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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
Cokiee Shell
| Current Path : /proc/self/root/usr/share/postgresql-common/t/ |
| Current File : //proc/self/root/usr/share/postgresql-common/t/030_errors.t |
# Check all kinds of error conditions.
use strict;
require File::Temp;
use lib 't';
use TestLib;
use Test::More tests => 169;
use lib '/usr/share/postgresql-common';
use PgCommon;
my $version = $MAJORS[-1];
my $socketdir = '/tmp/postgresql-testsuite/';
my ($pg_uid, $pg_gid) = (getpwnam 'postgres')[2,3];
# create a pid file with content $1 and return its path
sub create_pidfile {
my $fname = "/var/lib/postgresql/$version/main/postmaster.pid";
open F, ">$fname" or die "open: $!";
print F $_[0];
close F;
chown $pg_uid, $pg_gid, $fname or die "chown: $!";
chmod 0700, $fname or die "chmod: $!";
return $fname;
}
sub check_nonexisting_cluster_error {
my $outref;
my $result = exec_as 0, $_[0], $outref;
is $result, 1, "'$_[0]' fails";
like $$outref, qr/(invalid version|does not exist)/i, "$_[0] gives error message about nonexisting cluster";
unlike $$outref, qr/invalid symbolic link/i, "$_[0] does not print 'invalid symbolic link' gibberish";
}
# create cluster
ok ((system "pg_createcluster --socketdir '$socketdir' $version main >/dev/null") == 0,
"pg_createcluster --socketdir");
like_program_out 'postgres', 'pg_lsclusters -h', 0, qr/$version\s*main.*5432.*down/, 'cluster was created';
is ((get_cluster_port $version, 'main'), 5432, 'Port of created cluster is 5432');
# creating cluster with the same name should fail
like_program_out 'root', "pg_createcluster --socketdir '$socketdir' $version main", 1, qr/already exists/,
"pg_createcluster on existing cluster";
# and the original one still exists
like_program_out 'postgres', 'pg_lsclusters -h', 0, qr/$version\s*main.*5432.*down/, 'original cluster still exists';
# attempt to create clusters with an invalid port
like_program_out 0, "pg_createcluster $version test -p foo", 1,
qr/invalid.*number expected/,
'pg_createcluster -p checks that port option is numeric';
like_program_out 0, "pg_createcluster $version test -p 42", 1,
qr/must be a positive integer between/,
'pg_createcluster -p checks valid port range';
# attempt to create a cluster with an already used port
like_program_out 0, "pg_createcluster $version test -p 5432", 1,
qr/port 5432 is already used/,
'pg_createcluster -p checks that port is already used';
# chown cluster to an invalid user to test error
(system "chown -R 99 /var/lib/postgresql/$version/main") == 0 or die "chown failed: $!";
is ((system "pg_ctlcluster $version main start 2>/dev/null"), 256,
'pg_ctlcluster fails on invalid cluster owner uid');
(system "chown -R postgres:99 /var/lib/postgresql/$version/main") == 0 or die "chown failed: $!";
is ((system "pg_ctlcluster $version main start 2>/dev/null"), 256,
'pg_ctlcluster as root fails on invalid cluster owner gid');
is ((exec_as 'postgres', "pg_ctlcluster $version main start"), 1,
'pg_ctlcluster as postgres fails on invalid cluster owner gid');
(system "chown -R postgres:postgres /var/lib/postgresql/$version/main") == 0 or die "chown failed: $!";
is ((system "pg_ctlcluster $version main start"), 0,
'pg_ctlcluster succeeds on valid cluster owner uid/gid');
# check socket
ok_dir '/var/run/postgresql', ["$version-main.pid"], 'No sockets in /var/run/postgresql';
ok_dir $socketdir, ['.s.PGSQL.5432', '.s.PGSQL.5432.lock'], "Socket is in $socketdir";
# stop cluster, check sockets
ok ((system "pg_ctlcluster $version main stop") == 0,
'cluster stops after removing unix_socket_dir');
ok_dir $socketdir, [], "No sockets in $socketdir after stopping cluster";
# remove default socket dir and check that the socket defaults to
# /var/run/postgresql
open F, "+</etc/postgresql/$version/main/postgresql.conf" or
die "could not open postgresql.conf for r/w: $!";
my @lines = <F>;
seek F, 0, 0 or die "seek: $!";
truncate F, 0;
@lines = grep !/^unix_socket_directory/, @lines;
print F @lines;
close F;
ok ((system "pg_ctlcluster $version main start") == 0,
'cluster starts after removing unix_socket_dir');
ok_dir '/var/run/postgresql', ['.s.PGSQL.5432', '.s.PGSQL.5432.lock', "$version-main.pid"],
'Socket is in default dir /var/run/postgresql';
ok_dir $socketdir, [], "No sockets in $socketdir";
# server should not stop with corrupt file
rename "/var/lib/postgresql/$version/main/postmaster.pid",
"/var/lib/postgresql/$version/main/postmaster.pid.orig" or die "rename: $!";
create_pidfile 'foo';
is_program_out 'postgres', "pg_ctlcluster $version main stop", 1,
"Error: pid file is invalid, please manually kill the stale server process.\n",
'pg_ctlcluster fails with corrupted PID file';
like_program_out 'postgres', 'pg_lsclusters -h', 0, qr/online/, 'cluster is still online';
# restore PID file
(system "cp /var/lib/postgresql/$version/main/postmaster.pid.orig /var/lib/postgresql/$version/main/postmaster.pid") == 0 or die "cp: $!";
is ((exec_as 'postgres', "pg_ctlcluster $version main stop"), 0,
'pg_ctlcluster succeeds with restored PID file');
like_program_out 'postgres', 'pg_lsclusters -h', 0, qr/down/, 'cluster is down';
# stop stopped server
is_program_out 'postgres', "pg_ctlcluster $version main stop", 2,
"Cluster is not running.\n", 'pg_ctlcluster stop fails on stopped cluster';
# simulate crashed server
rename "/var/lib/postgresql/$version/main/postmaster.pid.orig",
"/var/lib/postgresql/$version/main/postmaster.pid" or die "rename: $!";
is_program_out 'postgres', "pg_ctlcluster $version main start", 0,
"Removed stale pid file.\n", 'pg_ctlcluster succeeds with already existing PID file';
like_program_out 'postgres', 'pg_lsclusters -h', 0, qr/online/, 'cluster is online';
is ((exec_as 'postgres', "pg_ctlcluster $version main stop"), 0,
'pg_ctlcluster stop succeeds');
like_program_out 'postgres', 'pg_lsclusters -h', 0, qr/down/, 'cluster is down';
ok (! -e "/var/lib/postgresql/$version/main/postmaster.pid", 'no pid file left');
# trying to stop a stopped server cleans up corrupt and stale pid files
my $pf = create_pidfile 'foo';
is_program_out 'postgres', "pg_ctlcluster $version main stop", 2,
"Removed stale pid file.\nCluster is not running.\n",
'pg_ctlcluster stop succeeds with corrupted PID file';
ok (! -e $pf, 'pid file was cleaned up');
create_pidfile 'foo';
is_program_out 'postgres', "pg_ctlcluster --force $version main stop", 2,
"Removed stale pid file.\nCluster is not running.\n",
'pg_ctlcluster --force stop succeeds with corrupted PID file';
ok (! -e $pf, 'pid file was cleaned up');
create_pidfile '99998';
is_program_out 'postgres', "pg_ctlcluster $version main stop", 2,
"Removed stale pid file.\nCluster is not running.\n",
'pg_ctlcluster stop succeeds with stale PID file';
ok (! -e $pf, 'pid file was cleaned up');
create_pidfile '99998';
is_program_out 'postgres', "pg_ctlcluster --force $version main stop", 2,
"Removed stale pid file.\nCluster is not running.\n",
'pg_ctlcluster --force stop succeeds with stale PID file';
ok (! -e $pf, 'pid file was cleaned up');
# corrupt PID file while server is down
create_pidfile 'foo';
is_program_out 'postgres', "pg_ctlcluster $version main start", 0,
"Removed stale pid file.\n", 'pg_ctlcluster succeeds with corrupted PID file';
like_program_out 'postgres', 'pg_lsclusters -h', 0, qr/online/, 'cluster is online';
# start running server
is_program_out 'postgres', "pg_ctlcluster $version main start", 2,
"Cluster is already running.\n", 'pg_ctlcluster start fails on running cluster';
# stop server, test invalid configuration
is ((exec_as 'postgres', "pg_ctlcluster $version main stop"), 0, 'pg_ctlcluster stop');
PgCommon::set_conf_value $version, 'main', 'postgresql.conf',
'log_statement_stats', 'true';
PgCommon::set_conf_value $version, 'main', 'postgresql.conf',
'log_planner_stats', 'true';
like_program_out 'postgres', "pg_ctlcluster $version main start", 1,
qr/Error: invalid postgresql.conf.*log_.*mutually exclusive/,
'pg_ctlcluster start fails with invalid configuration';
# repair configuration
PgCommon::set_conf_value $version, 'main', 'postgresql.conf',
'log_planner_stats', 'false';
is_program_out 'postgres', "pg_ctlcluster $version main start", 0, '',
'pg_ctlcluster start succeeds again with valid configuration';
is_program_out 'postgres', "pg_ctlcluster $version main stop", 0, '', 'stopping cluster';
# backup pg_hba.conf
rename "/etc/postgresql/$version/main/pg_hba.conf",
"/etc/postgresql/$version/main/pg_hba.conf.orig" or die "rename: $!";
# test check for invalid pg_hba.conf
open F, ">/etc/postgresql/$version/main/pg_hba.conf" or die "could not create pg_hba.conf: $!";
print F "foo\n";
close F;
chmod 0644, "/etc/postgresql/$version/main/pg_hba.conf" or die "chmod: $!";
if ($version lt '8.4') {
like_program_out 'postgres', "pg_ctlcluster $version main start", 0,
qr/WARNING.*connection to the database failed.*pg_hba.conf/is,
'pg_ctlcluster start warns about invalid pg_hba.conf';
is_program_out 'postgres', "pg_ctlcluster $version main stop", 0, '', 'stopping cluster';
} else {
like_program_out 'postgres', "pg_ctlcluster $version main start", 1,
qr/FATAL.*pg_hba.conf/is,
'pg_ctlcluster start fails on invalid pg_hba.conf';
is_program_out 'postgres', "pg_ctlcluster $version main stop", 2,
"Cluster is not running.\n", 'stopping cluster';
}
# test check for pg_hba.conf with removed passwordless local superuser access
open F, ">/etc/postgresql/$version/main/pg_hba.conf" or die "could not create pg_hba.conf: $!";
print F "local all all md5\n";
close F;
chmod 0644, "/etc/postgresql/$version/main/pg_hba.conf" or die "chmod: $!";
like_program_out 'postgres', "pg_ctlcluster $version main start", 0,
qr/WARNING.*connection to the database failed.*postgres/is,
'pg_ctlcluster start warns about absence of passwordless superuser connection';
is_program_out 'postgres', "pg_ctlcluster $version main stop", 0, '', 'stopping cluster';
# restore pg_hba.conf
unlink "/etc/postgresql/$version/main/pg_hba.conf";
rename "/etc/postgresql/$version/main/pg_hba.conf.orig",
"/etc/postgresql/$version/main/pg_hba.conf" or die "rename: $!";
# leftover files must not create confusion
open F, '>/etc/postgresql/postgresql.conf';
print F "data_directory = '/nonexisting'\n";
close F;
my @c = get_version_clusters $version;
is_deeply (\@c, ['main'],
'leftover /etc/postgresql/postgresql.conf is not regarded as a cluster');
unlink '/etc/postgresql/postgresql.conf';
# fails by default due to access restrictions
# remove cluster and directory; this should work as user "postgres"
is_program_out 'postgres', "pg_dropcluster $version main", 0, '',
, "pg_dropcluster works as user postgres";
# graceful handling of absent data dir (might not be mounted)
ok ((system "pg_createcluster $version main >/dev/null") == 0,
"pg_createcluster succeeds");
rename "/var/lib/postgresql", "/var/lib/postgresql.orig" or die "rename: $!";
my $outref;
is ((exec_as 0, "pg_ctlcluster $version main start", $outref, 1), 1,
'pg_ctlcluster fails on nonexisting /var/lib/postgresql');
like $$outref, qr/^Error:.*\/var\/lib\/postgresql.*not accessible.*$/, 'proper error message for nonexisting /var/lib/postgresql';
rename "/var/lib/postgresql.orig", "/var/lib/postgresql" or die "rename: $!";
is_program_out 'postgres', "pg_ctlcluster $version main start", 0, '',
'pg_ctlcluster start succeeds again with reappeared /var/lib/postgresql';
is_program_out 'postgres', "pg_ctlcluster $version main stop", 0, '', 'stopping cluster';
# pg_ctlcluster checks colliding ports
ok ((system "pg_createcluster $version other >/dev/null") == 0,
"pg_createcluster other");
set_cluster_port $version, 'other', '5432';
is ((exec_as 'postgres', "pg_ctlcluster $version main start"), 0,
'pg_ctlcluster: main cluster on conflicting port starts');
# clusters can run side by side on different socket directories
set_cluster_socketdir $version, 'other', '/tmp';
PgCommon::set_conf_value $version, 'other', 'postgresql.conf',
'listen_addresses', ''; # otherwise they will conflict on TCP socket
is ((exec_as 'postgres', "pg_ctlcluster $version other start"), 0,
'pg_ctlcluster: other cluster starts on conflicting port, but different socket dirs');
is ((exec_as 'postgres', "pg_ctlcluster $version other stop"), 0);
# ... but will give an error when running on the same port
set_cluster_socketdir $version, 'other', '/var/run/postgresql';
like_program_out 'postgres', "pg_ctlcluster $version other start", 1,
qr/Port conflict:.*port 5432/,
'pg_ctlcluster other cluster fails on conflicting port and same socket dir';
is_program_out 'postgres', "pg_ctlcluster $version main stop", 0, '',
'stopping main cluster';
is ((exec_as 'postgres', "pg_ctlcluster $version other start"), 0,
'pg_ctlcluster: other cluster on conflicting port starts after main is down');
ok ((system "pg_dropcluster $version other --stop") == 0,
'pg_dropcluster other');
# clean up
ok ((system "pg_dropcluster $version main") == 0,
'pg_dropcluster');
ok_dir $socketdir, [], 'No sockets any more';
rmdir $socketdir or die "rmdir: $!";
# ensure sane error messages for nonexisting clusters
check_nonexisting_cluster_error 'psql --cluster 4.5/foo';
check_nonexisting_cluster_error "psql --cluster $MAJORS[0]/foo";
check_nonexisting_cluster_error "pg_dropcluster 4.5 foo";
check_nonexisting_cluster_error "pg_dropcluster $MAJORS[0] foo";
check_nonexisting_cluster_error "pg_upgradecluster 4.5 foo";
check_nonexisting_cluster_error "pg_upgradecluster $MAJORS[0] foo";
check_nonexisting_cluster_error "pg_ctlcluster 4.5 foo stop";
check_nonexisting_cluster_error "pg_ctlcluster $MAJORS[0] foo stop";
check_clean;
# check that pg_dropcluster copes with partially existing cluster
# configurations (which can happen if the disk becomes full)
mkdir '/etc/postgresql/';
mkdir "/etc/postgresql/$MAJORS[-1]";
mkdir "/etc/postgresql/$MAJORS[-1]/broken" or die "mkdir: $!";
symlink "/var/lib/postgresql/$MAJORS[-1]/broken", "/etc/postgresql/$MAJORS[-1]/broken/pgdata" or die "symlink: $!";
unlike_program_out 0, "pg_dropcluster $MAJORS[-1] broken", 0, qr/error/i,
'pg_dropcluster cleans up broken cluster configuration (only /etc with pgdata)';
check_clean;
mkdir '/etc/postgresql/';
mkdir '/var/lib/postgresql/';
mkdir "/etc/postgresql/$MAJORS[-1]" and
mkdir "/etc/postgresql/$MAJORS[-1]/broken";
mkdir "/var/lib/postgresql/$MAJORS[-1]";
mkdir "/var/lib/postgresql/$MAJORS[-1]/broken";
mkdir "/var/lib/postgresql/$MAJORS[-1]/broken/base" or die "mkdir: $!";
symlink "/var/lib/postgresql/$MAJORS[-1]/broken", "/etc/postgresql/$MAJORS[-1]/broken/pgdata" or die "symlink: $!";
open F, ">/etc/postgresql/$MAJORS[-1]/broken/postgresql.conf" or die "open: $!";
close F;
open F, ">/var/lib/postgresql/$MAJORS[-1]/broken/PG_VERSION" or die "open: $!";
close F;
unlike_program_out 0, "pg_dropcluster $MAJORS[-1] broken", 0, qr/error/i,
'pg_dropcluster cleans up broken cluster configuration (/etc with pgdata and postgresql.conf and partial /var)';
check_clean;
# check that a failed pg_createcluster leaves no cruft behind: create a 10 MB
# loop partition, temporarily mount it to /var/lib/postgresql
my $loop = new File::Temp (UNLINK => 1) or die "could not create temporary file: $!";
truncate $loop, 10000000 or die "truncate: $!";
close $loop;
END { system "umount /var/lib/postgresql 2>/dev/null; losetup -d /dev/loop7 2>/dev/null; true"; }
(system "modprobe loop; losetup /dev/loop7 $loop && mkfs.ext2 /dev/loop7 >/dev/null 2>&1 && mount -t ext2 /dev/loop7 /var/lib/postgresql") == 0 or
die 'Could not create and mount loop partition';
like_program_out 0, "LC_MESSAGES=C pg_createcluster $MAJORS[-1] test", 1, qr/No space left on device/i,
'pg_createcluster fails due to insufficient disk space';
ok_dir '/var/lib/postgresql', ['lost+found'],
'No files in /var/lib/postgresql /left behind after failed pg_createcluster';
ok_dir '/etc/postgresql', [],
'No files in /etc/postgresql /left behind after failed pg_createcluster';
(system 'umount /var/lib/postgresql') == 0 or die 'failed to unmount';
(system "losetup -d /dev/loop7") == 0 or die 'failed to remove loop device';
check_clean;
# vim: filetype=perl
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