| #!/usr/bin/env python |
| |
| r""" |
| See class prolog below for details. |
| """ |
| |
| import os |
| import sys |
| import yaml |
| import time |
| import platform |
| from errno import EACCES, EPERM |
| from ssh_utility import SSHRemoteclient |
| |
| |
| class FFDCCollector: |
| |
| r""" |
| Sends commands from configuration file to the targeted system to collect log files. |
| Fetch and store generated files at the specified location. |
| |
| """ |
| |
| def __init__(self, hostname, username, password, ffdc_config, location): |
| r""" |
| Description of argument(s): |
| |
| hostname name/ip of the targeted (remote) system |
| username user on the targeted system with access to FFDC files |
| password password for user on targeted system |
| ffdc_config configuration file listing commands and files for FFDC |
| location Where to store collected FFDC |
| |
| """ |
| if self.verify_script_env(): |
| self.hostname = hostname |
| self.username = username |
| self.password = password |
| self.ffdc_config = ffdc_config |
| self.location = location |
| self.remote_client = None |
| self.ffdc_dir_path = "" |
| self.ffdc_prefix = "" |
| self.receive_file_list = [] |
| self.target_type = "" |
| else: |
| sys.exit(-1) |
| |
| def verify_script_env(self): |
| |
| # Import to log version |
| import click |
| import paramiko |
| |
| run_env_ok = True |
| print("\n\t---- Script host environment ----") |
| print("\t{:<10} {:<10}".format('Script hostname', os.uname()[1])) |
| print("\t{:<10} {:<10}".format('Script host os', platform.platform())) |
| print("\t{:<10} {:>10}".format('Python', platform.python_version())) |
| print("\t{:<10} {:>10}".format('PyYAML', yaml.__version__)) |
| print("\t{:<10} {:>10}".format('click', click.__version__)) |
| print("\t{:<10} {:>10}".format('paramiko', paramiko.__version__)) |
| |
| if eval(yaml.__version__.replace('.', ',')) < (5, 4, 1): |
| print("\n\tERROR: Python or python packages do not meet minimum version requirement.") |
| print("\tERROR: PyYAML version 5.4.1 or higher is needed.\n") |
| run_env_ok = False |
| |
| print("\t---- End script host environment ----") |
| return run_env_ok |
| |
| def target_is_pingable(self): |
| r""" |
| Check if target system is ping-able. |
| |
| """ |
| response = os.system("ping -c 1 -w 2 %s 2>&1 >/dev/null" % self.hostname) |
| if response == 0: |
| print("\n\t[Check] %s is ping-able.\t\t\t [OK]" % self.hostname) |
| return True |
| else: |
| print("\n>>>>>\tERROR: %s is not ping-able. FFDC collection aborted.\n" % self.hostname) |
| sys.exit(-1) |
| |
| def set_target_machine_type(self): |
| r""" |
| Determine and set target machine type. |
| |
| """ |
| # Default to openbmc for first few sprints |
| self.target_type = "OPENBMC" |
| |
| def collect_ffdc(self): |
| r""" |
| Initiate FFDC Collection depending on requested protocol. |
| |
| """ |
| |
| print("\n\t---- Start communicating with %s ----" % self.hostname) |
| working_protocol_list = [] |
| if self.target_is_pingable(): |
| # Check supported protocol ping,ssh, redfish are working. |
| if self.ssh_to_target_system(): |
| working_protocol_list.append("SSH") |
| # Verify top level directory exists for storage |
| self.validate_local_store(self.location) |
| self.set_target_machine_type() |
| print("\n\t---- Completed protocol pre-requisite check ----\n") |
| self.generate_ffdc(working_protocol_list) |
| |
| def ssh_to_target_system(self): |
| r""" |
| Open a ssh connection to targeted system. |
| |
| """ |
| |
| self.remoteclient = SSHRemoteclient(self.hostname, |
| self.username, |
| self.password) |
| |
| self.remoteclient.ssh_remoteclient_login() |
| print("\n\t[Check] %s SSH connection established.\t [OK]" % self.hostname) |
| |
| # Check scp connection. |
| # If scp connection fails, |
| # continue with FFDC generation but skip scp files to local host. |
| self.remoteclient.scp_connection() |
| return True |
| |
| def generate_ffdc(self, working_protocol_list): |
| r""" |
| Send commands in ffdc_config file to targeted system. |
| |
| """ |
| |
| print("\n\t---- Executing commands on " + self.hostname + " ----") |
| print("\n\tWorking protocol list: %s" % working_protocol_list) |
| with open(self.ffdc_config, 'r') as file: |
| ffdc_actions = yaml.load(file, Loader=yaml.FullLoader) |
| |
| for machine_type in ffdc_actions.keys(): |
| if machine_type == self.target_type: |
| |
| if (ffdc_actions[machine_type]['PROTOCOL'][0] in working_protocol_list): |
| |
| print("\n\t[Run] Executing commands on %s using %s" |
| % (self.hostname, ffdc_actions[machine_type]['PROTOCOL'][0])) |
| list_of_commands = ffdc_actions[machine_type]['COMMANDS'] |
| progress_counter = 0 |
| for command in list_of_commands: |
| self.remoteclient.execute_command(command) |
| progress_counter += 1 |
| self.print_progress(progress_counter) |
| print("\n\t[Run] Commands execution completed.\t\t [OK]") |
| |
| if self.remoteclient.scpclient: |
| print("\n\n\tCopying FFDC files from remote system %s.\n" % self.hostname) |
| # Get default values for scp action. |
| # self.location == local system for now |
| self.set_ffdc_defaults() |
| # Retrieving files from target system |
| list_of_files = ffdc_actions[machine_type]['FILES'] |
| self.scp_ffdc(self.ffdc_dir_path, self.ffdc_prefix, list_of_files) |
| else: |
| print("\n\n\tSkip copying FFDC files from remote system %s.\n" % self.hostname) |
| else: |
| print("\n\tProtocol %s is not yet supported by this script.\n" |
| % ffdc_actions[machine_type]['PROTOCOL'][0]) |
| |
| def scp_ffdc(self, |
| targ_dir_path, |
| targ_file_prefix="", |
| file_list=None, |
| quiet=None): |
| r""" |
| SCP all files in file_dict to the indicated directory on the local system. |
| |
| Description of argument(s): |
| targ_dir_path The path of the directory to receive the files. |
| targ_file_prefix Prefix which will be pre-pended to each |
| target file's name. |
| file_dict A dictionary of files to scp from targeted system to this system |
| |
| """ |
| |
| self.receive_file_list = [] |
| progress_counter = 0 |
| for filename in file_list: |
| source_file_path = filename |
| targ_file_path = targ_dir_path + targ_file_prefix + filename.split('/')[-1] |
| |
| # self.remoteclient.scp_file_from_remote() completed without exception, |
| # add file to the receiving file list. |
| scp_result = self.remoteclient.scp_file_from_remote(source_file_path, targ_file_path) |
| if scp_result: |
| self.receive_file_list.append(targ_file_path) |
| |
| if not quiet: |
| if scp_result: |
| print("\t\tSuccessfully copied from " + self.hostname + ':' + source_file_path + ".\n") |
| else: |
| print("\t\tFail to copy from " + self.hostname + ':' + source_file_path + ".\n") |
| else: |
| progress_counter += 1 |
| self.print_progress(progress_counter) |
| |
| self.remoteclient.ssh_remoteclient_disconnect() |
| |
| def set_ffdc_defaults(self): |
| r""" |
| Set a default value for self.ffdc_dir_path and self.ffdc_prefix. |
| Collected ffdc file will be stored in dir /self.location/hostname_timestr/. |
| Individual ffdc file will have timestr_filename. |
| |
| Description of class variables: |
| self.ffdc_dir_path The dir path where collected ffdc data files should be put. |
| |
| self.ffdc_prefix The prefix to be given to each ffdc file name. |
| |
| """ |
| |
| timestr = time.strftime("%Y%m%d-%H%M%S") |
| self.ffdc_dir_path = self.location + "/" + self.hostname + "_" + timestr + "/" |
| self.ffdc_prefix = timestr + "_" |
| self.validate_local_store(self.ffdc_dir_path) |
| |
| def validate_local_store(self, dir_path): |
| r""" |
| Ensure path exists to store FFDC files locally. |
| |
| Description of variable: |
| dir_path The dir path where collected ffdc data files will be stored. |
| |
| """ |
| |
| if not os.path.exists(dir_path): |
| try: |
| os.mkdir(dir_path, 0o755) |
| except (IOError, OSError) as e: |
| # PermissionError |
| if e.errno == EPERM or e.errno == EACCES: |
| print('>>>>>\tERROR: os.mkdir %s failed with PermissionError.\n' % dir_path) |
| else: |
| print('>>>>>\tERROR: os.mkdir %s failed with %s.\n' % (dir_path, e.strerror)) |
| sys.exit(-1) |
| |
| def print_progress(self, progress): |
| r""" |
| Print activity progress + |
| |
| Description of variable: |
| progress Progress counter. |
| |
| """ |
| |
| sys.stdout.write("\r\t" + "+" * progress) |
| sys.stdout.flush() |
| time.sleep(.1) |