diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/helpers/vyos-boot-config-loader.py | 153 |
1 files changed, 114 insertions, 39 deletions
diff --git a/src/helpers/vyos-boot-config-loader.py b/src/helpers/vyos-boot-config-loader.py index 06c95765f..7c81a4c3c 100755 --- a/src/helpers/vyos-boot-config-loader.py +++ b/src/helpers/vyos-boot-config-loader.py @@ -18,41 +18,72 @@ import os import sys +import pwd +import grp import subprocess import traceback +from datetime import datetime +from vyos.defaults import directories from vyos.configsession import ConfigSession, ConfigSessionError from vyos.configtree import ConfigTree STATUS_FILE = '/tmp/vyos-config-status' TRACE_FILE = '/tmp/boot-config-trace' -session = ConfigSession(os.getpid(), 'vyos-boot-config-loader') -env = session.get_session_env() +CFG_GROUP = 'vyattacfg' -default_file_name = env['vyatta_sysconfdir'] + '/config.boot.default' - -if len(sys.argv) < 1: - print("Must be called with argument.") - sys.exit(1) +if 'log' in directories: + LOG_DIR = directories['log'] else: - file_name = sys.argv[1] + LOG_DIR = '/var/log/vyatta' + +LOG_FILE = LOG_DIR + '/vyos-boot-config-loader.log' + +try: + with open('/proc/cmdline', 'r') as f: + cmdline = f.read() + if 'vyos-debug' in cmdline: + os.environ['VYOS_DEBUG'] = 'yes' +except Exception as e: + print('{0}'.format(e)) def write_config_status(status): - with open(STATUS_FILE, 'w') as f: - f.write('{0}\n'.format(status)) + try: + with open(STATUS_FILE, 'w') as f: + f.write('{0}\n'.format(status)) + except Exception as e: + print('{0}'.format(e)) def trace_to_file(trace_file_name): - with open(trace_file_name, 'w') as trace_file: - traceback.print_exc(file=trace_file) + try: + with open(trace_file_name, 'w') as trace_file: + traceback.print_exc(file=trace_file) + except Exception as e: + print('{0}'.format(e)) + +def failsafe(config_file_name): + fail_msg = """ + !!!!! + There were errors loading the configuration + Please examine the errors in + {0} + and correct + !!!!! + """.format(TRACE_FILE) + + print(fail_msg, file=sys.stderr) + + users = [x[0] for x in pwd.getpwall()] + if 'vyos' in users: + return -def failsafe(): try: - with open(default_file_name, 'r') as f: + with open(config_file_name, 'r') as f: config_file = f.read() except Exception as e: print("Catastrophic: no default config file " - "'{0}'".format(default_file_name)) + "'{0}'".format(config_file_name)) sys.exit(1) config = ConfigTree(config_file) @@ -73,29 +104,73 @@ def failsafe(): except subprocess.CalledProcessError as e: sys.exit("{0}".format(e)) - with open('/etc/motd', 'a+') as f: - f.write('\n\n') - f.write('!!!!!\n') - f.write('There were errors loading the initial configuration;\n') - f.write('please examine the errors in {0} and correct.' - '\n'.format(TRACE_FILE)) - f.write('!!!!!\n\n') +if __name__ == '__main__': + if len(sys.argv) < 2: + print("Must specify boot config file.") + sys.exit(1) + else: + file_name = sys.argv[1] -try: - with open(file_name, 'r') as f: - config_file = f.read() -except Exception as e: - write_config_status(1) - failsafe() - trace_to_file(TRACE_FILE) - sys.exit("{0}".format(e)) + # Set user and group options, so that others will be able to commit + # Currently, the only caller does 'sg CFG_GROUP', but that may change + cfg_group = grp.getgrnam(CFG_GROUP) + os.setgid(cfg_group.gr_gid) -try: - session.load_config(file_name) - session.commit() - write_config_status(0) -except ConfigSessionError as e: - write_config_status(1) - failsafe() - trace_to_file(TRACE_FILE) - sys.exit(1) + # Need to set file permissions to 775 so that every vyattacfg group + # member has write access to the running config + os.umask(0o002) + + session = ConfigSession(os.getpid(), 'vyos-boot-config-loader') + env = session.get_session_env() + + default_file_name = env['vyatta_sysconfdir'] + '/config.boot.default' + + try: + with open(file_name, 'r') as f: + config_file = f.read() + except Exception: + write_config_status(1) + failsafe(default_file_name) + trace_to_file(TRACE_FILE) + sys.exit(1) + + try: + time_begin_load = datetime.now() + load_out = session.load_config(file_name) + time_end_load = datetime.now() + time_begin_commit = datetime.now() + commit_out = session.commit() + time_end_commit = datetime.now() + write_config_status(0) + except ConfigSessionError: + # If here, there is no use doing session.discard, as we have no + # recoverable config environment, and will only throw an error + write_config_status(1) + failsafe(default_file_name) + trace_to_file(TRACE_FILE) + sys.exit(1) + + time_elapsed_load = time_end_load - time_begin_load + time_elapsed_commit = time_end_commit - time_begin_commit + + try: + if not os.path.exists(LOG_DIR): + os.mkdir(LOG_DIR) + with open(LOG_FILE, 'a') as f: + f.write('\n\n') + f.write('{0} Begin config load\n' + ''.format(time_begin_load)) + f.write(load_out) + f.write('{0} End config load\n' + ''.format(time_end_load)) + f.write('Elapsed time for config load: {0}\n' + ''.format(time_elapsed_load)) + f.write('{0} Begin config commit\n' + ''.format(time_begin_commit)) + f.write(commit_out) + f.write('{0} End config commit\n' + ''.format(time_end_commit)) + f.write('Elapsed time for config commit: {0}\n' + ''.format(time_elapsed_commit)) + except Exception as e: + print('{0}'.format(e)) |