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Merge pull request #44303 from pvgoran/tomcat-clean-basedir

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nixos/tomcat: add purifyOnStart option
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Michael Raskin 2018-11-04 17:50:38 +00:00 committed by GitHub
commit 6b8252d367
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1 changed files with 26 additions and 1 deletions
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27
nixos/modules/services/web-servers/tomcat.nix
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@ -31,10 +31,26 @@ in
'';
};
purifyOnStart = mkOption {
type = types.bool;
default = false;
description = ''
On startup, the `baseDir` directory is populated with various files,
subdirectories and symlinks. If this option is enabled, these items
(except for the `logs` and `work` subdirectories) are first removed.
This prevents interference from remainders of an old configuration
(libraries, webapps, etc.), so it's recommended to enable this option.
'';
};
baseDir = mkOption {
type = lib.types.path;
default = "/var/tomcat";
description = "Location where Tomcat stores configuration files, webapplications and logfiles";
description = ''
Location where Tomcat stores configuration files, web applications
and logfiles. Note that it is partially cleared on each service startup
if `purifyOnStart` is enabled.
'';
};
logDirs = mkOption {
@ -197,6 +213,15 @@ in
after = [ "network.target" ];
preStart = ''
${lib.optionalString cfg.purifyOnStart ''
# Delete most directories/symlinks we create from the existing base directory,
# to get rid of remainders of an old configuration.
# The list of directories to delete is taken from the "mkdir" command below,
# excluding "logs" (because logs are valuable) and "work" (because normally
# session files are there), and additionally including "bin".
rm -rf ${cfg.baseDir}/{conf,virtualhosts,temp,lib,shared/lib,webapps,bin}
''}
# Create the base directory
mkdir -p \
${cfg.baseDir}/{conf,virtualhosts,logs,temp,lib,shared/lib,webapps,work}