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Ansible
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Ansible vs Salt: 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, Salt is detailed as "Fast, scalable and flexible software for data center automation". 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..

Ansible and Salt can be primarily classified as "Server Configuration and Automation" tools.

Some of the features offered by Ansible are:

  • Ansible's natural automation language allows sysadmins, developers, and IT managers to complete automation projects in hours, not weeks.
  • Ansible uses SSH by default instead of requiring agents everywhere. Avoid extra open ports, improve security, eliminate "managing the management", and reclaim CPU cycles.
  • Ansible automates app deployment, configuration management, workflow orchestration, and even cloud provisioning all from one system.

On the other hand, Salt provides the following key features:

  • Remote execution is the core function of Salt. Running pre-defined or arbitrary commands on remote hosts.
  • Salt modules are the core of remote execution. They provide functionality such as installing packages, restarting a service, running a remote command, transferring files, and infinitely more
  • Building on the remote execution core is a robust and flexible configuration management framework. Execution happens on the minions allowing effortless, simultaneous configuration of tens of thousands of hosts.

"Agentless" is the primary reason why developers consider Ansible over the competitors, whereas "Flexible" was stated as the key factor in picking Salt.

Ansible and Salt are both open source tools. It seems that Ansible with 38.2K GitHub stars and 16K forks on GitHub has more adoption than Salt with 10.1K GitHub stars and 4.59K GitHub forks.

According to the StackShare community, Ansible has a broader approval, being mentioned in 960 company stacks & 587 developers stacks; compared to Salt, which is listed in 110 company stacks and 20 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 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.
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What are some alternatives to Ansible and Salt?
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.
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.
AWS CloudFormation
You can use AWS CloudFormation’s sample templates or create your own templates to describe the AWS resources, and any associated dependencies or runtime parameters, required to run your application. You don’t need to figure out the order in which AWS services need to be provisioned or the subtleties of how to make those dependencies work.
See all alternatives
Decisions about Ansible and Salt
StackShare Editors
StackShare Editors
Salt
Salt
Puppet Labs
Puppet Labs
Ansible
Ansible

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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Marcel Kornegoor
Marcel Kornegoor
CTO at AT Computing · | 5 upvotes · 336.3K views
atAT ComputingAT Computing
Linux
Linux
Ubuntu
Ubuntu
CentOS
CentOS
Debian
Debian
Red Hat Enterprise Linux
Red Hat Enterprise Linux
Fedora
Fedora
Visual Studio Code
Visual Studio Code
Jenkins
Jenkins
VirtualBox
VirtualBox
GitHub
GitHub
Docker
Docker
Kubernetes
Kubernetes
Google Compute Engine
Google Compute Engine
Ansible
Ansible
Puppet Labs
Puppet Labs
Chef
Chef
Python
Python
#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 Salt
Review ofSaltSalt

For automating deployment or system admin tasks, Shell/Perl are more than enough. Specially Perl one liners, that I use heavily, even to make changes in xml files. But quite often the need is to just check the state of system and run scripts without fear. Thats where I actually needed some scripting language with "state mechanism" associated with it. Salt provided me above similar kind of experience. I tested salt first on a small scenario. Installation of 60 RPMS on a machine. I was pleased that I could achieve that in around 25 lines of code using salt. And eventually I was also able to keep data and code separate. This was another plus point. henceforth I was able to use salt to deploy a large potion Datacenter (apps deployment). I am still working towards orchestration and finding it quite promising. The use of pure python whenever needed to deal with more complex scenario is awesome.

How developers use Ansible and Salt
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 Refractal
Refractal uses SaltSalt

When it comes to provisioning tens to hundreds of servers, you need a tool that can handle the load, as well as being extremely customisable. Fortunately, Salt has held that gauntlet for us consistently through any kind of issue you can throw at it.

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 FAELIX
FAELIX uses SaltSalt

We've built something using SaltStack and Debian Linux to help us deploy and administer at scale the servers we provide for our part- and fully-managed hosting customers.

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.
Avatar of Runbook
Runbook uses SaltSalt

Everything is deployed via Salt. From configurations to Docker container builds.

Avatar of Aspire
Aspire uses SaltSalt

Simple configuration of vagrant for development environments.

Avatar of SAP Hybris
SAP Hybris uses SaltSalt

configuration manager and orchestrator for deployment

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