added node discovery

main/mymodules/node.lua

@@ -0,0 +1,47 @@
+local M = {}
+
+function M.node_metrics(pod_name)
+	http.request(endpoint .. "/apis/metrics.k8s.io/v1beta1/nodes", "GET", M.http_node_metrics_result, headers)
+end
+
+function M.http_node_metrics_result(self, _, response)
+	print(response.response)
+end
+
+function M.get_nodes()
+	http.request(endpoint .. "/api/v1/nodes", "GET", M.http_get_nodes_result, headers)
+end
+
+function M.http_get_nodes_result(self, _, response)
+	kubernetes_nodes = {}
+	print("Get nodes output")
+	print('/api/v1/nodes response: ' .. response.status)
+	nodes = json.decode(response.response)
+	node_items = nodes["items"]
+	node_items_size = table.getn(node_items)
+	print("Node table size: " .. node_items_size)
+	pos_x = 80
+	pos_y = 500
+	nodes_cnt = 1
+	for k, v in pairs(node_items) do
+		for k1, v2 in pairs(v) do
+			if v2["name"] then
+				print("Found k8s node: " .. v2["name"])
+				pos = vmath.vector3(pos_x, pos_y, 0) 
+				new_node = factory.create("/k8s_node#k8s_node_factory", pos)
+				table.insert(kubernetes_nodes,{ name = v2["name"], id = new_node})
+			
+				if ((nodes_cnt % 15 ) == 0) then
+					pos_y = pos_y + 100
+					pos_x = 80
+				else
+					pos_x = pos_x + 80
+				end
+				
+				nodes_cnt = nodes_cnt + 1
+			end
+		end
+	end
+end
+
+return M