rename *-daemon apps to be *-backend

Squashed commit of the following: commit 39b438aa4b Author: Oliver Gorwits <oliver@cpan.org> Date: Sat May 6 16:40:11 2017 +0100 add release notes commit ca4ea90d35 Author: Oliver Gorwits <oliver@cpan.org> Date: Sat May 6 16:32:06 2017 +0100 update distmeta commit 4e35b904b0 Author: Oliver Gorwits <oliver@cpan.org> Date: Sat May 6 16:30:22 2017 +0100 rename files from Daemon to Backend commit 86a605ba68 Author: Oliver Gorwits <oliver@cpan.org> Date: Sat May 6 16:26:43 2017 +0100 rename daemon to backend in code commit ffe8fc180f Author: Oliver Gorwits <oliver@cpan.org> Date: Sat May 6 16:15:57 2017 +0100 add daemon files which exec to backend equivalents commit 53e041594e Author: Oliver Gorwits <oliver@cpan.org> Date: Sat May 6 15:32:49 2017 +0100 rename netdisco-daemon to netdisco-backend
2017-05-06 16:40:48 +01:00
parent db9d98b69b
commit d74ccac4f6
33 changed files with 537 additions and 461 deletions
--- a/Build.PL
+++ b/Build.PL
@@ -89,6 +89,8 @@ Module::Build->new(
    'bin/netdisco-db-deploy',
    'bin/netdisco-deploy',
    'bin/netdisco-do',
+    'bin/netdisco-backend-fg',
+    'bin/netdisco-backend',
    'bin/netdisco-daemon-fg',
    'bin/netdisco-daemon',
    'bin/netdisco-web-fg',
--- a/49
+++ b/49
@@ -1,10 +1,13 @@
 bin/nd-dbic-versions
 bin/nd-import-topology
+bin/netdisco-backend
+bin/netdisco-backend-fg
 bin/netdisco-daemon
 bin/netdisco-daemon-fg
 bin/netdisco-db-deploy
 bin/netdisco-deploy
 bin/netdisco-do
+bin/netdisco-do-e
 bin/netdisco-rancid-export
 bin/netdisco-sshcollector
 bin/netdisco-web
@@ -13,25 +16,39 @@ Build.PL
 Changes
 lib/App/Netdisco.pm
 lib/App/Netdisco/AnyEvent/Nbtstat.pm
+lib/App/Netdisco/Backend/Job.pm
+lib/App/Netdisco/Backend/Job.pm-e
+lib/App/Netdisco/Backend/Util.pm
+lib/App/Netdisco/Backend/Util.pm-e
+lib/App/Netdisco/Backend/Worker/Common.pm
+lib/App/Netdisco/Backend/Worker/Common.pm-e
+lib/App/Netdisco/Backend/Worker/Interactive/DeviceActions.pm
+lib/App/Netdisco/Backend/Worker/Interactive/DeviceActions.pm-e
+lib/App/Netdisco/Backend/Worker/Interactive/PortActions.pm
+lib/App/Netdisco/Backend/Worker/Interactive/PortActions.pm-e
+lib/App/Netdisco/Backend/Worker/Manager.pm
+lib/App/Netdisco/Backend/Worker/Manager.pm-e
+lib/App/Netdisco/Backend/Worker/Poller.pm
+lib/App/Netdisco/Backend/Worker/Poller.pm-e
+lib/App/Netdisco/Backend/Worker/Poller/Arpnip.pm
+lib/App/Netdisco/Backend/Worker/Poller/Arpnip.pm-e
+lib/App/Netdisco/Backend/Worker/Poller/Common.pm
+lib/App/Netdisco/Backend/Worker/Poller/Common.pm-e
+lib/App/Netdisco/Backend/Worker/Poller/Device.pm
+lib/App/Netdisco/Backend/Worker/Poller/Device.pm-e
+lib/App/Netdisco/Backend/Worker/Poller/Expiry.pm
+lib/App/Netdisco/Backend/Worker/Poller/Expiry.pm-e
+lib/App/Netdisco/Backend/Worker/Poller/Macsuck.pm
+lib/App/Netdisco/Backend/Worker/Poller/Macsuck.pm-e
+lib/App/Netdisco/Backend/Worker/Poller/Nbtstat.pm
+lib/App/Netdisco/Backend/Worker/Poller/Nbtstat.pm-e
+lib/App/Netdisco/Backend/Worker/Scheduler.pm
+lib/App/Netdisco/Backend/Worker/Scheduler.pm-e
 lib/App/Netdisco/Configuration.pm
 lib/App/Netdisco/Core/Arpnip.pm
 lib/App/Netdisco/Core/Discover.pm
 lib/App/Netdisco/Core/Macsuck.pm
 lib/App/Netdisco/Core/Nbtstat.pm
-lib/App/Netdisco/Daemon/Job.pm
-lib/App/Netdisco/Daemon/Util.pm
-lib/App/Netdisco/Daemon/Worker/Common.pm
-lib/App/Netdisco/Daemon/Worker/Interactive/DeviceActions.pm
-lib/App/Netdisco/Daemon/Worker/Interactive/PortActions.pm
-lib/App/Netdisco/Daemon/Worker/Manager.pm
-lib/App/Netdisco/Daemon/Worker/Poller.pm
-lib/App/Netdisco/Daemon/Worker/Poller/Arpnip.pm
-lib/App/Netdisco/Daemon/Worker/Poller/Common.pm
-lib/App/Netdisco/Daemon/Worker/Poller/Device.pm
-lib/App/Netdisco/Daemon/Worker/Poller/Expiry.pm
-lib/App/Netdisco/Daemon/Worker/Poller/Macsuck.pm
-lib/App/Netdisco/Daemon/Worker/Poller/Nbtstat.pm
-lib/App/Netdisco/Daemon/Worker/Scheduler.pm
 lib/App/Netdisco/DB.pm
 lib/App/Netdisco/DB/ExplicitLocking.pm
 lib/App/Netdisco/DB/Result/Admin.pm
@@ -102,6 +119,7 @@ lib/App/Netdisco/GenericDB.pm
 lib/App/Netdisco/GenericDB/Result/Virtual/GenericReport.pm
 lib/App/Netdisco/JobQueue.pm
 lib/App/Netdisco/JobQueue/PostgreSQL.pm
+lib/App/Netdisco/JobQueue/PostgreSQL.pm-e
 lib/App/Netdisco/Manual/BSDInstall.pod
 lib/App/Netdisco/Manual/Configuration.pod
 lib/App/Netdisco/Manual/Deployment.pod
@@ -122,7 +140,7 @@ lib/App/Netdisco/SSHCollector/Platform/IOSXR.pm
 lib/App/Netdisco/SSHCollector/Platform/Linux.pm
 lib/App/Netdisco/SSHCollector/Platform/NXOS.pm
 lib/App/Netdisco/SSHCollector/Platform/PaloAlto.pm
-lib/App/Netdisco/Util/Daemon.pm
+lib/App/Netdisco/Util/Backend.pm
 lib/App/Netdisco/Util/Device.pm
 lib/App/Netdisco/Util/DNS.pm
 lib/App/Netdisco/Util/ExpandParams.pm
@@ -420,6 +438,7 @@ share/views/sidebar/report/subnets.tt
 share/views/sidebar/search/device.tt
 share/views/sidebar/search/node.tt
 share/views/sidebar/search/port.tt
+t/20-checkacl.t
 xt/10-sort_port.t
 xt/11-portsort.t
 xt/20-checkacl.t
--- a/META.json
+++ b/META.json
@@ -104,6 +104,48 @@
      "App::Netdisco::AnyEvent::Nbtstat" : {
         "file" : "lib/App/Netdisco/AnyEvent/Nbtstat.pm"
      },
+      "App::Netdisco::Backend::Job" : {
+         "file" : "lib/App/Netdisco/Backend/Job.pm"
+      },
+      "App::Netdisco::Backend::Util" : {
+         "file" : "lib/App/Netdisco/Backend/Util.pm"
+      },
+      "App::Netdisco::Backend::Worker::Common" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Common.pm"
+      },
+      "App::Netdisco::Backend::Worker::Interactive::DeviceActions" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Interactive/DeviceActions.pm"
+      },
+      "App::Netdisco::Backend::Worker::Interactive::PortActions" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Interactive/PortActions.pm"
+      },
+      "App::Netdisco::Backend::Worker::Manager" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Manager.pm"
+      },
+      "App::Netdisco::Backend::Worker::Poller" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Poller.pm"
+      },
+      "App::Netdisco::Backend::Worker::Poller::Arpnip" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Poller/Arpnip.pm"
+      },
+      "App::Netdisco::Backend::Worker::Poller::Common" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Poller/Common.pm"
+      },
+      "App::Netdisco::Backend::Worker::Poller::Device" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Poller/Device.pm"
+      },
+      "App::Netdisco::Backend::Worker::Poller::Expiry" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Poller/Expiry.pm"
+      },
+      "App::Netdisco::Backend::Worker::Poller::Macsuck" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Poller/Macsuck.pm"
+      },
+      "App::Netdisco::Backend::Worker::Poller::Nbtstat" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Poller/Nbtstat.pm"
+      },
+      "App::Netdisco::Backend::Worker::Scheduler" : {
+         "file" : "lib/App/Netdisco/Backend/Worker/Scheduler.pm"
+      },
      "App::Netdisco::Configuration" : {
         "file" : "lib/App/Netdisco/Configuration.pm"
      },
@@ -315,48 +357,6 @@
      "App::Netdisco::DB::ResultSet::Subnet" : {
         "file" : "lib/App/Netdisco/DB/ResultSet/Subnet.pm"
      },
-      "App::Netdisco::Daemon::Job" : {
-         "file" : "lib/App/Netdisco/Daemon/Job.pm"
-      },
-      "App::Netdisco::Daemon::Util" : {
-         "file" : "lib/App/Netdisco/Daemon/Util.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Common" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Common.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Interactive::DeviceActions" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Interactive/DeviceActions.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Interactive::PortActions" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Interactive/PortActions.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Manager" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Manager.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Poller" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Poller.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Poller::Arpnip" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Poller/Arpnip.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Poller::Common" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Poller/Common.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Poller::Device" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Poller/Device.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Poller::Expiry" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Poller/Expiry.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Poller::Macsuck" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Poller/Macsuck.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Poller::Nbtstat" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Poller/Nbtstat.pm"
-      },
-      "App::Netdisco::Daemon::Worker::Scheduler" : {
-         "file" : "lib/App/Netdisco/Daemon/Worker/Scheduler.pm"
-      },
      "App::Netdisco::Environment" : {
         "file" : "lib/App/Netdisco/Environment.pm"
      },
@@ -405,12 +405,12 @@
      "App::Netdisco::SSHCollector::Platform::PaloAlto" : {
         "file" : "lib/App/Netdisco/SSHCollector/Platform/PaloAlto.pm"
      },
+      "App::Netdisco::Util::Backend" : {
+         "file" : "lib/App/Netdisco/Util/Backend.pm"
+      },
      "App::Netdisco::Util::DNS" : {
         "file" : "lib/App/Netdisco/Util/DNS.pm"
      },
-      "App::Netdisco::Util::Daemon" : {
-         "file" : "lib/App/Netdisco/Util/Daemon.pm"
-      },
      "App::Netdisco::Util::Device" : {
         "file" : "lib/App/Netdisco/Util/Device.pm"
      },
--- a/META.yml
+++ b/META.yml
@@ -21,6 +21,34 @@ provides:
    version: '2.035006'
  App::Netdisco::AnyEvent::Nbtstat:
    file: lib/App/Netdisco/AnyEvent/Nbtstat.pm
+  App::Netdisco::Backend::Job:
+    file: lib/App/Netdisco/Backend/Job.pm
+  App::Netdisco::Backend::Util:
+    file: lib/App/Netdisco/Backend/Util.pm
+  App::Netdisco::Backend::Worker::Common:
+    file: lib/App/Netdisco/Backend/Worker/Common.pm
+  App::Netdisco::Backend::Worker::Interactive::DeviceActions:
+    file: lib/App/Netdisco/Backend/Worker/Interactive/DeviceActions.pm
+  App::Netdisco::Backend::Worker::Interactive::PortActions:
+    file: lib/App/Netdisco/Backend/Worker/Interactive/PortActions.pm
+  App::Netdisco::Backend::Worker::Manager:
+    file: lib/App/Netdisco/Backend/Worker/Manager.pm
+  App::Netdisco::Backend::Worker::Poller:
+    file: lib/App/Netdisco/Backend/Worker/Poller.pm
+  App::Netdisco::Backend::Worker::Poller::Arpnip:
+    file: lib/App/Netdisco/Backend/Worker/Poller/Arpnip.pm
+  App::Netdisco::Backend::Worker::Poller::Common:
+    file: lib/App/Netdisco/Backend/Worker/Poller/Common.pm
+  App::Netdisco::Backend::Worker::Poller::Device:
+    file: lib/App/Netdisco/Backend/Worker/Poller/Device.pm
+  App::Netdisco::Backend::Worker::Poller::Expiry:
+    file: lib/App/Netdisco/Backend/Worker/Poller/Expiry.pm
+  App::Netdisco::Backend::Worker::Poller::Macsuck:
+    file: lib/App/Netdisco/Backend/Worker/Poller/Macsuck.pm
+  App::Netdisco::Backend::Worker::Poller::Nbtstat:
+    file: lib/App/Netdisco/Backend/Worker/Poller/Nbtstat.pm
+  App::Netdisco::Backend::Worker::Scheduler:
+    file: lib/App/Netdisco/Backend/Worker/Scheduler.pm
  App::Netdisco::Configuration:
    file: lib/App/Netdisco/Configuration.pm
  App::Netdisco::Core::Arpnip:
@@ -162,34 +190,6 @@ provides:
    file: lib/App/Netdisco/DB/ResultSet/NodeWireless.pm
  App::Netdisco::DB::ResultSet::Subnet:
    file: lib/App/Netdisco/DB/ResultSet/Subnet.pm
-  App::Netdisco::Daemon::Job:
-    file: lib/App/Netdisco/Daemon/Job.pm
-  App::Netdisco::Daemon::Util:
-    file: lib/App/Netdisco/Daemon/Util.pm
-  App::Netdisco::Daemon::Worker::Common:
-    file: lib/App/Netdisco/Daemon/Worker/Common.pm
-  App::Netdisco::Daemon::Worker::Interactive::DeviceActions:
-    file: lib/App/Netdisco/Daemon/Worker/Interactive/DeviceActions.pm
-  App::Netdisco::Daemon::Worker::Interactive::PortActions:
-    file: lib/App/Netdisco/Daemon/Worker/Interactive/PortActions.pm
-  App::Netdisco::Daemon::Worker::Manager:
-    file: lib/App/Netdisco/Daemon/Worker/Manager.pm
-  App::Netdisco::Daemon::Worker::Poller:
-    file: lib/App/Netdisco/Daemon/Worker/Poller.pm
-  App::Netdisco::Daemon::Worker::Poller::Arpnip:
-    file: lib/App/Netdisco/Daemon/Worker/Poller/Arpnip.pm
-  App::Netdisco::Daemon::Worker::Poller::Common:
-    file: lib/App/Netdisco/Daemon/Worker/Poller/Common.pm
-  App::Netdisco::Daemon::Worker::Poller::Device:
-    file: lib/App/Netdisco/Daemon/Worker/Poller/Device.pm
-  App::Netdisco::Daemon::Worker::Poller::Expiry:
-    file: lib/App/Netdisco/Daemon/Worker/Poller/Expiry.pm
-  App::Netdisco::Daemon::Worker::Poller::Macsuck:
-    file: lib/App/Netdisco/Daemon/Worker/Poller/Macsuck.pm
-  App::Netdisco::Daemon::Worker::Poller::Nbtstat:
-    file: lib/App/Netdisco/Daemon/Worker/Poller/Nbtstat.pm
-  App::Netdisco::Daemon::Worker::Scheduler:
-    file: lib/App/Netdisco/Daemon/Worker/Scheduler.pm
  App::Netdisco::Environment:
    file: lib/App/Netdisco/Environment.pm
  App::Netdisco::GenericDB:
@@ -222,10 +222,10 @@ provides:
    file: lib/App/Netdisco/SSHCollector/Platform/NXOS.pm
  App::Netdisco::SSHCollector::Platform::PaloAlto:
    file: lib/App/Netdisco/SSHCollector/Platform/PaloAlto.pm
+  App::Netdisco::Util::Backend:
+    file: lib/App/Netdisco/Util/Backend.pm
  App::Netdisco::Util::DNS:
    file: lib/App/Netdisco/Util/DNS.pm
-  App::Netdisco::Util::Daemon:
-    file: lib/App/Netdisco/Util/Daemon.pm
  App::Netdisco::Util::Device:
    file: lib/App/Netdisco/Util/Device.pm
  App::Netdisco::Util::ExpandParams:
--- a/bin/netdisco-backend
+++ b/bin/netdisco-backend
@@ -0,0 +1,186 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+our $home;
+
+BEGIN {
+  use FindBin;
+  FindBin::again();
+
+  my $me = File::Spec->catfile($FindBin::RealBin, $FindBin::RealScript);
+  my $uid = (stat($me))[4] || 0;
+
+  $home = ($ENV{NETDISCO_HOME} || (getpwuid($uid))[7] || $ENV{HOME});
+
+  # try to find a localenv if one isn't already in place.
+  if (!exists $ENV{PERL_LOCAL_LIB_ROOT}) {
+      use File::Spec;
+      my $localenv = File::Spec->catfile($FindBin::Bin, 'localenv');
+      exec($localenv, $0, @ARGV) if -f $localenv;
+      $localenv = File::Spec->catfile($home, 'perl5', 'bin', 'localenv');
+      exec($localenv, $0, @ARGV) if -f $localenv;
+
+      die "Sorry, can't find libs required for App::Netdisco.\n"
+        if !exists $ENV{PERLBREW_PERL};
+  }
+}
+
+BEGIN {
+  use Path::Class;
+
+  # stuff useful locations into @INC and $PATH
+  unshift @INC,
+    dir($FindBin::RealBin)->parent->subdir('lib')->stringify,
+    dir($FindBin::RealBin, 'lib')->stringify;
+
+  use Config;
+  $ENV{PATH} = $FindBin::RealBin . $Config{path_sep} . $ENV{PATH};
+}
+
+use Daemon::Control;
+use Filesys::Notify::Simple;
+use File::Copy;
+
+use App::Netdisco::Environment;
+my $config = ($ENV{PLACK_ENV} || $ENV{DANCER_ENVIRONMENT}) .'.yml';
+
+my $netdisco = file($FindBin::RealBin, 'netdisco-backend-fg');
+my @args = (scalar @ARGV > 1 ? @ARGV[1 .. $#ARGV] : ());
+
+my $log_dir = dir($home, 'logs');
+mkdir $log_dir if ! -d $log_dir;
+my $log_file = file($log_dir, 'netdisco-backend.log');
+
+my $uid = (stat($netdisco->stringify))[4] || 0;
+my $gid = (stat($netdisco->stringify))[5] || 0;
+
+Daemon::Control->new({
+  name => 'Netdisco Backend',
+  program  => \&restarter,
+  program_args => [@args],
+  pid_file => file($home, 'netdisco-backend.pid'),
+  stderr_file => $log_file,
+  stdout_file => $log_file,
+  redirect_before_fork => 0,
+  uid => $uid, gid => $gid,
+})->run;
+
+# the guts of this are borrowed from Plack::Loader::Restarter - many thanks!!
+my $child = 0;
+
+sub restarter {
+  my ($daemon, @program_args) = @_;
+  $0 = 'netdisco-backend';
+
+  $child = fork_and_start($daemon, @program_args);
+  exit(1) unless $child;
+
+  my $watcher = Filesys::Notify::Simple->new([$ENV{DANCER_ENVDIR}, $log_dir]);
+  warn "config watcher: watching $ENV{DANCER_ENVDIR} for updates.\n";
+
+  local $SIG{TERM} = sub { $child = signal_child('TERM', $child); exit(0); };
+
+  while (1) {
+      my @restart;
+
+      # this is blocking
+      $watcher->wait(sub {
+          my @events = @_;
+          @events = grep {$_->{path} eq $log_file or
+                          file($_->{path})->basename eq $config} @events;
+          return unless @events;
+          @restart = @events;
+      });
+
+      my ($hupit, $rotate) = (0, 0);
+      next unless @restart;
+
+      foreach my $f (@restart) {
+          if ($f->{path} eq $log_file) {
+              ++$rotate;
+          }
+          else {
+              warn "-- $f->{path} updated.\n";
+              ++$hupit;
+          }
+      }
+
+      rotate_logs($child, $daemon, @program_args) if $rotate;
+      if ($hupit) {
+          signal_child('TERM', $child);
+          $child = fork_and_start($daemon, @program_args);
+          exit(1) unless $child;
+      }
+  }
+}
+
+sub fork_and_start {
+  my ($daemon, @daemon_args) = @_;
+  my $pid = fork;
+  die "Can't fork: $!" unless defined $pid;
+
+  if ($pid == 0) { # child
+      $daemon->redirect_filehandles;
+      exec( $netdisco->stringify, @daemon_args );
+  }
+  else {
+      return $pid;
+  }
+}
+
+sub signal_child {
+  my ($signal, $pid) = @_;
+  return unless $signal and $pid;
+  warn "config watcher: sending $signal to the server (pid:$pid)...\n";
+  kill $signal => $pid;
+  waitpid($pid, 0);
+}
+
+sub rotate_logs {
+  my $child = shift;
+
+  return unless (-f $log_file) and
+    ((-s $log_file) > (10 * 1024768));
+
+  my @files = glob file($log_dir, '*');
+  foreach my $f (reverse sort @files) {
+      next unless $f =~ m/$log_file\.(\d)$/;
+      my $pos = $1;
+      unlink $f if $pos == 7;
+      my $next = $pos + 1;
+      (my $newf = $f) =~ s/\.$pos$/.$next/;
+      rename $f, $newf;
+  }
+
+  # if the log file's about 10M then the race condition in copy/truncate
+  # has a low risk of data loss. if the file's larger, then we rename and
+  # kill.
+  if ((-s $log_file) > (12 * 1024768)) {
+      rename $log_file, $log_file .'.1';
+      signal_child('TERM', $child);
+      $child = fork_and_start(@_);
+      exit(1) unless $child;
+  }
+  else {
+      copy $log_file, $log_file .'.1';
+      truncate $log_file, 0;
+  }
+}
+
+=head1 NAME
+
+netdisco-backend - Job Control Daemon for Netdisco
+
+=head1 SEE ALSO
+
+=over 4
+
+=item *
+
+L<App::Netdisco>
+
+=back
+
+=cut
--- a/bin/netdisco-backend-fg
+++ b/bin/netdisco-backend-fg
@@ -0,0 +1,109 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+use FindBin;
+FindBin::again();
+use Path::Class 'dir';
+
+# get a segfault if we load this later
+use if $^O eq 'linux', 'Sys::Proctitle';
+
+BEGIN {
+  # stuff useful locations into @INC
+  unshift @INC,
+    dir($FindBin::RealBin)->parent->subdir('lib')->stringify,
+    dir($FindBin::RealBin, 'lib')->stringify;
+
+  unshift @INC,
+    split m/:/, ($ENV{NETDISCO_INC} || '');
+}
+
+use App::Netdisco;
+use Dancer qw/:moose :script/;
+warning sprintf "App::Netdisco %s backend", ($App::Netdisco::VERSION || 'HEAD');
+
+use App::Netdisco::Util::Backend;
+use NetAddr::IP::Lite ':lower'; # to quench AF_INET6 symbol errors
+use Role::Tiny::With;
+
+# preload all worker modules into shared memory
+use App::Netdisco::Backend::Job ();
+use App::Netdisco::Backend::Util ();
+use App::Netdisco::Backend::Worker::Common ();
+use App::Netdisco::Backend::Worker::Interactive::DeviceActions ();
+use App::Netdisco::Backend::Worker::Interactive::PortActions ();
+use App::Netdisco::Backend::Worker::Manager ();
+use App::Netdisco::Backend::Worker::Poller::Arpnip ();
+use App::Netdisco::Backend::Worker::Poller::Common ();
+use App::Netdisco::Backend::Worker::Poller::Device ();
+use App::Netdisco::Backend::Worker::Poller::Expiry ();
+use App::Netdisco::Backend::Worker::Poller::Macsuck ();
+use App::Netdisco::Backend::Worker::Poller::Nbtstat ();
+use App::Netdisco::Backend::Worker::Poller ();
+use App::Netdisco::Backend::Worker::Scheduler ();
+
+use MCE::Signal '-setpgrp';
+use MCE::Flow Sereal => 1;
+use MCE::Queue;
+
+# set temporary MCE files' location in home directory
+my $home = ($ENV{NETDISCO_HOME} || $ENV{HOME});
+my $tmp_dir = ($ENV{NETDISCO_TEMP} || dir($home, 'tmp'));
+mkdir $tmp_dir if ! -d $tmp_dir;
+
+# process-table text
+prctl 'netdisco-backend: master';
+
+# shared local job queue
+my $queue = MCE::Queue->new;
+
+# support a scheduler-only node
+setting('workers')->{'no_manager'} = 1
+  if setting('workers')->{tasks} eq '0';
+
+# MCE::Util has a limit of ncpu if AUTO is used in max_workers,
+# so we parse the field ourselves.
+my $max_workers = parse_max_workers( setting('workers')->{tasks} ) || 0;
+
+mce_flow {
+  task_name => [qw/ scheduler manager poller /],
+  max_workers => [ 1, 1, $max_workers ],
+  tmp_dir => $tmp_dir,
+  on_post_exit => sub { MCE->restart_worker },
+}, _mk_wkr('Scheduler'), _mk_wkr('Manager'), _mk_wkr('Poller');
+
+sub _mk_wkr {
+  my $role = shift;
+  return sub {
+    my $self = shift;
+    $self->{queue} = $queue;
+
+    prctl sprintf 'netdisco-backend: worker #%s %s: init', MCE->wid, lc($role);
+    info sprintf 'applying role %s to worker %s', $role, MCE->wid;
+
+    # post-fork, become manager, scheduler, poller, etc
+    Role::Tiny->apply_roles_to_object(
+      $self => "App::Netdisco::Backend::Worker::$role");
+
+    $self->worker_begin if $self->can('worker_begin');
+    $self->worker_body;
+  };
+}
+
+=head1 NAME
+
+netdisco-backend-fg - Job Control for Netdisco
+
+=head1 SEE ALSO
+
+=over 4
+
+=item *
+
+L<App::Netdisco>
+
+=back
+
+=cut
--- a/bin/netdisco-daemon
+++ b/bin/netdisco-daemon
@@ -3,184 +3,17 @@
 use strict;
 use warnings;

-our $home;
+use File::Spec;
+use Cwd 'realpath';

-BEGIN {
 use FindBin;
 FindBin::again();

-  my $me = File::Spec->catfile($FindBin::RealBin, $FindBin::RealScript);
-  my $uid = (stat($me))[4] || 0;
+my $backend =
+  File::Spec->catfile(
+    (File::Spec->splitpath(
+      realpath(File::Spec->catfile( $FindBin::RealBin, $FindBin::RealScript ))
+    ))[1],
+  'netdisco-backend');

-  $home = ($ENV{NETDISCO_HOME} || (getpwuid($uid))[7] || $ENV{HOME});
-
-  # try to find a localenv if one isn't already in place.
-  if (!exists $ENV{PERL_LOCAL_LIB_ROOT}) {
-      use File::Spec;
-      my $localenv = File::Spec->catfile($FindBin::Bin, 'localenv');
-      exec($localenv, $0, @ARGV) if -f $localenv;
-      $localenv = File::Spec->catfile($home, 'perl5', 'bin', 'localenv');
-      exec($localenv, $0, @ARGV) if -f $localenv;
-
-      die "Sorry, can't find libs required for App::Netdisco.\n"
-        if !exists $ENV{PERLBREW_PERL};
-  }
-}
-
-BEGIN {
-  use Path::Class;
-
-  # stuff useful locations into @INC and $PATH
-  unshift @INC,
-    dir($FindBin::RealBin)->parent->subdir('lib')->stringify,
-    dir($FindBin::RealBin, 'lib')->stringify;
-
-  use Config;
-  $ENV{PATH} = $FindBin::RealBin . $Config{path_sep} . $ENV{PATH};
-}
-
-use Daemon::Control;
-use Filesys::Notify::Simple;
-use File::Copy;
-
-use App::Netdisco::Environment;
-my $config = ($ENV{PLACK_ENV} || $ENV{DANCER_ENVIRONMENT}) .'.yml';
-
-my $netdisco = file($FindBin::RealBin, 'netdisco-daemon-fg');
-my @args = (scalar @ARGV > 1 ? @ARGV[1 .. $#ARGV] : ());
-
-my $log_dir = dir($home, 'logs');
-mkdir $log_dir if ! -d $log_dir;
-my $log_file = file($log_dir, 'netdisco-daemon.log');
-
-my $uid = (stat($netdisco->stringify))[4] || 0;
-my $gid = (stat($netdisco->stringify))[5] || 0;
-
-Daemon::Control->new({
-  name => 'Netdisco Daemon',
-  program  => \&restarter,
-  program_args => [@args],
-  pid_file => file($home, 'netdisco-daemon.pid'),
-  stderr_file => $log_file,
-  stdout_file => $log_file,
-  redirect_before_fork => 0,
-  uid => $uid, gid => $gid,
-})->run;
-
-# the guts of this are borrowed from Plack::Loader::Restarter - many thanks!!
-my $child = 0;
-
-sub restarter {
-  my ($daemon, @program_args) = @_;
-  $0 = 'netdisco-daemon';
-
-  $child = fork_and_start($daemon, @program_args);
-  exit(1) unless $child;
-
-  my $watcher = Filesys::Notify::Simple->new([$ENV{DANCER_ENVDIR}, $log_dir]);
-  warn "config watcher: watching $ENV{DANCER_ENVDIR} for updates.\n";
-
-  local $SIG{TERM} = sub { $child = signal_child('TERM', $child); exit(0); };
-
-  while (1) {
-      my @restart;
-
-      # this is blocking
-      $watcher->wait(sub {
-          my @events = @_;
-          @events = grep {$_->{path} eq $log_file or
-                          file($_->{path})->basename eq $config} @events;
-          return unless @events;
-          @restart = @events;
-      });
-
-      my ($hupit, $rotate) = (0, 0);
-      next unless @restart;
-
-      foreach my $f (@restart) {
-          if ($f->{path} eq $log_file) {
-              ++$rotate;
-          }
-          else {
-              warn "-- $f->{path} updated.\n";
-              ++$hupit;
-          }
-      }
-
-      rotate_logs($child, $daemon, @program_args) if $rotate;
-      if ($hupit) {
-          signal_child('TERM', $child);
-          $child = fork_and_start($daemon, @program_args);
-          exit(1) unless $child;
-      }
-  }
-}
-
-sub fork_and_start {
-  my ($daemon, @daemon_args) = @_;
-  my $pid = fork;
-  die "Can't fork: $!" unless defined $pid;
-
-  if ($pid == 0) { # child
-      $daemon->redirect_filehandles;
-      exec( $netdisco->stringify, @daemon_args );
-  }
-  else {
-      return $pid;
-  }
-}
-
-sub signal_child {
-  my ($signal, $pid) = @_;
-  return unless $signal and $pid;
-  warn "config watcher: sending $signal to the server (pid:$pid)...\n";
-  kill $signal => $pid;
-  waitpid($pid, 0);
-}
-
-sub rotate_logs {
-  my $child = shift;
-
-  return unless (-f $log_file) and
-    ((-s $log_file) > (10 * 1024768));
-
-  my @files = glob file($log_dir, '*');
-  foreach my $f (reverse sort @files) {
-      next unless $f =~ m/$log_file\.(\d)$/;
-      my $pos = $1;
-      unlink $f if $pos == 7;
-      my $next = $pos + 1;
-      (my $newf = $f) =~ s/\.$pos$/.$next/;
-      rename $f, $newf;
-  }
-
-  # if the log file's about 10M then the race condition in copy/truncate
-  # has a low risk of data loss. if the file's larger, then we rename and
-  # kill.
-  if ((-s $log_file) > (12 * 1024768)) {
-      rename $log_file, $log_file .'.1';
-      signal_child('TERM', $child);
-      $child = fork_and_start(@_);
-      exit(1) unless $child;
-  }
-  else {
-      copy $log_file, $log_file .'.1';
-      truncate $log_file, 0;
-  }
-}
-
-=head1 NAME
-
-netdisco-daemon - Job Control Daemon for Netdisco
-
-=head1 SEE ALSO
-
-=over 4
-
-=item *
-
-L<App::Netdisco>
-
-=back
-
-=cut
+exec {$backend} 'netdisco-backend', @ARGV;
--- a/bin/netdisco-daemon-fg
+++ b/bin/netdisco-daemon-fg
@@ -3,107 +3,17 @@
 use strict;
 use warnings;

+use File::Spec;
+use Cwd 'realpath';
+
 use FindBin;
 FindBin::again();
-use Path::Class 'dir';

-# get a segfault if we load this later
-use if $^O eq 'linux', 'Sys::Proctitle';
+my $backend =
+  File::Spec->catfile(
+    (File::Spec->splitpath(
+      realpath(File::Spec->catfile( $FindBin::RealBin, $FindBin::RealScript ))
+    ))[1],
+  'netdisco-backend-fg');

-BEGIN {
-  # stuff useful locations into @INC
-  unshift @INC,
-    dir($FindBin::RealBin)->parent->subdir('lib')->stringify,
-    dir($FindBin::RealBin, 'lib')->stringify;
-
-  unshift @INC,
-    split m/:/, ($ENV{NETDISCO_INC} || '');
-}
-
-use App::Netdisco;
-use Dancer qw/:moose :script/;
-warning sprintf "App::Netdisco %s backend", ($App::Netdisco::VERSION || 'HEAD');
-
-use App::Netdisco::Util::Daemon;
-use NetAddr::IP::Lite ':lower'; # to quench AF_INET6 symbol errors
-use Role::Tiny::With;
-
-# preload all worker modules into shared memory
-use App::Netdisco::Daemon::Job ();
-use App::Netdisco::Daemon::Util ();
-use App::Netdisco::Daemon::Worker::Common ();
-use App::Netdisco::Daemon::Worker::Interactive::DeviceActions ();
-use App::Netdisco::Daemon::Worker::Interactive::PortActions ();
-use App::Netdisco::Daemon::Worker::Manager ();
-use App::Netdisco::Daemon::Worker::Poller::Arpnip ();
-use App::Netdisco::Daemon::Worker::Poller::Common ();
-use App::Netdisco::Daemon::Worker::Poller::Device ();
-use App::Netdisco::Daemon::Worker::Poller::Expiry ();
-use App::Netdisco::Daemon::Worker::Poller::Macsuck ();
-use App::Netdisco::Daemon::Worker::Poller::Nbtstat ();
-use App::Netdisco::Daemon::Worker::Poller ();
-use App::Netdisco::Daemon::Worker::Scheduler ();
-
-use MCE::Signal '-setpgrp';
-use MCE::Flow Sereal => 1;
-use MCE::Queue;
-
-# set temporary MCE files' location in home directory
-my $home = ($ENV{NETDISCO_HOME} || $ENV{HOME});
-my $tmp_dir = ($ENV{NETDISCO_TEMP} || dir($home, 'tmp'));
-mkdir $tmp_dir if ! -d $tmp_dir;
-
-# process-table text
-prctl 'netdisco-daemon: master';
-
-# shared local job queue
-my $queue = MCE::Queue->new;
-
-# support a scheduler-only node
-setting('workers')->{'no_manager'} = 1
-  if setting('workers')->{tasks} eq '0';
-
-# MCE::Util has a limit of ncpu if AUTO is used in max_workers,
-# so we parse the field ourselves.
-my $max_workers = parse_max_workers( setting('workers')->{tasks} ) || 0;
-
-mce_flow {
-  task_name => [qw/ scheduler manager poller /],
-  max_workers => [ 1, 1, $max_workers ],
-  tmp_dir => $tmp_dir,
-  on_post_exit => sub { MCE->restart_worker },
-}, _mk_wkr('Scheduler'), _mk_wkr('Manager'), _mk_wkr('Poller');
-
-sub _mk_wkr {
-  my $role = shift;
-  return sub {
-    my $self = shift;
-    $self->{queue} = $queue;
-
-    prctl sprintf 'netdisco-daemon: worker #%s %s: init', MCE->wid, lc($role);
-    info sprintf 'applying role %s to worker %s', $role, MCE->wid;
-
-    # post-fork, become manager, scheduler, poller, etc
-    Role::Tiny->apply_roles_to_object(
-      $self => "App::Netdisco::Daemon::Worker::$role");
-
-    $self->worker_begin if $self->can('worker_begin');
-    $self->worker_body;
-  };
-}
-
-=head1 NAME
-
-netdisco-daemon-fg - Job Control for Netdisco
-
-=head1 SEE ALSO
-
-=over 4
-
-=item *
-
-L<App::Netdisco>
-
-=back
-
-=cut
+exec {$backend} 'netdisco-backend-fg', @ARGV;
--- a/bin/netdisco-do
+++ b/bin/netdisco-do
@@ -35,7 +35,7 @@ BEGIN {

 # for netdisco app config
 use App::Netdisco;
-use App::Netdisco::Daemon::Job;
+use App::Netdisco::Backend::Job;
 use Dancer qw/:moose :script/;

 info "App::Netdisco version $App::Netdisco::VERSION loaded.";
@@ -104,13 +104,13 @@ unless ($action) {
  use App::Netdisco::Util::Device
    qw/get_device delete_device renumber_device/;

-  with 'App::Netdisco::Daemon::Worker::Poller::Device';
-  with 'App::Netdisco::Daemon::Worker::Poller::Arpnip';
-  with 'App::Netdisco::Daemon::Worker::Poller::Macsuck';
-  with 'App::Netdisco::Daemon::Worker::Poller::Nbtstat';
-  with 'App::Netdisco::Daemon::Worker::Poller::Expiry';
-  with 'App::Netdisco::Daemon::Worker::Interactive::DeviceActions';
-  with 'App::Netdisco::Daemon::Worker::Interactive::PortActions';
+  with 'App::Netdisco::Backend::Worker::Poller::Device';
+  with 'App::Netdisco::Backend::Worker::Poller::Arpnip';
+  with 'App::Netdisco::Backend::Worker::Poller::Macsuck';
+  with 'App::Netdisco::Backend::Worker::Poller::Nbtstat';
+  with 'App::Netdisco::Backend::Worker::Poller::Expiry';
+  with 'App::Netdisco::Backend::Worker::Interactive::DeviceActions';
+  with 'App::Netdisco::Backend::Worker::Interactive::PortActions';

  eval { Module::Load::load 'App::Netdisco::Util::Graph' };
  sub graph {
@@ -233,7 +233,7 @@ foreach my $host (@hostlist) {
    }

    # what job are we asked to do?
-    my $job = App::Netdisco::Daemon::Job->new({
+    my $job = App::Netdisco::Backend::Job->new({
      job => 0,
      action => $action,
      device => $dev,
--- a/lib/App/Netdisco.pm
+++ b/lib/App/Netdisco.pm
@@ -134,10 +134,10 @@ Link some of the newly installed apps into a handy location:
 ln -s ~/perl5/bin/{localenv,netdisco-*} ~/bin/

 Test the installation by running the following command, which should only
-produce a status message (it's just a test - you'll start the daemon properly,
-later on):
+produce a status message (it's just a test - you'll start the daemons
+properly, later on):

- ~/bin/netdisco-daemon status
+ ~/bin/netdisco-backend status

 =head1 Configuration

@@ -167,8 +167,8 @@ details.

 The database either needs configuring if new, or updating from the current
 release of Netdisco (1.x). You also need vendor MAC address prefixes (OUI
-data) and some MIBs if you want to run the daemon. The following script will
-take care of all this for you:
+data) and some MIBs if you want to run the backend daemon. The following
+script will take care of all this for you:

 ~/bin/netdisco-deploy

@@ -185,7 +185,7 @@ Run the following command to start the web-app server as a backgrounded daemon

 Run the following command to start the job control daemon (port control, etc):

- ~/bin/netdisco-daemon start
+ ~/bin/netdisco-backend start

 You should take care not to run this Netdisco daemon and the Netdisco 1.x
 daemon at the same time. Similarly, if you use the device discovery with
@@ -207,6 +207,7 @@ Notes|App::Netdisco::Manual::ReleaseNotes>. Then, the process is as follows:

 # upgrade Netdisco
 ~/bin/localenv cpanm --notest App::Netdisco
+ ln -s ~/perl5/bin/{localenv,netdisco-*} ~/bin/
 
 # apply database schema updates
 ~/bin/netdisco-deploy
@@ -215,7 +216,7 @@ Notes|App::Netdisco::Manual::ReleaseNotes>. Then, the process is as follows:
 ~/bin/netdisco-web restart
 
 # restart job daemon (if you use it)
- ~/bin/netdisco-daemon restart
+ ~/bin/netdisco-backend restart

 =head1 Tips and Tricks

--- a/lib/App/Netdisco/Backend/Job.pm
+++ b/lib/App/Netdisco/Backend/Job.pm
@@ -1,4 +1,4 @@
-package App::Netdisco::Daemon::Job;
+package App::Netdisco::Backend::Job;

 use Moo;
 use namespace::clean;
--- a/lib/App/Netdisco/Backend/Util.pm
+++ b/lib/App/Netdisco/Backend/Util.pm
@@ -1,9 +1,9 @@
-package App::Netdisco::Daemon::Util;
+package App::Netdisco::Backend::Util;

 use strict;
 use warnings;

-# support utilities for Daemon Actions
+# support utilities for Backend Actions

 use base 'Exporter';
 our @EXPORT = ();
--- a/lib/App/Netdisco/Backend/Worker/Common.pm
+++ b/lib/App/Netdisco/Backend/Worker/Common.pm
@@ -1,9 +1,9 @@
-package App::Netdisco::Daemon::Worker::Common;
+package App::Netdisco::Backend::Worker::Common;

 use Dancer qw/:moose :syntax :script/;

 use Try::Tiny;
-use App::Netdisco::Util::Daemon;
+use App::Netdisco::Util::Backend;

 use Role::Tiny;
 use namespace::clean;
@@ -18,7 +18,7 @@ sub worker_body {
  my $wid = $self->wid;

  while (1) {
-      prctl sprintf 'netdisco-daemon: worker #%s poller: idle', $wid;
+      prctl sprintf 'netdisco-backend: worker #%s poller: idle', $wid;

      my $job = $self->{queue}->dequeue(1);
      next unless defined $job;
@@ -26,7 +26,7 @@ sub worker_body {

      try {
          $job->started(scalar localtime);
-          prctl sprintf 'netdisco-daemon: worker #%s poller: working on #%s: %s',
+          prctl sprintf 'netdisco-backend: worker #%s poller: working on #%s: %s',
            $wid, $job->job, $job->summary;
          info sprintf "pol (%s): starting %s job(%s) at %s",
            $wid, $action, $job->job, $job->started;
@@ -50,7 +50,7 @@ sub close_job {
  my ($self, $job) = @_;
  my $now  = scalar localtime;

-  prctl sprintf 'netdisco-daemon: worker #%s poller: wrapping up %s #%s: %s',
+  prctl sprintf 'netdisco-backend: worker #%s poller: wrapping up %s #%s: %s',
    $self->wid, $job->action, $job->job, $job->status;
  info sprintf "pol (%s): wrapping up %s job(%s) - status %s at %s",
    $self->wid, $job->action, $job->job, $job->status, $now;
--- a/lib/App/Netdisco/Backend/Worker/Interactive/DeviceActions.pm
+++ b/lib/App/Netdisco/Backend/Worker/Interactive/DeviceActions.pm
@@ -1,8 +1,8 @@
-package App::Netdisco::Daemon::Worker::Interactive::DeviceActions;
+package App::Netdisco::Backend::Worker::Interactive::DeviceActions;

 use App::Netdisco::Util::SNMP 'snmp_connect_rw';
 use App::Netdisco::Util::Device 'get_device';
-use App::Netdisco::Daemon::Util ':all';
+use App::Netdisco::Backend::Util ':all';

 use Role::Tiny;
 use namespace::clean;
--- a/lib/App/Netdisco/Backend/Worker/Interactive/PortActions.pm
+++ b/lib/App/Netdisco/Backend/Worker/Interactive/PortActions.pm
@@ -1,9 +1,9 @@
-package App::Netdisco::Daemon::Worker::Interactive::PortActions;
+package App::Netdisco::Backend::Worker::Interactive::PortActions;

 use App::Netdisco::Util::Port ':all';
 use App::Netdisco::Util::SNMP 'snmp_connect_rw';
 use App::Netdisco::Util::Device 'get_device';
-use App::Netdisco::Daemon::Util ':all';
+use App::Netdisco::Backend::Util ':all';

 use Role::Tiny;
 use namespace::clean;
--- a/lib/App/Netdisco/Backend/Worker/Manager.pm
+++ b/lib/App/Netdisco/Backend/Worker/Manager.pm
@@ -1,9 +1,9 @@
-package App::Netdisco::Daemon::Worker::Manager;
+package App::Netdisco::Backend::Worker::Manager;

 use Dancer qw/:moose :syntax :script/;

 use List::Util 'sum';
-use App::Netdisco::Util::Daemon;
+use App::Netdisco::Util::Backend;

 use Role::Tiny;
 use namespace::clean;
@@ -35,12 +35,12 @@ sub worker_body {
  my $wid = $self->wid;

  if (setting('workers')->{'no_manager'}) {
-      prctl sprintf 'netdisco-daemon: worker #%s manager: inactive', $wid;
+      prctl sprintf 'netdisco-backend: worker #%s manager: inactive', $wid;
      return debug "mgr ($wid): no need for manager... quitting"
  }

  while (1) {
-      prctl sprintf 'netdisco-daemon: worker #%s manager: gathering', $wid;
+      prctl sprintf 'netdisco-backend: worker #%s manager: gathering', $wid;
      my $num_slots = 0;

      $num_slots = parse_max_workers( setting('workers')->{tasks} )
@@ -78,7 +78,7 @@ sub worker_body {
      }

      debug "mgr ($wid): sleeping now...";
-      prctl sprintf 'netdisco-daemon: worker #%s manager: idle', $wid;
+      prctl sprintf 'netdisco-backend: worker #%s manager: idle', $wid;
      sleep( setting('workers')->{sleep_time} || 1 );
  }
 }
--- a/lib/App/Netdisco/Backend/Worker/Poller.pm
+++ b/lib/App/Netdisco/Backend/Worker/Poller.pm
@@ -0,0 +1,18 @@
+package App::Netdisco::Backend::Worker::Poller;
+
+use Role::Tiny;
+use namespace::clean;
+
+# main worker body
+with 'App::Netdisco::Backend::Worker::Common';
+
+# add dispatch methods for poller tasks
+with 'App::Netdisco::Backend::Worker::Poller::Device',
+     'App::Netdisco::Backend::Worker::Poller::Arpnip',
+     'App::Netdisco::Backend::Worker::Poller::Macsuck',
+     'App::Netdisco::Backend::Worker::Poller::Nbtstat',
+     'App::Netdisco::Backend::Worker::Poller::Expiry',
+     'App::Netdisco::Backend::Worker::Interactive::DeviceActions',
+     'App::Netdisco::Backend::Worker::Interactive::PortActions';
+
+1;
--- a/lib/App/Netdisco/Backend/Worker/Poller/Arpnip.pm
+++ b/lib/App/Netdisco/Backend/Worker/Poller/Arpnip.pm
@@ -1,4 +1,4 @@
-package App::Netdisco::Daemon::Worker::Poller::Arpnip;
+package App::Netdisco::Backend::Worker::Poller::Arpnip;

 use App::Netdisco::Core::Arpnip 'do_arpnip';
 use App::Netdisco::Util::Device 'is_arpnipable';
@@ -6,7 +6,7 @@ use App::Netdisco::Util::Device 'is_arpnipable';
 use Role::Tiny;
 use namespace::clean;

-with 'App::Netdisco::Daemon::Worker::Poller::Common';
+with 'App::Netdisco::Backend::Worker::Poller::Common';

 sub arpnip_action { \&do_arpnip }
 sub arpnip_filter { \&is_arpnipable }
--- a/lib/App/Netdisco/Backend/Worker/Poller/Common.pm
+++ b/lib/App/Netdisco/Backend/Worker/Poller/Common.pm
@@ -1,10 +1,10 @@
-package App::Netdisco::Daemon::Worker::Poller::Common;
+package App::Netdisco::Backend::Worker::Poller::Common;

 use Dancer qw/:moose :syntax :script/;

 use App::Netdisco::Util::SNMP 'snmp_connect';
 use App::Netdisco::Util::Device 'get_device';
-use App::Netdisco::Daemon::Util ':all';
+use App::Netdisco::Backend::Util ':all';
 use App::Netdisco::JobQueue qw/jq_queued jq_insert/;

 use Dancer::Plugin::DBIC 'schema';
--- a/lib/App/Netdisco/Backend/Worker/Poller/Device.pm
+++ b/lib/App/Netdisco/Backend/Worker/Poller/Device.pm
@@ -1,11 +1,11 @@
-package App::Netdisco::Daemon::Worker::Poller::Device;
+package App::Netdisco::Backend::Worker::Poller::Device;

 use Dancer qw/:moose :syntax :script/;

 use App::Netdisco::Util::SNMP 'snmp_connect';
 use App::Netdisco::Util::Device qw/get_device is_discoverable/;
 use App::Netdisco::Core::Discover ':all';
-use App::Netdisco::Daemon::Util ':all';
+use App::Netdisco::Backend::Util ':all';
 use App::Netdisco::JobQueue qw/jq_queued jq_insert/;

 use Dancer::Plugin::DBIC 'schema';
--- a/lib/App/Netdisco/Backend/Worker/Poller/Expiry.pm
+++ b/lib/App/Netdisco/Backend/Worker/Poller/Expiry.pm
@@ -1,9 +1,9 @@
-package App::Netdisco::Daemon::Worker::Poller::Expiry;
+package App::Netdisco::Backend::Worker::Poller::Expiry;

 use Dancer qw/:moose :syntax :script/;
 use Dancer::Plugin::DBIC 'schema';

-use App::Netdisco::Daemon::Util ':all';
+use App::Netdisco::Backend::Util ':all';

 use Role::Tiny;
 use namespace::clean;
--- a/lib/App/Netdisco/Backend/Worker/Poller/Macsuck.pm
+++ b/lib/App/Netdisco/Backend/Worker/Poller/Macsuck.pm
@@ -1,4 +1,4 @@
-package App::Netdisco::Daemon::Worker::Poller::Macsuck;
+package App::Netdisco::Backend::Worker::Poller::Macsuck;

 use App::Netdisco::Core::Macsuck 'do_macsuck';
 use App::Netdisco::Util::Device 'is_macsuckable';
@@ -6,7 +6,7 @@ use App::Netdisco::Util::Device 'is_macsuckable';
 use Role::Tiny;
 use namespace::clean;

-with 'App::Netdisco::Daemon::Worker::Poller::Common';
+with 'App::Netdisco::Backend::Worker::Poller::Common';

 sub macsuck_action { \&do_macsuck }
 sub macsuck_filter { \&is_macsuckable }
--- a/lib/App/Netdisco/Backend/Worker/Poller/Nbtstat.pm
+++ b/lib/App/Netdisco/Backend/Worker/Poller/Nbtstat.pm
@@ -1,4 +1,4 @@
-package App::Netdisco::Daemon::Worker::Poller::Nbtstat;
+package App::Netdisco::Backend::Worker::Poller::Nbtstat;

 use Dancer qw/:moose :syntax :script/;
 use Dancer::Plugin::DBIC 'schema';
@@ -6,7 +6,7 @@ use Dancer::Plugin::DBIC 'schema';
 use App::Netdisco::Core::Nbtstat qw/nbtstat_resolve_async store_nbt/;
 use App::Netdisco::Util::Node 'is_nbtstatable';
 use App::Netdisco::Util::Device qw/get_device is_discoverable/;
-use App::Netdisco::Daemon::Util ':all';
+use App::Netdisco::Backend::Util ':all';

 use NetAddr::IP::Lite ':lower';
 use Time::HiRes 'gettimeofday';
@@ -14,7 +14,7 @@ use Time::HiRes 'gettimeofday';
 use Role::Tiny;
 use namespace::clean;

-with 'App::Netdisco::Daemon::Worker::Poller::Common';
+with 'App::Netdisco::Backend::Worker::Poller::Common';

 sub nbtstat_action { \&do_nbtstat }
 sub nbtstat_filter { \&is_nbtstatable }
--- a/lib/App/Netdisco/Backend/Worker/Scheduler.pm
+++ b/lib/App/Netdisco/Backend/Worker/Scheduler.pm
@@ -1,9 +1,9 @@
-package App::Netdisco::Daemon::Worker::Scheduler;
+package App::Netdisco::Backend::Worker::Scheduler;

 use Dancer qw/:moose :syntax :script/;

 use Algorithm::Cron;
-use App::Netdisco::Util::Daemon;
+use App::Netdisco::Util::Backend;

 use Role::Tiny;
 use namespace::clean;
@@ -39,7 +39,7 @@ sub worker_body {
  my $wid = $self->wid;

  unless (setting('schedule')) {
-      prctl sprintf 'netdisco-daemon: worker #%s scheduler: inactive', $wid;
+      prctl sprintf 'netdisco-backend: worker #%s scheduler: inactive', $wid;
      return debug "sch ($wid): no need for scheduler... quitting"
  }

@@ -47,11 +47,11 @@ sub worker_body {
      # sleep until some point in the next minute
      my $naptime = 60 - (time % 60) + int(rand(45));

-      prctl sprintf 'netdisco-daemon: worker #%s scheduler: idle', $wid;
+      prctl sprintf 'netdisco-backend: worker #%s scheduler: idle', $wid;
      debug "sched ($wid): sleeping for $naptime seconds";

      sleep $naptime;
-      prctl sprintf 'netdisco-daemon: worker #%s scheduler: queueing', $wid;
+      prctl sprintf 'netdisco-backend: worker #%s scheduler: queueing', $wid;

      # NB next_time() returns the next *after* win_start
      my $win_start = time - (time % 60) - 1;
--- a/lib/App/Netdisco/Daemon/Worker/Poller.pm
+++ b/lib/App/Netdisco/Daemon/Worker/Poller.pm
@@ -1,18 +0,0 @@
-package App::Netdisco::Daemon::Worker::Poller;
-
-use Role::Tiny;
-use namespace::clean;
-
-# main worker body
-with 'App::Netdisco::Daemon::Worker::Common';
-
-# add dispatch methods for poller tasks
-with 'App::Netdisco::Daemon::Worker::Poller::Device',
-     'App::Netdisco::Daemon::Worker::Poller::Arpnip',
-     'App::Netdisco::Daemon::Worker::Poller::Macsuck',
-     'App::Netdisco::Daemon::Worker::Poller::Nbtstat',
-     'App::Netdisco::Daemon::Worker::Poller::Expiry',
-     'App::Netdisco::Daemon::Worker::Interactive::DeviceActions',
-     'App::Netdisco::Daemon::Worker::Interactive::PortActions';
-
-1;
--- a/lib/App/Netdisco/JobQueue/PostgreSQL.pm
+++ b/lib/App/Netdisco/JobQueue/PostgreSQL.pm
@@ -3,7 +3,7 @@ package App::Netdisco::JobQueue::PostgreSQL;
 use Dancer qw/:moose :syntax :script/;
 use Dancer::Plugin::DBIC 'schema';

-use App::Netdisco::Daemon::Job;
+use App::Netdisco::Backend::Job;
 use Net::Domain 'hostfqdn';
 use Module::Load ();
 use Try::Tiny;
@@ -38,7 +38,7 @@ sub _getsome {

  my @returned = ();
  while (my $job = $rs->next) {
-      push @returned, App::Netdisco::Daemon::Job->new({ $job->get_columns });
+      push @returned, App::Netdisco::Backend::Job->new({ $job->get_columns });
  }
  return @returned;
 }
@@ -68,7 +68,7 @@ sub jq_locked {
    ->search({status => "queued-$fqdn"});

  while (my $job = $rs->next) {
-      push @returned, App::Netdisco::Daemon::Job->new({ $job->get_columns });
+      push @returned, App::Netdisco::Backend::Job->new({ $job->get_columns });
  }
  return @returned;
 }
--- a/lib/App/Netdisco/Manual/Deployment.pod
+++ b/lib/App/Netdisco/Manual/Deployment.pod
@@ -7,7 +7,7 @@ App::Netdisco::Manual::Deployment - Tips and Tricks for Deployment
 The Netdisco applications will generate RC scripts suitable for Linux systems:

 bin/netdisco-web get_init_file
- bin/netdisco-daemon get_init_file
+ bin/netdisco-backend get_init_file

 On C<systemd>-based systems please see L<our systemd
 guide|App::Netdisco::Manual::Systemd>.
--- a/lib/App/Netdisco/Manual/Developing.pod
+++ b/lib/App/Netdisco/Manual/Developing.pod
@@ -51,14 +51,14 @@ directory
 You might also want to set C<check_userlog> to C<false> in your config to
 quieten some of the web client callbacks.

-For the daemon, it's very similar:
+For the backend daemon, it's very similar:

- DBIC_TRACE=1 ~/bin/localenv bin/netdisco-daemon-fg
+ DBIC_TRACE=1 ~/bin/localenv bin/netdisco-backend-fg

 You can point at a different database without editing C<deployment.yml>:

 NETDISCO_DBNAME=testdb DBIC_TRACE=1 ~/bin/localenv plackup -R share,lib -p 5001 bin/netdisco-web-fg
- NETDISCO_DBNAME=testdb DBIC_TRACE=1 ~/bin/localenv bin/netdisco-daemon-fg
+ NETDISCO_DBNAME=testdb DBIC_TRACE=1 ~/bin/localenv bin/netdisco-backend-fg

 It's recommended to delete the "C<~/perl5/lib/perl5/App/Netdisco>"
 directory to avoid accidentally picking up old Netdisco code. For working on
@@ -398,7 +398,7 @@ database connection management features mentioned above.

 The job daemon is backwards compatible with the old Netdisco database job
 requests table. All code for the job daemon lives under the
-L<App::Netdisco::Daemon> namespace and like the rest of Netdisco is broken
+L<App::Netdisco::Backend> namespace and like the rest of Netdisco is broken
 down into manageable chunks.

 =head2 Running the Job Daemon
@@ -407,10 +407,10 @@ Like the web application, the job daemon is fully self contained and runs via
 two simple scripts shipped with the distribution - one for foreground and one
 for background execution (see the user docs for instructions).

-The C<netdisco-daemon> script uses L<Daemon::Control> to daemonize so you can
+The C<netdisco-backend> script uses L<Daemon::Control> to daemonize so you can
 fire-and-forget the Netdisco job daemon without much trouble at all. This
-script in turn calls C<netdisco-daemon-fg> which is the real application, that
-runs in the foreground if called on its own.
+script in turn calls C<netdisco-backend-fg> which is the real application,
+that runs in the foreground if called on its own.

 =head2 Daemon Engineering

--- a/lib/App/Netdisco/Manual/ReleaseNotes.pod
+++ b/lib/App/Netdisco/Manual/ReleaseNotes.pod
@@ -35,6 +35,22 @@ deploy script for App::Netdisco will make some schema changes to the database,
 but they are backwards compatible.

 =back
+=head1 2.036000
+
+=head2 Health Advice
+
+In this release the apps C<netdisco-daemon> and C<netdisco-daemon-fg> have
+been renamed to C<netdisco-backend> and C<netdisco-backend-fg> respectively.
+
+This better reflects the function of the two programs. If you still have
+scripts using C<netdisco-daemon> or C<netdisco-daemon-fg> commands, they
+should continue to work, as these apps still exist and simply exec() to the
+new scripts on start.
+
+However, it would be best if you replace any custom management config to
+point to the new app names, going forward. Remember to do this on upgrade:
+
+ ln -s ~/perl5/bin/{localenv,netdisco-*} ~/bin/

 =head1 2.035007

--- a/lib/App/Netdisco/Manual/Systemd.pod
+++ b/lib/App/Netdisco/Manual/Systemd.pod
@@ -10,21 +10,21 @@ instructions apply to your local installation and use at your own risk.

 =head1 Files

-=head2 C<< /etc/systemd/system/netdisco-daemon.service >>
+=head2 C<< /etc/systemd/system/netdisco-backend.service >>

 This should be set mode 644 and owned by user and group C<root>.

  [Unit]
-  Description=Netdisco Daemon Service
-  AssertFileIsExecutable=/home/netdisco/bin/netdisco-daemon
+  Description=Netdisco Backend Service
+  AssertFileIsExecutable=/home/netdisco/bin/netdisco-backend
  After=syslog.target network-online.target
  
  [Service]
  Type=forking
  User=netdisco
  Group=netdisco
-  ExecStart=/home/netdisco/bin/netdisco-daemon start
-  ExecStop=/home/netdisco/bin/netdisco-daemon stop
+  ExecStart=/home/netdisco/bin/netdisco-backend start
+  ExecStop=/home/netdisco/bin/netdisco-backend stop
  Restart=on-failure
  RestartSec=60
  
@@ -38,7 +38,7 @@ This should be set mode 644 and owned by user and group C<root>.
  [Unit]
  Description=Netdisco Web Service
  AssertFileIsExecutable=/home/netdisco/bin/netdisco-web
-  After=syslog.target network-online.target netdisco-daemon.service
+  After=syslog.target network-online.target netdisco-backend.service
  
  [Service]
  Type=forking
@@ -56,15 +56,15 @@ This should be set mode 644 and owned by user and group C<root>.

 To enable Netdisco in systemd:

- systemctl enable netdisco-daemon.service
+ systemctl enable netdisco-backend.service
 systemctl enable netdisco-web.service

 To start Netdisco:

- systemctl start netdisco-daemon.service
+ systemctl start netdisco-backend.service
 systemctl start netdisco-web.service

-May also need to run C<systemctl daemon-reload> depending on the order you do
-these steps.
+May also need to run C<systemctl netdisco-backend reload> depending on the
+order you do these steps.

 =cut
--- a/lib/App/Netdisco/Util/Backend.pm
+++ b/lib/App/Netdisco/Util/Backend.pm
@@ -1,4 +1,4 @@
-package App::Netdisco::Util::Daemon;
+package App::Netdisco::Util::Backend;

 use strict;
 use warnings;
--- a/share/config.yml
+++ b/share/config.yml
@@ -1,4 +1,4 @@
-# This is the main configuration file for Netdisco web and daemon apps
+# This is the main configuration file for Netdisco web and backend apps
 #
 #    DO NOT EDIT THIS FILE
 #
--- a/share/environments/deployment.yml
+++ b/share/environments/deployment.yml
@@ -64,7 +64,7 @@ discover_no_type:
  - '(?i)phone'
  - '(?i)(?:wap|wireless)'

-# number of SNMP workers to run in parallel (in netdisco-daemon).
+# number of SNMP workers to run in parallel (in netdisco-backend).
 # the default is twice the number of CPU cores. increase this if
 # your system has few cores and the schedule is taking too long.
 # ```````````````````````````````````````````````````````````````