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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
This is a gawk extension and can't be used reliably if just running
"awk". It is simple enough to switch to using the standard sub() and
gsub() functions.
The alternative is to switch to explicitly running "gawk". However,
although the eventscripts aren't exactly portable, it is probably
better to move closer to portability than further away.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
tcptickle_sniff_start() assumes that if $dst contains a ': then it
should use the IPv6 sniffing code. However, $dst is a socket, so has
a trailing ":<port>".
Strip the trailing ":<port>" before checking for ':' as a marker for
an IPv6 address.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Michael Adam <obnox@samba.org>
These tests simulate a dead node rather than a CTDB failure, so drop
IP addresses when killing a "node" to avoid problems with duplicates.
To cope with a CTDB failure a watchdog would be needed to ensure that
the public IPs are dropped when CTDB dies. Let's not do that now.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Fri Dec 5 23:29:39 CET 2014 on sn-devel-104
Extend select_test_node_and_ips() to set $test_prefix in addition to
$test_ip.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If CTDB_USE_IPV6 is set then use IPv6 addresses for nodes and public
IPs. This can be useful for some simple tests. However, the node
address actually needs to be on lo so that ctdbd can bind to the port
on that address, so they actually need to be added as root before
running tests, like this:
for i in $(seq 1 10) ; do ip addr add "fc00:10::${i}/64" dev lo ; done
IPv4 127.0.0.0/8 addresses are somehow magic and only one needs to be
on lo so that many can be bound to.
Also change the IPv4 node addresses to be (slightly) more exotic.
For both IPv4 and IPv6, choose addresses that are compatible with
socket wrapper.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Signed-off-by: Amitay Isaacs <amitay@gmail.com> (socket wrapper fixes)
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net> (socket wrapper fixes)
Add checking to "releaseip" and "updateip" to ensure that the given IP
address is really on the given interface with the given netmask. If
reality doesn't match the given arguments then believe reality.
Use new function iptables_wrapper() instead of calling iptables()
directly.
Use new function flush_route_cache() instead of doing IPv4-specific
/proc magic.
Remove setting of otherwise unused variable "failed".
Fix a test for which the error message has changed.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Also update associated eventscript unit tests and ctdb stub.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
There are parentheses missing that stop the default pattern from
matching commands with trailing garbage (e.g. "exportfs.orig").
A careful check of POSIX (and running GNU sed with --posix) suggests
that "\|" isn't a supported way of specifying alternation in a regular
expression. Therefore, it is clearer to switch to extended regular
expressions so that this has a chance of being portable (even though
the point is to print /proc/<pid>/stack, which only works on Linux).
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): Tue Nov 18 06:37:45 CET 2014 on sn-devel-104
Also add and update tests for statd stack dumps. Update the existing
60.ganesha statd test to do more iterations. Duplicate the result as
a new test for 60.nfs.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
In the process, fix a bug where an extra trace would be printed.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Remove --logfile and --syslog daemon options and replace with
--logging.
Modularise and clean up logging initialisation code. The
initialisation API includes an app_name argument that is currently
unused - this will be used in extensions to the syslog backend.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This makes the code cleaner and allows the syslog backend to be easily
modified without affecting other code. Also do some extra clean-up,
including whitespace fixups.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Internally map them to DEBUG_ERR to limit code churn.
This reduces the unwieldy number of debug levels used by CTDB. ALERT
and CRIT aren't of much use as separate errors, since everything from
ERR up should always be logged. In future just ERR can be used.
This also improves compatibility with Samba's debug.c system priority
mapping.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
It isn't used and shouldn't be. CTDB can't make the system unusable.
Update associated test to ensure that EMERG isn't attempted. Actually
test all remaining debug levels and modernise the test a bit.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Use a variable to allow easy change of this string in case future
logging changes modify the timestamp format or do not support
timestamping.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
As far as we know, nobody uses this and it just complicates the
logging subsystem.
Remove all ringbuffer code and documentation. Update the local
daemons startup code correspondingly.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Some of this implements logic that exists in functions. Some of it is
overly complicated and potentially failure-prone.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The log ringbuffer will probably be removed. The test can be
implemented just as reliably by checking IP assignments using "ctdb
ip".
Update wait_until_ips_are_on_node() to print a more useful log
message.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The "-n all" is wrong.
Simplify the implementation and tighten up some uses of this function.
_select_test_node_and_ips() can't use this function anymore.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The glob functionality is unsed so simplify the code by removing it.
Rename this function to wait_until_ips_are_on_node(). Update all
calls.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Local daemons are started mainly for testing and usually not as root.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This makes it consistent with Samba, to ease transition.
Update unit test code to link to with tdb_wrap instead of including
db_wrap.c.
There are some potential whitespace fixes in this commit that have
been ignored. CTDB's lib/tdb_wrap will be deleted after the
transition to Samba's lib/tdb_wrap, so there's no point polishing it
too much.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Some declarations get lost because they basically get #define-d away,
so they need to be repeated after the #undef-s. Also, some functions
are introduced due the #define-s.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To avoid warnings when using --enable-developer, which uses
-Wmissing-prototypes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This event was introduced to handle misconfiguration. For example,
where all nodes where configured as NAT gateway slaves.
However, this event can fail when there are performance issues and
capabilities can't be retrieved from a remote node. The problem is
most likely with the remote node, so marking the local node UNHEALTHY
is probably a mistake.
Having a NAT gateway master node only matters in "ipreallocated", so
leave it to do the checking. Given that a node will run
"ipreallocated" as part of the first recovery, this should cause
misconfigurations to be detected nice and early.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
