support detect vmware esxi

lisa/executable.py

@@ -26,7 +26,6 @@ from lisa.util.process import ExecutableResult, Process
 if TYPE_CHECKING:
     from lisa.node import Node
 
-
 T = TypeVar("T")
 
 
@@ -168,6 +167,10 @@ class Tool(InitializableMixin):
             freebsd_tool = cls._freebsd_tool()
             if freebsd_tool:
                 tool_cls = freebsd_tool
+        elif "VMWareESXi" in node.os.name:
+            vmware_esxi_tool = cls._vmware_esxi_tool()
+            if vmware_esxi_tool:
+                tool_cls = vmware_esxi_tool
         return tool_cls(node, *args, **kwargs)
 
     @classmethod
@@ -184,11 +187,21 @@ class Tool(InitializableMixin):
         """
         return None
 
+    @classmethod
+    def _vmware_esxi_tool(cls) -> Optional[Type[Tool]]:
+        """
+        return a vmware esxi version tool class, if it's needed
+        """
+        return None
+
     def command_exists(self, command: str) -> Tuple[bool, bool]:
         exists = False
         use_sudo = False
         if self.node.is_posix:
-            where_command = "command -v"
+            if "VMWareESXi" in self.node.os.name:
+                where_command = "which"
+            else:
+                where_command = "command -v"
         else:
             where_command = "where"
         where_command = f"{where_command} {command}"

lisa/operating_system.py

@@ -128,6 +128,9 @@ class OperatingSystem:
     __release_pattern = re.compile(r"^DISTRIB_ID='?([^ \n']+).*$", re.M)
     __suse_release_pattern = re.compile(r"^(SUSE).*$", re.M)
     __bmc_release_pattern = re.compile(r".*(wcscli).*$", re.M)
+    # VMware ESXi 8.0.2 build-23305546
+    # VMware ESXi 8.0 Update 2
+    __vmware_esxi_release_pattern = re.compile(r"^(VMware ESXi).*$", re.M)
 
     __posix_factory: Optional[Factory[Any]] = None
 
@@ -250,6 +253,9 @@ class OperatingSystem:
         cmd_result = typed_node.execute(cmd="wcscli", no_error_log=True)
         yield get_matched_str(cmd_result.stdout, cls.__bmc_release_pattern)
 
+        cmd_result = typed_node.execute(cmd="vmware -lv", no_error_log=True)
+        yield get_matched_str(cmd_result.stdout, cls.__vmware_esxi_release_pattern)
+
         # try best from distros'family through ID_LIKE
         yield get_matched_str(
             cmd_result_os_release.stdout, cls.__os_release_pattern_idlike
@@ -681,6 +687,12 @@ class BMC(Posix):
         return re.compile("^wcscli$")
 
 
+class VMWareESXi(Posix):
+    @classmethod
+    def name_pattern(cls) -> Pattern[str]:
+        return re.compile("^VMware ESXi$")
+
+
 class MacOS(Posix):
     @classmethod
     def name_pattern(cls) -> Pattern[str]:

lisa/tools/lscpu.py

@@ -107,6 +107,10 @@ class Lscpu(Tool):
     def _windows_tool(cls) -> Optional[Type[Tool]]:
         return WindowsLscpu
 
+    @classmethod
+    def _vmware_esxi_tool(cls) -> Optional[Type[Tool]]:
+        return VMWareESXiLscpu
+
     @classmethod
     def _freebsd_tool(cls) -> Optional[Type[Tool]]:
         return BSDLscpu
@@ -438,3 +442,40 @@ class BSDLscpu(Lscpu):
             * self.get_cluster_count()
             * self.get_thread_per_core_count()
         )
+
+
+class VMWareESXiLscpu(Lscpu):
+    #    CPU Threads: 208
+    __cpu_threads = re.compile(r"CPU Threads:[ ]+([\d]+)?", re.M)
+    #    CPU Packages: 2
+    __cpu_packages = re.compile(r"CPU Packages:[ ]+([\d]+)?", re.M)
+    #    CPU Cores: 104
+    __cpu_cores = re.compile(r"CPU Cores:[ ]+([\d]+)?", re.M)
+
+    @property
+    def command(self) -> str:
+        return "esxcli"
+
+    def get_core_count(self, force_run: bool = False) -> int:
+        result = self.run("hardware cpu global get", force_run)
+        matched = self.__cpu_threads.findall(result.stdout)
+        assert_that(
+            len(matched),
+            f"cpu thread should have exact one line, but got {matched}",
+        ).is_equal_to(1)
+        self._core_count = int(matched[0])
+        return self._core_count
+
+    def calculate_vcpu_count(self, force_run: bool = False) -> int:
+        result = self.run("hardware cpu global get", force_run)
+        matched_cpu_packages = self.__cpu_packages.findall(result.stdout)
+        assert_that(
+            len(matched_cpu_packages),
+            f"cpu packages should have exact one line, but got {matched_cpu_packages}",
+        ).is_equal_to(1)
+        matched_cpu_cores = self.__cpu_cores.findall(result.stdout)
+        assert_that(
+            len(matched_cpu_cores),
+            f"cpu cores should have exact one line, but got {matched_cpu_cores}",
+        ).is_equal_to(1)
+        return int(matched_cpu_packages[0]) * int(matched_cpu_cores[0])