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Add fabric section: config several servers. #420

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45 changes: 45 additions & 0 deletions docs/scenarios/admin.rst
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Expand Up @@ -64,6 +64,51 @@ and we can deploy with:

$ fab deploy

If you deploy many servers, one problem is each server has a different password, the
following code show how to config different servers.

.. code-block:: python

from fabric.api import *

env.roledefs = {
'server1': ['usename@ip1:port1',],
'server2': ['usename@ip2:port2',],
}


env.passwords = {
'usename@ip1:port1': 'password1',
'usename@ip2:port2': 'password2',
}

# env.password = 'xxxxxx' # if all hosts have the same password,
# use env.password for short

COMAND = 'ls -l | wc'

@roles('server1')
def test_remote():
run(COMAND)

def test_local():
local(COMAND)

@roles('server2')
def download(remote_path, local_path='~/download'):
get(remote_path, local_path)

def do():
execute(test_local)
execute(test_remote)

And you can test with:

.. code-block:: console

$ fab do
$ fab download('/remote_path/to/file')

Additional features include parallel execution, interaction with remote
programs, and host grouping.

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