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#!/home/jsoc/bin/linux_x86_64/activeperl -w |
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|
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# udsumsforarch.pl jsoc_sums hmidb 5434 production many /home/arta/Projects/SUMS/UpdateSUMSArch/testsm.txt |
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|
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use DBI; |
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use DBD::Pg; |
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# ART - This module may not be installed. DO NOT USE CPAN to install modules. Use the ActiveState ppm. Unfortunately, |
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# ActiveState does not provide this module. |
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use Switch; |
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use POSIX qw(strftime); |
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use File::Copy "mv"; |
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|
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use constant kDEBUG => 0; |
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|
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# SUs that are archive pending must be set to DADP |
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use constant kStatDADP => "2"; |
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|
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use constant kTQueryOnePerConn => "conn"; |
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use constant kTQueryOnePerTrans => "xact"; |
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use constant kTQueryManyPerTrans => "many"; |
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|
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use constant kUdListTableTapeFileInfo => "tmp_ulist_tapefiles"; |
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use constant kInTypeList => 0; |
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use constant kInTypeMd5 => 1; |
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use constant kDelim => '|'; |
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|
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use constant kGTarBlock => "256"; |
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|
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use constant kDbTableSumMain => "sum_main"; |
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use constant kDbTableSumPartnAlloc => "sum_partn_alloc"; |
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use constant kDbTableSumFile => "sum_file"; |
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|
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use constant kDbTableSumMainDEBUG => "arta_main"; |
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use constant kDbTableSumPartnAllocDEBUG => "arta_partn_alloc"; |
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use constant kDbTableSumFileDEBUG => "arta_file"; |
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|
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my($err); |
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|
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my($dbname); # name of the db instance to connect to |
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my($dbhost); # name of the db host on which the db instance resides |
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my($dbport); # port on $dbhost through which connections are made |
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my($dbuser); # database user name (to connect with) |
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my($typequery); # one SU per connection, one SU per transaction, or one big query that does all SUs at the same time. |
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my($dfilelist); # list of file paths - each file contains data to update sum_main with. |
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|
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my($dsn); # database connection arguments |
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my($dbh); # database handle |
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my($stmnt); |
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my($row); |
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my($rrows); |
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my($line); |
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my($rv); |
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|
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if ($#ARGV < 5) |
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{ |
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print "Improper argument list.\n"; |
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exit(1); |
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} |
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|
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$dbname = $ARGV[0]; |
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$dbhost = $ARGV[1]; |
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$dbport = $ARGV[2]; |
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$dbuser = $ARGV[3]; |
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$typequery = $ARGV[4]; |
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$dfilelist = $ARGV[5]; |
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|
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$err = 0; |
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|
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if ($typequery eq kTQueryOnePerConn) |
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{ |
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print STDERR "One query per database connection unimplemented.\n"; |
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$err = 1; |
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} |
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elsif ($typequery eq kTQueryOnePerTrans) |
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{ |
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print STDERR "One query per database transaction unimplemented.\n"; |
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$err = 1; |
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} |
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elsif ($typequery eq kTQueryManyPerTrans) |
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{ |
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# batch sunums together |
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my($fpath); |
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my($ftype); |
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my($timenow); |
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my($tapeid); |
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my($ttabrow); |
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my(@md5csums); |
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my($values); |
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my($skip); |
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my($maintable); |
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my($partntable); |
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my($filetable); |
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|
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if (dbconnect($dbname, $dbhost, $dbport, \$dbh)) |
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{ |
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# Open input file for reading - has 2 columns, group and filepath (path to a file provided by Keh-Cheng) |
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if (open(FILELIST, "<$dfilelist")) |
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{ |
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# create temporary table to hold LIST files (series, sunum, sudir, fileid, tapeid) |
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$stmnt = "CREATE TEMPORARY TABLE " . kUdListTableTapeFileInfo . "(sunum bigint, fileid integer, tapeid character varying(20))"; |
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ExecStatement(\$dbh, $stmnt, 1, "Unable to create temporary table " . "'kUdListTableTapeFileInfo'" . ".\n"); |
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|
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$stmnt = "CREATE INDEX " . kUdListTableTapeFileInfo . "_idx on " . kUdListTableTapeFileInfo . "(sunum)"; |
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ExecStatement(\$dbh, $stmnt, 1, "Unable to create index on temporary table " . "'kUdListTableTapeFileInfo'" . ".\n"); |
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|
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CommitTrans(\$dbh); |
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|
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if (kDEBUG) |
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{ |
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$maintable = kDbTableSumMainDEBUG; |
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$partntable = kDbTableSumPartnAllocDEBUG; |
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$filetable = kDbTableSumFileDEBUG; |
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} |
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else |
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{ |
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$maintable = kDbTableSumMain; |
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$partntable = kDbTableSumPartnAlloc; |
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$filetable = kDbTableSumFile; |
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} |
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|
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# loop through filelist |
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while (defined($line = <FILELIST>)) |
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{ |
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chomp($line); |
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|
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if ($line =~ /^\#/) |
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{ |
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next; |
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} |
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|
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if ($line =~ /\s*(\S+)/) |
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{ |
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$fpath = $1; |
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|
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if ($fpath =~ /LIST\.(\w+)/) |
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{ |
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$tapeid = $1; |
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$ftype = kInTypeList; |
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} |
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elsif ($fpath =~ /MD5SUM\.(\w+)/) |
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{ |
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$tapeid = $1; |
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$ftype = kInTypeMd5; |
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} |
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else |
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{ |
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print STDERR "unsupported input file '$fpath'.\n"; |
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next; |
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} |
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} |
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else |
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{ |
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print STDERR "skipping invalid input file $line.\n"; |
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next; |
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} |
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|
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# There are two types of files that Keh-Cheng is producing: |
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# 1. LIST files - cols: series, sunum, sudir, fileid, tapeid |
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# 2. MD5SUM files - cols: fileid, md5sum |
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$skip = 0; |
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if (defined($fpath) && open(DATAFILE, "<$fpath")) |
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{ |
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if ($ftype == kInTypeList) |
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{ |
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$stmnt = "COPY " . kUdListTableTapeFileInfo . " (sunum, fileid, tapeid) FROM stdin WITH DELIMITER '" . kDelim . "'"; |
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ExecStatement(\$dbh, $stmnt, 1, "Troubles copying data to temporary table '" . kUdListTableTapeFileInfo . "'.\n"); |
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} |
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|
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while (defined($line = <DATAFILE>)) |
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{ |
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chomp($line); |
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|
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# The data file might have extra fields not needed for the update - strip those out |
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if ($ftype == kInTypeList) |
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{ |
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if ($line =~ /\S+\s+(\S+)\s+\S+\s+(\S+)\s+(\S+)/) |
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{ |
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$ttabrow = "$1|$2|$3"; |
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} |
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|
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print "Putting row ($ttabrow).\n"; |
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$rv = $dbh->pg_putcopydata("$ttabrow\n"); |
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if (!$rv) |
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{ |
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print STDERR "Failure sending line '$line' to db.\n"; |
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$skip = 1; |
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last; |
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} |
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} |
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else |
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{ |
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# Don't save to a temporary table - this file will be relatively small |
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if ($line =~ /(\S+)\s+(\S+)/) |
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{ |
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# (tapeid, filenum, gtarblock, md5cksum) |
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$values = "('$tapeid', $1, " . kGTarBlock . ", '$2')"; |
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push(@md5csums, $values); |
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} |
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} |
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} |
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|
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if ($ftype == kInTypeList) |
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{ |
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$rv = $dbh->pg_putcopyend(); |
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if (!$rv) |
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{ |
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print STDERR "Failure ending table copy.\n"; |
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$skip = 1; |
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} |
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else |
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{ |
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if (kDEBUG && 0) |
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{ |
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# test to see if this worked. |
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$stmnt = "SELECT * from " . kUdListTableTapeFileInfo; |
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$rrows = $dbh->selectall_arrayref($stmnt, undef); |
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$err = !(NoErr($rrows, \$dbh, $stmnt)); |
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|
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foreach $row (@$rrows) |
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{ |
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print "tmp table row: $row->[0], $row->[1], $row->[2]\n"; |
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} |
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} |
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} |
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} |
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|
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close(DATAFILE); |
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} |
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else |
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{ |
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print "Unable to open '$fpath' for reading.\n"; |
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next; |
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} |
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|
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if (!$skip) |
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{ |
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CommitTrans(\$dbh); # successfully populated temporary table ($ftype == kInTypeList). |
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# when $ftype == kInTypeMd5, this will result in and 'end' being |
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# issued right after a 'begin', but this is harmless. |
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|
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if ($ftype == kInTypeList) |
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{ |
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# Create date string |
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$timenow = strftime("%a %b %e %H:%M:%S %Y", localtime()); |
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|
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# Do a join that will update sum_main with data from temp table |
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# SQL to update sum_main: |
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# archive_status -> character varying(5) |
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# arch_tape -> character varying(20) |
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# arch_tape_fn -> integer |
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# arch_tape_date -> timestamp(0) without time zone |
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$stmnt = "UPDATE $maintable m SET archive_status = 'Y', arch_tape = ul.tapeid, arch_tape_fn = ul.fileid, arch_tape_date = '$timenow' FROM " . kUdListTableTapeFileInfo . " ul WHERE (m.ds_index = ul.sunum)"; |
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ExecStatement(\$dbh, $stmnt, 1, "Troubles updating $maintable.\n"); |
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|
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# SQL to update sum_partn_alloc: |
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# status -> integer |
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# ds_index -> bigint |
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$stmnt = "UPDATE $partntable m SET status = " . kStatDADP . " FROM " . kUdListTableTapeFileInfo . " ul WHERE (m.ds_index = ul.sunum)"; |
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ExecStatement(\$dbh, $stmnt, 1, "Troubles updating $partntable.\n"); |
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|
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# Drop rows from temp table. |
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$stmnt = "DELETE from " . kUdListTableTapeFileInfo; |
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ExecStatement(\$dbh, $stmnt, 1, "Couldn't drop rows from temporary table '" . kUdListTableTapeFileInfo . "'.\n"); |
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} |
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else |
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{ |
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# Insert directly into sum_file (we could also use COPY to copy into a temp table, |
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# then use a query and constant values for tapeid and gtarblock with the INSERT INTO statement): |
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# tapeid -> character varying(20) |
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# filenum -> integer |
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# gtarblock -> integer |
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# md5cksum -> character varying(36) |
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foreach $values (@md5csums) |
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{ |
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$stmnt = "INSERT INTO $filetable (tapeid, filenum, gtarblock, md5cksum) VALUES $values"; |
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ExecStatement(\$dbh, $stmnt, 1, "Troubles updating $filetable.\n"); |
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} |
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|
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@md5csums = (); |
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} |
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|
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# Done updating dbase for $fpath - move to ${fpath}.ingested |
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CommitTrans(\$dbh); |
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|
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if (mv($fpath, "$fpath\.ingested") == 0) |
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{ |
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print STDERR "Failed to rename $fpath to $fpath\.ingested.\n"; |
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} |
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else |
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{ |
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print "Renamed $fpath to $fpath\.ingested\n"; |
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} |
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} |
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else |
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{ |
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RollbackTrans(\$dbh); # problem populating temporary table ($ftype == kInTypeList) |
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} |
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} # loop over data files |
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|
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close(FILELIST); |
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} |
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|
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$dbh->disconnect(); |
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} |
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} |
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|
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# AL FINAL |
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exit($err); |
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|
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# SUBROUTINES |
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sub dbconnect |
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{ |
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my($dbname) = $_[0]; |
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my($dbhost) = $_[1]; |
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my($dbport) = $_[2]; |
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my($dbh) = $_[3]; # returned by reference |
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|
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my($dsn); |
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|
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# connect to the database |
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$dsn = "dbi:Pg:dbname=$dbname;host=$dbhost;port=$dbport"; |
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print "Connection to database with '$dsn' as user '$dbuser' ... "; |
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|
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# Despite ALL documentation saying otherwise, it looks like the error codes/string |
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# provided by DBI are all UNDEFINED, unless there is some kind of failure. So, |
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# never try to look at $dbh->err or $dbh->errstr if the call succeeded. |
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|
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$$dbh = DBI->connect($dsn, $dbuser, '', { AutoCommit => 0 }); # will need to put pass in .pg_pass |
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|
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if (defined($dbh)) |
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{ |
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print "success!\n"; |
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} |
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else |
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{ |
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print "failure!!!!\n"; |
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$err = 1; |
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} |
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} |
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|
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sub ExecStatement |
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{ |
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my($dbh, $stmnt, $doit, $msg) = @_; |
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my($res); |
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|
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print "executing db statement ==> $stmnt\n"; |
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|
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if ($doit) |
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{ |
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$res = $$dbh->do($stmnt); |
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NoErr($res, $dbh, $stmnt) || die $msg; |
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} |
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} |
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|
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sub BeginTrans |
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{ |
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my($dbh) = $_[0]; |
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|
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print "starting transaction\n"; |
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ExecStatement($dbh, "BEGIN", 1, "Couldn't begin transaction.\n"); |
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} |
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|
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sub CommitTrans |
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{ |
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my($dbh) = $_[0]; |
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|
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print "committing transaction\n"; |
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ExecStatement($dbh, "COMMIT", 1, "Couldn't begin transaction.\n"); |
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} |
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|
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sub RollbackTrans |
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{ |
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my($dbh) = $_[0]; |
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|
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print "rolling-back transaction\n"; |
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ExecStatement($dbh, "ROLLBACK", 1, "Couldn't begin transaction.\n"); |
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} |
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|
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sub NoErr |
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{ |
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my($rv) = $_[0]; |
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my($dbh) = $_[1]; |
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my($stmnt) = $_[2]; |
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my($ok) = 1; |
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|
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if (!defined($rv) || !$rv) |
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{ |
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if (defined($$dbh) && defined($$dbh->err)) |
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{ |
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print STDERR "Error " . $$dbh->errstr . ": Statement '$stmnt' failed.\n"; |
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} |
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|
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$ok = 0; |
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} |
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|
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return $ok; |
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} |
