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v0.16: RequestTTY=yes for SSH sessions

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* Added RequestTTY=yes to ssh sesssions.  Hoping this will prevent random lockups.
This commit is contained in:
David Steele 2014-04-01 10:49:37 -04:00
parent dafaeb0b82
commit be1163b948
5 changed files with 30 additions and 18 deletions
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27
README.md
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@ -1,27 +1,30 @@
pg_backrest
===========
# pg_backrest
Simple Postgres Backup and Restore
planned for next release
========================
## planned for next release
* Default restore.conf is written to each backup.
* Able to set timeout on ssh connection in config file.
release notes
=============
* Fix bug where .backup files written into old directories can cause the archive process to error.
v0.15: Added archive-get
* Add configurable sleep to archiver process to reduce ssh connections.
## release notes
### v0.16: RequestTTY=yes for SSH sessions
* Added RequestTTY=yes to ssh sesssions. Hoping this will prevent random lockups.
### v0.15: Added archive-get
* Added archive-get functionality to aid in restores.
* Added option to force a checkpoint when starting the backup (start_fast=y).
-------------
v0.11: Minor fixes
### v0.11: Minor fixes
Tweaking a few settings after running backups for about a month.
@ -29,9 +32,7 @@ Tweaking a few settings after running backups for about a month.
* Changed lock file conflicts on backup and expire commands to ERROR. They were set to DEBUG due to a copy-and-paste from the archive locks.
-------------
v0.10: Backup and archiving are functional
### v0.10: Backup and archiving are functional
This version has been put into production at Resonate, so it does work, but there are a number of major caveats.

1
pg_backrest.pl
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@ -401,6 +401,7 @@ if ($strOperation eq OP_ARCHIVE_PUSH || $strOperation eq OP_ARCHIVE_PULL)
# Call the archive_pull function Continue to loop as long as there are files to process.
while (archive_pull($strArchivePath . "/archive/${strStanza}", $strStopFile, $strCommand, $iArchiveMaxMB))
{
&log(DEBUG, "archive logs were transferred, calling archive_pull() again");
}
};

4
pg_backrest_backup.pm
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@ -362,6 +362,10 @@ sub archive_pull
&log(DEBUG, "removing local archive path ${strPath}");
rmdir($strArchivePath . "/" . $strPath) or confess &log(ERROR, "unable to remove archive path ${strPath}, is it empty?");
}
# If the dir is not empty check if the files are in the manifest
# If they are error - there has been some issue
# If not, they are new - continue processing without error - they'll be picked up on the next run
}
# Return number of files indicating that processing should continue

5
pg_backrest_db.pm
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@ -35,10 +35,13 @@ sub BUILD
# Connect SSH object if db host is defined
if (defined($self->{strDbHost}) && !defined($self->{oDbSSH}))
{
my $strOptionSSHRequestTTY = "RequestTTY=yes";
&log(TRACE, "connecting to database ssh host $self->{strDbHost}");
# !!! This could be improved by redirecting stderr to a file to get a better error message
$self->{oDbSSH} = Net::OpenSSH->new($self->{strDbHost}, user => $self->{strDbUser});
$self->{oDbSSH} = Net::OpenSSH->new($self->{strDbHost}, user => $self->{strDbUser},
master_opts => [-o => $strOptionSSHRequestTTY]);
$self->{oDbSSH}->error and confess &log(ERROR, "unable to connect to $self->{strDbHost}: " . $self->{oDbSSH}->error);
}
}

11
pg_backrest_file.pm
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@ -67,11 +67,12 @@ sub BUILD
# Create the ssh options string
if (defined($self->{strBackupHost}) || defined($self->{strDbHost}))
{
my $strOptionSSH = "Compression=no";
my $strOptionSSHRequestTTY = "RequestTTY=yes";
my $strOptionSSHCompression = "Compression=no";
if ($self->{bNoCompression})
{
$strOptionSSH = "Compression=yes";
$strOptionSSHCompression = "Compression=yes";
}
# Connect SSH object if backup host is defined
@ -80,7 +81,8 @@ sub BUILD
&log(TRACE, "connecting to backup ssh host " . $self->{strBackupHost});
# !!! This could be improved by redirecting stderr to a file to get a better error message
$self->{oBackupSSH} = Net::OpenSSH->new($self->{strBackupHost}, timeout => 300, user => $self->{strBackupUser}, master_opts => [-o => $strOptionSSH]);
$self->{oBackupSSH} = Net::OpenSSH->new($self->{strBackupHost}, timeout => 300, user => $self->{strBackupUser},
master_opts => [-o => $strOptionSSHCompression, -o => $strOptionSSHRequestTTY]);
$self->{oBackupSSH}->error and confess &log(ERROR, "unable to connect to $self->{strBackupHost}: " . $self->{oBackupSSH}->error);
}
@ -90,7 +92,8 @@ sub BUILD
&log(TRACE, "connecting to database ssh host $self->{strDbHost}");
# !!! This could be improved by redirecting stderr to a file to get a better error message
$self->{oDbSSH} = Net::OpenSSH->new($self->{strDbHost}, timeout => 300, user => $self->{strDbUser}, master_opts => [-o => $strOptionSSH]);
$self->{oDbSSH} = Net::OpenSSH->new($self->{strDbHost}, timeout => 300, user => $self->{strDbUser},
master_opts => [-o => $strOptionSSHCompression, -o => $strOptionSSHRequestTTY]);
$self->{oDbSSH}->error and confess &log(ERROR, "unable to connect to $self->{strDbHost}: " . $self->{oDbSSH}->error);
}
}