feat: Make disable_cache configurable (#324)

* Make disable_cache configurable

* Fix incorrectly removed variable

* missing file in commit

README.md

@@ -377,6 +377,7 @@ terraform destroy
 | runners\_pre\_build\_script | Script to execute in the pipeline just before the build, will be used in the runner config.toml | `string` | `"\"\""` | no |
 | runners\_pre\_clone\_script | Commands to be executed on the Runner before cloning the Git repository. this can be used to adjust the Git client configuration first, for example. | `string` | `"\"\""` | no |
 | runners\_privileged | Runners will run in privileged mode, will be used in the runner config.toml | `bool` | `true` | no |
+| runners\_disable\_cache | Runners will not use local cache, will be used in the runner config.toml | `bool` | `false` | no |
 | runners\_pull\_policy | pull\_policy for the runners, will be used in the runner config.toml | `string` | `"always"` | no |
 | runners\_request\_concurrency | Limit number of concurrent requests for new jobs from GitLab (default 1) | `number` | `1` | no |
 | runners\_request\_spot\_instance | Whether or not to request spot instances via docker-machine | `bool` | `true` | no |

main.tf

@@ -109,6 +109,7 @@ locals {
       runners_concurrent                = var.runners_concurrent
       runners_image                     = var.runners_image
       runners_privileged                = var.runners_privileged
+      runners_disable_cache             = var.runners_disable_cache
       runners_docker_runtime            = var.runners_docker_runtime
       runners_helper_image              = var.runners_helper_image
       runners_shm_size                  = var.runners_shm_size

template/runner-config.tpl

@@ -17,7 +17,7 @@ check_interval = 0
     tls_verify = false
     image = "${runners_image}"
     privileged = ${runners_privileged}
-    disable_cache = false
+    disable_cache = ${runners_disable_cache}
     volumes = ["/cache"${runners_additional_volumes}]
     shm_size = ${runners_shm_size}
     pull_policy = "${runners_pull_policy}"

variables.tf

@@ -165,6 +165,12 @@ variable "runners_privileged" {
   default     = true
 }
 
+variable "runners_disable_cache" {
+  description = "Runners will not use local cache, will be used in the runner config.toml"
+  type        = bool
+  default     = false
+}
+
 variable "runners_additional_volumes" {
   description = "Additional volumes that will be used in the runner config.toml, e.g Docker socket"
   type        = list(any)