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Publish git hash in db log and via global status
Summary: Include the git hash for the MyRocks repository and RocksDB submodule in the compilation and log this information to the mysqld.err log as well as make it available via SHOW GLOBAL STATUS. Test Plan: MTR Reviewers: yoshinorim, MarkCallaghan, jtolmer, hermanlee4 Reviewed By: hermanlee4 Subscribers: webscalesql-eng Differential Revision: https://reviews.facebook.net/D56355
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,119 @@ | ||
| #!/usr/bin/perl -w | ||
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| # | ||
| # Copyright (c) 2016 Facebook, Inc. | ||
| # All rights reserved | ||
| # | ||
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| # | ||
| # Git hash/date header file generator | ||
| # | ||
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| use strict; | ||
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| use Cwd; | ||
| use File::Copy qw(copy); | ||
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| # Simple command line processing that expects just two items | ||
| # 1) a subdirectory | ||
| # 2) a file name | ||
| sub process_cmd_line { | ||
| my $root = ""; | ||
| my $infile = ""; | ||
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| # Loop through the command line arguments | ||
| foreach (@_) { | ||
| if (!length($root)) { | ||
| # If we don't already have the root directory, get it | ||
| $root = $_; | ||
| } | ||
| elsif (!length($infile)) { | ||
| # If we don't already have the file name, get it | ||
| $infile = $_; | ||
| } | ||
| else { | ||
| die "Too many parameters - $_"; | ||
| } | ||
| } | ||
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| # Check to make sure we got what we expected | ||
| die "Too few parameters, expect githash.pl <git_root> <file>" | ||
| unless length($infile); | ||
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| # Return the parameters to the caller | ||
| return ($root, $infile); | ||
| } | ||
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| # Function to retrieve the git hash and date from a repository | ||
| sub git_hash_and_date { | ||
| my $subdir = shift; | ||
| my $orgdir = Cwd::getcwd; | ||
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| # Switch directories to the specified one | ||
| chdir($subdir) or die "Can't change directory to $subdir"; | ||
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| # Get the hash and date from the most recent revision in the repository | ||
| my $git_cmd = "git log -1 --format=\"%H;%cd\""; | ||
| open (my $log, "$git_cmd |") or die "Can't run $git_cmd"; | ||
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| my $githash = ""; | ||
| my $gitdate = ""; | ||
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| # Loop through all the lines - we should only have one line | ||
| while (<$log>) { | ||
| # Search for a line that has a hash, a semicolon and the date | ||
| if (/^([0-9a-f]{7,40});(.*)\n/) { | ||
| die "Unexpected multiple matching log lines" unless !length($githash); | ||
| $githash = $1; | ||
| $gitdate = $2; | ||
| } | ||
| } | ||
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| # Make sure we got something | ||
| die "No matching log lines" unless length($githash); | ||
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| # Close the input and switch back to the original subdirectory | ||
| close($log); | ||
| chdir($orgdir); | ||
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| # Return the found hash and date | ||
| return ($githash, $gitdate); | ||
| } | ||
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| # main function | ||
| sub main { | ||
| # expect two parameters - | ||
| # 1) the root of the git repository | ||
| # 2) the file to update with the git hash and date | ||
| (my $root, my $infile) = process_cmd_line(@_); | ||
| my $rocksdb = "$root/rocksdb"; | ||
| my $outfile = "$infile.tmp"; | ||
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| # retrieve the git hash and date for the main repository | ||
| my ($mysql_git_hash, $mysql_git_date) = git_hash_and_date $root; | ||
| # retrieve the git hash and date for the rocksdb submodule | ||
| my ($rocksdb_git_hash, $rocksdb_git_date) = git_hash_and_date $rocksdb; | ||
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| # Open the user's file for reading and a temporary file for writing | ||
| open(my $in, "<", $infile) or die "Could not open $infile"; | ||
| open(my $out, ">", $outfile) or die "Could not create $outfile"; | ||
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| # For each line, see if we can replace anything | ||
| while (<$in>) { | ||
| s/\@MYSQL_GIT_HASH\@/$mysql_git_hash/g; | ||
| s/\@MYSQL_GIT_DATE\@/$mysql_git_date/g; | ||
| s/\@ROCKSDB_GIT_HASH\@/$rocksdb_git_hash/g; | ||
| s/\@ROCKSDB_GIT_DATE\@/$rocksdb_git_date/g; | ||
| print $out $_; | ||
| } | ||
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| # Close both files | ||
| close $in; | ||
| close $out; | ||
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| # Copy the temporary file to the original and then delete it | ||
| copy $outfile, $infile or die "Unable to copy temp file on top of original"; | ||
| unlink $outfile; | ||
| } | ||
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| main(@ARGV); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /* | ||
| Copyright (c) 2016, Facebook, Inc. | ||
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| This program is free software; you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation; version 2 of the License. | ||
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| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
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| You should have received a copy of the GNU General Public License | ||
| along with this program; if not, write to the Free Software | ||
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| */ | ||
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| /* | ||
| Do not hand edit this file. It is generated as part of the build | ||
| process and contains git hashes and dates for MySQL and RocksDB | ||
| */ | ||
| #pragma once | ||
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| #define MYSQL_GIT_HASH "@MYSQL_GIT_HASH@" | ||
| #define MYSQL_GIT_DATE "@MYSQL_GIT_DATE@" | ||
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| #define ROCKSDB_GIT_HASH "@ROCKSDB_GIT_HASH@" | ||
| #define ROCKSDB_GIT_DATE "@ROCKSDB_GIT_DATE@" |
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