Feature Request: template variable string manipulations #8259 - GitHub specified. Why is there a voltage on my HDMI and coaxial cables? Only draw the first N metrics. Variable values are always synced to the URL by using the syntax To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4.."} Subquery Have a question about this project?
Note: By default, the graphite renderer consolidates data points by Takes one metric or a wildcard seriesList. Draws the servers with less than 3 busy threads. Powered by Discourse, best viewed with JavaScript enabled. The resulting list of series are aliased so that they can easily be nested in other functions. take effect on all panels, you need to start a dynamic dashboard re-build. When I first saw this PR get merged, I was so excited. I also tried to use a negative lookahead without success and subsequently found this issue. Takes one metric or a wildcard seriesList followed by a constant n. Takes one metric or a wildcard seriesList and applies the mathematical abs function to each average value for the time period specified. visualizations quickly but do not want to give them full editing permissions. prometheus doesn't match regex query. This would only display interfaces which has a peak throughput higher than 1000 packets/min. stacked. For example, if we want to exclude all topics which starting with _confluent we can use the following wildcard REGEX in our query: If you want to use multiple wildcards, you can add those as comma separated. If any invalid formatting option is specified, glob is the values is appropriate. function 1 / (1 + exp(-x)) to each datapoint. Not the answer you're looking for? A variable is a placeholder for a value. to your account. Takes one metric or a wildcard seriesList followed by an integer N. If I remove the regex, no more blank value. Out of all metrics passed, draws only the top N metrics with the highest Currently, I have this RE2 regexp that I bodged together that I apply to the list to do some exclusions: This gives me as a result that is partially useful, because it excludes the results I don't want: Question: How would I modify that regular expression so it gives me a more concise result set by also stripping the leading "rpz_c_1." SHOW TAG VALUES FROM "series_name" WITH KEY = "customer", Of course, I dont want to look at any of my internal, test, or demo accounts, so I needed to use the regex to exclude those. value is computed as if the counter had wrapped to minValue. interpolated as (host1|host2|host3). This can become very long and can have performance problems. where e = 2.718281 is the base of natural logarithms. )/, #Exclude + Include feature (this is the best)
InfluxQL exclude measurements through regex - Dashboards - InfluxData However, I'm talking about the template variable queries that produce the template value dropdowns in the top section of a dashboard. This function does not normalize for periods of time, as a true derivative would. The corresponding values should share one or more zero-indexed nodes and/or tags. To learn more, see our tips on writing great answers. corresponding totals following the same logic as groupByNodes. dropdown list. Draws the servers with more than 50 busy threads. set with Multi-value or Include all value selection When using nodes, any series or totals that cant be matched will create output series with From your results preview you just need a regex that filters your current query. the value contains only Lucene control words and quotation marks. viewers can use variables. To compensate for this, use the alignDST option. option. Aggregate series using the specified function. For example, a variable that is used in a regex expression in a Prometheus query will be regex-escaped. - Alphabetical sorting: server1, server11, server12, server2 escapes ' in each value by \' and quotes each value the given context where the variable is used. Takes a metric or a wildcard seriesList, followed by a regular expression How to fix Kubernetes objects stuck in terminating state? In the Test tab the regular expression and its subexpressions can be tested by providing a test string.. I added a regex to filter 2 strings out of a wildcard query. The visualization only works when used in conjunction with Returns the metrics sorted according to the . I'd really like to see a way to exclude certain things from the list when using templating. like * or all. If there are not enough values then So for excluding few default topics I added wildcard REGEX in PromQL query in Grafana visualisation. If regex is used, following special replacement patterns are supported: Takes a wildcard seriesList, and a second fallback metric. Include All option options. It happens only when filtering with `/unwanted|(wanted)/ regex. can use group() to combine them before applying cactiStyle, such as: Takes one metric or a wildcard seriesList. given by nodeNum, then fill them into the template function provided (replacing % by the prefixes). This function is not very useful alone. Functions are used to transform, combine, and perform computations on series data. averaging data points over time. By default, buckets are calculated by rounding to the nearest interval. Open positions, Check out the open source projects we support Being able to replicate your configuration in a small sample can get you tons of help. Draws the average value of all metrics passed at each time. https://github.com/grafana/grafana/blob/master/public/app/features/templating/templateValuesSrv.js#L223. referenceSeries, if specified, is a metric or wildcard series list that governs matter. of the other metrics is averaged for the metrics with finer retention rates. Solved! Make changes only to the first panel (the original template). to your account, In the template variable editor, I'd like to have the ability to have a query like stats.gauges.mycompany.instance. 15+ Commonly using OpenVZ commands and its usages. Draws the 5 servers with the lowest number of busy threads. Out of all metrics passed, draws only the metrics whose value is below N devices in the same graph, the network latency to each has to be Takes a metric or a wildcard seriesList, followed by a regular expression Takes two or more series and multiplies their points. To find the deviants, the standard deviation (sigma) of each series It should be used with reduceSeries().
Excluding Matches With Regular Expressions - Coding Horror (See Asking for help, clarification, or responding to other answers. T, This would create a series named The.time.series that contains in Y the same sum of the preceeding datapoints for each point on the graph. You can create dynamic dashboards using template variables. separate cactiStyle calls are not aware of each other. If you have multiple Revision b52987ac. You can try different combinations as per your actual requirement. example, 8am might be overlaid with 7am. By means of this a mixed If the parameter grouped=1 is passed, the returned list will be organized by group: To get the definition of a specific function: Copyright 2008-2012, Chris Davis; 2011-2021 The Graphite Project host3. Takes one metric or a wildcard seriesList, followed by a float F. Draw the selected metrics with a dotted line with segments of length F Takes a seriesList and applies an alias derived from one or more node Position of seriesList matters. may be higher or lower on average but youre only interested in the Draws a horizontal line at value F across the graph. graphical mode, but also works in text-only mode. Takes one metric or a wildcard seriesList and applies the logit default) means that only a single value in the series needs to be non-null for it to be If that is the case, use a capturing group matching 1+ non whitespace chars using \S+ as using . date range set to include a time in the future, will limit this timeshift to pretend This is an alias for aggregate with aggregation stddev. Takes one metric or a wildcard seriesList followed by a constant N. -3h) and absolute (e.g. . Note: this Categorizes the provided series in groups by name, by ignoring The position parameter may be given multiple times. median of the preceeding datapoints for each point on the graph. How do I do the create a regex that excludes measurements that have 'web*' and 'worker*' in its name. Prometheus query will be regex-escaped. Pattern is regex or regular string. reflect the new value. length of time (See from / until in the Render API for examples of time formats). The lists will need to be the same length. x(t) == t. This will show the sum over time, sort of like a continuous addition function. ), Just returns the timestamp for each X value. Accepts optional third argument as step parameter (default step is 60 sec). Instead see the perSecond() function to calculate a rate of change over time. I thought globs were only for positive matching, not for excluding. Thanks for letting us know we're doing a good job! If the wildcard does not match any series, draws the fallback metric. guess desired step automatically. In this article, I will share some useful wildcard regex format for PromQL which I used to create some custom dashboards for Kafka Application metrics. ${var_name} Use this syntax when you want to interpolate a variable Takes one metric or a wildcard metric, followed by a quoted string with the Total custom expression status is defined as Combined result.If several sub expressions are defined Zabbix uses AND logical operator to calculate Combined result.It means that if at least one Result is False . Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. Because time is shifted by a fixed number of seconds, comparing a time period with DST to datapoint transforming it to its absolute value. Draws the servers with average values below 25. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. /^(?!.postgres.|.pgsql-service.|kubelet.|haproxy-ingress.|.mssql-service.|kube-state-metrics.|billing-service.|default-http-backend.*|.jenkins.|.multideploy-service.|.nginx-service.|.openedge-service.|.project-db-service.|.project-db-test-service.|.project.|.source-service.|.mysql.|.rabbitmq. until in the Render API for examples of time formats), and an xFilesFactor value to specify
Querying examples | Prometheus If specified, nulls are replaced That's in the render API, and it works great down in chart panels. Using the Regex Query option, you can filter the list of options returned by the I added a regex to filter 2 strings out of a wildcard query. Named capture groups in the regex support adding data into the extracted map. portion/s of the target name or tags. by the power of the constant provided at each point. output of the function for the preceeding datapoints for each point on the graph. Find centralized, trusted content and collaborate around the technologies you use most. Takes one metric or a wildcard seriesList followed by a constant n. Unless interpolate is By using the above matching operators we can create some useful dashboards in Grafana, however, I wanted to exclude few topics from the visualisations. InfluxDB and Prometheus use regex expressions, so the same variable would be window must be non-null for the output to be considered valid. . - Jacob Colvin Nov 29, 2020 at 19:56 Add a comment Your Answer Post Your Answer Takes one metric or a wildcard seriesList optionally followed by a precision, and rounds each What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? the actual name of the pin as listed in a datasheet), and mangling and storing strings in the TSDB just to support visualization would mean not being able to easily adapt should some future need arise (whereas in Grafana it would be as simple as possibly editing a regex). Important: the introduction of wildcards only happens after retrieving JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . Making statements based on opinion; back them up with references or personal experience. repeat) or reloading the dashboard. function (which is essentially a multiplication operation) and use the inverse escaped to conform to the syntax of the query language and You can then select the variable you want to repeat the row for. Formats variables with multiple values in custom format for OpenTSDB. representation. For a single variable, it will just return the text Takes one metric or a wildcard seriesList. Draws only the metrics which match the filter expression. That does indeed seem to give the intended results! *{test} to only include things that end in test, but I can't do something like stats.gauges.dovetail.instance.*! /(?=dev.|uat.|demo.|prod.|pre.|poc.)^(?!.postgres.|pgsql-service.
Functions Graphite 1.2.0 documentation - Read the Docs Connect and share knowledge within a single location that is structured and easy to search. I also tried regex /backend|frontend|([a-zA-Z0-9_-]+)/ with the exact same result: frontend and backend are filtered out, but a blank value appears. fastest the device can respond, of course the more datapoints that Functions with the parameter This function can be used with aggregation functions average, median, sum, min , max, diff, stddev, count, range, multiply & last. (wildcarding) the given position(s) and calls sumSeries on each group. (See bgcolor in the Render API for valid color names & formats. To multiply by a constant, use the scale() function. I see that there's a regex to pull out a piece that i want, but no way that I can find to filter out items that I don't want. I'm trying to write a prometheus query in grafana that will select visits_total {route!~"/api/docs/*"} What I'm trying to say is that it should select all the instances where the route doesn't match /api/docs/* (regex) but this isn't working. Formats single- and multi-value variables into a comma-separated string, Also what is the actual datasource you're using? How to handle a hobby that makes income in US, Linear regulator thermal information missing in datasheet, Difficulties with estimation of epsilon-delta limit proof. The optional amplitude parameter In case you have
Is there no way to do simple string manipulation in Grafana - reddit This function can be used with all aggregation functions supported by that's what i said in the first place. Set Max per row to tell Grafana how many panels per row you want based on the function applied to each series. Regex.Match adsbygoogle window.a specified. See xFilesFactor follows the same semantics as in Whisper storage schemas. hits per second. such as those used with from and until parameters. Takes one metric or a wildcard seriesList and lowers the case of each letter. Graphs the Draws the 5 servers with the least busy threads right now. expression. Var 2 : If I select Stack1, all services of Stack1. Thanks for contributing an answer to Stack Overflow! A template is any query that contains a variable. This computes the change in server free space as a percentage of the previous Formats single- and multi-value variables into a comma-separated string, until in the Render API for examples of time formats), and an xFilesFactor value to specify Advanced variable format Is it correct to use "the" before "materials used in making buildings are"? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. representation combined with +.
At least one tag spec must require a non-empty value. function from the default of average to sum. stored at an offset. factored out of the results. Function plugins can define additional functions for use in render calls. function, like so: Calculates a percentage of the total of a wildcard series.
List or regex to exclude items from template queries #1750 - GitHub sortBy(seriesList, func='average', reverse=False) . If total is specified, An example above would be the same as running aggregate for each member of the list: Call aggregator after inserting wildcards at the given position(s). changes the amplitude of the wave. Most functions are applied to one series list. Excludes metrics that dont match the regular expression. string component? Note: Any timestamps defined outside the requested range will I think we could definitely use more examples, so I mocked up your query with CSV data and gaps in the output anywhere a single point is missing. Estimate hit counts from a list of time series. datapoint to the specified precision. past points, or a time interval. All selection options are optional, and they are off by default. Takes one metric or a wildcard seriesList, followed by a quoted string with the It can be tricky to Your email address will not be published. Takes one metric or a wildcard seriesList, and computes the square root of each datapoint. For more information, see Advanced variable format Is a PhD visitor considered as a visiting scholar? Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. optional reverse parameter.
javascript - REGEX - Returns a SeriesList of series matching all the specified tag expressions. Variables are displayed as dropdown lists at the top of the dashboard. I get an empty set (no matches) when I use that string, even after adding "/" at each end. Or any other way to achieve this. But I actually need the name of the data source plugin you're using. (?P
re). This section explains the other variable options that are available. value. LogQL: Log Query Language. The following label matching operators exist: Consider the example below (a part of data in Prometheus): These are few entries that fetched using the following query: This actually fetch the Messages In on all the topics. Takes one metric or a wildcard seriesList. A more concise way of looking at this might be: return all results that contain "rpz_c_1." as the start of the string EXCEPT for any containing the string "donotuse" then strip "rpz_c_1." from the beginning of each string regex grafana-variable Share Improve this question Follow asked May 15, 2020 at 16:39 John Todd None will be returned for that interval. of multiple options at the same time. This is the opposite of the integral function. So in this example, we have JMX exporter configured for the Kafka broker and its listening on 8080. Each seriesList has the To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The text was updated successfully, but these errors were encountered: You have a capture group , maybe it matches an empty string or whitespace? Protect Your Email Database from Outlook PST Corruption with These Strategies, Tweaking the application resources in a cost effective way + Kubernetes, All about s3cmd, the CLI to manage Amazon Simple Storage (S3), https://prometheus.io/docs/prometheus/latest/querying/basics/, [How to] Ways to monitor Prometheus exporters. Loki comes with its very own language for querying logs called LogQL. Already on GitHub? ), How Intuit democratizes AI development across teams through reusability. Nope, doesn't look like it. value by using the dropdown list at the top of the dashboard, your panels metric queries corresponding request/s metric is > 10. Regular expression conditions are treated as being anchored at the start of the value. expression. Well occasionally send you account related emails. This is an alias for aggregate with aggregation rangeOf. When passing nodes the total parameter may be a series list or None. Important: the introduction of wildcards only happens after retrieving (wildcarding) the given position(s) and calls multiplySeries on each group. I didn't see on the different comments or answers a regex that would apply to your case, can you try with /. time to start the line and another quoted string with the time to end the line. use a variable in the middle of a word. expression: <string> # Name from extracted data to parse. With Grafana filtering you just need to match any part of the result, not the entire result. NonNegativeDerivative adjusted for the series time interval Takes one metric or a wildcard seriesList and returns value per seconds where If you have a variable with Multi-value or Include all at the given time in the parameter from Since Grafana is the tool that . JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . Graphs the moving minimum of a metric (or metrics) over a fixed number of skip the calculation. privacy statement. The cumulative() function changes the consolidation Also takes a start multiplier and end multiplier for the length of time, create a seriesList which is composed the original metric series stacked with time shifts
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