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Access HUAWEI Switch via CLI with python script
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| #!/usr/bin/python | |
| import sys | |
| _, ip, user, passwd = sys.argv | |
| CLI_PROMPT = r'[\[<][^>\]]+[\]>]' | |
| ssh = spawn('ssh %s@%s' % (username, ip)) | |
| if not ssh: | |
| return | |
| ssh.expect('password') | |
| while True: | |
| index = ssh.expect([r'\[Y/N\]', HuaweiSwitch.CLI_PROMPT, | |
| EOF, TIMEOUT], 1) | |
| if index > 1: | |
| return None | |
| elif index == 1: | |
| break | |
| ssh.sendline('N') # whatever it says, say no | |
| ssh.sendline(passwd) | |
| def cli(cmd): | |
| # NOTE: Add '| no-more' if output may too long | |
| if not ssh: | |
| err = 'SSH not connected on switch %s' % ip | |
| LOG.error(err) | |
| return False, err | |
| sync = '# %s' % str(time()) | |
| ssh.sendline(sync) | |
| ssh.expect(sync) | |
| ssh.sendline(cmd) | |
| ssh.expect(cmd.replace('|', r'\|')) | |
| ssh.expect(HuaweiSwitch.USER_VIEW_PROMPT) | |
| return True, ssh.before.replace('\r', '').strip('\n') | |
| def cli_config(cmd): | |
| if not ssh: | |
| err = 'SSH not connected on switch %s' % ip | |
| LOG.error(err) | |
| return False, err | |
| if isinstance(cmd, list): | |
| cmd = '\n'.join(cmd) | |
| ssh.sendline('system-view') | |
| ssh.expect(HuaweiSwitch.SYSTEM_VIEW_PROMPT) | |
| ssh.sendline(cmd) | |
| ssh.sendline(chr(26)) # CTRL+Z, back to user view | |
| index = ssh.expect([HuaweiSwitch.USER_VIEW_PROMPT, | |
| HuaweiSwitch.COMMIT_PROMPT]) | |
| if index == 1: | |
| ssh.sendline('Y') | |
| output = ssh.before.replace('\r', '').strip('\n') | |
| return True, output | |
| return True, ssh.before.replace('\r', '').strip('\n') |
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