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Posted to commits@vcl.apache.org by ar...@apache.org on 2014/10/31 17:01:54 UTC
svn commit: r1635802 - /vcl/trunk/managementnode/lib/VCL/utils.pm
Author: arkurth
Date: Fri Oct 31 16:01:53 2014
New Revision: 1635802
URL: http://svn.apache.org/r1635802
Log:
VCL-764
Added subroutines to utils.pm used by update_database.sh:
get_database_table_names
setup_get_input_file_path
setup_print_error
setup_print_ok
setup_print_warning
Modified:
vcl/trunk/managementnode/lib/VCL/utils.pm
Modified: vcl/trunk/managementnode/lib/VCL/utils.pm
URL: http://svn.apache.org/viewvc/vcl/trunk/managementnode/lib/VCL/utils.pm?rev=1635802&r1=1635801&r2=1635802&view=diff
==============================================================================
--- vcl/trunk/managementnode/lib/VCL/utils.pm (original)
+++ vcl/trunk/managementnode/lib/VCL/utils.pm Fri Oct 31 16:01:53 2014
@@ -64,6 +64,7 @@ use Fcntl qw(:DEFAULT :flock);
use FindBin;
use Getopt::Long;
use Carp;
+use Term::ANSIColor;
use Text::Wrap;
use English;
use List::Util qw(min max);
@@ -79,6 +80,12 @@ use Crypt::OpenSSL::RSA;
use B qw(svref_2object);
use Socket qw(inet_ntoa);
+BEGIN {
+ $ENV{PERL_RL} = 'Perl';
+};
+
+use Term::ReadLine;
+
require Exporter;
our @ISA = qw(Exporter);
@@ -110,6 +117,9 @@ our @EXPORT = qw(
get_calling_subroutine
get_changelog_info
get_changelog_remote_ip_address_info
+ get_database_names
+ get_database_table_columns
+ get_database_table_names
get_code_ref_package_name
get_code_ref_subroutine_name
get_computer_current_state_name
@@ -127,8 +137,6 @@ our @EXPORT = qw(
get_current_package_name
get_current_reservation_lastcheck
get_current_subroutine_name
- get_database_names
- get_database_table_columns
get_file_size_info_string
get_group_name
get_image_info
@@ -212,9 +220,13 @@ our @EXPORT = qw(
setup_confirm
setup_get_array_choice
setup_get_hash_choice
+ setup_get_input_file_path
setup_get_input_string
setup_get_menu_choice
setup_print_break
+ setup_print_error
+ setup_print_ok
+ setup_print_warning
setup_print_wrap
sleep_uninterrupted
sort_by_file_name
@@ -355,7 +367,7 @@ INIT {
'setup!' => \$SETUP_MODE,
'verbose!' => \$VERBOSE,
);
-
+
my %parameters = (
'log' => \$LOGFILE,
'pidfile' => \$PIDFILE,
@@ -7520,7 +7532,8 @@ sub get_caller_trace {
sub get_calling_subroutine {
my @caller = caller(2);
- return $caller[3];
+ my $calling_subroutine = $caller[3] || '';
+ return $calling_subroutine;
}
#/////////////////////////////////////////////////////////////////////////////
@@ -7575,8 +7588,6 @@ sub get_database_names {
my $no_cache = shift;
return @{$ENV{database_names}} if $ENV{database_names} && !$no_cache;
- my $database = 'information_schema';
-
my $select_statement = "
SELECT DISTINCT
SCHEMA_NAME
@@ -7585,7 +7596,7 @@ SCHEMATA
";
# Call the database select subroutine
- my @rows = database_select($select_statement, $database);
+ my @rows = database_select($select_statement, 'information_schema');
# Check to make sure at least 1 row was returned
if (scalar @rows == 0) {
@@ -7604,6 +7615,42 @@ SCHEMATA
#/////////////////////////////////////////////////////////////////////////////
+=head2 get_database_table_names
+
+ Parameters : $database_name (optional)
+ Returns : array
+ Description : Retrieves the names of all tables in the database sorted
+ alphabetically. The VCL database configured in vcld.conf is used
+ if no $database_name argument is specified.
+
+=cut
+
+sub get_database_table_names {
+ my $database_name = shift || $DATABASE;
+
+ my $select_statement = <<EOF;
+SELECT DISTINCT
+TABLES.TABLE_NAME
+FROM
+TABLES
+WHERE
+TABLES.TABLE_SCHEMA = '$database_name'
+EOF
+
+ # Call the database select subroutine
+ my @rows = database_select($select_statement, 'information_schema');
+
+ if (!@rows) {
+ notify($ERRORS{'WARNING'}, 0, "failed to retrieve database table columns");
+ return;
+ }
+
+ my @database_columns = map { $_->{TABLE_NAME} } @rows;
+ return sort { lc($a) cmp lc($b) } @database_columns;
+}
+
+#/////////////////////////////////////////////////////////////////////////////
+
=head2 get_database_table_columns
Parameters : $no_cache (optional)
@@ -9045,7 +9092,10 @@ sub setup_get_hash_choice {
$display_name .= " (" . $hash_ref->{$key}{$1}{$2} . ")";
}
else {
- $display_name .= " (" . $hash_ref->{$key}{$display_key2} . ")";
+ my $display_key2_value = $hash_ref->{$key}{$display_key2};
+ if (defined($display_key2_value) && length($display_key2_value) > 0) {
+ $display_name .= " (" . $hash_ref->{$key}{$display_key2} . ")";
+ }
}
}
@@ -9099,10 +9149,10 @@ sub setup_get_array_choice {
}
}
- print "\n[" . join("/", @{$ENV{setup_path}}) . "]\n";
+ print "\n[" . join("/", @{$ENV{setup_path}}) . "]\n" if defined($ENV{setup_path});
print "Make a selection (1";
print "-$choice_count" if ($choice_count > 1);
- print ", 'c' to cancel): ";
+ print ", 'c' to cancel or when done): ";
my $choice = <STDIN>;
chomp $choice;
@@ -9133,7 +9183,7 @@ sub setup_get_array_choice {
sub setup_get_choice {
my ($choice_count) = @_;
- print "\n[" . join("/", @{$ENV{setup_path}}) . "]\n";
+ print "\n[" . join("/", @{$ENV{setup_path}}) . "]\n" if defined($ENV{setup_path});
while (1) {
print "Make a selection (1";
print "-$choice_count" if ($choice_count > 1);
@@ -9195,9 +9245,107 @@ sub setup_get_input_string {
#/////////////////////////////////////////////////////////////////////////////
+=head2 setup_get_input_file_path
+
+ Parameters : $message, $default_value (optional)
+ Returns : string
+ Description : Prompts the user to enter a file path.
+
+=cut
+
+sub setup_get_input_file_path {
+ my ($message, $default_value) = @_;
+
+ # Check if a Term::ReadLine object has already been created
+ my $term;
+ if (defined($ENV{term_readline})) {
+ $term = $ENV{term_readline};
+ }
+ else {
+ $term = Term::ReadLine->new('ReadLine');
+ if (!$term) {
+ notify($ERRORS{'WARNING'}, 0, "failed to create Term::ReadLine object");
+ return setup_get_input_string($message, $default_value);
+ }
+ $term->ornaments(0);
+
+ my $attribs = $term->Attribs;
+ if ($term->ReadLine =~ /Perl/) {
+ $attribs->{completion_function} = \&_term_readline_complete_file_path;
+ }
+
+ $ENV{term_readline} = $term;
+ }
+
+ $message = '' unless $message;
+
+ my $trailing_newline = 0;
+ if ($message =~ /\n$/) {
+ $trailing_newline = 1;
+ }
+ $message =~ s/[\s\n]*$//g;
+
+ if ($message) {
+ $message .= " ";
+ }
+ $message .= "('c' to cancel)";
+
+ if ($trailing_newline) {
+ $message .= "\n";
+ }
+ if ($default_value) {
+ $message .= "[$default_value]";
+ }
+ print "$message";
+
+ my $input = $term->readline(": ");
+ chomp $input;
+ if ($input =~ /^c$/i) {
+ return;
+ }
+ elsif ($default_value && !length($input)) {
+ return $default_value;
+ }
+ else {
+ return $input;
+ }
+}
+
+#//////////////////////////////////////////////////////////////////////////////
+
+=head2 _term_readline_complete_file_path
+
+ Parameters : $text
+ Returns : @files
+ Description :
+
+=cut
+
+sub _term_readline_complete_file_path {
+ my ($text) = @_;
+ my @files = glob "$text*";
+
+ my @return_files;
+ for my $file (@files) {
+ if (-d $file) {
+ $file .= '/';
+ }
+
+ push @return_files, $file;
+ }
+
+ # Do this twice to avoid "used only once" warning
+ $readline::rl_completer_terminator_character = '';
+ $readline::rl_completer_terminator_character = '';
+
+ return @return_files;
+}
+
+#/////////////////////////////////////////////////////////////////////////////
+
=head2 setup_confirm
- Parameters : $message
+ Parameters : $message, $default_value (optional)
Returns : boolean
Description : Displays the message to the user and loops until they enter Y or
N.
@@ -9205,15 +9353,41 @@ sub setup_get_input_string {
=cut
sub setup_confirm {
- my ($message) = @_;
+ my ($message, $default_value) = @_;
+ if (defined($message)) {
+ $message =~ s/\s*$//g;
+ $message .= ' ';
+ }
+ else {
+ $message = '';
+ }
+ $message .= '(y/n)';
+
+ my $default_yes = 0;
+ my $default_no = 0;
+ if (defined($default_value)) {
+ if ($default_value =~ /^y$/i) {
+ $message .= '[y]';
+ $default_yes = 1;
+ }
+ elsif ($default_value =~ /^n$/i) {
+ $message .= '[n]';
+ $default_no = 1;
+ }
+ else {
+ notify($ERRORS{'WARNING'}, 0, "default value is not valid: '$default_value', it must be either 'y' or 'n'");
+ }
+ }
while (1) {
- setup_print_wrap("$message (Y/N)? ");
+ setup_print_wrap("$message? ");
my $input = <STDIN>;
- if ($input =~ /^y(es)?$/i) {
+ $input =~ s/[\s\r\n]+$//g;
+
+ if ((length($input) == 0 && $default_yes) || $input =~ /^y(es)?$/i) {
return 1;
}
- elsif ($input =~ /^n(o)?$/i) {
+ elsif ((length($input) == 0 && $default_no) || $input =~ /^n(o)?$/i) {
return 0;
}
}
@@ -9260,12 +9434,87 @@ sub setup_print_wrap {
my ($trailing_newlines) = $message =~ /(\n+)$/;
$message =~ s/\n+$//g;
+ $| = 1;
+
# Wrap text for lines
local($Text::Wrap::columns) = $columns;
print $leading_newlines if $leading_newlines;
print wrap('', '', $message);
- print $trailing_newlines if $trailing_newlines;
+ if ($trailing_newlines) {
+ print $trailing_newlines;
+ }
+ else {
+ print "\n";
+ }
+
+ return 1;
+}
+
+#/////////////////////////////////////////////////////////////////////////////
+
+=head2 setup_print_ok
+
+ Parameters : $message
+ Returns : true
+ Description :
+
+=cut
+
+sub setup_print_ok {
+ my ($message) = @_;
+ return unless defined($message);
+ $message =~ s/[\s\n]+$//g;
+
+ my $prefix = 'OK';
+ print colored("$prefix:", "BLACK ON_GREEN");
+ print " ";
+ setup_print_wrap($message, (100-length($prefix)-2));
+ return 1;
+}
+
+#/////////////////////////////////////////////////////////////////////////////
+
+=head2 setup_print_error
+
+ Parameters : $message
+ Returns : true
+ Description :
+
+=cut
+
+sub setup_print_error {
+ my ($message) = @_;
+ return unless defined($message);
+ $message =~ s/[\s\n]+$//g;
+
+ print get_caller_trace() . "\n\n";
+
+ my $prefix = 'ERROR';
+ print colored("$prefix:", "BOLD WHITE ON_RED");
+ print " ";
+ setup_print_wrap($message, (100-length($prefix)-2));
+ return 1;
+}
+
+#/////////////////////////////////////////////////////////////////////////////
+
+=head2 setup_print_warning
+
+ Parameters : $message
+ Returns : true
+ Description :
+
+=cut
+
+sub setup_print_warning {
+ my ($message) = @_;
+ return unless defined($message);
+ $message =~ s/[\s\n]+$//g;
+ my $prefix = 'WARNING';
+ print colored("$prefix:", "BLACK ON_YELLOW");
+ print " ";
+ setup_print_wrap($message, (100-length($prefix)-2));
return 1;
}