Grafana extract substring from variable. Environment: Grafana Cloud (Grafana v10. If you go into the Grafana Play dashboard I just mentioned, you can click on the Explore icon. I doubt that you are using ancient version of Grafana, or that you have multi-select, since you search by substring. Set up your Prometheus data source in Grafana. 6 with Zabbix plugin. sustring(1 Feb 21, 2025 · I’m trying to extract a substring from a query using regex for something like this: Login - /web/login. label_name). My starting values are: IADFCODE201\\I1 IADFCODE202\\I1 IADFCODE203\\I1 IADFCODE204\\I1 IADFCODE201\\KR IADFDULO201 And I would like to get out an array LIKE below. Example I would like to report just the 22 after the 2: How can I parse down this string to multiple values that can be Nov 12, 2022 · Hi community, I am still learning Grafana, but now I faced a problem I can not solve alone. 1 on my docker app in RHES. 3. These variables provide a way of referencing something from the log line when writing a template expression. 3 (916d9793aa) What are you trying to achieve? trying to change how query results are displayed I would like to strip the prefix for image names up until ‘:’ and only display the tag part, just for the sake of saving screen estate. 2. Aug 22, 2024 · Have a query that returns this data. I have defined a variable in the dashboard which takes a keyword. I need to make them easier to see/read. From Grafana 4. Jul 4, 2022 · Hi, I have a variable called “Maquina” that has values: S1,S2,S3… We have a graph that has a SQL source where the filter is going to be this “Maquina” variable. Dec 6, 2022 · Hi all, I’m on last version of Grafana 9. Feb 23, 2023 · Continue reading to find out how, and check out this finished simple dashboard available on Grafana Play so you can follow along or tinker with it yourself. I’ve tried creating a variable with a regex of . Asking for help, clarification, or responding to other answers. Issue Background: I am trying the below scenario in my Grafana dashboard for creating variables for one of my dashboards by connecting to Mongo datasource. How are you trying to achieve it? I’ve looked into transformations, and field Built-in variables for log line properties. Sep 6, 2023 · Hello everyone, I have been trying to parse a single (string) value from a structured JSON log, but with no success. g string are “XYZ jobA modelB Feb 5, 2024 · What Grafana version and what operating system are you using? Grafana - 9. Data Source: Prometheus. Jan 31, 2025 · I recently ran into an issue while trying to use Loki fields as variables on a Grafana dashboard. How to extract the same from the from the variable probably by regex. What I’d like to do is reference only the first character of each possible string so that I get “d”,“i” or “p”. I would like to see everything in one panel, which is why I chose Bar gauge as visualization. eg: INC001,INC002,INC003,INC004… The twist here is, I want the result as an array of values such as “INC001 Jan 5, 2022 · the catch here: you cannot use regex value-mapping in conjunction with template variables–def not a chained variable setup like you are attempting: Grafana Labs Chained variables. 0-60139 (5b28e0b5)) If the value is a number this can be achieved easily with the unwrap function, but this function does not support string value. 5. Please advise. WHERE ($__timeFilter(fecha_inicio) or $__timeFilter(fecha_fin)) AND CodMaqui = strings Jun 23, 2021 · I have a constant variable named “Environment” and it refers to the deployed environment name. This transformation provides a convenient way to standardize and tailor the presentation of string data for better visualization and analysis. 018 second response time |time=0. I try to substring a variable with a regexp. I would like to extract a substring Aug 29, 2023 · Did you receive any errors in the Grafana UI or in related logs? If so, please tell us exactly what they were. 65919Z,1:4 2:22 3:0 4:0 5:0 6:0 7:0 8:0 9:0 Each value pair is a “Parameter”:“Value”. Consider preprocessing logs with Filebeat to extract and store necessary values in separate fields before ingesting them into Elasticsearch. Oct 11, 2022 · Platform: Linux | Windows Version: Grafana 9. 1 301 Moved Permanently - 515 bytes in 0. 018080s;;;0. 1\\s(\\d{3})\\s. As part of mongo query execution, I will be getting the below said values always([Microservice_1 What I want to achieve is getting that eventId's into a table format in the Grafana dashboard. I want to filter all the names which contain that substring variable. The solution involved using the yesoreyeram-infinity-datasource plugin to May 30, 2019 · I am working with the results from check_http in Nagios. For my template page in regex101: build, test, and debug regex the result is correct, but from grafana I got no Sep 17, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. . May 3, 2024 · How do I extract a substring from a label'value using Grafana variable Grafana Dashboards dashboard-variables edtshuma May 3, 2024, 2:22am 1 Apr 27, 2025 · When I select NRT Instance say sp1nrt, sp1cap I want to load the bucket with label bucket_name=sp1. However, we want only the number: 1,2,3. aspx. Prometheus: extract a substring from a label value? 7. 0) I would like to create a panel, where I could check the total space of each disk that my Linux host has. Chained variables Chained variables, also called linked variables or nested variables, are query variables with one or more other variables in their … Sep 25, 2020 · In Grafana I have a Variable with a Query: Type: Query. I tried multiple formulas but non worked. Not Sep 17, 2024 · Regex, short for "regular expressions," is a powerful tool for searching and manipulating text patterns. I am using Grafana v9. When i get the alerts they have something like this in the text, Value: [ var='B0' metric='rpi3' labels= {__name__=up, instance=rpi3:9100, job=raspberry, short_hostname=rpi3} value=0 ] How do i seperate out the metric and instance values to put them in say the Labels section in the email. Grafana is showing the mean of that result (HTTP OK: HTTP/1. But I don't want the entire string I want only those eventId's(substring) populated in the table. Use a “Query” variable type and the following Nov 19, 2024 · New regular expression option for Extract fields transformation. Aug 22, 2024 · Now, since you’re going to be using this in a dashboard, I’d recommend defining the paramKey variable in this query with a dashboard variable. I modified the query to include regex pattern. … But it is, as far as I understand, specific for setting up variables. Feb 5, 2024 · If your template variables are strings, do not wrap them in quotes in where clauses. All labels from the Log line are added as variables in the template engine. Grafana typically converts the variable values as follows to accommodate Prometheus: Apr 30, 2021 · Hi, Id like to create a RegEX to extract the left text until the first “)” character. We’ve updated the Extract fields transformation with an additional RegExp format option you can use to perform more advanced parsing of the selected field, such as extracting parts of strings or splitting content into multiple fields using named capturing groups like /(?<NewField>. After some experimentation, I found a workaround that I thought might be useful for others facing a similar issue. Provide details and share your research! But avoid …. 7. And I cannot use “:” as delimeter: Interface Jan 15, 2019 · To apply regex to the legend(don’t think that’s what you want though), use the transform tab and choose rename by regex(use $1 in the replace field), Jan 22, 2024 · Recommendations: Use the Golang flavor in regex testers like regex101 to ensure compatibility with Grafana’s RE2 regex engine. Jul 26, 2023 · I am trying to extract strings separated by empty space between square bracket as below. (for example,. *)/. I tried regex patterns but still no luck. - No errors by Grafana - just the fact that I am not able to do a basic regex on a template variable and would love to know how to write a query properly for ElasticSearch DB Jun 23, 2023 · What Grafana version and what operating system are you using? Grafana v9. 501932Z,2024-08-22T18:43:49. I have alerts setup and working in Grafana 9, mostly OK. This is from a InfluxQL query that is populated by JMeter Doesn’t apply any data source-specific formatting to the variable. This environment can contain “dev”, “int” or “prod”. Let’s start with a Prometheus data source. (Zabbix version is 6. I would like the Label on a bar chart to show Login and the tooltip to show /web/login. When combined with Grafana, a popular open-source visualization tool, regex allows users to filter, refine, and visualize data more effectively. How are you trying to achieve it? with a sql query What happened? i get no results back What did you expect to happen? i expect to get a substring with just the sub string i would like to see. Problem statement: The thing is the result from query I am getting is a single line string with values separated by a comma. 000000 size=515B;;;0) as 259. They can be referenced using the label name prefixed by a . label_name. 0, template variable values are only quoted when the template variable is a multi-value. So first you need to define a dashboard variable that lets you select from the available parameters in the string (See Create a dashboard variable). Specifically, I could only extract Label names or Label values, which wasn’t exactly what I needed. 501932Z,2024-08-22T18:59:15. 2 (which is the average of 515 and 0). For example, in this case, there’s a dashboard with a Prometheus data source and a multi-value variable. I used filter by name to display the _raw field. 2 What am doing: I am querying a datasource using variable feature to pull some data to use for filtering. For example: In the list below: Interface ClientA(CLIENTA): Bits received Interface ClientB(CLIENTB): Bits received Interface ClientC(CLIENTC): Bits received Interface ClientD(CLIENTD): Bits received Id like to extract only the list below using RegEX. 6 | OS - MacOS What are you trying to achieve? I have a postgresql table which contains a name string column. I would like to report the second value after the : to a single stat. How are you trying to achieve it? I tried 3 approaches which failed. +HTTP/1. Dec 28, 2021 · For the extraction of variables there is a mechanism to parse and pick, see Grafana Labs Filter variables with regex Filter variables with regex Using the Regex Query option, you filter the list of options returned by the variable query or modify the options returned. How do we extract the last character of the variable. 2024-08-21T18:59:15. Is there a way to apply a substring function to a template variable? For example: {{environment. e. 2 What are you trying to achieve? I would like to parse a field in the value set to have a substring. Refresh: On Dashboard Load. Oct 10, 2018 · So I need to visualize the following series: mysql_global_variables_innodb_buffer_pool_size{instance="<host>-mysql0x"} node_memory_SwapTotal_bytes{instance="<host>"} How can I extract from instance label value <host>-mysql0x the host part? As bonus question: there is a best practice to label similar service on the same host? Substring - Returns a substring of the string, using the specified start and end positions. + , but that doesn’t seem to be getting me Nov 20, 2021 · What Grafana version and what operating system are you using? 8. 1. yoknrq vzmcql bqku alqa zxvclt lere fiqnb jphikm hablrf qsmf