Peter D Phan | 72ce6b8 | 2021-06-03 06:18:26 -0500 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | r""" |
| 4 | See class prolog below for details. |
| 5 | """ |
| 6 | |
| 7 | import os |
| 8 | import sys |
| 9 | import yaml |
| 10 | import time |
| 11 | import platform |
| 12 | from errno import EACCES, EPERM |
| 13 | from ssh_utility import SSHRemoteclient |
| 14 | |
| 15 | |
| 16 | class FFDCCollector: |
| 17 | |
| 18 | r""" |
| 19 | Sends commands from configuration file to the targeted system to collect log files. |
| 20 | Fetch and store generated files at the specified location. |
| 21 | |
| 22 | """ |
| 23 | |
| 24 | def __init__(self, hostname, username, password, ffdc_config, location): |
| 25 | |
| 26 | r""" |
| 27 | Description of argument(s): |
| 28 | |
| 29 | hostname name/ip of the targeted (remote) system |
| 30 | username user on the targeted system with access to FFDC files |
| 31 | password password for user on targeted system |
| 32 | ffdc_config configuration file listing commands and files for FFDC |
| 33 | location Where to store collected FFDC |
| 34 | |
| 35 | """ |
| 36 | if self.verify_script_env(): |
| 37 | self.hostname = hostname |
| 38 | self.username = username |
| 39 | self.password = password |
| 40 | self.ffdc_config = ffdc_config |
| 41 | self.location = location |
| 42 | self.remote_client = None |
| 43 | self.ffdc_dir_path = "" |
| 44 | self.ffdc_prefix = "" |
| 45 | self.receive_file_list = [] |
| 46 | self.target_type = "" |
| 47 | else: |
Peter D Phan | 8462faf | 2021-06-16 12:24:15 -0500 | [diff] [blame] | 48 | sys.exit(-1) |
Peter D Phan | 72ce6b8 | 2021-06-03 06:18:26 -0500 | [diff] [blame] | 49 | |
| 50 | def verify_script_env(self): |
| 51 | |
| 52 | # Import to log version |
| 53 | import click |
| 54 | import paramiko |
| 55 | |
| 56 | run_env_ok = True |
| 57 | print("\n\t---- Script host environment ----") |
| 58 | print("\t{:<10} {:<10}".format('Script hostname', os.uname()[1])) |
| 59 | print("\t{:<10} {:<10}".format('Script host os', platform.platform())) |
| 60 | print("\t{:<10} {:>10}".format('Python', platform.python_version())) |
| 61 | print("\t{:<10} {:>10}".format('PyYAML', yaml.__version__)) |
| 62 | print("\t{:<10} {:>10}".format('click', click.__version__)) |
| 63 | print("\t{:<10} {:>10}".format('paramiko', paramiko.__version__)) |
| 64 | |
Peter D Phan | 8462faf | 2021-06-16 12:24:15 -0500 | [diff] [blame] | 65 | if eval(yaml.__version__.replace('.', ',')) < (5, 4, 1): |
| 66 | print("\n\tERROR: Python or python packages do not meet minimum version requirement.") |
| 67 | print("\tERROR: PyYAML version 5.4.1 or higher is needed.\n") |
Peter D Phan | 72ce6b8 | 2021-06-03 06:18:26 -0500 | [diff] [blame] | 68 | run_env_ok = False |
| 69 | |
| 70 | print("\t---- End script host environment ----") |
| 71 | return run_env_ok |
| 72 | |
| 73 | def target_is_pingable(self): |
| 74 | |
| 75 | r""" |
| 76 | Check if target system is ping-able. |
| 77 | |
| 78 | """ |
| 79 | response = os.system("ping -c 1 -w 2 %s 2>&1 >/dev/null" % self.hostname) |
| 80 | if response == 0: |
| 81 | print("\n\t%s is ping-able." % self.hostname) |
| 82 | return True |
| 83 | else: |
| 84 | print("\n>>>>>\tERROR: %s is not ping-able. FFDC collection aborted.\n" % self.hostname) |
| 85 | sys.exit(-1) |
| 86 | |
| 87 | def set_target_machine_type(self): |
| 88 | r""" |
| 89 | Determine and set target machine type. |
| 90 | |
| 91 | """ |
| 92 | # Default to openbmc for first few sprints |
| 93 | self.target_type = "OPENBMC" |
| 94 | |
| 95 | def collect_ffdc(self): |
| 96 | |
| 97 | r""" |
| 98 | Initiate FFDC Collection depending on requested protocol. |
| 99 | |
| 100 | """ |
| 101 | |
| 102 | print("\n\n\t---- Start communicating with %s ----\n" % self.hostname) |
| 103 | if self.target_is_pingable(): |
| 104 | # Verify top level directory exists for storage |
| 105 | self.validate_local_store(self.location) |
| 106 | self.set_target_machine_type() |
| 107 | self.generate_ffdc() |
| 108 | |
| 109 | def ssh_to_target_system(self): |
| 110 | r""" |
| 111 | Open a ssh connection to targeted system. |
| 112 | |
| 113 | """ |
| 114 | |
| 115 | self.remoteclient = SSHRemoteclient(self.hostname, |
| 116 | self.username, |
| 117 | self.password) |
| 118 | |
| 119 | self.remoteclient.ssh_remoteclient_login() |
| 120 | |
| 121 | def generate_ffdc(self): |
| 122 | |
| 123 | r""" |
| 124 | Send commands in ffdc_config file to targeted system. |
| 125 | |
| 126 | """ |
| 127 | |
| 128 | with open(self.ffdc_config, 'r') as file: |
| 129 | ffdc_actions = yaml.load(file, Loader=yaml.FullLoader) |
| 130 | |
| 131 | for machine_type in ffdc_actions.keys(): |
| 132 | if machine_type == self.target_type: |
| 133 | |
| 134 | if (ffdc_actions[machine_type]['PROTOCOL'][0] == 'SSH'): |
| 135 | |
| 136 | # Use SSH |
| 137 | self.ssh_to_target_system() |
| 138 | |
| 139 | print("\n\tCollecting FFDC on " + self.hostname) |
| 140 | list_of_commands = ffdc_actions[machine_type]['COMMANDS'] |
| 141 | progress_counter = 0 |
| 142 | for command in list_of_commands: |
| 143 | self.remoteclient.execute_command(command) |
| 144 | progress_counter += 1 |
| 145 | self.print_progress(progress_counter) |
| 146 | |
| 147 | print("\n\n\tCopying FFDC from remote system %s \n\n" % self.hostname) |
| 148 | # Get default values for scp action. |
| 149 | # self.location == local system for now |
| 150 | self.set_ffdc_defaults() |
| 151 | # Retrieving files from target system |
| 152 | list_of_files = ffdc_actions[machine_type]['FILES'] |
| 153 | self.scp_ffdc(self.ffdc_dir_path, self.ffdc_prefix, list_of_files) |
| 154 | else: |
| 155 | print("\n\tProtocol %s is not yet supported by this script.\n" |
| 156 | % ffdc_actions[machine_type]['PROTOCOL'][0]) |
| 157 | |
| 158 | def scp_ffdc(self, |
| 159 | targ_dir_path, |
| 160 | targ_file_prefix="", |
| 161 | file_list=None, |
| 162 | quiet=None): |
| 163 | |
| 164 | r""" |
| 165 | SCP all files in file_dict to the indicated directory on the local system. |
| 166 | |
| 167 | Description of argument(s): |
| 168 | targ_dir_path The path of the directory to receive the files. |
| 169 | targ_file_prefix Prefix which will be pre-pended to each |
| 170 | target file's name. |
| 171 | file_dict A dictionary of files to scp from targeted system to this system |
| 172 | |
| 173 | """ |
| 174 | |
| 175 | self.remoteclient.scp_connection() |
| 176 | |
| 177 | self.receive_file_list = [] |
| 178 | progress_counter = 0 |
| 179 | for filename in file_list: |
| 180 | source_file_path = filename |
| 181 | targ_file_path = targ_dir_path + targ_file_prefix + filename.split('/')[-1] |
| 182 | |
| 183 | # self.remoteclient.scp_file_from_remote() completed without exception, |
| 184 | # add file to the receiving file list. |
| 185 | scp_result = self.remoteclient.scp_file_from_remote(source_file_path, targ_file_path) |
| 186 | if scp_result: |
| 187 | self.receive_file_list.append(targ_file_path) |
| 188 | |
| 189 | if not quiet: |
| 190 | if scp_result: |
Peter D Phan | 8462faf | 2021-06-16 12:24:15 -0500 | [diff] [blame] | 191 | print("\t\tSuccessfully copied from " + self.hostname + ':' + source_file_path + ".\n") |
Peter D Phan | 72ce6b8 | 2021-06-03 06:18:26 -0500 | [diff] [blame] | 192 | else: |
| 193 | print("\t\tFail to copy from " + self.hostname + ':' + source_file_path + ".\n") |
| 194 | else: |
| 195 | progress_counter += 1 |
| 196 | self.print_progress(progress_counter) |
| 197 | |
| 198 | self.remoteclient.ssh_remoteclient_disconnect() |
| 199 | |
| 200 | def set_ffdc_defaults(self): |
| 201 | |
| 202 | r""" |
| 203 | Set a default value for self.ffdc_dir_path and self.ffdc_prefix. |
| 204 | Collected ffdc file will be stored in dir /self.location/hostname_timestr/. |
| 205 | Individual ffdc file will have timestr_filename. |
| 206 | |
| 207 | Description of class variables: |
| 208 | self.ffdc_dir_path The dir path where collected ffdc data files should be put. |
| 209 | |
| 210 | self.ffdc_prefix The prefix to be given to each ffdc file name. |
| 211 | |
| 212 | """ |
| 213 | |
| 214 | timestr = time.strftime("%Y%m%d-%H%M%S") |
| 215 | self.ffdc_dir_path = self.location + "/" + self.hostname + "_" + timestr + "/" |
| 216 | self.ffdc_prefix = timestr + "_" |
| 217 | self.validate_local_store(self.ffdc_dir_path) |
| 218 | |
| 219 | def validate_local_store(self, dir_path): |
| 220 | r""" |
| 221 | Ensure path exists to store FFDC files locally. |
| 222 | |
| 223 | Description of variable: |
| 224 | dir_path The dir path where collected ffdc data files will be stored. |
| 225 | |
| 226 | """ |
| 227 | |
| 228 | if not os.path.exists(dir_path): |
| 229 | try: |
| 230 | os.mkdir(dir_path, 0o755) |
| 231 | except (IOError, OSError) as e: |
| 232 | # PermissionError |
| 233 | if e.errno == EPERM or e.errno == EACCES: |
| 234 | print('>>>>>\tERROR: os.mkdir %s failed with PermissionError.\n' % dir_path) |
| 235 | else: |
| 236 | print('>>>>>\tERROR: os.mkdir %s failed with %s.\n' % (dir_path, e.strerror)) |
| 237 | sys.exit(-1) |
| 238 | |
| 239 | def print_progress(self, progress): |
| 240 | r""" |
| 241 | Print activity progress + |
| 242 | |
| 243 | Description of variable: |
| 244 | progress Progress counter. |
| 245 | |
| 246 | """ |
| 247 | |
| 248 | sys.stdout.write("\r\t" + "+" * progress) |
| 249 | sys.stdout.flush() |
| 250 | time.sleep(.1) |