mirror of https://github.com/postgres/postgres
The new GUC extension_control_path specifies a path to look for extension control files. The default value is $system, which looks in the compiled-in location, as before. The path search uses the same code and works in the same way as dynamic_library_path. Some use cases of this are: (1) testing extensions during package builds, (2) installing extensions outside security-restricted containers like Python.app (on macOS), (3) adding extensions to PostgreSQL running in a Kubernetes environment using operators such as CloudNativePG without having to rebuild the base image for each new extension. There is also a tweak in Makefile.global so that it is possible to install extensions using PGXS into an different directory than the default, using 'make install prefix=/else/where'. This previously only worked when specifying the subdirectories, like 'make install datadir=/else/where/share pkglibdir=/else/where/lib', for purely implementation reasons. (Of course, without the path feature, installing elsewhere was rarely useful.) Author: Peter Eisentraut <peter@eisentraut.org> Co-authored-by: Matheus Alcantara <matheusssilv97@gmail.com> Reviewed-by: David E. Wheeler <david@justatheory.com> Reviewed-by: Gabriele Bartolini <gabriele.bartolini@enterprisedb.com> Reviewed-by: Marco Nenciarini <marco.nenciarini@enterprisedb.com> Reviewed-by: Niccolò Fei <niccolo.fei@enterprisedb.com> Discussion: https://www.postgresql.org/message-id/flat/E7C7BFFB-8857-48D4-A71F-88B359FADCFD@justatheory.compull/207/head
Peter Eisentraut
3 months ago
parent
2cce0fe440
commit
4f7f7b0375
@ -0,0 +1,80 @@ |
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# Copyright (c) 2024-2025, PostgreSQL Global Development Group |
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use strict; |
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use warnings FATAL => 'all'; |
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use PostgreSQL::Test::Cluster; |
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use PostgreSQL::Test::Utils; |
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use Test::More; |
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my $node = PostgreSQL::Test::Cluster->new('node'); |
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$node->init; |
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# Create a temporary directory for the extension control file |
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my $ext_dir = PostgreSQL::Test::Utils::tempdir(); |
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my $ext_name = "test_custom_ext_paths"; |
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my $control_file = "$ext_dir/$ext_name.control"; |
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my $sql_file = "$ext_dir/$ext_name--1.0.sql"; |
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# Create .control .sql file |
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open my $cf, '>', $control_file or die "Could not create control file: $!"; |
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print $cf "comment = 'Test extension_control_path'\n"; |
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print $cf "default_version = '1.0'\n"; |
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print $cf "relocatable = true\n"; |
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close $cf; |
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# Create --1.0.sql file |
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open my $sqlf, '>', $sql_file or die "Could not create sql file: $!"; |
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print $sqlf "/* $sql_file */\n"; |
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print $sqlf |
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"-- complain if script is sourced in psql, rather than via CREATE EXTENSION\n"; |
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print $sqlf |
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qq'\\echo Use "CREATE EXTENSION $ext_name" to load this file. \\quit\n'; |
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close $sqlf; |
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# Use the correct separator and escape \ when running on Windows. |
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my $sep = $windows_os ? ";" : ":"; |
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$node->append_conf( |
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'postgresql.conf', qq{ |
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extension_control_path = '\$system$sep@{[ $windows_os ? ($ext_dir =~ s/\\/\\\\/gr) : $ext_dir ]}' |
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}); |
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# Start node |
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$node->start; |
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my $ecp = $node->safe_psql('postgres', 'show extension_control_path;'); |
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is($ecp, "\$system$sep$ext_dir", |
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"custom extension control directory path configured"); |
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$node->safe_psql('postgres', "CREATE EXTENSION $ext_name"); |
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my $ret = $node->safe_psql('postgres', |
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"select * from pg_available_extensions where name = '$ext_name'"); |
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is( $ret, |
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"test_custom_ext_paths|1.0|1.0|Test extension_control_path", |
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"extension is installed correctly on pg_available_extensions"); |
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my $ret2 = $node->safe_psql('postgres', |
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"select * from pg_available_extension_versions where name = '$ext_name'"); |
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is( $ret2, |
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"test_custom_ext_paths|1.0|t|t|f|t|||Test extension_control_path", |
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"extension is installed correctly on pg_available_extension_versions"); |
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# Ensure that extensions installed on $system is still visible when using with |
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# custom extension control path. |
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my $ret3 = $node->safe_psql('postgres', |
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"select count(*) > 0 as ok from pg_available_extensions where name = 'amcheck'" |
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); |
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is($ret3, "t", |
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"\$system extension is installed correctly on pg_available_extensions"); |
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my $ret4 = $node->safe_psql('postgres', |
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"set extension_control_path = ''; select count(*) > 0 as ok from pg_available_extensions where name = 'amcheck'" |
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); |
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is($ret4, "t", |
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"\$system extension is installed correctly on pg_available_extensions with empty extension_control_path" |
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); |
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done_testing(); |
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