Downloader: request work path with space

microsoft/testsuites/dpdk/common.py

@@ -99,9 +99,10 @@ def download(self) -> PurePath:
         # NOTE: fail on exists is set to True.
         # The expectation is that the parent Installer class should
         # remove any lingering installations
+        work_path = self._node.get_working_path_with_required_space(5)
         self.asset_path = self._node.tools[Git].clone(
             self._git_repo,
-            cwd=self._node.get_working_path(),
+            cwd=self._node.get_pure_path(work_path),
             ref=self._git_ref,
             fail_on_exists=False,
         )
@@ -123,7 +124,9 @@ def __init__(
     # then extract it
     def download(self) -> PurePath:
         node = self._node
-        work_path = self._node.get_working_path()
+        work_path = self._node.get_pure_path(
+            self._node.get_working_path_with_required_space(5)
+        )
         is_tarball = False
         for suffix in [".tar.gz", ".tar.bz2", ".tar"]:
             if self._tar_url.endswith(suffix):
@@ -137,7 +140,9 @@ def download(self) -> PurePath:
         ).is_true()
         if self._is_remote_tarball:
             tarfile = node.tools[Wget].get(
-                self._tar_url, overwrite=False, file_path=str(node.get_working_path())
+                self._tar_url,
+                overwrite=False,
+                file_path=str(work_path),
             )
             remote_path = node.get_pure_path(tarfile)
             self.tar_filename = remote_path.name

microsoft/testsuites/dpdk/dpdktestpmd.py

@@ -267,17 +267,17 @@ def _install(self) -> None:
         self.dpdk_build_path = node.tools[Meson].setup(
             args=sample_apps, build_dir="build", cwd=self.asset_path
         )
-        node.tools[Ninja].run(
+        install_result = node.tools[Ninja].run(
             cwd=self.dpdk_build_path,
             shell=True,
             timeout=1800,
-            expected_exit_code=0,
-            expected_exit_code_failure_message=(
-                "ninja build for dpdk failed. check build spew for missing headers "
-                "or dependencies. Also check that this ninja version requirement "
-                "has not changed for dpdk."
-            ),
         )
+        # there are enough known installation failures to make
+        # raising each as a seperate useful message annoying.
+        # Also enough to make raising a single generic message useless.
+        # Use this function to parse and raise them.
+        _check_for_dpdk_build_errors(result=install_result)
+
         # using sudo and pip modules can get weird on some distros,
         # whether you install with pip3 --user or not.
         # to work around, add the user python path to sudo one
@@ -1007,3 +1007,25 @@ def _discard_first_and_last_sample(data: List[int]) -> List[int]:
 
 def _mean(data: List[int]) -> int:
     return sum(data) // len(data)
+
+
+def _check_for_dpdk_build_errors(result: ExecutableResult) -> None:
+    # check for common build errors and raise specific error messages for them
+    errors = [
+        # build unexpectedly ran out of space
+        "final link failed: No space left on device",
+        # elftools module not found (new OS version or package name change)
+        "Exception: elftools module not found",
+    ]
+    if result.exit_code == 0:
+        return
+    # check for known common issues
+    for error in errors:
+        if error in result.stdout:
+            fail(f"DPDK source build issue: {error}")
+    # otherwise, raise a generic error asking for triage
+    fail(
+        "ninja build for dpdk failed. check build spew for missing headers "
+        "or dependencies. Also check that this ninja version requirement "
+        "has not changed for dpdk."
+    )