munin-node: add patch to preserve environment variables

Changed files
+43
pkgs
servers
+2
pkgs/servers/monitoring/munin/default.nix
···
# https://github.com/munin-monitoring/munin/pull/134
./adding_servicedir_munin-node.patch
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./preserve_environment.patch
];
preBuild = ''
+41
pkgs/servers/monitoring/munin/preserve_environment.patch
···
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commit d94c29b7397362857b81d8c877a989fdb28490d8
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Author: Kjetil Orbekk <kjetil.orbekk@gmail.com>
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Date: Tue Nov 21 15:37:42 2017 -0500
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Keep environment variables instead of overwriting them.
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diff --git a/common/lib/Munin/Common/Defaults.pm b/common/lib/Munin/Common/Defaults.pm
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index 131f52c0..bbf42697 100644
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--- a/common/lib/Munin/Common/Defaults.pm
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+++ b/common/lib/Munin/Common/Defaults.pm
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@@ -71,7 +71,7 @@ sub export_to_environment {
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my %defaults = %{$class->get_defaults()};
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while (my ($k, $v) = each %defaults) {
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- $ENV{$k} = $v;
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+ $ENV{$k} = $ENV{$k} || $v;
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}
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+
return
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diff --git a/node/lib/Munin/Node/Service.pm b/node/lib/Munin/Node/Service.pm
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index 1b4f6114..be58bd77 100644
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--- a/node/lib/Munin/Node/Service.pm
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+++ b/node/lib/Munin/Node/Service.pm
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@@ -122,7 +122,7 @@ sub export_service_environment {
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# We append the USER to the MUNIN_PLUGSTATE, to avoid CVE-2012-3512
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my $uid = $self->_resolve_uid($service);
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my $user = getpwuid($uid);
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- $ENV{MUNIN_PLUGSTATE} = "$Munin::Common::Defaults::MUNIN_PLUGSTATE/$user";
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+ $ENV{MUNIN_PLUGSTATE} = "$ENV{MUNIN_PLUGSTATE}/$user";
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# Provide a consistent default state-file.
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$ENV{MUNIN_STATEFILE} = "$ENV{MUNIN_PLUGSTATE}/$service-$ENV{MUNIN_MASTER_IP}";
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@@ -243,7 +243,7 @@ sub exec_service
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# XXX - Create the statedir for the user
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my $uid = $self->_resolve_uid($service);
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- Munin::Node::OS->mkdir_subdir("$Munin::Common::Defaults::MUNIN_PLUGSTATE", $uid);
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+ Munin::Node::OS->mkdir_subdir("$ENV{MUNIN_PLUGSTATE}", $uid);
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$self->change_real_and_effective_user_and_group($service);
+