runtime: resource limits (kubernetes implementation) (#1931)

* runtime: add resource limit CreateOptions

* util/kubernetes/client: implement support for resource limits

* runtime/kubernetes: set resource limits for k8s deployments

* util/kubernetes: remove template check for ints

* util/kubernetes: fix incorrect yaml syntax

* runtime/kubernetes: fix incorrect units

* runtime: update create options to use Resources struct

runtime/options.go

@@ -84,6 +84,8 @@ type CreateOptions struct {
 	Context context.Context
 	// Secrets to use
 	Secrets map[string]string
+	// Resources to allocate the service
+	Resources *Resources
 }
 
 // ReadOptions queries runtime services
@@ -176,6 +178,13 @@ func WithOutput(out io.Writer) CreateOption {
 	}
 }
 
+// ResourceLimits sets the resources for the service to use
+func ResourceLimits(r *Resources) CreateOption {
+	return func(o *CreateOptions) {
+		o.Resources = r
+	}
+}
+
 // ReadService returns services with the given name
 func ReadService(service string) ReadOption {
 	return func(o *ReadOptions) {