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nixos/grafana: Filter out duplicate plugins

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If the same plugin appears multiple times in `declarativePlugins`, for
example due to being added both by a module and in user config, the
build fails with an error message similar to

ln: failed to create symbolic link 'grafana-worldmap-panel/glmqcj88zk2bz3mvdr3r7920wxg02qnq-grafana-worldmap-panel-0.3.2': Permission denied

This is solved by removing all duplicates.
This commit is contained in:
talyz 2021-06-04 18:08:09 +02:00 committed by Raphael Megzari
parent 6d84e50b19
commit 98f07d6cc5
1 changed files with 5 additions and 0 deletions
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5
nixos/modules/services/monitoring/grafana.nix
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@ -337,11 +337,16 @@ in {
defaultText = "pkgs.grafana";
type = types.package;
};
declarativePlugins = mkOption {
type = with types; nullOr (listOf path);
default = null;
description = "If non-null, then a list of packages containing Grafana plugins to install. If set, plugins cannot be manually installed.";
example = literalExample "with pkgs.grafanaPlugins; [ grafana-piechart-panel ]";
# Make sure each plugin is added only once; otherwise building
# the link farm fails, since the same path is added multiple
# times.
apply = x: if isList x then lib.unique x else x;
};
dataDir = mkOption {