Add parent_id in pg response and some misc helper queries

misc/misc_operations.rb

@@ -34,4 +34,24 @@ class MiscOperations
   def self.update_rhizome_from_local(vm, target_folder: "lantern", user: "lantern")
     update_rhizome(vm.sshable, target_folder, user)
   end
+
+  def self.docker_logs(resource_name, tail: 10)
+    LanternResource[name: resource_name].representative_server.vm.sshable.cmd("sudo docker logs lantern-postgresql-1 --tail #{tail} -f")
+  end
+
+  def self.docker_env(resource_name)
+    LanternResource[name: resource_name].representative_server.vm.sshable.cmd("sudo cat /var/lib/lantern/.env")
+  end
+
+  def self.mem_info(resource_name)
+    LanternResource[name: resource_name].representative_server.vm.sshable.cmd("free -mh")
+  end
+
+  def self.kill_query(resource_name, pid)
+    LanternResource[name: resource_name].representative_server.run_query("SELECT pg_terminate_backend(#{pid})")
+  end
+
+  def self.task_logs(resource_name, task_name)
+    LanternResource[name: resource_name].representative_server.vm.sshable.cmd("common/bin/daemonizer --logs #{task_name}")
+  end
 end

misc/misc_queries.rb

@@ -16,4 +16,8 @@ def self.update_collation(resource)
       resource.representative_server.run_query("ALTER DATABASE #{db} REFRESH COLLATION VERSION")
     end
   end
+
+  def self.active_queries(resource_name)
+    LanternResource[name: resource_name].representative_server.run_query("SELECT pid, query FROM pg_stat_activity")
+  end
 end

serializers/api/lantern.rb

@@ -5,6 +5,7 @@ def self.base(pg)
     {
       id: pg.id,
       ubid: pg.ubid,
+      parent_id: pg.parent_id,
       path: pg.path,
       name: pg.name,
       state: pg.display_state,