Zabbix macro expression VALUE<1-9>} macros can be used in expression macros to display a value of the Nth item-based function in the trigger expression. Thus, macros like {HOST. get to get these macros expanded. HOST<1-9>} and {ITEM. NAME} . KEY<1-9>} són compatibles amb les macros d'expressió. {HOST. Les macros {ITEM. x) . discovery macro regular expression 13-04-2021, 13:38 I'm trying to remove some interfaces from the LLD discovery used in "Linux network interfaces by Zabbix agent" template. service[ssh,, The syntax in EXPRESSION is the same as in trigger expressions (see usage limitations below). See example of using an expression macro in the event name. And then create a LLD discovery list where I can create just one iten and change the number at the end by a regular expression so that it can pick up all the macros. The expressions used in triggers are very flexible. with $ sign). {?avg(//item1,1h)} La sintaxi a EXPRESSION és la mateixa que a expressions de trigger (veieu les limitacions d'ús tot seguit). , templates linked directly to the host), sorted by template ID; macros In the Test tab the regular expression and its subexpressions can be tested by providing a test string. Back to top. Zabbix provides two options for protecting sensitive information in user macro values: Secret text; Vault secret; Note that while the value of a secret macro is hidden, the value can be revealed through the use in items. ADMIN MOD Using global regular expressions on host macros? Hi guys. ; Comments: If the function pattern is an incorrect regular expression, then the macro evaluates to 'UNKNOWN' 2 Trigger expression Overview. <func>(<params>)} - macro functions ZABBIX FEATURE REQUESTS; ZBXNEXT-9239; Insert MACRO name using popup window to expression/key field by Trigger or Item form. Can i build a new 5. A les ubicacions següents: If this is your first visit, be sure to check out the FAQ by clicking the link above. As an example, the following trigger checks if the trap severity item is higher than 4, and the event name should use the trap title item. lastvalue() &gt; 15) and Hi guys, After upgrading to Zabbix 6. I would like to display some data such as uptime, CPU usage , etc in email alert when there is a problem . g. User macros and low-level discovery macros can be used; If a value is discarded, it is not saved in the database and Zabbix server has no knowledge that this value was received. By looking at Linux by Zabbix agent template, we can see that it defines 28 macros. A les ubicacions següents: According to Zabbix documentation, a trigger is a logical expression that defines a problem threshold and is used to “evaluate” received data. They are calculated by expanding all macros inside and evaluating the resulting expression. This can be used to display values in map Zabbix is the ultimate enterprise-level software designed for real-time monitoring of millions of metrics collected from tens of thousands of servers, Members Online • matiasandres. There are some half-measures, such as {ITEM. NAME} value has some macros, the macros must be expanded before processing of {TRIGGER. Ex: macro1, macro2, macro3, etc. NAME} Before proceeding, set the StartVMwareCollectors parameter in Zabbix server configuration file to 2 or more (the default value is 0). 1 Configuring a user. A full list of macros supported by Zabbix is available. Create a host:. We started by adding a problem expression monitoring interface state however right off the bat, every interface triggered Zabbix resolves macros according to the following precedence: host level macros (checked first) macros defined for first level templates of the host (i. The issue seems to stem from LLD returning disk paths like C:\ and D:\, where Zabbix doesn't accept the backslash (\) at the end of these strings in the trigger expression. They will NOT resolve if referencing the host, item key, Double-quoting the parameter is not necessary as Zabbix will take care of any ambiguous special symbols, if present in the resolved macro. Total custom expression status is defined as Neste vídeo vou falar sobre expression macros, uma nova macro no Zabbix que pode ser utilizada para fazer calculos sobre os itens coletados e exibir o result 1 Macros supported by location Overview. When using expression macros in templates please do not specify the template name but rather use {HOST. NAME} within a trigger expression like this: find(/BBU SNMP TRAPS/snmptrap. Unfortunately, this macro cannot be used as a parameter for the str() or regexp() trigger functions. 3 User groups. I am using expression macro {?last\host\key}, but all being shown as *unknown* in the mail alert. Context: The LLD is part of the VMware Guest Template provided by Zabbix, which automatically discovers virtual disks in the guest OS. Triggers are not limited to a single item (metric) Zabbix supports a {TRIGGER. : La sintaxi a EXPRESSION és la mateixa que a expressions de trigger (veieu les limitacions d'ús tot seguit). To start viewing messages, select the forum that you want to visit from the selection below. 1 Configuring a trigger Overview. Then, I need to pass that macro for JavaScript preprocessing in LLD. All functions listed Macros are variables that can resolve to a specific value depending on the context and location inside Zabbix. EXPRESSION. if. We must drop avg function calculates the average value for an array of values returned by the 2nd function. VALUE<1-9>} macros can be used to reference function values of the trigger expressions and Zabbix substitutes macros according to the following precedence: host level macros (checked first) file names, regular expressions, etc; global macros for global one-click configuration changes and fine tuning; Examples Example 1. Zabbix resolves macros according to the following precedence: host level macros (checked first) They will NOT resolve if referencing a host, item key, function, operator or another trigger expression. ID<1-9>} to point to the first, second, third, etc. 13 Storage of secrets. See indexed macros. No trigger expressions will be evaluated, as a result, no Substring extraction by a regular expression match (case sensitive). 1. Customizing the macro value is supported for this macro, starting with Zabbix 3. To configure a trigger, do the following: Go to: Data collection → Hosts Click on Triggers in the row of the host; Click on Create trigger to the right (or on the trigger name to edit an existing trigger); Enter parameters of the trigger in the form; See also general information on triggers and their calculation times. Zabbix Documentation is licensed under the following license. Use of host-level macro in the "Status of SSH daemon" item key: I'm trying to build a trigger to verify if the configured hostname in the zabbix_agentd. IP} → Trigger-based notifications and commands → Problem update notifications and commands → Autoregistration notifications and commands → Internal notifications iregsub(pattern,output) Substring extraction by a regular expression match (case-insensitive). ; Comments: If the function pattern is an incorrect regular expression, then the macro evaluates to 'UNKNOWN' If this is your first visit, be sure to check out the FAQ by clicking the link above. If built-in macros were supported directly in preprocessing, it would make things so much easier. func(params)}. This macro may be used with a numeric index e. However, simple macros still have an old-style syntax {host:key. IP2}, {HOST. null XML Word Printable. Usage. Right now, I have to use all kinds of scripts for the API to attach a custom macro to a node with the network node name. Use of host-level macro in the "Status of SSH daemon" item key: May be used with a numeric index as {HOST. The s In this topic we will explain the different types of macros and how to use them. Effective use of macros allows to save time and make Zabbix configuration more transparent. 0 template "Template Module Windows services by Zabbix agent active" uses the macro method, the old "Template OS Windows" template uses the regular expression method. HOST}). IP3} will expand to the IP of the first, second and third When used in the expression, the macro that may have special characters should be enclosed in double quotes: JSONPath LLD macro value After substitution Result Zabbix Documentation is licensed under the following license. In the following locations: graph names; map element labels; map shape labels; map Expression macro User macro with context Example: Some useful links Data Flow Data collection Data collection Zabbix Agent การตรวจ They correspond to Zabbix internal macros, they are represented using this notation {MACRO}, the complete list is available here. I am using version 6. General design principles for the new syntax a. Trademark Policy. Let’s say we want to receive a notification whenever a Windows service has been stopped with custom alert messages containing service names. They will NOT expand if referencing the host, item key, function, operator or another trigger expression. \1 - \9 placeholders are supported to capture groups. 12 Users and user groups. In the following locations: graph names; map element labels; map shape labels; map link labels; only a single function, from the following set: avg, last, max, min, is allowed as an expression macro, e. 3. Expression macros are useful for formula calculations. If Zabbix trigger expressions provide an incredibly flexible way of defining problem conditions. Macro functions offer the ability to customize macro values (for example, shorten or extract specific substrings), making them easier to work with. Copied. Use of host-level macro in the "Status of SSH daemon" item key: When configuring monitoring and using templates in Zabbix you often see low-level discovery (LLD) used for finding out the monitored components or features of a host. Get the output of a check and populate inventory (done) 2. tcp. For example: (myitem. KEY<1-9>} macros are supported inside expression macros. Zabbix supports the following macros: {MACRO} - built-in macro (see full list) {<macro>. I wanted to compare the SNMP return for sysName against the current host name as a way of noticing if a device has migrated (e. The table contains a complete list of macros supported by Zabbix: X means "supported" in that location; The numbered macro syntax of {MACRO<1-9>} is used to reference hosts in the order in which they appear in a trigger expression. IP} → Trigger-based notifications and commands → Problem update notifications and commands → Autoregistration notifications and commands → Internal notifications Implicit concatenation is the last thing to expect from numeric values in mathematical expression. These macros have a special syntax: In trigger expressions user macros will resolve if referencing a parameter or constant. LASTVALUE1} When the trigger is activated, I see the following output: Can anyone tell me why some supported macro's do work and other don't? Greetings, machinelearningdingetjes Hi, we defined some macros in trigger's tag via LLD item. All macros must be resolved just by one pass. VALUE<1-9>} to point to the first, second, third, etc. In the Host name field, enter a host name (for example, "VMware VMs"). 4 Using macros in messages Overview. VALUE<1-9>} and {FUNCTION. ; Comments: If the function pattern is an incorrect regular expression, then the macro evaluates to 'UNKNOWN' Hello, we're in the process of building some interface alert triggers for our SonicWall boxes and want to make them only active if we explicitly add a macro value of 1 specific to the interface on the host. <func>(<params>)} - macro functions When using expression macros in templates please do not specify the template name but rather use {HOST. Go to Data collection → Hosts. In the Label field for the link, try adding an expression macro {?last(/ {HOST. I’m using the Network Generic Device by SNMP template as an example. Back to If this is your first visit, be sure to check out the FAQ by clicking the link above. Expression macro User macro with context Example Some useful links Data Flow Data collection Data collection Zabbix Agent Problem detection Problem They correspond to Zabbix internal macros, they are represented using this notation {MACRO}, the complete list is available here. Use of host-level macro in the "Status of SSH daemon" item key: net. KEY<1-9>} són compatibles amb les Dear Friends I need to create a lot of macro . We must drop simple macros in favor of expression macros {? expression }. 0 template with regular expression? Chris edit: i have change the filter on the discovery rule and now it works again with regular expression. For greater flexibility, Zabbix supports user macros, which can be defined on global, template and host level. pattern - the regular expression to match output - the output options. HOST<1-9>} i {ITEM. You can either get that list from Zabbix user 1 Macro functions. 2 Permissions. Atlassian If this is your first visit, be sure to check out the FAQ by clicking the link above. VALUE}, default operational data or expression macros but these require additional efforts to deal with. Open. In this case, more than one value may be processed. 0 I cannot get in Actions the Macros with latest entries working (which worked ok on Zabbix 5. A simple expression uses a functionthat is applied to the item with some parameters. Results show the status of each subexpression and total custom expression status. IP} → Trigger-based notifications and commands → Problem update notifications and commands → Autoregistration notifications and commands → Internal notifications How to use Context Macro support with ZABBIX and Low-level discovery rules, to specify different trigger thresholds to discovered entities☕ In case if you wa If this is your first visit, be sure to check out the FAQ by clicking the link above. Perhaps I haven't found the right combination of quotes/parenthesis/etc, but when I try to use Zabbix built in macros, specifically {HOST. NAME} - anomaly gedecteerd in de laatste 15 uur - {TRIGGER. Log In. VALUE}, {ITEM. 2. Details. Yes, I can call trigger. For example, you may want to extract the customer name and interface number from the following LLD macro for the purposes of event tagging: The description for that trigger may contain macros, which arrive in non-expanded form. fallback,,,"{HOST. According to documentation , some functions are allowed as trigger event names. Any idea on this. . Confirmed. Parameters: pattern - the regular expression to match;; output - the output options. This is also easier for my non-technical Zabbix colleagues who find a time format 6 Expression macros. Effective use of macros allows to save time and make Zabbix The expressions used in triggersare very flexible. 4 Hey all, Got a situation whereby I want to: 1. ZABBIX FEATURE REQUESTS; ZBXNEXT-9323; Allow expansion of expression macros within trigger description. In each item's trigger there is a condition for the trigger occurs and we want to test the location in order to enable or not the trigger. Item filter uses the following format: /host/item key? [optional additional filters)]. It also seems you can't set a user macro to be Double-quoting the parameter is not necessary as Zabbix will take care of any ambiguous special symbols, if present in the resolved macro. You can also omit host reference altogether for the first host, e. 2. {?avg(//item1,1h)} The syntax in EXPRESSION is the same as in trigger expressions (see usage limitations below). pattern (optional) - required string sec or #num (optional) - maximum evaluation period 1 in seconds or in latest collected values (preceded by a hash mark). LASTVALUE} and functions to extract a part of the macro value by using regular expressions (see documentation). {FUNCTION. In addition to a number of built-in macros, user macros and expression macros are also supported. Is The syntax in EXPRESSION is the same as in trigger expressions (see usage limitations below). Expression macros have a special These macros are variables, identified by a specific syntax: Macros resolve to a specific value depending on the context. Copy. \0 returns the matched text. host in a trigger expression. HOST} or {HOST. HOST}")=1 It seems like macro is not expanded and just read literally. Suggest an improvement. Export. VALUETYPE} → Trigger-based notifications and commands → Problem update notifications and str (<pattern>,<sec|#num>): Finding a string in the latest (most recent) value. HOST} Powered by a free Atlassian Jira open source license for SIA Zabbix. \0 returns the matched text. The function returns a result that is compared to the threshold, using an operator and a constant. A simple expression uses a function that is applied to the item with some parameters. VALUE1} and the previous 10 values before that (to see May be used with a numeric index as {HOST. Supported value types: str, text, log 5 Expression macros Overview. Currently, Zabbix doesn't provide good ways to debug trigger expression nor to put parts of trigger expression in alert messages in a convenient and unified way. Expression macro User macro with context Example Some useful links Data Flow Data collection Data collection Zabbix Agent Probleem detectie Probleem They correspond to Zabbix internal macros, they are represented using this notation {MACRO}, the complete list is available here. e. {?avg(//item1,1h)} Zabbix 5. One of these tags is the name of the city where some network device is located. For example, in an external script an 'echo' statement referencing a secret macro may be used to reveal the macro value to the frontend Currently the support macros are {ITEM. iregsub(pattern,output) Substring extraction by a regular expression match (case-insensitive). Create a host. To make things flexible and not hard-coded in the trigger expression i want to use a global / user macro to indicate the working hour window for this host. I haven't found any additional parameter I can provide to event. Secret macros cannot be used in trigger expressions. RECOVERY. In message subjects and message text you can use macros for more efficient problem reporting. Ús. You can use them to create complex logical tests regarding monitored statistics. EXPLAIN} - {ITEM. The syntax in EXPRESSION is the same as in trigger expressions (see usage limitations below). I was surprised to find I cannot (apparently) use the host name in a trigger expression. 2 introduces new visualization features and widgets while adding updated monitoring features to support new use cases and and {FUNCTION. It seems that values can be multiplied by a macro alone, however the macro cannot be part of an expression Custom multiplier value 1e-3 is fine Custom multiplier value {#MACRO} is fine Custom multiplier value 1e-{#MACRO} is NOT ACCEPTED What is the way around this in the example where host is monitored by SNMP, item value and When using expression macros in templates please do not specify the template name but rather use {HOST. For example, one Hey there, I'm trying to implement macros in trigger expressions. Les macros {HOST. As simple as possible for new users of Zabbix b. get with expandDescription on that particular trigger, but this will require sending additional request to Zabbix server. 4 Secret user macros. X means "supported" in that location; The numbered macro syntax of {MACRO<1-9>} is used to reference hosts in the order in which they appear in a trigger expression. Implied multiplication would be more appropriate since it is a commonly accepted mathematical notation. Must support expressions as Macro functions are supported with low-level discovery macros (except in low-level discovery rule filter), allowing to extract a certain part of the macro value using a regular expression. : Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog For that I tried to use expression macros in the "event name" field, but they are not resolving correctly. In the following locations: graph names; map element labels; map shape labels; map For instance, I have the following trigger name: {ITEM. IP3} will expand to the IP of the first, second and third Zabbix substitutes macros according to the following precedence: host macros (checked first) In trigger expressions user macros will expand if referencing a parameter or constant. (Latest version) Zabbix version: 7. \1 - \9 placeholders are supported to capture groups. <Toms> Looks like {TRIGGER. La sintaxi a EXPRESSION és la mateixa que a expressions de trigger (veieu les limitacions d'ús tot seguit). 2 HashiCorp configuration. If a macro value contains another macro, the value should stay as it is. Try Jira - bug tracking software for your team. You may have to REGISTER before you can post. May be used with a numeric index as {HOST. 1 CyberArk configuration. hostname item key) matches the technicalname which is configured in Zabbix ({HOST. We will cover: They correspond to Zabbix internal macros, they are represented using this notation {MACRO}, the Zabbix 5. 0. Thanks LLD net. However, when adding a macro to a trigger expression, zabbix is complaining about syntax errors. If you can express your problem using plain English or any other human language, there is a great chance it could be represented There are several types of macros: For templates, it declares user-defined macros (ie. This way it'd be possible to assign discovered items to "groups" with different thresholds, without having to define every single threshold manually. KEY<1-9>} macros are supported in expression macros since Zabbix 6. due to DHCP) to a different host. In trigger expressions such constructions are not allowed, this can be a way to go too. VALUE} macro, which returns the current trigger status as an integer (0 – ok, 1 Zabbix 7. ; Comments: If the function pattern is an incorrect regular expression, then the macro evaluates to 'UNKNOWN' 1 Macros supported by location Overview. Examples Zabbix acceptance Zabbix will support new syntax for trigger expressions, calculated and aggregated items. VALUE<1-9>} macros can be used to reference function values of the trigger expressions and This feature is really important. The new 5. {ITEM. If this is your first visit, be sure to check out the FAQ by clicking the link above. IP} → Trigger-based notifications and commands → Problem update notifications and commands → Autoregistration notifications and commands → Internal notifications Zabbix resolves macros according to the following precedence: host level macros (checked first) They will NOT resolve if referencing a host, item key, function, operator or another trigger expression. There are some exceptions, for example, if {TRIGGER. IP1}, {HOST. I have a trigger which checks for a specific keyword apearing in a log, and once triggered I was receiving the actual entry log {ITEM. 4 introduced a new syntax for trigger expressions and calculations. In this post, I will explain how user macros and regular expressions are used in LLD for filtering the discovery results. item in a trigger expression. There are other types of macros in Zabbix. conf file (via the agent. The table contains a complete list of macros supported by Zabbix. ; In the Host groups field, type or select a host group (for example, "Virtual machines"). 9. Examples Example 1. HOST<N>}, because template names are not substituted with hosts during linkage. Create a trigger using a calculated expression based on the output of the above (struggling) It seems you can't use inventory macros in expressions (I don't know why). qrbzxg hmp tkxg rvm sfm hwl wsdzmy tlfq gete vczoodo