Bug Fixes:
* Remove request for S3 object info directly after putting it. (Reported by Matt Kunkel.)
* Correct archive-get-queue-max to be size type. (Reported by Ronan Dunklau.)
* Add error message when current user uid/gid does not map to a name. (Reported by Camilo Aguilar.)
* Error when --target-action=shutdown specified for PostgreSQL < 9.5.
Improvements:
* Set TCP keepalives on S3 connections. (Suggested by Ronan Dunklau.)
* Reorder info command text output so most recent backup is output last. (Contributed by Cynthia Shang. Suggested by Ryan Lambert.)
* Change file ownership only when required.
* Redact authentication header when throwing S3 errors. (Suggested by Brad Nicholson.)
Admonitions call out places where the user should take special care.
Support added for HTML, PDF, Markdown and help text renderers. XML files have been updated accordingly.
Contributed by Cynthia Shang.
After a stanza-upgrade backups for the old cluster are displayed until they expire. Cluster info was output newest to oldest which meant after an upgrade the most recent backup would no longer be output last.
Update the text output ordering so the most recent backup is always output last.
Contributed by Cynthia Shang.
Suggested by Ryan Lambert.
The info command will only be executed in C if the repository is local, i.e. not located on a remote repository host. S3 is considered "local" in this case.
This is a direct migration from Perl to integrate as seamlessly with the remaining Perl code as possible. It should not be possible to determine if the C version is running unless debug-level logging is enabled.
Contributed by Cynthia Shang.
The infoBackup object is the counterpart to the infoArchive object which encapsulates the archive.info file.
Currently the object is read-only, i.e. it is not possible to create a new or modify an existing backup.info file.
There a number of constants that will also be used in the infoManifest object so go ahead and create a module to contain them so they don't need to be moved later.
Contributed by Cynthia Shang.
Some commands (e.g. info) do not take a stanza or the stanza is optional. In that case it is the job of the command to construct the repository path with a stanza as needed.
Update helper functions to omit the stanza from the constructed path when it is NULL.
Contributed by Cynthia Shang.
- Add detail to errors when info files are loaded with incorrect encryption settings.
- Throw FileMissingError rather than FileOpenError when both copies of the info file are missing.
- If one file is present (but errors) and the other is missing, then return the error for the file that was present.
Contributed by Cynthia Shang.
Previously chown() would be called even when no ownership changes were required.
In most cases changes are not required and it seems better to perform an extra stat() rather than an extra chown().
Also add unit tests for owner() since there weren't any.
This got missed in 1f8931f7 when the test binary was renamed.
Also output call graph along with the flat report. The flat report is generally most useful but it doesn't hurt to have both.
The previous error message only showed the last error. In addition, some errors were missed (such as directory permission errors) that could prevent the copy from being checked.
Show both errors below a generic "unable to load" error. Details are now given explaining exactly why the primary and copy failed.
Previously if one file could not be loaded a warning would be output. This has been removed because it is not clear what the user should do in this case. Should they do a stanza-create --force? Maybe the best idea is to automatically repair the corrupt file, but on the other hand that might just spread corruption if pgBackRest makes the wrong choice.
The decryption filter was added in archiveGetFile() and archiveGetCheck() was modified to return the WAL decryption key stored in archive.info. The rest was plumbing.
The mock/archive/1 integration test added encryption to provide coverage for the new code paths while mock/archive/2 dropped encryption to provide coverage for the existing code paths. This caused some churn in the expect logs but there was no change in behavior.
If InOut filters were placed next to each other then the second filter would never get a NULL input signaling it to flush. This arrangement only worked if the second filter had some other indication that it should flush, such as a decompression filter where the flush is indicated in the input stream.
This is not a live issue because currently no InOut filters are chained together.
This allows CipherBlock to be used as a filter in an IoFilterGroup. The C-style functions used by Perl are now deprecated and should not be used for any new code.
Also add functions to convert between cipher names and CipherType.
Some of the old names conflict with the new functions that must be created to implement the filter. Rename these to cipherBlock*C() to indicate that they take C-style parameters.
These functions are only used by the Perl LibC code and will be removed or refactored eventually.
If the connection closed before all content was sent httpClientRead() would get stuck in an infinite loop waiting for it to arrive.
EOF should never be reached during content read so immediately error if EOF is detected.
Add boolean and one-dimensional list types to jsonToKv().
Add varToJson() and kvToJson() to convert Variants and KeyValues to JSON.
Contributed by Cynthia Shang.
The only change required was to remove the filter that prevented S3 storage from being used. The archive-get command did not require any modification which demonstrates that the storage interface is working as intended.
The mock/archive/3 integration test was modified to run S3 storage locally to provide coverage for the new code paths while mock/stanza/3 was modified to run S3 storage remotely to provide coverage for the existing code paths. This caused some churn in the expect logs but there was no change in behavior.
TlsClient introduced a non-blocking read which is required to read protocol messages that are linefeed-terminated rather than a known size. However, in many cases the expected number of bytes is known in advance so in that case it is more efficient to have tlsClientRead() block until all the bytes are read.
Add block parameter to all read functions and use it when a blocking read is required. For most read functions this is a noop, i.e. if the read function never blocks then it can ignore the parameter.
In passing, set the log level of storageNew*() functions to debug to expose more high-level I/O operations.
A robust HTTP client with pipelining support and automatic retries.
Using a single object to make multiple requests is more efficient because requests are pipelined whenever possible. Requests are automatically retried when the connection has been closed by the server. Any 5xx response is also retried.
Only the HTTPS protocol is currently supported.
A simple, secure TLS client intended to allow access to services that are exposed via HTTPS. We call it TLS instead of SSL because SSL methods are disabled so only TLS connections are allowed.
This object is intended to be used for multiple TLS connections against a service so tlsClientOpen() can be called each time a new connection is needed. By default, an open connection will be reused for pipelining so the user must be prepared to retry their transaction on a read/write error if the server closes the connection before it can be reused. If this behavior is not desirable then tlsClientClose() may be used to ensure that the next call to tlsClientOpen() will create a new TLS session.
Note that tlsClientRead() is non-blocking unless there are *zero* bytes to be read from the session in which case it will raise an error after the defined timeout. In any case the tlsClientRead()/tlsClientWrite()/tlsClientEof() functions should not generally be called directly. Instead use the read/write interfaces available from tlsClientIoRead()/tlsClientIoWrite().
Test certificates were generated dynamically but there are advantages to using static certificates. For example, it possible to use the same certificate between container versions. Mostly, it is easier to document the certificates if they are not buried deep in the container code.
The new test certificates are initially intended to be used with the C unit tests but they will eventually be used for integration tests as well.
Two new certificates have been defined. See test/certificate/README.md for details.
The old dynamic certificates will be retained until they are replaced.
Add XmlDocument, XmlNode, and XmlNodeList objects as a thin interface layer on libxml2.
This interface is not intended to be comprehensive. Only a few libxml2 capabilities are exposed but more can be added as needed.
This allows a C unit test to access data in the code repository that might be useful for testing.
Add testRepoPathSet() to set the repository path.
In passing remove extra whitespace in the TEST_RESULT_VOID() macro.
Bug Fixes:
* Fix issue with archive-push-queue-max not being honored on connection error. (Reported by Lardière Sébastien.)
* Fix static WAL segment size used to determine if archive-push-queue-max has been exceeded.
* Fix error after log file open failure when processing should continue. (Reported by vthriller.)
Features:
* Automatically enable backup checksum delta when anomalies (e.g. timeline switch) are detected. (Contributed by Cynthia Shang.)
Improvements:
* Retry all S3 5xx errors rather than just 500 internal errors. (Suggested by Craig A. James.)
This commit introduced PGBACKREST_CONFIG_ORIG_PATH_FILE_STR as a String constant for PGBACKREST_CONFIG_ORIG_PATH_FILE but failed to get the value correct.
Also, no test was added for PGBACKREST_CONFIG_ORIG_PATH_FILE_STR to prevent regressions as there is for PGBACKREST_CONFIG_ORIG_PATH_FILE.
These interfaces previously used the memory context of the object they were associated with and did not have their own destructors.
There are times when it is useful to free the interface without also freeing the underlying object so give IoRead and IoWrite their own memory contexts and destructors.
In passing fix a comment type in bufferRead.c.
By default the IoWrite object does not write until the output buffer is full but this is a problem for protocol messages that must be sent in order to get a response.
ioWriteFlush() is not called internally by IoWrite but can be used at any time to immediately write all bytes from the output buffer without closing the IoWrite object.
The prior message stated that there had been a buffer overrun which is not true since the code prevents that.
In fact, this message means the parameter buffer filled while building the parameter list. Rather than display a partial list we output this message instead.
Also remove !!! which by convention we use as a marker for code that needs attention before it can be committed to master.
