builders/runconfig: Add ability to skip targets if the don't exist in the branch configuration

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

builders.py

@@ -2,7 +2,7 @@ from buildbot.plugins import *
 
 from yoctoabb import config
 from yoctoabb.steps.writelayerinfo import WriteLayerInfo
-from yoctoabb.steps.runconfig import get_publish_dest, get_publish_resultdir, get_publish_name, RunConfigCheckSteps
+from yoctoabb.steps.runconfig import get_publish_dest, get_publish_resultdir, get_publish_name, RunConfigCheckSteps, TargetPresent
 from buildbot.process.results import Results, SUCCESS, FAILURE, CANCELLED, WARNINGS, SKIPPED, EXCEPTION, RETRY
 
 from twisted.python import log
@@ -53,6 +53,7 @@ def create_builder_factory():
         mode='incremental',
         haltOnFailure=True,
         name='Fetch yocto-autobuilder-helper'))
+    f.addStep(TargetPresent())
     f.addStep(steps.SetProperties(properties=ensure_props_set))
     f.addStep(WriteLayerInfo(name='Write main layerinfo.json', haltOnFailure=True))
     f.addStep(steps.ShellCommand(

steps/runconfig.py

@@ -201,3 +201,17 @@ class RunConfigCheckSteps(shell.ShellCommand):
         except KeyError:
             log = yield self.addLog(logName)
         log.addStdout(message)
+
+class TargetPresent(shell.ShellCommand):
+    name = "Check if branch needs this target"
+    command=[util.Interpolate("%(prop:builddir)s/yocto-autobuilder-helper/scripts/target-present"), util.Property("buildername")]
+
+    def evaluateCommand(self, cmd):
+        # If the command fails, fall back to old style run-config execution
+        rc = super().evaluateCommand(cmd)
+        if rc != SUCCESS:
+            self.finished(SKIPPED)
+            self.build.results = SKIPPED
+            self.descriptionDone = "Target not present in branch configuration"
+            self.build.buildFinished(["Target not present in branch configuration"], SKIPPED)
+        return SUCCESS