-
Notifications
You must be signed in to change notification settings - Fork 403
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Docker monitor metrics fixes - cpu and memory usage (#1214)
* add normalization option for cpu usage metric of the docker-monitor Signed-off-by: fraVlaca <[email protected]> * fix memory usage stat of the docker-monitor Signed-off-by: fraVlaca <[email protected]> * add unit tests for docker-monitor Signed-off-by: fraVlaca <[email protected]>
- Loading branch information
Showing
2 changed files
with
241 additions
and
7 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
228 changes: 228 additions & 0 deletions
228
packages/caliper-core/test/manager/monitors/monitor-docker.js
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,228 @@ | ||
| /* | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| 'use strict'; | ||
|
|
||
|
|
||
| const rewire = require('rewire'); | ||
| const chai = require('chai'); | ||
| const should = chai.should(); | ||
| const sinon = require('sinon'); | ||
| const DockerMonitorRewire = rewire('../../../lib/manager/monitors/monitor-docker'); | ||
| const ConfigUtil = require('../../../lib/common/config/config-util.js'); | ||
|
|
||
| describe('A Docker monitor', () => { | ||
|
|
||
| //stub docker stub | ||
| const dockerStats = { | ||
| id: "118", | ||
| mem_usage: 10000, | ||
| mem_limit: 10000, | ||
| mem_percent: 10000, | ||
| cpu_percent: 10000, | ||
| netIO: { | ||
| rx: 10000, | ||
| wx: 10000, | ||
| }, | ||
| blockIO: { | ||
| r: 10000, | ||
| w: 10000, | ||
| }, | ||
| cpu_stats: { | ||
| "cpu_usage":{"total_usage":1000000,"usage_in_kernelmode":10000,"usage_in_usermode":10000}, | ||
| "system_cpu_usage":100000, | ||
| "online_cpus":8, | ||
| "throttling_data":{"periods":0,"throttled_periods":0,"throttled_time":0} | ||
| }, | ||
| precpu_stats: { | ||
| "cpu_usage":{"total_usage":0,"usage_in_kernelmode":0,"usage_in_usermode":0}, | ||
| "throttling_data":{"periods":0,"throttled_periods":0,"throttled_time":0}, | ||
| "system_cpu_usage":0 | ||
| }, | ||
| memory_stats: { | ||
| "usage":46100480, | ||
| "stats":{"cache": 500,"active_anon":0,"active_file":0,"anon":32440320,"anon_thp":0,"file":11624448,"file_dirty":0,"file_mapped":10407936,"file_writeback":0,"inactive_anon":29007872,"inactive_file":15003648,"kernel_stack":147456,"pgactivate":0,"pgdeactivate":0,"pgfault":10065,"pglazyfree":759,"pglazyfreed":0,"pgmajfault":66,"pgrefill":0,"pgscan":0,"pgsteal":0,"shmem":0,"slab":0,"slab_reclaimable":0,"slab_unreclaimable":0,"sock":0,"thp_collapse_alloc":0,"thp_fault_alloc":0,"unevictable":0,"workingset_activate":0,"workingset_nodereclaim":0,"workingset_refault":0}, | ||
| "limit":2081312768 | ||
| }, | ||
| networks: { | ||
| "eth0":{"rx_bytes":10000,"rx_packets":10000,"rx_errors":0,"rx_dropped":0,"tx_bytes":10000,"tx_packets":10000,"tx_errors":0,"tx_dropped":0} | ||
| }, | ||
| }; | ||
|
|
||
|
|
||
| //create os stub | ||
| const osStub = { | ||
| cpus : sinon.stub() | ||
| } | ||
| const returnValueCpus = [ | ||
| { | ||
| model: 'Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz', | ||
| speed: 2712, | ||
| times: { user: 900000, nice: 0, sys: 940265, idle: 11928546, irq: 147046 } | ||
| }, | ||
| { | ||
| model: 'Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz', | ||
| speed: 2712, | ||
| times: { user: 860875, nice: 0, sys: 507093, idle: 12400500, irq: 27062 } | ||
| }] | ||
|
|
||
| osStub.cpus.returns(returnValueCpus); | ||
| const revertOS = DockerMonitorRewire.__set__("os", osStub) | ||
|
|
||
|
|
||
| //create System information stub | ||
| const SystemInformationStub = { | ||
| dockerContainers : sinon.stub(), | ||
| dockerContainerStats : sinon.stub() | ||
| }; | ||
| SystemInformationStub.dockerContainers.resolves([{ | ||
| id:"118", | ||
| name:"peer0.org1.example.com" | ||
| }]); | ||
| SystemInformationStub.dockerContainerStats.withArgs("118").resolves(dockerStats); | ||
| const revertSystemInfo =DockerMonitorRewire.__set__("SystemInformation", SystemInformationStub) | ||
|
|
||
|
|
||
| // Test data | ||
| const monitorOptions= { | ||
| interval: 5, | ||
| containers: ["peer0.org1.example.com"], | ||
| }; | ||
|
|
||
|
|
||
| after( () => { | ||
| revertOS(); | ||
| revertSystemInfo(); | ||
| }); | ||
|
|
||
|
|
||
| describe('when being created', () => { | ||
|
|
||
| it('should set options list if provided', () => { | ||
| let dockerMonitor = new DockerMonitorRewire(monitorOptions); | ||
| dockerMonitor.options.should.be.an('object').that.deep.equals(monitorOptions); | ||
| }); | ||
|
|
||
| it('should set interval if provided', () => { | ||
| let dockerMonitor = new DockerMonitorRewire(monitorOptions); | ||
| dockerMonitor.interval.should.equal(monitorOptions.interval*1000); | ||
| }); | ||
|
|
||
| it('should set interval to default if not provided in options', () => { | ||
| const emptyOptions = {}; | ||
| let dockerMonitor = new DockerMonitorRewire(emptyOptions); | ||
| dockerMonitor.interval.should.equal(ConfigUtil.get(ConfigUtil.keys.Monitor.Interval)); | ||
| }); | ||
| }); | ||
|
|
||
|
|
||
| describe('when finding containers', () => { | ||
|
|
||
| let dockerMonitor; | ||
|
|
||
| beforeEach( () => { | ||
| dockerMonitor = new DockerMonitorRewire(monitorOptions); | ||
| }); | ||
|
|
||
| it('should add containers objects to container field if exitents', async () => { | ||
| await dockerMonitor.findContainers(); | ||
| dockerMonitor.containers.should.be.an('array').that.have.lengthOf(monitorOptions.containers.length); | ||
| }); | ||
|
|
||
| it('should add and label containers as local', async () => { | ||
| const containers = [ | ||
| { | ||
| id:"118", | ||
| name:"peer0.org1.example.com", | ||
| remote:null | ||
| } | ||
| ] | ||
| await dockerMonitor.findContainers(); | ||
| dockerMonitor.containers.should.be.an('array').that.deep.equals(containers); | ||
| }); | ||
| }); | ||
|
|
||
|
|
||
| describe('when retrieving container statistics', () => { | ||
|
|
||
| //memory test values | ||
| const mem_usage = dockerStats.memory_stats.usage - dockerStats.memory_stats.stats.cache; | ||
| const mem_percent = mem_usage / dockerStats.mem_limit; | ||
|
|
||
| it('should set isReading to false', async () => { | ||
| let dockerMonitor = new DockerMonitorRewire(monitorOptions); | ||
| await dockerMonitor.findContainers(); | ||
| await dockerMonitor.readContainerStats(); | ||
| dockerMonitor.isReading.should.be.false; | ||
| }); | ||
|
|
||
| it('should read and add stats for each target container', async () => { | ||
| let dockerMonitor = new DockerMonitorRewire(monitorOptions); | ||
| await dockerMonitor.findContainers(); | ||
| await dockerMonitor.readContainerStats(); | ||
| dockerMonitor.stats["118"].mem_usage.should.be.an('array').that.deep.equals([mem_usage]); | ||
| }); | ||
|
|
||
| //cpu percentage test metric calculation | ||
| let cpuDelta = dockerStats.cpu_stats.cpu_usage.total_usage - dockerStats.precpu_stats.cpu_usage.total_usage; | ||
| let sysDelta = dockerStats.cpu_stats.system_cpu_usage - dockerStats.precpu_stats.system_cpu_usage; | ||
| let cpu_percent; | ||
| if (cpuDelta > 0 && sysDelta > 0) { | ||
| if (dockerStats.cpu_stats.cpu_usage.hasOwnProperty('percpu_usage') && dockerStats.cpu_stats.cpu_usage.percpu_usage !== null) { | ||
| cpu_percent = (cpuDelta / sysDelta * 2 * 100.0); // 2 -> number of cpus used in this test | ||
| } else { | ||
| cpu_percent = (cpuDelta / sysDelta * 100.0); | ||
| } | ||
| } else { | ||
| cpu_percent = 0; | ||
| } | ||
|
|
||
| const monitorOptionsCpuNorm = { | ||
| interval: 5, | ||
| containers: ["peer0.org1.example.com"], | ||
| cpuUsageNormalization: true | ||
| }; | ||
|
|
||
| const monitorOptionsNotCpuNorm = { | ||
| interval: 5, | ||
| containers: ["peer0.org1.example.com"], | ||
| cpuUsageNormalization: false | ||
| }; | ||
|
|
||
| it('should normalize cpuUsage if cpuUsageNormalization property is set to true', async () => { | ||
| let dockerMonitor = new DockerMonitorRewire(monitorOptionsCpuNorm); | ||
| await dockerMonitor.findContainers(); | ||
| await dockerMonitor.readContainerStats(); | ||
| let result = await dockerMonitor.getStatistics(); | ||
| result.resourceStats[0].get("CPU%(max)").should.equal(cpu_percent / 2); // 2 -> number of cpus used in this test | ||
| }); | ||
|
|
||
| it('should not normalize cpuUsage if cpuUsageNormalization property not provided', async () => { | ||
| let dockerMonitor = new DockerMonitorRewire(monitorOptions); | ||
| await dockerMonitor.findContainers(); | ||
| await dockerMonitor.readContainerStats(); | ||
| let result = await dockerMonitor.getStatistics(); | ||
| result.resourceStats[0].get("CPU%(max)").should.equal(cpu_percent); | ||
| }); | ||
|
|
||
| it('should not normalize cpuUsage if cpuUsageNormalization property is set to false', async () => { | ||
| let dockerMonitor = new DockerMonitorRewire(monitorOptionsNotCpuNorm); | ||
| await dockerMonitor.findContainers(); | ||
| await dockerMonitor.readContainerStats(); | ||
| let result = await dockerMonitor.getStatistics(); | ||
| result.resourceStats[0].get("CPU%(max)").should.equal(cpu_percent); | ||
| }); | ||
| }); | ||
|
|
||
| }); |