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Hornwitser
b742291131
When the slave metrics request takes more than 10 seconds the response to the /metrics endpoint ends up being discarded by Prometheus which defaults to a timeout of 10 seconds. Fix by ignoring slaves that take longer than 8 seconds to respond to the metrics request.
46 lines
1.6 KiB
JavaScript
46 lines
1.6 KiB
JavaScript
"use strict";
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const assert = require("assert").strict;
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const hrtime = process.hrtime.bigint;
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const libHelpers = require("@clusterio/lib/helpers");
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describe("lib/helpers", function() {
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describe("basicType()", function() {
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it("should return the expected values", function() {
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assert.equal(libHelpers.basicType("s"), "string");
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assert.equal(libHelpers.basicType(null), "null");
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assert.equal(libHelpers.basicType(undefined), "undefined");
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assert.equal(libHelpers.basicType([1, 2]), "array");
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assert.equal(libHelpers.basicType(7), "number");
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assert.equal(libHelpers.basicType({ a: 1 }), "object");
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});
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});
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describe("wait", function() {
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it("should wait the approximate amount of time given", async function() {
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let startNs = hrtime();
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await libHelpers.wait(100);
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let duration = Number(hrtime() - startNs) / 1e6;
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assert(duration > 90 && duration < 110, `duration waited (${duration}ms) 10% of expected (100ms)`);
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});
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});
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describe("timeout", function() {
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it("should return the result of an already resolved promise", async function() {
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assert.equal(await libHelpers.timeout(Promise.resolve("value"), 10, "timeout"), "value");
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});
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it("should return the result of the promise if received before timeout", async function() {
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assert.equal(await libHelpers.timeout(
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(async () => { await libHelpers.wait(10); return "value"; })(), 20, "timeout"
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), "value");
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});
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it("should return the timeoutResult if not received before timeout", async function() {
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assert.equal(await libHelpers.timeout(
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(async () => { await libHelpers.wait(20); return "value"; })(), 10, "timeout"
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), "timeout");
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});
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});
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});
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