[backend] support buildtime source services

* skip them on service server
* add dependencies to build env

docs/api/api/obs.rng

@@ -85,6 +85,7 @@
       <value>trylocal</value>      <!-- try on local clients and merge result, but run also on server side -->
       <value>localonly</value>     <!-- never run on server side, but on the clients (not enforced) -->
       <value>serveronly</value>    <!-- run on server side, but not on the clients by default -->
+      <value>buildtime</value>     <!-- run during build time, pulls in services as build dependencies -->
       <value>disabled</value>      <!-- never run, except user explicit starts it locally -->
     </choice>
   </define>

src/api/test/fixtures/backend/source/buildtime_service_source/_service

@@ -0,0 +1,4 @@
+<services>
+  <service name="recompresserator" mode="buildtime">
+  </service>
+</services>

src/api/test/fixtures/backend/source/buildtime_service_source/pack.spec

@@ -0,0 +1,6 @@
+# Comment 
+Name: pack
+Version: 12
+Release: 9
+Summary: absolut basic spec file
+

src/api/test/functional/source_services_test.rb

@@ -3,6 +3,11 @@
 
 class SourceServicesTest < ActionDispatch::IntegrationTest 
   fixtures :all
+
+  def setup
+    super
+    wait_for_scheduler_start
+  end
 
   def test_get_servicelist
     get '/service'
@@ -84,7 +89,7 @@ def test_run_source_service
     login_tom
     raw_put '/source/home:tom/service/_meta', "<package project='home:tom' name='service'> <title /> <description /> </package>"
     assert_response :success
-    raw_put '/source/home:tom/service/pack.spec', "# Comment \nVersion: 12\nRelease: 9\nSummary: asd"
+    raw_put '/source/home:tom/service/pack.spec', "# Comment \nName: pack\nVersion: 12\nRelease: 9\nSummary: asd"
     assert_response :success
 
     raw_put '/source/home:tom/service/_service', '<services> <service name="not_existing" /> </services>'
@@ -241,6 +246,36 @@ def test_run_source_service
     assert_response 404
   end
 
+  def test_buildtime_service
+    login_Iggy
+    raw_put '/source/home:Iggy/service/_meta', "<package project='home:Iggy' name='service'> <title /> <description /> <build><enable/></build></package>"
+    assert_response :success
+    raw_put '/source/home:Iggy/service/pack.spec', "# Comment \nName: pack\nVersion: 12\nRelease: 9\nSummary: asd"
+    assert_response :success
+
+    wait_for_service( 'home:Iggy', 'service')
+    put '/source/home:Iggy/service/_service', '<services> <service name="set_version" mode="buildtime"> <param name="version">0817</param> <param name="file">pack.spec</param> </service> </services>'
+    assert_response :success
+    wait_for_service( 'home:Iggy', 'service')
+    run_scheduler('i586')
+    get '/build/home:Iggy/_result'
+    assert_response :success
+    assert_xml_tag :tag => "details", :content => "nothing provides obs-service-set_version"
+
+    # osc local package build call
+    get "/build/home:Iggy/10.2/i586/service/_buildinfo"
+    assert_response :success
+    assert_xml_tag :tag => "error", :content => "unresolvable: nothing provides obs-service-set_version"
+    # osc local package build call sending own spec and _service file
+    cpio=IO.popen("cd #{Rails.root}/test/fixtures/backend/source/buildtime_service_source/; exec ls -1 | cpio -H newc -o 2>/dev/null")
+    raw_post "/build/home:Iggy/10.2/i586/service/_buildinfo", cpio.sysread(1024*1024)
+    assert_response :success
+    assert_xml_tag :tag => "error", :content => "unresolvable: nothing provides obs-service-recompresserator"
+
+    delete '/source/home:Iggy/service'
+    assert_response :success
+  end
+
   def test_source_commit_with_service
     login_tom
     put '/source/home:tom/service/_meta', "<package project='home:tom' name='service'> <title /> <description /> </package>"

src/backend/bs_repserver

@@ -3244,13 +3244,15 @@ sub getbuildinfo_post {
     # should we check if the cpio archive contains <= 2 files?
     $depfile = (grep { $_->{'name'} eq 'deps' } @$uploaded)[0];
     $depfile = "$dir/$depfile->{'name'}" if $depfile;
+    my $servicefile = (grep { $_->{'name'} eq '_service' } @$uploaded)[0];
+    $servicefile = "$dir/$servicefile->{'name'}" if $servicefile;
     my $bifile = (grep { $_->{'name'} eq 'buildenv' } @$uploaded)[0];
     $bifile = "$dir/$bifile->{'name'}" if $bifile;
     $fn = (grep { $_->{'name'} ne "deps" && $_->{'name'} ne 'buildenv'} @$uploaded)[0];
     die("no build recipe file found\n") unless $fn;
     my @r;
     eval {
-      @r = getbuildinfo_post({ %$cgi, '_fn' => "$dir/$fn->{'name'}", '_depfile' => $depfile, '_buildenvfile' => $bifile, '_buildtype' => Build::recipe2buildtype($fn->{'name'})}, $projid, $repoid, $arch, $packid);
+      @r = getbuildinfo_post({ %$cgi, '_fn' => "$dir/$fn->{'name'}", '_depfile' => $depfile, '_buildenvfile' => $bifile, '_servicefile' => $servicefile, '_buildtype' => Build::recipe2buildtype($fn->{'name'})}, $projid, $repoid, $arch, $packid);
     };
     unlink("$dir/$_") for ls($dir);
     rmdir($dir) if -d $dir;
@@ -3286,6 +3288,13 @@ sub getbuildinfo_post {
   }
   my $pdata = {'buildtype' => $bconf->{'type'}, 'info' => [ $info ]};
   $pdata->{'buildenv'} = readxml($cgi->{'_buildenvfile'}, $BSXML::buildinfo) if $cgi->{'_buildenvfile'};
+  if ($cgi->{'_servicefile'}) {
+    my $services = readxml($cgi->{'_servicefile'}, $BSXML::services);
+    for my $service (@{$services->{'service'} || []}) {
+       next unless $service->{'mode'} && $service->{'mode'} eq "buildtime";
+       push @{$info->{'dep'}}, "obs-service-$service->{'name'}";
+     }
+  }
   $pdata->{'ldepfile'} = $depfile if defined $depfile;
   return getbuildinfo($cgi, $projid, $repoid, $arch, $packid, $pdata);
 }

src/backend/bs_service

@@ -144,7 +144,7 @@ sub run_source_update {
     my $serviceinfo = XMLin($BSXML::services, $infoxml);
     for my $service (@{$serviceinfo->{'service'}}) {
       BSVerify::verify_filename($service->{'name'});
-      if (defined($service->{'mode'}) && ($service->{'mode'} eq 'localonly' || $service->{'mode'} eq 'disabled')) {
+      if (defined($service->{'mode'}) && ($service->{'mode'} eq 'localonly' || $service->{'mode'} eq 'disabled' || $service->{'mode'} eq 'buildtime')) {
         print "Skip ".$service->{'name'}."\n";
         next;
       }

src/backend/bs_srcserver

@@ -3412,6 +3412,14 @@ sub getprojpack {
 	      my @prereqs = grep {!$deps{$_} && !/^%/} @{$d->{'prereqs'}};
 	      $rinfo->{'prereq'} = \@prereqs if @prereqs;
 	    }
+            # add all source services to be used at build time
+	    if ($files->{'_service'}) {
+              my $services = repreadxml($rev, '_service', $files->{'_service'}, $BSXML::services, 1);
+              for my $service (@{$services->{'service'} || []}) {
+                next unless $service->{'mode'} && $service->{'mode'} eq "buildtime";
+                push @{$rinfo->{'dep'}}, "obs-service-$service->{'name'}";
+              }
+            }
 	    # KIWI Products need local arch added if we have it defined on this server
 	    if ($type eq 'kiwi' && ($d->{'imagetype'}[0] || '') eq 'product' && $d->{'exclarch'}) {
 	      $rinfo->{'imagearch'} = [ @{$d->{'exclarch'}} ];