1 files changed, 10 insertions, 0 deletions
diff --git a/buildstream/_artifactcache/artifactcache.py b/buildstream/_artifactcache/artifactcache.py
index 2508e0b88..a7208e8f2 100644
--- a/buildstream/_artifactcache/artifactcache.py
+++ b/buildstream/_artifactcache/artifactcache.py
@@ -28,6 +28,7 @@ from ..exceptions import _ArtifactError
 from ..element import _KeyStrength
 from .._ostree import OSTreeError
 
+from .pushreceive import check_push_connection
 from .pushreceive import push as push_artifact
 from .pushreceive import PushException
 
@@ -67,6 +68,15 @@ class ArtifactCache():
 
         self.__offline = False
 
+    def preflight(self):
+        if self.can_push() and not self.context.artifact_push.startswith("/"):
+            try:
+                check_push_connection(self.context.artifact_push,
+                                      self.context.artifact_push_port)
+            except PushException as e:
+                raise _ArtifactError("BuildStream will be unable to push artifacts "
+                                     "to the shared cache: {}".format(e))
+
     # contains():
     #
     # Check whether the artifact for the specified Element is already available