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6 Agent Zabbix 2 (Windows)

Aperçu

L'agent Zabbix 2 est une nouvelle génération d'agent Zabbix et peut être utilisé à la place de l'agent Zabbix.

Cette section répertorie les paramètres pris en charge dans un fichier de configuration de l'agent Zabbix 2 (zabbix_agent2.win.conf).

Notez que:

  • Les valeurs par défaut reflètent les valeurs par défaut du processus, et non les valeurs des fichiers de configuration livrés ;
  • Zabbix prend en charge les fichiers de configuration uniquement en encodage UTF-8 sans BOM ;
  • Les commentaires commençant par "#" ne sont pris en charge qu'en début de ligne.

Détails des paramètres

Alias

Définit un alias pour une clé d'élément. Il peut être utilisé pour remplacer une clé d'élément longue et complexe par une clé plus courte et plus simple.
Plusieurs paramètres Alias peuvent être présents. Plusieurs paramètres avec la même clé Alias ne sont pas autorisés.
Différentes clés Alias peuvent faire référence à la même clé d'élément.
Les alias peuvent être utilisés dans HostMetadataItem mais pas dans le paramètre HostnameItem.

Exemple 1: Récupération de l'utilisation du fichier d'échange en pourcentage à partir du serveur.

Alias=pg_usage:perf_counter[\Paging File(_Total)\% Usage]

Désormais, la clé raccourcie pg_usage peut être utilisée pour récupérer des données.

Exemple 2: Obtention de la charge CPU avec les paramètres par défaut et personnalisés.

Alias=cpu.load:system.cpu.load
       Alias=cpu.load[*]:system.cpu.load[*]

Cela permet d'utiliser la clé cpu.load pour obtenir la charge du processeur avec les paramètres par défaut ainsi que d'utiliser cpu.load[percpu,avg15] pour obtenir des données spécifiques sur la charge du processeur.

Exemple 3: exécution de plusieurs règles de découverte de bas niveau traitant les mêmes éléments de découverte.

Alias=vfs.fs.discovery[*]:vfs.fs.discovery

Il est désormais possible de configurer plusieurs règles de découverte à l'aide de vfs.fs.discovery avec des paramètres différents pour chaque règle, par exemple vfs.fs.discovery[foo], vfs.fs.discovery[bar], etc.

AllowKey

Allow execution of those item keys that match a pattern. The key pattern is a wildcard expression that supports the "*" character to match any number of any characters.
Multiple key matching rules may be defined in combination with DenyKey. The parameters are processed one by one according to their appearance order. See also: Restricting agent checks.

BufferSend

The time interval in seconds which determines how often values are sent from the buffer to Zabbix server.
Note, that if the buffer is full, the data will be sent sooner.

Default: 5 | Range: 1-3600

BufferSize

The maximum number of values in the memory buffer. The agent will send all collected data to the Zabbix server or proxy if the buffer is full.
This parameter should only be used if persistent buffer is disabled (EnablePersistentBuffer=0).

Default: 100 | Range: 2-65535

ControlSocket

The control socket, used to send runtime commands with the '-R' option.

Default: \\.\pipe\agent.sock

DebugLevel

Specify the debug level:
0 - basic information about starting and stopping of Zabbix processes
1 - critical information;
2 - error information;
3 - warnings;
4 - for debugging (produces lots of information);
5 - extended debugging (produces even more information).

Default: 3 | Range: 0-5

DenyKey

Deny execution of those item keys that match a pattern. The key pattern is a wildcard expression that supports the "*" character to match any number of any characters.
Multiple key matching rules may be defined in combination with AllowKey. The parameters are processed one by one according to their appearance order. See also: Restricting agent checks.

EnablePersistentBuffer

Enable the usage of local persistent storage for active items. If persistent storage is disabled, the memory buffer will be used.

Default: 0 | Values: 0 - disabled, 1 - enabled

ForceActiveChecksOnStart

Perform active checks immediately after the restart for the first received configuration. Also available as a per-plugin configuration parameter, for example: Plugins.Uptime.System.ForceActiveChecksOnStart=1

Default: 0 | Values: 0 - disabled, 1 - enabled

HeartbeatFrequency

The frequency of heartbeat messages in seconds. Used for monitoring the availability of active checks.
0 - heartbeat messages disabled.

Default: 60 | Range: 0-3600

HostInterface

An optional parameter that defines the host interface. The host interface is used at host autoregistration process. If not defined, the value will be acquired from HostInterfaceItem.
The agent will issue an error and not start if the value is over the limit of 255 characters.

Range: 0-255 characters

HostInterfaceItem

An optional parameter that defines an item used for getting the host interface.
Host interface is used at host autoregistration process. This option is only used when HostInterface is not defined.
During an autoregistration request the agent will log a warning message if the value returned by the specified item is over the limit of 255 characters.

HostMetadata

An optional parameter that defines host metadata. Host metadata is used only at host autoregistration process (active agent). If not defined, the value will be acquired from HostMetadataItem.
The agent will issue an error and not start if the specified value is over the limit of 2034 bytes or a non-UTF-8 string.

Range: 0-2034 bytes

HostMetadataItem

An optional parameter that defines an item used for getting host metadata. This option is only used when HostMetadata is not defined. User parameters and aliases are supported. The system.run[] item is supported regardless of AllowKey/DenyKey values.
The HostMetadataItem value is retrieved on each autoregistration attempt and is used only at host autoregistration process.
During an autoregistration request the agent will log a warning message if the value returned by the specified item is over the limit of 65535 UTF-8 code points. The value returned by the item must be a UTF-8 string otherwise it will be ignored.

Hostname

A list of comma-delimited, unique, case-sensitive hostnames. Required for active checks and must match hostnames as configured on the server. The value is acquired from HostnameItem if undefined.
Allowed characters: alphanumeric, '.', ' ', '_' and '-'. Maximum length: 128 characters per hostname, 2048 characters for the entire line.

Default: Set by HostnameItem

HostnameItem

An optional parameter that defines an item used for getting the host name. This option is only used when Hostname is not defined. User parameters or aliases are not supported, but the system.run[] item is supported regardless of AllowKey/DenyKey values.
The output length is limited to 512KB.

Default: system.hostname

Include

You may include individual files or all files in a directory in the configuration file. During the installation Zabbix will create the include directory in /usr/local/etc, unless modified during the compile time. The path can be relative to the zabbix_agent2.win.conf file location.
To only include relevant files in the specified directory, the asterisk wildcard character is supported for pattern matching.
See special notes about limitations.

Example:

Include=C:\Program Files\Zabbix Agent\zabbix_agent2.d\*.conf
ListenIP

A list of comma-delimited IP addresses that the agent should listen on. The first IP address is sent to the Zabbix server, if connecting to it, to retrieve the list of active checks.

Default: 0.0.0.0

ListenPort

The agent will listen on this port for connections from the server.

Default: 10050 | Range: 1024-32767

LogFile

Name of the agent log file.

Default: c:\\zabbix\_agent2.log | Mandatory: Yes, if LogType is set to file; otherwise no

LogFileSize

The maximum size of a log file in MB.
0 - disable automatic log rotation.
Note: If the log file size limit is reached and file rotation fails, for whatever reason, the existing log file is truncated and started anew.

Default: 1 | Range: 0-1024

LogType

Type of the log output:
file - write log to the file specified by LogFile parameter;
console - write log to standard output.

Default: file

PersistentBufferFile

The file where Zabbix agent 2 should keep the SQLite database. Must be a full filename. This parameter is only used if persistent buffer is enabled (EnablePersistentBuffer=1).

PersistentBufferPeriod

The time period for which data should be stored when there is no connection to the server or proxy. Older data will be lost. Log data will be preserved. This parameter is only used if persistent buffer is enabled (EnablePersistentBuffer=1).

Default: 1h | Range: 1m-365d

Plugins.<PluginName>.System.Capacity

The limit of checks per <PluginName> plugin that can be executed at the same time.

Default: 100 Range: 1-1000

Plugins.Log.MaxLinesPerSecond

The maximum number of new lines the agent will send per second to Zabbix server or proxy when processing 'log', 'logrt' and 'eventlog' active checks. The provided value will be overridden by the 'maxlines' parameter, provided in the 'log', 'logrt' or 'eventlog' item key.
Note: Zabbix will process 10 times more new lines than set in MaxLinesPerSecond to seek the required string in log items.

Default: 20 | Range: 1-1000

Plugins.SystemRun.LogRemoteCommands

Enable logging of the executed shell commands as warnings. The commands will be logged only if executed remotely. Log entries will not be created if system.run[] is launched locally by the HostMetadataItem, HostInterfaceItem or HostnameItem parameters.

Default: 0 | Values: 0 - disabled, 1 - enabled

PluginSocket

The path to the UNIX socket for loadable plugin communications.

Default: \\.\pipe\agent.plugin.sock

PluginTimeout

The timeout for connections with loadable plugins, in seconds.

Default: Timeout | Range: 1-30

RefreshActiveChecks

How often the list of active checks is refreshed, in seconds. Note that after failing to refresh active checks the next refresh will be attempted in 60 seconds.

Default: 5 | Range: 1-86400

Server

A list of comma-delimited IP addresses, optionally in CIDR notation, or hostnames of Zabbix servers or Zabbix proxies. Incoming connections will be accepted only from the hosts listed here. If IPv6 support is enabled then '127.0.0.1', '::127.0.0.1', '::ffff:127.0.0.1' are treated equally and '::/0' will allow any IPv4 or IPv6 address. '0.0.0.0/0' can be used to allow any IPv4 address. Spaces are allowed.

Example:

Server=127.0.0.1,192.168.1.0/24,::1,2001:db8::/32,zabbix.example.com

Mandatory: yes

ServerActive

Zabbix server/proxy address or cluster configuration to get active checks from. The server/proxy address is an IP address or DNS name and optional port separated by colon.
The cluster configuration is one or more server addresses separated by semicolon. Multiple Zabbix servers/clusters and Zabbix proxies can be specified, separated by comma. More than one Zabbix proxy should not be specified from each Zabbix server/cluster. If a Zabbix proxy is specified then Zabbix server/cluster for that proxy should not be specified.
Multiple comma-delimited addresses can be provided to use several independent Zabbix servers in parallel. Spaces are allowed.
If the port is not specified, default port is used.
IPv6 addresses must be enclosed in square brackets if port for that host is specified. If port is not specified, square brackets for IPv6 addresses are optional.
If this parameter is not specified, active checks are disabled.

Example for Zabbix proxy:

ServerActive=127.0.0.1:10051

Example for multiple servers:

ServerActive=127.0.0.1:20051,zabbix.domain,\[::1\]:30051,::1,\[12fc::1\]

Example for high availability:

ServerActive=zabbix.cluster.node1;zabbix.cluster.node2:20051;zabbix.cluster.node3

Example for high availability with two clusters and one server:

ServerActive=zabbix.cluster.node1;zabbix.cluster.node2:20051,zabbix.cluster2.node1;zabbix.cluster2.node2,zabbix.domain
SourceIP

The source IP address for:
- outgoing connections to Zabbix server or Zabbix proxy;
- making connections while executing some items (web.page.get, net.tcp.port, etc.).

StatusPort

If set, the agent will listen on this port for HTTP status requests (http://localhost:<port>/status).

Range: 1024-32767

Timeout

Spend no more than Timeout seconds on processing.

Default: 3 | Range: 1-30

TLSAccept

The incoming connections to accept. Used for passive checks. Multiple values can be specified, separated by comma:
unencrypted - accept connections without encryption (default)
psk - accept connections with TLS and a pre-shared key (PSK)
cert - accept connections with TLS and a certificate

Mandatory: yes, if TLS certificate or PSK parameters are defined (even for unencrypted connection); otherwise no

TLSCAFile

The full pathname of the file containing the top-level CA(s) certificates for peer certificate verification, used for encrypted communications between Zabbix components.

TLSCertFile

The full pathname of the file containing the agent certificate or certificate chain, used for encrypted communications with Zabbix components.

TLSConnect

How the agent should connect to Zabbix server or proxy. Used for active checks. Only one value can be specified:
unencrypted - connect without encryption (default)
psk - connect using TLS and a pre-shared key (PSK)
cert - connect using TLS and a certificate

Mandatory: yes, if TLS certificate or PSK parameters are defined (even for unencrypted connection); otherwise no

TLSCRLFile

The full pathname of the file containing revoked certificates. This parameter is used for encrypted communications between Zabbix components.

TLSKeyFile

The full pathname of the file containing the agent private key, used for encrypted communications between Zabbix components.

TLSPSKFile

The full pathname of the file containing the agent pre-shared key, used for encrypted communications with Zabbix server.

TLSPSKIdentity

The pre-shared key identity string, used for encrypted communications with Zabbix server.

TLSServerCertIssuer

The allowed server (proxy) certificate issuer.

TLSServerCertSubject

The allowed server (proxy) certificate subject.

UnsafeUserParameters

Allow all characters to be passed in arguments to user-defined parameters. The following characters are not allowed: \ ' " ` * ? [ ] { } ~ $ ! & ; ( ) < > | # @
Additionally, newline characters are not allowed.

Default: 0 | Values: 0 - do not allow, 1 - allow

UserParameter

A user-defined parameter to monitor. There can be several user-defined parameters.
Format: UserParameter=<key>,<shell command>
Note that the shell command must not return empty string or EOL only. Shell commands may have relative paths, if the UserParameterDir parameter is specified.

Example:

UserParameter=system.test,who\|wc -l
       UserParameter=check\_cpu,./custom\_script.sh
UserParameterDir

The default search path for UserParameter commands. If used, the agent will change its working directory to the one specified here before executing a command. Thereby, UserParameter commands can have a relative ./ prefix instead of a full path.
Only one entry is allowed.

Example:

UserParameterDir=/opt/myscripts