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[Metricbeat AWS] check if cpuOptions is nil in DescribeInstances output #17418

Merged
merged 3 commits into from
Apr 3, 2020
Merged

[Metricbeat AWS] check if cpuOptions is nil in DescribeInstances output #17418

merged 3 commits into from
Apr 3, 2020

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kaiyan-sheng
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@kaiyan-sheng kaiyan-sheng commented Apr 1, 2020 •
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I cannot reproduce this error with my AWS account. But based on the error message in the bug report #17392, I believe it is caused by response body of DescribeInstances API has empty cpuOptions:

2020-04-01T12:57:03.827+0200	ERROR	runtime/panic.go:199	recovered from panic while
fetching 'aws/ec2' for host ''. Recovering, but please report this.	{"panic": "runtime error: 
invalid memory address or nil pointer dereference", "stack": 
"github.com/elastic/beats/libbeat/logp.Recover\n\t/go/src/github.com/elastic/beats/libbeat/logp/
global.go:105\nruntime.gopanic\n\t/usr/local/go/src/runtime/panic.go:679\nruntime.panicmem\n
\t/usr/local/go/src/runtime/panic.go:199\nruntime.sigpanic\n\t/usr/local/go/src/runtime/signal_un
ix.go:394\ngithub.com/elastic/beats/x-pack/metricbeat/module/aws/ec2.
(*MetricSet).createCloudWatchEvents\n\t/go/src/github.com/elastic/beats/x-
pack/metricbeat/module/aws/ec2/ec2.go:238\ngithub.com/elastic/beats/x-
pack/metricbeat/module/aws/ec2.(*MetricSet).Fetch\n\t/go/src/github.com/elastic/beats/x-
pack/metricbeat/module/aws/ec2/ec2.go:133\ngithub.com/elastic/beats/metricbeat/mb/module.
(*metricSetWrapper).fetch\n\t/go/src/github.com/elastic/beats/metricbeat/mb/module/wrapper.
go:249\ngithub.com/elastic/beats/metricbeat/mb/module.
(*metricSetWrapper).startPeriodicFetching\n\t/go/src/github.com/elastic/beats/metricbeat/mb/
module/wrapper.go:217\ngithub.com/elastic/beats/metricbeat/mb/module.
(*metricSetWrapper).run\n\t/go/src/github.com/elastic/beats/metricbeat/mb/module/wrapper.go
:201\ngithub.com/elastic/beats/metricbeat/mb/module.
(*Wrapper).Start.func1\n\t/go/src/github.com/elastic/beats/metricbeat/mb/module/wrapper.go:1
40"}

This PR is to fix the error by checking if cpuOptions is nil first before evaluating cpuOptions. Similarly, I also added the check for Placement field.

@kaiyan-sheng kaiyan-sheng self-assigned this Apr 1, 2020
@kaiyan-sheng kaiyan-sheng added bug Metricbeat Metricbeat needs_backport PR is waiting to be backported to other branches. Team:Platforms Label for the Integrations - Platforms team labels Apr 1, 2020
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Pinging @elastic/integrations-platforms (Team:Platforms)

blakerouse
blakerouse approved these changes Apr 2, 2020
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Looks good.

Changelog?

@kaiyan-sheng
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@blakerouse Just added the changelog, good catch! Thanks!

@kaiyan-sheng kaiyan-sheng merged commit 8d43169 into elastic:master Apr 3, 2020
@kaiyan-sheng kaiyan-sheng deleted the ec2_nil_pointer branch April 3, 2020 01:34
@kaiyan-sheng kaiyan-sheng mentioned this pull request Apr 3, 2020
Merged
@kaiyan-sheng kaiyan-sheng added v7.8.0 and removed needs_backport PR is waiting to be backported to other branches. labels Apr 3, 2020
@kaiyan-sheng kaiyan-sheng mentioned this pull request Apr 3, 2020
Merged
kaiyan-sheng added a commit that referenced this pull request Apr 3, 2020
@kaiyan-sheng
[Metricbeat AWS] check if cpuOptions is nil in DescribeInstances outp…
df96f62 
…ut (#17418) (#17459)

* check if cpuOptions is nil

(cherry picked from commit 8d43169)
kaiyan-sheng added a commit that referenced this pull request Apr 3, 2020
@kaiyan-sheng
[Metricbeat AWS] check if cpuOptions is nil in DescribeInstances outp…
dfae91c 
…ut (#17418) (#17458)

* check if cpuOptions is nil

(cherry picked from commit 8d43169)
leweafan pushed a commit to leweafan/beats that referenced this pull request Apr 28, 2023
@kaiyan-sheng
[Metricbeat AWS] check if cpuOptions is nil in DescribeInstances outp…
af88eca 
…ut (elastic#17418) (elastic#17459)

* check if cpuOptions is nil

(cherry picked from commit 1c48809)
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@blakerouse blakerouse blakerouse approved these changes

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