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netdisco/lib/App/Netdisco/Configuration.pm
2017-09-18 22:46:35 +01:00

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4.7 KiB
Perl
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package App::Netdisco::Configuration;
use App::Netdisco::Environment;
use App::Netdisco::Util::SNMP ();
use Dancer ':script';
use Path::Class 'dir';
BEGIN {
if (setting('include_paths') and ref [] eq ref setting('include_paths')) {
# stuff useful locations into @INC
push @{setting('include_paths')},
dir(($ENV{NETDISCO_HOME} || $ENV{HOME}), 'nd-site-local', 'lib')->stringify
if (setting('site_local_files'));
unshift @INC, @{setting('include_paths')};
}
}
# set up database schema config from simple config vars
if (ref {} eq ref setting('database')) {
my $name = ($ENV{NETDISCO_DBNAME} || setting('database')->{name} || 'netdisco');
my $host = setting('database')->{host};
my $user = setting('database')->{user};
my $pass = setting('database')->{pass};
my $dsn = "dbi:Pg:dbname=${name}";
$dsn .= ";host=${host}" if $host;
# set up the netdisco schema now we have access to the config
# but only if it doesn't exist from an earlier config style
setting('plugins')->{DBIC}->{netdisco} ||= {
dsn => $dsn,
user => $user,
password => $pass,
options => {
AutoCommit => 1,
RaiseError => 1,
auto_savepoint => 1,
pg_enable_utf8 => 1,
},
schema_class => 'App::Netdisco::DB',
};
foreach my $c (@{setting('external_databases')}) {
my $schema = delete $c->{tag} or next;
next if $schema eq 'netdisco';
setting('plugins')->{DBIC}->{$schema} = $c;
setting('plugins')->{DBIC}->{$schema}->{schema_class}
||= 'App::Netdisco::GenericDB';
}
}
# always set this
$ENV{DBIC_TRACE_PROFILE} = 'console';
# defaults for workers
setting('workers')->{queue} ||= 'PostgreSQL';
if (exists setting('workers')->{interactives}
or exists setting('workers')->{pollers}) {
setting('workers')->{tasks} =
(setting('workers')->{pollers} || 0)
+ (setting('workers')->{interactives} || 0);
delete setting('workers')->{pollers};
delete setting('workers')->{interactives};
}
# force skipped DNS resolution, if unset
setting('dns')->{hosts_file} ||= '/etc/hosts';
setting('dns')->{no} ||= ['fe80::/64','169.254.0.0/16'];
# set max outstanding requests for AnyEvent::DNS
$ENV{'PERL_ANYEVENT_MAX_OUTSTANDING_DNS'}
= setting('dns')->{max_outstanding} || 50;
$ENV{'PERL_ANYEVENT_HOSTS'} = setting('dns')->{hosts_file};
# load /etc/hosts
setting('dns')->{'ETCHOSTS'} = {};
{
# AE::DNS::EtcHosts only works for A/AAAA/SRV, but we want PTR.
# this loads+parses /etc/hosts file using AE. dirty hack.
use AnyEvent::Socket 'format_address';
use AnyEvent::DNS::EtcHosts;
AnyEvent::DNS::EtcHosts::_load_hosts_unless(sub{},AE::cv);
no AnyEvent::DNS::EtcHosts; # unimport
setting('dns')->{'ETCHOSTS'}->{$_} =
[ map { [ $_ ? (format_address $_->[0]) : '' ] }
@{ $AnyEvent::DNS::EtcHosts::HOSTS{ $_ } } ]
for keys %AnyEvent::DNS::EtcHosts::HOSTS;
}
# support unordered dictionary as if it were a single item list
if (ref {} eq ref setting('device_identity')) {
config->{'device_identity'} = [ setting('device_identity') ];
}
else { config->{'device_identity'} ||= [] }
# copy devices_no and devices_only into others
foreach my $name (qw/devices_no devices_only
discover_no macsuck_no arpnip_no nbtstat_no
discover_only macsuck_only arpnip_only nbtstat_only/) {
config->{$name} ||= [];
config->{$name} = [setting($name)] if ref [] ne ref setting($name);
}
foreach my $name (qw/discover_no macsuck_no arpnip_no nbtstat_no/) {
push @{setting($name)}, @{ setting('devices_no') };
}
foreach my $name (qw/discover_only macsuck_only arpnip_only nbtstat_only/) {
push @{setting($name)}, @{ setting('devices_only') };
}
# fix up device_auth (or create it from old settings)
config->{'device_auth'} = [ App::Netdisco::Util::SNMP::fixup_device_auth() ];
# legacy config item names
config->{'devport_vlan_limit'} =
config->{'deviceport_vlan_membership_threshold'}
if setting('deviceport_vlan_membership_threshold')
and not setting('devport_vlan_limit');
delete config->{'deviceport_vlan_membership_threshold'};
config->{'schedule'} = config->{'housekeeping'}
if setting('housekeeping') and not setting('schedule');
delete config->{'housekeeping'};
# schedule expire used to be called expiry
setting('schedule')->{expire} ||= setting('schedule')->{expiry}
if setting('schedule') and exists setting('schedule')->{expiry};
delete config->{'schedule'}->{'expiry'} if setting('schedule');
# upgrade reports config from hash to list
if (setting('reports') and ref {} eq ref setting('reports')) {
config->{'reports'} = [ map {{
tag => $_,
%{ setting('reports')->{$_} }
}} keys %{ setting('reports') } ];
}
true;