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nixos/jenkins: rework environment handling

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Jenkins gets (by default) an additional environment of

  { NIX_REMOTE = "daemon"; }

This has the following problems:

  1. NIX_REMOTE disappears when users specify additional environment
     variables, because defaults have low merge priority.
  2. nix cannot be used without additional NIX_PATH envvar, which is
     currently missing.
  3. If you try to use HTTPS, you'll see that jenkins lacks
     SSL_CERT_FILE envvar, causing it to fail.

This commit adds config.environment.sessionVariables and NIX_REMOTE to
the set of variables that are always there for jenkins, making nix and
HTTPS work out of the box.

services.jenkins.environment is now empty by default.
This commit is contained in:
Bjørn Forsman 2015-10-04 16:11:28 +02:00
parent f91c5bcc7a
commit 67723df930
1 changed files with 11 additions and 5 deletions
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16
nixos/modules/services/continuous-integration/jenkins/default.nix
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@ -65,11 +65,14 @@ in {
};
environment = mkOption {
default = { NIX_REMOTE = "daemon"; };
default = { };
type = with types; attrsOf str;
description = ''
Additional environment variables to be passed to the jenkins process.
The environment will always include JENKINS_HOME.
This setting will merge with everything in
<option>config.environment.sessionVariables</option>,
JENKINS_HOME and NIX_REMOTE. This option takes precedence and can
override any previously set environment variable.
'';
};
@ -106,9 +109,12 @@ in {
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
environment = {
JENKINS_HOME = cfg.home;
} // cfg.environment;
environment =
config.environment.sessionVariables //
{ JENKINS_HOME = cfg.home;
NIX_REMOTE = "daemon";
} //
cfg.environment;
path = cfg.packages;