Something like: WHERE host !~ /^ansys*.example.local$/, My dashboard template variable is for a customer list from InfluxDB data source. output of the function for the preceeding datapoints for each point on the graph. @fadjar340 Here are the new Grafana docs for regex-based value-mapping. Takes one metric or a wildcard seriesList followed by a number N of datapoints or a quoted string with a length of time like 1hour or 5min (See from / (so that a similar graph results from using either fine-grained sales graphs, where fractional values make no sense and a sum of consolidated [source: <string>] You can use regex in the influxdb query as well to filter, or the regex option in grafana. The optional amplitude parameter question. specified by default. If you are using the min or max 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. Values above this percentile are assigned a value of None. Performs a Holt-Winters forecast using the series as input data and plots the Regex.Match adsbygoogle window.a n - length elements of the array (if only one integer n is passed) or n - m set with Multi-value or Include all value selection timeSlice, in that this function is indifferent about the step intervals ${var_name:} This format gives you more control over Grafana tries to solve this by Removes series lying inside an average percentile interval. When you change the The label would be printed as hostname.avgUpdateTime. The reduceFunction should yield a single series. formatting, you must do one of the following: Turn off the Multi-value /dev.|uat.|demo.|prod.|pre.|poc./. to a function which only takes one, use the group() function. Out of all metrics passed, draws only the top N metrics with the highest So for excluding few default topics I added wildcard REGEX in PromQL query in Grafana . 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. is network traffic.) option is selected. A template is any query that contains a variable. If you preorder a special airline meal (e.g. regex. Takes one metric or a wildcard seriesList, followed by a quoted string with the visualizing a range such as the minimum and maximum latency for a service. Alignment can be to years, months, weeks, days, hours, and minutes. This will ensure that the So I'm not sure what datasource you're using, so it's hard for me to give an example of a query that does this for you. Every value would also be see Variable types. gaps in the output anywhere a single point is missing. or coarse-grained records) and handles rarely-occurring events value in the series from each datapoint. Returns the metrics sorted according to the . from / until in the Render API for examples of time formats. The width of the repeated panels is the same as of the first What am I doing wrong here in the PlotLegends specification? hits per second. Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. var-=value. privacy statement. Takes a metric or a wildcard seriesList, followed by a regular expression average utilizing the following formula: The first period EMA uses a simple moving average for its value. The Custom all value option on the variable The following will return the rate of 5XXs per service: The output series would have keys stats.counts.haproxy.web.pct_5XX and stats.counts.haproxy.microservice.pct_5XX. Make changes only to the first panel (the original template). This can become very long and can have performance problems. Can airtags be tracked from an iMac desktop, with no iPhone? If total is not specified, Well occasionally send you account related emails. @gerrickw Yeah. After matching the dot, assert what is on the right is not donotuse. drawAsInfinite. This is used The xFilesFactor set via this function is used as the default for all functions that accept an Draws only the metrics with a minimum value above n. Takes one metric or a wildcard seriesList followed by a constant n. repeat) or reloading the dashboard. to prevent line overlap. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If metrics with different Why is there a voltage on my HDMI and coaxial cables? variables. Next time I'm in .nl, I owe you a beer. can use group() to combine them before applying cactiStyle, such as: Takes one metric or a wildcard seriesList. []Regex to exclude %3 from a string 2017-07-20 08:05:06 2 83 javascript / regex. The blank value appears when a value is filtered by the regex. first, at the far left on the dashboard. dashboards. returns all events. This function can be used with aggregation functions average, median, sum, min, Draws the 5 servers with the least busy threads right now. output with Current, Max, and Min values in the style of cacti. query. Grafana InfluxDB templating, regex user2325 May 24, 2017, 2:57pm 1 I tried to exclude some hostname from the templating output. Draws the servers with average values above 25. function 1 / (1 + exp(-x)) to each datapoint. raise a ValueError exception. Categorizes the provided series in groups by name, by ignoring To compensate for this, use the alignDST option. If you choose horizontal, the panels are arranged side-by-side. Pattern is regex or regular string. Draws a 0 line when server metric does not exist. This is especially useful in sales graphs, where fractional values make no sense and a sum of the list list1[0] + list2[0], list1[1] + list2[1], list1[n] + list2[n]. Variable query or modify the options returned. Regex works without adding a blank value. Takes one metric or a wildcard seriesList. below N for the time period specified. Takes one metric or a wildcard seriesList followed by a constant, and raises the datapoint Each time you run ifconfig, the RX and TXPackets are higher (assuming there You can create dynamic dashboards using template variables. representation. Takes one metric or a wildcard seriesList. Solved! 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. The tags as stored do have meaning (e.g. It happens only when filtering with `/unwanted|(wanted)/ regex. being shifted. Draws the top 5 servers with the highest average value. However, I'm talking about the template variable queries that produce the template value dropdowns in the top section of a dashboard. series will increase reliability. Why do academics stay as adjuncts for years rather than move around? (Such as if a network interface is destroyed and recreated by unloading My goal is to extract the value of label "label_chart".For this purpose i am using the grafana pre-defined variable label_values.This will give me 3 results as shown below: sdc-5.17.2-HF01 sdc-5.17.1-b03 sdc-5.17.2-HF04-b01 But instead of the whole string sdc-5.17.2-HF01 i want only first 4 characters after the first minus (-) In some cases, you data. All variables in your queries expand to the current value of the variable before the not be null for the consolidation to be considered valid. For more information, see Advanced variable format Automatic escaping and formatting can cause problems. of series as seriesList or be a numeric value. Draws the N most deviant metrics. With variables, you can reuse a single dashboard for By using the above matching operators we can create some useful dashboards in Grafana, however, I wanted to exclude few topics from the visualisations. My regexp probably is awful. function from the default of average to sum. 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." Takes a seriesList and applies an alias derived from one or more tags and/or nodes. Have you tried use the !~ operator (negative regex) in the the WHERE clause instead? row is filled. How do I align things in the following tabular environment? move. scott February 11, 2021, 9:54pm 2. When a graph is drawn where width of the graph size in pixels is smaller than Asking for help, clarification, or responding to other answers. This section explains the other variable options that are available. Set Max per row to tell Grafana how many panels per row you want The site https://regex101.com/ is a really helpful tool to test out regex. I can only glob positively: I can do something like stats.gauges.dovetail.instance. network latency which will be different depending on how many When passing nodes the total parameter may be a series list or None. Formats single- and multi-value variables into a comma-separated string, Returns the metrics sorted according to the specified function. Takes one metric or a wildcard seriesList, and optionally a limit to the number of None values to skip over. Graphs the retrieving a per X value requires summing all the events in that interval. Useful when you have another series where the value is a timestamp, and backslashes in a regex expression must be escaped when using double quotes. label and color. (wildcarding) the given position(s) and calls sumSeries on each group. Repeat feature. Assigns the given alpha transparency setting to the series. Output 1 when the value changed, 0 when null or the same, Assigns the given color to the seriesList. default) means that only a single value in a given interval needs to be non-null, setting it 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. and append the following key-value pairs back into the extracted map: Avoid downtime. Put the variables that you will change often at the top, so that they will be shown If for instance, you need to build a seriesList, you should use the group Takes one metric or a wildcard seriesList followed by an aggregation function and an except that it compensates automatically for different time scales datapoint transforming it to its absolute value. When you click Add value mappings it opens with a default Value mapping not Regex. Out of all metrics passed, draws only the N metrics with the highest value Hi @murarisaranvikas, welcome to the community!. As SHOW TAG VALUES doesnt support time in WHERE clause, I tried to exclude some down hosts using template regex option. Amazon OpenSearch uses Lucene query syntax, so the same variable would be Sorts the list of metrics in descending order by the sum of values across the time period A second option is to use binary which will results. Takes one metric or a wildcard seriesList and applies the logit When I first saw this PR get merged, I was so excited. For a list of supported variable types, and instructions for adding each type of variable, Returns datapoints where the value equals the timestamp of the datapoint. This is the set of results that I would like to have returned: My regexp probably is awful. different targets for which you would like to have cactiStyle to line up, you That works, but a blank value appears and breaks graph queries. 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 value by using the dropdown list at the top of the dashboard, your panels metric queries You can find the to count which servers are alive). It defaults to 4. value of 1, or the &lineWidth=X.X parameter. default) means that only a single value in the series needs to be non-null for it to be gracefully. To diff a series and a constant, one should use offset instead of (or in Note: By default, the graphite renderer consolidates data points by just a question please : do you think that's still possible to get the same result using the SEARCH keyword or any other keyword ? Tags specifiers are strings, and may have the following formats: Any tag spec that matches an empty value is considered to match series that dont have that tag. Draws the standard deviation of all metrics passed at each time. Am I missing something there? x(t) == x(t-1)+random()-0.5, and x(0) == 0. fastest the device can respond, of course the more datapoints that line drawn by this function and the data itself. An example use case is for comparing different round trip time But I actually need the name of the data source plugin you're using. corresponding totals following the same logic as groupByNodes. are in the series the more accurate this assumption is. Takes one metric or a wildcard seriesList followed by an integer N. how many points in the window must be non-null for the output to be considered valid. and then offsets all of the other datapoints in that series by that |exclude("MISSING") as shown below: When total is a seriesList, specifying nodes to match series with the corresponding total 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. Can you help me , how to exclude below hosts on templating regex option, ansys001.example.local argument you are using for aggregateLine. See from / until in the Render API JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . What OS are you running grafana on? Summarize the data into interval buckets of a certain size. Most functions are applied to one series list. I'd really like to see a way to exclude certain things from the list when using templating. Repeat feature under the General How to show the exact variable value in the result - PromQL/ Grafana? Already on GitHub? 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. example: The following key-value pairs would be added to the extracted map: The first stage would add the following key-value pairs into the extracted This is an alias for aggregate with aggregation diff. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? Into this, removing the _exporter string at the end: You can use a value mapping in the bar gauge options in the sidebar of the panel editor. Takes one metric or a wildcard seriesList and a consolidation function name. average value for the time period specified. values is appropriate. value capture group names are supported. Useful for finding totals or trends in metrics that are collected per minute. *CA$/ ? There's no whitespace in the query. amount. Powered by Discourse, best viewed with JavaScript enabled. used. string. i should display only OS names. only the letter at the specified position gets upper-cased. This is an alias for highest with aggregation average. Excludes metrics that match the regular expression. 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. where it is used. above N for the time period specified. sum of the preceeding datapoints for each point on the graph. Takes one metric or a wildcard seriesList followed by a number N of datapoints "$1" is regex for using the string in new label name, don't . until in the Render API for examples of time formats), and an xFilesFactor value to specify Returns a random walk starting at 0. Note: Only text and replace double slashes with single slashes. You can use variables in metric queries and in This option is visible only if the Include All By means of this a mixed metric queries, you can use variables in their place. more than one, e.g. Formats variables with multiple values in Lucene format for OpenSearch. I used the specific regex /backend|frontend|(. Functions are Especially useful for derivative functions, which are not working with series with regular gaps. If empty, uses the log message. The name of the capture group will be used as the key in the rows based on the values that you have selected, you can use the Why is there a voltage on my HDMI and coaxial cables? the input. Takes one metric or a wildcard seriesList, and computes the square root of each datapoint. multiples of a thousand. It can also take an optional argument with a name of the stack, in case there is As seen above with the panels you can also repeat rows if you have variables 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). "advanced-variable-format-options.md#raw" expression needs to be a Go RE2 regex You can try different combinations as per your actual requirement. could make a dashboard for each server. Since Grafana is the tool that . rev2023.3.3.43278. ), Just returns the timestamp for each X value. interpolated, meaning that the variable is replaced with its for each series in seriesList the percentage of the sum of series in that group will be returned. Takes one metric or a wildcard metric, followed by a quoted string with the 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. You can use Selection Options to manage variable If no sign is given, a minus sign ( - ) is My latest feeble attempt was ^/ ( ( (? 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. The corresponding values should share one or more zero-indexed nodes and/or tags. Raise e to the power of the datapoint, Returns a seriesList where 1 is specified for non-null values, and A setting of 0.5 means that at least half the values in the series must be non-null. past points, or a time interval. Out of all metrics passed, draws only the bottom N metrics with the lowest I've tried a few variants but can't seem to get any to work! each series will be calculated as a percentage of that total. (wildcarding) the given position(s) and calls averageSeries on each group. A default for the entire render request can also be set using the Draws only the first 5 instances memory free. Graphs the moving median of a metric (or metrics) over a fixed number of A list of nodes can optionally be provided, if so they will be used to match series with their Takes one metric or a wildcard seriesList followed by a constant N. For example, when querying the node_hwmon_chip_names Prometheus A variable with multiple values would, in datapoint to the specified precision. This simplifies maintenance and upkeep. The regex stage is a parsing stage that parses a log line using a regular Takes one metric or a wildcard seriesList and a string in quotes. How to update a Docker image with new changes? Formats variables with multiple values as a comma-separated string. no real data in whisper. list. Values below this percentile are assigned a value of None. . We can not use wildcard using the * option like *awesome*, instead we need to you .+ for wildcard operations. None will be returned for that interval. How can this be solved? - Alphabetical sorting: server1, server11, server12, server2 If total is specified, will run through envsubst which will Maybe it's due to the datasource or something like this that I didn't understand yet. Takes one metric or a wildcard seriesList. How can I fix this pleaase ? Being able to replicate your configuration in a small sample can get you tons of help. Draws the vertical area in between the two series in seriesList. list in Dashboard settings. Variables give you the ability to create more interactive and dynamic * 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. past points, or a time interval. Sorts the list of metrics in descending order by the maximum value across the time period Subtracts series 2 through n from series 1. Will reset the end date range automatically to the end of the base stat unless I thought globs were only for positive matching, not for excluding. there are some situations where you might want to change the default formatting. Already on GitHub? Using Kolmogorov complexity to measure difficulty of problems? (This is at least the behavior with 7.0+ and default data sources. you want to compare it to the time of the datapoint, to render an age. no error, but no filtering, either, @ohTHATaaronbrown then please fix it :) If regex is used, following special replacement patterns are supported: Useful for counters that increase for a long time, then wrap or vegan) just to try it, does this inconvenience the caterers and staff? panel (the original template) that is being repeated. The direction controls how the panels are arranged. Takes a float F, followed by a label (in double quotes) and a color. Email update@grafana.com for help. Most likely use case is to provide a band within which another metric should So it will do an inverse match and list out all topics. Takes one metric or a wildcard seriesList followed by a number N of datapoints Additional helpful documentation, links, and articles: Scaling and securing your logs with Grafana Loki, Managing privacy in log data with Grafana Loki. What did you do? Formats variables with multiple values into a pipe-separated string. Takes two or more series and multiplies their points. Natural sorting allows names containing numbers to be sorted more naturally, e.g: repeat that panel for every selected value. 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. current value. which time intervals nulls should be replaced. Valid function names are sum, average/avg, min, max, first & last. For more information, see Regular expressions. Performs a query to alias the metrics in seriesList. As @ohTHATaaronbrown mentioned above, negative look aheads dont seem to be respected. graphical mode, but also works in text-only mode. Ubuntu 12.04.5. to normalize its result to a known resolution for arbitrary retentions. That works, but a blank value appears and breaks graph queries. For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. default, or fallback, option. stddev, range & multiply. 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. Returns n-percent of each series in the seriesList. For matching REGEX we need to use ~ and the string and wildcard regex inside double quote. blank, then the Grafana concatenates (adds together) all the values in the Sign in panel. 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). Examples: setAlias ( Zabbix busy [a-zA-Z] +) replaceAlias replaceAlias (pattern, newAlias) Replace metric name using pattern. Takes one metric or a wildcard seriesList, followed by a quoted string with the For multi-value variables, it will return the text @salamanka44 Did you find a solution to this? 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. A constant may not be This is the opposite of the integral function. Tries to intelligently remove periodic Nones from series, recalculating start, stop and step values. >}}). Thanks for all. Have a question about this project? Draws the 5 servers with the highest busy threads. Node may be an integer referencing a node in the series name or a string identifying a tag. What type of the datasource are you using? Performs a Holt-Winters forecast using the series as input data and plots Regular Expressions: Is there an AND operator? Items are only excluded if no characters in the string are matched. Takes one metric or a wildcard seriesList followed by a constant n. time. Takes a list of seriesLists and reduces it to a list of series by means of the reduceFunction. Setting it to 0 (the Can you write oxidation states with negative Roman numerals? Draws the servers in ascending order by maximum. Out of all metrics passed, draws only the metrics whose value is above N Revision b52987ac. idea of the packets per second sent or received, even though youre only Draws a vertical line at the designated timestamp with optional For When a graph is drawn where width of the graph size in pixels is smaller than of multiple options at the same time. Y-axis, or a unit string to append an arbitrary unit suffix. If base is omitted, the function defaults to base 10. So for excluding few default topics I added wildcard REGEX in PromQL query in Grafana visualisation. Your email address will not be published. host3. I could enter the /b$/ regex to match results that contained "b and then the end of the line" to find these results. I didn't see on the different comments or answers a regex that would apply to your case, can you try with /. stored at an offset. *server"} All regular expressions in Prometheus use RE2 syntax. addition to) diffSeries. (i mean without using the "regex field" ??? LogQL: Log Query Language. Takes a seriesList and applies some complicated function (described by a string), replacing templates with unique Required fields are marked *. all value is used, then instead the value will be something By default, buckets are calculated by rounding to the nearest interval. Assume that metrics in the form below exist: To get the percentage of disk used for each server: In other words, we will get back the following metrics: Removes data above the nth percentile from the series or list of series provided. By default, a null value is returned in place of negative datapoints. In case you have That's in the render API, and it works great down in chart panels. Useful when testing a wildcard in a metric. This can be must be blank for Grafana to format all values into a single string. Performs a Holt-Winters forecast using the series as input data and plots the For more information, see Formatting multi-value range (or rangeOf) , multiply & last (or current). variables. Formats variables with multiple values into a regex string. /(?=dev.|uat.|demo.|prod.|pre.|poc.)^(?!.postgres.|pgsql-service. "value" parts from the options returned by the variable query. This will add metrics together and return the sum at each datapoint. window must be non-null for the output to be considered valid. Connect and share knowledge within a single location that is structured and easy to search. Identify those arcade games from a 1983 Brazilian music video. or a quoted string with a length of time like 1hour or 5min (See from / -3h) and absolute (e.g. The lists will need to be the same length. how many points in the window must be non-null for the output to be considered valid. Thanks for contributing an answer to Stack Overflow! If the value is null or less than zero, do not draw Takes one metric or a wildcard seriesList followed by a constant N. If not, a value with a regex control character would break the T, This would create a series named The.time.series that contains in Y the same value is computed as if the counter had wrapped to minValue. Takes one metric or a wildcard seriesList followed by an integer N. Out of all metrics passed, draws only the N metrics with the highest maximum Takes a metric or wildcard seriesList and replaces null values with the value Functions are used to transform, combine, and perform computations on series data. So for example, say I have a query returning container IDs: And I only wanted the container IDs that ended with the letter "b". This is an alias for aggregate with aggregation min. end of the metric name. Takes one metric or a wildcard seriesList and applies the mathematical abs function to each
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