Add one-shot jobsets

There are jobsets that are evaluated only once, that is, after they've
been evaluated, they're disabled automatically.  This is primarily
useful for doing releases: for instance, doing an evaluation with
"officialRelease" set to "true" should be done only once.

src/lib/Hydra/Controller/Job.pm

@@ -31,11 +31,7 @@ sub overview : Chained('job') PathPart('') Args(0) {
     $c->stash->{queuedBuilds} = [
         $job->builds->search(
             { finished => 0 },
-            { join => ['project']
-            , order_by => ["priority DESC", "id"]
-            , '+select' => ['project.enabled']
-            , '+as' => ['enabled']
-            }
+            { order_by => ["priority DESC", "id"] }
         ) ];
 
     # If this is an aggregate job, then get its constituents.

src/lib/Hydra/Controller/Jobset.pm

@@ -197,14 +197,15 @@ sub updateJobset {
 
     my ($nixExprPath, $nixExprInput) = nixExprPathFromParams $c;
 
-    my $enabled = defined $c->stash->{params}->{enabled};
+    my $enabled = int($c->stash->{params}->{enabled});
+    die if $enabled < 0 || $enabled > 2;
 
     $jobset->update(
         { name => $jobsetName
         , description => trim($c->stash->{params}->{"description"})
         , nixexprpath => $nixExprPath
         , nixexprinput => $nixExprInput
-        , enabled => $enabled ? 1 : 0
+        , enabled => $enabled
         , enableemail => defined $c->stash->{params}->{enableemail} ? 1 : 0
         , emailoverride => trim($c->stash->{params}->{emailoverride}) || ""
         , hidden => defined $c->stash->{params}->{visible} ? 0 : 1

src/lib/Hydra/Controller/Root.pm

@@ -74,7 +74,7 @@ sub queue_GET {
     $self->status_ok(
         $c,
         entity => [$c->model('DB::Builds')->search(
-            {finished => 0}, { join => ['project'], order_by => ["priority DESC", "id"], columns => [@buildListColumns], '+select' => ['project.enabled'], '+as' => ['enabled'] })]
+            {finished => 0}, { order_by => ["priority DESC", "id"], columns => [@buildListColumns] })]
     );
 }
 

src/lib/Hydra/Helper/Nix.pm

@@ -540,7 +540,7 @@ sub grab {
 sub getTotalShares {
     my ($db) = @_;
     return $db->resultset('Jobsets')->search(
-        { 'project.enabled' => 1, 'me.enabled' => 1 },
+        { 'project.enabled' => 1, 'me.enabled' => { '!=' => 0 } },
         { join => 'project', select => { sum => 'schedulingshares' }, as => 'sum' })->single->get_column('sum');
 }
 

src/root/edit-jobset.tt

@@ -49,11 +49,18 @@
   <fieldset>
 
     <div class="control-group">
+      <label class="control-label">State</label>
       <div class="controls">
-        <label class="checkbox">
-          <input type="checkbox" name="enabled" [% IF jobset.enabled; 'checked="checked"'; END %]/>Enabled
-        </label>
+        <div class="btn-group" data-toggle="buttons-radio">
+          <input type="hidden" name="enabled" value="[% jobset.enabled %]" />
+          <button type="button" class="btn" value="1">Enabled</button>
+          <button type="button" class="btn" value="2">One-shot</button>
+          <button type="button" class="btn" value="0">Disabled</button>
+        </div>
       </div>
+    </div>
+
+    <div class="control-group">
       <div class="controls">
         <label class="checkbox">
           <input type="checkbox" name="visible" [% IF !jobset.hidden; 'checked="checked"'; END %]/>Visible

src/root/jobset.tt

@@ -116,6 +116,10 @@
   <div id="tabs-configuration" class="tab-pane">
 
     <table class="info-table">
+      <tr>
+        <th>State:</th>
+        <td>[% IF jobset.enabled == 0; "Disabled"; ELSIF jobset.enabled == 1; "Enabled"; ELSIF jobset.enabled == 2; "One-shot"; END %]</td>
+      </tr>
       <tr>
         <th>Description:</th>
         <td>[% HTML.escape(jobset.description) %]</td>
@@ -127,10 +131,6 @@
           <tt>[% HTML.escape(jobset.nixexprinput) %]</tt>
         </td>
       </tr>
-      <tr>
-        <th>Enabled:</th>
-        <td>[% jobset.enabled ? "Yes" : "No" %]</td>
-      </tr>
       <tr>
         <th>Check interval:</th>
         <td>[% jobset.checkinterval || "<em>disabled</em>"  %]</td>

src/root/static/js/common.js

@@ -69,7 +69,17 @@ $(document).ready(function() {
             var id = e.target.toString().match(pattern)[0];
             history.replaceState(null, "", id);
         });
-    })
+    });
+
+    /* Automatically set Bootstrap radio buttons from hidden form controls. */
+    $('div[data-toggle="buttons-radio"] input[type="hidden"]').map(function(){
+        $('button[value="' + $(this).val() + '"]', $(this).parent()).addClass('active');
+    });
+
+    /* Automatically update hidden form controls from Bootstrap radio buttons. */
+    $('div[data-toggle="buttons-radio"] .btn').click(function(){
+        $('input', $(this).parent()).val($(this).val());
+    });
 });
 
 var tabsLoaded = {};

src/script/hydra-evaluator

@@ -246,6 +246,9 @@ sub checkJobsetWrapped {
             print STDERR "  created cached eval ", $ev->id, "\n";
             $prevEval->builds->update({iscurrent => 1}) if defined $prevEval;
         }
+
+        # If this is a one-shot jobset, disable it now.
+        $jobset->update({ enabled => 0 }) if $jobset->enabled == 2;
     });
 
     # Store the error messages for jobs that failed to evaluate.
@@ -305,7 +308,7 @@ sub checkSomeJobset {
     # longest time (but don't check more often than the jobset's
     # minimal check interval).
     ($jobset) = $db->resultset('Jobsets')->search(
-        { 'project.enabled' => 1, 'me.enabled' => 1,
+        { 'project.enabled' => 1, 'me.enabled' => { '!=' => 0 },
         , 'checkinterval' => { '!=', 0 }
         , -or => [ 'lastcheckedtime' => undef, 'lastcheckedtime' => { '<', \ (time() . " - me.checkinterval") } ] },
         { join => 'project', order_by => [ 'lastcheckedtime nulls first' ], rows => 1 })

src/sql/hydra.sql

@@ -55,7 +55,7 @@ create table Jobsets (
     errorTime     integer, -- timestamp associated with errorMsg
     lastCheckedTime integer, -- last time the evaluator looked at this jobset
     triggerTime   integer, -- set if we were triggered by a push event
-    enabled       integer not null default 1,
+    enabled       integer not null default 1, -- 0 = disabled, 1 = enabled, 2 = one-shot
     enableEmail   integer not null default 1,
     hidden        integer not null default 0,
     emailOverride text not null,