PLAT-6938: Run scripts with bash (#112)

Execute scripts using bash not as a command to bash.
This avoids issues with file permissions getting lost along the way.

We require the outer bash (interpreter) to split the command into separate arguments
to be passed to our script.

submodules/eks/k8s.tf

@@ -22,7 +22,7 @@ resource "terraform_data" "run_k8s_pre_setup" {
   ]
 
   provisioner "local-exec" {
-    command     = "./${module.k8s_setup[0].filename} set_k8s_auth set_eniconfig"
+    command     = "bash ./${module.k8s_setup[0].filename} set_k8s_auth set_eniconfig"
     interpreter = ["bash", "-c"]
     working_dir = module.k8s_setup[0].resources_directory
   }
@@ -38,7 +38,7 @@ resource "terraform_data" "calico_setup" {
   ]
 
   provisioner "local-exec" {
-    command     = "./${module.k8s_setup[0].filename} install_calico"
+    command     = "bash ./${module.k8s_setup[0].filename} install_calico"
     interpreter = ["bash", "-c"]
     working_dir = module.k8s_setup[0].resources_directory
   }