mirror of https://github.com/postgres/postgres
Use "template" data directory in tests
When running all (or just many) of our tests, a significant portion of both CPU time and IO is spent running initdb. Most of those initdb runs don't specify any options influencing properties of the created data directory. Avoid most of that overhead by creating a "template" data directory, alongside the temporary installation. Instead of running initdb, pg_regress and tap tests can copy that data directory. When a tap test specifies options to initdb, the template data directory is not used. That could be relaxed for some options, but it's not clear it's worth the effort. There unfortunately is some duplication between pg_regress.c and Cluster.pm, but there are no easy ways of sharing that code without introducing additional complexity. Reviewed-by: Daniel Gustafsson <daniel@yesql.se> Discussion: https://postgr.es/m/20220120021859.3zpsfqn4z7ob7afz@alap3.anarazel.de
This commit is contained in:
Andres Freund
parent
9625845532
commit
252dcb3239
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@ -109,8 +109,9 @@ task:
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test_minimal_script: |
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su postgres <<-EOF
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ulimit -c unlimited
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meson test $MTEST_ARGS --suite setup
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meson test $MTEST_ARGS --num-processes ${TEST_JOBS} \
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tmp_install cube/regress pg_ctl/001_start_stop
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cube/regress pg_ctl/001_start_stop
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EOF
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on_failure:
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30
meson.build
30
meson.build
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@ -3070,8 +3070,10 @@ testport = 40000
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test_env = environment()
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temp_install_bindir = test_install_location / get_option('bindir')
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test_initdb_template = meson.build_root() / 'tmp_install' / 'initdb-template'
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test_env.set('PG_REGRESS', pg_regress.full_path())
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test_env.set('REGRESS_SHLIB', regress_module.full_path())
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test_env.set('INITDB_TEMPLATE', test_initdb_template)
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# Test suites that are not safe by default but can be run if selected
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# by the user via the whitespace-separated list in variable PG_TEST_EXTRA.
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@ -3086,6 +3088,34 @@ if library_path_var != ''
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endif
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# Create (and remove old) initdb template directory. Tests use that, where
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# possible, to make it cheaper to run tests.
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#
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# Use python to remove the old cached initdb, as we cannot rely on a working
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# 'rm' binary on windows.
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test('initdb_cache',
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python,
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args: [
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'-c', '''
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import shutil
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import sys
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import subprocess
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shutil.rmtree(sys.argv[1], ignore_errors=True)
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sp = subprocess.run(sys.argv[2:] + [sys.argv[1]])
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sys.exit(sp.returncode)
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''',
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test_initdb_template,
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temp_install_bindir / 'initdb',
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'-A', 'trust', '-N', '--no-instructions'
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],
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priority: setup_tests_priority - 1,
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timeout: 300,
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is_parallel: false,
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env: test_env,
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suite: ['setup'])
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###############################################################
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# Test Generation
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@ -397,30 +397,6 @@ check: temp-install
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.PHONY: temp-install
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temp-install: | submake-generated-headers
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ifndef NO_TEMP_INSTALL
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ifneq ($(abs_top_builddir),)
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ifeq ($(MAKELEVEL),0)
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rm -rf '$(abs_top_builddir)'/tmp_install
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$(MKDIR_P) '$(abs_top_builddir)'/tmp_install/log
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$(MAKE) -C '$(top_builddir)' DESTDIR='$(abs_top_builddir)'/tmp_install install >'$(abs_top_builddir)'/tmp_install/log/install.log 2>&1
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$(MAKE) -j1 $(if $(CHECKPREP_TOP),-C $(CHECKPREP_TOP),) checkprep >>'$(abs_top_builddir)'/tmp_install/log/install.log 2>&1
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endif
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endif
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endif
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# Tasks to run serially at the end of temp-install. Some EXTRA_INSTALL
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# entries appear more than once in the tree, and parallel installs of the same
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# file can fail with EEXIST.
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checkprep:
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$(if $(EXTRA_INSTALL),for extra in $(EXTRA_INSTALL); do $(MAKE) -C '$(top_builddir)'/$$extra DESTDIR='$(abs_top_builddir)'/tmp_install install || exit; done)
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PROVE = @PROVE@
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# There are common routines in src/test/perl, and some test suites have
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# extra perl modules in their own directory.
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PG_PROVE_FLAGS = -I $(top_srcdir)/src/test/perl/ -I $(srcdir)
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# User-supplied prove flags such as --verbose can be provided in PROVE_FLAGS.
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PROVE_FLAGS =
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# prepend to path if already set, else just set it
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define add_to_path
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@ -437,8 +413,36 @@ ld_library_path_var = LD_LIBRARY_PATH
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with_temp_install = \
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PATH="$(abs_top_builddir)/tmp_install$(bindir):$(CURDIR):$$PATH" \
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$(call add_to_path,$(strip $(ld_library_path_var)),$(abs_top_builddir)/tmp_install$(libdir)) \
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INITDB_TEMPLATE='$(abs_top_builddir)'/tmp_install/initdb-template \
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$(with_temp_install_extra)
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temp-install: | submake-generated-headers
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ifndef NO_TEMP_INSTALL
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ifneq ($(abs_top_builddir),)
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ifeq ($(MAKELEVEL),0)
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rm -rf '$(abs_top_builddir)'/tmp_install
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$(MKDIR_P) '$(abs_top_builddir)'/tmp_install/log
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$(MAKE) -C '$(top_builddir)' DESTDIR='$(abs_top_builddir)'/tmp_install install >'$(abs_top_builddir)'/tmp_install/log/install.log 2>&1
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$(MAKE) -j1 $(if $(CHECKPREP_TOP),-C $(CHECKPREP_TOP),) checkprep >>'$(abs_top_builddir)'/tmp_install/log/install.log 2>&1
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$(with_temp_install) initdb -A trust -N --no-instructions '$(abs_top_builddir)'/tmp_install/initdb-template >>'$(abs_top_builddir)'/tmp_install/log/initdb-template.log 2>&1
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endif
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endif
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endif
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# Tasks to run serially at the end of temp-install. Some EXTRA_INSTALL
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# entries appear more than once in the tree, and parallel installs of the same
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# file can fail with EEXIST.
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checkprep:
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$(if $(EXTRA_INSTALL),for extra in $(EXTRA_INSTALL); do $(MAKE) -C '$(top_builddir)'/$$extra DESTDIR='$(abs_top_builddir)'/tmp_install install || exit; done)
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PROVE = @PROVE@
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# There are common routines in src/test/perl, and some test suites have
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# extra perl modules in their own directory.
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PG_PROVE_FLAGS = -I $(top_srcdir)/src/test/perl/ -I $(srcdir)
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# User-supplied prove flags such as --verbose can be provided in PROVE_FLAGS.
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PROVE_FLAGS =
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ifeq ($(enable_tap_tests),yes)
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ifndef PGXS
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@ -522,8 +522,50 @@ sub init
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mkdir $self->backup_dir;
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mkdir $self->archive_dir;
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PostgreSQL::Test::Utils::system_or_bail('initdb', '-D', $pgdata, '-A',
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'trust', '-N', @{ $params{extra} });
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# If available and if there aren't any parameters, use a previously
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# initdb'd cluster as a template by copying it. For a lot of tests, that's
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# substantially cheaper. Do so only if there aren't parameters, it doesn't
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# seem worth figuring out whether they affect compatibility.
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#
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# There's very similar code in pg_regress.c, but we can't easily
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# deduplicate it until we require perl at build time.
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if (defined $params{extra} or !defined $ENV{INITDB_TEMPLATE})
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{
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note("initializing database system by running initdb");
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PostgreSQL::Test::Utils::system_or_bail('initdb', '-D', $pgdata, '-A',
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'trust', '-N', @{ $params{extra} });
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}
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else
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{
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my @copycmd;
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my $expected_exitcode;
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note("initializing database system by copying initdb template");
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if ($PostgreSQL::Test::Utils::windows_os)
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{
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@copycmd = qw(robocopy /E /NJS /NJH /NFL /NDL /NP);
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$expected_exitcode = 1; # 1 denotes files were copied
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}
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else
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{
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@copycmd = qw(cp -a);
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$expected_exitcode = 0;
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}
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@copycmd = (@copycmd, $ENV{INITDB_TEMPLATE}, $pgdata);
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my $ret = PostgreSQL::Test::Utils::system_log(@copycmd);
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# See http://perldoc.perl.org/perlvar.html#%24CHILD_ERROR
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if ($ret & 127 or $ret >> 8 != $expected_exitcode)
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{
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BAIL_OUT(
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sprintf("failed to execute command \"%s\": $ret",
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join(" ", @copycmd)));
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}
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}
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PostgreSQL::Test::Utils::system_or_bail($ENV{PG_REGRESS},
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'--config-auth', $pgdata, @{ $params{auth_extra} });
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@ -2295,6 +2295,7 @@ regression_main(int argc, char *argv[],
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FILE *pg_conf;
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const char *env_wait;
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int wait_seconds;
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const char *initdb_template_dir;
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/*
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* Prepare the temp instance
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@ -2316,25 +2317,66 @@ regression_main(int argc, char *argv[],
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if (!directory_exists(buf))
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make_directory(buf);
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/* initdb */
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initStringInfo(&cmd);
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appendStringInfo(&cmd,
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"\"%s%sinitdb\" -D \"%s/data\" --no-clean --no-sync",
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bindir ? bindir : "",
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bindir ? "/" : "",
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temp_instance);
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if (debug)
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appendStringInfo(&cmd, " --debug");
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if (nolocale)
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appendStringInfo(&cmd, " --no-locale");
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appendStringInfo(&cmd, " > \"%s/log/initdb.log\" 2>&1", outputdir);
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fflush(NULL);
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if (system(cmd.data))
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/*
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* Create data directory.
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*
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* If available, use a previously initdb'd cluster as a template by
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* copying it. For a lot of tests, that's substantially cheaper.
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*
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* There's very similar code in Cluster.pm, but we can't easily de
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* duplicate it until we require perl at build time.
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*/
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initdb_template_dir = getenv("INITDB_TEMPLATE");
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if (initdb_template_dir == NULL || nolocale || debug)
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{
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bail("initdb failed\n"
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"# Examine \"%s/log/initdb.log\" for the reason.\n"
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"# Command was: %s",
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outputdir, cmd.data);
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note("initializing database system by running initdb");
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appendStringInfo(&cmd,
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"\"%s%sinitdb\" -D \"%s/data\" --no-clean --no-sync",
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bindir ? bindir : "",
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bindir ? "/" : "",
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temp_instance);
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if (debug)
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appendStringInfo(&cmd, " --debug");
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if (nolocale)
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appendStringInfo(&cmd, " --no-locale");
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appendStringInfo(&cmd, " > \"%s/log/initdb.log\" 2>&1", outputdir);
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fflush(NULL);
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if (system(cmd.data))
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{
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bail("initdb failed\n"
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"# Examine \"%s/log/initdb.log\" for the reason.\n"
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"# Command was: %s",
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outputdir, cmd.data);
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}
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}
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else
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{
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#ifndef WIN32
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const char *copycmd = "cp -a \"%s\" \"%s/data\"";
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int expected_exitcode = 0;
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#else
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const char *copycmd = "robocopy /E /NJS /NJH /NFL /NDL /NP \"%s\" \"%s/data\"";
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int expected_exitcode = 1; /* 1 denotes files were copied */
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#endif
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note("initializing database system by copying initdb template");
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appendStringInfo(&cmd,
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copycmd,
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initdb_template_dir,
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temp_instance);
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appendStringInfo(&cmd, " > \"%s/log/initdb.log\" 2>&1", outputdir);
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fflush(NULL);
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if (system(cmd.data) != expected_exitcode)
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{
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bail("copying of initdb template failed\n"
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"# Examine \"%s/log/initdb.log\" for the reason.\n"
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"# Command was: %s",
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outputdir, cmd.data);
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}
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}
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pfree(cmd.data);
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