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Description:

pythonrrmngmnt 0.1.32

Remote Resources MaNaGeMeNT

Intro
This tool helps you manage remote machines and services running on that.
It is targeted to Linux based machines. All is done via SSH connection,
that means SSH server must be running there already.
from rrmngmnt import Host, RootUser

h = Host("10.11.12.13")
h.users.append(RootUser('123456'))

exec = h.executor()
# Run with sudo
exec = h.executor(sudo=True)

print exec.run_cmd(['echo', 'Hello World'])
Using SSH key for authentication
from rrmngmnt import Host, UserWithPKey

h = Host("10.11.12.13")
user = UserWithPKey('user', '/path/to/pkey'))

h.executor(user).run_cmd(['echo', 'Use pkey for auth instead of password'])
Using SSH key with disabled algorithms on paramiko SSHClient connect (Used when connecting to machines using old SSH)
from rrmngmnt import Host, UserWithPKey, RemoteExecutorFactory

h = Host("10.11.12.13")
h.executor_factory = RemoteExecutorFactory(disabled_algorithms=dict(pubkeys=['rsa-sha2-256', 'rsa-sha2-512'])
user = UserWithPKey('user', '/path/to/pkey'))

h.executor(user).run_cmd(['echo', 'Use pkey and disabled algorithms for old openSSH connection'])
Using with SSH ProxyCommand
.. code:: python

proxy_command = ‘some proxy command’
h = Host(hostname=”hostname”)
host.executor_factory = ssh.RemoteExecutorFactory(sock=proxy_command)
h.executor(user).run_cmd([‘echo’, ‘Use SSH with ProxyCommand’])

Features
List of provided interfaces to manage resources on machine, and
examples.

Filesystem
Basic file operations, you can find there subset of python ‘os’ module
related to files.
print h.fs.exists("/path/to/file")
h.fs.chown("/path/to/file", "root", "root")
h.fs.chmod("/path/to/file", "644")
h.fs.unlink("/path/to/file")
In additional there are methods to fetch / put file from / to remote system
to / from local system.
h.fs.get("/path/to/remote/file", "/path/to/local/file/or/target/dir")
h.fs.put("/path/to/local/file", "/path/to/remote/file/or/target/dir")
There is one special method which allows transfer file between hosts.
h1.fs.transfer(
"/path/to/file/on/h1",
h2, "/path/to/file/on/h2/or/target/dir",
)
You can also mount devices.
with h.fs.mount_point(
'//example.com/share', opts='ro,guest',
fstype='cifs', target='/mnt/netdisk'
) as mp:
h.fs.listdir(mp.target) # list mounted directory
mp.remount('rw,sync,guest') # remount with different options
h.fs.touch('%s/new_file' % mp.target) # touch file

Firewall
Allows to manage firewall configurarion. Check which firewall service is
running on host (firewalld/iptables) and make configure this service.
h.firewall.is_active('iptables')
h.firewall.chain('OUTPUT').list_rules()
h.firewall.chain('OUTPUT').add_rule('1.1.1.1', 'DROP')

Network
It allows to manage network configuration.
print h.network.hostname
h.network.hostname = "my.machine.org"
print h.network.all_interfaces()
print h.network.list_bridges()

Package Management
It encapsulates various package managements. It is able to determine
which package management to use. You can still specify package management
explicitly.
Implemented managements:

APT
YUM
DNF
RPM

# install htop package using implicit management
h.package_management.install('htop')
# remove htop package using rpm explicitly
h.package_management('rpm').remove('htop')

System Services
You can toggle system services, it encapsulates various service managements.
It is able to determine which service management to use in most cases.
Implemented managements:

Systemd
SysVinit
InitCtl

if h.service('httpd').status():
h.service('httpd').stop()
if h.service('httpd').is_enabled():
h.service('httpd').disable()

Operating System Info
Host provide os attribute which allows obtain basic operating
system info.
Note that os.release_info depends on systemd init system.
print h.os.distribution
# Distribution(distname='Fedora', version='23', id='Twenty Three')

print h.os.release_info
# {'HOME_URL': 'https://fedoraproject.org/',
# 'ID': 'fedora',
# 'NAME': 'Fedora',
# 'PRETTY_NAME': 'Fedora 23 (Workstation Edition)',
# 'VARIANT': 'Workstation Edition',
# 'VARIANT_ID': 'workstation',
# 'VERSION': '23 (Workstation Edition)',
# 'VERSION_ID': '23',
# ...
# }

print h.os.release_str
# Fedora release 23 (Twenty Three)

Storage Management
It is in PROGRESS state. Planed are NFS & LVM services.

Power Management
Give you possibility to control host power state, you can restart,
poweron, poweroff host and get host power status.
Implemented managements:

SSH
IPMI

ipmi_user = User(pm_user, pm_password)
ipmi_params = {
'pm_if_type': 'lan',
'pm_address': 'test-mgmt.testdomain',
'user': ipmi_user
}
h.add_power_manager(
power_manager.IPMI_TYPE, **ipmi_params
)
# restart host via ipmitool
h.power_manager.restart()

Requires

paramiko
netaddr
six

Install
python setup.py devop

Test
tox