Continued removal of old dbLayouts

This removes all references to dbLayoutName and cases where the dbLayouts hash is used.

With this, there is only the standard dbLayout, which is now defined in `WeBWorK::DB::Layout`.

bin/addcourse

@@ -90,7 +90,6 @@ sub usage_error {
 	warn "@_\n";
 	warn "usage: $0 [options] COURSEID\n";
 	warn "Options:\n";
-	warn "  [--db-layout=LAYOUT]\n";
 	warn "  [--users=FILE [--professors=USERID[,USERID]...] ]\n";
 	exit;
 }
@@ -99,7 +98,6 @@ my ($dbLayout, $users, $templates_from) = ('', '', '');
 my @professors;
 
 GetOptions(
-	"db-layout=s"      => \$dbLayout,
 	"users=s"          => \$users,
 	"professors=s"     => \@professors,
 	"templates-from=s" => \$templates_from,
@@ -114,23 +112,15 @@ $ce = WeBWorK::CourseEnvironment->new({ courseName => $courseID });
 die "Aborting addcourse: Course ID cannot exceed $ce->{maxCourseIdLength} characters."
 	if length($courseID) > $ce->{maxCourseIdLength};
 
-if ($dbLayout) {
-	die "Database layout $dbLayout does not exist in the course environment.",
-		" (It must be defined in defaults.config.)\n"
-		unless exists $ce->{dbLayouts}{$dbLayout};
-} else {
-	$dbLayout = $ce->{dbLayoutName};
-}
-
 usage_error("Can't specify --professors without also specifying --users.")
 	if @professors && !$users;
 
 my @users;
 if ($users) {
 	# This is a hack to create records without bringing up a DB object
-	my $userClass       = $ce->{dbLayouts}{$dbLayout}{user}{record};
-	my $passwordClass   = $ce->{dbLayouts}{$dbLayout}{password}{record};
-	my $permissionClass = $ce->{dbLayouts}{$dbLayout}{permission}{record};
+	my $userClass       = $ce->{dbLayout}{user}{record};
+	my $passwordClass   = $ce->{dbLayout}{password}{record};
+	my $permissionClass = $ce->{dbLayout}{permission}{record};
 
 	runtime_use($userClass);
 	runtime_use($passwordClass);
@@ -190,7 +180,7 @@ eval {
 	addCourse(
 		courseID      => $courseID,
 		ce            => $ce,
-		courseOptions => { dbLayoutName => $dbLayout },
+		courseOptions => {},
 		users         => \@users,
 		%optional_arguments,
 	);

bin/old_scripts/wwaddindexing

@@ -16,16 +16,15 @@
 
 =head1 NAME
 
-wwaddindexing - add indices to an existing sql_single course.
+wwaddindexing - add indices to an existing course.
 
 =head1 SYNOPSIS
 
  wwaddindexing COURSEID
 
 =head1 DESCRIPTION
 
-Adds indices to the course named COURSEID. The course must use the sql_single
-database layout.
+Adds indices to the course named COURSEID.
 
 =cut
 
@@ -74,10 +73,6 @@ my $ce = WeBWorK::CourseEnvironment->new({
 	courseName => $courseID,
 });
 
-# make sure the course actually uses the 'sql_single' layout
-usage_error("$courseID: does not use 'sql_single' database layout.")
-	unless $ce->{dbLayoutName} eq "sql_single";
-
 # get database layout source data
 my %sources = dbLayoutSQLSources($ce->{dbLayout});
 

bin/upgrade-database-to-utf8mb4.pl

@@ -212,7 +212,7 @@ BEGIN
 	},
 );
 
-my $db          = new WeBWorK::DB($ce->{dbLayouts}{ $ce->{dbLayoutName} });
+my $db          = new WeBWorK::DB($ce->{dbLayout});
 my @table_types = sort(grep { !$db->{$_}{params}{non_native} } keys %$db);
 
 sub checkAndUpdateTableColumnTypes {

conf/README.md

@@ -28,7 +28,8 @@ Configuration extension files.
 Server configuration files.
 
 - `webwork2.mojolicious.dist.yml` contains the webwork2 Mojolicious app configuration settings. Copy this file to
-  `webwork2.mojolicious.yml` if you need to change those settings. You usually will need to do this.  This file contains server settings, database settings and paths to external programs.
+  `webwork2.mojolicious.yml` if you need to change those settings. You usually will need to do this.  This file
+  contains server settings, database settings and paths to external programs.
 - `webwork2.dist.service` is a systemd configuration file for linux systems that serves the webwork2 app via the
   Mojolicious hypnotoad server. If you need to change it, then copy it to `webwork2.service`.
 - `webwork2-job-queue.dist.service` is a systemd configuration file for linux systems that runs the webwork2 job queue

conf/defaults.config

@@ -1017,12 +1017,10 @@ $pg{displayModeOptions}{images} = {
 	# as 'baseline' or 'middle'.
 	dvipng_align => 'baseline',
 
-	# If dbsource is set to a nonempty value, then this database connection information will be used to store dvipng
-	# depths.  It is assumed that the 'depths' table exists in the database.
-	# These are set in the CourseEnvironment.
-	dvipng_depth_db => {}
-	},
-};
+	# The dvipng_depth_db will be used to store dvipng depths.  It is assumed that the 'depths'
+	# table exists in the database. If you wish to override using the standard database connections
+	# see localOverrides.conf
+},
 
 ##### Directories used by PG
 

conf/localOverrides.conf.dist

@@ -404,6 +404,31 @@ $mail{feedbackRecipients}    = [
 
 #push (@{${pg}{modules}}, [qw(LaTeXImage)]);
 
+
+##############################
+# Additional Database options
+###############################
+
+# If dbsource is set to a nonempty value, then this database connection information will be used to store dvipng
+# depths.  It is assumed that the 'depths' table exists in the database.
+
+# $pg{displayModeOptions}{images}{dvipng_depth_db} => {
+# 	dbsource => 'dsn_database_string',
+# 	user     => 'dsn_database_username',
+# 	passwd   => 'dsn_database_password',
+# },
+
+# Problem Library SQL database connection information
+
+# $problemLibrary_db = {
+# 	dbsource => 'database_dsn',
+# 	user     => 'database_username',
+# 	passwd   => 'database_password',
+# 	storage_engine => 'myisam',
+# };
+
+
+
 ################################################################################
 # Using R with WeBWorK
 ################################################################################

conf/site.conf.dist

@@ -93,8 +93,6 @@ $admin_course_id = 'admin';
 # status.
 #$new_courses_hidden_status = 'hidden';
 
-# External Programs and database settings are now defined in webwork2.mojolicious.yml
-
 #################################################################################
 # These variables describe the locations of various components of WeBWorK on your
 # server.  You may use the defaults unless you have things in different places.

conf/webwork2.mojolicious.dist.yml

@@ -252,7 +252,7 @@ externalPrograms:
   mkdir: /bin/mkdir
   tar: /bin/tar
   gzip: /bin/gzip
-  git: /bin/git
+  git: /usr/bin/git
   curl: /usr/bin/curl
   mysql: /usr/bin/mysql
   mysqldump: /usr/bin/mysqldump
@@ -266,8 +266,13 @@ externalPrograms:
   # use polyglossia and fontspec packages (which require xelatex or lualatex).
   # pdflatex: /usr/bin/xelatex --no-shell-escape
 
-  dvipng: /usr/bin/dvipng
+
+  # In order to use imagemagick convert you need to change the rights for PDF files from
+  # "none" to "read" in the policy file /etc/ImageMagick-6/policy.xml.  This has possible
+  # security implications for the server.
   convert: /usr/bin/convert
+
+  dvipng: /usr/bin/dvipng
   dvisvgm: /usr/bin/dvisvgm
   pdf2svg: /usr/bin/pdf2svg
 
@@ -296,15 +301,12 @@ database:
   # Standard permissions command used to initialize the webwork database
   # GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER, DROP, INDEX, LOCK TABLES ON webwork.* TO webworkWrite@localhost IDENTIFIED BY 'passwordRW';
   # where webworkWrite and passwordRW must match the corresponding variables in the next section.
-  username: ''
-  password: ''
+  username: webworkWrite
+  password: passwordRW
 
   # For a DB on localhost - default to using Unix socket. Change to 0 to use a TCP connection to 127.0.0.1.
   use_socket_if_localhost: 1
 
-  # Need to add the code in lines 209-217 to a perl file
-  # Add line 234 to same file
-
   # The default storange engine to use is set here:
   storage_engine: myisam
 

courses.dist/modelCourse/course.conf

@@ -2,17 +2,6 @@
 
 # This file is used to override the global WeBWorK course environment for this course.
 
-# Database Layout (global value typically defined in global.conf)
-# Several database are defined in the file conf/database.conf and stored in the
-# hash %dbLayouts.
-# The database layout is always set here, since one should be able to change the
-# default value in global.conf without disrupting existing courses.
-# global.conf values:
-# 	$dbLayoutName = 'sql_single';
-# 	*dbLayout = $dbLayouts{$dbLayoutName};
-$dbLayoutName = 'sql_single';
-*dbLayout = $dbLayouts{$dbLayoutName};
-
 # Users for whom to label problems with the PG file name
 # For users in this list, PG will display the source file name when rendering a problem.
 #$pg{specialPGEnvironmentVars}{PRINT_FILE_NAMES_FOR} = ['user_id1'];

lib/Mojolicious/WeBWorK.pm

@@ -172,9 +172,7 @@ sub startup ($app) {
 				writeTimingLogEntry(
 					$c->ce,
 					'[' . $c->url_for . ']',
-					sprintf('runTime = %.3f sec', $c->timing->elapsed('content_generator_rendering')) . ' '
-						. $c->ce->{dbLayoutName},
-					''
+					sprintf('runTime = %.3f sec', $c->timing->elapsed('content_generator_rendering')), ''
 				);
 			}
 		}

lib/WeBWorK/Authen.pm

@@ -93,26 +93,22 @@ sub class {
 	if (exists $ce->{authen}{$type}) {
 		if (ref $ce->{authen}{$type} eq "ARRAY") {
 			my $authen_type = shift @{ $ce->{authen}{$type} };
+
+			#debug("ref of authen_type = |" . ref($authen_type) . "|");
 			if (ref($authen_type) eq "HASH") {
-				if (exists $authen_type->{ $ce->{dbLayoutName} }) {
-					return $authen_type->{ $ce->{dbLayoutName} };
-				} elsif (exists $authen_type->{"*"}) {
+				if (exists $authen_type->{"*"}) {
 					return $authen_type->{"*"};
 				} else {
-					die "authentication type '$type' in the course environment has no entry for db layout '",
-						$ce->{dbLayoutName}, "' and no default entry (*)";
+					die "authentication type '$type' in the course environment has no default entry (*)";
 				}
 			} else {
 				return $authen_type;
 			}
 		} elsif (ref $ce->{authen}{$type} eq "HASH") {
-			if (exists $ce->{authen}{$type}{ $ce->{dbLayoutName} }) {
-				return $ce->{authen}{$type}{ $ce->{dbLayoutName} };
-			} elsif (exists $ce->{authen}{$type}{"*"}) {
+			if (exists $ce->{authen}{$type}{"*"}) {
 				return $ce->{authen}{$type}{"*"};
 			} else {
-				die "authentication type '$type' in the course environment has no entry for db layout '",
-					$ce->{dbLayoutName}, "' and no default entry (*)";
+				die "authentication type '$type' in the course environment has no default entry (*)";
 			}
 		} else {
 			return $ce->{authen}{$type};