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https://issues.apache.org/jira/browse/AIRFLOW-3527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kaxil Naik resolved AIRFLOW-3527.
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Resolution: Fixed
Fix Version/s: 1.10.2
> Cloud SQL proxy with UNIX sockets might lead to too long socket path
> --------------------------------------------------------------------
>
> Key: AIRFLOW-3527
> URL: https://issues.apache.org/jira/browse/AIRFLOW-3527
> Project: Apache Airflow
> Issue Type: Bug
> Reporter: Jarek Potiuk
> Priority: Major
> Fix For: 1.10.2
>
>
> Currently Cloud SQL Proxy with UNIX sockets creates the proxy dir in
> /tmp/\{UDID1}/folder - which in case of postgres and long instance names
> might lead to too long name of UNIX socket (the path length for socket is
> limited to 108 characters in Linux).
> [http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_un.h.html#tag_13_67_04]
> However in case instance name is long enough that leads to too long path
> (which turns to be fairly short - instance names can often exceed 20-30
> characters) and a cryptic "invalid path name" error. Therefor we need to
> 1) generate the path with shorter random number prefix. 8 characters should
> be random enough + we can check if the generated path did not exist already
> and generate another one if that's the case.
> 2) fail validation in case the generated path is too long and propose a
> solution (shorter names or switching to TCP).
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