mirror of
https://github.com/lucky-sideburn/kubeinvaders.git
synced 2026-09-05 00:57:15 +00:00
109 lines
3.2 KiB
Lua
109 lines
3.2 KiB
Lua
local M = {}
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function M.node_metrics(pod_name)
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http.request(endpoint .. "/apis/metrics.k8s.io/v1beta1/nodes", "GET", M.http_node_metrics_result, headers)
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end
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function M.deploy_chaos_node(node_name)
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print("Call OpenResty endpoint for deploy chaos-node")
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http.request(chaos_node_url .. "?namespace=" .. namespace .. "&node_name=".. node_name .. "&token=" .. token .. "&k8s_url=" .. endpoint, "GET", M.deploy_chaos_node_result,headers)
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print("waiting for a response...")
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end
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function M.deploy_chaos_node_result(self, _, response)
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print("Deploy Chaos Node output")
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print(response.status)
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print(response.response)
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print(response.headers)
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end
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function M.http_node_metrics_result(self, _, response)
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print(response.response)
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end
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function M.get_nodes()
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current_time = os.clock()
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worker_diff_time = current_time - latest_kubernetes_nodes_request_show
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if worker_diff_time > 0.05 then
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kubernetes_nodes_size = table.getn(kubernetes_nodes)
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if kubernetes_nodes_size == 0 and not kubernetes_nodes_request_show then
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print("Show kubernetes nodes...")
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http.request(endpoint .. "/api/v1/nodes", "GET", M.http_get_nodes_result, headers)
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kubernetes_nodes_request_show = true
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else
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print("Kubernetes nodes already present...")
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for k,v in ipairs(kubernetes_nodes) do
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go.delete(v["id"])
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end
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kubernetes_nodes_request_show = false
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kubernetes_nodes = {}
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end
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latest_kubernetes_nodes_request_show = os.clock()
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end
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end
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function M.http_get_nodes_result(self, _, response)
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kubernetes_nodes = {}
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local kubernetes_nodes_temp = {}
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local nodes = json.decode(response.response)
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local node_items = nodes["items"]
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local node_items_size = table.getn(node_items)
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local pos_x = 300
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local pos_y = 500
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local nodes_cnt = 1
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local master = false
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print("Get nodes output")
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print('/api/v1/nodes response: ' .. response.status)
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print("Node table size: " .. node_items_size)
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nodes_cnt = 1
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for k, v in pairs(node_items) do
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for k1, v2 in pairs(v) do
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if v2["name"] then
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for k3, v3 in pairs(v2["labels"]) do
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if k3 == "node-role.kubernetes.io/master" then
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master = true
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end
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end
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if not master then
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table.insert(kubernetes_nodes_temp,{ name = v2["name"], id = '' })
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end
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master = false
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end
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end
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end
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local node_deleted = 1
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if table.getn(kubernetes_nodes_temp) > max_nodes then
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print("Nodes number are greater than the max_nodes. Going to to select randomly " .. max_nodes .. " nodes")
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while (table.getn(kubernetes_nodes_temp) > max_nodes) do
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math.randomseed(os.clock()*100000000000)
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local interval = max_nodes - node_deleted
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table.remove(kubernetes_nodes_temp,math.random(1,interval))
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node_deleted = node_deleted + 1
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end
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print("New size of kubernetes_nodes table is " .. table.getn(kubernetes_nodes_temp))
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end
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kubernetes_nodes = kubernetes_nodes_temp
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for k1, v2 in pairs(kubernetes_nodes) do
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if v2["name"] then
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print("Found k8s node: " .. v2["name"])
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pos = vmath.vector3(pos_x, pos_y, 0)
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new_node = factory.create("/k8s_node#k8s_node_factory", pos)
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kubernetes_nodes[k1] = { name = v2["name"], id = new_node }
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if ((nodes_cnt % 15 ) == 0) then
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pos_y = pos_y + 200
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pos_x = 300
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else
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pos_x = pos_x + 80
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end
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nodes_cnt = nodes_cnt + 1
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end
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end
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end
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return M |