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Project Description

Installing

hostout.supervisor is a plugin for collective.hostout. Hostout is a zc.buildout recipe.

First you need a working buildout using supervisor. Here’s a really simple one:

>>> write('buildout.cfg',
... """
... [buildout]
... parts = helloworld
...
... [helloworld]
... recipe = zc.recipe.egg:scripts
... eggs = zc.recipe.egg
... initialization = import sys
...   main=lambda: sys.stdout.write('all your hosts are below to us')
... entry-points = helloworld=__main__:main
...
... [supervisor]
... recipe = collective.recipe.supervisor
... programs = 10 helloworld bin/helloworld
...
... """)
>>> print system('bin/buildout -N')
Installing helloworld.
Generated script '/sample-buildout/bin/helloworld'.
>>> print system('bin/helloworld')
all your hosts are belong to us

Google “buildout” and your favourite app framework to find out how to build it.

Next we add hostout to our buildout, and extend hostout by adding the hostout.supervisor plugin using the extends option.

>>> write('buildout.cfg',
... """
... [buildout]
... parts = helloworld host
...
... [helloworld]
... recipe = zc.recipe.egg:scripts
... eggs = zc.recipe.egg
... initialization = import sys
...   main=lambda: sys.stdout.write('all your hosts are below to us')
... entry-points = helloworld=__main__:main
...
... [supervisor]
... recipe = collective.recipe.supervisor
... programs = 10 helloworld bin/helloworld
...
... [host]
... recipe = collective.hostout
... host = 127.0.0.1:10022
... extends = hostout.supervisor
... parts = hellowworld supervisor
...
... """)
>>> print system('bin/buildout -N')
    Updating helloworld.
    Installing host.
    Generated script '/sample-buildout/bin/hostout'.
    ...

hostout.supervisor commands

>>> print system('bin/hostout host')
    cmdline is: bin/hostout host1 [host2...] [all] cmd1 [cmd2...] [arg1 arg2...]
    Valid commands are:
    ...
       supervisorboot     : Installs supervisor into your init.d scripts in order to ensure that supervisor is started on boot
    ...
       supervisorctl      : Takes command line arguments and runs supervisorctl on the remote host
       supervisorshutdown : Shutdown the supervisor daemon
       supervisorstartup  : Start the supervisor daemon
    ...

The following options may be used:

supervisor
The name of the supervisor part to stop and restart
init.d
If set, the supervisord script will be linked into init.d so any machine restart will also start supervisor.

Automatic startup and shutdown during deployment

In addition, the supervisor plugin will shutdown supervisor during pre-deployment and start up supervisor during post-deployment.

>>> print system('bin/hostout host1 deploy')
    Hostout: Running command 'predeploy' from 'hostout.supervisor.fabfile'
    Logging into the following hosts as :
        127.0.0.1
    [127.0.0.1] sudo: /var/lib/plone/host1/bin/supervisorctl shutdown || echo 'Failed to shutdown'
    ...
    Hostout: Running command 'postdeploy' from 'hostout.supervisor.fabfile'
    ...
    [127.0.0.1] sudo: /var/lib/plone/host1/bin/supervisord
    ...
    [127.0.0.1] sudo: /var/lib/plone/host1/bin/supervisorctl status
    ...
    Hostout: Running command 'postdeploy' from 'collective.hostout.fabfile'
    ...

Credits

Dylan Jay ( software at pretaweb dot com )

Release History

1.05 (2014-05-29)

  • tidy up readme [Jean Jordaan]
  • fixed bootstrip install/uninstall [Adam Terrey]

1.0a4 (2010-04-13)

  • allows buildout user only deploy

1.0a3 (2010-03-21)

  • new sudosupervisor for when you need to boot as root [Dylan Jay]
  • Made compatible with collective.hostout 1.0a5 [Dylan Jay]
  • Improved startup and shutdown so use only buildout-user + reload rather than “supervisor shutdown” [Dylan Jay]

1.0a2 (2010-06-03)

  • falfile entrypoint
  • better init.d script

1.0a1 (2010-02-13)

  • Moved out of collective.hostout
  • upgraded it to fabric 1.0 and python 2.6
Release History

Release History

1.0a5

This version

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1.0a4

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1.0a3

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1.0a2

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1.0a1

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Download Files

Download Files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
hostout.supervisor-1.0a5.tar.gz (6.2 kB) Copy SHA256 Checksum SHA256 Source May 29, 2014

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