WL#7895 - Add systemd support to server.

 The patch adds the following changes:
1. Introduce cmake option WITH_SYSTEMD.
2. Introduce server command-line option --daemonize to run server
   in daemon mode.
3. Introduce exit code macros MYSQLD_SUCCESS_EXIT, MYSQLD_ABORT_EXIT
    and MYSQLD_FAILURE_EXIT and it's related changes.
4. Auto generate mysqld.service based on install configuration
5. Install related cmake changes.

Author: thayumanavar77

CMakeLists.txt

@@ -1,4 +1,4 @@
-# Copyright (c) 2006, 2014, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 # 
 # 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
@@ -451,6 +451,17 @@ ENDIF()
 
 INCLUDE(cmake/boost.cmake)
 
+IF (CMAKE_SYSTEM_NAME MATCHES "Linux")
+  OPTION(WITH_SYSTEMD "Enable installation of systemd support files" OFF)
+  IF (WITH_SYSTEMD)
+    INCLUDE(cmake/systemd.cmake)
+  ENDIF()
+ELSE()
+  IF (WITH_SYSTEMD)
+    MESSAGE(FATAL_ERROR "Installation of systemd support files not supported")
+  ENDIF()
+ENDIF()
+
 # Run platform tests
 INCLUDE(configure.cmake)
 

include/my_dbug.h

@@ -1,4 +1,4 @@
-/* Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
+/* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
 
    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
@@ -125,13 +125,13 @@ extern  const char* _db_get_func_(void);
 #else
 /*
   Avoid popup with abort/retry/ignore buttons. When BUG#31745 is fixed we can
-  call abort() instead of _exit(3) (now it would cause a "test signal" popup).
+  call abort() instead of _exit(2) (now it would cause a "test signal" popup).
 */
 #include <crtdbg.h>
 #define DBUG_ABORT() (_db_flush_(),\
                      (void)_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE),\
                      (void)_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR),\
-                     _exit(3))
+                     _exit(2))
 #endif
 #define DBUG_CHECK_CRASH(func, op) \
   do { char _dbuf_[255]; strxnmov(_dbuf_, sizeof(_dbuf_)-1, (func), (op)); \

mysql-test/lib/My/SafeProcess.pm

@@ -1,5 +1,5 @@
 # -*- cperl -*-
-# Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2007, 2015 Oracle and/or its affiliates. All rights reserved.
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Library General Public
@@ -140,6 +140,9 @@ sub new {
   my $shutdown = delete($opts{'shutdown'});
   my $user_data= delete($opts{'user_data'});
   my $envs     = delete($opts{'envs'});
+  my $daemon_mode = delete($opts{'daemon_mode'});
+  my $pid_file= delete($opts{'pid_file'})
+                  if defined $daemon_mode && $daemon_mode == 1;
 
 #  if (defined $host) {
 #    $safe_script=  "lib/My/SafeProcess/safe_process_cpcd.pl";
@@ -188,6 +191,8 @@ sub new {
 			  error     => $error,
                           append    => $opts{append},
 			  args      => \@safe_args,
+                          pid_file  => $pid_file
+
 			 );
 
   my $name     = delete($opts{'name'}) || "SafeProcess$pid";

mysql-test/lib/My/SafeProcess/Base.pm

@@ -1,5 +1,5 @@
 # -*- cperl -*-
-# Copyright (c) 2007 MySQL AB, 2008, 2009 Sun Microsystems, Inc.
+# Copyright (c) 2007, 2015 Oracle and/or its affiliates. All rights reserved.
 # Use is subject to license terms.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -107,7 +107,7 @@ sub create_process {
   my $input    = delete($opts{'input'});
   my $output   = delete($opts{'output'});
   my $error    = delete($opts{'error'});
-
+  my $pid_file = delete($opts{'pid_file'});
   my $open_mode= $opts{append} ? ">>" : ">";
 
   if ($^O eq "MSWin32"){
@@ -176,6 +176,14 @@ sub create_process {
     # Parent
     $pipe->reader();
     my $line= <$pipe>; # Wait for child to say it's ready
+    # if pid-file is defined, read process id from pid-file.
+    if ( defined $pid_file ) {
+      sleep 1 until -e $pid_file;
+      open FILE, $pid_file;
+      chomp(my $pid_val = <FILE>);
+      close FILE;
+      return $pid_val
+    }
     return $pid;
   }
 
@@ -206,13 +214,12 @@ sub create_process {
     }
   }
 
-  # Tell parent to continue
-  $pipe->writer();
-  print $pipe "ready\n";
-
   if ( !exec($path, @$args) ){
     croak("Failed to exec '$path': $!");
   }
+  # Tell parent to continue
+  $pipe->writer();
+  print $pipe "ready\n";
 
   croak("Should never come here");
 

mysql-test/mysql-test-run.pl

@@ -5453,6 +5453,11 @@ ($$$)
       # We can get an empty argument when  we set environment variables to ""
       # (e.g plugin not found). Just skip it.
     }
+    elsif ($arg eq "--daemonize")
+    {
+      $mysqld->{'daemonize'}= 1;
+      mtr_add_arg($args, "%s", $arg);
+    }
     else
     {
       mtr_add_arg($args, "%s", $arg);
@@ -5577,6 +5582,8 @@ ($$)
        host          => undef,
        shutdown      => sub { mysqld_stop($mysqld) },
        envs          => \@opt_mysqld_envs,
+       pid_file      => $mysqld->value('pid-file'),
+       daemon_mode   => $mysqld->{'daemonize'}
       );
     mtr_verbose("Started $mysqld->{proc}");
   }

mysql-test/r/mysqld--help-notwin.result

@@ -166,6 +166,7 @@ The following options may be given as the first argument:
  --console           Write error output on screen; don't remove the console
  window on windows.
  --core-file         Write core on errors.
+ --daemonize         Run mysqld as sysv daemon
  -h, --datadir=name  Path to the database root directory
  --date-format=name  The DATE format (ignored)
  --datetime-format=name 
@@ -1190,6 +1191,7 @@ completion-type NO_CHAIN
 concurrent-insert AUTO
 connect-timeout 10
 console FALSE
+daemonize FALSE
 date-format %Y-%m-%d
 datetime-format %Y-%m-%d %H:%i:%s
 default-authentication-plugin mysql_native_password

mysql-test/suite/innodb/t/log_file.test

@@ -59,7 +59,7 @@ let SEARCH_PATTERN=\[ERROR\] Aborting;
 # complaining about mysql.* tables. This is sufficient for testing
 # missing tablespaces.
 --echo # Start mysqld to create tablespaces according to my.cnf
---error 2
+--error 1
 --exec $MYSQLD $args --skip-grant-tables --innodb-unknown-parameter
 let SEARCH_PATTERN=unknown option '--innodb-unknown-parameter';
 --source include/search_pattern_in_file.inc

mysql-test/suite/innodb/t/log_file_name.test

@@ -106,7 +106,7 @@ let SEARCH_PATTERN= InnoDB: Tablespace \d+ was not found at .*t[12].ibd.
 # Create a short file.
 --exec echo "" > $MYSQLD_DATADIR/test/t2.ibd
 
---error 3
+--error 2 
 --exec $mysqld
 
 # TODO: Look for the file name in error message.
@@ -187,7 +187,7 @@ EOF
 
 --copy_file $MYSQLD_DATADIR/test/u6.ibd $MYSQLD_DATADIR/test/u4.ibd
 
---error 3
+--error 2 
 --exec $mysqld --innodb-force-recovery=1
 
 let SEARCH_PATTERN= \[ERROR\] InnoDB: Header page consists of zero bytes in datafile: .*u1.ibd;
@@ -228,7 +228,7 @@ let SEARCH_PATTERN= \[ERROR\] InnoDB: Cannot replay rename '.*u5.ibd' to '.*u6.i
 
 --remove_file $MYSQLD_DATADIR/test/u6.ibd
 
---error 2
+--error 1 
 --exec $mysqld --innodb-force-recovery=1 --innodb-nonexistent-option
 let SEARCH_PATTERN= \[ERROR\] unknown option '--innodb-nonexistent-option';
 --source include/search_pattern_in_file.inc

mysql-test/suite/perfschema/t/bad_option.test

@@ -16,8 +16,7 @@ let $restart_file= $MYSQLTEST_VARDIR/tmp/mysqld.1.expect;
 --exec echo "wait" > $restart_file
 --shutdown_server 
 --source include/wait_until_disconnected.inc
-
---error 7
+--error 1
 --exec $MYSQLD_CMD --loose-console --performance-schema-enabled=maybe > $error_log 2>&1
 # The server restart aborts
 # [ERROR] unknown variable 'performance-schema-enabled=maybe'
@@ -26,7 +25,7 @@ let SEARCH_PATTERN= \[ERROR\] unknown variable 'performance-schema-enabled=maybe
 --echo # Server start with invalid startup option value 'performance-schema-enabled=maybe' : pass
 
 --remove_file $error_log
---error 7
+--error 1
 --exec $MYSQLD_CMD --loose-console --performance-schema-max_=12 > $error_log 2>&1
 # The server restart aborts
 # [ERROR] unknown variable 'performance-schema-max_=12'
@@ -42,7 +41,7 @@ let SEARCH_PATTERN= \[ERROR\] unknown variable 'performance-schema-max_=12';
 #    a similar reaction.
 
 --remove_file $error_log
---error 2
+--error 1
 --exec $MYSQLD_CMD --loose-console --performance-schema-unknown_99 > $error_log 2>&1
 # The server restart aborts
 let SEARCH_PATTERN= \[ERROR\] unknown option '--performance-schema-unknown_99';

mysql-test/t/mysqld_safe.test

@@ -1,3 +1,4 @@
+--source include/have_mysqld_safe.inc
 --source include/not_embedded.inc
 --source include/not_windows.inc
 
@@ -30,49 +31,46 @@ EOF
 #Remove the temp file
 --remove_file $MYSQLTEST_VARDIR/tmp/mysqld_path_file.inc
 
-# 2) Insert a check if mysqld_safe is existing.
---file_exists $MYSQLD_SAFE
-
-# 3) Shutdown mysqld which is started by mtr.
+# 2) Shutdown mysqld which is started by mtr.
 --let $_server_id= `SELECT @@server_id`
 --let $_expect_file_name= $MYSQLTEST_VARDIR/tmp/mysqld.$_server_id.expect
 --exec echo "wait" > $_expect_file_name
 --shutdown_server 
 --source include/wait_until_disconnected.inc
 
 
-# 4) Run the mysqld_safe script with exec.
---exec sh $MYSQLD_SAFE --defaults-file=$MYSQLTEST_VARDIR/my.cnf --log-error=$MYSQLTEST_VARDIR/log/err.log --basedir=$MYSQL_BASEDIR --ledir=$mysqld_path --datadir=$MYSQLD_DATADIR --secure-file-priv=$MYSQLTEST_VARDIR --socket=$MYSQL_SOCKET --pid-file=$MYSQL_PIDFILE --port=$MYSQL_PORT --timezone=SYSTEM --log-output=file --loose-debug-sync-timeout=600 --default-storage-engine=InnoDB --default-tmp-storage-engine=InnoDB --loose-skip-log-bin --core-file --lc-messages-dir=$MYSQL_MESSAGESDIR --innodb-page-size=$other_page_size_nk < /dev/null > /dev/null 2>&1 &
+# 3) Run the mysqld_safe script with exec.
+--exec sh $MYSQLD_SAFE --defaults-file=$MYSQLTEST_VARDIR/my.cnf --log-error=$MYSQLTEST_VARDIR/log/err.log --basedir=$MYSQL_BASEDIR --ledir=$mysqld_path --datadir=$MYSQLD_DATADIR --socket=$MYSQL_SOCKET --pid-file=$MYSQL_PIDFILE --port=$MYSQL_PORT --timezone=SYSTEM --log-output=file --loose-debug-sync-timeout=600 --default-storage-engine=InnoDB --default-tmp-storage-engine=InnoDB --loose-skip-log-bin --core-file --lc-messages-dir=$MYSQL_MESSAGESDIR --innodb-page-size=$other_page_size_nk < /dev/null > /dev/null 2>&1 &
 
 # mysqld_safe takes some time to start mysqld
 --enable_reconnect
 --source include/wait_until_connected_again.inc
 --disable_reconnect
 
-# 5) Reconnect to mysqld again
+# 4) Reconnect to mysqld again
 connection default;
 
-# 6) Execute some SQL 
+# 5) Execute some SQL
 --exec $MYSQL -h localhost -S $MYSQL_SOCKET -P $MYSQL_PORT -u root -e "SHOW DATABASES" 2>&1
 
-# 7) Kill mysqld, which must be restarted now automaticly by mysqld_safe 
+# 6) Kill mysqld, which must be restarted now automaticly by mysqld_safe
 --exec sh $MYSQL_TEST_DIR/t/mysqld_safe.sh $MYSQL_PIDFILE 2>&1
 
 # mysqld_safe takes some time to restart mysqld
 --enable_reconnect
 --source include/wait_until_connected_again.inc
 --disable_reconnect
 
-# 8) Execute some SQL
+# 7) Execute some SQL
 --exec $MYSQL -h localhost -S $MYSQL_SOCKET -P $MYSQL_PORT -u root -e "SHOW DATABASES" 2>&1
 
-# 9) Shutdown mysqld with mysqladmin
+# 8) Shutdown mysqld with mysqladmin
 --exec $MYSQLADMIN -h localhost -S $MYSQL_SOCKET -P $MYSQL_PORT -u root shutdown 2>&1
 
 # Delay introduced - mysqld_safe takes some time to restart mysqld
 --source include/wait_until_disconnected.inc
 
-# 10) Restart mysqld of mtr
+# 9) Restart mysqld of mtr
 --exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
 --enable_reconnect
 --source include/wait_until_connected_again.inc