Added the Test_build.py that builds the kernel and calls Build_bisect…

…or if build fails

Signed-off-by: Tejas Manhas <[email protected]>

testcases/Test_build.py

@@ -0,0 +1,143 @@
+#test_build.py: to make build of the repo and test it through exit code
+
+#!/usr/bin/env python3
+# OpenPOWER Automated Test Project
+#
+# Contributors Listed Below - COPYRIGHT 2023
+# [+] International Business Machines Corp.
+#
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# permissions and limitations under the License.
+import json
+# import requests
+import os
+import uuid
+from datetime import datetime
+import re
+import unittest
+import os
+from urllib.parse import urlparse
+from enum import Enum
+import subprocess
+import OpTestConfiguration
+import OpTestLogger
+import configparser
+import sys
+from testcases import Build_bisector
+from common.OpTestSystem import OpSystemState
+from common.OpTestSOL import OpSOLMonitorThread
+from common.OpTestInstallUtil import InstallUtil
+from common.Exceptions import CommandFailed
+log = OpTestLogger.optest_logger_glob.get_logger(__name__)
+class Test_build(unittest.TestCase):
+    """
+    Test case for bisecting the Linux kernel using Git Bisect.
+    This test downloads the Linux kernel from a specified repository,
+    configures and compiles it, and then uses Git Bisect to find the
+    commit that introduced a specific issue.
+    """
+    def setUp(self):
+        """
+        Set up the test environment.
+        Initializes test parameters and checks required configurations.
+        """
+        self.conf = OpTestConfiguration.conf
+        self.cv_HOST = self.conf.host()
+        self.cv_SYSTEM = self.conf.system()
+        self.connection = self.cv_SYSTEM.cv_HOST.get_ssh_connection()
+        self.console_thread = OpSOLMonitorThread(1, "console")
+        self.host_cmd_timeout = self.conf.args.host_cmd_timeout
+        self.repo = self.conf.args.git_repo
+        self.repo_reference = self.conf.args.git_repo_reference
+        self.branch = self.conf.args.git_branch
+        self.home = self.conf.args.git_home
+        self.config_path = self.conf.args.git_repoconfigpatih
+        self.config = self.conf.args.git_repoconfig
+        self.good_commit = self.conf.args.good_commit
+        self.bad_commit = self.conf.args.bad_commit
+        self.bisect_script = self.conf.args.bisect_script
+        self.bisect_category = self.conf.args.bisect_category
+        self.append_kernel_cmdline = self.conf.args.append_kernel_cmdline
+        self.linux_path = os.path.join(self.home, "linux")
+        if not self.repo:
+            self.fail("Provide git repo of kernel to install")
+        if not (self.conf.args.host_ip and self.conf.args.host_user and self.conf.args.host_password):
+            self.fail(
+                "Provide host ip user details refer, --host-{ip,user,password}")
+
+    def build_kernel(self):
+        """
+        Build and install the Linux kernel.
+        """
+
+        try:
+
+            build_command = "make -j && make modules_install && make install"
+            err=self.connection.run_command(build_command, timeout=self.host_cmd_timeout)
+
+
+            log.info("Kernel build successful")
+
+            return 0,err
+        except CommandFailed as e:
+            log.error("Kernel build failed: {}".format(e))
+            return  4,e
+    def generate_unique_id():
+            unique_id = str(uuid.uuid4())
+
+            return unique_id
+    def add_entry_to_json( self,data, entry):
+            entry_id = self.generate_unique_id()
+            data[entry_id] = entry
+            return data
+    def Store_loc ( self, er) :
+            pattern = r"([\w\d_]+\/(?:(?:[\w\d_]+\/)*[\w\d_]+\b))"
+            matches = [match.group(1) for match in re.finditer(pattern,er)]
+            return matches
+
+    def runTest(self):
+        self.connection.run_command("if [ -d {} ]; then rm -rf {}; fi".format(self.home,self.home))
+        self.connection.run_command("if [ ! -d {} ]; then mkdir -p {}; fi".format(self.home,self.home))
+        self.connection.run_command("cd {}".format(self.home))
+        if not self.branch:
+            self.branch='master' 
+        log.info("CD DONE")
+
+        self.connection.run_command("git clone --depth 1 {} -b {}".format(self.repo, self.branch))
+        self.connection.run_command("cd linux")
+        commit = self.connection.run_command(" git log -1 --format=%H")
+        self.connection.run_command("cd ..")
+        self.connection.run_command("wget http://ltc-jenkins.aus.stglabs.ibm.com:81/abdul/ioci/kernel_config -o linux/.config")
+        self.connection.run_command("cd linux && make olddefconfig")
+        error = self.build_kernel()
+        log.info("COMMAND RUN")
+        exit_code = error[0]
+        errVal = str(error[1])
+        log.info("printing the exit code '{}'".format(exit_code))
+        entry=[]
+        if exit_code != 0:
+            entry = self.Store_loc(errVal)[-1]
+            badCommit = commit[-1]
+            log.info("BUILD_BISECTOR CALLED")
+            bisect = Build_bisector.Buil_bisector()
+            bisect.setUp()
+            res = bisect.runTest()
+            log.info("BUILD_BISECTOR END")
+            em=res[0]
+            commiti=res[1]
+        else : 
+             em=""
+             commiti=commit[-1]
+        with open('output.json','w') as f:
+             json.dump({"exit_code":exit_code,"email":em,"commit": commiti,"error":entry[-1]},f)
+        return exit_code