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The list of cloud-config modules is now kept in cloud config itself.
There is a builtin list in cloudinit, which is overrideable by
/etc/cloud/cloud.cfg or user data cloud-config.
This should make the modules more easily added or removed (as no code
needs to be edited now)
Basic summary of changes:
- move CloudConfig.py -> cloudinit/CloudConfig/__init__.py
- split cloud-config modules into their own files named
cloudinit/CloudConfig/cc_<name>.py
- remove all the upstart/cloud-config-* scripts, replacing them with
upstart/cloud-config.conf
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remove the section, these should be covered in 'builtin'. The content was
correct, just not needed.
Added an example to doc/examples/cloud-config.txt on how the user can
configure this from either cloud-config user data or from
/etc/cloud/cloud.cfg
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This logging infrastructure in cloudinit:
- uses python logging
- allows user supplied config of logging.config.fileConfig format to be
supplied in /etc/cloud/cloud.cfg or in cloud_config by user data.
- by default, tries to use syslog, if that is not available, writes directly to
/var/log/cloud-init.log (syslog will not be available yet when cloud-init
runs)
- when using syslog, the doc/21-cloudinit.conf file provides a rsyslogd
file to be placed in /etc/rsyslog.d/ that will file [CLOUDINIT] messages
to /var/log/cloud-init.log
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runcmd allows simple running of commands at rc.local like time frame
see doc/examples/cloud-config.txt for more info.
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If a part of a multipart file is 'text/part-handler' then it is
expected to be python code that implements 2 methods
- list_types()
list the types that this part-handler supports, return
a list. ie: return(['text/plain'])
- handle_parts(data,ctype,filename,payload)
this method will be called:
once, when loaded, with ctype == '__begin__'
once per part
once, at the end, with ctype == '__end__'
- ctype is the content type ('text/plain')
- filename is the filename portion of the mime data
- payload is the content of the part
- data is currently the cloud object, but this could change
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Also, move swap to use this format for specifying mounts. That way
the user can turn off swap if they want with:
| mounts:
| - [ swap ]
Other change wrapped in here is to have DataSourceEc2 read plain text
(evalable) text for its metadata rather than pickl. This is really for
debuging anyway, so any speed difference is not important.
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