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Description
Currently, the exporter will hang forever on a hung php-fpm that is not accepting on the socket or is not replying with a status page. You can reproduce this by e.g. sending SIGSTOP to the php-fpm processes and seeing that the exporter never reports a failure, rather prometheus starts timing out trying to scrape it.
PR Overview
--status.timeout
(env varSTATUS_TIMEOUT
) cli flag, defaults to 0 which means no timeout and is the current behavior.github.com/tomasen/fcgi_client => github.com/kanocz/fcgi_client
in go.mod to get a forked fcgi_client module that also supports timeouts. This is basically including Add read/write timeouts tomasen/fcgi_client#12 as a net result.