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.\" ========================================================================
.\"
.IX Title "Munin::Master::Config 3pm"
.TH Munin::Master::Config 3pm "2021-03-08" "perl v5.28.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Munin::Master::Config \- Holds the master configuration.
.SH "METHODS"
.IX Header "METHODS"
.IP "\fBinstance\fR" 4
.IX Item "instance"
.Vb 1
\&  my $config = Munin::Master::Config\->instance;
.Ve
.Sp
Returns the (possibly newly created) singleton configuration instance.
.IP "\fBset_value\fR" 4
.IX Item "set_value"
.Vb 1
\&  $config\->set_value($longkey, $value);
.Ve
.Sp
Set a value in the config, where \f(CW$longkey\fR is the full ;:. separated value.
.IP "\fBparse_config\fR" 4
.IX Item "parse_config"
.Vb 1
\&  $config\->parse_config($io);
.Ve
.Sp
Populates the fields of \f(CW$config\fR from the configuration file referred to by
filehandle \f(CW$io\fR.
.IP "\fBlook_up\fR" 4
.IX Item "look_up"
.Vb 1
\&  my $value = $config\->look_up($key);
.Ve
.Sp
Look up a group/host by a key such as \*(L"localdomain;localhost\*(R" etc.
If the path does not exist create it with correct class and so on.
.Sp
Lookup ends at host name.  If something is missing along the way
undef is returned.
.IP "\fBget_groups_and_hosts\fR" 4
.IX Item "get_groups_and_hosts"
.Vb 1
\&  my $gah = $config\->get_groups_and_hosts();
.Ve
.Sp
Returns all the groups and hosts defined in the configuration.
.IP "\fBget_all_hosts\fR" 4
.IX Item "get_all_hosts"
.Vb 1
\&  my $hosts = $config\->get_all_hosts();
.Ve
.Sp
Returns a list of all the hosts defined in the configuration.
.IP "\fBset\fR" 4
.IX Item "set"
.Vb 1
\&  $config\->set(\e%attrs);
.Ve
.Sp
Sets the keys and values in \f(CW$config\fR to those in \f(CW%attrs\fR.