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400 Commits

Author SHA1 Message Date
Joshua Boniface c88965e898 Lint: E201 whitespace after '(' 2020-11-07 12:39:27 -05:00
Joshua Boniface e333f2b935 Lint: E201 whitespace after '{' 2020-11-07 12:38:31 -05:00
Joshua Boniface 3cb92fed75 Lint: E401 multiple imports on one line 2020-11-07 12:29:32 -05:00
Joshua Boniface 27c6ac2b66 Lint: W605 invalid escape sequence '\d' 
This is the only one where forcing an `r` type to the string was
required; the remainder of W605 were replaced with character class
enclosures.
 2020-11-07 12:22:20 -05:00
Joshua Boniface 8ba267a59e Lint: E211 whitespace before '['/'(' 2020-11-07 12:20:01 -05:00
Joshua Boniface 39cc992e9b Lint: E306 expected 1 blank line before a nested definition, found 0 2020-11-07 12:17:38 -05:00
Joshua Boniface 8c623023d5 Lint: F811 redefinition of unused '<function>' 2020-11-07 12:14:29 -05:00
Joshua Boniface 5b3ee363b2 Lint: E222 multiple spaces after operator 2020-11-07 12:10:24 -05:00
Joshua Boniface fad27a7f4d Lint: E131 continuation line unaligned for hanging indent 2020-11-06 22:29:49 -05:00
Joshua Boniface 2eef6a1c21 Lint: E265 block comment should start with '# ' 2020-11-06 21:32:17 -05:00
Joshua Boniface 4b47a2424c Lint: E303 too many blank lines (2) 2020-11-06 21:16:52 -05:00
Joshua Boniface cb2defbde9 Lint: W391 blank line at end of file 2020-11-06 21:14:19 -05:00
Joshua Boniface 5da314902f Lint: F841 local variable '<variable>' is assigned to but never used 2020-11-06 21:13:13 -05:00
Joshua Boniface 98a573bbc7 Lint: E402 module level import not at top of file 2020-11-06 20:40:32 -05:00
Joshua Boniface aecb845d6a Lint: E713 test for membership should be 'not in' 2020-11-06 20:37:52 -05:00
Joshua Boniface fde8ea2fea Lint: W291 trailing whitespace 2020-11-06 19:44:14 -05:00
Joshua Boniface 57c51d3234 Lint: E711 comparison to None should be 'if cond is not None:' 2020-11-06 19:37:13 -05:00
Joshua Boniface ce01b41d81 Lint: E711 comparison to None should be 'if cond is None:' 2020-11-06 19:36:36 -05:00
Joshua Boniface 4d6f36aca0 Lint: E712 comparison to False should be 'if cond is False:' or 'if not cond:' 2020-11-06 19:35:51 -05:00
Joshua Boniface fb4aafcea9 Lint: E111 indentation is not a multiple of four 2020-11-06 19:26:22 -05:00
Joshua Boniface d9e7b7ec15 Lint: F401 <library> imported but unused 2020-11-06 19:22:49 -05:00
Joshua Boniface ebf254f62d Lint: W293 blank line contains whitespace 2020-11-06 19:11:07 -05:00
Joshua Boniface 63f4f9aed7 Lint: E722 do not use bare 'except' 2020-11-06 18:55:10 -05:00
Joshua Boniface 56ba7b1457 Bump version to 0.9.1 2020-10-29 12:16:38 -04:00
Joshua Boniface ec0b8acf90 Support per-VM migration type selectors 
Allow a VM to specify its migration type as a default choice. The valid
options are "default" (i.e. behave as now), "live" which forces a live
migration only, and "shutdown" which forces a shutdown migration only.
The new option is treated as a VM meta option and is set to default if
not found.
 2020-10-29 12:01:29 -04:00
Joshua Boniface 5d08ad9573 Fix incorrect keepalive interval setting 2020-10-26 11:44:45 -04:00
Joshua Boniface 0f299777f1 Modify version to 3-digit numbering 
I expect 0.9 will be fairly long-lived, so add another decimal place so
I may continue adding tweaks to it.

THIS IS NOT SEMVER.
 2020-10-26 02:13:11 -04:00
Joshua Boniface 890023cbfc Make sender wait dynamic based on receiver 2020-10-21 14:43:54 -04:00
Joshua Boniface 28abb018e3 Improve some timeouts and conditionals 2020-10-21 12:00:10 -04:00
Joshua Boniface 017953c2e6 Move lock release to phase D 2020-10-21 11:07:01 -04:00
Joshua Boniface 82b4d3ed1b Add missing prefix statements to loggers 2020-10-21 10:52:53 -04:00
Joshua Boniface bae366a316 Add waits and only receive check on send 2020-10-21 10:43:42 -04:00
Joshua Boniface 351076c15e Check if node changed during final check 
Avoids situations where two migrates, to different nodes, happen in
rapid succession. Aborts the migration if the current target node no
longer matches what was set at the start of the execution.
 2020-10-21 02:52:36 -04:00
Joshua Boniface 42514b9a50 Improve messages further 2020-10-21 02:41:42 -04:00
Joshua Boniface 611e47f338 Add messages to migration aborts 
Results in some information duplication, but ensures logging of the
reason a migration was aborted separate from the error(s) this may
generate.
 2020-10-21 02:38:42 -04:00
Joshua Boniface 1523959074 Move where setting last_ vars happens 2020-10-21 02:24:00 -04:00
Joshua Boniface ef762359f4 Adjust timing to avoid migrating to self quickly 
Add another separate state lock, release it earlier, and ensure timings
are good to avoid double-migrating one VM.
 2020-10-21 02:17:55 -04:00
Joshua Boniface 398d33778f Avoid stopping duplicates, just lock our own key 2020-10-20 16:10:39 -04:00
Joshua Boniface a6d492ed9f Remove spurious writes and adjust sleep 2020-10-20 16:04:26 -04:00
Joshua Boniface 11fa3b0df3 Remove additional wait and add last_node entries 
These allow for aborting a migration to retain the previous settings and
override what the client set.
 2020-10-20 15:58:55 -04:00
Joshua Boniface 442aa4e420 Tweak timers further 2020-10-20 15:43:59 -04:00
Joshua Boniface 3910843660 Add missing break 2020-10-20 15:39:29 -04:00
Joshua Boniface 70f3fdbfb9 Tweak the delays slightly on receive 2020-10-20 15:38:07 -04:00
Joshua Boniface 7cb0241a12 Attempt live migrates 3 times before proceeding 2020-10-20 15:33:41 -04:00
Joshua Boniface 9fb33ed7a7 Increase peer lock acquiring timers 2020-10-20 15:26:59 -04:00
Joshua Boniface abfe0108ab Better handle aborting migrations 2020-10-20 15:22:16 -04:00
Joshua Boniface 567fe8f36b Wait for existing migrations before proceeding 2020-10-20 15:12:32 -04:00
Joshua Boniface ec7b78b9b8 Add additional short sleep in receive 2020-10-20 13:29:17 -04:00
Joshua Boniface 224c8082ef Alter text of synchronization messages 2020-10-20 13:08:18 -04:00
Joshua Boniface f9e7e9884f Improve handling of VM migrations 
The VM migration code was very old, very spaghettified, and prone to
strange failures.

Improve this by taking cues from the node primary migration. Use
synchronization between the nodes to ensure lockstep completion of the
migration in discrete steps.

A proper queue can be built later to integrate with this code more
cleanly.

References #108
 2020-10-20 13:01:55 -04:00