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Copy pathoperations.py
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152 lines (124 loc) · 4.5 KB
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#!/bin/env python
'''
A simple interface to execute shell commands.
Reference: fabric/operations.py.
Examples:
>>> from operations import local_cmd,remote_cmd,sftp_get,sftp_put
>>> out = local_cmd('uname -r')
>>> print(out)
2.6.32
>>> print(out.stdout)
2.6.32
>>> print(out.failed)
False
>>> print(out.succeeded)
True
>>> out = remote_cmd('hostname --fqdn',hostname='heylinux.com',username='jobs',
pkey='/path/to/rsa',port=8022)
>>> print(out)
heylinux.com
>>> print(out.failed)
False
>>> print(out.succeeded)
True
>>> out = sftp_get('/tmp/remote.txt','/tmp/local.txt',hostname='heylinux.com',username='jobs',
pkey='/path/to/dsa',pkey_type='dsa',port=8022)
>>> print(out.failed)
True
>>> print(out.succeeded)
False
>>> print(out.stderr)
No such file or directory
>>> out = sftp_put('/tmp/local.txt','/tmp/remote.txt',hostname='heylinux.com',username='jobs',
password='apple')
>>> print(out.failed)
False
>>> print(out.succeeded)
True
'''
import subprocess
import paramiko
class _AttributeString(str):
"""
Simple string subclass to allow arbitrary attribute access.
"""
@property
def stdout(self):
return str(self)
def local_cmd(cmd, capture=True, shell=None):
out_stream = subprocess.PIPE
err_stream = subprocess.PIPE
p = subprocess.Popen(cmd, shell=True, stdout=out_stream, stderr=err_stream, executable=shell)
(stdout, stderr) = p.communicate()
out = _AttributeString(stdout.strip() if stdout else "")
err = _AttributeString(stderr.strip() if stderr else "")
out.cmd = cmd
out.failed = False
out.return_code = p.returncode
out.stderr = err
if out.return_code != 0:
out.failed = True
out.succeeded = not out.failed
return out
def remote_cmd(cmd, hostname, username, password=None, pkey=None, pkey_type="rsa", port=22):
p = paramiko.SSHClient()
p.set_missing_host_key_policy(paramiko.AutoAddPolicy())
if pkey is not None:
if pkey_type == "dsa":
pkey = paramiko.DSSKey.from_private_key_file(pkey)
else:
pkey = paramiko.RSAKey.from_private_key_file(pkey)
p.connect(hostname=hostname, username=username, pkey=pkey, port=port)
else:
p.connect(hostname=hostname, username=username, password=password, port=port)
(stdin, stdout, stderr) = p.exec_command(cmd)
stdout_str = ""
stderr_str = ""
for line in stdout.readlines():
stdout_str = stdout_str + line
for line in stderr.readlines():
stderr_str = stderr_str + line
out = _AttributeString(stdout_str.strip() if stdout else "")
err = _AttributeString(stderr_str.strip() if stderr else "")
out.cmd = cmd
out.failed = False
out.return_code = stdout.channel.recv_exit_status()
out.stderr = err
if out.return_code != 0:
out.failed = True
out.succeeded = not out.failed
p.close()
return out
def sftp(src_path, dest_path, hostname, username, password=None, pkey=None, pkey_type="rsa",
port=22, transfer_type=None):
p = paramiko.Transport((hostname,port))
if pkey is not None:
if pkey_type == "dsa":
pkey = paramiko.DSSKey.from_private_key_file(pkey)
else:
pkey = paramiko.RSAKey.from_private_key_file(pkey)
p.connect(username=username, pkey=pkey)
else:
p.connect(username=username, password=password)
sftp = paramiko.SFTPClient.from_transport(p)
out = _AttributeString()
out.failed = False
out.stderr = None
if transfer_type is not None:
try:
if transfer_type == "get":
sftp.get(src_path, dest_path)
if transfer_type == "put":
sftp.put(src_path, dest_path)
except Exception as e:
out.failed = True
out.stderr = e.args[1]
out.succeeded = not out.failed
p.close()
return out
def sftp_get(remote_path, local_path, hostname, username, password=None, pkey=None, pkey_type="rsa", port=22):
return sftp(remote_path, local_path, hostname, username, password=password, pkey=pkey, pkey_type=pkey_type,
port=port, transfer_type="get")
def sftp_put(local_path, remote_path, hostname, username, password=None, pkey=None, pkey_type="rsa", port=22):
return sftp(local_path, remote_path, hostname, username, password=password, pkey=pkey, pkey_type=pkey_type,
port=port, transfer_type="put")