Ansible vs Docker Swarm

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Ansible
Ansible

5.1K
3.6K
+ 1
1.2K
Docker Swarm
Docker Swarm

427
412
+ 1
207
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Ansible vs Docker Swarm: What are the differences?

Developers describe Ansible as "Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine". Ansible is an IT automation tool. It can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployments or zero downtime rolling updates. Ansible’s goals are foremost those of simplicity and maximum ease of use. On the other hand, Docker Swarm is detailed as "Native clustering for Docker. Turn a pool of Docker hosts into a single, virtual host". Swarm serves the standard Docker API, so any tool which already communicates with a Docker daemon can use Swarm to transparently scale to multiple hosts: Dokku, Compose, Krane, Deis, DockerUI, Shipyard, Drone, Jenkins... and, of course, the Docker client itself.

Ansible and Docker Swarm are primarily classified as "Server Configuration and Automation" and "Container" tools respectively.

"Agentless" is the top reason why over 251 developers like Ansible, while over 43 developers mention "Docker friendly" as the leading cause for choosing Docker Swarm.

Ansible and Docker Swarm are both open source tools. It seems that Ansible with 37.8K GitHub stars and 15.8K forks on GitHub has more adoption than Docker Swarm with 5.61K GitHub stars and 1.11K GitHub forks.

According to the StackShare community, Ansible has a broader approval, being mentioned in 955 company stacks & 578 developers stacks; compared to Docker Swarm, which is listed in 80 company stacks and 38 developer stacks.

What is Ansible?

Ansible is an IT automation tool. It can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployments or zero downtime rolling updates. Ansible’s goals are foremost those of simplicity and maximum ease of use.

What is Docker Swarm?

Swarm serves the standard Docker API, so any tool which already communicates with a Docker daemon can use Swarm to transparently scale to multiple hosts: Dokku, Compose, Krane, Deis, DockerUI, Shipyard, Drone, Jenkins... and, of course, the Docker client itself.
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What are some alternatives to Ansible and Docker Swarm?
Puppet Labs
Puppet is an automated administrative engine for your Linux, Unix, and Windows systems and performs administrative tasks (such as adding users, installing packages, and updating server configurations) based on a centralized specification.
Chef
Chef enables you to manage and scale cloud infrastructure with no downtime or interruptions. Freely move applications and configurations from one cloud to another. Chef is integrated with all major cloud providers including Amazon EC2, VMWare, IBM Smartcloud, Rackspace, OpenStack, Windows Azure, HP Cloud, Google Compute Engine, Joyent Cloud and others.
Salt
Salt is a new approach to infrastructure management. Easy enough to get running in minutes, scalable enough to manage tens of thousands of servers, and fast enough to communicate with them in seconds. Salt delivers a dynamic communication bus for infrastructures that can be used for orchestration, remote execution, configuration management and much more.
Terraform
With Terraform, you describe your complete infrastructure as code, even as it spans multiple service providers. Your servers may come from AWS, your DNS may come from CloudFlare, and your database may come from Heroku. Terraform will build all these resources across all these providers in parallel.
Jenkins
In a nutshell Jenkins CI is the leading open-source continuous integration server. Built with Java, it provides over 300 plugins to support building and testing virtually any project.
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Decisions about Ansible and Docker Swarm
StackShare Editors
StackShare Editors
Ansible
Ansible
Puppet Labs
Puppet Labs
Salt
Salt

By 2014, the DevOps team at Lyft decided to port their infrastructure code from Puppet to Salt. At that point, the Puppet code based included around "10,000 lines of spaghetti-code,” which was unfamiliar and challenging to the relatively new members of the DevOps team.

“The DevOps team felt that the Puppet infrastructure was too difficult to pick up quickly and would be impossible to introduce to [their] developers as the tool they’d use to manage their own services.”

To determine a path forward, the team assessed both Ansible and Salt, exploring four key areas: simplicity/ease of use, maturity, performance, and community.

They found that “Salt’s execution and state module support is more mature than Ansible’s, overall,” and that “Salt was faster than Ansible for state/playbook runs.” And while both have high levels of community support, Salt exceeded expectations in terms of friendless and responsiveness to opened issues.

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Yshay Yaacobi
Yshay Yaacobi
Software Engineer · | 27 upvotes · 273.4K views
atSolutoSoluto
Docker Swarm
Docker Swarm
Kubernetes
Kubernetes
Visual Studio Code
Visual Studio Code
Go
Go
TypeScript
TypeScript
JavaScript
JavaScript
C#
C#
F#
F#
.NET
.NET

Our first experience with .NET core was when we developed our OSS feature management platform - Tweek (https://github.com/soluto/tweek). We wanted to create a solution that is able to run anywhere (super important for OSS), has excellent performance characteristics and can fit in a multi-container architecture. We decided to implement our rule engine processor in F# , our main service was implemented in C# and other components were built using JavaScript / TypeScript and Go.

Visual Studio Code worked really well for us as well, it worked well with all our polyglot services and the .Net core integration had great cross-platform developer experience (to be fair, F# was a bit trickier) - actually, each of our team members used a different OS (Ubuntu, macos, windows). Our production deployment ran for a time on Docker Swarm until we've decided to adopt Kubernetes with almost seamless migration process.

After our positive experience of running .Net core workloads in containers and developing Tweek's .Net services on non-windows machines, C# had gained back some of its popularity (originally lost to Node.js), and other teams have been using it for developing microservices, k8s sidecars (like https://github.com/Soluto/airbag), cli tools, serverless functions and other projects...

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Marcel Kornegoor
Marcel Kornegoor
CTO at AT Computing · | 5 upvotes · 95.5K views
atAT ComputingAT Computing
Python
Python
Chef
Chef
Puppet Labs
Puppet Labs
Ansible
Ansible
Google Compute Engine
Google Compute Engine
Kubernetes
Kubernetes
Docker
Docker
GitHub
GitHub
VirtualBox
VirtualBox
Jenkins
Jenkins
Visual Studio Code
Visual Studio Code
Fedora
Fedora
Red Hat Enterprise Linux
Red Hat Enterprise Linux
Debian
Debian
CentOS
CentOS
Ubuntu
Ubuntu
Linux
Linux
#ATComputing

Since #ATComputing is a vendor independent Linux and open source specialist, we do not have a favorite Linux distribution. We mainly use Ubuntu , Centos Debian , Red Hat Enterprise Linux and Fedora during our daily work. These are also the distributions we see most often used in our customers environments.

For our #ci/cd training, we use an open source pipeline that is build around Visual Studio Code , Jenkins , VirtualBox , GitHub , Docker Kubernetes and Google Compute Engine.

For #ServerConfigurationAndAutomation, we have embraced and contributed to Ansible mainly because it is not only flexible and powerful, but also straightforward and easier to learn than some other (open source) solutions. On the other hand: we are not affraid of Puppet Labs and Chef either.

Currently, our most popular #programming #Language course is Python . The reason Python is so popular has to do with it's versatility, but also with its low complexity. This helps sysadmins to write scripts or simple programs to make their job less repetitive and automating things more fun. Python is also widely used to communicate with (REST) API's and for data analysis.

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Interest over time
Reviews of Ansible and Docker Swarm
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How developers use Ansible and Docker Swarm
Avatar of Cloudcraft
Cloudcraft uses AnsibleAnsible

Ansible is the deployment tool for people who don't like deployment tools. It's close to scripting, doesn't pollute your servers with agents or centralized servers, and just makes immediate sense. The entire stack at Cloudcraft.co is orchestrated by Ansible. What does that mean? Beyond the obvious of installing packages and configuring services, Ansible coordinates all the machines into a working deployment: It adds API servers to the loadbancer pool, opens ports on the DB server for the backend servers to connect, gracefully upgrades services in a rolling fashion for zero-downtime deployments etc. And it's so easy to use, it's easier to use than doing things by hand, meaning it's a deployment tool you'll actually use every time!

Avatar of Scrayos UG (haftungsbeschränkt)
Scrayos UG (haftungsbeschränkt) uses AnsibleAnsible

We use Ansible to synchronize the few configuration-options we've taken on our CoreOS-Machines. This makes deployment even easier and the fact that it's Agentless made the decision even easier.

Avatar of Bob P
Bob P uses AnsibleAnsible

Ansible is used in both the development and production deployment process. A playbook couple with a Vagrantfile, easy deploys a local virtual machine that will mirror the setup in production.

Avatar of sapslaj
sapslaj uses AnsibleAnsible

I use Ansible to manage the configuration between all of the different pieces of equipment, and because it's agentless I can even manage things like networking devices all from one repo.

Avatar of Bùi Thanh
Bùi Thanh uses AnsibleAnsible
  • Configuration management:
    • deploy/install all web/app environments
    • simple with Galaxy and playbooks.
  • No need any pre-installed agent on remote servers.
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