pass CTF_API_SOCK to s2i

Signed-off-by: Jonathan Dowland <jdowland@redhat.com>

Author: jmtd

steps/s2i_steps.py

@@ -40,11 +40,15 @@ def s2i_inner(context, application, path='.', env="", incremental=False, tag="ma
     assemble_user = labels.get("io.openshift.s2i.assemble-user", False)
     scripts_url = labels.get("io.openshift.s2i.scripts-url", False)
 
+    docker_url = os.environ.get("CTF_API_SOCK", 'unix://var/run/docker.sock')
+
     with tempfile.TemporaryDirectory(prefix="behave-test-steps.") as workdir:
         dockerfile = os.path.join(workdir, "Dockerfile")
 
         # Perform S2I Dockerfile/source generation
-        command = f"""s2i build --loglevel=5 --pull-policy if-not-present\
+        command = f"""s2i \
+                --url {docker_url}\
+                build --loglevel=5 --pull-policy if-not-present\
                 {mirror}\
                 --context-dir={path}\
                 -r={tag}\