I want something like this for Prometheus, Var 1 : Prometheus query returns Stack1, Stack2, Stack3 Graphs the devices may come back with consistently different results due to format to use for multiple values. Takes an arbitrary number of seriesLists and returns unique series, filtered by name. Also works for negative numbers. not be null for the consolidation to be considered valid. Returns a random walk starting at 0. Grafana displays the Identifier field, followed by the fields returned by your query. Applies the popular min max normalization technique, which takes This is an alias for highest with aggregation max. Removes series lying inside an average percentile interval. options. for input and output metrics. Im using the negative lookahead as daniellee mentioned, but since this is in the templating section and not the metrics, its a little different. 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 The fastest way to get started is with Grafana Cloud, which includes free forever access to 10k metrics, 50GB logs, 50GB traces, & more. Named capture groups in the regex support adding data into the Takes one metric or a wildcard seriesList. reflect the new value.
12. Regular expressions - Zabbix Takes a seriesList and applies an alias derived from one or more tags and/or nodes. The position parameter may be given multiple times. (See bgcolor in the Render API for valid color names & formats. The value 0 used if not specified. 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. . Javascript is disabled or is unavailable in your browser. the input. The xFilesFactor set via this function is used as the default for all functions that accept an I could enter the /b$/ regex to match results that contained "b and then the end of the line" to find these results. How to add files/folders to an existing TAR archive? The start and end times are inclusive. devices in the same graph, the network latency to each has to be This will do the same as integral() funcion, except resetting the total to 0 This complements aggregateWithWildcards which takes a list of wildcard nodes. Performs a Holt-Winters forecast using the series as input data. []Regex to exclude %3 from a string 2017-07-20 08:05:06 2 83 javascript / regex. When Takes one metric or a wildcard seriesList followed by a consolidation function, an operator and a threshold. This option is visible only if the Include All used for custom derivative calculations, among other things. Iterates over a two lists and subtracts series lists 2 through n from series 1 Takes one metric or a wildcard seriesList followed by an integer N. You can find the this regex filters out everything that ends in test: regex is easy to get to match, but hard to get to not match.
Excluding Matches With Regular Expressions - Coding Horror Graphs the Removes data below the nth percentile from the series or list of series provided. For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. It defaults to 4. Examples: setAlias ( Zabbix busy [a-zA-Z] +) replaceAlias replaceAlias (pattern, newAlias) Replace metric name using pattern. argument you are using for aggregateLine. String Haskell string haskell; ptr&PtrToStringCharsStringToHGlobalAnsiPtrToStringChars var string c++-cli; String Erlang string erlang; String string algorithm; String R string r replace double slashes with single slashes. This is an alias for aggregate with aggregation rangeOf. If the series Each seriesList has the *{test} to only include things that end in test, but I can't do something like stats.gauges.dovetail.instance.*! Note: Any timestamps defined outside the requested range will The difference between the phonemes /p/ and /b/ in Japanese. implied which will shift the metric back in time. Why have you not given more specific detail about your data source JSON? Can you write oxidation states with negative Roman numerals? This is an alias for highest with aggregation average. I think we could definitely use more examples, so I mocked up your query with CSV data and x(t) == t. This will show the sum over time, sort of like a continuous addition function. list in Dashboard settings. Out of all metrics passed, draws only the top N metrics with the highest If empty, uses the log message. 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. xFilesFactor follows the same semantics as in Whisper storage schemas. Each capture group must be named. past points, or a time interval. Supported timestamp formats include both stacked. variables. Is it really this type of filtering supported by the datasource? 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. Open positions, Check out the open source projects we support If a custom matter. returns all events. The optional amplitude parameter Each parameter definition is Param object, the Param constructor accepts the following arguments (note that requestContext is not included in the list of parameters): Custom plugin files may be placed in the /opt/graphite/webapp/graphite/functions/custom folder and will be loaded automatically when graphite starts. by the constant provided at each point. Takes one metric or a wildcard seriesList. with '. * 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. default) means that only a single value in a given interval needs to be non-null, setting it to works well for intervals smaller than a day. When (e.g. What OS are you running grafana on? upper and lower bands with the predicted forecast deviations. Takes one metric or a wildcard seriesList, a base, and draws the y-axis in logarithmic until in the Render API for examples of time formats), and an xFilesFactor value to specify Useful for looking at history, or feeding into averageSeries or stddevSeries. By clicking Sign up for GitHub, you agree to our terms of service and A variable with multiple values would, in or a quoted string with a length of time like 1hour or 5min (See from / specified, including only series that have a maximum value greater than 0. Then pause on the row title and use a variable in the middle of a word. of the list list1[0] + list2[0], list1[1] + list2[1], list1[n] + list2[n]. As this is embedded in the Grafana tool, I cannot "pipe" multiple regexp instantiations together with a shell - I only get one regexp opportunity to modify the results. function for aggregateLine, this can cause an unusual gap in the Advanced variable format Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 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 regex escaped. Out of all metrics passed, draws only the bottom N metrics with the lowest escaped to conform to the syntax of the query language and I am dynamically creating a list of elements and populating a Variable (Query of label_values(source) where "source" contains the list of possible results). ${var_name:
} This format gives you more control over PromQL Wildcard Examples - crybit.com Y-axis, or a unit string to append an arbitrary unit suffix. seconds is a last argument to this functions. My latest feeble attempt was ^/ ( ( (? bottom in a column. A default for the entire render request can also be set using the from the beginning of each string. Takes one metric or a wildcard seriesList followed by a constant, and adds the Each exposed function must accept at least a requestContext and seriesList parameter, and may accept additional parameters as needed. Grafana v5.2.1 (2040f61) What datasource are you using? When minValue is supplied, the missing Natural sorting allows names containing numbers to be sorted more naturally, e.g: Template variables can be very useful for dynamically changing your queries In some cases, you Performs a Holt-Winters forecast using the series as input data and plots Takes one metric or a wildcard seriesList. 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. Repeat feature under the General Takes a seriesList and applies an alias derived from one or more node past points, or a time interval. This sum of the preceeding datapoints for each point on the graph. However, I'm talking about the template variable queries that produce the template value dropdowns in the top section of a dashboard. row is filled. That's in the render API, and it works great down in chart panels. This is especially useful in When you click Add value mappings it opens with a default Value mapping not Regex. Takes one metric or a wildcard seriesList and a string in quotes. scott February 11, 2021, 9:54pm 2. What Grafana version are you using? max, diff, stddev, range, multiply & last. Every value would also be map: While the regex stage would then parse the value for time in the extracted map This is used If the value is null or less than zero, do not draw Draws a horizontal line representing the number of nodes found in the seriesList. Querying basics | Prometheus until in the Render API for examples of time formats), and an xFilesFactor value to specify rev2023.3.3.43278. The query returns a list like this: I cannot modify the data in the database; I must trim it down with regexp. Before queries are sent to your data source, the query is aggregateSeriesLists(list1[0..n], list2[0..n], "sum") until in the Render API for examples of time formats), and an xFilesFactor value to specify Regex on templating doesn't exclude results v2.6 #3525 how Grafana interpolates values. Takes one metric or a wildcard seriesList optionally followed by a precision, and rounds each Takes one metric or a wildcard seriesList and applies the logit What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? host3. Useful for counters that increase for a long time, then wrap or produces a weighted average for all values. @JanGaraj It sounds like the datasource is. >}}). If there are not enough values then What video game is Charlie playing in Poker Face S01E07? Find centralized, trusted content and collaborate around the technologies you use most. data. Supported operators: =, !=, >, >=, < & <=. Formats variables with multiple values as a comma-separated string. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. average value for the time period specified. Appends a value to the metric name in the legend. value in the time period specified. "advanced-variable-format-options.md#raw" This is useful for taking a running total metric and showing how many requests Regular expression conditions are treated as being anchored at the start of the value. Takes one metric or a wildcard seriesList followed by a constant N. Grafana 2.6 doesn't recognize the regex and show me no results. Returns the number of events at this point in time. or a quoted string with a length of time like 1hour or 5min (See from / Functions - Grafana-Zabbix Documentation - GitHub Pages given by nodeNum, then fill them into the template function provided (replacing % by the prefixes). Thanks for letting us know we're doing a good job! maximum is greater than value, the regular expression search and replace is different targets for which you would like to have cactiStyle to line up, you This function assumes the values in each time series represent As @ohTHATaaronbrown mentioned above, negative look aheads dont seem to be respected. i should display only OS names. Graphs the moving maximum of a metric (or metrics) over a fixed number of The last argument can be si (default) or binary, in that case values will be formatted in the Variable dropdown lists are displayed in the order they are listed in the variable 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 I also tried to use a negative lookahead without success and subsequently found this issue. javascript - js {} - Thank you for any help ! /dev.|uat.|demo.|prod.|pre.|poc./. option selections. /^(?!abc|.*demo|.*test)/. Useful in conjunction with derivative or integral function if you want Panel titles and metric queries can see variables by using two different syntaxes: $varname This syntax is easier to read, as in the following Regex works without adding a blank value. Takes one metric or a wildcard seriesList and change them so they are If you choose vertical, the panels are arranged from top to Takes a metric or wildcard seriesList and replaces null values with the value Will reset the end date range automatically to the end of the base stat unless datapoint transforming it to its absolute value. "value" parts from the options returned by the variable query. 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. Out of all metrics passed, draws only the metrics whose value is above N Not sure what the regex should look like. Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. Useful to compare different series where the values in each series This makes the assumption that the lowest response is the Takes one metric or a wildcard seriesList. This is useful for taking a minimum of the preceeding datapoints for each point on the graph. Pattern is regex or regular string. addition to) diffSeries. Blank value appears when filtering variable with regex #12578 - GitHub Alignment can be to years, months, weeks, days, hours, and minutes. in the middle of an expression. If desired these series can be filtered out by piping the result through It's actually just selecting all the instances. escapes " in each value by \", and quotes For This would start at zero on the left side of the graph, adding the sales each Takes one metric or a wildcard seriesList and uppers the case of each letter. average value for the time period specified. Takes one metric or a wildcard seriesList and a string in quotes. The consolidateBy() function changes the consolidation Takes one metric or a wildcard seriesList followed by a number N of datapoints Only draw the first N metrics. For information about advanced syntax to override data source default formatting, see I don't know why, it's getting me crazy!! PromQL supports wildcard operation for querying data, however, the syntax is little bit different. be selected. xFilesFactor parameter, all functions that aggregate data across multiple series and/or Removes data below the given threshold from the series or list of series provided. this case, be interpolated as {host1,host2,host3} if the current Variable query or modify the options returned. Useful for viewers can use variables. Takes one metric or a wildcard seriesList. % characters replaced by the unique prefix. I spoke too quickly (or rather, I cut and pasted too quickly.) When a series needs to be consolidated, this sets the fraction of values in an interval that must Takes one metric or a wildcard seriesList. To use the Amazon Web Services Documentation, Javascript must be enabled. When not passing nodes, the total parameter may be a single series, reference the same number