Terraform vs Jenkins

• Terraform is cloud agnostic. Just select the suitable provider for the cloud and it will do the job.
• Templating is possible to make the Terraform templates reusable.
• Variables can be created to make the templates generic so that it can be reused for different environments or resources.

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• Automatic jobs: there are infinite possibilities when it comes to Jenkins. You can run code against any testing suite you can imagine or conjure up. You can deploy applications at any time anywhere, automatically with no human intervention. If a certain stage fails, it will notify the team and your sysadmin of the issue so you can resolve it as quickly as possible
• Automatic rollback: because of how Jenkins works, it can hold off publishing code and integrate locally to run QA procedures before pushing to deployment. This means that bugs are caught before your servers are updated and prevents a faulty program from affecting your downtime in the first place. Its a game changer for high availability.

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• The errors generated by the plan and preview commands are pretty cryptic, it can be hard for newcomers to the scripting language to understand how to address problems.
• Access controls around workspaces is limited which makes it harder to secure reduce the scope of teams ability.
• Analytics around user usage, applies and plans would be helpful for managemenet.

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• Once we organized a hackathon with our GitHub Storage. Jenkins was integrated at that time. We had a 20GB plan, but it oversized to 50GB. We had to bear a large sum of money which was unpredicted by our company. Being a startup we cannot bear such mistakes.
• Jenkins cannot be easily studied and managed. We have to recruit personnel part-time for managing and servicing the server.
• Though it is open source, there is no dedicated community driven forum or support. There are 3rd party discussion and support portals. Thus, we use Gitter always for debugging and solutions.

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• we are able to deploy our infrastructure in a couple of ours in an automated and repeatable way, before this could take weeks if the work was done manually and was a lot of error prone.
• having the state file, you can see a diff of what things have changed manually out side of Terraform which is a huge plus
• if state file gets corrupted, it is very hard to debug or restore it without an impact or spending hours ..
• writing big scale code can be very challenging and hard to be efficient so it's usable by the whole team

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• Low investment: As the software is open source, there is no purchase required for on-premises installations, and there is a low barrier to entry for companies offering hosted solutions. This leads to competition on price, and therefore lower prices.
• Saves time by automating manual tasks: There are often a lot of repetitive tasks that need to be done to prepare for a release, and Jenkins enables these tasks to be run easily and frequently (for example, running tasks on every pull request)
• Near-immediate returns: Spend a day or two and easily automate most common tasks. Reports are visible so that managers and team leads can keep an eye on code quality.

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