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so we can spot if there are leaks.
plug two leaks for filedescriptors related to when sending ARP fail
and one leak when we can not parse the local address during tcp connection establish
(This used to be ctdb commit ddd089810a14efe4be6e1ff3eccaa604e4913c9e)
print a full "pstree -p" to the log.
Example :
|-ctdbd(29826)-+-ctdbd(29862)
| `-ctdbd(31897)-+-00.ctdb(31898)---sleep(31908)
change the default timeout to 60 seconds for eventscripts
(This used to be ctdb commit a3406c10d70f89d332eab25d481083142dff987d)
This event is called when a node is stopped and is used by eventscripts that need to do certain cleanup and removal of configuration or ip addresses or routing ...
Note that a STOPPED node is considered "inactive" and as such will not be running the "recovered" event when the rest of the cluster has recovered.
(This used to be ctdb commit 65e9309564611bf937ded3c74a79abff895d7c59)
this command shows which eventscripts were executed during the last monitoring cycle and the status from each eventscript.
If an eventscript timedout or returned an error we also
show the output from the eventscript.
Example :
[root@rcn1 ctdb-git]# ./bin/ctdb scriptstatus
6 scripts were executed last monitoring cycle
00.ctdb Status:OK Duration:0.021 Mon Mar 23 19:04:32 2009
10.interface Status:OK Duration:0.048 Mon Mar 23 19:04:32 2009
20.multipathd Status:OK Duration:0.011 Mon Mar 23 19:04:33 2009
40.vsftpd Status:OK Duration:0.011 Mon Mar 23 19:04:33 2009
41.httpd Status:OK Duration:0.011 Mon Mar 23 19:04:33 2009
50.samba Status:ERROR Duration:0.057 Mon Mar 23 19:04:33 2009
OUTPUT:ERROR: Samba tcp port 445 is not responding
Add a new helper function "switch_from_server_to_client()" which both
the recovery daemon can use as well as in the child process we start for running the actual eventscripts.
Create several new controls, both for the eventscript child process to inform the master daemon of the current status of the scripts as well as for the ctdb tool to extract this information from the runninc daemon.
(This used to be ctdb commit c98f90ad61c9b1e679116fbed948ddca4111968d)
memory if ctdb_run_eventscript() would be called
during processing of ctdb_event_script_timeout() for
user unvoked eventscripts. (eventsccripts invoked by "ctdb eventscript ...")
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
(This used to be ctdb commit 15bc66ae801b0c69a65a7a2acf5df151e76edc2a)
This reverts commit bfba5c7249eff8a10a43b53c1b89dd44b625fd10.
revert the waitpid changes. we need to waitpid for some childredn so should
refactor the approach completely
(This used to be ctdb commit 702ced6c2fe569c01fe96c60d0f35a7e61506a96)
so we should not call it from the main daemon.
1, set SIGCHLD to SIG_DFL to make sure we ignore this signal
2, get rid of all waitpid() calls
3, change reporting of event script status code from _exit()/waitpid() to write()/read() one byte across the pipe.
(This used to be ctdb commit bfba5c7249eff8a10a43b53c1b89dd44b625fd10)
If the event script that timed out was for the "monitor" event, then
even if it timed out we still return SUCCESS back to the guy invoking the eventscript.
Only consider the eventscript for "monitor" to have failed with an error
IFF it actually terminated with an error, or if it timed out 5 times in a row and hung.
(This used to be ctdb commit 60f3c04bd8b20ecbe937ffed08875cdc6898b422)
This attempts to fix the problem of ctdb event scripts blocking due to
attempted access to the ctdb databases during recovery. The changes are:
- now only the 'shutdown' and 'startrecovery' events can be called
with the databases locked in recovery. The event scripts must ensure
that for these two events no database access is attempted
- the recovered, takeip and releaseip events could previously be called
inside a recovery. The code now ensures that this doesn't happen, delaying
the events till after recovery has finished
- the 50.samba event script now avoids using testparm unless it is really
needed
This needs extensive testing.
(This used to be ctdb commit e3cdb8f2be6a44ec877efcd75c7297edb008a80b)
multiple public addresses spread across multiple interfaces on each
node.
this is a massive patch since we have previously made the assumtion that
we only have one public address per node.
get rid of the public_interface argument. the public addresses file
now explicitely lists which interface the address belongs to
(This used to be ctdb commit 462ebbc791e906a6b874c862defea43235597ca8)
specific script /etc/ctdb/events.d/00.ctdb
get rid of CTDB_EVENTS_SCRIPT and --event-script
(This used to be ctdb commit 81ccfaf838e5772d4a58eb6a70224b7b39aba9f3)
instead for from /etc/ctdb/events so that we can get better debugging
output in the logs when something fails in the scripts
(This used to be ctdb commit 4ed96b768aea1611e8002f7095d3c4d12ccf77a3)
