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Merge pull request #176 from overleaf/ta-epipe-retry-revert

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Remove Retries in EPIPE Errors
This commit is contained in:
Brian Gough 2020-06-16 08:33:30 +01:00 committed by GitHub
commit 634fad8c6e
2 changed files with 13 additions and 81 deletions
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36
services/clsi/app/js/DockerRunner.js
View file

@ -26,7 +26,6 @@ const LockManager = require('./DockerLockManager')
const fs = require('fs')
const Path = require('path')
const _ = require('underscore')
const metrics = require('metrics-sharelatex')
logger.info('using docker runner')
@ -412,28 +411,19 @@ module.exports = DockerRunner = {
})
}
)
var inspectContainer = isRetry =>
container.inspect(function(error, stats) {
if ((error != null ? error.statusCode : undefined) === 404) {
return createAndStartContainer()
} else if (error != null) {
if (error.message.match(/EPIPE/)) {
if (!isRetry) {
metrics.inc('container-inspect-epipe-retry')
return inspectContainer(true)
}
metrics.inc('container-inspect-epipe-error')
}
logger.err(
{ container_name: name, error },
'unable to inspect container to start'
)
return callback(error)
} else {
return startExistingContainer()
}
})
inspectContainer(false)
return container.inspect(function(error, stats) {
if ((error != null ? error.statusCode : undefined) === 404) {
return createAndStartContainer()
} else if (error != null) {
logger.err(
{ container_name: name, error },
'unable to inspect container to start'
)
return callback(error)
} else {
return startExistingContainer()
}
})
},
attachToContainer(containerId, attachStreamHandler, attachStartCallback) {

58
services/clsi/test/unit/js/DockerRunnerTests.js
View file

@ -36,7 +36,6 @@ describe('DockerRunner', function() {
'logger-sharelatex': (this.logger = {
log: sinon.stub(),
error: sinon.stub(),
err: sinon.stub(),
info: sinon.stub(),
warn: sinon.stub()
}),
@ -388,63 +387,6 @@ describe('DockerRunner', function() {
})
})
describe('when inspect always fails with EPIPE error', function() {
beforeEach(function() {
this.error = new Error('write EPIPE')
this.container.inspect = sinon.stub().yields(this.error)
this.container.start = sinon.stub().yields()
this.DockerRunner.startContainer(
this.options,
this.volumes,
() => {},
this.callback
)
})
it('should retry once', function() {
sinon.assert.callOrder(
this.container.inspect,
this.container.inspect,
this.callback
)
})
it('should call back with error', function() {
sinon.assert.calledWith(this.callback, this.error)
})
})
describe('when inspect fails once with EPIPE error', function() {
beforeEach(function() {
this.container.inspect = sinon.stub()
this.container.inspect.onFirstCall().yields(new Error('write EPIPE'))
this.container.inspect.onSecondCall().yields()
this.container.start = sinon.stub().yields()
this.DockerRunner.startContainer(
this.options,
this.volumes,
() => {},
this.callback
)
})
it('should retry once and start container', function() {
sinon.assert.callOrder(
this.container.inspect,
this.container.inspect,
this.DockerRunner.attachToContainer,
this.container.start,
this.callback
)
})
it('should call back without error', function() {
sinon.assert.calledWith(this.callback, null)
})
})
describe('when the container does not exist', function() {
beforeEach(function() {
const exists = false