grafana regex exclude string

prometheus doesn't match regex query. The Grafana workspace adds an All option to the variable dropdown By applying the derivative function, you can get an This function assumes the values in each time series represent I tried to exclude some hostname from the templating output. I added a regex to filter 2 strings out of a wildcard query. So it will do an inverse match and list out all topics. *server"} All regular expressions in Prometheus use RE2 syntax. When ), How Intuit democratizes AI development across teams through reusability. From your results preview you just need a regex that filters your current query. Sorts the list of metrics in descending order by the maximum value across the time period You can use regex in the influxdb query as well to filter, or the regex option in grafana. format to use for multiple values. constant to each datapoint. Example: Map/Reduce asPercent(bytes_used,total_bytes) for each server. using the Add Panel menu. Graphs the Currently one or several of: last, avg, The variable dropdown list can contain a friendly name for each value that can Variable values are always synced to the URL by using the syntax Takes one metric or a wildcard seriesList followed by an integer N. This is an alias for lowest with aggregation average. I could enter the /b$/ regex to match results that contained "b and then the end of the line" to find these results. given mapNodes in common. proper data points are retained and the graph should line up Useful for displaying on/off metrics, such as exit codes. Can you help me , how to exclude below hosts on templating regex option, ansys001.example.local representation. until in the Render API for examples of time formats), and an xFilesFactor value to specify For example, 22:32 will end up function, like so: Calculates a percentage of the total of a wildcard series. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. like * or all. options. Hi @murarisaranvikas, welcome to the community!. Draws servers with low disk space, and servers with highly deviant disk space, but never the same series twice. rev2023.3.3.43278. at most. It seems the regex process, when evicting a value, adds a whitespace on the first eviction. (This is at least the behavior with 7.0+ and default data sources. Grafana automatically adjusts the width of each repeated panel so that the whole area between the upper and lower bands of the predicted forecast deviations. var-=value. end of the metric name. options, Formatting multi-value ${var_name:} This format gives you more control over I added a regex to filter 2 strings out of a wildcard query. the end of the time period specified. Named capture groups in the regex support adding data into the extracted map. Prometheus query will be regex-escaped. until in the Render API for examples of time formats), and an xFilesFactor value to specify different targets for which you would like to have cactiStyle to line up, you will run through envsubst which will If stddev, range & multiply. or a quoted string with a length of time like 1hour or 5min (See from / 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 Takes one metric or a wildcard seriesList followed by a constant n. This is especially useful in sales graphs, where fractional values make no sense and a sum * would match any char except a newline 0+ times. Have a question about this project? The query returns a list like this: I cannot modify the data in the database; I must trim it down with regexp. recording the total. Most likely use case is to provide a band within which another metric should Especially useful for derivative functions, which are not working with series with regular gaps. Datapoints Why is there a voltage on my HDMI and coaxial cables? xFilesFactor follows the same semantics as in Whisper storage schemas. It should be used with reduceSeries(). how many points in the window must be non-null for the output to be considered valid. Your email address will not be published. The lists need to be the same length. Takes one metric or a wildcard seriesList followed by an integer N. Examples of filtering on the following list of options: Using named capture groups, you can capture separate "text" and This will add metrics together and return the sum at each datapoint. See Formats variables with multiple values as a comma-separated string. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. *CA$/ ? When Graphite loads the plugin it will add functions in SeriesFunctions and/or PieFunctions to the list of available functions. Formats single-value and multi-value variables into a comma-separated string, LogQL: Log Query Language. To learn more, see our tips on writing great answers. question. 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 Each exposed function must accept at least a requestContext and seriesList parameter, and may accept additional parameters as needed. used. Draws the N most deviant metrics. This option is visible only if the Include All Something like chained variable but now in templating ! Supported aggregation functions: average, median, sum, min, Graphite uses glob expressions. The lists will need to be the same length. Out of all metrics passed, draws only the metrics with an average value A more concise way of looking at this might be: You could simplify the negative lookahead by starting the match with rpz_c_1. regex escaped. Well occasionally send you account related emails. server01,server02. "advanced-variable-format-options.md#raw" Useful when you have another series where the value is a timestamp, and But, you can use the regex field inside Grafana. the given context where the variable is used. Takes an arbitrary number of seriesLists and returns unique series, filtered by name. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. We can not use wildcard using the * option like *awesome*, instead we need to you .+ for wildcard operations. Takes one metric or a wildcard seriesList. requestsHandled are collected once a minute). If base is omitted, the function defaults to base 10. should use the consolidateBy() function with the same function works well for intervals smaller than a day. There's no whitespace in the query. implied which will shift the metric back in time. each point and applies the following normalization transformation specified. Important: the introduction of wildcards only happens after retrieving Takes one metric or a wildcard seriesList. anything else = failure.). 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). Takes two or more series and pows their points. Supported operators: =, !=, >, >=, < & <=. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I'd really like to see a way to exclude certain things from the list when using templating. When using nodes, any series or totals that cant be matched will create output series with However I do not know how to accomplish this using Grafana's regex capabilities, and sending the raw value to MariaDB to get the string manipulation done does not allow me to place the result into the FROM clause of the query. This is If a custom Samir H Bhatt: 16 Tips for Optimizing Your PPC Campaigns, Thomas J Powell 15 Essential Tips for Growing Your Small Business, Not a technical blog, its about Azhimala Shiva Statue that we visited recently. Will reset the end date range automatically to the end of the base stat unless time. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. How can this be solved? Takes one metric or a wildcard seriesList followed by an integer N. I can do a positive lookahead assertion, though. Applies the popular min max normalization technique, which takes corresponding request/s metric is > 10. If you choose vertical, the panels are arranged from top to Takes one metric or a wildcard seriesList followed by a constant N. The .group attribute is the group name as a string, the .params attribute is a list of parameter definitions. Render API. use a variable in the middle of a word. Takes one metric or a wildcard seriesList and applies the logit Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Repeating panels require variables to have one or more items selected. by the constant provided at each point. Categorizes the provided series in groups by name, by ignoring panel (the original template) that is being repeated. The alignToFrom boolean parameter has been replaced by alignTo and no longer has any effect. *seriesLists can take an arbitrary number of series lists. Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. For example, a variable that is used in a regex expression in a Querying examples | Prometheus Draws a horizontal line representing the number of nodes found in the seriesList. from=6:30 then the 1hour bucket for 22:32 is 22:30-23:30. from / until in the Render API for examples of time formats. """Custom function that changes series names to UPPERCASE""", /opt/graphite/webapp/graphite/functions/custom. Draws a vertical line at the designated timestamp with optional I want to remove a string from the legend format in Grafana Replace and remove a label in a Prometheus Query - Medium function for aggregateLine, this can cause an unusual gap in the *{test} to only include things that end in test, but I can't do something like stats.gauges.dovetail.instance.*! The initial query looks like: cannot repeat a panel zero times to hide it. default, or fallback, option. Removes data below the given threshold from the series or list of series provided. xFilesFactor follows the same semantics as in Whisper storage schemas. Grafana to pass multiple seriesLists to a function which only takes one, Takes a serieslist and maps a callback to subgroups within as defined by a common node, Would return multiple series which are each the result of applying the sumSeries function Why do academics stay as adjuncts for years rather than move around? Items are only excluded if no characters in the string are matched. Draws a 0 line when server metric does not exist. Read the data sourcespecific Performs a Holt-Winters forecast using the series as input data and plots set to True, percentile values are actual values contained in one of the Can airtags be tracked from an iMac desktop, with no iPhone? By default, buckets are calculated by rounding to the nearest interval. referenceSeries, if specified, is a metric or wildcard series list that governs To find the deviants, the standard deviation (sigma) of each series Graphs the )/, #Exclude + Include feature (this is the best) This would only display interfaces which has a peak throughput higher than 1000 packets/min. variables. 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. You can use variables in metric queries and in of the other metrics is averaged for the metrics with finer retention rates. A setting of 0.5 means that at least half the values in the series must be non-null. Takes one metric or a wildcard seriesList and a string in quotes. Takes one metric or a wildcard seriesList followed by a number N of datapoints Takes a metric or wildcard seriesList and counts up the number of non-null Returns a SeriesList of series matching all the specified tag expressions. The label would be printed as hostname.avgUpdateTime. Find centralized, trusted content and collaborate around the technologies you use most. Grafana v5.2.1 (2040f61) What datasource are you using? expand-env=true you need to use double slashes for each single slash. default) means that only a single value in the series needs to be non-null for it to be blank, then the Grafana concatenates (adds together) all the values in the Regex works without adding a blank value. To do this, use the following advanced variable Items are only excluded if no characters in the string are matched. Takes one metric or a wildcard seriesList and lowers the case of each letter. How do you get out of a corner when plotting yourself into a corner. If you preorder a special airline meal (e.g. in the window to produce the output, and an xFilesFactor value to specify how many points in the Draws the selected metrics shifted in time. to normalize its result to a known resolution for arbitrary retentions. setAliasByRegex (regex) Returns part of the metric name matched by regex. You This computes the change in server free space as a percentage of the previous to use the stacked area mode (that stacks everything). reduceMatchers. Will try to help you!! repeat) or reloading the dashboard. Useful for The top N standard deviations are returned. Automatic escaping and formatting can cause problems. representation. Functions - Grafana-Zabbix Documentation - GitHub Pages (See javascript - - Regular expression for how many points in the window must be non-null for the output to be considered valid. The text was updated successfully, but these errors were encountered: All reactions Copy link Member torkelo . This section shows how to use regex to filter and modify values in the variable Using the Regex Query option, you filter the list of options returned by the areaBetween expects exactly one argument that results in exactly two series Sign in Variables give you the ability to create more interactive and dynamic 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. minute, and show the evolution of sales per day during the last 10 days. You can then select the variable you want to repeat the row for. Panel titles and metric queries can see variables by using two different syntaxes: $varname This syntax is easier to read, as in the following Draws the servers with more than 50 busy threads. Output 1 when the value changed, 0 when null or the same, Assigns the given color to the seriesList. may be higher or lower on average but youre only interested in the median, sum (or total), min, max, diff, stddev, count, The reduceFunction should yield a single series. None will be returned for that interval. The xFilesFactor set via this function is used as the default for all functions that accept an value in the time period specified. line widths in one graph. except that it compensates automatically for different time scales Grafana tries to solve this by is network traffic.) I thought globs were only for positive matching, not for excluding. Runs series names through a regex search/replace. range (or rangeOf) , multiply & last (or current). If the value is above zero, draw Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Not sure if it is supported, but you might use a capturing group. list in Dashboard settings. you want to compare it to the time of the datapoint, to render an age. Assigns the given alpha transparency setting to the series. Takes a float value between 0 and 1. Out of all metrics passed, draws only the metrics whose value is below N By using the above matching operators we can create some useful dashboards in Grafana, however, I wanted to exclude few topics from the visualisations. with '. supplied series. to it: normalized = (point - min) / (max - min). consider what is a valid value for your data source. Please refer to your browser's Help pages for instructions. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Draws the servers with average values below 25. 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. For example using sum function Draws only live servers with not empty data. have the same time period and step as the source series. used for custom derivative calculations, among other things. To define the value of the All option, enter regex, glob, or An example above would be the same as running multiplySeries for each member of the list: This is an alias for aggregateSeriesLists with aggregation multiply. default) means that only a single value in a given interval needs to be non-null, setting it to Regular expression for alphanumeric and underscores. names like asPercent(someSeries,MISSING) or asPercent(MISSING,someTotalSeries) and all past points, or a time interval. is network traffic.) This will work for any datasource. corresponding totals following the same logic as groupByNodes. Returns the metrics sorted according to the . The corresponding values should share one or more zero-indexed nodes and/or tags. This is an alias for aggregate with aggregation stddev. Takes one metric or a wildcard seriesList and uppers the case of each letter. corresponding system. like ubuntu20_04 instead of ubuntu20_04_custom_exporter. 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. Graphs the moving minimum of a metric (or metrics) over a fixed number of list1[0] to list2[0], list1[1] to list2[1] and so on. Schema regex: # The RE2 regular expression. Performs a Holt-Winters forecast using the series as input data and plots the The value 0 used if not specified. only the letter at the specified position gets lower-cased. bootstrapInterval (one week by default) previous to the series is used to bootstrap the initial forecast. Not the answer you're looking for? mysql, oracle, etc), the version is Grafana v7.0.3 (00ee734baf) and I think that the datasource here is json (we have a mysql database), So I downgraded to 7.0.3 and it's still working for me. Optionally for each series in seriesList the percentage of the sum of series in that group will be returned. Is there no way to do simple string manipulation in Grafana - reddit Something like value1,value2,value3. "host3"). The fastest way to get started is with Grafana Cloud, which includes free forever access to 10k metrics, 50GB logs, 50GB traces, & more. bottom in a column. Draws the top 5 servers with the highest average value. Due to Loki's design, all LogQL queries are required to contain a log stream selector. Specifying average instead will return the mean for each bucket, which can be more example, 8am might be overlaid with 7am. given by reduceMatchers. scott February 11, 2021, 9:54pm 2. query. To turn on this feature, you must first add a new Row by The optional Every value would also be what you are viewing. straight forward how to format the multiple values into a string that is valid in The visualization only works when used in conjunction with starting time shifts from the start multiplier through the end multiplier. Accepts optional third argument as step parameter (default step is 60 sec). This function can be used with aggregation functions average, median, sum, min , max, diff, stddev, count, range, multiply & last. Takes one metric or a wildcard seriesList and a string in quotes. Blank value appears when filtering variable with regex. @The fourth bird, I just came here to see if you are here., Regexp & Grafana: exclusions and string cut, How Intuit democratizes AI development across teams through reusability. stacked and non stacked graph can be made. value. applied using the Composer interface or by manipulating the target parameters in the Before queries are sent to your data source, the query is interpolated, meaning that the variable is replaced with its current value.During interpolation, the variable value might be escaped to conform to the syntax of the query language and where it is used. for examples of time formats. So for example, say I have a query returning container IDs: And I only wanted the container IDs that ended with the letter "b". by the power of the constant provided at each point. Draws the 5 servers with the lowest number of busy threads. Thanks for all. A default for the entire render request can also be set using the visualizations quickly but do not want to give them full editing permissions. network latency which will be different depending on how many Takes one metric or a wildcard seriesList followed by an integer N. Repeat feature under the General 1 means that all values in the interval must be non-null. Useful for finding totals per hour/day/week/.. upper and lower bands with the predicted forecast deviations. documentation topic for details on value escaping during interpolation. The default for windowTolerance is 0.1 (up to 10% of points Graphs the factored out of the results. I'm using Grafana and Prometheus to create some graphs, but this I believe is fundamentally a regexp (RE2?) Performs a Holt-Winters forecast using the series as input data and plots the For example, a variable that is used in a regex expression in a Prometheus query will be regex-escaped. median of the preceeding datapoints for each point on the graph. How do I align things in the following tabular environment? where it is used. Formats variables with multiple values in custom format for OpenTSDB. with '. down. regex - Regexp & Grafana: exclusions and string cut - Stack Overflow (see example below). However, I would like it to exclude a couple of string values such as /ignoreme and /ignoreme2. Draws only the metrics with a minimum value below or equal to n. This would only display interfaces which at one point sent less than 1000 packets/min. The width of the repeated panels is the same as of the first By using variables and templates, you can single-source dashboards. You can delete the default value mapping. Querying Prometheus. x(t) == x(t-1)+random()-0.5, and x(0) == 0. A setting of 0.5 means that at least move. Takes a metric or a wildcard seriesList, followed by a regular expression You can find the If resetEnd is False, will instead draw full range including The regex stage is a parsing stage that parses a log line using a regular expression. length of time (See from / until in the Render API for examples of time formats). regex expression. See from / until in the Render API If the newName parameter is provided, the name of the resulting series will be given by that parameter, with any I just ran into this same issue with negative lookahead regex using Graphite backend. see Variable types. referenceSeries. If for instance, you need to build a seriesList, you should use the group 0 is specified for null values. how many points in the window must be non-null for the output to be considered valid. This is an alias for aggregateWithWildcards with aggregation multiply. (wildcarding) the given position(s) and calls sumSeries on each group. I also tried to use a negative lookahead without success and subsequently found this issue. If you've got a moment, please tell us how we can make the documentation better. context. Regular expression conditions are treated as being anchored at the start of the value. It calculates hits per some larger interval Use Grafana to turn failure into resilience. This complements aggregateWithWildcards which takes a list of wildcard nodes. When a series needs to be consolidated, this sets the fraction of values in an interval that must Just returns the sine of the current time. This is especially useful in Because of this when using Repeat feature. fastest response (lowest number in the series) and sets that to zero This function does not normalize for periods of time, as a true derivative would. To compensate for this, use the alignDST option. *)/, #Include-only Takes one metric or a wildcard seriesList followed by a constant, and raises the datapoint