#!/usr/bin/perl
#
# collectd - contrib/cussh.pl
-# Copyright (C) 2007 Sebastian Harl
+# Copyright (C) 2007-2009 Sebastian Harl
#
# 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
my $path = $ARGV[0] || "/var/run/collectd-unixsock";
my $sock = Collectd::Unixsock->new($path);
+ my $cmds = {
+ HELP => \&cmd_help,
+ PUTVAL => \&putval,
+ GETVAL => \&getval,
+ GETTHRESHOLD => \&getthreshold,
+ FLUSH => \&flush,
+ LISTVAL => \&listval,
+ PUTNOTIF => \&putnotif,
+ };
+
if (! $sock) {
print STDERR "Unable to connect to $path!\n";
exit 1;
}
- print "cussh version 0.1, Copyright (C) 2007 Sebastian Harl\n"
+ print "cussh version 0.2, Copyright (C) 2007-2008 Sebastian Harl\n"
. "cussh comes with ABSOLUTELY NO WARRANTY. This is free software,\n"
. "and you are welcome to redistribute it under certain conditions.\n"
. "See the GNU General Public License 2 for more details.\n\n";
print "cussh> ";
my $line = <STDIN>;
- last if ((! $line) || ($line =~ m/^quit$/i));
+ last if (! $line);
+
+ chomp $line;
+
+ last if ($line =~ m/^quit$/i);
- my ($cmd) = $line =~ m/^(\w+)\s+/;
+ my ($cmd) = $line =~ m/^(\w+)\s*/;
$line = $';
next if (! $cmd);
$cmd = uc $cmd;
my $f = undef;
- if ($cmd eq "PUTVAL") {
- $f = \&putval;
- }
- elsif ($cmd eq "GETVAL") {
- $f = \&getval;
+ if (defined $cmds->{$cmd}) {
+ $f = $cmds->{$cmd};
}
else {
print STDERR "ERROR: Unknown command $cmd!\n";
exit 0;
}
+sub tokenize {
+ my $line = shift || return;
+ my $line_ptr = $line;
+ my @line = ();
+
+ my $token_pattern = qr/[^"\s]+|"[^"]+"/;
+
+ while (my ($token) = $line_ptr =~ m/^($token_pattern)\s+/) {
+ $line_ptr = $';
+ push @line, $token;
+ }
+
+ if ($line_ptr =~ m/^$token_pattern$/) {
+ push @line, $line_ptr;
+ }
+ else {
+ my ($token) = split m/ /, $line_ptr, 1;
+ print STDERR "Failed to parse line: $line\n";
+ print STDERR "Parse error near token \"$token\".\n";
+ return;
+ }
+
+ foreach my $l (@line) {
+ if ($l =~ m/^"(.*)"$/) {
+ $l = $1;
+ }
+ }
+ return @line;
+}
+
sub getid {
my $string = shift || return;
- print $$string . $/;
my ($h, $p, $pi, $t, $ti) =
- $$string =~ m#^([^/]+)/([^/-]+)(?:-([^/]+))?/([^/-]+)(?:-([^/]+))?\s*#;
- $$string = $';
+ $string =~ m#^([^/]+)/([^/-]+)(?:-([^/]+))?/([^/-]+)(?:-([^/]+))?\s*#;
+ $string = $';
return if ((! $h) || (! $p) || (! $t));
return \%id;
}
+sub putid {
+ my $ident = shift || return;
+
+ my $string;
+
+ $string = $ident->{'host'} . "/" . $ident->{'plugin'};
+
+ if (defined $ident->{'plugin_instance'}) {
+ $string .= "-" . $ident->{'plugin_instance'};
+ }
+
+ $string .= "/" . $ident->{'type'};
+
+ if (defined $ident->{'type_instance'}) {
+ $string .= "-" . $ident->{'type_instance'};
+ }
+ return $string;
+}
+
=head1 COMMANDS
=over 4
-=item B<GETVAL> I<Identifier>
+=item B<HELP>
-=item B<PUTVAL> I<Identifier> I<Valuelist>
+=cut
-These commands follow the exact same syntax as described in
-L<collectd-unixsock(5)>.
+sub cmd_help {
+ my $sock = shift;
+ my $line = shift || '';
+
+ my @line = tokenize($line);
+ my $cmd = shift (@line);
+
+ my %text = (
+ help => <<HELP,
+Available commands:
+ HELP
+ PUTVAL
+ GETVAL
+ GETTHRESHOLD
+ FLUSH
+ LISTVAL
+ PUTNOTIF
+
+See the embedded Perldoc documentation for details. To do that, run:
+ perldoc $0
+HELP
+ putval => <<HELP,
+PUTVAL <id> <value0> [<value1> ...]
+
+Submits a value to the daemon.
+HELP
+ getval => <<HELP,
+GETVAL <id>
+
+Retrieves the current value or values from the daemon.
+HELP
+ flush => <<HELP,
+FLUSH [plugin=<plugin>] [timeout=<timeout>] [identifier=<id>] [...]
+
+Sends a FLUSH command to the daemon.
+HELP
+ listval => <<HELP,
+LISTVAL
+
+Prints a list of available values.
+HELP
+ putnotif => <<HELP
+PUTNOTIF severity=<severity> [...] message=<message>
+
+Sends a notifications message to the daemon.
+HELP
+ );
+
+ if (!$cmd)
+ {
+ $cmd = 'help';
+ }
+ if (!exists ($text{$cmd}))
+ {
+ print STDOUT "Unknown command: " . uc ($cmd) . "\n\n";
+ $cmd = 'help';
+ }
+
+ print STDOUT $text{$cmd};
+
+ return 1;
+} # cmd_help
+
+=item B<PUTVAL> I<Identifier> I<Valuelist>
=cut
my $sock = shift || return;
my $line = shift || return;
- my $id = getid(\$line);
+ my @line = tokenize($line);
- return if (! $id);
+ my $id;
+ my $ret;
+
+ if (! @line) {
+ return;
+ }
+
+ if (scalar(@line) < 2) {
+ print STDERR "Synopsis: PUTVAL <id> <value0> [<value1> ...]" . $/;
+ return;
+ }
+
+ $id = getid($line[0]);
+
+ if (! $id) {
+ print STDERR "Invalid id \"$line[0]\"." . $/;
+ return;
+ }
my ($time, @values) = split m/:/, $line;
- return $sock->putval(%$id, $time, \@values);
+ $ret = $sock->putval(%$id, time => $time, values => \@values);
+
+ if (! $ret) {
+ print STDERR "socket error: " . $sock->{'error'} . $/;
+ }
+ return $ret;
}
+=item B<GETVAL> I<Identifier>
+
+=cut
+
sub getval {
my $sock = shift || return;
my $line = shift || return;
- my $id = getid(\$line);
+ my @line = tokenize($line);
+
+ my $id;
+ my $vals;
+
+ if (! @line) {
+ return;
+ }
+
+ if (scalar(@line) < 1) {
+ print STDERR "Synopsis: GETVAL <id>" . $/;
+ return;
+ }
+
+ $id = getid($line[0]);
+
+ if (! $id) {
+ print STDERR "Invalid id \"$line[0]\"." . $/;
+ return;
+ }
+
+ $vals = $sock->getval(%$id);
+
+ if (! $vals) {
+ print STDERR "socket error: " . $sock->{'error'} . $/;
+ return;
+ }
+
+ foreach my $key (keys %$vals) {
+ print "\t$key: $vals->{$key}\n";
+ }
+ return 1;
+}
+
+=item B<GETTHRESHOLD> I<Identifier>
+
+=cut
+
+sub getthreshold {
+ my $sock = shift || return;
+ my $line = shift || return;
+
+ my @line = tokenize($line);
- return if (! $id);
+ my $id;
+ my $vals;
- my $vals = $sock->getval(%$id);
+ if (! @line) {
+ return;
+ }
- return if (! $vals);
+ if (scalar(@line) < 1) {
+ print STDERR "Synopsis: GETTHRESHOLD <id>" . $/;
+ return;
+ }
+
+ $id = getid($line[0]);
+
+ if (! $id) {
+ print STDERR "Invalid id \"$line[0]\"." . $/;
+ return;
+ }
+
+ $vals = $sock->getthreshold(%$id);
+
+ if (! $vals) {
+ print STDERR "socket error: " . $sock->{'error'} . $/;
+ return;
+ }
foreach my $key (keys %$vals) {
print "\t$key: $vals->{$key}\n";
return 1;
}
+=item B<FLUSH> [B<timeout>=I<$timeout>] [B<plugin>=I<$plugin>[ ...]]
+
+=cut
+
+sub flush {
+ my $sock = shift || return;
+ my $line = shift;
+
+ my @line = tokenize($line);
+
+ my $res;
+
+ if (! $line) {
+ $res = $sock->flush();
+ }
+ else {
+ my %args = ();
+
+ foreach my $i (@line) {
+ my ($option, $value) = $i =~ m/^([^=]+)=(.+)$/;
+ next if (! ($option && $value));
+
+ if ($option eq "plugin") {
+ push @{$args{"plugins"}}, $value;
+ }
+ elsif ($option eq "timeout") {
+ $args{"timeout"} = $value;
+ }
+ elsif ($option eq "identifier") {
+ my $id = getid ($value);
+ if (!$id)
+ {
+ print STDERR "Not a valid identifier: \"$value\"\n";
+ next;
+ }
+ push @{$args{"identifier"}}, $id;
+ }
+ else {
+ print STDERR "Invalid option \"$option\".\n";
+ return;
+ }
+ }
+
+ $res = $sock->flush(%args);
+ }
+
+ if (! $res) {
+ print STDERR "socket error: " . $sock->{'error'} . $/;
+ }
+ return $res;
+}
+
+=item B<LISTVAL>
+
+=cut
+
+sub listval {
+ my $sock = shift || return;
+ my $line = shift;
+
+ my @res;
+
+ if ($line ne "") {
+ print STDERR "Synopsis: LISTVAL" . $/;
+ return;
+ }
+
+ @res = $sock->listval();
+
+ if (! @res) {
+ print STDERR "socket error: " . $sock->{'error'} . $/;
+ return;
+ }
+
+ foreach my $ident (@res) {
+ print $ident->{'time'} . " " . putid($ident) . $/;
+ }
+ return 1;
+}
+
+=item B<PUTNOTIF> [[B<severity>=I<$severity>] [B<message>=I<$message>] [ ...]]
+
+=cut
+
+sub putnotif {
+ my $sock = shift || return;
+ my $line = shift || return;
+
+ my @line = tokenize($line);
+
+ my $ret;
+
+ my (%values) = ();
+ foreach my $i (@line) {
+ my ($key, $val) = split m/=/, $i, 2;
+ if ($key && $val) {
+ $values{$key} = $val;
+ }
+ else {
+ $values{'message'} = defined($values{'message'})
+ ? ($values{'message'} . ' ' . $key)
+ : $key;
+ }
+ }
+ $values{'time'} ||= time();
+
+ $ret = $sock->putnotif(%values);
+ if (! $ret) {
+ print STDERR "socket error: " . $sock->{'error'} . $/;
+ }
+ return $ret;
+}
+
+=back
+
+These commands follow the exact same syntax as described in
+L<collectd-unixsock(5)>.
+
=head1 SEE ALSO
L<collectd(1)>, L<collectd-unisock(5)>
projects / collectd.git / blobdiff