Friday, 2018-04-27

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openstackgerritjiaohaolin proposed openstack/manila master: Manila share driver for Inspur AS13000 series.  https://review.openstack.org/55045401:18
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openstackgerritzhongjun proposed openstack/manila-specs master: Add priority for access rule  https://review.openstack.org/55293503:48
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tbarronzhongjun_: bswartz: a couple more issues to close in https://review.openstack.org/#/c/552935/15:38
bswartztbarron: not sure what you mean by bitmaps15:39
bswartzthe standards clearly say the netmask is always a string of ones followed by a string of zeros15:40
tbarronbswartz: that's for routing15:40
bswartzWhich can always be represented as a simple integer in the rand 0-32 (for IPv4) and 0-128 (for IPv6)15:40
tbarronbswartz: manila access allow allows one to specify prefix bitmaps not netmasks15:40
bswartzThe number is the cardinality of the ones in the netmask15:41
bswartzBitmaps which are not a string of ones followed by a string of zeros are always invalid15:41
tbarronbswartz: ack15:41
bswartzThe fact that you can specify an invalid string is just poor UI design (motivated by legacy/history)15:42
tbarronbswartz: I'm not arguing that we should have invalid ones on the rhs of a mask15:42
tbarronbswartz: just that the prefix length can be all the way long to 12815:43
bswartzThis is true15:43
tbarronso is 100 enough?15:43
bswartzCan you really see someone adding 129 different conflicting access rules?15:43
tbarronno but is 100 enough?15:43
bswartz130 would be enough15:43
tbarronI agree that we don't need a billion15:43
bswartzI say round down to 10015:43
tbarronbswartz: I say use 12815:44
bswartzAnd tell the user who has 101 rules to check himself into the psych ward15:44
tbarronbswartz: the user may be a machine who has a reason to do what is possible15:44
bswartz(101 overlapping rules)15:44
bswartzBecause of the well established convention of never making subnet's smaller than /64, its unlikely anyone would find need to use more than that15:45
bswartzIf you want to say priorities are 1-200 then that's fine15:45
tbarronbswartz: kk, I prefer 128 because that number actually makes sense but I wouldn't fight it.15:46
bswartz0-128 means 129 possibly overlapping netmasks15:46
tbarronbswartz: true that :)15:47
bswartzAnd 200 is rounder than 129 or even 13015:47
tbarronand currently we don't treat 10.1.0.1/32 and 10.1.0.1 as conflicts (and the v6  equivalent) so perhaps even a few more :)15:47
tbarron200 is ok with me15:47
bswartzThose 2 values should be treated as the same15:48
bswartzIf we're not doing that, it's a bug15:48
tbarronthough we probably should treat those as conflicts, I just don't think we do15:48
tbarronack.15:48
tbarronbswartz: so what about the other point of which value to start off with as default.15:48
tbarronzhongjun_ and you prefer defaulting to highest priority, gouthamr to lowest15:49
tbarronso of course I choose mid-range :)15:49
tbarronwhich now is a nice number, 10015:49
tbarronIs there a *reason* for highest priority default?  My only reason for midrange is that it allows15:50
tbarronoverrides in both directions, which seems handy.15:50
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tbarronThis is not a dig-in issue for me though.15:50
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tbarronbswartz: I raised https://bugs.launchpad.net/manila/+bug/1767430 for the host and /32 or /128 conflict issue16:15
openstackLaunchpad bug 1767430 in Manila "host prefixes for access allow should conflict with /32 and /128 prefixes" [Undecided,New]16:15
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openstackgerritTom Barron proposed openstack/manila-tempest-plugin master: new scenario test: test if share can not be written with RO access  https://review.openstack.org/54451918:15
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openstackgerritGoutham Pacha Ravi proposed openstack/manila-specs master: Make the scenario test spec release independent  https://review.openstack.org/54630119:35
openstackgerritGoutham Pacha Ravi proposed openstack/manila-specs master: Remove non-spec file  https://review.openstack.org/56486919:36
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openstackgerritGoutham Pacha Ravi proposed openstack/manila-specs master: Switch to openstackdocstheme  https://review.openstack.org/56487720:27
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