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Code Issues Releases Activity

Add checkDbConfig() to compare pgBackRest/PostgreSQL configs.

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Checking the PostgreSQL-reported path and version against the pgBackRest configuration helps ensure that pgBackRest is operating against the correct cluster.

In Perl this functionality was in the Db object, but check seems like a better place for it in C.

Contributed by Cynthia Shang.
This commit is contained in:
Cynthia Shang
2019-08-21 15:41:52 -04:00
committed by David Steele
parent 8b93fdf349
commit 53f27da3a6
5 changed files with 98 additions and 5 deletions
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41
test/src/module/command/checkTest.c
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@ -17,15 +17,16 @@ testRun(void)
{
FUNCTION_HARNESS_VOID();
String *pg1Path = strNewFmt("%s/pg1", testPath());
String *pg1PathOpt = strNewFmt("--pg1-path=%s", strPtr(pg1Path));
// *****************************************************************************************************************************
if (testBegin("cmdCheck()"))
{
String *pg1Path = strNewFmt("--pg1-path=%s/pg1", testPath());
StringList *argList = strLstNew();
strLstAddZ(argList, "pgbackrest");
strLstAddZ(argList, "--stanza=test1");
strLstAdd(argList, pg1Path);
strLstAdd(argList, pg1PathOpt);
strLstAdd(argList, strNewFmt("--repo1-path=%s/repo", testPath()));
strLstAddZ(argList, "--archive-timeout=.5");
strLstAddZ(argList, "check");
@ -108,7 +109,7 @@ testRun(void)
argList = strLstNew();
strLstAddZ(argList, "pgbackrest");
strLstAddZ(argList, "--stanza=test1");
strLstAdd(argList, pg1Path);
strLstAdd(argList, pg1PathOpt);
strLstAdd(argList, strNewFmt("--repo1-path=%s/repo", testPath()));
strLstAddZ(argList, "--archive-timeout=.5");
strLstAddZ(argList, "check");
@ -126,5 +127,37 @@ testRun(void)
harnessLogResult("P00 INFO: switch wal not performed because no primary was found");
}
// *****************************************************************************************************************************
if (testBegin("checkDbConfig()"))
{
StringList *argList = strLstNew();
strLstAddZ(argList, "pgbackrest");
strLstAddZ(argList, "--stanza=test1");
strLstAdd(argList, pg1PathOpt);
strLstAdd(argList, strNewFmt("--repo1-path=%s/repo", testPath()));
strLstAddZ(argList, "check");
harnessCfgLoad(strLstSize(argList), strLstPtr(argList));
TEST_RESULT_VOID(checkDbConfig(PG_VERSION_92, 1, PG_VERSION_92, pg1Path), "valid db config");
// -------------------------------------------------------------------------------------------------------------------------
TEST_ERROR_FMT(
checkDbConfig(PG_VERSION_92, 1, PG_VERSION_94, pg1Path),
DbMismatchError, "version '%s' and path '%s' queried from cluster do not match version '%s' and '%s'"
" read from '%s/" PG_PATH_GLOBAL "/" PG_FILE_PGCONTROL "'\n"
"HINT: the pg1-path and pg1-port settings likely reference different clusters",
strPtr(pgVersionToStr(PG_VERSION_94)), strPtr(pg1Path), strPtr(pgVersionToStr(PG_VERSION_92)), strPtr(pg1Path),
strPtr(pg1Path));
// -------------------------------------------------------------------------------------------------------------------------
TEST_ERROR_FMT(
checkDbConfig(PG_VERSION_92, 1, PG_VERSION_92, strNew("bogus/path")),
DbMismatchError, "version '%s' and path '%s' queried from cluster do not match version '%s' and '%s'"
" read from '%s/" PG_PATH_GLOBAL "/" PG_FILE_PGCONTROL "'\n"
"HINT: the pg1-path and pg1-port settings likely reference different clusters",
strPtr(pgVersionToStr(PG_VERSION_92)), "bogus/path", strPtr(pgVersionToStr(PG_VERSION_92)), strPtr(pg1Path),
strPtr(pg1Path));
}
FUNCTION_HARNESS_RESULT_VOID();
}