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jbc @ s d d l Z d d l Z d d l Z d d l Z d d l m Z d d l m Z d d l m Z d d l
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Z d d Z d Z d Z d Z d Z d Z d Z d Z d d Z d Z! d Z" d d Z# d d Z$ d d Z% d Z& d Z' d Z( d Z) d Z* d! Z+ d" Z, d# Z- d$ e. f d% YZ/ d& Z0 d d' Z1 d d d( Z2 d) Z3 e4 d* Z5 e4 e4 d+ Z6 e7 d, Z8 e4 d- Z9 e4 e4 d d. Z: d/ Z; d0 Z< d1 Z= d2 Z> d3 Z? d4 Z@ d5 eA f d6 YZB d7 eC f d8 YZD d S(9 iN( t partial( t mask_to_net_prefix( t util( t UrlErrort readurls /sys/class/net/t eth0s ([0-9]+)c C sA g t j | | D]* } | j r1 t | n | j ^ q S( sD Sorting for Humans: natural sort order. Can be use as the key to sort
functions.
This will sort ['eth0', 'ens3', 'ens10', 'ens12', 'ens8', 'ens0'] as
['ens0', 'ens3', 'ens8', 'ens10', 'ens12', 'eth0'] instead of the simple
python way which will produce ['ens0', 'ens10', 'ens12', 'ens3', 'ens8',
'eth0'].( t ret splitt isdigitt intt lower( t st _nsret text( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt natural_sort_key s c C s t S( s3 Simple function to return the global SYS_CLASS_NET.( t
SYS_CLASS_NET( ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt get_sys_class_path" s t c C s t | d | S( Nt /( R ( t devnamet path( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt sys_dev_path' s c
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f k r | d k r | | Sn n X| j } | d k r | Sy | | SWn? t k
r} | d k r | | St
j d | | n Xd S( Nt errnos5 Found unexpected (not translatable) value '%s' in '%s( R R t load_filet OSErrort IOErrort getattrt NoneR t ENOENTt ENOTDIRt EINVALt stript KeyErrort LOGt debug(
R R t translatet on_enoentt on_keyerrort on_einvalt dev_patht contentst et e_errno( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt read_sys_net+ s.
c C s. d } t | | d | d | d | d | S( Nc S s t S( N( t False( R) ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt
on_excp_falseI s R% R$ R& R# ( R+ ( t ifacet fieldR# R- ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt read_sys_net_safeH s c C sF t | | } | t k r d Sy t | SWn t k
rA d SXd S( N( R0 R, R R t
ValueError( R. R/ t val( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt read_sys_net_intR s
c C s. i t d 6t d 6t d 6} t | d d | S( Nt upt unknownt downt operstateR# ( t TrueR, R0 ( R R# ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_up\ s c C s t j j t | d S( Nt wireless( t osR t existsR ( R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_wirelessd s c C s t j j t | d S( Nt bridge( R; R R< R ( R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_bridgeh s c C s t j j t | d S( Nt bonding( R; R R< R ( R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_bondl s c C s, t | d d } t j j | r( | Sd S( s8 Return the master path for devname, or None if no masterR t masterN( R R; R R< R ( R R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt
get_masterp s c C sh t | } | d k r t St j j | d } t j j | d } t j j | pg t j j | S( s@ Return a bool indicating if devname's master is a bridge or bondR@ R> N( RC R R, R; R t joinR< ( R t master_patht bonding_patht bridge_path( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt master_is_bridge_or_bondx s c C sA | d k r t | } n t | | s9 t | | r= t St S( s netfailover driver uses 3 nics, master, primary and standby.
this returns True if the device is either the primary or standby
as these devices are to be ignored.
N( R t
device_drivert is_netfail_primaryt is_netfail_standbyR8 R, ( R t driver( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_netfailover s c C s1 d } y t | d } Wn t k
r, n X| S( sE Returns a str from reading /sys/class/net//device/features.R s device/features( R+ t Exception( R t features( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt get_dev_features s
c C s7 t | } | s% t | d k r) t S| d d k S( s Return True if VIRTIO_NET_F_STANDBY bit (62) is set.
https://github.com/torvalds/linux/blob/ 089cf7f6ecb266b6a4164919a2e69bd2f938374a/ include/uapi/linux/virtio_net.h#L60
i@ i> t 1( RP t lenR, ( R RO ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt has_netfail_standby_feature s c C sU t | d k r t S| d k r1 t | } n | d k rA t St | sQ t St S( s A device is a "netfail master" device if:
- The device does NOT have the 'master' sysfs attribute
- The device driver is 'virtio_net'
- The device has the standby feature bit set
Return True if all of the above is True.
t
virtio_netN( RC R R, RI RS R8 ( R RL ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_netfail_master s c C s t | d d } t j j | s( t S| d k rC t | } n | d k rS t St j j t j j | } t | } | d k r t St | } | s t St
S( sL A device is a "netfail primary" device if:
- the device has a 'master' sysfs file
- the device driver is not 'virtio_net'
- the 'master' sysfs file points to device with virtio_net driver
- the 'master' device has the 'standby' feature bit set
Return True if all of the above is True.
R RB RT N( R R; R R< R, R RI t basenamet realpathRS R8 ( R RL t master_sysfs_patht master_devnamet
master_drivert master_has_standby( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyRJ s c C sU t | d k r t S| d k r1 t | } n | d k rA t St | sQ t St S( s A device is a "netfail standby" device if:
- The device has a 'master' sysfs attribute
- The device driver is 'virtio_net'
- The device has the standby feature bit set
Return True if all of the above is True.
RT N( RC R R, RI RS R8 ( R RL ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyRK s c C s) t | d } | r% | d k r% t St S( s
/* interface name assignment types (sysfs name_assign_type attribute) */
#define NET_NAME_UNKNOWN 0 /* unknown origin (not exposed to user) */
#define NET_NAME_ENUM 1 /* enumerated by kernel */
#define NET_NAME_PREDICTABLE 2 /* predictably named by the kernel */
#define NET_NAME_USER 3 /* provided by user-space */
#define NET_NAME_RENAMED 4 /* renamed by user-space */
t name_assign_typet 3t 4( R] R^ ( R0 R8 R, ( R R\ ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt
is_renamed s c C s% t t | d } d | j k S( Nt uevents DEVTYPE=vlan( t strR0 t
splitlines( R R` ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_vlan s c C s` t | d } | d k r t St | s/ t St j d | t | d d i t d 6t d 6S( Nt iflinkt 2s/ '%s' is wireless, basing 'connected' on carriert carrierR# t 0RQ ( R0 R8 R= R, R! R" ( R Rd ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_connected s c C s t j j t | d S( Nt device( R; R R< R ( R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_physical s c C s t j j t | S( N( R; R R< R ( R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt
is_present s c C sI d } t | d } t j j | rE t j j t j | } n | S( s8 Return the device driver for net device named 'devname'.s
device/driverN( R R R; R t islinkRV t readlink( R RL t driver_path( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyRI ! s
c C s# t | d } | t k r d S| S( s; Return the device id string for net device named 'devname'.s
device/deviceN( R0 R, R ( R t dev_id( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt device_devid, s c C sN y t j t } Wn1 t k
rI } | j t j k rC g } qJ n X| S( N( R; t listdirR R R R ( t devsR) ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt get_devicelist5 s t ParserErrorc B s e Z d Z RS( s6 Raised when a parser has issue parsing a file/content.( t __name__t
__module__t __doc__( ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyRt @ s c C s. | s t | t r t S| j d d k S( Nt configt disabled( t
isinstancet dictR, t get( t cfg( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt is_disabled_cfgD s c C s` | s g } n d t j k r1 t j d nv g t D]% } | d k r; t | r; | ^ q; } t | r t j d | d } t j t j | d t j n t d g } t g t D] } t
| | k r | ^ q } | j | } g } g } x | D] } | j d r'q n t
| r9q n t | rKq n t | r]q n t | d } | r| j | q n t | d }
|
r| j | q n t | d
} | d k r | j | q q q W| r| } n | } t t | d t } t | k r8| j t | j d t n x! | D] }
t |
d r?|
Sq?Wd S( s1 Return the name of the 'fallback' network device.s
net.ifnames=0s9 Stable ifnames disabled by net.ifnames=0 in /proc/cmdlinet los4 Found unstable nic names: %s; calling udevadm settles! Waiting for udev events to settlet funct vethRf t dormantR7 R6 t lowerlayerdownR5 t keyi t address( s dormants downR s unknownN( R t get_cmdlineR! R" Rs R_ RR t log_timet udevadm_settlet setRI t
differencet
startswithR? RA RM R3 t appendR0 t listt sortedR t DEFAULT_PRIMARY_INTERFACEt removet insertR ( t blacklist_driversRi t unstablet msgt invalid_interfacest potential_interfacest connectedt possibly_connectedt interfaceRf R R7 t namest name( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt find_fallback_nicJ sd %
c C s | s t } n t d | } | s( d St | rD i | d 6} n i t | d j d 6} i t d 6| d 6| d 6} | r t | } | r | | d d y t t | Wn# t k
r9 } t d | n Xd S( s read the network config and rename devices accordingly.
if strict_present is false, then do not raise exception if no devices
match. if strict_busy is false, then do not raise exception if the
device cannot be renamed because it is currently configured.
renames are only attempted for interfaces of type 'physical'. It is
expected that the network system will create other devices with the
correct name in place.s( Failed to apply network config names: %sN( t _rename_interfacesR R ( R t strict_presentt strict_busyR) ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt apply_network_config_names s
c C s> t | d } | d k r4 | r0 t d n t S| d k S( s return True if the provided interface has its own address.
Based on addr_assign_type in /sys. Return true for any interface
that does not have a 'stolen' address. Examples of such devices
are bonds or vlans that inherit their mac from another device.
Possible values are:
0: permanent address 2: stolen from another device
1: randomly generated 3: set using dev_set_mac_addresst addr_assign_types %s had no addr_assign_type.i i i N( i i i ( R3 R R1 R8 ( t ifnameR t assign_type( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt interface_has_own_mac s
c
C sJ i } x] t D]R \ } } } } i d d 6| d 6| d 6| j d 6| d 6t | d 6| | f s ( R{ R ( t bymac( R ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt
update_bynamee s c S s) t j d d d | d | g d t d S( NR t linkR R R ( R R R8 ( t curt new( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt renamei s c S s& t j d d d | d g d t d S( NR R R R6 R ( R R R8 ( R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyR6 l s c S s& t j d d d | d g d t d S( NR R R R4 R ( R R R8 ( R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyR4 o s s
cirename%dic S s | r@ | r@ | r@ | d | k o? | d | k o? | d | k S| rj | rj | d | k oi | d | k S| r~ | d | k St S( s match if set and in dataR RL R ( R, ( R R RL R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt entry_matchy s c s g j D]! } | | | | r
| ^ q
} t | r t | d k rw d | | | | f } t | n | d Sd S( Ni sj Failed to match a single device. Matched devices "%s" with search values "(mac:%s driver:%s device_id:%s)"i ( R RR R1 R ( R RL R R R R ( R R ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt
find_entry s ! s< [nic not present] Cannot rename mac=%s to %s, not available.R4 s* [busy] Error renaming mac=%s from %s to %sR R6 s2 [busy-target] Error renaming mac=%s from %s to %s.i R i s( unable to do any work for renaming of %ss$ no work necessary for renaming of %ss$ achieving renaming of %s with ops %ss. [unknown] Error performing %s%s for %s, %s: %ss
(
RR R! R" R R t itemst copyR| R
R R, RN RD ( t renamesR R t current_infoR R R R R R6 R4 t opst errorst upst
cur_bynamet tmpname_fmtt tmpiR R t new_nameRL R t cur_opst cur_nameR t targett tmp_namet opmapt opR R) ( ( R R s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyR S s
"#
c C s7 d } t j j t | d r* d } n t | | S( s6 Returns the string value of an interface's MAC AddressR t
bonding_slaves bonding_slave/perm_hwaddr( R; R t isdirR R0 ( R R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt get_interface_mac s c C sM t | d d k rI t | } | rE | rE | d d !| d } n | Sd S( s Returns the string value of an Infiniband interface's hardware
address. If ethernet_format is True, an Ethernet MAC-style 6 byte
representation of the address will be returned.
R t 32i$ ii3 N( R0 R ( R t ethernet_formatR ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt get_ib_interface_hwaddr s
c C s i } x t D] \ } } } } | | k rN t d | | | | f n | | | Perform ephemeral network setup if interface is not connected.s= Skip ephemeral network setup, instance has connectivity to %sN( R R
R! R" t _bringup_deviceR t _bringup_static_routesR t _bringup_router( R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt __enter__ s
c C s+ x$ | j D] } t j | d t q
Wd S( s Teardown anything we set up.R N( R R R R8 ( R t excp_typet
excp_valuet excp_tracebackt cmd( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt __exit__ s c C s< t j d d d d d d | | f d | j g d t d S(
s7 Perform the ip command to remove the specified address.R s -familyt inetR t dels %s/%st devR N( R R R R8 ( R R R ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt _delete_address s c C sK d j | j | j } t j d | j | | j yH t j d d d d d | d | j d | j g
d
t d i d d
6WnD t j
k
r } d | j k r n t j d | j | j n Xt j d d d d d d | j d g d
t | j j
d d d d d d | j d g | j j
d d d d d | d | j g d S( s1 Perform the ip comands to fully setup the device.s {0}/{1}s: Attempting setup of ephemeral network on %s with %s brd %sR s -familyR# R t addR R% R t
update_envt Ct LANGs File existss7 Skip ephemeral network setup, %s already has address %sR R R4 R6 R$ N( R R R R! R" R R R R R8 t ProcessExecutionErrort stderrR R ( R t cidrR) ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyR s0
c C s x | j D] \ } } g } | d k r7 d | g } n t j d d d d | g | d | j g d t | j j d d d d d
| g | d | j g q
Wd S( Ns 0.0.0.0/0t viaR s -4t routeR R% R i R$ ( R R R R R8 R R ( R t net_addresst gatewayt via_arg( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyR s c C s$ t j d d d d g d t \ } } d | k rS t j d | j | j d St j d d d d
| j d | j d | j g d t | j j
d
d d d d | j d | j d | j g t j d d d d
d d | j d | j g d t | j j
d
d d d d d d | j g d S( s< Perform the ip commands to fully setup the router if needed.R R/ R s 0.0.0.0/0R t defaults< Skip ephemeral route setup. %s already has default route: %sNs -4R' R% t srci R$ R. ( R R R8 R! R" R R R R R R ( R t outR ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyR s$ ' N( Ru Rv Rw R R R R" R& R R R ( ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyR V s t RendererNotFoundErrorc B s e Z RS( ( Ru Rv ( ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyR6 s (E R t loggingR; R t functoolsR t cloudinit.net.network_stateR t cloudinitR t cloudinit.url_helperR R t getLoggerRu R! R R R R R R R R+ R0 R3 R9 R= R? RA RC RH RM RP RS RU RJ RK R_ Rc Rh Rj Rk RI Rp Rs RN Rt R~ R R R R8 R R R, R R R R R R R R R
t objectR R R6 ( ( ( s: /usr/lib/python2.7/site-packages/cloudinit/net/__init__.pyt sr
! K 1 % +