212 lines
4.4 KiB
Perl
212 lines
4.4 KiB
Perl
package App::Netdisco::Backend::Job;
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use Dancer qw/:moose :syntax !error/;
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use aliased 'App::Netdisco::Worker::Status';
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use Moo;
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use namespace::clean;
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foreach my $slot (qw/
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job
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entered
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started
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finished
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device
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port
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action
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only_namespace
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subaction
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status
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username
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userip
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log
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device_key
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job_priority
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_current_phase
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_last_namespace
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_last_priority
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/) {
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has $slot => (
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is => 'rw',
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);
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}
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has '_statuslist' => (
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is => 'rw',
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default => sub { [] },
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);
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sub BUILD {
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my ($job, $args) = @_;
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if ($job->action =~ m/^(\w+)::(\w+)$/i) {
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$job->action($1);
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$job->only_namespace($2);
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}
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}
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=head1 METHODS
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=head2 display_name
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An attempt to make a meaningful written statement about the job.
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=cut
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sub display_name {
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my $job = shift;
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return join ' ',
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$job->action,
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($job->device || ''),
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($job->port || '');
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}
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=head2 finalise_status
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Find the best status and log it into the job's C<status> and C<log> slots.
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The process is to track back from the last worker and find the best status,
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which is C<done> in early or main phases, or else any status in any non-user
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phase.
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=cut
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sub finalise_status {
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my $job = shift;
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# use DDP; p $job->_statuslist;
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# fallback
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$job->status('error');
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$job->log('failed to report from any worker!');
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my $max_level = Status->error()->level;
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foreach my $status (reverse @{ $job->_statuslist }) {
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next if $status->phase
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and $status->phase !~ m/^(?:check|early|main)$/;
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# done() from check phase should not be the action's done()
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next if $status->phase eq 'check' and $status->is_ok;
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if ($status->level >= $max_level) {
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$job->status( $status->status );
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$job->log( $status->log );
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$max_level = $status->level;
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}
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}
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}
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=head2 check_passed
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Returns true if at least one worker during the C<check> phase flagged status
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C<done>.
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=cut
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sub check_passed {
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my $job = shift;
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return true if 0 == scalar @{ $job->_statuslist };
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foreach my $status (@{ $job->_statuslist }) {
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return true if
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(($status->phase eq 'check') and $status->is_ok);
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}
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return false;
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}
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=head2 namespace_passed( \%workerconf )
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Returns true when, for the namespace specified in the given configuration, a
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worker of a higher priority level has already succeeded.
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=cut
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sub namespace_passed {
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my ($job, $workerconf) = @_;
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if ($job->_last_namespace) {
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foreach my $status (@{ $job->_statuslist }) {
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next unless ($status->phase eq $workerconf->{phase})
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and ($workerconf->{namespace} eq $job->_last_namespace)
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and ($workerconf->{priority} < $job->_last_priority);
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return true if $status->is_ok;
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}
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}
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$job->_last_namespace( $workerconf->{namespace} );
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$job->_last_priority( $workerconf->{priority} );
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return false;
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}
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=head2 enter_phase( $phase )
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Pass the name of the phase being entered.
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=cut
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sub enter_phase {
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my ($job, $phase) = @_;
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$job->_current_phase( $phase );
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debug "=> running workers for phase: $phase";
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$job->_last_namespace( undef );
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$job->_last_priority( undef );
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}
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=head2 add_status
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Passed an L<App::Netdisco::Worker::Status> will add it to this job's internal
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status cache. Phase slot of the Status will be set to the current phase.
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=cut
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sub add_status {
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my ($job, $status) = @_;
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return unless ref $status eq 'App::Netdisco::Worker::Status';
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$status->phase( $job->_current_phase || '' );
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push @{ $job->_statuslist }, $status;
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debug $status->log if $status->log
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and (($status->phase eq 'check') or $status->not_ok);
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}
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=head1 ADDITIONAL COLUMNS
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Columns which exist in this class but are not in
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L<App::Netdisco::DB::Result::Admin> class.
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=head2 id
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Alias for the C<job> column.
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=cut
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sub id { (shift)->job }
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=head2 extra
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Alias for the C<subaction> column.
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=head2 only_namespace
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Action command from the user can be an action name or the action name plus one
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child namespace in the form: "C<action::child>". This slot stores the C<child>
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component of the command so that C<action> is backwards compatible with
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Netdisco.
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=head2 job_priority
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When selecting jobs from the database, some types of job are higher priority -
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usually those submitted in the web interface by a user, and those making
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changes (writing to) the device. This slot stores a number which is the
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priority of the job and is used by L<MCE> when managing its job queue.
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=cut
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sub extra { (shift)->subaction }
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true;
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