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Change modsecurity directories #2660

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merged 1 commit into from
Jun 20, 2018

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aledbf
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@aledbf aledbf commented Jun 17, 2018

What this PR does / why we need it:

Running as user prevents the start of modsecurity. Changing directories to fix this issue.

@k8s-ci-robot k8s-ci-robot added approved Indicates a PR has been approved by an approver from all required OWNERS files. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. labels Jun 17, 2018
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Codecov Report

Merging #2660 into master will increase coverage by 0.05%.
The diff coverage is n/a.

Impacted file tree graph

@@            Coverage Diff            @@
##           master   #2660      +/-   ##
=========================================
+ Coverage   40.84%   40.9%   +0.05%     
=========================================
  Files          72      72              
  Lines        5073    5073              
=========================================
+ Hits         2072    2075       +3     
+ Misses       2718    2716       -2     
+ Partials      283     282       -1
Impacted Files Coverage Δ
cmd/nginx/main.go 24.81% <0%> (+2.18%) ⬆️

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@@ -37,6 +37,13 @@ RUN setcap cap_net_bind_service=+ep /usr/sbin/nginx \
RUN mkdir -p /etc/ingress-controller/ssl /etc/ingress-controller/auth \
&& chown -R www-data.www-data /etc/nginx /etc/ingress-controller

RUN mkdir -p /tmp/modsecurity/audit /tmp/modsecurity/upload \
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@antoineco antoineco Jun 17, 2018

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As this seems to be a recurring problem and probably not the last time permissions have to be adjusted, I'd be in favor of declaring an array of all directories used by the controller and applying ownership in one go. This mix and match of chown and file sed'ing feels suboptimal and prone to errors.

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Agree but we have a problem, some or most of the directories are located in the parent image or even worse in configuration files with some defaults. I don't see an easy way to tackle this.

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@antoineco antoineco Jun 20, 2018

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I persist in thinking defining an array in the Dockerfile instead of changing configs in place would be a good attempt at documenting what directories nginx/controller write to, at least.

Either that or move everything under /tmp.

None of these are ideal, but it would at least be consistent.

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done

&& sed -i 's|/var/log/modsec_audit.log|/tmp/modsec_audit.log|g' /etc/nginx/modsecurity/modsecurity.conf \
&& sed -i 's|/opt/modsecurity/var/log/debug.log|/tmp/debug.log|g' /etc/nginx/modsecurity/modsecurity.conf \
&& sed -i 's|/opt/modsecurity/var/upload|/tmp/modsecurity/upload|g' /etc/nginx/modsecurity/modsecurity.conf \
&& sed -i 's|/opt/modsecurity/var/audit|/tmp/modsecurity/audit|g' /etc/nginx/modsecurity/modsecurity.conf
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Are these temporary files by definition (I have never used modsecurity)? If not can we create the modsecurity dedicated folder in user's home directory?

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All this directories are temporal

@aledbf aledbf force-pushed the fix-modesecurity branch from 2510c13 to ddc2ead Compare June 20, 2018 11:58
@k8s-ci-robot k8s-ci-robot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Jun 20, 2018
@aledbf aledbf force-pushed the fix-modesecurity branch from ddc2ead to f63bee2 Compare June 20, 2018 12:01
@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jun 20, 2018
@aledbf aledbf force-pushed the fix-modesecurity branch from f63bee2 to f8aa6bf Compare June 20, 2018 14:32
@k8s-ci-robot k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jun 20, 2018
@aledbf aledbf force-pushed the fix-modesecurity branch from f8aa6bf to 8107e0f Compare June 20, 2018 16:04
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/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jun 20, 2018
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf, antoineco

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@k8s-ci-robot k8s-ci-robot merged commit fe9a5ae into kubernetes:master Jun 20, 2018
@aledbf aledbf deleted the fix-modesecurity branch June 21, 2018 14:03
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5 participants