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ZF d= ZG e jH d d> ZJ d S(? s See L{WatchDog}.
The WatchDog must run as root, because it spawns the Landscape Manager.
The main C{landscape-client} program uses this watchdog.
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RLIMIT_NOFILE( t reactor( t Deferredt succeed( t ProcessProtocol( t ProcessExitedAlready( t Servicet Application( t startApplication( t init_loggingt
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BootstrapListt
BootstrapFilet BootstrapDirectory( t rotate_logs( t RemoteBrokerConnectort RemoteMonitorConnectort RemoteManagerConnector( t LandscapeReactor( t discover_server( t# fetch_base64_ssl_public_certificatet$ decode_base64_ssl_public_certificatei
i i t DaemonErrorc B s e Z d Z RS( s( One of the daemons could not be started.( t __name__t
__module__t __doc__( ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR , s t TimeoutErrorc B s e Z d Z RS( s Something took too long.( R R R ( ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR 0 s t ExecutableNotFoundErrorc B s e Z d Z RS( s An executable was not found.( R R R ( ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR! 4 s t Daemonc B s e Z d Z d Z d Z d Z d Z e e d d Z
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Z d Z d Z RS( sq A Landscape daemon which can be started and tracked.
This class should be subclassed to specify individual daemon.
@cvar program: The name of the executable program that will start this
daemon.
@cvar username: The name of the user to switch to, by default.
@cvar service: The DBus service name that the program will be expected to
listen on.
@cvar max_retries: The maximum number of retries before giving up when
trying to connect to the watched daemon.
@cvar factor: The factor by which the delay between subsequent connection
attempts will increase.
@param connector: The L{ComponentConnector} of the daemon.
@param reactor: The reactor used to spawn the process and schedule timed
calls.
@param verbose: Optionally, report more information when running this
program. Defaults to False.
t landscapei g?c C s' | | _ | | _ t j j | _ t j } | d k r t j | j } | j
} | j } | | k rx | | _ n d | _ | t j k r | | _ n d | _ | j | j d <| j | j d <| j | j d <n d | _ d | _ | | _ | | _ d | _ d | _ d | _ t | _ d S( Ni t HOMEt USERt LOGNAME( t
_connectort _reactort ost environt copyt _envt getuidt pwdt getpwnamt usernamet pw_uidt pw_gidt _uidt Nonet getgidt _gidt pw_dirt _verboset _configt _processt
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target_gid( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt __init__S s2 c C si t j j t j j t j d } t j j | | j } t j j | se t d | f n | S( s Find the fully-qualified path to the executable.
If the executable can't be found, L{ExecutableNotFoundError} will be
raised.
i s %s doesn't exist(
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s | j d n | j r | j d | j g n | j d k r| j | j n | j j | j | d | d | j d
| j d | j d S( s Start this daemon.i s Can't keep %s running. Exiting.Ni s --ignore-sigints --quiets -ct argst envt uidt gid( R4 R: t timeR; t RESTART_BURST_DELAYR< t MAXIMUM_CONSECUTIVE_RESTARTSR RN R( t stopt WatchedProcessProtocolRQ R8 t appendR9 t extendt optionst spawnProcessR, R3 R6 ( R? t nowt exeRR ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt start s*
c C s | j s t d S| j j S( s Stop this daemon.N( R: R R4 t kill( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRY s
c sg f d } j j j j d t } | j f d | j | | j d | S( s Connect to the remote daemon over AMP and perform the given command.
@param name: The name of the command to perform.
@param args: Arguments list to be passed to the connect method
@param kwargs: Keywords arguments to pass to the connect method.
@return: A L{Deferred} resulting in C{True} if the command was
successful or C{False} otherwise.
@see: L{RemoteLandscapeComponentCreator.connect}.
c s j j t S( N( R' t
disconnectR= ( t ignored( R? ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRc s
t quietc s t | S( N( t getattr( t remote( t name( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt <lambda> s c S s t S( N( t False( t x( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRi s ( R' t connectt max_retriest factorR= t addCallbackt
addErrback( R? Rh RR t kwargsRc t connected( ( Rh R? s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt _connect_and_call s
c C s
| j d S( Nt exit( Rs ( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt request_exit s c C s
| j d S( Nt ping( Rs ( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt
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Return a Deferred which will fire when the process has died.
N( R: R R4 t wait( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRx s
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Wait for the process to die for C{GRACEFUL_WAIT_PERIOD}. If it hasn't
died by that point, send it a SIGTERM. If it doesn't die for
C{SIGKILL_DELAY},
N( R: R R4 t wait_or_die( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRy s
c C s
t | _ d S( s Called by the watchdog when starting to shut us down.
It will prevent our L{WatchedProcessProtocol} to restart the process
when it exits.
N( Rj R> ( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt prepare_for_shutdown s c C s | j S( s> Return a boolean indicating if the daemon should be restarted.( R> ( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt
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A process-watching protocol which sends any of its output to the log file
and restarts it when it dies.
c C s( | | _ d | _ d | _ d | _ d S( N( t daemonR4 t _wait_resultt _delayed_really_killt _delayed_terminate( R? R ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRG s c C s | j | j S( N( t
_terminateRx ( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRb s
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n d S( Ns %s didn't exit. Sending SIGTERM( t transportR4 R R RN t
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R R R t SIGKILLR R R RN R4 R ( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR s
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c C s/ | j j d k r t d St | _ | j S( N( R t pidR4 R R R ( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRx s
c C s( t j t | j d t | _ | j S( NR ( R R t GRACEFUL_WAIT_PERIODR R= R Rx ( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRy & s c C s t j j | d S( N( RK t stdoutt write( R? t data( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt outReceived+ s c C s t j j | d S( N( RK t stderrR ( R? R ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt errReceived/ s c C s | j d k r | j j n | j d k rM | j j rM | j j n | j d k ro | j j d n | j j r | j j n d S( s" The process has ended; restart it.N(
R R4 t cancelR t activeR t callbackR R{ Ra ( R? t reason( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt processEnded2 s ( R R R Rj t _killedRG Rb R R R Rx Ry R R R ( ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRZ s t WatchDogc B sk e Z d Z e e d d d d d d Z d Z d Z d Z d Z
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The Landscape WatchDog starts all other landscape daemons and ensures that
they are working.
c s t } | d k r' t t t g } n | d k rf t | k rf t t | | d | d | j } n | d k r t | k r t t | | d | d | j } n | d k r t | k r t t | | d | d | j } n | _ | _
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_ qWn i _ d S( NRA RB c s j j S( N( t callFromThreadt _notify_rotate_logs( R t frame( R? R ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRi a s i s --cloness --start-clones-over( R R4 R| R} R~ R RB R R t brokert monitort managert filtert daemonsR t _checkingRj t _stoppingR R t clonest strt start_clones_overR] t _ping_failures( R? R RA RB R R R t enabled_daemonst landscape_reactorR] R ( ( R? R s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRG E s> $ c C sb g } x= | j D]2 } | j } | j | d | j | q Wd } t | j | S( s6 Return a list of any daemons that are already running.c S s
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Start all daemons. The broker will be started first, and no other
daemons will be started before it is running and responding to DBUS
messages.
@return: A deferred which fires when all services have successfully
started. If a daemon could not be started, the deferred will fail
with L{DaemonError}.
N( R Ra t start_monitoring( R? R ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRa z s
c C s | j j d | j | _ d S( s; Start monitoring processes which have already been started.i N( R R t _checkR ( R? ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR s c s | r j r t d j f j k rD d j <n j c d 7< j d k r t d j f j } f d } | j | | Sn
d j <d S( Ns %s failed to respond to a ping.i i i s %s died! Restarting.c s j d j <d S( Ni ( Ra R ( Rd ( R R? ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt stopped s
( R R RN R RY t addBoth( R? Rw R t stoppingR ( ( R R? s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt _restart_if_not_running s
c sl g } x= j D]2 } | j } | j j | | j | q W f d } t | j | d S( Nc s j j d j _ d S( Ni ( R R R R ( Rd ( R? ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt
reschedule s ( R Rw Ro R R[ R R ( R? t all_runningR Rw R ( ( R? s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR s c s j d k r. j j r. j j n t _ x j D] } | j qA W f d } j j } | j
| S( Nc sa | r+ g j D] } | j ^ q } n, t d g j D] } | j ^ q? } t | S( NsF Couldn't request that broker gracefully shut down; killing forcefully.( R Ry R RY R ( t broker_stoppedR R Rk ( R? ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt terminate_processes s
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"( R R4 R R R= R R Rz R Ru Ro ( R? R R R ( ( R? s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRu s c C s) x | j D] } | j q
Wt d S( N( R R ( R? R ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR s N( R R R R Rj R4 RG R Ra R R R Ru R ( ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR ? s $ t WatchDogConfigurationc B s e Z d Z d Z RS( c C sd t t | j } | j d d d d d | j d d d d d | j d
d d d d | S( Ns --daemont actiont
store_truet helps Fork and run in the background.s
--pid-filet typeR s The file to write the PID to.s --monitor-onlysb Don't enable management features. This is useful if you want to run the client as a non-root user.( t superR t make_parsert
add_option( R? t parser( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR s c C s) t t g } | j s% | j t n | S( N( R| R} t monitor_onlyR[ R~ ( R? R ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt get_enabled_daemons s ( R R R R ( ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR s c C s t j r t j d n t j t j rB t j d n t j d t j d t j } xV t d D]H } y t j | | Wqq t k
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R) t forkt _exitt setsidt umaskt opent O_RDWRt ranget dup2t OSErrort errnot EBADFt close( t nullt it e( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt daemonize s
t WatchDogServicec B s> e Z d Z d Z d Z d Z d Z d Z RS( c C s> | | _ t d | j d | d | j | _ d | _ d S( NRA RB R i ( R9 R R R t watchdogt exit_code( R? RB ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRG s
c sQ f d } d } t j j j j } | j | | j | | S( sR
Autodiscover called if config setting config.server_autodiscover is
True. This method allows the watchdog to attempt server autodiscovery,
fetch the discovered landscape server's custom CA certificate, and
write both the certificate and the updated config file with the
discovered values.
c s | d k r t d n t d | t j _ d | j _ d | j _ j j s t | d t d t } | r | j _ t
j q n j j | S( NsM Autodiscovery returned empty hostname string. Reverting to previous settings.sJ Autodiscovery found landscape server at %s. Updating configuration values.s https://%s/message-systems http://%s/pingt on_infot on_error( R4 R R Rj R9 t server_autodiscovert urlt ping_urlt ssl_public_keyR R R ( t hostnameR ( R? ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt
update_config s
c S s t d d S( Ns6 Autodiscovery failed. Reverting to previous settings.( R ( R ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt discovery_error s ( R R9 t autodiscover_srv_query_stringt autodiscover_a_query_stringRo Rp ( R? R R t lookup_deferred( ( R? s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt autodiscover s
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} | j | | j | | S( Nt data_patht log_diri id i i( t MethodCallSenderi, s -clone-%dc s
j S( N( R ( t _( R? ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRi < s c s
j j S( N( R R ( R ( R? ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyRi = s c s_ | r> t d d j d | D d _ t j d S j t d j j S( Ns4 ERROR: The following daemons are already running: %ss , c s s | ] } | j Vq d S( N( RN ( t .0Rk ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pys <genexpr>B s i s Watchdog watching for daemons.( R RM R R t crasht
_daemonizeR R Ra ( t running_daemons( R? ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt start_if_not_running? s
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t startServicet bootstrap_listt bootstrapR9 R R R R R t landscape.lib.ampR t timeoutR R R4 R Ro Rp ( R? R R t suffixR R R ( ( R? s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR # s,
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R9 R R t pid_fileR R R R) t getpidR ( R? t stream( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR R s c sV t d t j t j t j t j j j } | j f d | S( Ns Stopping client...c s
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t stopServiceR t SIGINTt SIG_IGNR Ru R ( R? t done( ( R? s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR Z s
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k rz t j | qz n d S( N( R9 R R4 R) t accesst W_OKR t readR R R t unlink( R? R R R ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR f s !
( R R RG R R R R R ( ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyR s ' / s
$data_pathR# R i s $data_path/packages $data_path/package/hash-ids $data_path/package/binariess $data_path/package/upgrade-tools $data_path/messagess $data_path/socketsi s $data_path/custom-graph-scriptss $log_dirs $data_path/package/databasei c C sF x? t j j D]. } | j d s1 | d k r t j | =q q Wd S( sH Unset dangerous environment variables.
In particular unset all variables beginning with DEBIAN_ or DEBCONF_,
to avoid any problems when landscape-client is invoked from its
postinst script. Some environment variables may be set which would affect
*other* maintainer scripts which landscape-client invokes.
t DEBIAN_t DEBCONF_t LANDSCAPE_ATTACHMENTSt MAILN( R R ( R
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s Start the watchdog.
This is the topmost function that kicks off the Landscape client. It
cleans up the environment, loads the configuration, and starts the
reactor.
@param args: Command line arguments, including the program name as the
first element.
@param reactor: The reactor to use. If none is specified, the global
reactor is used.
@raise SystemExit: if command line arguments are bad, or when landscape-
client is not running as 'root' or 'landscape'.
R# s# The 'landscape' user doesn't exist!i s: landscape-client can only be run as 'root' or 'landscape'.R s landscape-clienti( R N( R R t loadR. R/ R1 t KeyErrorRK Rt R) R- R
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landscape.logR t landscape.broker.ampR R R t landscape.reactorR t landscape.lib.dnsR t landscape.configurationR R R RX RW R t ExceptionR R R! t objectR" R| R} R~ RZ R R R R R R RL R4 R ( ( ( s6 /usr/lib/python2.7/dist-packages/landscape/watchdog.pyt <module> sp O }