amassivus/clusterssh
1
0
Fork 0
mirror of https://github.com/duncs/clusterssh.git synced 2025-07-03 01:43:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Functionality to call external command

Browse source 
Code and tests to call the external command
This commit is contained in:
Duncan Ferguson 2013-04-15 21:34:05 +01:00
parent f1546a0d7d
commit d7e116e470
4 changed files with 128 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

3
lib/App/ClusterSSH.pm
View file

@ -439,8 +439,7 @@ sub resolve_names(@) {
};
if ($@) {
warn 'Failure running external cluster command "',
$self->config->{external_cluster_command}, '": ', $@;
warn $@, $/;
}
else {
@servers = @new_servers;

91
lib/App/ClusterSSH/Cluster.pm
View file

@ -8,6 +8,7 @@ our $VERSION = version->new('0.01');
use Carp;
use Try::Tiny;
use English qw( -no_match_vars );
use base qw/ App::ClusterSSH::Base /;
@ -26,8 +27,10 @@ sub new {
sub get_cluster_entries {
my ( $self, @files ) = @_;
for my $file ( '/etc/clusters', $ENV{HOME}.'/.clusterssh/clusters',@files ) {
$self->debug(3, 'Loading in clusters from: ', $file);
for my $file ( '/etc/clusters', $ENV{HOME} . '/.clusterssh/clusters',
@files )
{
$self->debug( 3, 'Loading in clusters from: ', $file );
$self->read_cluster_file($file);
}
@ -37,8 +40,8 @@ sub get_cluster_entries {
sub get_tag_entries {
my ( $self, @files ) = @_;
for my $file ( '/etc/tags', $ENV{HOME}.'/.clusterssh/tags',@files ) {
$self->debug(3, 'Loading in tags from: ', $file);
for my $file ( '/etc/tags', $ENV{HOME} . '/.clusterssh/tags', @files ) {
$self->debug( 3, 'Loading in tags from: ', $file );
$self->read_tag_file($file);
}
@ -48,32 +51,55 @@ sub get_tag_entries {
sub get_external_clusters {
my ( $self, $external_command, @tags ) = @_;
$self->debug(3, 'Running tags through external command');
$self->debug(4, 'External command: ', $external_command);
$self->debug(3, 'Tags: ', join(',',@tags));
$self->debug( 3, 'Running tags through external command' );
$self->debug( 4, 'External command: ', $external_command );
$self->debug( 3, 'Tags: ', join( ',', @tags ) );
############################
###########################
###########################
###########################
my $command = "$external_command @tags";
die "catchall while testing",$/;
$self->debug( 3, 'Running ', $command );
return $self;
my $result;
my $return_code;
{
local $SIG{CHLD} = undef;
$result = qx/ $command /;
$return_code = $CHILD_ERROR >> 8;
}
chomp($result);
$self->debug( 3, "Result: $result" );
$self->debug( 3, "Return code: $return_code" );
if ( $return_code != 0 ) {
croak(
App::ClusterSSH::Exception::Cluster->throw(
error => $self->loc(
"External command exited failed.\nCommand: [_1]\nReturn Code: [_2]",
$command, $return_code,
),
)
);
}
my @results=split / /, $result;
return @results;
}
sub read_tag_file {
my ( $self, $filename ) = @_;
$self->debug( 2, 'Reading tags from file ', $filename );
if ( -f $filename ) {
my %hosts = $self->load_file( type => 'cluster', filename => $filename);
foreach my $host (keys %hosts) {
$self->debug(4, "Got entry for $host on tags $hosts{$host}");
$self->register_host($host, split(/\s+/, $hosts{$host}));
my %hosts
= $self->load_file( type => 'cluster', filename => $filename );
foreach my $host ( keys %hosts ) {
$self->debug( 4, "Got entry for $host on tags $hosts{$host}" );
$self->register_host( $host, split( /\s+/, $hosts{$host} ) );
}
}
else {
$self->debug( 2, 'No file found to read');
$self->debug( 2, 'No file found to read' );
}
return $self;
}
@ -83,14 +109,15 @@ sub read_cluster_file {
$self->debug( 2, 'Reading clusters from file ', $filename );
if ( -f $filename ) {
my %tags = $self->load_file( type => 'cluster', filename => $filename);
my %tags
= $self->load_file( type => 'cluster', filename => $filename );
foreach my $tag (keys %tags) {
$self->register_tag($tag, split(/\s+/, $tags{$tag}));
foreach my $tag ( keys %tags ) {
$self->register_tag( $tag, split( /\s+/, $tags{$tag} ) );
}
}
else {
$self->debug( 2, 'No file found to read');
$self->debug( 2, 'No file found to read' );
}
return $self;
}
@ -100,11 +127,14 @@ sub register_host {
$self->debug( 2, "Registering node $node on tags:", join( ' ', @tags ) );
foreach my $tag (@tags) {
if( $self->{tags}->{$tag} ) {
$self->{tags}->{$tag} = [ sort @{ $self->{tags}->{$tag} }, $node ] ;
} else {
$self->{tags}->{$tag} = [ $node ];
if ( $self->{tags}->{$tag} ) {
$self->{tags}->{$tag}
= [ sort @{ $self->{tags}->{$tag} }, $node ];
}
else {
$self->{tags}->{$tag} = [$node];
}
#push(@{ $self->{tags}->{$tag} }, $node);
}
return $self;
@ -124,8 +154,11 @@ sub get_tag {
my ( $self, $tag ) = @_;
if ( $self->{tags}->{$tag} ) {
$self->debug( 2, "Retrieving tag $tag: ",
join( ' ', sort @{ $self->{tags}->{$tag} } ) );
$self->debug(
2,
"Retrieving tag $tag: ",
join( ' ', sort @{ $self->{tags}->{$tag} } )
);
return sort @{ $self->{tags}->{$tag} };
}
@ -136,7 +169,7 @@ sub get_tag {
sub list_tags {
my ($self) = @_;
return sort keys(%{ $self->{tags} });
return sort keys( %{ $self->{tags} } );
}
sub dump_tags {