer here. Hclcdr changed the title packer with ansible provisioners windows 2016 ami creation on aws authentication or permission failure packer with ansible provisioners windows 2016 ami creation on aws failed to connect to the host via ssh. Builders are the target environments for your image output, like ami, azurerm, vmware, virtualbox, docker, digital ocean, etc. In this tutorial, we will consider an example, which builds an ami using packer and ansible.
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