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We don't expect to maintain an up-to-date copy. NFS Ganesha team
might provide patches.
Also move the Ganesha .check file
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This adds new configuration variable CTDB_RPCINFO_LOCALHOST6.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is an optimisation to avoid forking the callout for operations
that are not implemented.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Unhealthy after 1 failed attempt to contact the portmapper.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Now that there is only a single NFS eventscript, other eventscripts no
longer need to load all of this.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is now handled by passing the desired number of threads to the
command specified in the dump_stuck_threads variable in .check files.
Remove unused function nfs_dump_some_threads().
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This isn't a straightforward move of code from 60.ganesha to the
callout. Simplifications have been made to allow better
interoperation with the new NFS checking logic.
The following configuration variables have been removed:
CTDB_GANESHA_REC_SUBDIR
Edit NFS ganesha callout to change this location
CTDB_NFS_SERVER_MODE, NFS_SERVER_MODE
Use CTDB_NFS_CALLOUT instead
CTDB_NFS_SKIP_KNFSD_ALIVE_CHECK, CTDB_SKIP_GANESHA_NFSD_CHECK
Disable the corresponding .check file instead
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
$service_check_cmd specifies a command to run instead of the regular
rpcinfo-based check.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Note that the 60.ganesha RPC checks need to be identical to those in
the nfs-checks.d/ directory. This is because the NFS unit test
infrastructure checks output against what should be produced by the
checks in nfs-checks.d/. This is a minor issue, since one of the aims
of this work is to remove the need for a separate 60.ganesha.
In most cases configuration variable CTDB_NFS_DUMP_STUCK_THREADS is
now ignored. This is now handled by passing the desired number of
threads to the command specified in the service_debug_cmd variable in
a .check file.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Provides a new extensible format for .check files, using simple
variables instead of the unwieldy extended test(1) syntax now used.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Change status, nlockmgr, mountd, rquotad to be unhealthy after 6
rpcinfo check failures and do a verbose restart after every 2
failures. Change 60.ganesha for consistency, since 60.ganesha tests
are broken and depend on the consistency.
Apart from the consistency aspect, the check infrastructure will soon
be simplified so that it only allows the equivalent of "unhealthy" and
"verbose restart:b" actions.
Update tests to have a corresponding numbers of iterations. Run 1
extra iteration in most tests to check there are no unexpected
behaviour changes after the designated number of iterations completes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
VLAN interfaces on bonds with a name other than <iface>.<id>@<iface>
are not currently supported. That is, where the VLAN name isn't based
on the underlying bond name. Such VLAN interfaces can be created with
the "ip link" command, as opposed to the "vconfig" command, or by
renaming a VLAN interface.
This is improved by determining the underlying interface name for a
VLAN from the output of "ip link".
No serious attempt is made to support VLANs with '@' in their name,
although this seems to be legal. Why would you do that?
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Commit 6471541d6d broke support for VLAN
interfaces. Releasing a public IP address depends on
ip_maskbits_iface() and for a VLAN interface this will return an
interface of the form <vlan>@<iface>, which can't be fed back into
"ip" commands.
Update ip_maskbits_iface() to drop the '@' and everything after it.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reported-by: Jan Schwaratzki <jschwaratzki@ddn.com>
If statd-callout is unwanted, so is removed, then this code fails.
Change to an "if" so that it succeeds as intended.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
On IPv4-only or IPv6-only systems one of these files will not exist.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This will handle the most obvious cases. It won't handle the case
where the directory is missing and the recovery lock location is
updated at run-time. However, this is a good improvement.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
While 'which' is a very common tool, on many distros it is not a requirement
that it be installed. 'type' is a shell built-in specified by the Open Group,
and is found in shells like bash, dash, and ksh across multiple OSes.
Signed-off-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Fri Jun 5 20:39:47 CEST 2015 on sn-devel-104
This is an alternative to 10.interface and is installed as disabled by
default. It should only be used with DisableIPFailover=yes and when
IP failover is being handled externally. In this mode CTDB can be
informed of public IP address movements using "ctdb moveip".
During the "startup" event, this eventscript currently finds any
public IP addresses configured in $CTDB_PUBLIC_ADDRESSES and tells
CTDB which node they are on using "ctdb moveip". This allows CTDB to
send ARPs and tickle-ACKs.
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
00.ctdb should not know about public IP addresses.
Move related tests to operate on 10.interface.
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This isn't used or documented anywhere.
2 differing points of view:
* This is a very good idea but it should probably be generalised to
cover more configuration items. This would end up like the Samba
registry configuration and would use a tool to support setting
configuration values.
* If people really want to update configuration while a node is down
then they should fix the configuration before bringing up that node.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
For example, adding a file called nfs-rpc-checks.d/20.nfsd@udp.check
will cause NFS to be checked on UDP as well, using a separate counter.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Thu Apr 30 09:24:12 CEST 2015 on sn-devel-104
If tdb database file size grows beyond 4GB, tdbtool/tdbdump can hang
indefinitely. This will prevent CTDB from starting up.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Required when automatic address detection can not be used. This can
be the case when running multiple ctdbd daemons/nodes on the same
physical host (usually for testing), using InfiniBand for the private
network or on Linux when sysctl net.ipv4.ip_nonlocal_bind=1.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Mon Apr 27 06:10:08 CEST 2015 on sn-devel-104
"ctdb xpnn" does not work when sysctl net.ipv4.ip_nonlocal_bind=1,
since it determines the node by attempting to bind to each addres in
the nodes file. The solution is to not use "ctdb xpnn". After the
initial call, ctdb_get_pnn() will be more efficient that "ctdb xpnn".
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids the expense of establishing a client connection to the
daemon just to get the PNN of the current node.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
It's possible for a RPC service to register only for UDP and not TCP.
Since we assume all the NFS operations are over TCP, always check RPC
services over TCP.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
$RPCMOUNTDOPTS is ignored when restarting rpc.statd due to the service
being unresponsive. This variable can be used to increase the number
of rpc.mountd threads when there are a lot of clients reattaching so
ignoring it can mean that only a single rpc.mount thread is started.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
When executing a shell script code "foo | bar", if "bar" terminates early,
then "foo" can get I/O error when writing to stdout.
The tdbtool stub did not wait to read anything from stdin when it is
expected to. This would cause tests to fail randomly under load when
tdbtool process exited early.
Similarly, debug function read from stdin only under certain conditions
(higher debug and when not reading from tty). Otherwise, exited early.
Thanks to Andrew Bartlett for noticing the problem and Catalyst Cloud
(http://catalyst.net.nz/cloud) for providing resources to test fixes.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Pair-Programmed-With: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Fri Mar 20 16:26:37 CET 2015 on sn-devel-104
IP addresses and routes are only changed if either the NAT gateway
configuration or the NAT gateway master node has changed. If running
"ip monitor" this will minimise the amount of noise seen. It should
also be more lightweight at the expense of managing a couple of state
files.
Add a test to check that configuration changes behave correctly.
Tweak the static route result generation code so that the required
output is sorted.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Updating ctdb.tdb on each add-client, del-client and each delete
during notify was too ambitious. Persistent transactions do not
perform well enough to do this.
Revert to having add-client and del-client create touch files. Each
monitor event calls "statd-callout update" to convert touch files into
ctdb.tdb records.
Update testcases to do the "update" and add an extra test.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Commit 4638010abb changed from using
gensub() to gsub() in awk. However, it didn't halve the number of
backslashes in the target strings. This is necessary because
backslash is used in gensub() target strings to allow substitution of
text matching parenthesised subexpressions. This is not the case with
gsub().
So, halve the number of backslashes in the target string where gsub()
is used in statd-callout. This is the only target string broken by
changes made by the above commit
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
All tunables set in configuration are currently set to 0 on system
where /bin/sh is dash (and perhaps other non-bash shells). dash puts
single quotes around all values in the output of the "set" builtin
command, whereas bash only puts them around values when something
needs to be quoted. Tunables always have a simple integer value so
dash will quote them and bash won't. The setup code currently passes
the raw value, including any quotes to "ctdb setvar ...". This
command does no error checking on the input, so "'1'" is converted to
0.
Change the code so that the value is determined from the shell
variable and is independent of the "set" output.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This was true for the daemon until commit
b4589b954e.
Defaulting to ERR in the ctdb CLI tool encourages logging notices at
ERR level, so default to NOTICE instead.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Drops the iptables() and ip6tables() functions and, hence, the
hardcoding of paths /sbin/iptables and /sbin/ip6tables. The latter
avoids problems on openSUSE where (for example) /usr/sbin/iptables is
used instead.
This means that locking around ip*tables commands is only done when
iptables_wrapper is called directly. This is fine because the only
conflict is when "releaseip" or "takeip"/"updateip" events are run in
parallel. The other uses in 11.natgw and 70.iscsi are in events where
there will be no collisions.
Making 11.natgw support IPv6 is unnecessary. Just put a static IPv6
address on each interface - they're plentiful.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed Jan 28 08:29:55 CET 2015 on sn-devel-104
