Synnefo » snf-ganeti » ganeti-local

DEFAULT_MAC_PREFIX = "aa:00:00"

# default maximum instance wait time, in seconds.

DEFAULT_SHUTDOWN_TIMEOUT = 120

# Time for an intra-cluster disk transfer to wait for a connection

DISK_TRANSFER_CONNECT_TIMEOUT = 60

# Disk index separator

 ) = range(5)

# A few common errors for confd

# Each request is "salted" by the current timestamp.

# This constants decides how many seconds of skew to accept.

# TODO: make this a default and allow the value to be more configurable

# When we haven't reloaded the config for more than this amount of

# seconds, we force a test to see if inotify is betraying us. Using a

# prime number to ensure we get less chance of 'same wakeup' with

# other processes.

# If we receive more than one update in this amount of microseconds,

# we move to polling every RATELIMIT seconds, rather than relying on

# inotify, to be able to serve more requests.

# Magic number prepended to all confd queries.

# This allows us to distinguish different types of confd protocols and handle

# them. For example by changing this we can move the whole payload to be

# compressed, or move away from json.

# By default a confd request is sent to the minimum between this number and all

# MCs. 6 was chosen because even in the case of a disastrous 50% response rate,

# we should have enough answers to be able to compare more than one.

# Timeout in seconds to expire pending query request in the confd client

# library. We don't actually expect any answer more than 10 seconds after we

# sent a request.

# Maximum UDP datagram size.

# On IPv4: 64K - 20 (ip header size) - 8 (udp header size) = 65507