X-Git-Url: https://git.octo.it/?p=collectd.git;a=blobdiff_plain;f=src%2Fcollectd.conf.pod;h=a38a9986155a3e94461a8cbd937c3ac1ef393199;hp=bbeddf21baf6aa7c31e1bf3efaaf07014d9bfacd;hb=711f5b6c86f51061c21bedcaa46214a01de0125c;hpb=b9b5e5d573d0011c4f3276e9b84b73ba4dd2e870 diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod index bbeddf21..a38a9986 100644 --- a/src/collectd.conf.pod +++ b/src/collectd.conf.pod @@ -530,9 +530,9 @@ are disabled by default. =head2 Plugin C The I can be used to communicate with other instances of -I or third party applications using an AMQP message broker. Values -are sent to or received from the broker, which handles routing, queueing and -possibly filtering out messages. +I or third party applications using an AMQP 0.9.1 message broker. +Values are sent to or received from the broker, which handles routing, +queueing and possibly filtering out messages. B @@ -738,6 +738,171 @@ is preserved, i.e. passed through. =back +=head2 Plugin C + +The I can be used to communicate with other instances of +I or third party applications using an AMQP 1.0 message +intermediary. Metric values or notifications are sent to the +messaging intermediary which may handle direct messaging or +queue based transfer. + +B + + + # Send values to an AMQP 1.0 intermediary + + Host "localhost" + Port "5672" + User "guest" + Password "guest" + Address "collectd" +# RetryDelay 1 + + Format "command" + PreSettle false + Notify false + # StoreRates false + # GraphitePrefix "collectd." + # GraphiteEscapeChar "_" + # GraphiteSeparateInstances false + # GraphiteAlwaysAppendDS false + # GraphitePreserveSeparator false + + + + +The plugin's configuration consists of a I that configures +communications to the AMQP 1.0 messaging bus and one or more I +corresponding to metric or event publishers to the messaging system. + +The address in the I block concatenated with the name given in the +I block starting tag will be used as the send-to address for +communications over the messaging link. + +The following options are accepted within each I block: + +=over 4 + +=item B I + +Hostname or IP-address of the AMQP 1.0 intermediary. Defaults to the +default behavior of the underlying communications library, +I, which is "localhost". + +=item B I + +Service name or port number on which the AMQP 1.0 intermediary accepts +connections. This argument must be a string, even if the numeric form +is used. Defaults to "5672". + +=item B I + +=item B I + +Credentials used to authenticate to the AMQP 1.0 intermediary. By +default "guest"/"guest" is used. + +=item B
I
+ +This option specifies the prefix for the send-to value in the message. +By default, "collectd" will be used. + +=item B I + +When the AMQP1 connection is lost, defines the time in seconds to wait +before attempting to reconnect. Defaults to 1, which implies attempt +to reconnect at 1 second intervals. + +=back + +The following options are accepted within each I block: + +=over 4 + +=item B B|B|B + +Selects the format in which messages are sent to the intermediary. If set to +B (the default), values are sent as C commands which are +identical to the syntax used by the I and I. In this +case, the C header field will be set to C. + +If set to B, the values are encoded in the I, +an easy and straight forward exchange format. The C header field +will be set to C. + +If set to B, values are encoded in the I format, which is +" \n". The C header field will be set to +C. + +A subscribing client I use the C header field to +determine how to decode the values. + +=item B B|B + +If set to B (the default), the plugin will wait for a message +acknowledgement from the messaging bus before sending the next +message. This indicates transfer of ownership to the messaging +system. If set to B, the plugin will not wait for a message +acknowledgement and the message may be dropped prior to transfer of +ownership. + +=item B B|B + +If set to B (the default), the plugin will service the +instance write call back as a value list. If set to B the +plugin will service the instance as a write notification callback +for alert formatting. + +=item B B|B + +Determines whether or not C, C and C data sources +are converted to a I (i.e. a C value). If set to B (the +default), no conversion is performed. Otherwise the conversion is performed +using the internal value cache. + +Please note that currently this option is only used if the B option has +been set to B. + +=item B + +A prefix can be added in the metric name when outputting in the I format. +It's added before the I name. +Metric name will be "" + +=item B + +A postfix can be added in the metric name when outputting in the I format. +It's added after the I name. +Metric name will be "" + +=item B + +Specify a character to replace dots (.) in the host part of the metric name. +In I metric name, dots are used as separators between different +metric parts (host, plugin, type). +Default is "_" (I). + +=item B B|B + +If set to B, the plugin instance and type instance will be in their own +path component, for example C. If set to B (the +default), the plugin and plugin instance (and likewise the type and type +instance) are put into one component, for example C. + +=item B B|B + +If set to B, append the name of the I (DS) to the "metric" +identifier. If set to B (the default), this is only done when there is +more than one DS. + +=item B B|B + +If set to B (the default) the C<.> (dot) character is replaced with +I. Otherwise, if set to B, the C<.> (dot) character +is preserved, i.e. passed through. + +=back + =head2 Plugin C To configure the C-plugin you first need to configure the Apache @@ -1497,6 +1662,10 @@ installed) to get the current CPU frequency. If this file does not exist make sure B (L) or a similar tool is installed and an "cpu governor" (that's a kernel module) is loaded. +If the system has the I kernel module loaded, this plugin reports +the rate of p-state (cpu frequency) transitions and the percentage of time spent +in each p-state. + =head2 Plugin C This plugin doesn't have any options. It reads CLOCK_BOOTTIME and @@ -1743,6 +1912,11 @@ plugin below on how matches are defined. If the B or B options are set to B, B blocks are optional. +=item B I + +Sets the interval (in seconds) in which the values will be collected from this +URL. By default the global B setting will be used. + =item B I The B option sets the overall timeout for HTTP requests to B, in @@ -1939,6 +2113,11 @@ Use I as the plugin instance when submitting values. May be overridden by B option inside B blocks. Defaults to an empty string (no plugin instance). +=item B I + +Sets the interval (in seconds) in which the values will be collected from this +URL. By default the global B setting will be used. + =item B I I If an XPath expression references namespaces, they must be specified @@ -3031,6 +3210,30 @@ Pause to apply between attempts of connection to gpsd in seconds (default 5 sec) =back +=head2 Plugin C + +Efficiently collects various statistics from the system's NVIDIA GPUs using the +NVML library. Currently collected are fan speed, core temperature, percent +load, percent memory used, compute and memory frequencies, and power +consumption. + +=over 4 + +=item B + +If one or more of these options is specified, only GPUs at that index (as +determined by nvidia-utils through I) have statistics collected. +If no instance of this option is specified, all GPUs are monitored. + +=item B + +If set to true, all detected GPUs B the ones at indices specified by +B entries are collected. For greater clarity, setting IgnoreSelected +without any GPUIndex directives will result in B statistics being +collected. + +=back + =head2 Plugin C The I plugin provides an RPC interface to submit values to or query @@ -3182,6 +3385,7 @@ B ReportSoftwareEvents true EventList "/var/cache/pmu/GenuineIntel-6-2D-core.json" HardwareEvents "L2_RQSTS.CODE_RD_HIT,L2_RQSTS.CODE_RD_MISS" "L2_RQSTS.ALL_CODE_RD" + Cores "0-3" "4,6" "[12-15]" B @@ -3253,6 +3457,23 @@ event_download.py script to download event list for current CPU. This field is a list of event names or groups of comma separated event names. This option requires B option to be configured. +=item B I + +All events are reported on a per core basis. Monitoring of the events can be +configured for a group of cores (aggregated statistics). This field defines +groups of cores on which to monitor supported events. The field is represented +as list of strings with core group values. Each string represents a list of +cores in a group. If a group is enclosed in square brackets each core is added +individually to a separate group (that is statistics are not aggregated). +Allowed formats are: + 0,1,2,3 + 0-10,20-18 + 1,3,5-8,10,0x10-12 + [4-15,32-63] + +If an empty string is provided as value for this field default cores +configuration is applied - that is separate group is created for each core. + =back =head2 Plugin C @@ -3453,8 +3674,23 @@ a notification is sent. Defaults to B. If system event log (SEL) is enabled, plugin will listen for sensor threshold and discrete events. When event is received the notification is sent. +SEL event filtering can be configured using B and B +config options. Defaults to B. +=item B I + +Selects sensors to get events from or to ignore, depending on B. + +See F for details. + +=item B I|I + +If no configuration is given, the B plugin will pass events from all +sensors. This option enables you to do that: By setting B +to I the effect of B is inverted: All events from selected +sensors are ignored and all events from other sensors are passed. + =item B I|I If SEL clear event is enabled, plugin will delete event from SEL list after @@ -4059,8 +4295,9 @@ which the sizes of physical memory vary. The B connects to a Modbus "slave" via Modbus/TCP or Modbus/RTU and reads register values. It supports reading single registers (unsigned 16Ebit -values), large integer values (unsigned 32Ebit values) and floating point -values (two registers interpreted as IEEE floats in big endian notation). +values), large integer values (unsigned 32Ebit and 64Ebit values) and +floating point values (two registers interpreted as IEEE floats in big endian +notation). B @@ -4070,6 +4307,8 @@ B RegisterCmd ReadHolding Type voltage Instance "input-1" + #Scale 1.0 + #Shift 0.0 @@ -4128,7 +4367,7 @@ Configures the base register to read from the device. If the option B has been set to B or B, this and the next register will be read (the register number is increased by one). -=item B B|B|B|B|B|B|B|B +=item B B|B|B|B|B|B|B|B|B|B Specifies what kind of data is returned by the device. This defaults to B. If the type is B, B, B, B, @@ -4140,7 +4379,10 @@ significant 16Ebits are in the register at B. For B, B, or B, the high and low order registers are swapped with the most significant 16Ebits in the B and the least significant 16Ebits in -B. +B. If the type is B or B, four 16Ebit +registers at B, B, B and +B will be read and the data combined into one +64Evalue. =item B B|B @@ -4155,9 +4397,19 @@ supported. =item B I -Sets the type instance to use when dispatching the value to I. If +Sets the type instance to use when dispatching the value to I. If unset, an empty string (no type instance) is used. +=item B I + +The values taken from device are multiplied by I. The field is optional +and the default is B<1.0>. + +=item B I + +I is added to values from device after they have been multiplied by +B value. The field is optional and the default value is B<0.0>. + =back =item EB IE blocks @@ -5081,8 +5333,9 @@ When configuring with B only the basic statistics will be collected, namely octets, packets, and errors. These statistics are collected by the C plugin, too, so using both at the same time is no benefit. -When configured with B all counters B the basic ones, -so that no data needs to be collected twice if you use the C plugin. +When configured with B all counters B the basic ones +will be collected, so that no data needs to be collected twice if you use the +C plugin. This includes dropped packets, received multicast packets, collisions and a whole zoo of differentiated RX and TX errors. You can try the following command to get an idea of what awaits you: @@ -5224,6 +5477,12 @@ behavior is to let the kernel choose the appropriate interface. Be warned that the manual selection of an interface for unicast traffic is only necessary in rare cases. +=item B I + +Set the outgoing IP address for IP packets. This option can be used instead of +the I option to explicitly define the IP address which will be used +to send Packets to the remote server. + =item B I Sets the interval at which to re-resolve the DNS for the I. This is @@ -6016,6 +6275,7 @@ B Address "127.0.0.1" Socket "/var/run/openvswitch/db.sock" Bridges "br0" "br_ext" + InterfaceStats false The plugin provides the following configuration options: @@ -6049,6 +6309,59 @@ omitted or is empty then all OVS bridges will be monitored. Default: empty (monitor all bridges) +=item B B|B + +Indicates that the plugin should gather statistics for individual interfaces +in addition to ports. This can be useful when monitoring an OVS setup with +bond ports, where you might wish to know individual statistics for the +interfaces included in the bonds. Defaults to B. + +=back + +=head2 Plugin C + +The I plugin collects PCI Express errors from Device Status in Capability +structure and from Advanced Error Reporting Extended Capability where available. +At every read it polls config space of PCI Express devices and dispatches +notification for every error that is set. It checks for new errors at every read. +The device is indicated in plugin_instance according to format "domain:bus:dev.fn". +Errors are divided into categories indicated by type_instance: "correctable", and +for uncorrectable errors "non_fatal" or "fatal". +Fatal errors are reported as I and all others as I. + +B + + + Source "sysfs" + AccessDir "/sys/bus/pci" + ReportMasked false + PersistentNotifications false + + +B + +=over 4 + +=item B B|B + +Use B or B to read data from /sysfs or /proc. +The default value is B. + +=item B I + +Directory used to access device config space. It is optional and defaults to +/sys/bus/pci for B and to /proc/bus/pci for B. + +=item B B|B + +If true plugin will notify about errors that are set to masked in Error Mask register. +Such errors are not reported to the PCI Express Root Complex. Defaults to B. + +=item B B|B + +If false plugin will dispatch notification only on set/clear of error. +The ones already reported will be ignored. Defaults to B. + =back =head2 Plugin C @@ -7003,6 +7316,7 @@ multiple routers: CollectRegistrationTable true CollectDF true CollectDisk true + CollectHealth true @@ -7063,29 +7377,37 @@ Defaults to B. When enabled, the number of sectors written and bad blocks will be collected. Defaults to B. +=item B B|B + +When enabled, the health statistics will be collected. This includes the +voltage and temperature on supported hardware. +Defaults to B. + =back =head2 Plugin C -The I connects to one or more Redis servers and gathers -information about each server's state. For each server there is a I block -which configures the connection parameters for this node. +The I connects to one or more Redis servers, gathers +information about each server's state and executes user-defined queries. +For each server there is a I block which configures the connection +parameters and set of user-defined queries for this node. Host "localhost" Port "6379" + #Socket "/var/run/redis/redis.sock" Timeout 2000 + ReportCommandStats false + ReportCpuUsage true + #Database 0 Type "queue_length" Instance "myqueue" - + -The information shown in the synopsis above is the I -which is used by the plugin if no configuration is present. - =over 4 =item B I @@ -7093,7 +7415,9 @@ which is used by the plugin if no configuration is present. The B block identifies a new Redis node, that is a new Redis instance running in an specified host and port. The name for node is a canonical identifier which is used as I. It is limited to -64Echaracters in length. +128Echaracters in length. + +When no B is configured explicitly, plugin connects to "localhost:6379". =item B I @@ -7106,6 +7430,11 @@ The B option is the TCP port on which the Redis instance accepts connections. Either a service name of a port number may be given. Please note that numerical port numbers must be given as a string, too. +=item B I + +Connect to Redis using the UNIX domain socket at I. If this +setting is given, the B and B settings are ignored. + =item B I Use I to authenticate when connecting to I. @@ -7113,25 +7442,47 @@ Use I to authenticate when connecting to I. =item B I The B option set the socket timeout for node response. Since the Redis -read function is blocking, you should keep this value as low as possible. Keep -in mind that the sum of all B values for all B should be lower -than B defined globally. +read function is blocking, you should keep this value as low as possible. +It is expected what B values should be lower than B defined +globally. + +Defaults to 2000 (2 seconds). + +=item B B|B + +Enables or disables reporting of statistics based on the command type, including +rate of command calls and average CPU time consumed by command processing. +Defaults to B. + +=item B B|B + +Enables or disables reporting of CPU consumption statistics. +Defaults to B. =item B I The B block identifies a query to execute against the redis server. -There may be an arbitrary number of queries to execute. +There may be an arbitrary number of queries to execute. Each query should +return single string or integer. =item B I -Within a query definition, a valid collectd type to use as when submitting +Within a query definition, a valid I to use as when submitting the result of the query. When not supplied, will default to B. +Currently only types with one datasource are supported. +See L for more details on types and their configuration. + =item B I Within a query definition, an optional type instance to use when submitting the result of the query. When not supplied will default to the escaped -command, up to 64 chars. +command, up to 128 chars. + +=item B I + +This index selects the Redis logical database to use for query. Defaults +to C<0>. =back @@ -7571,7 +7922,9 @@ B IndexOID "IF-MIB::ifIndex" SizeOID "IF-MIB::ifNumber" - Instance true + + Source "PluginInstance" + Plugin "interface" OIDs "IF-MIB::ifDescr" @@ -7582,12 +7935,44 @@ B OIDs "IF-MIB::ifInOctets" "IF-MIB::ifOutOctets" + + + + Source "PluginInstance" + + Plugin "virt" + OIDs "LIBVIRT-HYPERVISOR-MIB::lvhAffinityDomainName" + + + Plugin "virt" + + Source "TypeInstance" + Regex "^vcpu_([0-9]{1,3})-cpu_[0-9]{1,3}$" + Group 1 + + OIDs "LIBVIRT-HYPERVISOR-MIB::lvhVCPUIndex" + + + Plugin "virt" + + Source "TypeInstance" + Regex "^vcpu_[0-9]{1,3}-cpu_([0-9]{1,3})$" + Group 1 + + OIDs "LIBVIRT-HYPERVISOR-MIB::lvhCPUIndex" + + + Plugin "virt" + Type "cpu_affinity" + OIDs "LIBVIRT-HYPERVISOR-MIB::lvhCPUAffinity" + +
There are two types of blocks that can be contained in the CPluginE snmp_agentE> block: B and B: -=head3 The B block +=head3 B block The B block defines a list OIDs that are to be handled. This block can define scalar or table OIDs. If B block is defined inside of B
@@ -7596,11 +7981,34 @@ The following options can be set: =over 4 -=item B I +=item B block + +B block contains all data needed for proper index build of snmp table. +In case more than +one table B block has B block present then multiple key index is +built. If B block defines scalar data type B has no effect and can +be omitted. + +=over 8 + +=item B I -When B is set to B, the value for requested OID is copied from -plugin instance field of corresponding collectd value. If B block defines -scalar data type B has no effect and can be omitted. +B can be set to one of the following values: "Hostname", "Plugin", +"PluginInstance", "Type", "TypeInstance". This value indicates which field of +corresponding collectd metric is taken as a SNMP table index. + +=item B I + +B option can also be used to parse strings or numbers out of +specific field. For example: type-instance field which is "vcpu1-cpu2" can be +parsed into two numeric fields CPU = 2 and VCPU = 1 and can be later used +as a table index. + +=item B I + +B number can be specified in case groups are used in regex. + +=back =item B I @@ -7989,26 +8397,26 @@ Sets how the values are cumulated. I is one of: =item B -Calculate the average. +Calculate the average of all values matched during the interval. =item B -Use the smallest number only. +Report the smallest value matched during the interval. =item B -Use the greatest number only. +Report the greatest value matched during the interval. =item B -Use the last number found. +Report the last value matched during the interval. =item B -Use the last number found. The number is not reset at the end of an interval. -It is continously reported until another number is matched. This is intended -for cases in which only state changes are reported, for example a thermometer -that only reports the temperature when it changes. +Report the last matching value. The metric is I reset to C at the end +of an interval. It is continuously reported until another value is matched. +This is intended for cases in which only state changes are reported, for +example a thermometer that only reports the temperature when it changes. =item B @@ -8039,6 +8447,9 @@ Increase the internal counter by one. These B are the only ones that do not use the matched subexpression, but simply count the number of matched lines. Thus, you may use a regular expression without submatch in this case. +B is reset to I after every read, unlike other B +metrics which are reset to C. + =item B Type to do calculations based on the distribution of values, primarily @@ -8112,8 +8523,12 @@ The B and B types interpret the submatch as a floating point number, using L. The B and B types interpret the submatch as an unsigned integer using L. The B types interpret the submatch as a signed integer using -L. B and B do not use the submatch at all -and it may be omitted in this case. +L. B, B and B do not use the +submatch at all and it may be omitted in this case. + +The B types, unless noted otherwise, are reset to C after being +reported. In other words, B reports the average of all values +matched since the last metric was reported (or C if there was no match). =item B I @@ -8137,13 +8552,14 @@ B Type "percent" Instance "dropped" - Index 1 + ValueFrom 1 Plugin "snortstats" Instance "eth0" Interval 600 Collect "snort-dropped" + #TimeFrom 0 @@ -8465,6 +8881,33 @@ dynamic number assigned by the kernel. Otherwise, CnE> is used if there is only one package and CnE-coreEmE> if there is more than one, where I is the n-th core of package I. +=item B I|I + +Reading data from CPU has side-effect: collectd process's CPU affinity mask +changes. After reading data is completed, affinity mask needs to be restored. +This option allows to set restore policy. + +B (the default): Restore the affinity by setting affinity to any/all +CPUs. + +B: Save affinity using sched_getaffinity() before reading data and +restore it after. + +On some systems, sched_getaffinity() will fail due to inconsistency of the CPU +set size between userspace and kernel. In these cases plugin will detect the +unsuccessful call and fail with an error, preventing data collection. +Most of configurations does not need to save affinity as Collectd process is +allowed to run on any/all available CPUs. + +If you need to save and restore affinity and get errors like 'Unable to save +the CPU affinity', setting 'possible_cpus' kernel boot option may also help. + +See following links for details: + +L +L +L + =back =head2 Plugin C @@ -8734,6 +9177,40 @@ only on the host system. Only I is required. +Consider the following example config: + + + Connection "qemu:///system" + HostnameFormat "hostname" + InterfaceFormat "address" + PluginInstanceFormat "name" + + +It will generate the following values: + + node42.example.com/virt-instance-0006f26c/disk_octets-vda + node42.example.com/virt-instance-0006f26c/disk_ops-vda + node42.example.com/virt-instance-0006f26c/if_dropped-ca:fe:ca:fe:ca:fe + node42.example.com/virt-instance-0006f26c/if_errors-ca:fe:ca:fe:ca:fe + node42.example.com/virt-instance-0006f26c/if_octets-ca:fe:ca:fe:ca:fe + node42.example.com/virt-instance-0006f26c/if_packets-ca:fe:ca:fe:ca:fe + node42.example.com/virt-instance-0006f26c/memory-actual_balloon + node42.example.com/virt-instance-0006f26c/memory-available + node42.example.com/virt-instance-0006f26c/memory-last_update + node42.example.com/virt-instance-0006f26c/memory-major_fault + node42.example.com/virt-instance-0006f26c/memory-minor_fault + node42.example.com/virt-instance-0006f26c/memory-rss + node42.example.com/virt-instance-0006f26c/memory-swap_in + node42.example.com/virt-instance-0006f26c/memory-swap_out + node42.example.com/virt-instance-0006f26c/memory-total + node42.example.com/virt-instance-0006f26c/memory-unused + node42.example.com/virt-instance-0006f26c/memory-usable + node42.example.com/virt-instance-0006f26c/virt_cpu_total + node42.example.com/virt-instance-0006f26c/virt_vcpu-0 + +You can get information on the metric's units from the online libvirt documentation. +For instance, I is in nanoseconds. + =over 4 =item B I @@ -8826,7 +9303,7 @@ be set to C. Setting C will cause the I to be set to C. -=item B B +=item B B When the virt plugin logs data, it sets the hostname of the collected data according to this setting. The default is to use the guest name as provided by @@ -8836,7 +9313,11 @@ B means use the guest's UUID. This is useful if you want to track the same guest across migrations. B means to use the global B setting, which is probably not -useful on its own because all guests will appear to have the same name. +useful on its own because all guests will appear to have the same name. This is +useful in conjunction with B though. + +B means use information from guest's metadata. Use +B and B to localize this information. You can also specify combinations of these fields. For example B means to concatenate the guest name and UUID (with a literal colon character @@ -8846,7 +9327,7 @@ At the moment of writing (collectd-5.5), hostname string is limited to 62 characters. In case when combination of fields exceeds 62 characters, hostname will be truncated without a warning. -=item B B|B
+=item B B|B
|B When the virt plugin logs interface data, it sets the name of the collected data according to this setting. The default is to use the path as provided by @@ -8856,23 +9337,42 @@ setting B. B
means use the interface's mac address. This is useful since the interface path might change between reboots of a guest or across migrations. -=item B B +B means use the interface's number in guest. + +=item B B When the virt plugin logs data, it sets the plugin_instance of the collected data according to this setting. The default is to not set the plugin_instance. B means use the guest's name as provided by the hypervisor. B means use the guest's UUID. +B means use information from guest's metadata. You can also specify combinations of the B and B fields. For example B means to concatenate the guest name and UUID (with a literal colon character between, thus I<"foo:1234-1234-1234-1234">). -=item B B +=item B B -How many read instances you want to use for this plugin. The default is one, -and the sensible setting is a multiple of the B value. -If you are not sure, just use the default setting. +When B is used in B or B, this +selects in which metadata namespace we will pick the hostname. The default is +I. + +=item B B + +When B is used in B or B, this +describes where the hostname is located in the libvirt metadata. The default is +I. + +=item B B|B + +Enabled by default. Allows to disable stats reporting of block devices for +whole plugin. + +=item B B|B + +Enabled by default. Allows to disable stats reporting of network interfaces for +whole plugin. =item B B @@ -8924,11 +9424,38 @@ B: I metrics can't be collected if I plugin is enabled. =back =item B B|B + Override default configuration to only send notifications when there is a change in the lifecycle state of a domain. When set to true notifications will be sent for every read cycle. Default is false. Does not affect the stats being dispatched. +=item B B + +How many read instances you want to use for this plugin. The default is one, +and the sensible setting is a multiple of the B value. + +This option is only useful when domains are specially tagged. +If you are not sure, just use the default setting. + +The reader instance will only query the domains with attached matching tag. +Tags should have the form of 'virt-X' where X is the reader instance number, +starting from 0. + +The special-purpose reader instance #0, guaranteed to be always present, +will query all the domains with missing or unrecognized tag, so no domain will +ever be left out. + +Domain tagging is done with a custom attribute in the libvirt domain metadata +section. Value is selected by an XPath I +expression in the I namespace. +(XPath and namespace values are not configurable yet). + +Tagging could be used by management applications to evenly spread the +load among the reader threads, or to pin on the same threads all +the libvirt domains which use the same shared storage, to minimize +the disruption in presence of storage outages. + =back =head2 Plugin C @@ -8982,6 +9509,7 @@ Synopsis: Protocol "tcp" LogSendErrors true Prefix "collectd" + UseTags false @@ -9019,13 +9547,20 @@ approach and logging errors fills syslog with unneeded messages. =item B I -When set, I is added in front of the host name. Dots and whitespace are -I escaped in this string (see B below). +When B is I, B value is added in front of the host name. +When B is I, B value is added in front of series name. + +Dots and whitespace are I escaped in this string (see B +below). =item B I -When set, I is appended to the host name. Dots and whitespace are -I escaped in this string (see B below). +When B is I, B value appended to the host name. +When B is I, B value appended to the end of series name +(before the first ; that separates the name from the tags). + +Dots and whitespace are I escaped in this string (see B +below). =item B I @@ -9047,6 +9582,8 @@ path component, for example C. If set to B (the default), the plugin and plugin instance (and likewise the type and type instance) are put into one component, for example C. +Option value is not used when B is I. + =item B B|B If set to B, append the name of the I (DS) to the "metric" @@ -9059,12 +9596,31 @@ If set to B (the default) the C<.> (dot) character is replaced with I. Otherwise, if set to B, the C<.> (dot) character is preserved, i.e. passed through. +Option value is not used when B is I. + =item B B|B If set to B, detect and remove duplicate components in Graphite metric names. For example, the metric name C will be shortened to C. +=item B B|B + +If set to B, Graphite metric names will be generated as tagged series. +This allows for much more flexibility than the traditional hierarchical layout. + +Example: +C + +You can use B option to add more tags by specifying it like +C<;tag1=value1;tag2=value2>. Note what tagging support was added since Graphite +version 1.1.x. + +If set to B, the B and B settings +are not used. + +Default value: B. + =back =head2 Plugin C @@ -9233,6 +9789,13 @@ B =over 4 +=item B I + +Bind to the hostname / address I. By default, the plugin will bind to the +"any" address, i.e. accept packets sent to any of the hosts addresses. + +This option is supported only for libmicrohttpd newer than 0.9.0. + =item B I Port the embedded webserver should listen on. Defaults to B<9103>. @@ -9490,17 +10053,26 @@ been set to B. =item B (B=I only) A prefix can be added in the metric name when outputting in the I -format. It's added before the I name. +format. + +When B is I, prefix is added before the I name. Metric name will be CprefixEEhostEEpostfixEEpluginEEtypeEEnameE> +When B is I, prefix is added in front of series name. + =item B (B=I only) A postfix can be added in the metric name when outputting in the I -format. It's added after the I name. +format. + +When B is I, postfix is added after the I name. Metric name will be CprefixEEhostEEpostfixEEpluginEEtypeEEnameE> +When B is I, prefix value appended to the end of series +name (before the first ; that separates the name from the tags). + =item B (B=I only) Specify a character to replace dots (.) in the host part of the metric name. @@ -9515,6 +10087,8 @@ path component, for example C. If set to B (the default), the plugin and plugin instance (and likewise the type and type instance) are put into one component, for example C. +Option value is not used when B is I. + =item B B|B If set to B, append the name of the I (DS) to the "metric" @@ -9527,6 +10101,14 @@ If set to B (the default) the C<.> (dot) character is replaced with I. Otherwise, if set to B, the C<.> (dot) character is preserved, i.e. passed through. +Option value is not used when B is I. + +=item B B|B + +If set to B Graphite metric names will be generated as tagged series. + +Default value: B. + =item B B|B If set to B (the default), convert counter values to rates. If set to @@ -9887,6 +10469,133 @@ attribute for each metric being sent out to I. =back +=head2 Plugin C + +The C plugin writes metrics to the +I service. + +This plugin supports two authentication methods: When configured, credentials +are read from the JSON credentials file specified with B. +Alternatively, when running on +I (GCE), an I token is retrieved from the +I and used to authenticate to GCM. + +B + + + CredentialFile "/path/to/service_account.json" + + Label "project_id" "monitored_project" + + + +=over 4 + +=item B I + +Path to a JSON credentials file holding the credentials for a GCP service +account. + +If B is not specified, the plugin uses I. That means which credentials are used depends on the environment: + +=over 4 + +=item + +The environment variable C is checked. If this +variable is specified it should point to a JSON file that defines the +credentials. + +=item + +The path C<${HOME}/.config/gcloud/application_default_credentials.json> is +checked. This where credentials used by the I command line utility are +stored. You can use C to create these +credentials. + +Please note that these credentials are often of your personal account, not a +service account, and are therefore unfit to be used in a production +environment. + +=item + +When running on GCE, the built-in service account associated with the virtual +machine instance is used. +See also the B option below. + +=back + +=item B I + +The I or the I of the I. The +I is a string identifying the GCP project, which you can chose +freely when creating a new project. The I is a 12-digit decimal +number. You can look up both on the I. + +This setting is optional. If not set, the project ID is read from the +credentials file or determined from the GCE's metadata service. + +=item B I (GCE only) + +Choses the GCE I used for authentication. + +Each GCE instance has a C I but may also be +associated with additional I. This is often used to restrict +the permissions of services running on the GCE instance to the required +minimum. The I requires the +C scope. When multiple I are available, this option selects which one is used by +I. + +=item B I + +Configures the I to use when storing metrics. +More information on I and I are +available at L. + +This block takes one string argument, the I. Inside the block are +one or more B