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Further enhancements to the config module

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Continue work to move all the config code out of the main module into a sub module.  Not yet used by the main module.
This commit is contained in:
Duncan Ferguson 2011-07-21 08:23:49 +01:00
parent 81a79902b6
commit b51644512d
6 changed files with 142 additions and 4 deletions
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67
lib/App/ClusterSSH/Config.pm
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@ -11,7 +11,7 @@ use Carp;
use base qw/ App::ClusterSSH::Base /;
my %clusters;
my @app_specific = ( qw/ title comms method ssh rsh telnet ccon / );
my @app_specific = (qw/ title comms method ssh rsh telnet ccon /);
my %default_config = (
terminal => "xterm",
terminal_args => "",
@ -167,6 +167,64 @@ sub parse_config_file {
$self->validate_args(%read_config);
}
# could use File::Which for some of this but we also search a few other places
# just in case $PATH isnt set up right
sub find_binary {
my ( $self, $binary ) = @_;
if ( !$binary ) {
croak(
App::ClusterSSH::Exception::Config->throw(
error => $self->loc('argument not provided'),
),
);
}
$self->debug( 2, "Looking for $binary" );
my $path;
if ( !-x $binary || substr( $binary, 0, 1 ) ne '/' ) {
foreach (
split( /:/, $ENV{PATH} ), qw!
/bin
/sbin
/usr/sbin
/usr/bin
/usr/local/bin
/usr/local/sbin
/opt/local/bin
/opt/local/sbin
!
)
{
$self->debug( 3, "Looking in $_" );
if ( -f $_ . '/' . $binary && -x $_ . '/' . $binary ) {
$path = $_ . '/' . $binary;
$self->debug( 2, "Found at $path" );
last;
}
}
}
else {
$self->debug( 2, "Already configured OK" );
$path = $binary;
}
if ( !$path || !-f $path || !-x $path ) {
croak(
App::ClusterSSH::Exception::Config->throw(
error => $self->loc(
'"[_1]" binary not found - please amend $PATH or the cssh config file',
$binary
),
),
);
}
chomp($path);
return $path;
}
#use overload (
# q{""} => sub {
# my ($self) = @_;
@ -197,7 +255,7 @@ Object representing application configuration
Create a new configuration object.
=item $config->parse_config_file('<filename');
=item $config->parse_config_file('<filename>');
Read in configuration from given filename
@ -205,6 +263,11 @@ Read in configuration from given filename
Validate and apply all configuration loaded at this point
=item $path = $self->find_binary('<name>');
Locate the binary <name> and return the full path. Doesn't just search
$PATH in case the environment isn't set up correctly
=back
=head1 AUTHOR