Shell-Script zum Verbinden mit Auth- oder User-DB via psql

diff --git a/scripts/dbconnect.pl b/scripts/dbconnect.pl
new file mode 100755 (executable)
index 0000000..6eed2a0
--- /dev/null
+++ b/scripts/dbconnect.pl
@@ -0,0 +1,59 @@
+#!/usr/bin/perl
+
+BEGIN {
+  use SL::System::Process;
+  my $exe_dir = SL::System::Process::exe_dir;
+
+  unshift @INC, "${exe_dir}/modules/override"; # Use our own versions of various modules (e.g. YAML).
+  push    @INC, "${exe_dir}/modules/fallback"; # Only use our own versions of modules if there's no system version.
+  unshift @INC, $exe_dir;
+}
+
+use strict;
+use warnings;
+
+use Data::Dumper;
+use DBI;
+use List::MoreUtils qw(any);
+use SL::LxOfficeConf;
+
+our %lx_office_conf;
+SL::LxOfficeConf->read;
+
+sub psql {
+  my ($title, %params) = @_;
+  print "Connecting to ${title} database '" . $params{db} . "' on " . $params{host} . ':' . $params{port} . " with PostgreSQL username " . $params{user} . "\n\n";
+  print "If asked for the password use this: " . $params{password} . "\n\n";
+  exec "psql", "-U", $params{user}, "-h", $params{host}, "-p", $params{port}, $params{db};
+}
+
+my $settings = $lx_office_conf{'authentication/database'};
+die "Missing configuration section 'authentication/database'" unless $settings;
+die "Incomplete database settings" if any { !$settings->{$_} } qw (host db user);
+$settings->{port} ||= 5432;
+
+psql("authentication", %{ $settings }) if !@ARGV;
+
+my $dbh = DBI->connect('dbi:Pg:dbname=' . $settings->{db} . ';host=' . $settings->{host} . ($settings->{port} ? ';port=' . $settings->{port} : ''), $settings->{user}, $settings->{password})
+  or die "Database connection to authentication database failed: " . $DBI::errstr;
+
+my $user_id = $dbh->selectrow_array(qq|SELECT id FROM auth.user WHERE login = ?|, undef, $ARGV[0])
+  or do {
+    $dbh->disconnect;
+    die "No such user in authentication database: " . $ARGV[0];
+  };
+
+my $href = $dbh->selectall_hashref(qq|SELECT cfg_key, cfg_value FROM auth.user_config WHERE user_id = ?|, 'cfg_key', undef, $user_id);
+$dbh->disconnect;
+
+my %params = (
+  host     => $href->{dbhost}->{cfg_value},
+  db       => $href->{dbname}->{cfg_value},
+  port     => $href->{dbport}->{cfg_value} || 5432,
+  user     => $href->{dbuser}->{cfg_value},
+  password => $href->{dbpasswd}->{cfg_value},
+);
+
+die "Incomplete database settings for user " . $ARGV[0] if any { !$settings->{$_} } qw (host db user);
+
+psql($ARGV[0] . "'s", %params);