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This file contains code used to gather the user data passed to an
instance on RHEVm and vSphere.
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Description:
This callback will be applied by util.mount_cb() on the mounted
file.
Deltacloud file name contains deltacloud. Those not using
Deltacloud but instead instrumenting the injection, could
drop deltacloud from the file name.
Input:
mount_dir - Mount directory
Returns:
User Data
s /deltacloud-user-data.txts /user-data.txts Failed accessing user data file.N( R t load_filet stript IOErrort logexct LOGt None( t mount_dirt deltacloud_user_data_filet user_data_filet user_data( ( sH /usr/lib/python2.7/site-packages/cloudinit/sources/DataSourceAltCloud.pyt read_user_data_callback) s
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DataSourcet __init__R
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Description:
Get the type for the cloud back end this instance is running on
by examining the string returned by reading either:
CLOUD_INFO_FILE or
the dmi data.
Input:
None
Returns:
One of the following strings:
'RHEV', 'VSPHERE' or 'UNKNOWN'
s' Unable to access cloud info file at %s.t UNKNOWNs system-product-namet RHEVt VMWAREt VSPHERE(
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cloud_typet system_namet sys_name( ( sH /usr/lib/python2.7/site-packages/cloudinit/sources/DataSourceAltCloud.pyt get_cloud_typeX s"
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Description:
User Data is passed to the launching instance which
is used to perform instance configuration.
Cloud providers expose the user data differently.
It is necessary to determine which cloud provider
the current instance is running on to determine
how to access the user data. Images built with
image factory will contain a CLOUD_INFO_FILE which
contains a string identifying the cloud provider.
Images not built with Imagefactory will try to
determine what the cloud provider is based on system
information.
s Invoked get_data()s cloud_type: %sR! R# s Failed accessing user data.(
R t debugR. t strt user_data_rhevmt Truet user_data_vspheret FalseR R ( R R+ ( ( sH /usr/lib/python2.7/site-packages/cloudinit/sources/DataSourceAltCloud.pyt _get_data~ s
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RHEVM specific userdata read
If on RHEV-M the user data will be contained on the
floppy device in file <user_data_file>
To access it:
modprobe floppy
Leverage util.mount_cb to:
mkdir <tmp mount dir>
mount /dev/fd0 <tmp mount dir>
The call back passed to util.mount_cb will do:
read <tmp mount dir>/<user_data_file>
s Failed modprobe: %ss /dev/fd0R& t timeouti s Failed udevadm_settle: %s
s- Failed to mount %s when looking for user dataN( R
t modprobe_floppyR R R R R4 t udevadm_settlet OSErrort mount_cbR t errnot ENOENTt MountFailedErrort userdata_rawt META_DATA_NOT_SUPPORTEDt metadataR2 ( R t
return_strt et
floppy_devt err( ( sH /usr/lib/python2.7/site-packages/cloudinit/sources/DataSourceAltCloud.pyR1 � s2 c C s� d } t j d � } x� | D]� } y) t j | t � } | rJ | | _ Pn Wq t k
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vSphere specific userdata read
If on vSphere the user data will be contained on the
cdrom device in file <user_data_file>
To access it:
Leverage util.mount_cb to:
mkdir <tmp mount dir>
mount /dev/fd0 <tmp mount dir>
The call back passed to util.mount_cb will do:
read <tmp mount dir>/<user_data_file>
s LABEL=CDROMs- Failed to mount %s when looking for user dataN( R
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Output%st ( R t subpt CMD_PROBE_FLOPPYR R/ t join( t outt _err( ( sH /usr/lib/python2.7/site-packages/cloudinit/sources/DataSourceAltCloud.pyR< s c C s t j | t � S( N( R t list_from_dependst datasources( t depends( ( sH /usr/lib/python2.7/site-packages/cloudinit/sources/DataSourceAltCloud.pyt get_datasource_list s ( t __doc__R@ R$ t os.patht cloudinitR t loggingR R t cloudinit.utilR t getLoggerRM R R' RR RD R R R R< t DEP_FILESYSTEMt DEP_NETWORKRW RY ( ( ( sH /usr/lib/python2.7/site-packages/cloudinit/sources/DataSourceAltCloud.pyt <module>
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