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Salt
SaltSalt
Continuous DeploymentWhat 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.
Salt is a tool in the Continuous Deployment category of a tech stack.
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 moreBuilding 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.
Salt Pros & Cons
Pros of Salt
- ✓Flexible
- ✓Easy
- ✓Remote execution
- ✓Enormously flexible
- ✓Great plugin API
- ✓Python
- ✓Extensible
- ✓Scalable
- ✓nginx
- ✓Automatisation
Cons of Salt
- ✗Bloated
- ✗Dangerous
- ✗No immutable infrastructure
Salt Alternatives & Comparisons
What are some alternatives to Salt?
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.
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.
Dotenv
It is a zero-dependency module that loads environment variables from a .env file into process.env. Storing configuration in the environment separate from code is based on The Twelve-Factor App methodology.
