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5194eb9564
This patch introduces keep alive messages support for P2P migration and it adds two new configuration entries namely 'keepalive_interval' 'keepalive_count' to control it. Behavior of these entries is the same as qemu driver thus the description is copied from there with just a few simplifications. Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
49 lines
1.7 KiB
Plaintext
49 lines
1.7 KiB
Plaintext
(* /etc/libvirt/libxl.conf *)
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module Libvirtd_libxl =
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autoload xfm
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let eol = del /[ \t]*\n/ "\n"
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let value_sep = del /[ \t]*=[ \t]*/ " = "
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let indent = del /[ \t]*/ ""
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let array_sep = del /,[ \t\n]*/ ", "
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let array_start = del /\[[ \t\n]*/ "[ "
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let array_end = del /\]/ "]"
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let str_val = del /\"/ "\"" . store /[^\"]*/ . del /\"/ "\""
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let bool_val = store /0|1/
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let int_val = store /[0-9]+/
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let str_array_element = [ seq "el" . str_val ] . del /[ \t\n]*/ ""
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let str_array_val = counter "el" . array_start . ( str_array_element . ( array_sep . str_array_element ) * ) ? . array_end
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let str_entry (kw:string) = [ key kw . value_sep . str_val ]
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let bool_entry (kw:string) = [ key kw . value_sep . bool_val ]
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let int_entry (kw:string) = [ key kw . value_sep . int_val ]
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let str_array_entry (kw:string) = [ key kw . value_sep . str_array_val ]
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(* Config entry grouped by function - same order as example config *)
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let autoballoon_entry = bool_entry "autoballoon"
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let lock_entry = str_entry "lock_manager"
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let keepalive_interval_entry = int_entry "keepalive_interval"
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let keepalive_count_entry = int_entry "keepalive_count"
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(* Each entry in the config is one of the following ... *)
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let entry = autoballoon_entry
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| lock_entry
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| keepalive_interval_entry
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| keepalive_count_entry
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let comment = [ label "#comment" . del /#[ \t]*/ "# " . store /([^ \t\n][^\n]*)?/ . del /\n/ "\n" ]
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let empty = [ label "#empty" . eol ]
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let record = indent . entry . eol
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let lns = ( record | comment | empty ) *
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let filter = incl "/etc/libvirt/libxl.conf"
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. Util.stdexcl
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let xfm = transform lns filter
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