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Modifying the node flags with IP-allocation-only flags is not
necessary. It causes breakage if the flags are not cleared after use.
ctdb_takeover_run() no longer needs the general node flags - it only
needs the IP flags.
Instead of modifying the node flags in nodemap, construct a custom IP
flags list and have takeover_run_core() use that instead of node
flags. As well as being safer, this makes the IP allocation code more
self contained and a little bit clearer.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 14bd0b6961ef1294e9cba74ce875386b7dfbf446)
This has been replaced by set_ipflags() and associated functionality.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit d0a3822573db296e73cc897835f783c8abc084b3)
This is a no-op and is in a separate commit to make the previous
commit less cumbersome.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 107e656bbe24f9d21fbaf886a3e9417da4effe5a)
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 7cf63722873a6a7baafd77aa3d8a1989b221dee9)
This really needs to be per-node. The rename is because nodes with
this tunable switched on should drop IPs if they become unhealthy (or
disabled in some other way).
* Add new flag NODE_FLAGS_NOIPHOST, only used in recovery daemon.
* Enhance set_ipflags_internal() and set_ipflags() to setup
NODE_FLAGS_NOIPHOST depending on setting of NoIPHostOnAllDisabled
and/or whether nodes are disabled/inactive.
* Replace can_node_servce_ip() with functions can_node_host_ip() and
can_node_takeover_ip(). These functions are the only ones that need
to look at NODE_FLAGS_NOIPTAKEOVER and NODE_FLAGS_NOIPHOST. They
can make the decision without looking at any other flags due to
previous setup.
* Remove explicit flag checking in IP allocation functions (including
unassign_unsuitable_ips()) and just call can_node_host_ip() and
can_node_takeover_ip() as appropriate.
* Update test code to handle CTDB_SET_NoIPHostOnAllDisabled.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 1308a51f73f2e29ba4dbebb6111d9309a89732cc)
Implemented for CTDB_SET_NoIPTakeover.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit a1addd89fd9c0390912604097acd028cc24d3483)
* New directory nfs-rpc-checks.d/ replaces hardcoded rules in 60.nfs
* Installation and packaging additions to handle nfs-rpc-checks.d/
* Unit test updates, including deleting 1 test that sanity checked
test infrastructure
* Test infrastructure changes to use nfs-rpc-checks.d/
Note that this removes support for $CTDB_NFS_SKIP_KNFSD_ALIVE_CHECK in
60.nfs. To get the equivalent behaviour, edit 20.nfsd.check and
remove/comment all lines.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 7e792d6768d9ca420ce3713cb122e63afd594b15)
* Command is now multiple arguments, preserving quoting
* $service_name no longer printed, no longer an argument
* Debug output from failed command
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 9e25fb261447a196de05937052779b36e75e7215)
Complicated argument handling was introduced to deal with multiple
services per eventscript. This was a failure and we split 50.samba.
This simplifies several functions to use global $service_name
unconditionally instead of having an optional argument.
$service_name is no automatically longer set in the functions file.
This means it needs to be explicitly set in 13.per_ip_routing because
this script uses ctdb_service_check_reconfigure().
Eventscript unit test infrastructure needs to set $service_name during
fake service setup, and policy routing tests need to be updated
accordingly.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 27aab8783898a50da8c4bc887b512d8f0c0d842c)
The current logic is horrible and creates an unnecessary file. Let's
make the script debug level independent of ctddb's debug level.
* Have debug() use $CTDB_SCRIPT_DEBUGLEVEL directly
* Remove ctdb_set_current_debuglevel()
* Remove the "getdebug" command from ctdb stub in eventscript unit
tests
* Update relevant eventscript unit tests to use
$CTDB_SCRIPT_DEBUGLEVEL
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 85efa446c7f5c5af1c3a960001aa777775ae562f)
The comment explains that we use "ctdb stop" and "ctdb continue"
but we should use "ctdb setcrecmasterrole off".
Signed-off-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit 06ac62f890299021220214327f1b611c3cf00145)
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit b1577a11d548479ff1a05702d106af9465921ad4)
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit 2438f3a4944f7adbcae4cc1b9d5452714244afe7)
Curiously test_ctdb_sys_check_iface_exists fails on Linux
Signed-off-by: Mathieu Parent <math.parent@gmail.com>
(This used to be ctdb commit 109f428aa34f8f4cc0329880d2f4a5593a6cc6f3)
Ensure that RSN based recovery and __db_sequence_number__ based recovery
methods for persistent databases work correctly. They should not cause
corruption of the database.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 45d439a1ab093b420c27b1502ef109021833c7af)
Also update ips_are_on_nodeglob() to handle negation.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 13a5944f8a27d43006acfffba76958693cae7702)
The default IP allocation algorithm used by ctdb_takeover_tests
changed from "non-deterministic IPs" to "LCP2". The latter generates
a lot more debug output. ctdb_takeover_tests is used by the ctdb tool
stub to calculate IP address changes for failovers. This resulted in
unexpected debug output that caused tests to fail. Since eventscript
tests don't care how IP allocations are arrived at, the best solution
is to turn down the debug level.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 3cc596d2b459d834f9785b3a98027e46431ff2b9)
The retry loop is currently in ctdb_takeover_run_core(). Pushing it
into each function will make it possible to put each algorithm into a
separate top-level function. This will make the code much clearer and
more maintainable.
Also keep associated test code compatible.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit f6ce18d011dd9043b04256690d826deb2640cd89)
Neither basic_failback() nor lcp2_failback() unassign IPs anymore, so
there's no point looping back that far.
Also fix a unit test that now fails because looping back to handle
unassigned IPs is no longer logged.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit c09aeaecad7d3232b1c07bab826b96818756f5e0)
3 tests should assign IPs to all nodes.
3 tests set NoIPTakeoverOnDisabled=1 and should drop all IPs.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit edda58a45915494027785608126b5da7c98fee85)
Via $CTDB_SET_NoIPTakeoverOnDisabled.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit d357d52dbd533444a4af6151d04ba119a1533068)
Default to LCP2, like ctdbd. Also support "det" for deterministic
IPs.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 20631f5f29859920844dd8f410e24917aabd3dfd)
It looks like this restart was accidentally reintroduced in commit
fc0678d351187cfa4c71123f97c0f493aacd5d16 when $service_reconfigure
became unset so the default action of restarting the service would
occur. From there cleanups have explicitly reintroduced it and
carried it through the code.
Also update the unit tests affected by this change.
The restart was originally removed in commit
bc481c3f1a44c50648488c4f8a7f15ec395d446f.
The default reconfigure action of restarting a service is clearly
suboptimal and will be addressed in a separate patch.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 2629de72e1f37b5e46772c2ef8d8d0012fc4ed37)
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 3221fce9ee2f6fdd3bb17a5e1629ad52a32f90d6)
release suffix added by RPM is to track packaging changes. Core CTDB
version does not include the release suffix.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit aad1584da8a8425bc6f5163c95810e9d2390dc91)
This reverts commit 88f88d86b0d08240f749fb721b8c401c2eeb1099.
This is dangerous and, on reflection, I can't see it being useful.
There are often permanent IPs on interfaces that CTDB shares with its
public IPs.
(This used to be ctdb commit 16aba4eb620844626a1c71c58b51658caf44dea6)
Less copying and pasting is a good thing...
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 7d4b8cce96f33fff647a0c9d259c121dfc8403e9)
If $CTDB_SERVICE_AUTOSTARTSTOP="yes" then service start/stop is done
in the background with logging.
Fix some unit tests for samba and winbind.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 3a3dae4cb5ec8b4b8381a4013adda25b87641f3a)
winbind and samba can be separately managed. This makes the service
starting and stopping code way too complicated, and even adds a small
amount of complexity to the monitoring code. The sensible option is
to split this eventscript in two.
There are two potentially backward incompatible changes here:
* Functionality has been removed that allowed 50.samba to manage
winbind when CTDB_MANAGES_WINBIND was unset but the smb.conf
"security" parameter was set to "ADS" or "DOMAIN".
Maintaining this functionality would have required moving the
testparm-related code to the functions file, deciding where the
cache file should go, and then calling it from both 49.winbind and
50.samba. This feature wasn't of great value and asking
administrators to set an extra variable in exchange for code
simplicity seems like a reasonable deal.
* External code will need to be changed if it calls 50.samba directly
with winbind-related expectations. This is fairly obvious!
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 34535ae64420926b9a3bf7d453fed4e6f4c90115)
Some code (e.g. NAT gateway code) modifies the returned result so was
modifying the original.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit a3f15d2828325bbfba5bc5c0a30429e2ce572a44)
