Difference between revisions of "Infrastructure as code"
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| Line 12: | Line 12: | ||
! [[Ansible]] | ! [[Ansible]] | ||
| [[RedHat]] | | [[RedHat]] | ||
| 2012 | |||
| Push | | Push | ||
| Declarative and imperative | | Declarative and imperative | ||
| Line 19: | Line 19: | ||
![[CFEngine]] | ![[CFEngine]] | ||
|CFEngine | |CFEngine | ||
| 1993 | |||
|Pull | |Pull | ||
|Declarative | |Declarative | ||
| Line 27: | Line 27: | ||
![[Chef (software)|Chef]] | ![[Chef (software)|Chef]] | ||
|Chef | |Chef | ||
| 2009 | |||
|Pull | |Pull | ||
|Imperative | |Imperative | ||
| Line 41: | Line 41: | ||
! Pulumi | ! Pulumi | ||
|Pulumi | |Pulumi | ||
| 2017 | |||
| Push | | Push | ||
| Declarative and imperative | | Declarative and imperative | ||
| Line 48: | Line 48: | ||
![[Puppet (software)|Puppet]] | ![[Puppet (software)|Puppet]] | ||
|Puppet | |Puppet | ||
| 2005 | |||
|Pull | |Pull | ||
|Declarative | |Declarative | ||
| Line 55: | Line 55: | ||
![[SaltStack]] | ![[SaltStack]] | ||
|SaltStack | |SaltStack | ||
| 2011 | |||
|Push and Pull | |Push and Pull | ||
|Declarative and imperative | |Declarative and imperative | ||
| Line 62: | Line 62: | ||
! [[Terraform]] | ! [[Terraform]] | ||
| [[HashiCorp]] | | [[HashiCorp]] | ||
| 2014 | |||
| Push | | Push | ||
| Declarative | | Declarative | ||
Revision as of 07:19, 5 August 2021
Infrastructure as code(IaC) is a way to use source code, or formatted scripts, to define and manage the process of deploying and managing computer networks. The two popular camps for realizing this vision are imperative and declarative camps.
IaC is often mentioned in the automation practices in the context of DevOps. It is also known as a CCA, which stands for Continuous configuration automation.
Notable CCA Implementations
The two camps have their popular implementations. For imperative IaC, many uses Ansible as an example. For declarative IaC,Terraform is often mentioned.
Notable CCA tools include:
| Tool | Released by | Initial release | Method | Approach | Written in |
|---|---|---|---|---|---|
| Ansible | RedHat | 2012 | Push | Declarative and imperative | Python |
| CFEngine | CFEngine | 1993 | Pull | Declarative | C[1] |
| Chef | Chef | 2009 | Pull | Imperative | Ruby |
| Otter | Inedo | - | Push | Declarative and imperative | - |
| Pulumi | Pulumi | 2017 | Push | Declarative and imperative | TypeScript, Python, Go, C |
| Puppet | Puppet | 2005 | Pull | Declarative | C++, Clojure since 4.0, Ruby |
| SaltStack | SaltStack | 2011 | Push and Pull | Declarative and imperative | Python |
| Terraform | HashiCorp | 2014 | Push | Declarative | Go |