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Implement rbd disk template
Introduce the rbd disk template, which handles provisioning andmanagement of instance disks as block devices mapped to rbd volumeson a RADOS cluster.
The rbd template is of type DTS_EXT_MIRROR, meaning rbd-basedinstances can failover or migrate to any node, without...
Add DRBD barriers disk parameters
Add the disk-barriers and meta-barriers parameters described in thedesign doc.
Fix a parsing issue with DRBD 8.3.11 in the Linux Kernel
In the Linux kernel commit 4b0715f096 introduced a display bug into/proc/drbd which broke our regex.
The bug was first introduced into Linux 2.6.39-rc1. This bug is stillunfixed as of today.
This patch adapt the regular expression to workaround this bug for the...
Fix bug in bdev when drbd version format is x.x.x.x
This patch fixes a bug reported in [0]. Newer drbd versions can haveanother digit beyond the regular major, minor and point release digits.We modify the regex used to match that with an optional parts which is...
Use reserved documentation IPs and domains
Use RFC 5737 IP addresses and RFC 2606 domain names in allunittests, docs, qa and docstrings.
Signed-off-by: Manuel Franceschini <livewire@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
BaseDRBD: provide a way to query usermode_helper parameter
Signed-off-by: Luca Bigliardi <shammash@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
DRBD IPv6 support
Support IPv6 configuration for 'drbdsetup show' parser and add unittestsconcerning that case. Renames some data files to use consistent namesclarifying their usage.
Signed-off-by: Manuel Franceschini <livewire@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Ignore log messages in unittests
Signed-off-by: Michael Hanselmann <hansmi@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Fix /proc/drbd parsing in presence of gaps
In case there are gaps in /proc/drbd related to the minors sequence,this can lead to empty lines (see the attached data file). In this case,we currently fail to parse the file correctly.
The patch fixes this by skipping empty lines in...
Fix compatibility with DRBD 8.3
DRBD 8.3 changes two more things compared to 8.2: - /proc/drbd format changed in multiple ways; the part we're interested is the ‘st:’ to ‘ro:‘ change (in the changelog named as “Renamed 'state' to 'role'” - “drbdsetup /dev/drbdN show” changed the ‘device’ stanza from:...
Convert IOErrors for /proc/drbd into our errors
If /proc/drbd can't be opened, this raises an IOError, but all theerror-handling behaviour in backend treats only BlockDeviceErrors. Thiscreates a plain failure in cluster verify and in other RPC calls.
This patch simply converts EnvironmentErrors into BlockDeviceErrors, and...
DRBD: check for in-use minor during Create
In order to prevent errors with old, in-use DRBD minors, we check andabort at create time if our minor is already in use. For this we need toalso modify DRBD8Status to be able to parse cs:Unconfigured devices....
Unify some unittest functions
This patch adds unified temporary file handling to thetestutils.GanetiTestCase class, which adds easy creation and automatedcleanup of temporary files.
The patch allows a simpler handling in a couple of test cases butrequires all child classes to call the parent setUp and tearDown...
Generalize the reading of test file data
Currently we have two methods in ganeti.bdev_unittest.py of computingthe test data file name - and, of course, they don't give the sameresults.
The patch moves the functions to compute the test file name and reading...
Use a single Makefile.am instead of many
This change allows us to use cleaner dependencies betweendirectories. The build system is basically rewritten in large partsand may contain bugs.
Reviewed-by: iustinp
Fix bdev unittest when run under distcheck
The path to the filename for drbd8 proc data is not correctly computedwhen using distcheck. The patch duplicates it from the other drbd tests.
Reviewed-by: ultrotter
Rework the DRBD8 device status computation
Currently, compute the status of a drbd8 device in GetSyncStatus andreturn only the values that we need (and fit in the framework ofGetSyncStatus). However, the full status details are useful (and needed)in other places, so the patch attempts to improve this situation....
Fix ‘make distcheck’ breakage introduced in r455
This patch fixes the ‘make distcheck’ breakage caused by missing test data inthe archive and missing handling of builddir!=srcdir case.
Reviewed-by: schreiberal
Add unittest for DRBD8 drdbsetup show parser
This patch changes the bdev.DRBD8._GetDevInfo to take a string insteadof a minor, separates the `drbdsetup show` invocation into a newseparate method (bdev.DRBD8._GetShowData) and modifies the rest of theDRBD8 class to make the appropriate calls....