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Make pg_rewind read encrypted XLog #22

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Make pg_rewind read encrypted XLog #22

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13 changes: 13 additions & 0 deletions src/bin/pg_rewind/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,19 @@ OBJS = \

EXTRA_CLEAN = xlogreader.c

ifeq ($(enable_percona_ext),yes)
# TODO: Ideally should be built in pg_tde as a static lib
include $(top_srcdir)/contrib/pg_tde/Makefile.tools

TDE_OBJS2 = $(TDE_OBJS:%=$(top_srcdir)/contrib/pg_tde/%)

OBJS += \
$(top_srcdir)/src/fe_utils/simple_list.o \
$(TDE_OBJS2)

override CPPFLAGS := -I$(top_srcdir)/contrib/pg_tde/src/include -I$(top_srcdir)/contrib/pg_tde/src/libkmip/libkmip/include $(CPPFLAGS)
endif

all: pg_rewind

pg_rewind: $(OBJS) | submake-libpq submake-libpgport
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4 changes: 3 additions & 1 deletion src/bin/pg_rewind/meson.build
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Expand Up @@ -12,6 +12,7 @@ pg_rewind_sources = files(
)

pg_rewind_sources += xlogreader_sources
pg_rewind_sources += tde_decrypt_sources

if host_system == 'windows'
pg_rewind_sources += rc_bin_gen.process(win32ver_rc, extra_args: [
Expand All @@ -21,9 +22,10 @@ endif

pg_rewind = executable('pg_rewind',
pg_rewind_sources,
dependencies: [frontend_code, libpq, lz4, zstd],
dependencies: [frontend_code, libpq, lz4, zstd, tde_deps],
c_args: ['-DFRONTEND'], # needed for xlogreader et al
kwargs: default_bin_args,
include_directories: [postgres_inc, tde_include],
)
bin_targets += pg_rewind

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8 changes: 8 additions & 0 deletions src/bin/pg_rewind/parsexlog.c
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Expand Up @@ -24,6 +24,10 @@
#include "filemap.h"
#include "pg_rewind.h"

#ifdef PERCONA_EXT
#include "access/pg_tde_xlog_encrypt_fe.h"
#endif

/*
* RmgrNames is an array of the built-in resource manager names, to make error
* messages a bit nicer.
Expand Down Expand Up @@ -364,7 +368,11 @@ SimpleXLogPageRead(XLogReaderState *xlogreader, XLogRecPtr targetPagePtr,
}


#ifdef PERCONA_EXT
r = xlog_smgr->seg_read(xlogreadfd, readBuf, XLOG_BLCKSZ, 0);
#else
r = read(xlogreadfd, readBuf, XLOG_BLCKSZ);
#endif
if (r != XLOG_BLCKSZ)
{
if (r < 0)
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11 changes: 11 additions & 0 deletions src/bin/pg_rewind/pg_rewind.c
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Expand Up @@ -32,6 +32,10 @@
#include "rewind_source.h"
#include "storage/bufpage.h"

#ifdef PERCONA_EXT
#include "access/pg_tde_xlog_encrypt_fe.h"
#endif

static void usage(const char *progname);

static void perform_rewind(filemap_t *filemap, rewind_source *source,
Expand Down Expand Up @@ -364,6 +368,13 @@ main(int argc, char **argv)
target_tli = Max(ControlFile_target.minRecoveryPointTLI,
ControlFile_target.checkPointCopy.ThisTimeLineID);

#ifdef PERCONA_EXT
/* TDOD: tde_path setup should be moved to the pg_tde side */
char tde_path[MAXPGPATH];
snprintf(tde_path, sizeof(tde_path), "%s/%s", datadir_target, PG_TDE_DATA_DIR);
TDE_XLOG_INIT(tde_path);
#endif

/*
* Find the common ancestor timeline between the clusters.
*
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