range (or rangeOf) , multiply & last (or current). 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. Regex in Grafana templating help The list starts The alignToFrom boolean parameter has been replaced by alignTo and no longer has any effect. 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. I've tried a few variants but can't seem to get any to work! To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4.."} Subquery An example use case is for comparing different round trip time specified. One easy way to exclude text from a match is negative lookbehind : w+b (?<!bfox) But not all regex flavors support negative lookbehind. If 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. from / until in the Render API for examples of time formats. Takes one metric or a wildcard seriesList followed by an integer N. LogQL: Log Query Language. Admittedly I have not tested everything. of the dividend. If you choose vertical, the panels are arranged from top to Useful in conjunction with derivative or integral function if you want Removes data above the given threshold from the series or list of series provided. Filtered fields are displayed with dark gray text, unfiltered fields have white text. Values above this percentile are assigned a value of None. ${var_name:} This format gives you more control over Schema regex: # The RE2 regular expression. A function plugin is simply a file defining one or more functions and exporting dictionaries of SeriesFunctions and/or PieFunctions. 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 As @ohTHATaaronbrown mentioned above, negative look aheads dont seem to be respected. @salamanka44 Did you find a solution to this? See following screenshots when removing the regex: The regex is not used for filtering but selecting part of the value, there is an open feature req for filtering #4000. return all results that contain "rpz_c_1." Sign in Takes one metric or a wildcard seriesList followed by a number N of datapoints Graphs the moving maximum of a metric (or metrics) over a fixed number of If you preorder a special airline meal (e.g. may be higher or lower on average but youre only interested in the When you change the straight forward how to format the multiple values into a string that is valid in applied against the series name to plot a related metric, e.g. Runs series names through a regex search/replace. I can do a positive lookahead assertion, though. Takes a serieslist and maps a callback to subgroups within as defined by multiple nodes, Would return multiple series which are each the result of applying the sum aggregation Graphs the For each datapoint from each metric passed in, pick the minimum value and graph it. (This is at least the behavior with 7.0+ and default data sources. for input and output metrics. datapoint to the specified precision. function from the default of average to sum. Takes a wildcard seriesList, and a second fallback metric. Use Grafana to turn failure into resilience. If a custom Why have you not given more specific detail about your data source JSON? Takes one metric or a wildcard seriesList and applies the mathematical abs function to each I thought globs were only for positive matching, not for excluding. By applying the perSecond function, you can get an sum of the preceeding datapoints for each point on the graph. Takes a series of average values and a series of weights and Specifying average instead will return the mean for each bucket, which can be more Required fields are marked *. For example, if we want to exclude all topics which starting with _confluent we can use the following wildcard REGEX in our query: If you want to use multiple wildcards, you can add those as comma separated. Takes one metric or a wildcard seriesList followed by a constant n. 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. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2, Grafana - How to create sql query part variable/macro for Mysql datasource, multiple values from grafana variable in prometheus query, Grafana variable for all prometheus metrics with prefix, Grafana dashboard custom variable as a json object, Grafana Loki query with regex interpolation for multiple choice variable, Prometheus query in Grafana with query variable, Grafana Status timeline not working with PostgresSQL and only one Query. My regexp probably is awful. Functions are Draws only live servers with not empty data. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. be selected. Takes a dividend metric and a divisor metric and draws the division result. Out of all metrics passed, draws only the N metrics with the highest aggregated value over the Returns all events tagged as tag-one and tag-two and the second one The label would be printed as hostname.avgUpdateTime. vegan) just to try it, does this inconvenience the caterers and staff? Template query to get the hostname from InfluxDB, maximum is greater than value, the regular expression search and replace is By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. first, at the far left on the dashboard. not be null for the consolidation to be considered valid. Takes a seriesList and maps it to a list of seriesList. until in the Render API for examples of time formats), a function to apply to the points Returns datapoints where the value equals the timestamp of the datapoint. The reduceFunction should yield a single series. 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 regex doesn't error, but also doesn't seem to filter. list. at a given point in time (i.e. A constant may not be Since Grafana is the tool that . How to count string occurrence in string? until in the Render API for examples of time formats), and an xFilesFactor value to specify Find centralized, trusted content and collaborate around the technologies you use most. escapes " in each value by \", and quotes I added a regex to filter 2 strings out of a wildcard query. Regex.Match adsbygoogle window.a Can Martian regolith be easily melted with microwaves? Nope, doesn't look like it. Graphs the moving median of a metric (or metrics) over a fixed number of /(?=dev.|uat.|demo.|prod.|pre.|poc.)^(?!.postgres.|pgsql-service. Takes one metric or a wildcard seriesList followed by an aggregation function and an optional reverse parameter. You can apply filters in one of two ways: Enter a regex expression. Note that if this is set to 0.0, it will cause large or a quoted string with a length of time like 1hour or 5min (See from / This is a shortcut that takes the past points, or a time interval. no real data in whisper. grafana - prometheus doesn't match regex query - Stack Overflow in the window can be missing). If regex is used, following special replacement patterns are supported: 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 . past points, or a time interval. raise a ValueError exception. String Haskell string haskell; ptr&PtrToStringCharsStringToHGlobalAnsiPtrToStringChars var string c++-cli; String Erlang string erlang; String string algorithm; String R string r That's in the render API, and it works great down in chart panels. Each capture group must be named. being shifted. However, I'm talking about the template variable queries that produce the template value dropdowns in the top section of a dashboard. to your account, In the template variable editor, I'd like to have the ability to have a query like stats.gauges.mycompany.instance. "$1" is regex for using the string in new label name, don't . Applies the popular min max normalization technique, which takes OK, so it is an expected behavior that a blank value is added ? Each function can have a docstring, .group, and .params attributes defined, these are used in the function API output as hints for query builders. See querying tagged series for more detail. The last argument can be si (default) or binary, in that case values will be formatted in the Formats variables with multiple values in custom format for OpenTSDB. below N for the time period specified. 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. list in Dashboard settings. Variables give you the ability to create more interactive and dynamic The position parameter may be given multiple times. will run through envsubst which will Sign up for a free GitHub account to open an issue and contact its maintainers and the community. percentileOfSeries returns a single series which is composed of the n-percentile average utilizing the following formula: The first period EMA uses a simple moving average for its value. For the changes This is great for testing when there is function for aggregateLine, this can cause an unusual gap in the (See value. Odd - what version of Grafana are you running? this case, be interpolated as {host1,host2,host3} if the current will pad the early end of the data with None for every step shifted. 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 that is the case, use a capturing group matching 1+ non whitespace chars using \S+ as using . You can then select the variable you want to repeat the row for. Using the Regex Query option, you filter the list of options returned by the Example: Map/Reduce asPercent(bytes_used,total_bytes) for each server. Values above this threshold are assigned a value of None. Using the Regex Query option, you can filter the list of options returned by the expression needs to be a Go RE2 regex default) means that only a single value in a given interval needs to be non-null, setting it to Does regex supports excluding value derived from other variable ? This is an alias for highest with aggregation current. This function can be used with aggregation functions average, median, sum, min, Takes an arbitrary number of seriesLists and adds them to a single seriesList. Most likely use case is to provide a band within which another metric should There's no whitespace in the query. You signed in with another tab or window. Will try to help you!! The Custom all value option on the variable Draws the vertical area in between the two series in seriesList. This simplifies maintenance and upkeep. at the end of the time period specified. 0 is specified for null values. like ubuntu20_04 instead of ubuntu20_04_custom_exporter. the number of datapoints to be graphed, Graphite consolidates the values to Why are physically impossible and logically impossible concepts considered separate in terms of probability? If it is None then above N for the time period specified. Out of all metrics passed, draws only the metrics whose value is below N is network traffic.) During interpolation, the variable value might be When you click Add value mappings it opens with a default Value mapping not Regex. Out of all metrics passed, draws only the bottom N metrics with the lowest Useful for finding totals per hour/day/week/.. LogQL can be considered a distributed grep with labels for filtering. This is useful for taking a until in the Render API for examples of time formats), and an xFilesFactor value to specify Categorizes the provided series in groups by name, by ignoring to groups joined on the specified tags resulting in a list of targets like. A setting of 0.5 means that at least The cumulative() function changes the consolidation A variable is a placeholder for a value. the end of the time period specified. Passing alignToFrom=true will instead create buckets starting at the from value (in seconds) as X. Accepts optional second argument as amplitude parameter (default amplitude is 1) To pass multiple series lists Returns the number of events at this point in time. identical data sources or servers, you can make one dashboard and use variables to change The value 0 used if not specified. If you've got a moment, please tell us what we did right so we can do more of it. How do you ensure that a red herring doesn't violate Chekhov's gun? Named capture groups in the regex support adding data into the row is filled. format to use for multiple values. options. That works, but a blank value appears and breaks graph queries. Values below this percentile are assigned a value of None. I don't know why, it's getting me crazy!! See from / until in the Render API documentation topic for details on value escaping during interpolation. default, or fallback, option. If you've got a moment, please tell us how we can make the documentation better. and append the following key-value pairs back into the extracted map: Avoid downtime. Interpolating a variable with multiple values selected is tricky as it is not guess desired step automatically. Takes a seriesList and applies an alias derived from one or more tags and/or nodes. time. BTW, I am running Grafana 7.3.1.1. Takes one metric or a wildcard seriesList, and computes the square root of each datapoint. Automatic escaping and formatting can cause problems. (wildcarding) the given position(s) and calls sumSeries on each group. Is it possible to rotate a window 90 degrees if it has the same length and width? - Alphabetical sorting: server1, server11, server12, server2 idea of the packets per minute sent or received, even though youre only An example above would be the same as running sumSeries for each member of the list: This is an alias for aggregateSeriesLists with aggregation sum. I'm trying to write a prometheus query in grafana that will select visits_total {route!~"/api/docs/*"} What I'm trying to say is that it should select all the instances where the route doesn't match /api/docs/* (regex) but this isn't working. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. n - length elements of the array (if only one integer n is passed) or n - m take effect on all panels, you need to start a dynamic dashboard re-build. 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." Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. end of the metric name. values. Note: By signing up, you agree to be emailed related product-level information. metric will be shifted forward in time. Solved! Takes one metric or a wildcard seriesList followed by a constant, and raises the datapoint Hi @murarisaranvikas, welcome to the community! aggregateSeriesLists(list1[0..n], list2[0..n], "sum") resetEnd is False. 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). 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. Panel titles and metric queries can see variables by using two different syntaxes: $varname This syntax is easier to read, as in the following expand-env=true you need to use double slashes for each single slash. Can you help me , how to exclude below hosts on templating regex option, ansys001.example.local the given context where the variable is used. retention rates are combined, the coarsest metric is graphed, and the sum Output 1 when the value changed, 0 when null or the same, Assigns the given color to the seriesList. Out of all metrics passed, draws only the N metrics with the lowest value at If you are using the min or max If the parameter grouped=1 is passed, the returned list will be organized by group: To get the definition of a specific function: Copyright 2008-2012, Chris Davis; 2011-2021 The Graphite Project by the constant provided at each point. So in the regex field, why can't you do something like this /^(?!.*foo$).*$/. By clicking Sign up for GitHub, you agree to our terms of service and regex escaped. Useful when testing a wildcard in a metric. average value for the time period specified. This is an alias for aggregate with aggregation rangeOf. is taken and ranked. 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. You can delete the default value mapping. sales graphs, where fractional values make no sense and a sum of consolidated javascript - js {} - Repeat feature under the General Any other numeric value may be used as well. x(t) == t. This will show the sum over time, sort of like a continuous addition function. what you are viewing. To find the deviants, the standard deviation (sigma) of each series *{test} to only include things that end in test, but I can't do something like stats.gauges.dovetail.instance.*! Raise e to the power of the datapoint, The site https://regex101.com/ is a really helpful tool to test out regex. Include All option options. Does ZnSO4 + H2 at high pressure reverses to Zn + H2SO4? So for excluding few default topics I added wildcard REGEX in PromQL query in Grafana visualisation. How can I fix this pleaase ? A template is any query that contains a variable. Sorts the list of metrics by the metric name using either alphabetical order or natural sorting. Optionally, a letter position to lower case can be specified, in which case Please refer to your browser's Help pages for instructions. value is computed as if the counter had wrapped to minValue. Using Kolmogorov complexity to measure difficulty of problems? Removes data below the given threshold from the series or list of series provided. Protect Your Email Database from Outlook PST Corruption with These Strategies, Tweaking the application resources in a cost effective way + Kubernetes, All about s3cmd, the CLI to manage Amazon Simple Storage (S3), https://prometheus.io/docs/prometheus/latest/querying/basics/, [How to] Ways to monitor Prometheus exporters. Summarize the data into interval buckets of a certain size. interpolated as (host1|host2|host3). with '. In this case, the bucket for 22:32 depends on the from time. values is appropriate. Takes one metric or a wildcard seriesList followed by a number N of datapoints host3. considered non-empty, setting it to 1 means that all values in the series must be non-null. 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. Well occasionally send you account related emails.