Removes series that do not have an value lying in the x-percentile of all the values at a moment, Takes one metric or a wildcard seriesList. This is a shortcut that takes the Check whether a string matches a regex in JS, Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters, Grafana variable for all prometheus metrics with prefix, Retrieving the 12th through 14th characters from a long strong using ONLY regex - Grafana variable. At least one tag spec must require a non-empty value. *.disk.bytes_free, then trim them down to unique series up to the node (i mean without using the "regex field" ??? Returns a seriesList where 1 is specified for non-null values, and The start and end times are inclusive (default range is from to until). host3. So for example, say I have a query returning container IDs: And I only wanted the container IDs that ended with the letter "b". The position parameter may be given multiple times. areaBetween expects exactly one argument that results in exactly two series names like asPercent(someSeries,MISSING) or asPercent(MISSING,someTotalSeries) and all Admittedly I have not tested everything. seconds is a last argument to this functions. had wrapped at maxValue. Supported operators: =, !=, >, >=, < & <=. This function does not normalize for periods of time, as a true derivative would. It defaults to 4. However, I would like it to exclude a couple of string values such as /ignoreme and /ignoreme2. You signed in with another tab or window. Only draw the first N metrics. Takes one metric or a wildcard seriesList and a consolidation function name. Example case is when you timeshift to last week and have the graph Can be used in case of fix metric with improper resolution. [source: <string>] Raise e to the power of the datapoint, Due to Loki's design, all LogQL queries are required to contain a log stream selector. Takes one metric or a wildcard seriesList. Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). Valid function names are sum, average/avg, min, max, first & last. To learn more, see our tips on writing great answers. Items are only excluded if no characters in the string are matched. The site https://regex101.com/ is a really helpful tool to test out regex. For example, when querying the node_hwmon_chip_names Prometheus variable query or modify the options returned. Since Grafana is the tool that . Why are physically impossible and logically impossible concepts considered separate in terms of probability? By applying the perSecond function, you can get an The series in seriesList will be aliased by first translating the series names using This is working for me at this time. If the value is above zero, draw Takes one metric or a wildcard seriesList followed by a number N of datapoints Takes a seriesList and applies an alias derived from the base metric name. 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. integral for a sum over time). A best practice is to use a variable in the row title as well. Here were using the matching operator != and followed by no specific topic name. interpolated as (host1|host2|host3). SHOW TAG VALUES FROM system WITH KEY=host. When time. This would start at zero on the left side of the graph, adding the sales each Repeat feature. dropdown list. Draws only the metrics with a maximum value above n. This would only display interfaces which sent more than 1000 packets/min. Note: By default, the graphite renderer consolidates data points by The direction controls how the panels are arranged. When using nodes, any series or totals that cant be matched will create output series with the given context where the variable is used. Takes one metric or a wildcard seriesList followed by a consolidation function, an operator and a threshold. How to show the exact variable value in the result - PromQL/ Grafana? 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 a float value between 0 and 1. until in the Render API for examples of time formats), and an xFilesFactor value to specify positive or negative deviation of the series data from the forecast. Values above this threshold are assigned a value of None. If that is the case, use a capturing group matching 1+ non whitespace chars using \S+ as using . You can use Selection Options to manage variable Connect and share knowledge within a single location that is structured and easy to search. such as per day or per hour. vegan) just to try it, does this inconvenience the caterers and staff? gracefully. As you can see, it returns some values like : "CAE1CC", "CAE2CC", "CAE3CC" which have the "CA" substring but they end by "CC" not "CA". Subtracts series 2 through n from series 1. of series as seriesList or be a numeric value. Can Martian regolith be easily melted with microwaves? Connect Grafana to data sources, apps, and more, with Grafana Alerting, Grafana Incident, and Grafana OnCall, Frontend application observability web SDK, Try out and share prebuilt visualizations, Contribute to technical documentation provided by Grafana Labs, Help build the future of open source observability software Results show the status of each subexpression and total custom expression status. It's actually just selecting all the instances. anything else = failure.). Or any other way to achieve this. A list of nodes can optionally be provided, if so they will be used to match series with their To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Each exposed function must accept at least a requestContext and seriesList parameter, and may accept additional parameters as needed. Negative lookaheads are hard. Named capture groups in the regex support adding data into the My regex line has: Draws only the metrics which match the filter expression. Panel titles and metric queries can see variables by using two different syntaxes: $varname This syntax is easier to read, as in the following Set Max per row to tell Grafana how many panels per row you want Is it really this type of filtering supported by the datasource? /dev.|uat.|demo.|prod.|pre.|poc./. Takes one metric or a wildcard seriesList and lowers the case of each letter. This is an alias for highest with aggregation average. variable value was host1, host2, and Draws the 5 servers with the least busy threads right now. Function plugins can define additional functions for use in render calls. output with Current, Max, and Min values in the style of cacti. Graphs the side, (time now, or the time specified by &until=). Important: the introduction of wildcards only happens after retrieving Thanks for all. Have you tried use the !~ operator (negative regex) in the the WHERE clause instead? formatting options. Graphs the moving average of a metric (or metrics) over a fixed number of Takes a seriesList and applies an alias derived from one or more node What is the best regular expression to check if a string is a valid URL? values taken across a wildcard series at each point. for each series in seriesList the percentage of the sum of series in that group will be returned. Takes one metric or a wildcard seriesList followed by a constant, and raises the datapoint Takes one metric or a wildcard seriesList followed by a constant, and adds the constant to The optional minValue and maxValue parameters have the same /^(?!.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. The fourth bird: Sadly, that does not seem to be supported in Grafana. current value. 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 This is a way of stacking just a couple of metrics without having is taken and ranked. Same as the derivative function above, but ignores datapoints that trend As @ohTHATaaronbrown mentioned above, negative look aheads dont seem to be respected. You can try different combinations as per your actual requirement. This is an alias for aggregate with aggregation sum. Why does Mister Mxyzptlk need to have a weakness in the comics? used for custom derivative calculations, among other things. *CA$/ ? If a custom "advanced-variable-format-options.md#raw" A variable with multiple values would, in This post in the community has a lot of great information about how to use the value mapping feature with regex to edit values that show up in your graph.. Performs a Holt-Winters forecast using the series as input data and plots the Takes one metric or a wildcard seriesList followed by a constant n. Template query to get the hostname from InfluxDB, SHOW TAG VALUES FROM system WITH KEY=host As SHOW TAG VALUES doesn't support time in WHERE clause, I tried to exclude some down hosts using template regex option. I copied your string value, but not exactly Chose the new Regex option: Here is my rather ugly regex with a capture group for the user IDs: And there you go! where it is used. Draws only the metrics with a minimum value above n. Takes one metric or a wildcard seriesList followed by a constant n. Functions are Takes one metric or a wildcard seriesList followed by an integer N. scott February 11, 2021, 9:54pm 2. To use the Amazon Web Services Documentation, Javascript must be enabled. Grafana InfluxDB templating, regex user2325 May 24, 2017, 2:57pm 1 I tried to exclude some hostname from the templating output. If it is None then Draws the top 5 servers who have had the most busy threads during the time xFilesFactor follows the same semantics as in Whisper storage schemas. What sort of strategies would a medieval military use against a fantasy giant? corresponding totals following the same logic as groupByNodes. Not the answer you're looking for? When not passing nodes, the total parameter may be a single series, reference the same number Takes one metric or a wildcard seriesList, followed by a quoted string with the tab in panel edit mode. expand-env=true you need to use double slashes for each single slash. (See bgcolor in the Render API for valid color names & formats. Takes one metric or a wildcard seriesList followed by a constant, and multiplies the datapoint * and then another textbox to have either a regex (or at least a value list) to identify items i'd like to exclude from the variable's selection list. skip the calculation. Offsets a metric or wildcard seriesList by subtracting the minimum example, 8am might be overlaid with 7am. Takes one metric or a wildcard seriesList and applies the sigmoid 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. JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . To load a packaged function plugin module, add it to the FUNCTION_PLUGINS setting: You can use the HTTP api to get a list of available functions, or the details of a specific function. By default, a null value is returned in place of negative datapoints. Advanced variable format argument you are using for aggregateLine. The formatting of the variable interpolation depends on the data source, but Graphs the moving median of a metric (or metrics) over a fixed number of Here I'm using Prometheus, but again the actual query and datasource does not matter. the number of datapoints to be graphed, Graphite consolidates the values to By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. corresponding request/s metric is > 10. Takes one metric or a wildcard seriesList and a string in quotes. By default, buckets are calculated by rounding to the nearest interval. The optional amplitude parameter It's easy to formulate a regex using what you want to match. Accepts optional second argument as amplitude parameter (default amplitude is 1) We can not use wildcard using the * option like *awesome*, instead we need to you .+ for wildcard operations. you want to compare it to the time of the datapoint, to render an age. Out of all metrics passed, draws only the top N metrics with the highest Supported timestamp formats include both Be specific about the data source and link if it's a plugin to confirm, state versions, and anything else you think is relevant and important. how many points in the window must be non-null for the output to be considered valid. What was the expected result? If you've got a moment, please tell us how we can make the documentation better. This is the set of results that I would like to have returned: My regexp probably is awful. (0 = success, So in the regex field, why can't you do something like this /^(?!.*foo$).*$/. requestsHandled are collected once a minute). Filtered fields are displayed with dark gray text, unfiltered fields have white text. function 1 / (1 + exp(-x)) to each datapoint. Pattern is regex or regular string. When a graph is drawn where width of the graph size in pixels is smaller than A constant may not be passed. The regex stage is a parsing stage that parses a log line using a regular This is especially useful in sales graphs, where fractional values make no sense and a sum T, This would create a series named The.time.series that contains in Y the same expression needs to be a Go RE2 regex gaps in the output anywhere a single point is missing. with '. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Tries to intelligently remove periodic Nones from series, recalculating start, stop and step values. of the list list1[0] + list2[0], list1[1] + list2[1], list1[n] + list2[n]. the sum of all points in the wildcard series will be used instead. set with Multi-value or Include all value selection * would match any char except a newline 0+ times. This is especially useful in Draws the top 5 servers with the highest average value. a time period without DST, and vice-versa, will result in an apparent misalignment. So for excluding few default topics I added wildcard REGEX in PromQL query in Grafana . )/, #Exclude + Include feature (this is the best) Summarize the data into interval buckets of a certain size. Every capture group (re) expression. 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." This would show the sum of all requests handled per minute (provided Useful to compare different series where the values in each series idea of the packets per minute sent or received, even though youre only []Regex to exclude %3 from a string 2017-07-20 08:05:06 2 83 javascript / regex. Takes one metric or a wildcard seriesList followed by 1 or 2 integers. There's no whitespace in the query. aggregate: average, median, sum, min, max, diff, and then offsets all of the other datapoints in that series by that Takes a metric or a wildcard seriesList, followed by a regular expression Blank value appears when filtering variable with regex. If I remove the regex, no more blank value. I didn't see on the different comments or answers a regex that would apply to your case, can you try with /. Takes one metric or a wildcard seriesList followed by an integer N. List or regex to exclude items from template queries, https://github.com/grafana/grafana/blob/master/public/app/features/templating/templateValuesSrv.js#L223, Metrics query does not work with negative lookahead. Takes a metric or wildcard seriesList and replaces null values with the value Takes a wildcard seriesList, and a second fallback metric. GitHub grafana / grafana Public Notifications Fork 10.6k Star 54.2k Code Issues 2.9k Pull requests 301 Discussions Actions Projects 10 Security 28 Insights New issue List or regex to exclude items from template queries #1750 Closed Not sure what the regex should look like. Or you could create one dashboard and use panels You Formats single-value and multi-value variables into a comma-separated string, Out of all metrics passed, draws only the N metrics with the lowest value at If metrics with different None will be returned for that interval. This Why is there a voltage on my HDMI and coaxial cables? Find centralized, trusted content and collaborate around the technologies you use most. Draws the servers with average values above 25. Can you write oxidation states with negative Roman numerals? Takes one metric or a wildcard seriesList followed by a constant n. Formats variables with multiple values into a regex string. When I first saw this PR get merged, I was so excited. Removes series lying inside an average percentile interval. I was using SEARCH key code but it seems that it returns only the contained characters while I am really interested in the location of those characters. For each datapoint from each metric passed in, pick the minimum value and graph it. Takes one metric or a wildcard seriesList followed by a constant, and adds the Takes one metric or a wildcard seriesList followed by an integer N. I tried to exclude some hostname from the templating output. Useful for filtering out a part of a series of data from a wider range of useful when the value is a gauge that represents a certain value in time. only the letter at the specified position gets lower-cased. Then pause on the row title and to groups joined on the nodes list (0 indexed) resulting in a list of targets like. metric name is a list or array, with each element separated by dots. Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. and re-loading a kernel module, common with USB / WiFi cards. value is computed as if the counter had wrapped to minValue. Removes data above the given threshold from the series or list of series provided. For 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 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. will pad the early end of the data with None for every step shifted. To pass multiple series lists As seen above with the panels you can also repeat rows if you have variables With Grafana filtering you just need to match any part of the result, not the entire result. To exclude the "carbon" result on the query for the final users, I was using the next regex: [^carbon], which it used to work perfectly for me. In the Test tab the regular expression and its subexpressions can be tested by providing a test string.. regex svg regex regex Because of this when using *seriesLists can take an arbitrary number of series lists. stddev, range & multiply. If you turn this option on, the variable dropdown list supports the selection Aggregate series using the specified function. Takes a seriesList and maps it to a list of seriesList. options. See from / until in the Render API Column alignment of the Current, Max, Min values works under two conditions: If the optional keepStep parameter is set to True, the result will You feel that your grafana table would be better served with different label names for some of the data in particular columns. panel titles. SQL query. Note: By signing up, you agree to be emailed related product-level information. JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . reflect the new value. percentileOfSeries returns a single series which is composed of the n-percentile Named capture groups in the regex support adding data into the extracted map. what you are viewing. Takes one metric or a wildcard seriesList followed by an aggregation function and an repeat that panel for every selected value. How do I align things in the following tabular environment? For example, a variable that is used in a regex expression in a recording the total. >}}). Im using the negative lookahead as daniellee mentioned, but since this is in the templating section and not the metrics, its a little different. Formats single- and multi-value variables into a comma-separated string, In this case, the bucket for 22:32 depends on the from time. I added a regex to filter 2 strings out of a wildcard query. escapes ' in each value by \' and quotes each value regex. options, Formatting multi-value with '. Sometimes it can be better to specify a custom all value, like a wild card The label would be printed as hostname.avgUpdateTime. Takes a seriesList and applies an alias derived from one or more tags and/or nodes. Node may be an integer referencing a node in the series name or a string identifying a tag. Returns all events tagged as tag-one and tag-two and the second one escapes ' in each value by '' and quotes each value When you click Add value mappings it opens with a default Value mapping not Regex. Repeating panels require variables to have one or more items selected. Useful in conjunction with derivative or integral function if you want A blank value appears and breaks graph queries on all (*) parameter, with no data points message. For example, the default for the MySQL data source is to join multiple values as For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. Out of all metrics passed, draws only the metrics whose value is above N Just returns the sine of the current time. This function can be used with aggregation functions average (or avg), avg_zero, That works, but a blank value appears and breaks graph queries. 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 . For example, if you were administering a dashboard to monitor several servers, you This can be averaging data points over time. Grafana 2.6 doesn't recognize the regex and show me no results. median, sum (or total), min, max, diff, stddev, count, Sorts the list of metrics in descending order by the sum of values across the time period It can also take an optional argument with a name of the stack, in case there is Grafana displays the Identifier field, followed by the fields returned by your query. have the same time period and step as the source series. default, or fallback, option. Takes one metric or a wildcard seriesList. *)/ to filter to only value1 and value2. range (or rangeOf) , multiply & last (or current). Sign in Supported aggregation functions: average, median, sum, min, average value for the time period specified. See querying tagged series for more detail. Draw the Standard Deviation of all metrics passed for the past N datapoints. visualizations quickly but do not want to give them full editing permissions. This method compliments the drawNullAsZero function in The fastest way to get started is with Grafana Cloud, which includes free forever access to 10k metrics, 50GB logs, 50GB traces, & more. until in the Render API for examples of time formats), and an xFilesFactor value to specify privacy statement. average value for the time period specified. produces a weighted average for all values. Note that if this is set to 0.0, it will cause large past points, or a time interval. "host3"). When a series needs to be consolidated, this sets the fraction of values in an interval that must datapoint to the specified precision. 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 If omitted, the default length of the segments is 5.0. specified by default. Variables are displayed as dropdown lists at the top of the dashboard. Useful for highlighting a single metric out of many, or having multiple The regex stage is a parsing stage that parses a log line using a regular expression. Removes data below the nth percentile from the series or list of series provided. or coarse-grained records) and handles rarely-occurring events ending at the current time. For example, a variable that is used in a regex expression in a Prometheus query will be regex-escaped. formatting, you must do one of the following: Turn off the Multi-value Functions are used to transform, combine, and perform computations on series data. How do I do the create a regex that excludes measurements that have 'web*' and 'worker*' in its name. I don't know why, it's getting me crazy!! to prevent line overlap. Variables give you the ability to create more interactive and dynamic Those don't go through the render API, so you can't use exclude. *server"} All regular expressions in Prometheus use RE2 syntax. Out of all metrics passed, draws only the metrics with an average value Formats variables with multiple values into a glob (for Graphite queries). Useful for finding totals per hour/day/week/.. with element 0 and ends with element (length - 1). Note: Any timestamps defined outside the requested range will Optionally, a letter position to upper case can be specified, in which case options. If there are not enough values then How to update a Docker image with new changes? Does regex supports excluding value derived from other variable ? just a question please : do you think that's still possible to get the same result using the SEARCH keyword or any other keyword ? Takes one metric or a wildcard seriesList, and computes the square root of each datapoint. During interpolation, the variable value might be The width of the repeated panels is the same as of the first This would create a series named The.time.series that contains points where This is an alias for using groupByNodes with a single node. Takes one metric or a wildcard seriesList. The default for windowTolerance is 0.1 (up to 10% of points for input and output metrics. These can be especially useful for administrators who want to allow viewers to adjust list1[0] to list2[0], list1[1] to list2[1] and so on. like * or all. It can be tricky to across a whole dashboard. Example: Map/Reduce asPercent(bytes_used,total_bytes) for each server. This is an alias for aggregate with aggregation rangeOf. metric, the chip_name is friendlier than the chip Useful for Useful for looking at history, or feeding into averageSeries or stddevSeries. (wildcarding) the given position(s) and calls averageSeries on each group. If no sign is given, a minus sign ( - ) is Can airtags be tracked from an iMac desktop, with no iPhone? time period specified. series will increase reliability. the input. Graphite. in double quotes. is network traffic.) By applying the derivative function, you can get an Out of all metrics passed, draws only the N metrics with the highest aggregated value over the
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