Running terraform with rundeck

[Ryan Tin]

Hi there, I'm looking at a possible scenario at using rundeck with terraform. 

The biggest problem I have is trying to halt the rundeck workflow when terraform plan is finished so that the devs can decide weather to go ahead to with terraform apply. Is something like that possible with rundeck? 

[rac...@rundeck.com]

Hi Ryan,

That is a common question (a workflow waiting for user interaction) unfortunately Rundeck doesn't work in that way, but you can automate the workflow behavior depending on some step output, e.g.: capture some terraform apply string, save it on data variable, and then, in a script step execute something depending of that variable. That approach is extremely easy using the Ruleset Strategy on PagerDuty Process Automation On Prem (formerly "Rundeck Enterprise"), please take a look a this.

Additionally, I developed a community plugin for Terraform, feel free to test, use and contribute :-)

Hope it help!

[Chris Grigor]

In the job options you can have a droplist to do a plan apply or destroy. Then build logic into either a Makefile, bash script in a repo to decide what switch to pass to terraform to run.

I have found an easier way of doing this is dropping into a docker container that contains terraform (and other build tools if needed), taking the inputs from the job, executing terraform and taking the output from the container into a variable. You can then decide to alert the devs or ops teams whether to deploy the build by rerunning it with the apply option.

This way you can keep the build tools such as terraform outside of Rundeck and update as/when required, without changing the job on Rundeck and messing with updating binaries locally on Rundeck, this way you could have various containers all with different terraform versions if required.

On 27 Jul 2022, at 21:46, Ryan Tin <ryan...@workato.com> wrote:

Hi there, I'm looking at a possible scenario at using rundeck with terraform. 

The biggest problem I have is trying to halt the rundeck workflow when terraform plan is finished so that the devs can decide weather to go ahead to with terraform apply. Is something like that possible with rundeck? 

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[Ryan Tin]

This is pretty great. I'll look into both. Right now I'm just running it to demo the capabilities of rundeck, so everything is on the local machine. Eventually, I plan to either have a docker container or a separate EC2 instance specifically for tf binaries and other build tools so I don't have to mess around with it in rundeck as you said! 

Thanks all!