| Commit message (Collapse) | Author | Age |
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The modules RewindTest.pm and ServerSetup.pm are really only useful for
TAP tests, so they really belong in the TAP test directories. In
addition, ServerSetup.pm is renamed to SSLServer.pm.
The test scripts have their own directories added to the search path so
that the relocated modules will be found, regardless of where the tests
are run from, even on modern perl where "." is no longer in the
searchpath.
Discussion: https://postgr.es/m/e4b0f366-269c-73c3-9c90-d9cb0f4db1f9@2ndQuadrant.com
Backpatch as appropriate to 9.5
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This is what one usually wants for recovery and almost always wants
for a standby.
Discussion: https://www.postgresql.org/message-id/flat/6dd2c23a-4162-8469-410f-bfe146e28c0c@2ndquadrant.com/
Reviewed-by: David Steele <david@pgmasters.net>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
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recovery.conf settings are now set in postgresql.conf (or other GUC
sources). Currently, all the affected settings are PGC_POSTMASTER;
this could be refined in the future case by case.
Recovery is now initiated by a file recovery.signal. Standby mode is
initiated by a file standby.signal. The standby_mode setting is
gone. If a recovery.conf file is found, an error is issued.
The trigger_file setting has been renamed to promote_trigger_file as
part of the move.
The documentation chapter "Recovery Configuration" has been integrated
into "Server Configuration".
pg_basebackup -R now appends settings to postgresql.auto.conf and
creates a standby.signal file.
Author: Fujii Masao <masao.fujii@gmail.com>
Author: Simon Riggs <simon@2ndquadrant.com>
Author: Abhijit Menon-Sen <ams@2ndquadrant.com>
Author: Sergei Kornilov <sk@zsrv.org>
Discussion: https://www.postgresql.org/message-id/flat/607741529606767@web3g.yandex.ru/
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This is an option consistent with what pg_dump and pg_basebackup provide
which is useful for leveraging the I/O effort when testing things, not
to be used in a production environment.
Author: Michael Paquier
Reviewed-by: Heikki Linnakangas
Discussion: https://postgr.es/m/20180325122607.GB3707@paquier.xyz
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In TAP test functions, that is, those that produce test results, locally
increment $Test::Builder::Level. This has the effect that test failures
are reported at the callers location rather than somewhere in the test
support libraries.
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
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This complies with the perlcritic policy
Subroutines::RequireFinalReturn, which is a severity 4 policy. Since we
only currently check at severity level 5, the policy is raised to that
level until we move to level 4 or lower, so that any new infringements
will be caught.
A small cosmetic piece of tidying of the pgperlcritic script is
included.
Mike Blackwell
Discussion: https://postgr.es/m/CAESHdJpfFm_9wQnQ3koY3c91FoRQsO-fh02za9R3OEMndOn84A@mail.gmail.com
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The vertical tightness settings collapse vertical whitespace between
opening and closing brackets (parentheses, square brakets and braces).
This can make data structures in particular harder to read, and is not
very consistent with our style in non-Perl code. This patch restricts
that setting to parentheses only, and reformats all the perl code
accordingly. Not applying this to parentheses has some unfortunate
effects, so the consensus is to keep the setting for parentheses and not
for the others.
The diff for this patch does highlight some places where structures
should have trailing commas. They can be added manually, as there is no
automatic tool to do so.
Discussion: https://postgr.es/m/a2f2b87c-56be-c070-bfc0-36288b4b41c1@2ndQuadrant.com
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Discussion: https://postgr.es/m/CABUevEzK3cNiHZQ18f5tK0guoT+cN_jWeVzhYYxY=r+1Q3SmoA@mail.gmail.com
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Allow the cluster to be optionally init'd with read access for the
group.
This means a relatively non-privileged user can perform a backup of the
cluster without requiring write privileges, which enhances security.
The mode of PGDATA is used to determine whether group permissions are
enabled for directory and file creates. This method was chosen as it's
simple and works well for the various utilities that write into PGDATA.
Changing the mode of PGDATA manually will not automatically change the
mode of all the files contained therein. If the user would like to
enable group access on an existing cluster then changing the mode of all
the existing files will be required. Note that pg_upgrade will
automatically change the mode of all migrated files if the new cluster
is init'd with the -g option.
Tests are included for the backend and all the utilities which operate
on the PG data directory to ensure that the correct mode is set based on
the data directory permissions.
Author: David Steele <david@pgmasters.net>
Reviewed-By: Michael Paquier, with discussion amongst many others.
Discussion: https://postgr.es/m/ad346fe6-b23e-59f1-ecb7-0e08390ad629%40pgmasters.net
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Consolidate directory and file create permissions for tools which work
with the PG data directory by adding a new module (common/file_perm.c)
that contains variables (pg_file_create_mode, pg_dir_create_mode) and
constants to initialize them (0600 for files and 0700 for directories).
Convert mkdir() calls in the backend to MakePGDirectory() if the
original call used default permissions (always the case for regular PG
directories).
Add tests to make sure permissions in PGDATA are set correctly by the
tools which modify the PG data directory.
Authors: David Steele <david@pgmasters.net>,
Adam Brightwell <adam.brightwell@crunchydata.com>
Reviewed-By: Michael Paquier, with discussion amongst many others.
Discussion: https://postgr.es/m/ad346fe6-b23e-59f1-ecb7-0e08390ad629%40pgmasters.net
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This was nearly the same code. Extend wait_for_catchup to allow waiting
for pg_current_wal_lsn() and use that in the subscription tests. Also
change one use in the pg_rewind tests to use this.
Also remove some broken code in wait_for_catchup and
wait_for_slot_catchup. The error message in case the waiting failed
wanted to show the current LSN, but the way it was written never
worked. So since nobody ever cared, just remove it.
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
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This is only used in the pg_rewind tests, so only set it there. It's
better if other tests run closer to a default configuration.
Author: Michael Paquier <michael.paquier@gmail.com>
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This moves the data directories from using temporary directories with
randomness in the directory name to a static name, to make it easier to
debug. The data directory will be retained if tests fail or the test
code dies/exits with failure, and is automatically removed on the next
make check.
If the environment variable PG_TEST_NOCLEAN is defined, the data
directories will be retained regardless of test or exit status.
Author: Daniel Gustafsson <daniel@yesql.se>
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This affects mostly code comments, some documentation, and tests.
Official APIs already used "standby".
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Per discussion, "location" is a rather vague term that could refer to
multiple concepts. "LSN" is an unambiguous term for WAL locations and
should be preferred. Some function names, view column names, and function
output argument names used "lsn" already, but others used "location",
as well as yet other terms such as "wal_position". Since we've already
renamed a lot of things in this area from "xlog" to "wal" for v10,
we may as well incur a bit more compatibility pain and make these names
all consistent.
David Rowley, minor additional docs hacking by me
Discussion: https://postgr.es/m/CAKJS1f8O0njDKe8ePFQ-LK5-EjwThsDws6ohJ-+c6nWK+oUxtg@mail.gmail.com
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Commit f82ec32ac30ae7e3ec7c84067192535b2ff8ec0e renamed the pg_xlog
directory to pg_wal. To make things consistent, and because "xlog" is
terrible terminology for either "transaction log" or "write-ahead log"
rename all SQL-callable functions that contain "xlog" in the name to
instead contain "wal". (Note that this may pose an upgrade hazard for
some users.)
Similarly, rename the xlog_position argument of the functions that
create slots to be called wal_position.
Discussion: https://www.postgresql.org/message-id/CA+Tgmob=YmA=H3DbW1YuOXnFVgBheRmyDkWcD9M8f=5bGWYEoQ@mail.gmail.com
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Switch TAP tests to use the new wait mode of pg_ctl promote. This
allows avoiding extra logic with poll_query_until() to be sure that a
promoted standby is ready for read-write queries.
From: Michael Paquier <michael.paquier@gmail.com>
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Add tests for consistent support of connection strings in frontend
programs as well as proper handling of unusual characters in database
and user names. These tests were developed for the issues of
CVE-2016-5424.
To allow testing of names with spaces, change the pg_regress
command-line options --create-role and --dbname to split their arguments
by comma only, not space or comma as before. Only commas were actually
used in existing uses.
Noah Misch, Michael Paquier, Peter Eisentraut
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Some code in the RewindTest test suite is more generally useful than
just for that suite, so put it where other test suites can reach it.
Some postgresql.conf parameters change their default values when a
cluster is initialized with 'allows_streaming' than the previous
behavior; most notably, autovacuum is no longer turned off.
(Also, we no longer call pg_ctl promote with -w, but that flag doesn't
actually do anything in promote so there's no behavior change.)
Author: Michael Paquier
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This makes the log files easier to follow when investigating a test
failure.
Author: Michael Paquier
Review: Noah Misch
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Masahiko Sawada
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The original code was a bit clunky; make it more amenable for further
reuse by creating a new Perl package PostgresNode, which is an
object-oriented representation of a single server, with some support
routines such as init, start, stop, psql. This serves as a better basis
on which to build further test code, and enables writing tests that use
more than one server without too much complication.
This commit modifies a lot of the existing test files, mostly to remove
explicit calls to system commands (pg_ctl) replacing them with method
calls of a PostgresNode object. The result is quite a bit more
straightforward.
Also move some initialization code to BEGIN and INIT blocks instead of
having it straight in as top-level code.
This commit also introduces package RecursiveCopy so that we can copy
whole directories without having to depend on packages that may not be
present on vanilla Perl 5.8 installations.
I also ran perltidy on the modified files, which changes some code sites
that are not otherwise touched by this patch. I tried to avoid this,
but it ended up being more trouble than it's worth.
Authors: Michael Paquier, Álvaro Herrera
Review: Noah Misch
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If a transaction never reaches the standby, later tests find unexpected
cluster state. A "tail-copy: query result matches" test failure has
been the usual symptom. Among the buildfarm members having run this
test suite, most have exhibited that symptom at least once. Back-patch
to 9.5, where pg_rewind was introduced.
Michael Paquier, reported by Christoph Berg.
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Older versions have rmtree but not remove_tree. The one-argument forms
of these are equivalent, so replace remove_tree with rmtree. This allows
the tests to be run on oldish Msys systems.
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pg_xlog is often a symlink, typically to a different filesystem. Don't
get confused and comlain about by that, and just always pretend that it's a
normal directory, even if it's really a symlink.
Also add a test case for this.
Backpatch to 9.5.
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Since commit 01f6bb4b2, TestLib.pm has exported path to tmp_check directory,
so let's use that also for the pg_rewind test clusters etc.
Also, in master, the $tempdir_short variable has not been used since commit
13d856e17, which moved the initdb-running code to TestLib.pm.
Backpatch to 9.5.
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On Windows, use listen_address=127.0.0.1 to allow TCP connections. We were
already using "pg_regress --config-auth" to set up HBA appropriately. The
standard_initdb helper function now sets up the server's
unix_socket_directories or listen_addresses in the config file, so that
they don't need to be specified in the pg_ctl command line anymore. That
way, the pg_ctl invocations in test programs don't need to differ between
Windows and Unix.
Add another helper function to configure the server's pg_hba.conf to allow
replication connections. The configuration is done similarly to "pg_regress
--config-auth": trust on domain sockets on Unix, and SSPI authentication on
Windows.
Replace calls to "cat" and "touch" programs with built-in perl code, as
those programs don't normally exist on Windows.
Add instructions in the docs on how to install IPC::Run on Windows. Adjust
vcregress.pl to not replace PERL5LIB completely in vcregress.pl, because
otherwise cannot install IPC::Run in a non-standard location easily.
Michael Paquier, reviewed by Noah Misch, some additional tweaking by me.
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Given this it is possible that the buildfarm animals running these tests
will be able to capture adequate logging to allow diagnosis of failures.
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Gives more information in the log, to debug possible failures.
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Create a log file for each test run. Stdout and stderr of the test script,
as well as any subprocesses run as part of the test, are redirected to
the log file. This makes it a lot easier to debug test failures. Also print
the test output (ok 12 - ... messages) to the log file, and the command
line of any external programs executed with the system_or_bail and run_log
functions. This makes it a lot easier to debug failing tests.
Modify some of the pg_ctl and other command invocations to not use 'silent'
or 'quiet' options, and don't redirect output to /dev/null, so that you get
all the information in the log instead.
In the passing, construct some command lines in a way that works if $tempdir
contains quote-characters. I haven't systematically gone through all of
them or tested that, so I don't know if this is enough to make that work.
pg_rewind tests had a custom mechanism for creating a similar log file. Use
the new generic facility instead.
Michael Paquier and me.
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pg_rewind looks at the control file to determine the server's timeline. If
the standby performs a "fast promotion", the timeline ID in the control
file is not updated until the next checkpoint. The startup process requests
a checkpoint immediately after promotion, so this is unlikely to be an
issue in the real world, but the regression suite ran pg_rewind so quickly
after promotion that the checkpoint had not yet completed.
Reported by Stephen Frost
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There were a couple of hard-coded sleeps in the tests: to wait for standby
to catch up with master, and to wait for promotion with "pg_ctl promote"
to complete. Instead of a fixed, hard-coded sleep, poll the server with a
query once a second. This isn't ideal either, and I wish we had a better
solution for real-world applications too, but this should fix the
immediate problem.
Patch by Michael Paquier, with some editing by me.
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Now that the test servers are initialized twice in each .pl script,
the single END block is not enough to stop them. Add a new clean_rewind_test
function that is called at the end of each test.
Michael Paquier
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Should call just "pg_rewind", instead of "./pg_rewind". The tests are called
so that PATH contains the temporariy installation bin dir.
Per report from Alvaro Herrera
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* Don't pass arguments to prove, since that's not supported on perl 5.8
which is the minimum version supported by the TAP tests. Refactor the
test files themselves to run the tests twice, in both local and remote mode.
* Use eq rather than == for string comparison. This thinko caused the remote
versions of the tests to never run.
* Add "use strict" and "use warnings", and fix warnings that that produced.
* Increase the delay after standby promotion, to make the tests more robust.
* In remote mode, the connection string to the promoted standby was
incorrect, leading to connection errors.
Patch by Michael Paquier, to address Peter Eisentraut's report.
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Earlier versions of this tool were available (and still are) on github.
Thanks to Michael Paquier, Alvaro Herrera, Peter Eisentraut, Amit Kapila,
and Satoshi Nagayasu for review.
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