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fakessh: add nice graphml image

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pull/35/head
David Wilson 7 years ago
parent b1d3e7cad7
commit abbcd30fa1
3 changed files with 341 additions and 16 deletions
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331
docs/images/fakessh.graphml
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@ -0,0 +1,331 @@
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docs/index.rst
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@ -128,6 +128,9 @@ context has hung.
SSH Client Emulation
####################
.. image:: images/fakessh.png
:align: right
Support is included for starting subprocesses with a modified environment, that
cause their attempt to use SSH to be redirected back into the host program. In
this way tools like `rsync`, `sftp`, and `scp` can efficiently reuse the host
@ -141,23 +144,14 @@ example enforce an interactive sudo TTY and account password.
.. code-block:: python
bastion = router.ssh(
hostname='bastion.mycorp.com'
)
appserver = router.ssh(
via=bastion,
hostname='appserver1.internal.mycorp.com'
)
appuser = router.sudo(
via=appserver
username='appuser',
)
bastion = router.ssh(hostname='bastion.mycorp.com')
webserver = router.ssh(via=bastion, hostname='webserver')
fileserver = router.ssh(via=bastion, hostname='fileserver')
webapp = router.sudo(via=webserver, username='webapp')
appuser.call(my_diagnostic_function)
# Transparently tunnelled over bastion -> appserver -> appuser link.
econtext.fakessh.run(appuser, ['rsync', 'appdata', 'appserver:appdata'])
# Transparently tunnelled over fileserver -> .. -> sudo.webapp link
fileserver.call(econtext.fakessh.run, webapp,
['rsync', 'appdata', 'appserver:appdata'])
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