dpdk: build via devtools on RHEL<8.0.0

Signed-off-by: Pavel Boldin <pboldin@cloudlinux.com>

lisa/base_tools/mv.py

@@ -2,6 +2,7 @@
 # Licensed under the MIT license.
 
 from lisa.executable import Tool
+from typing import Union
 
 
 class Mv(Tool):
@@ -14,13 +15,15 @@ def can_install(self) -> bool:
         return False
 
     def move(
-        self, src_path: str, dest_path: str, overwrite: bool = False, sudo: bool = False
+        self, src_path: str, dest_path: str, overwrite: bool = False,
+        sudo: bool = False, ignore_error: bool = False
     ) -> None:
         args = "-f" if overwrite else ""
+        expected_exit_code = None if ignore_error else 0
         self.run(
             f"{args} {src_path} {dest_path}",
             sudo=sudo,
             shell=True,
             force_run=True,
-            expected_exit_code=0,
+            expected_exit_code=expected_exit_code,
         )

microsoft/testsuites/dpdk/dpdktestpmd.py

@@ -13,7 +13,7 @@
 from lisa.executable import ExecutableResult, Tool
 from lisa.features import Disk
 from lisa.nic import NicInfo
-from lisa.operating_system import Debian, Fedora, Suse, Ubuntu
+from lisa.operating_system import Debian, Fedora, Suse, Ubuntu, Redhat
 from lisa.tools import (
     Chmod,
     Dmesg,
@@ -531,7 +531,8 @@ def __init__(self, *args: Any, **kwargs: Any) -> None:
         )
 
         # if dpdk is already installed, find the binary and check the version
-        if self.find_testpmd_binary(assert_on_fail=False):
+        if self.find_testpmd_binary(assert_on_fail=False) or \
+           self.find_testpmd_binary(check_path='/usr/local/bin', assert_on_fail=False):
             pkgconfig = self.node.tools[Pkgconfig]
             if pkgconfig.package_info_exists(
                 self._dpdk_lib_name,
@@ -610,6 +611,29 @@ def _install(self) -> bool:
                 )
             )
 
+        if isinstance(node.os, Redhat) and node.os.information.version < "8.0.0":
+            node.os.install_packages(["centos-release-scl"])
+            devtoolset_version = 8
+            devtoolset_pkg = f"devtoolset-{devtoolset_version}"
+            node.os.install_packages([devtoolset_pkg])
+            links = {
+                    "gcc": ("gcc", "cc"),
+                    "g++": ("g++", "c++"),
+            }
+            for binary in [alias
+                         for aliases in links.values()
+                         for alias in aliases
+                    ]:
+                node.tools[Mv].move(f"/bin/{binary}", f"/bin/{binary}_back",
+                        overwrite=True, sudo=True, ignore_error=None)
+            devtoolset_binpath = f"/opt/rh/{devtoolset_pkg}/root/bin"
+            for binary, aliases in links.items():
+                for alias in aliases:
+                    result = node.execute(
+                        f"ln -s {devtoolset_binpath}/{binary} /bin/{alias}", sudo=True
+                    )
+                    result.assert_exit_code()
+
         # before doing anything: determine if backport repo needs to be enabled
         self._set_backport_repo_args()