Query: compute_instances_for_kubernetes_cluster

select
  i.id::text || '/' || i.project as instance_id
from
  gcp_kubernetes_node_pool p,
  gcp_compute_instance_group g,
  gcp_kubernetes_cluster c,
  jsonb_array_elements_text(p.instance_group_urls) ig,
  jsonb_array_elements(g.instances) g_ins,
  gcp_compute_instance i
where
  p.cluster_name = c.name
  and c.project = p.project
  and split_part(ig, 'instanceGroupManagers/', 2) = g.name
  and g.project = p.project
  and i.self_link = (g_ins ->> 'instance')
  and c.id = split_part($1, '/', 1);