| Current File : //lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyc |
�
�jbc @ s d Z d d l m Z d d l Z d d l Z d d l Z d d l m Z d d l m Z d Z
e j e
� Z e j d e � Z
d Z d Z e j e � Z d
� Z d � Z d d � Z d
� Z d d d d � Z d � Z d d d � Z d � Z d � Z d S( s<
Mounts
------
**Summary:** configure mount points and swap files
This module can add or remove mountpoints from ``/etc/fstab`` as well as
configure swap. The ``mounts`` config key takes a list of fstab entries to add.
Each entry is specified as a list of ``[ fs_spec, fs_file, fs_vfstype,
fs_mntops, fs-freq, fs_passno ]``. For more information on these options,
consult the manual for ``/etc/fstab``. When specifying the ``fs_spec``, if the
device name starts with one of ``xvd``, ``sd``, ``hd``, or ``vd``, the leading
``/dev`` may be omitted.
In order to remove a previously listed mount, an entry can be added to the
mounts list containing ``fs_spec`` for the device to be removed but no
mountpoint (i.e. ``[ sda1 ]`` or ``[ sda1, null ]``).
The ``mount_default_fields`` config key allows default options to be specified
for the values in a ``mounts`` entry that are not specified, aside from the
``fs_spec`` and the ``fs_file``. If specified, this must be a list containing 7
values. It defaults to::
mount_default_fields: [none, none, "auto", "defaults,nobootwait", "0", "2"]
On a systemd booted system that default is the mostly equivalent::
mount_default_fields: [none, none, "auto",
"defaults,nofail,x-systemd.requires=cloud-init.service", "0", "2"]
Note that `nobootwait` is an upstart specific boot option that somewhat
equates to the more standard `nofail`.
Swap files can be configured by setting the path to the swap file to create
with ``filename``, the size of the swap file with ``size`` maximum size of
the swap file if using an ``size: auto`` with ``maxsize``. By default no
swap file is created.
**Internal name:** ``cc_mounts``
**Module frequency:** per instance
**Supported distros:** all
**Config keys**::
mounts:
- [ /dev/ephemeral0, /mnt, auto, "defaults,noexec" ]
- [ sdc, /opt/data ]
- [ xvdh, /opt/data, "auto", "defaults,nofail", "0", "0" ]
mount_default_fields: [None, None, "auto", "defaults,nofail", "0", "2"]
swap:
filename: <file>
size: <"auto"/size in bytes>
maxsize: <size in bytes>
i����( t
whitespaceN( t
type_utils( t utils& ^([x]{0,1}[shv]d[a-z][0-9]*|sr[0-9]+)$s [%s]+s
/etc/fstabs comment=cloudconfigc C sM | d k r t Sx6 d D]. } | j | � r | j d � d k r t Sq Wt S(
Nt amit roott swapt ephemeralt ebst :i����( R R R ( R R ( t Truet
startswitht findt False( t namet enumname( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt is_meta_device_nameT s
$c C s^ t | � d | f d | f g } x4 | D], } d | | f } t j j | � r* | Sq* Wd S( Ns p%ss -part%ss %s%s( t strt ost patht existst None( t device_patht partition_numbert potential_suffixest suffixt potential_partition_device( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt _get_nth_partition_for_device` s
c C s� t j j | � j d � d } t j j d | � } | d k rq t j j | t j j | � j d � d � } n t j j | � S( Nt /i����s /sys/block/( R R t realpatht splitt joinR R ( R t partition_patht device_namet sys_path( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt _is_block_devicej s (c C s3 | j d | � | } | d k r8 d } | j d � n t j | � \ } } t | � r� | } | | � } | su d S| j d � s� d | f } n | j d | | � n t j | � r� d | f } n d } | d k r� t | d � } n t | | � } | d k r d St | | � r/| d k r+| S| Sd S( Ns+ Attempting to determine the real name of %sR t
ephemeral0s2 Adjusted mount option from ephemeral to ephemeral0R s /dev/%ss Mapped metadata name %s to %si (
t debugR t expand_dotted_devnameR R R
t DEVICE_NAME_REt matchR R" ( t startnamet transformert logt devnameR R t origR ( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt sanitize_devnames s8 c s | d k r t j � d } n d � d � } i d d 6| d 6| d 6} | d k rk | d k rk | } n� | r� t j | � } | j | j } | | d <| d k r� t t | d � | � } q� | | d
k r� t | d
� } q� n | d k r� | } n | | d <d � d
� f d � � f d � f d � d � f d � � f d � f d � d � f g } d } xc | D][ \ } }
| | k rvt |
| � | � } | | d k r�| d � k r�d } Pn PqvqvW| d k r�| } n | | d <d } i } xH | j � D]: \ }
} t
| t � r=d | | | |
<q
| | |
<q
Wt j d | d | d | d | d | d � | S( Nt totali i i t nat availt max_int memi g�������?t maxi c S s | d S( Ni ( ( t x( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt <lambda>� s c s d � S( Ni ( ( R4 ( t GB( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyR5 � s c S s | S( N( ( R4 ( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyR5 � s i c s d � S( Ni ( ( R4 ( R6 ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyR5 � s i@ c S s | d S( Ni ( ( R4 ( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyR5 � s i t sizei s %s MBsC suggest %s swap for %s memory with '%s' disk given max=%s [max=%s]'i @i (
R R t read_meminfoR t statvfst f_frsizet f_bfreet mint intt itemst
isinstancet LOGR$ ( t memsizet maxsizet fsyst sugg_maxt infoR9 R0 t formulasR7 t topt funct MBt pinfot kt v( ( R6 s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt suggested_swapsize� sX
c s d � � � f d � } t j j | � } t j | � t j | � d � � d k ri | | | d � nc y | | | d � WnL t j k
r� } t j � | | d | � t j d � | | | d � n Xt j | d � y t j
d
| g � Wn$ t j k
rt j | � � n Xd S(
s Size is in MiB.s6 Failed to create swapfile '%s' of size %sMB via %s: %sc s� t j d | � | � | d k r; d d d | | g } n, | d k rg d d d | d d | g } n y t j | d
t �Wn< t j k
r� } t j � | | | | � t j | � n Xd S( Ns3 Creating swapfile in '%s' on fstype '%s' using '%s't fallocates -ls %sMt dds if=/dev/zeros of=%ss bs=1Ms count=%st capture( R@ R$ R t subpR t ProcessExecutionErrort warningt del_file( t fnameR7 t methodt cmdt e( t errmsgt fstype( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt create_swap� s
i t xfst btrfsRO RN s Will attempt with dd.i� t mkswapN( R\ R] ( R R t dirnameR t
ensure_dirt get_mount_infoRR R@ RS t chmodRQ RT ( RU R7 R[ t swap_dirRX ( ( RY RZ s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt create_swapfile� s&
c C s� t j j | � } t | � j � d k r� y t j � d } Wn t k
r_ t j d � d SXt j
| � t d | d | d | � } n t t | d � � } | s� t j d
� d St j
t j d d d
t d | | g �| S( s�
fname: full path string of filename to setup
size: the size to create. set to "auto" for recommended
maxsize: the maximum size
t autoR. s) Not creating swap: failed to read meminfoNRC RB RA i i s' Not creating swap: suggested size was 0t msgs Setting up swap fileRH t argsi ( R R R_ R t lowerR R8 t IOErrorR@ R$ R` RM R= t log_timeRd ( RU R7 RB Rc RA t mibsize( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt setup_swapfile s"
c C s� t | t � s t j d � d S| j d d � } | j d d � } | j d d � } | o_ | ss t j d � d St j j | � r.t j j d � s� t j d
| � | Sy[ xD t
j d � j � D]- } | j
| d � r� t j d | � | Sq� Wt j d
| � Wq.t k
r*t j d | � | SXn yk t | t � r^| d k r^t
j | � } n t | t � rt
j | � } n t d | d | d | � SWn# t k
r�} t j d | � n Xd S( sd handle the swap config, calling setup_swap if necessary.
return None or (filename, size)
s% input for swap config was not a dict.t filenames /swap.imgR7 i RB s no need to setup swapNs /proc/swapss: swap file %s exists, but no /proc/swaps exists, being safet s swap file %s already in uses+ swap file %s exists, but not in /proc/swapss. swap file %s exists. Error reading /proc/swapsRe RU s failed to setup swap: %s( R? t dictR@ RS R t getR$ R R R R t load_filet
splitlinesR
t ExceptionR t human2bytesRl ( t swapcfgRU R7 RB t lineRX ( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt handle_swapcfg+ sB
c + C s\ d } | j j � } | r$ d } n d d d | d d g } | j d | � } d d d | d d d g d
d d
d d d g g } g } d
| k r� | d
} n t j d | � g }
i } g } x~ t j t � j � D]g }
t
|
k r� | j |
� q� n y t j
|
� } Wn t k
r$n X|
| | d <|
j |
� q� WxVt t | � � D]B} t | | t � s�| j d | d t j | | � � qWn t | | d � } t | | j | � } | | k r�| j d | | f � n | d k r | j d | � qWn) | | k r4| j d | | | � qWn | | | d <xT t t | | � � D]< } | | | d k ryqYqYt | | | � | | | <qYWqWWx� t t | � � D]� } xq t t | � � D]] } t | | � | k r�| | j | | � q�| | | d k r�| | | | | <q�q�W| | d d k r�xD t | � D]3 } | | d | | d k rKd | | d <qKqKWq�q�Wx| D]� } | d } t | | j | � } | | k r�| j d | | f � n | d k r�| j d | � q�n) | | k r&| j d | | | � q�n | | d <t } x, | D]$ } | d | d k r=t } Pq=q=W| r�| j d | � q�n | j | � q�Wg } xB | D]: } | d d k r�| j d | d � q�| j | � q�Wt | j d
i � � } | r | j | d d
d d d g � n t | � d k r@| j d � d Sg } t } t } g } x| | D]t }
d |
d t
f |
d <|
d d
k r�t } n |
d j d � r�| j |
d � n | j d j |
� � q_Wg t j � j � D]" \ } } d | k r�| d ^ q�} xb | D]Z } y t j! | � Wn$ t k
rVt j" | d | � n X| r| | k rt } qqWg | D] }! t j# d |! � ^ q~}" g | D] }! t j# d |! � ^ q�}# g |# D] }$ |$ |" k r�d! |$ ^ q�g |" D] }% |% |# k r�d" |% ^ q�}& |
j$ | � d# d$ j |
� }' t j% t |' � g }( | rc|( j d% d& g � n t |& � d k r�| j d' � n | j d( |& � t } | r�|( j d) d& g � | r�|( j d* d+ g � q�n d, }) x| |( D]t }* d- d j |* � }) y! t j& |* � | j |) d. � Wq�t j' k
rS| j |) d/ � t j" | |) d/ � q�Xq�Wd S(0 Ns defaults,nobootwaits5 defaults,nofail,x-systemd.requires=cloud-init.serviceRe t 0t 2t mount_default_fieldsR# s /mnti R t nonet swt mountss mounts configuration is %si s, Mount option %s not a list, got a %s insteadi s changed %s => %ss# Ignoring nonexistent named mount %ss& Device %s already defined in fstab: %ss changed default device %s => %ss+ Ignoring nonexistent default named mount %ss- Not including %s, already previously includeds$ Skipping nonexistent device named %ss No modifications to fstab neededs %s,%si R s t
mountpoints Failed to make '%s' config-mountRn s - s + s %s
s
t swapons -as No changes to /etc/fstab made.s Changes to fstab: %st mountt systemctls
daemon-reloads# Activating swap and mounts with: %ss Activate mounts: %s:t PASSt FAIL(( t distrot uses_systemdR Rp R@ R$ R Rq t
FSTAB_PATHRr t MNT_COMMENTt appendt WSR Rs t ranget lenR? t listRS R t obj_nameR R- t device_name_to_deviceRE R R Rw R
R R} R> R` t logexct subt extendt
write_fileRQ RR (+ t _namet cfgt cloudR* t _argst def_mnt_optsR� t defvalst defmntst cfgmntt fstab_linest
fstab_devst
fstab_removedRv t tokst it startt sanitizedt jt defmntt
cfgmnt_hast cfgmt actlistR4 t swaprett cc_linest needswapt need_mount_allt dirsRK RL t mount_pointst dt nt saddst sdropst dropt addt sopst contentst
activate_cmdst fmtRW ( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt handleX s
$
"
%%&*
( t __doc__t stringR t loggingt os.pathR t ret cloudinitR R t DEVICE_NAME_FILTERt compileR& R� R� R� t getLoggert __name__R@ R R R R" R- RM Rd Rl Rw R� ( ( ( s> /usr/lib/python2.7/site-packages/cloudinit/config/cc_mounts.pyt <module>? s*
(G , -