Grafana query regex examples. I'm wondering if it is possible to set a range in the display name option. If I try to edit the query and go to editor mode, then the query changes and click on the query inspector: The query editor helps you quickly navigate the metric space, add functions, and change function parameters. The default separator is a semicolon. However, if I do the negative lookup like. Dec 16, 2020 · Anyone can provide any example on how to use regex in grafana? Im looking for regex extract instead of match return. Linux give a list like this: /dev/sda1 /dev/sdb1 /tmpfs / etc… I’ve tried the following query, which is valid on all RegEx online testers i’ve found: node_filesystem_avail_bytes{instance=“grafana. For example, range: 1 - 0. For a complete list of transformations, refer to Transformation functions. Each of them has a label named 'uid' . ^ ^. See the regex demo. Click the menu and select Edit. It is always safe to use ". If you’re creating a new dashboard, you’ll be prompted to select a data source when you add the first panel. This means it’s super easy to connect Grafana to InfluxDB — whether you use InfluxDB 1. [separator: <string> | default = ";"] # RE2 regular expression. Note. the downside to this is it has the potential to break some existing transformations, because whilst the stringToJsRegex function accepts a non-regex The query frontend operates in one of two ways: Specify --frontend. From the example shown in the picture I get the following query : SELECT “A”,“B”,“C” FROM “Measurement 1” WHERE time >= now () - 1h. org, our public demo instance of Grafana. Continue to add overrides to this field by clicking Add override property. 254. fail. example. 7 and I'm trying to extract some content from my data. *xyz"}, service) Or, in case you actually need to look across multiple metrics (assuming that for some reason some metrics have some service label values and other metrics have other values): Mar 31, 2023 · Using the Dashboard List panel, I want to filter the dashboards that are displayed. In a MS SQL (SQL Svr Std 2008 R2) database I have many IDs. At the bottom of the panel editor pane, click Add field override. I would like to use this variable in some A pipeline is used to transform a single log line, its labels, and its timestamp. There are two types of LogQL queries: Log queries return the contents of log lines. app2_current_sensor3. Choose a query editing mode. asked Apr 12, 2023 at 4:08. We have a mapping for <X> e. Log query examples Examples that filter on IP address. it shows all values - but not the ones, having "percentage" in it. I'm using Grafana and Prometheus to create some graphs, but this I believe is fundamentally a regexp (RE2?) question. Grafana Labs. In the drop down for the variable that selects the nodes, I can either select 1-n single nodes or the special element All. I tried to use this: but this does not work. Hi all - I’m trying to regex a part of a variable in Grafana/InfluxDB. Click Run query to execute the query. Each query type hits a different Prometheus endpoint. An empty value will # remove the captured group from the log line. You can use templates to include data from queries and expressions in labels and annotations. In the Sort list, select the sort order for values to be displayed in the dropdown list. I have created a repeating panel based on a variable. Click Add a new mapping and then select one of the following: Value - Enter a single value to match. In my panels, I’d like to use the Instances variable. Jul 1, 2022 · abudavis1 July 1, 2022, 3:36pm 1. all instances end like “-XY01”. I created event. But I would like receive only the FQDN (without a collon and a port number) . Nov 25, 2019 · In a query where you have a regex matching certain services (icinga2 and graphite datasources) I need to store that value and reference it in another metric in the same query. This documentation topic is designed for Grafana workspaces that support Grafana version 8. All works, but I can’t use groups in regexp. Activate the "instant" option. For more information and connection details, refer to 1. It would be nice to use something like: ${__field. How are you trying to achieve it? I tried using Rename by regex transformation but instead of renaming the values it renames the table header. 5 - 0. A variable is a placeholder for a value. In your example a pattern like: should work. Regular expression operators. [replace: <string>] expression needs to be a Go RE2 regex string. Because this InfluxDB datasource is built into LogQL is Grafana Loki’s PromQL-inspired query language. Log-parsing woes Nov 1, 2023 · Grafana Tempo 2. How it matches depends on the Operator value. downstream_url, the query frontend defaults to a pull service. app1_current_sensor2. They help us demonstrate the value of Grafana, and they are sources of inspiration, examples, and best practices. Apr 21, 2021 · Hello everyone! I have a dashboard with these variables: first second third From my prometheus datasource, my metric have these labels: 001:first:label:x 001:first:label:y 002:second:label:x 002:second:label:y 003:third:label:x 003:third:label:y In my dashboard panel query, I would like to get the metric values from the labels per variable. Is it possible to use regex in Grafana query metrics? application_test_total{color="0"} application_test_total{color="1"} Jun 8, 2021 · Building on this, we’ve given the Grafana alerting system a complete overhaul with 8. In the dropdown, select the InfluxDB data source that you want to query. It makes writing queries for unstructured log formats simple. )*. Click Graphite. the query. I created an event. Inspired by PromQL and LogQL, TraceQL is a query language designed for selecting traces in Tempo. You find series override in Display tab: After you click on Add override you specify a series name or regex by wrapping the expression in / chars. +" unless you intentionally want to match specific character zero or more occurances. Transform stages transform extracted data from previous stages. LogQL uses labels and operators for filtering. For example, I want a list of the 10 panels that are start with the letters A-H, and another Dashboard List panel list that displays the other 10 panels that start with the letters I-Z. expression: <string> # Name from extracted data to parse. Non-tag queries use the default glob formatting for multi-value variables. [source: <string>] expression needs to be a Go RE2 regex string. Elasticsearch data source. I. 0:10} Maybe there is an option to use a regex here The captured group or the named captured group will be # replaced with this value and the log line will be replaced with new replaced values. I've been trying to troubleshoot this but I'm completely stumped - since I've been using grafana for about 24 hours :( So in my attempt to troubleshoot this, I tried to play around with the queries. drop: # Single name or names list of extracted data. 0 (6134e3cf35) What are you trying to achieve? I wanted to create a pie chart from a table that show some calculation some rates. Here’s an example. And the pattern parser can be an order of magnitude faster than the regular expression parser. 3 - 0 → sick Oct 22, 2021 · @fadjar340 Here are the new Grafana docs for regex-based value-mapping. 8 compatibility. Regards, Oliver. 8 or 2. When replacing the where filtering by a regex, however, I get no results. (Optional) In the Regex field, type a regex expression to filter or capture specific parts of the names returned by your data source query. For more information about PromQL, see Querying Prometheus. Display name option. wfjm January 11, 2022, 2:30pm 4. Every named capture group (?P<name>re) will be set into the extracted map. Apr 12, 2023 · I want to write a regex in the variables page for a query. To see examples, refer to Filter variables with regex . Watch on. The result of an expression can either be shown as a graph, viewed as tabular data in Prometheus's expression browser, or consumed by external systems via the HTTP API. Select query type: Options are default, value and metric name. Range - Enter the beginning and ending values of a range to match. 1. Dec 19, 2023 · What Grafana version and what operating system are you using? 10. ID/Name like IP address and hostname. 3 has a little bit of everything, but the headline item here is vParquet3 and new features that improve search speeds. This proxies requests over HTTP to the specified URL. An alert rule consists of one or more queries and expressions that select the data you want to measure. Data source queries. Example: values returned from GraphQL query: XYZ/123, ZYX/567, ABC/777. See Unwrap examples for query examples that use the unwrap expression. What would work for me is to use the field override and show the field based on the result of a regex that uses the variable. 15. , but that seems to do nothing. , but that only works if it’s all lowercase. However this does Query examples. Problem May 9, 2017 · I would like populate values for variable in templating using query (a datasource: Prometheus). udr_owls. local Flux query editor. com:9182”,device=~"^/dev/sd"} But Grafana give me Feb 25, 2023 · I am running Grafana 9. Jul 30, 2019 · The documentation specifies the possibility to query label_values like: label_values(metric, label) In my use case there are two main metric groups with names similar to: app1_current_sensor1. It will be easier to use this instead of the old regexp parser. During interpolation, the variable value might be escaped in order to conform to the syntax of the query language and where it is used. 2. For more information on queries and expressions, see Query and transform data. I have a string with US:111:222:333, but I just want to get 111 display… Apr 27, 2023 · This is more of the regex problem, then Grafana problem. For example: Sep 9, 2019 · Project the sum of all fields in a document that match a regular expression, in elasticsearch 1 Using regex to retrieve the Prometheus metric name from Grafana expressions Drop stage schema. There are 4 types of stages: Parsing stages parse the current log line and extract data out of it. As SHOW TAG VALUES doesn’t support time in WHERE clause, I tried to exclude some down hosts using template regex option. To create a Metrics query: In a Grafana panel, select the Azure Monitor data source. grafana. downstream-url or its YAML equivalent, frontend. Log queries. +_. *]. Jun 29, 2022 · Recommendations. 5 → healthy range: 0. 6. " grafana. Enter the label name as the legend using the {{[LABEL]}} notation (here {{app_state}} ). > SELECT "field" FROM "measurement" WHERE tag = 19 😀. Basic aggregates: count(), avg(), min(), max(), and sum() We are dynamically adding new metrics. Both of these methods let you build queries and drill-down into result sets. 3 → bitsick range: 0. I am not sure if this is something that is already answered here, anyways… I would like to know how to use regular expressions or other mechanisms to filter output of queries for doing further transforms such as selecting the right query output for a specific panel. In the Prometheus query builder in Grafana, we instead lay out operations Use the Format dropdown to change the format of the query results. Select the Metrics service. Grafana provides a query editor for Elasticsearch. )/ it works from my variable’s section, as you May 24, 2017 · Template query to get the hostname from InfluxDB, SHOW TAG VALUES FROM system WITH KEY=host. , _ and space and places its matched value into Group 1 and returns it in Grafana as a result of a match. Jan 6, 2022 · Every query uses a variable to select a host name: This works fine. It must exactly match the label name. Your application of alteration for regex is incorrect: in case of alteration only one of groups will be matched (text in your exact case). Regex - Enter a regular expression pattern to match. 3, Debian What are you trying to achieve? I have a dashboard where a panel (for example network IO) is repeated for 1-n hosts that are selected via a variable (with the data coming from Prometheus). Return log lines that are not within a range of IPv4 addresses: Sep 14, 2023 · Grafana 10. Set the data source’s basic configuration options: Oct 26, 2020 · But the regex part of the select query requires a double backslash to be correctly escaped (so when I select options such as "file1" or "file2", it works, but with "file3. I want to have it all in one query, do i have to setup one query for every case? The outcome should be every log line containing at least one of the expressions in either of the jobs. Here is the query from image above. Click the Query tab. ), and a regex to isolate the varying part of the value: BMSI_TAF_([^,]*) With this setup, the region variable contains values such as BC, AB, etc. A log pipeline is a set of stage expressions that are chained together and applied to the selected log streams. The query returns a list like this: udr_foo. And here is an example, using your data. Like PromQL, LogQL is filtered using tags and operators, and has two main types of query functions. For example, a variable used in a regex expression in an InfluxDB or Prometheus Dec 6, 2021 · Example of it running in JavaScript: Grafana Loki query with regex interpolation for multiple choice variable. 35@2x] And there you go! Aug 10, 2018 · I'm trying to get these names in the variable template in Grafana. 3 has been unleashed upon the world, bringing with it the latest iteration of the vParquet backend! Tempo 2. I know I can use: ${__field. Under Your connections, click Data sources. You can use variables in metric queries and in panel titles. BTW: Looks like I have 2 accounts here assigned to my github account Weird. For example, to visualize the query results as a time series, select Time series. Elasticsearch queries are in Lucene format. If empty, uses the log message. The replacement field defaults to just $1, the first captured regex, so it’s sometimes omitted. Feb 26, 2021 · I know it is quite new topic so there are almost no docs anywhere - if I understand correctly regexp here comes with loki 2. Using regex formatting and the Equal Tilde operator, =~: Apr 29, 2020 · Regex on variables in a query. I copied your string value, but not exactly [CleanShot 2021-09-28 at 13. downstream_url. The links below provide information about Go’s regular expression syntax. A label matchers consists of 3 distinct parts, the label, the value and the operator. myserver. Mar 29, 2017 · Use a regular expression to specify a tag with a value in the WHERE clause. These Grafana dashboards are present all over the place here at Grafana Labs. Sort: Default is disabled. Navigate to the panel where you want to add one or more transformations. To add TraceQL panels to your dashboard, refer to Mar 30, 2022 · Newcomer to Grafana here. Grafana v9. should be showed in table as: 123, 567, 777 (only numeric part of value) Multi-value variables in tag queries use the advanced formatting syntax for variables introduced in Grafana v5. We’re excited about today’s release of Grafana 7. Click Add override property. Watch the video above for all the details, or continue Jan 8, 2020 · The dashboard defines the variables with a SELECT DISTINCT query on the data set to gather the possible values (e. In addition to PromQL, Prometheus provides a scraper that fetches metrics from instances (any application providing metrics) and a time series database (TSDB), which stores these metrics over time. One downside in raw PromQL is that functions are nested, which means you read the query from the inside out and arguments for a function can be far away from the function name. I want it to find anything that includes the word “fail” with any case. Flux provides two comparison operators for use with regular expressions. I use the following query with a regex expression May 31, 2021 · Grafana Regex Query. I’ve found only one working way: add a field override using regexp. Grafana exclude values from query with wildcard. Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. Is it possible to do it ? Datasource: Elasticsearch. 5. newuser123 March 26, 2024, 3:14pm 1. Click the Transform tab. L=Live T=Test S=Special so in my variable drop Mar 23, 2017 · Series Overrides You can customize display options on a per series bases, or by using regex rules. 3 you should be able to use the newly introduced pattern parser expression. but when i use a regex in my WHERE clause, the further expression with this query shows No Data for some reason. BMSI_TAF_BC, BMSI_TAF_AB, etc. Regex: Optional, if you want to extract part of a series name or metric node segment. Metric queries extend log queries to calculate values based on query results. 3. app2_current_sensor2. Currently, TraceQL query can select traces based on the following: Span and resource attributes, timing, and duration. Probably I can use for that the “Regex” field but I can’t Mar 23, 2022 · my proposal would be to make a change to use the stringToJsRegex function in the renameByRegex transformation. Query to return log line contents. downstream-url or its yaml equivalent frontend. Select a resource from which to query metrics by using the subscription, resource group, resource type, and resource fields. * i will get is-someone. You can create many types of queries to visualize logs or metrics stored in Elasticsearch, and annotate graphs with log events stored in Elasticsearch. Click Add value mappings. Add as many overrides as you need. artemis" OR Values starting with "notif. Click a transformation. To run a query, select Run queries located at the top of the editor. Previous to this all colors are transparent. 2. Refresh: When to update the values for the Querying Prometheus. Code mode, which provides a feature-rich editor for writing queries. Click the Data source drop-down menu and select a data source. In this case we are extracting from the log the parts that we want to use: method, path, service, duration, etc. Hello, I am requesting an influx Database based on the field and measurement directly selected from panel variables shown as drop downs (result from query on the DB). The value of the Instances format needs to be Sep 17, 2018 · Filter and modify the options using a regex capture group to return part of the text: Regex: Result: Hence, you may use. Scroll to the Value mappings section and expand it. Grafana supports Flux when running InfluxDB v1. . What i have right now Mar 15, 2021 · Grafana. Subhidh Agarwal. +)'\. Then you can use the plus button to add any override. To make it a bit easier, I’ve set up a constant variable with the following regex value: all_services = /^Service1$|^Service2$|^Service3$|^ServiceN$/ Actual service names are very different and have no clear pattern. The Value field matches against the corresponding value for the specified Label name. The Operator field is the operator to You can compose TraceQL queries in Grafana and Grafana Cloud using Explore and a Tempo data source. g. It can handle all types of Graphite queries, including complex nested queries through the use of query references. I am dynamically creating a list of elements and populating a Variable (Query of label_values(source) where "source" contains the list of possible results). For Grafana workspaces that support Grafana version 9. Multiple resources can also be selected as long as they belong to the same subscription, region and resource Aug 27, 2021 · If you can use Loki v2. If `source` is provided and it's a list, the Nov 25, 2022 · I have Grafana dashboards with “Stat” components and I try to change the display names. Each capture group must be named. See Lucene query syntax and and Query string syntax if you are new to working with Lucene queries in Elasticsearch. +) -> $1. Before queries are sent to your data source the query is interpolated, meaning the variable is replaced with its current value. The Label field is the name of the label to match. x, see Working in Grafana version 9. I have more than will neatly fit into a single list. The internet said that i could try (?i). ext", it won't). _ ]+) - a capturing group that matches 1+ ASCII letters, digits, -, . Apr 7, 2021 · I have created a regex that changes strips off the AWS domain info and returns only the IP address prefixed with “ip-”. Here is the regex for that which I am using in another query variable: / (ip-\d {1,3}-\d {1,3}-\d {1,3}-\d {1,3})/. The next time, if any new topic gets created, the dashboard will automatically reflect and show on the Grafana dashboard, then you don't have to do it as the “old” way. 01. local net001. Color & Point Overrides In the above graph you can see points, lines and y-axis overrides using Mar 21, 2022 · Any label pairs whose names match the provided regex will be copied with the new label name given in the replacement field, by utilizing group references (${1}, ${2}, etc). My variable looks like this: I now want to select the id part after test via an InfluxDB query. Note on the "Instant" setting: This setting switches from a Aug 9, 2021 · Writing LogQL queries to access Loki’s log data just got easier, thanks to the new pattern parser released with Loki 2. The following will help you get started working with Elasticsearch and Grafana: Query with TraceQL. Like PromQL, LogQL supports a subset of built-in aggregation operators that can be used to aggregate the element of a single vector, resulting in a new vector of fewer elements but with aggregated values: sum: Calculate sum over labels Feb 4, 2020 · PromQL is the querying language that is part of Prometheus. I’ve tried a lot of different way to write it: $1, \1, ${“\1”},. mnyut April 29, 2020, 1:33pm 1. The regex should - exclude all values starting with "$. Jan 8, 2022 · But what if you have more than 2 topics and your topics actually have the same pattern which could be matching by regex. My problem is May 6, 2019 · This should work (replacing up with the metric you mention):. Also can someone suggest me a regex tool, where I can visualize the patterns with a given set of test data. Mar 26, 2024 · Grafana Dashboards. " Using regex: [^\. 0). I would apply a regex on values of a colums. These LogQL query examples have explanations of what the queries accomplish. Built-in aggregation operators. A pipeline is comprised of a set of stages. *" or ". You can use either the Query type > Search (the TraceQL query builder) or the TraceQL tab (the TraceQL query editor). The Settings tab of the data source is displayed. 0, unifying Prometheus alerting and Grafana alerting in the same user interface for viewing and editing alerts. The Loki query editor has two modes: Builder mode, which provides a visual query designer. Jun 6, 2022 · Demo and training dashboards. x. Queries act as if they are a distributed grep to aggregate log sources. com:9100, node2. I want to set up a query which searches multiple jobs for multiple regex but i dont understand how to use or operators. displayName. Our instance is a machine name which follows strict rules, e. Click Query options to configure the maximum number of data points you need. Mar 23, 2021 · Hi all, I’m using GraphQL datasource with Table panel (grafana 7. For general documentation on querying data sources in Grafana, see Query and transform data. regex: # The RE2 regular expression. 8 and higher. Goal here is to have a graph with all of the interface usage shown in one graph, not separate graphs for each interface…but that’s next. original as my own variable to collect data from elasticsearch and now I can see my logs. For options and functions common to all query editors, see Query editors. 14. I’ve tried . !~ Dec 7, 2021 · I want to shorten the metric name or i want to add particular part of the metric name to display it on the chart or table. =~ When the expression on the left MATCHES the regular expression on the right, this evaluates to true. Optionally, the log stream selector can be followed by a log pipeline. But some people prefer to use the name instead of the ID. Without --frontend. +user '(. e. To match same text multiple times you'll need to employ a trick: capturing groups inside of lookaheads. Hi! I have Grafana v 7. Edit the panel to which you’re adding a query. The query I tried: "Name"} and then use the regex field below the query Here is an example Jan 18, 2024 · The regex itself (?<=test. Inspired by PromQL, Loki also has its own query language, called LogQL, which is like a distributed grep that aggregates views of logs. The extracted data is then available for use by other stages. 145 1 10. To configure basic settings for the data source, complete the following steps: Click Connections in the left-side menu. I’m implementing an override that searches by regex. Now as per the table x* (* implies x*) and hence the match will be on zero or more occurance of x (in your case /). 1, which extends Grafana’s built-in InfluxDB datasource to run queries in both the Flux language and InfluxQL. Jul 22, 2016 · Go to the "Queries" tab: Enter the name (here db2_prometheus_adapter_info) of the metric. Hover over any part of the panel to display the actions menu on the top right corner. 7 and I 'm trying to extract some content from my data. 1; I want to query multiple service statuses from a Zabbix data source. Dec 28, 2021 · The data comes from log messages of the form. > SELECT "field" FROM "measurement" WHERE tag =~ /19/ 😕. Elasticsearch is a search and analytics engine used for a variety of use cases. This provides a common experience around alerting for all Grafana users and data sources — whether you’re using the open source version or the Jan 7, 2021 · I’m retrieving data from a Linux Node Exporter from Prometheus, and i try to limit the result to devices starting by /dev/sd. New TraceQL features in Tempo 2. I know that I can use structure like: label_values({job="nodes"},instance) and I received something like: node1. Feb 21, 2019 · As per this using * is tricky, it is considered as x* (where x is last non-empty character preceeding *). that way, people would be able to add more complicated regex expressions like /foo/g. This introduction to PromQL will be largely decoupled from specific tools and the non May 31, 2021 · Hi everyone I have Grafana v 7. Metric: RawData. We have https://play. Let’s take a closer look. Dec 21, 2020 · 0. Grafana provides a query editor for the Prometheus data source to create queries in PromQL. 37@2x] Chose the new Regex option: [CleanShot 2021-09-28 at 13. I tried different constructions like “node” = $ {node} but with no success. , and the queries respect the selected region. The repeating works fine, but I also need to show or hide data in the graph based on the same variable. I confirmed and seems to work but I don’t know how to combine the regex and variable syntactically in the query. com:9100, etc. I want to do something like: My_own_metric_(. Templates and variables. Options include alphabetical, numerical and alphabetical case-sensitive. I want to have a template variable which uses the values of <X>, which I can do with a regex such as /-(\w)\w\d+$/ but this just gives me that one character. Enter Graphite in the search bar. I want the exact regex to extract for ex: Running::armada-api-5ff69858bd-npnl6 Running::cm-cert-manager-856678cfb7-fgbdb Running::cm-cert-manager-856678cfb7-x64v2 Running::cm-cert-manager-cainjector-85849bd97-7jbws Running::cm-cert-manager-cainjector-85849bd97-k4xtc Click the menu icon and select Edit to open the panel editor. label_values(up{service=~"abc. To switch between the editor modes, select the corresponding Builder and Code tabs. 4. {{regex1 Mar 9, 2016 · Covered in this article: Lucene Query Format Templated Queries Sawtooth-Like Graphs Incomplete data at the beginning and the end of a graph Sum function broken About one year after I created an issue at Grafana’s GitHub page, we finally have support for using Elasticsearch as a time series database! At that time, I was trying to lower the burden of adopting the open source Java performance Jul 16, 2020 · Jul 16, 2020. Every capture group (re) will be set into the extracted map, every capture group must be named: (?P<name>re). Templating labels and annotations. But I also applied the transform “Labels to fields”. 1. some_text: key1=val1, key2=val2, So a regular expression like /key1=([^,]*)/ would for example extract val1. but i don’t know to use the transformation in the table panel that show the result of the regex, the origin field still the same as before and I don;t know where the replacement of the regex was. For general documentation on querying data sources in Grafana, including options and functions common to all query editors, see Query Flux uses Go’s regexp package for regular expression search. I'd like to use grafana to filter values by name: This is an example of my keys and values: Now would like to show only those, whose name contains "_percentage". Can you help me , how to exclude below hosts on templating regex option. – Subhidh Agarwal. referenced in the expression gives No Data. All LogQL queries contain a log stream selector. My regex / ( [a-zA-Z\a]. Use the InfluxQL query form to build your query: Nov 12, 2021 · 1. Go to the "Visualization" tab: Choose the value "Name" under "Value - Stat". Click Explore. 0, Flux or InfluxQL. . dns-baz1. 0} to get the first character from the string used by grafana as a display name for my metric. ext" or "file4. So I want to offer both together as a selection (Variables -> Selection Options -> Multi-value). I want to categorize these values into some text. In this case, my goal is to take the message from snort alert. ansys001. [source: [<string>] | <string>] # Separator placed between concatenated extracted data names. 26@2x] Here is my rather ugly regex with a capture group for the user IDs: [CleanShot 2021-09-28 at 13. original as my own variable to collect data from elastic search and now I can see my logs. 02. Here, ([-a-zA-Z0-9. Sep 22, 2021 · From: 10. What are you trying to achieve? I want to rename the values of one of the columns of my rows using a RegEx expression. Do I don’t understand logical steps in this querry? The same regexp works fine with promtail label but having such label does not make sense. For example, you might want to set the severity label for an alert based on the value of the query, or use the instance label from the query in a summary annotation so you know which server is experiencing high CPU Oct 4, 2023 · What Grafana version and what operating system are you using? v8. Tag expression example. I'm looking to use the above query to filter Jul 18, 2022 · The Prometheus query builder helps with understanding queries in a couple of different ways. 0: {var:regex}. If your data source is configured for Flux, you can use the Flux query and scripting language in the query editor, which serves as a text editor for raw Flux queries with macro support. When I query my influxdb like this, I get the desired results. Jul 30, 2021 · Variable / Regex in query editor. Each expression can filter out, parse, or mutate log lines and their respective labels. 0. 2). Select the field option that you want to apply. Queries in Grafana can be applied in various ways, depending on the data source and query language being used. My goal is to take a part from the message from snort’s alert. For the extraction of variables there is a mechanism to parse and pick, see. wpxqwejpsstbdlsyncse