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@ s d Z d d l Z d d l m Z d d l m Z d d l m Z m Z d d l
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6d d 6e d ƒ d 6e d 6e d ƒ e d ƒ e d ƒ g d 6e d 6d d 6i i d d 6i i d d g d 6i d d 6d 6e d 6d d 6d d 6e d! 6d" 6i d d g d 6i i d d 6i d d 6d 6i d d 6g d# 6d 6e d 6d d 6d d 6d$ 6i d% d 6d& 6d' 6e d( 6g d) 6d d 6d* 6d' 6Z e e ƒ Z d* Z d+ Z d, „ Z d- „ Z d. „ Z d/ „ Z d S(0 s< Snap: Install, configure and manage snapd and snap packages.iÿÿÿÿN( t dedent( t log( t get_schema_doct validate_cloudconfig_schema( t PER_INSTANCE( t prepend_base_command( t utilt ubuntut cc_snapt idt Snapt names5 Install, configure and manage snapd and snap packagest titles, This module provides a simple configuration namespace in cloud-init to
both setup snapd and install snaps.
.. note::
Both ``assertions`` and ``commands`` values can be either a
dictionary or a list. If these configs are provided as a
dictionary, the keys are only used to order the execution of the
assertions or commands and the dictionary is merged with any
vendor-data snap configuration provided. If a list is provided by
the user instead of a dict, any vendor-data snap configuration is
ignored.
The ``assertions`` configuration option is a dictionary or list of
properly-signed snap assertions which will run before any snap
``commands``. They will be added to snapd's assertion database by
invoking ``snap ack ``.
Snap ``commands`` is a dictionary or list of individual snap
commands to run on the target system. These commands can be used to
create snap users, install snaps and provide snap configuration.
.. note::
If 'side-loading' private/unpublished snaps on an instance, it is
best to create a snap seed directory and seed.yaml manifest in
**/var/lib/snapd/seed/** which snapd automatically installs on
startup.
**Development only**: The ``squashfuse_in_container`` boolean can be
set true to install squashfuse package when in a container to enable
snap installs. Default is false.
t descriptiont distrosst snap:
assertions:
00: |
signed_assertion_blob_here
02: |
signed_assertion_blob_here
commands:
00: snap create-user --sudoer --known @mydomain.com
01: snap install canonical-livepatch
02: canonical-livepatch enable
sÑ # LXC-based containers require squashfuse before snaps can be installed
snap:
commands:
00: apt-get install squashfuse -y
11: snap install emoj
s‹ # Convenience: the snap command can be omitted when specifying commands
# as a list and 'snap' will automatically be prepended.
# The following commands are equivalent:
snap:
commands:
00: ['install', 'vlc']
01: ['snap', 'install', 'vlc']
02: snap install vlc
03: 'snap install vlc'
t examplest frequencyt objectt typet arrayt stringt itemst additionalItemsi t minItemst
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assertionst oneOft commandst booleant squashfuse_in_containert
propertiest additionalPropertiest requiredt snaps( /var/lib/cloud/instance/snapd.assertionsc C sâ | s
d St j d ƒ t | t ƒ r5 | j ƒ } n* t | t ƒ s_ t d j d | ƒ ƒ ‚ n t d g } d j | ƒ } x. | D]& } t j d | j
d ƒ d d !ƒ q Wt j t
| j d
ƒ ƒ t j | t
g d t ƒd S( s Import list of assertions.
Import assertions by concatenating each assertion into a
string separated by a '
'. Write this string to a instance file and
then invoke `snap ack /path/to/file` and check for errors.
If snap exits 0, then all assertions are imported.
Ns' Importing user-provided snap assertionss8 assertion parameter was not a list or dict: {assertions}R t acks
s Snap acking: %si i s utf-8t capture( t LOGt debugt
isinstancet dictt valuest listt TypeErrort formatt SNAP_CMDt joint splitR t
write_filet ASSERTIONS_FILEt encodet subpt True( R t snap_cmdt combinedt asrt( ( s< /usr/lib/python2.7/site-packages/cloudinit/config/cc_snap.pyt add_assertions‡ s
$c C s= | s
d St j d ƒ t | t ƒ rT g t | j ƒ ƒ D] \ } } | ^ q9 } n* t | t ƒ s~ t d j d | ƒ ƒ ‚ n t d | ƒ } g } xl | D]d } t | t
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sM Run the provided commands provided in snap:commands configuration.
Commands are run individually. Any errors are collected and reported
after attempting all commands.
@param commands: A list or dict containing commands to run. Keys of a
dict will be used to order the commands provided as dict values.
Ns# Running user-provided snap commandss5 commands parameter was not a list or dict: {commands}R R" t shellt status_cbs. Failures running snap commands:
{cmd_failures}t cmd_failures( R% R& R' R( t sortedR R* R+ R, R t strR R3 t syst stderrt writet ProcessExecutionErrort appendt logexct RuntimeError( R t _t vt fixed_snap_commandsR; t commandR9 t et msg( ( s< /usr/lib/python2.7/site-packages/cloudinit/config/cc_snap.pyt run_commands£ s,
.
# c C sŠ t j ƒ s d Sy | j j ƒ Wn$ t k
rG t j t d ƒ ‚ n Xy | j j d g ƒ Wn$ t k
r… t j t d ƒ ‚ n Xd S( s, Install squashfuse if we are in a container.Ns Package update failedt
squashfuses Failed to install squashfuse( R t is_containert distrot update_package_sourcest ExceptionRC R% t install_packages( t cloud( ( s< /usr/lib/python2.7/site-packages/cloudinit/config/cc_snap.pyt maybe_install_squashfuseÈ s
c C s‘ | j d i ƒ } | s, t j d | ƒ d St | t ƒ t j | j d t ƒ ƒ ra t | ƒ n t | j d g ƒ ƒ t
| j d g ƒ ƒ d S( NR" s8 Skipping module named %s, no 'snap' key in configurationR R R ( t getR% R& R t schemaR t is_truet FalseRS R8 RK ( R t cfgRR R t argst cfgin( ( s< /usr/lib/python2.7/site-packages/cloudinit/config/cc_snap.pyt handleØ s
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