[GitHub] [trafficserver] bryancall commented on issue #7820: Plugin reload fails because of noexec mounted partition for the run directory

[GitBox <gi...@apache.org>]

bryancall commented on issue #7820:
URL: https://github.com/apache/trafficserver/issues/7820#issuecomment-1071124655


   I was able to get a good error message in the logs when trying to reproduce.
   
   Commands to mount noexec filesystem:
   ```
   cd /opt/ats/var
   dd if=/dev/zero of=file bs=1000 count=100000
   mkfs.ext3 file
   mkdir trafficserver
   mount -o noexec,loop file trafficserver
   ```
   
   Configuration:
   ```
   tail -1 /opt/ats/etc/trafficserver/remap.config
   map / http://www.yahoo.com @plugin=header_rewrite.so @pparam=foo.config
   cat /opt/ats/etc/trafficserver/foo.config
   add-header Hello World
   ```
    
   Error messages:
   ```
   grep ERROR /opt/ats/var/log/trafficserver/diags.log | tail -2
   [Mar 16 16:02:41.588] traffic_server ERROR: plugin 'header_rewrite.so' failed to load: /opt/ats/var/trafficserver/3c7814b4-a3f7-4b96-b6ab-441a79eda6bd/opt/ats/libexec/trafficserver/header_rewrite.so: failed to map segment from shared object
   [Mar 16 16:02:41.588] traffic_server ERROR: [ReverseProxy] failed to add remap rule at /opt/ats/etc/trafficserver/remap.config line 197: /opt/ats/var/trafficserver/3c7814b4-a3f7-4b96-b6ab-441a79eda6bd/opt/ats/libexec/trafficserver/header_rewrite.so: failed to map segment from shared objectfailed to remove runtime copy: Success
   ```


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