kernel_source_installer: optional devtoolset for <3.10

Signed-off-by: Pavel Boldin <[email protected]>

Author: paboldin

lisa/transformers/kernel_source_installer.py

@@ -14,7 +14,7 @@
 from lisa.tools import Cp, Echo, Git, Make, Sed, Uname
 from lisa.tools.gcc import Gcc
 from lisa.tools.lscpu import Lscpu
-from lisa.util import LisaException, field_metadata, subclasses
+from lisa.util import LisaException, VersionInfo, field_metadata, subclasses, parse_version
 from lisa.util.logger import Logger, get_logger
 
 from .kernel_installer import BaseInstaller, BaseInstallerSchema
@@ -158,28 +158,39 @@ def install(self) -> str:
         # modify code
         self._modify_code(node=node, code_path=self._code_path)
 
+
+        result = node.execute(
+            "make kernelversion 2>/dev/null",
+            cwd=self._code_path,
+            shell=True,
+        )
+        result.assert_exit_code(
+            0,
+            f"failed on get kernel version: {result.stdout}",
+        )
+        kernel_version = parse_version(result.stdout)
+
         kconfig_file = runbook.kernel_config_file
         self._build_code(
-            node=node, code_path=self._code_path, kconfig_file=kconfig_file
+            node=node, code_path=self._code_path, kconfig_file=kconfig_file,
+            kernel_version=kernel_version
         )
-
         self._install_build(node=node, code_path=self._code_path)
 
         result = node.execute(
             "make kernelrelease 2>/dev/null",
             cwd=self._code_path,
             shell=True,
         )
-
-        kernel_version = result.stdout
         result.assert_exit_code(
             0,
-            f"failed on get kernel version: {kernel_version}",
+            f"failed on get kernel release: {result.stdout}",
         )
+        kernel_release = result.stdout
 
         # copy current config back to system folder.
         result = node.execute(
-            f"cp .config /boot/config-{kernel_version}",
+            f"cp .config /boot/config-{kernel_release}",
             cwd=self._code_path,
             sudo=True,
         )
@@ -227,7 +238,7 @@ def _modify_code(self, node: Node, code_path: PurePath) -> None:
             self._log.debug(f"modifying code by {modifier.type_name()}")
             modifier.modify()
 
-    def _build_code(self, node: Node, code_path: PurePath, kconfig_file: str) -> None:
+    def _build_code(self, node: Node, code_path: PurePath, kconfig_file: str, kernel_version: VersionInfo) -> None:
         self._log.info("building code...")
 
         uname = node.tools[Uname]
@@ -287,7 +298,8 @@ def _build_code(self, node: Node, code_path: PurePath, kconfig_file: str) -> Non
         result.assert_exit_code()
 
         # the gcc version of Redhat 7.x is too old. Upgrade it.
-        if isinstance(node.os, Redhat) and node.os.information.version < "8.0.0":
+        if kernel_version > "3.10.0" and isinstance(node.os, Redhat) and node.os.information.version < "8.0.0":
+            node.os.install_packages(["centos-release-scl"])
             node.os.install_packages(["devtoolset-8"])
             node.tools[Mv].move("/bin/gcc", "/bin/gcc_back", overwrite=True, sudo=True)
             result.assert_exit_code()