ChangeLog: Added the changes to the perl plugin.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
collectd-perl(5): Document the <Plugin> configuration block.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
perl plugin: Added "<Plugin>" configuration block.
Similar to the global "<Plugin>" blocks this may be used to configure Perl
plugins. The oconfig_item_t object is converted to a Perl hash which will be
passed on to the registered configuration callback. A configuration
callback is registered using the TYPE_CONFIG identifier.
The Perl representation of the oconfig_item_t object looks like this:
{
'key' => '<key>',
'values' => [ '<val1>', '<val2>', ... ],
'children' => [ { ... }, { ... }, ... ]
}
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Similar to the global "<Plugin>" blocks this may be used to configure Perl
plugins. The oconfig_item_t object is converted to a Perl hash which will be
passed on to the registered configuration callback. A configuration
callback is registered using the TYPE_CONFIG identifier.
The Perl representation of the oconfig_item_t object looks like this:
{
'key' => '<key>',
'values' => [ '<val1>', '<val2>', ... ],
'children' => [ { ... }, { ... }, ... ]
}
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
configure.in: Add the filecount plugin to the status output.
configure.in, filecount.c: Removed all left-over occurrences of "qmail".
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Merge branch 'master' of /var/lib/git/collectd
TODO: Added what is left to do for 4.5.
filecount plugin: Make absolutely sure `status' is never read uninitialized.
ChangeLog: Updated for 4.5.0.
README: Added the filecount plugin.
collectd.conf(5): Documented the filecount plugin.
Build system: Renamed the qmail plugin to filecount.
filecount plugin: Substitute slashes with underscores.
Not dashes. Somehow I now like underscores better.
Not dashes. Somehow I now like underscores better.
filecount plugin: Renamed the `qmail' plugin to `filecount'.
qmail plugin: Made the counting of files more generalized.
src/common.[ch]: Pass user data to `walk_directory'.
`walk_directory' in turn passes the directory name and the user data
back to the callback functions.
`walk_directory' in turn passes the directory name and the user data
back to the callback functions.
AUTHORS: Add Alessandro Iurlano.
AUTHORS: Reformatted the list of contributors.
It's now sorted by the names of the contributors, not by the name of the
plugins they touched. That just messed up with time.
It's now sorted by the names of the contributors, not by the name of the
plugins they touched. That just messed up with time.
rrdtool plugin: Implemented the `WritesPerSecond' option.
This option lets you slow down the `queue thread' within the rrdtool
plugin, so that the system stays responsive while writing all values
to disk. When FLUSH'ing values and during shutdown this limit is not
in effect.
This option lets you slow down the `queue thread' within the rrdtool
plugin, so that the system stays responsive while writing all values
to disk. When FLUSH'ing values and during shutdown this limit is not
in effect.
Merge branch 'master' of git://git.verplant.org/collectd
Merge branch 'collectd-4.4'
Merge branch 'collectd-4.3' into collectd-4.4
src/plugin.c: Fix indentation.
Change functions, that were indented using spaces, to *only* use spaces
(instead of a mix of both, spaces and tabs) but leave all the rest, that
is indented using tabs, as it is.
Hope this is a good compromise between consistency and breaking patches
for no good reason ;)
Change functions, that were indented using spaces, to *only* use spaces
(instead of a mix of both, spaces and tabs) but leave all the rest, that
is indented using tabs, as it is.
Hope this is a good compromise between consistency and breaking patches
for no good reason ;)
contrib/snmp-probe-host.px: Added script to semi-automatically create SNMP "host" blocks.
Details can be found in the inline documentation ("POD").
Details can be found in the inline documentation ("POD").
collectd-exec(5): Fix two typos.
src/plugin.c: Include the shared object when reporting errors with `lt_dlopen'.
Replaced plugin_flush_all(t) with plugin_flush(NULL, t, NULL).
There is nothing that plugin_flush_all() would do but plugin_flush() wouldn't,
so this was redundant.
plugin_flush_all() has been removed completely.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
There is nothing that plugin_flush_all() would do but plugin_flush() wouldn't,
so this was redundant.
plugin_flush_all() has been removed completely.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
src/plugin.[ch]: Removed legacy function plugin_flush_one().
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
perl plugin: Pass on identifiers to Perl flush callbacks.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
collectd-perl(5): Added a note about the stability of the API.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
perl plugin, Collectd.pm: Added support for flushing of specific identifiers.
plugin_flush() now accepts three parameters, 'timeout', 'plugins' and
'identifiers'. The meaning of the former two did not change. 'identifiers' may
be a string or an array of strings specifying identifiers that are to be
passed along to the plugins' flush callbacks. This brings the Perl API in sync
with the C API.
plugin_flush_one() and plugin_flush_all() have been re-implemented in plain
Perl and marked as deprecated. A new XSUB, Collectd::_plugin_flush, has been
added which provides a small wrapper around the C implementation of
plugin_flush().
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
plugin_flush() now accepts three parameters, 'timeout', 'plugins' and
'identifiers'. The meaning of the former two did not change. 'identifiers' may
be a string or an array of strings specifying identifiers that are to be
passed along to the plugins' flush callbacks. This brings the Perl API in sync
with the C API.
plugin_flush_one() and plugin_flush_all() have been re-implemented in plain
Perl and marked as deprecated. A new XSUB, Collectd::_plugin_flush, has been
added which provides a small wrapper around the C implementation of
plugin_flush().
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
src/utils_parse_option.c: Check for the terminating null-byte, too.
I was so focused on values with spaces, that I forgot to test trivial
cases :/
I was so focused on values with spaces, that I forgot to test trivial
cases :/
unixsock plugin et alii: Allow passing of arbitrary identifiers to the FLUSH command.
Due to a bug in the parsing of the FLUSH command, identifiers which
contained spaces would not be accepted. This patch introduces
src/utils_parse_option.[ch], which strips off an option in the form of
name="value" from the beginning of a buffer (removing leading and
trailing spaces) and returns the values found.
The Collectd::Unixsock module is updated to automatically quote
identifiers when necessary.
Many other commands may be effected by this bug, too. They'll be fixed
soon.
Due to a bug in the parsing of the FLUSH command, identifiers which
contained spaces would not be accepted. This patch introduces
src/utils_parse_option.[ch], which strips off an option in the form of
name="value" from the beginning of a buffer (removing leading and
trailing spaces) and returns the values found.
The Collectd::Unixsock module is updated to automatically quote
identifiers when necessary.
Many other commands may be effected by this bug, too. They'll be fixed
soon.
src/plugin.c: Reduced `plugin_flush_one' to a tiny legacy function.
src/plugin.c: Pass a second argument to the `flush' callbacks.
The flush callbacks not take two parameters, this was forgotten here.
The flush callbacks not take two parameters, this was forgotten here.
src/plugin.c: Fix an endless loop in `plugin_flush'.
Since this function is most often called from the unixsock plugin,
which creates a separate thread for handling connections, this did
not effect the rest of the daemon and was kind of tricky to track
down. :/ What a stupid mistake :(
Since this function is most often called from the unixsock plugin,
which creates a separate thread for handling connections, this did
not effect the rest of the daemon and was kind of tricky to track
down. :/ What a stupid mistake :(
memcached plugin: Remove an unused variable.
Oops.
Oops.
Merge branch 'collectd-4.4'
Conflicts:
src/collectd.conf.pod
Conflicts:
src/collectd.conf.pod
Merge branch 'collectd-4.3' into collectd-4.4
memcached plugin: Fix a possible file descriptor leak.
Not sure if this fixes the reported bug, but it might.. Feedback would be
welcome.
References: #26
Not sure if this fixes the reported bug, but it might.. Feedback would be
welcome.
References: #26
contrib/collection3: Added graph description for `ps_rss'.
contrib/collection3: Added the ability to `flush' data sets.
Both, bin/index.cgi and bin/graph.cgi can now send a FLUSH command to
the daemon via the Collectd::Unixsock module. For this to work you will
have to add the path to the UNIX socket of the `unixsock' plugin to the
configuration file `collection.conf'.
The configuration looks like this:
UnixSockAddr "/var/run/collectd-unixsock"
Both, bin/index.cgi and bin/graph.cgi can now send a FLUSH command to
the daemon via the Collectd::Unixsock module. For this to work you will
have to add the path to the UNIX socket of the `unixsock' plugin to the
configuration file `collection.conf'.
The configuration looks like this:
UnixSockAddr "/var/run/collectd-unixsock"
contrib/collection3: Remove an annoying debug message.
Merge branch 'ph/ipmi'
AUTHORS, ipmi plugin: Added Peter Holik as copyright holder.
collectd.conf(5): Added documentation for the ipmi plugin.
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
collectd.conf(5): Added documentation for the ipmi plugin.
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
ipmi plugin: Send notifications upon `not present' sensors.
This may be an unplugged power supply, for example. With the
`NotifySensorNotPresent' the plugin can be configured to create a notification
in this case.
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
This may be an unplugged power supply, for example. With the
`NotifySensorNotPresent' the plugin can be configured to create a notification
in this case.
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
ipmi plugin: Send notifications upon added/removed sensors.
It's enabled using the two new configuration options:
* NotifySensorAdd
A notification is produced when a sensor is removed. During the first
minute, i. e. while the plugin is scanning for sensors, this is disabled.
* NotifySensorRemove
If a sensor got removed a notification is produced.
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
It's enabled using the two new configuration options:
* NotifySensorAdd
A notification is produced when a sensor is removed. During the first
minute, i. e. while the plugin is scanning for sensors, this is disabled.
* NotifySensorRemove
If a sensor got removed a notification is produced.
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
ipmi plugin: Rename IPMI sensors so names are unique.
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql plugin: Added support for protocol versions less than 3.
Support for passing parameters to a query was added in protocol version 3
which was introduced in version 7.4 of PostgreSQL (later version still support
earlier protocol versions though). If that is not available, we now fall back
to PQexec() if no parameters have been specified. Else, we skip the query and
report an error.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Support for passing parameters to a query was added in protocol version 3
which was introduced in version 7.4 of PostgreSQL (later version still support
earlier protocol versions though). If that is not available, we now fall back
to PQexec() if no parameters have been specified. Else, we skip the query and
report an error.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql plugin: Fixed determination of 'max_params_num'.
When adding the default queries to a database definition, 'max_params_num' has
not been updated at all, resulting in a failed assertion during query
execution. This is now fixed by splitting the common code for adding a query
definition to a database definition into a new function and using that
function where appropriate.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
When adding the default queries to a database definition, 'max_params_num' has
not been updated at all, resulting in a failed assertion during query
execution. This is now fixed by splitting the common code for adding a query
definition to a database definition into a new function and using that
function where appropriate.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql plugin: Added "disk_usage" query.
This is a new default query which collects the on-disk size of a database in
bytes. A new type "pg_db_size" has been added to types.db for this purpose.
The documentation in collectd.conf(5) and collection.cgi have been updated to
reflect this change.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
This is a new default query which collects the on-disk size of a database in
bytes. A new type "pg_db_size" has been added to types.db for this purpose.
The documentation in collectd.conf(5) and collection.cgi have been updated to
reflect this change.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql_default.conf, postgresql plugin: Split default queries by category.
The default queries have been split as follows:
| old | new |
+----------------+------------------------------------+
| database | backends, transactions |
| user_tables | queries, query_plans, table_states |
| io_user_tables | disk_io |
This allows for a more fine-grained control over which statistics are to be
collected.
The documentation and default queries definition have been updated to reflect
this change.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
The default queries have been split as follows:
| old | new |
+----------------+------------------------------------+
| database | backends, transactions |
| user_tables | queries, query_plans, table_states |
| io_user_tables | disk_io |
This allows for a more fine-grained control over which statistics are to be
collected.
The documentation and default queries definition have been updated to reflect
this change.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
src/common.h: Make sfree() usable like a function.
By putting the code into a "do { } while (0)" loop it is treated like a single
statement and does not break "if () sfree()" like constructs.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
By putting the code into a "do { } while (0)" loop it is treated like a single
statement and does not break "if () sfree()" like constructs.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
src/Makefile.am: Check for POD errors in the generated manpages.
If any of the generated manpages includes the string '\<POD ERRORS\>' the
build aborts with an error message. If pod2man finds any errors it adds a
section with that name to the output.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
If any of the generated manpages includes the string '\<POD ERRORS\>' the
build aborts with an error message. If pod2man finds any errors it adds a
section with that name to the output.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
collectd(1), collectd{-exec,.conf}(5): Fixed some minor POD errors.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
build system: Automatically enable the processes and tcpconns plugins.
Merge branch 'collectd-4.4'
Conflicts:
configure.in
Conflicts:
configure.in
Merge branch 'collectd-4.3' into collectd-4.4
build system: Automatically enable the swap plugin if the kvm library is found.
This fixes a bug introduced with the previous commit.
This fixes a bug introduced with the previous commit.
build system: Check for `kvm_nlist'.
Build the tcpconns plugin if it exists.
Build the tcpconns plugin if it exists.
Merge branch 'ms/tcpconns'
build system: Check for `kvm_getprocs'.
Link the processes plugin with the `kvm' library if it provides this symbol.
Link the processes plugin with the `kvm' library if it provides this symbol.
Merge branch 'collectd-4.4'
Conflicts:
src/tcpconns.c
Conflicts:
src/tcpconns.c
Merge branch 'collectd-4.3' into collectd-4.4
Merge branch 'collectd-4.3' of /var/lib/git/collectd into collectd-4.3
build system: Define which version of libkvm has been checked for.
The used `kvm_getswapinfo' is apparently an extension not all versions of the
kvm library support.
The used `kvm_getswapinfo' is apparently an extension not all versions of the
kvm library support.
tcpconns plugin: Removed legacy variables.
`off' was forgotten and the global `nl' was already commented out.
`off' was forgotten and the global `nl' was already commented out.
tcpconns plugin: Fix another format string.
tcpconns plugin: Various fixes for OpenBSD.
- Renamed the TCP states to be the same as used with other operating systems.
- Improved and added error messages.
- Stripped down the `struct nlist'.
- Cleaned up `conn_read'.
- Support for IPv6 sockets has been improved: Not connected IPv6 sockets are
now ignored, too. No idea what the remote-port previously would have been.
- Renamed the TCP states to be the same as used with other operating systems.
- Improved and added error messages.
- Stripped down the `struct nlist'.
- Cleaned up `conn_read'.
- Support for IPv6 sockets has been improved: Not connected IPv6 sockets are
now ignored, too. No idea what the remote-port previously would have been.
AUTHORS: Added Michael Stapelberg.
build system: Added OpenBSD specific behavior for the tcpconns plugin.
tcpconns plugin: Add compatibility for OpenBSD.
Hi there,
I've just integrated OpenBSD-support into the tcpconns module. Please test this
thouroughly, it's not running for so long on my box (but works fine).
Also, please add -lkvm to the right place in the autoconf-stuff so that when
using tcpconns on OpenBSD, libkvm is linked.
Also, I'm not sure about how much of the license we need to embed. I'll
therefore post the full license information so you can put it in if you feel
like:
/* $collectd: parts of tcpconns.c, 2008/08/08 03:48:30 Michael Stapelberg $ */
/* $OpenBSD: inet.c,v 1.100 2007/06/19 05:28:30 ray Exp $ */
/* $NetBSD: inet.c,v 1.14 1995/10/03 21:42:37 thorpej Exp $ */
/*
* Copyright (c) 1983, 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
Best regards,
Michael
Hi there,
I've just integrated OpenBSD-support into the tcpconns module. Please test this
thouroughly, it's not running for so long on my box (but works fine).
Also, please add -lkvm to the right place in the autoconf-stuff so that when
using tcpconns on OpenBSD, libkvm is linked.
Also, I'm not sure about how much of the license we need to embed. I'll
therefore post the full license information so you can put it in if you feel
like:
/* $collectd: parts of tcpconns.c, 2008/08/08 03:48:30 Michael Stapelberg $ */
/* $OpenBSD: inet.c,v 1.100 2007/06/19 05:28:30 ray Exp $ */
/* $NetBSD: inet.c,v 1.14 1995/10/03 21:42:37 thorpej Exp $ */
/*
* Copyright (c) 1983, 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
Best regards,
Michael
tcpconns plugin: Fix formatstrings.
snmp plugin: Fix a possible memory leak.
The result was not freed when `csnmp_instance_list_add' failed. This
rarely happens in 4.3, but later versions will be more strict in the
function, so this became a problem.
The result was not freed when `csnmp_instance_list_add' failed. This
rarely happens in 4.3, but later versions will be more strict in the
function, so this became a problem.
contrib/collection3: Added a couple more graph definitions.
contrib/collection3: Added the forgotten Collectd::Graph::Config module.
Merge branch 'collectd-4.4'
Merge branch 'collectd-4.3' into collectd-4.4
snmp plugin: Issue an error if an instance name is empty.
src/utils_threshold.c: Free allocated memory before returning..
..in an error condition.
..in an error condition.
memory plugin: The variable is named cache, not cached, at least on libstatgrab >= 0.16
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
configure.in: Look for ip_vs.h in the kernel sources.
Developers,
I am writing an updated ebuild for gentoo and I made this patch that allows
ip_vs.h to be located and the ipvs module to build. Normally I would include
this with the ebuild, but I thought it may be beneficial to send it to you.
Please review it and let me know what you think. I am still inexperienced with
autotools so the patch may not be well put together. If you would consider
applying it or a similar patch, please let me know so I can adjust the ebuild
accordingly.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Developers,
I am writing an updated ebuild for gentoo and I made this patch that allows
ip_vs.h to be located and the ipvs module to build. Normally I would include
this with the ebuild, but I thought it may be beneficial to send it to you.
Please review it and let me know what you think. I am still inexperienced with
autotools so the patch may not be well put together. If you would consider
applying it or a similar patch, please let me know so I can adjust the ebuild
accordingly.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
bindings/perl/Collectd.pm: Improved the way access to @plugins is synchronized.
So far, a lock has been placed on @plugins, so that no two threads could
access the list of plugins simultaneously. This could cause problems which in
certain situations could even lead to deadlocks. E.g. when using the perl
plugin in combination with the rrdtool plugin with debugging enabled one would
get hit by the following situation: the perl plugin holds the lock on @plugins
and then dispatches values to the rrdtool plugin from some Perl plugin's read
function. The rrdtool plugin then tries to acquire its cache lock. At the same
time some other plugin dispatches values to the rrdtool plugin as well and
this thread now holds the lock on the rrdtool cache. While holding that lock,
the rrdtool plugin might dispatch a debug logging message and thus calls the
perl plugin's log-callback which tries to get the lock on @plugins thus
causing a deadlock.
This has been resolved by the following two changes:
* Restrict the lock to the list of plugins of one type. This allows to access
e.g. read and log plugins in parallel.
* Unlock the variable before calling the Perl callback function. This
further prevents nested locks.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
So far, a lock has been placed on @plugins, so that no two threads could
access the list of plugins simultaneously. This could cause problems which in
certain situations could even lead to deadlocks. E.g. when using the perl
plugin in combination with the rrdtool plugin with debugging enabled one would
get hit by the following situation: the perl plugin holds the lock on @plugins
and then dispatches values to the rrdtool plugin from some Perl plugin's read
function. The rrdtool plugin then tries to acquire its cache lock. At the same
time some other plugin dispatches values to the rrdtool plugin as well and
this thread now holds the lock on the rrdtool cache. While holding that lock,
the rrdtool plugin might dispatch a debug logging message and thus calls the
perl plugin's log-callback which tries to get the lock on @plugins thus
causing a deadlock.
This has been resolved by the following two changes:
* Restrict the lock to the list of plugins of one type. This allows to access
e.g. read and log plugins in parallel.
* Unlock the variable before calling the Perl callback function. This
further prevents nested locks.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
contrib/collection3: Add JavaScript code to unify the timespan of all graphs.
Using the new ``Set all images to this timespan'' button one can now easily
show the same timespan in all graphs. This allows to compare different graphs
much more easily.
Using the new ``Set all images to this timespan'' button one can now easily
show the same timespan in all graphs. This allows to compare different graphs
much more easily.
contrib/collection3: Update `json.cgi' to use the new config parsing function.
controb/collection3: Implement zooming using the mouse wheel.
Also you can now re-center the graph with a double click.
Also you can now re-center the graph with a double click.
contrib/collection3: Add a generic `instance' placeholder.
It will be replaced by either the type or plugin instance, depending on
which is defined.. This is handy for temperatures and stuff like that,
where sometimes the type instance doesn't exist.
It will be replaced by either the type or plugin instance, depending on
which is defined.. This is handy for temperatures and stuff like that,
where sometimes the type instance doesn't exist.
contrib/collection3: Move configuration logic into Collectd::Graph::Config.
contrib/collection3: Updated the `collection3' stuff in contrib/.
examples/myplugin.c: Use sstrncpy instead of strcpy.
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
src/Makefile.am: Add `postgresql_default.conf' to `EXTRA_DIST'.
collectd.conf(5): Documented the support for custom queries.
Also, collectd.conf.in has been updated.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Also, collectd.conf.in has been updated.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql plugin: Moved pg_stat_database query to postgresql_default.conf.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql plugin: Fixed the expansion of the "hostname" parameter.
If the configured hostname specifies a UNIX domain socket, the parameter now
expands to "localhost" as described earlier.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
If the configured hostname specifies a UNIX domain socket, the parameter now
expands to "localhost" as described earlier.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql plugin: Added support for passing parameters to a query.
The parameters are referred to in the query string as $1, $2, ... The value of
a parameter is specified using the new "Param <name>" config option of a
"<Query>" block. <name> may be any of "hostname", "database" or "username"
which will be replaced by the value of the appropriate connection parameters.
The hostname will not evaluate to the the UNIX domain socket path -
"localhost" will be used instead.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
The parameters are referred to in the query string as $1, $2, ... The value of
a parameter is specified using the new "Param <name>" config option of a
"<Query>" block. <name> may be any of "hostname", "database" or "username"
which will be replaced by the value of the appropriate connection parameters.
The hostname will not evaluate to the the UNIX domain socket path -
"localhost" will be used instead.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql plugin: Define default queries in a configuration file.
Instead of writing custom code for each default query, those are now defined
in a configuration file which is parsed using the same mechanism as used for
user-defined queries. This configuration file (postgresql_default.conf) is
installed into $pkgdatadir.
Querying the pg_stat_database view is not currently supported this way. This
would require support for parameters in user-defined queries which is not
(yet) available.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Instead of writing custom code for each default query, those are now defined
in a configuration file which is parsed using the same mechanism as used for
user-defined queries. This configuration file (postgresql_default.conf) is
installed into $pkgdatadir.
Querying the pg_stat_database view is not currently supported this way. This
would require support for parameters in user-defined queries which is not
(yet) available.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql plugin: Added support for custom queries.
The user may now define and use custom queries to collect data. A query is
defined by specifying the SQL query to execute and a definition of the data
type of each result column:
<Query magic>
Query "SELECT magic FROM wizard;"
Column gauge magic
</Query>
The "Column" configuration option specifies the type name and optional type
instance: Column <type> [<type_instance>]. The number and order of the
"Column" option has to match the columns of the query result.
A query is activated by adding the configuration option "Query <name>" to the
appropriate "<Database>" configuration blocks. A query may be used multiple
times.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
The user may now define and use custom queries to collect data. A query is
defined by specifying the SQL query to execute and a definition of the data
type of each result column:
<Query magic>
Query "SELECT magic FROM wizard;"
Column gauge magic
</Query>
The "Column" configuration option specifies the type name and optional type
instance: Column <type> [<type_instance>]. The number and order of the
"Column" option has to match the columns of the query result.
A query is activated by adding the configuration option "Query <name>" to the
appropriate "<Database>" configuration blocks. A query may be used multiple
times.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
postgresql plugin: Split off memory management into dedicated functions.
Allocation and freeing of c_psql_database_t objects is now handled by the new
functions. This increases readability of the code.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>
Allocation and freeing of c_psql_database_t objects is now handled by the new
functions. This increases readability of the code.
Signed-off-by: Sebastian Harl <sh@tokkee.org>
Signed-off-by: Florian Forster <octo@huhu.verplant.org>