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https://issues.apache.org/jira/browse/TC-68?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeremy Mitchell closed TC-68.
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> To support an HA TO, regex_revalidate.config should not be written to the
> file system
> -------------------------------------------------------------------------------------
>
> Key: TC-68
> URL: https://issues.apache.org/jira/browse/TC-68
> Project: Traffic Control
> Issue Type: Improvement
> Components: Traffic Ops
> Reporter: Jeremy Mitchell
> Assignee: Jeremy Mitchell
> Fix For: 2.0.0
>
>
> Currently, when an "invalidate content" request is created via one of these 2
> routes:
> - POST /api/$version/user/current/jobs (thru the API)
> - POST /job/external/new (thru the UI)
> regex_revalidate.config is written to the file system at the location
> dictated by the 'snapshot_dir' parameter:
> https://github.com/apache/incubator-trafficcontrol/blob/master/traffic_ops/app/db/seeds.sql#L32
> In order to support a highly-available/redundant TO, we need to remove all
> dependencies on files written to the file system.
> My suggestion is that we remove all calls to snapshot_regex_revalidate()
> which will stop regex_revalidate.config from being written to the file system.
> https://github.com/apache/incubator-trafficcontrol/blob/master/traffic_ops/app/lib/MojoPlugins/Job.pm#L35
> After this is done. regex_revalidate.config can be retrieved like all other
> ATS config files using the following route:
> /genfiles/view/:host_name/regex_revalidate.config
> If this change is made, ORT would also have to change
> https://github.com/apache/incubator-trafficcontrol/blob/master/traffic_ops/bin/traffic_ops_ort.pl#L2159
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