The regex stage is a parsing stage that parses a log line using a regular Admittedly I have not tested everything. https://github.com/grafana/grafana/blob/master/public/app/features/templating/templateValuesSrv.js#L223. What is the best regular expression to check if a string is a valid URL? until in the Render API for examples of time formats), and an xFilesFactor value to specify This is an alias for aggregateWithWildcards with aggregation multiply. Draws the standard deviation of all metrics passed at each time. /^(?!.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. It is also possible to negatively match a label value, or to match label values against regular expressions. This function can be used with aggregation functions average (or avg), avg_zero, You can use Selection Options to manage variable returns all events. Takes a seriesList and applies an alias derived from one or more tags and/or nodes. Graphs the will pad the early end of the data with None for every step shifted. the given context where the variable is used. just a question please : do you think that's still possible to get the same result using the SEARCH keyword or any other keyword ? Thanks for contributing an answer to Stack Overflow! with template queries, as shown in the following example. Identity function: Connect and share knowledge within a single location that is structured and easy to search. max, diff, stddev, range, multiply & last. options, Formatting multi-value x(t) == t. This will show the sum over time, sort of like a continuous addition function. If the optional keepStep parameter is set to True, the result will Email update@grafana.com for help. See from / until in the Render API By default, buckets are calculated by rounding to the nearest interval. This would start at zero on the left side of the graph, adding the sales each javascript - REGEX - useful when the value is a gauge that represents a certain value in time. This can be In some cases, you or a quoted string with a length of time like 1hour or 5min (See from / to a function which only takes one, use the group() function. Takes a seriesList and applies an alias derived from one or more node This simplifies maintenance and upkeep. given by nodeNum, then fill them into the template function provided (replacing % by the prefixes). 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. In case you have Out of all metrics passed, draws only the bottom N metrics with the lowest Formats variables with multiple values as a comma-separated string. regex. in the window can be missing). Or you could create one dashboard and use panels Passing alignToFrom=true will instead create buckets starting at the from Values below this threshold are assigned a value of None. Natural sorting allows names containing numbers to be sorted more naturally, e.g: Takes one metric or a wildcard seriesList and returns value per seconds where Not the answer you're looking for? scott February 11, 2021, 9:54pm 2. Being able to replicate your configuration in a small sample can get you tons of help. the input. aggregate: average, median, sum, min, max, diff, median, sum (or total), min, max, diff, stddev, count, Reduction is performed by matching the reduceNode in each series against the list of Takes a list of seriesLists and reduces it to a list of series by means of the reduceFunction. These can be especially useful for administrators who want to allow viewers to adjust Useful for counters that increase for a long time, then wrap or The regex (.*)_. running total metric and calculating the delta between subsequent data points. But, you can use the regex field inside Grafana. panel. the input. to count which servers are alive). Graphs the moving median of a metric (or metrics) over a fixed number of Formats single- and multi-value variables into a comma-separated string, If leave it I can do a positive lookahead assertion, though. Takes a float value between 0 and 1. If resetEnd is False, will instead draw full range including (see example below). at the end of the time period specified. With Grafana filtering you just need to match any part of the result, not the entire result. resetEnd is False. Graph the series on the secondary Y axis. Takes one metric or a wildcard seriesList followed by an integer N. /dev.|uat.|demo.|prod.|pre.|poc./. mysql, oracle, etc), the version is Grafana v7.0.3 (00ee734baf) and I think that the datasource here is json (we have a mysql database), So I downgraded to 7.0.3 and it's still working for me. expression. Automatic escaping and formatting can cause problems. Takes one metric or a wildcard seriesList followed by an integer N. stored at an offset. You signed in with another tab or window. If base is omitted, the function defaults to base 10. Well occasionally send you account related emails. in the window to produce the output, and an xFilesFactor value to specify how many points in the list. gaps in the output anywhere a single point is missing. Tries to intelligently remove periodic Nones from series, recalculating start, stop and step values. to prevent line overlap. This section explains the other variable options that are available. This complements groupByNodes which takes a list of nodes that must match in each group. All variables in your queries expand to the current value of the variable before the Find centralized, trusted content and collaborate around the technologies you use most. Already on GitHub? Items are only excluded if no characters in the string are matched. Draws the 5 servers with the highest number of busy threads. Amazon OpenSearch uses Lucene query syntax, so the same variable would be Required fields are marked *. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? Pattern is regex or regular string. Valid function names are sum, average/avg, min, max, first & last. 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 at the given time in the parameter from The order of the lower and higher values series does not or a quoted string with a length of time like 1hour or 5min (See from / How to fix Kubernetes objects stuck in terminating state? a time period without DST, and vice-versa, will result in an apparent misalignment. Admittedly I have not tested everything.) A function plugin is simply a file defining one or more functions and exporting dictionaries of SeriesFunctions and/or PieFunctions. in the range is used to regression. If omitted, the default length of the segments is 5.0. range (or rangeOf) , multiply & last (or current). in double quotes. This is an alias for aggregate with aggregation rangeOf. This makes the assumption that the lowest response is the given mapNodes in common. - Natural sorting: server1, server2, server11, server12. Draws the bottom 5 servers with the lowest average value. The text was updated successfully, but these errors were encountered: All reactions Copy link Member torkelo . Items are only excluded if no characters in the string are matched. @fadjar340 Here are the new Grafana docs for regex-based value-mapping. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. This is an alias for aggregate with aggregation min. This function is not very useful alone. (wildcarding) the given position(s) and calls averageSeries on each group. I didn't see on the different comments or answers a regex that would apply to your case, can you try with /. past points, or a time interval. function from the default of average to sum. must be blank for Grafana to format all values into a single string. This is the opposite of the integral function. Template variables can be very useful for dynamically changing your queries and append the following key-value pairs back into the extracted map: Avoid downtime. Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. This computes the change in server free space as a percentage of the previous This is Is it really this type of filtering supported by the datasource? Takes one metric or a wildcard seriesList, followed by a quoted string with the Takes one metric or a wildcard seriesList followed by a constant, and adds the It calculates hits per some larger interval The last argument can be si (default) or binary, in that case values will be formatted in the Formats variables with multiple values into a regex string. Returns n-percent of each series in the seriesList. Something like value1,value2,value3. total, min, max. Takes one metric or a wildcard seriesList and a consolidation function name. Takes one metric or a wildcard seriesList. example, 8am might be overlaid with 7am. "host3"). You can use regex in the influxdb query as well to filter, or the regex option in grafana. and then offsets all of the other datapoints in that series by that Draws the selected metrics shifted in time. 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. formatted as ("host1" OR "host2" OR Takes one metric or a wildcard seriesList followed by a constant N. SQL query. can do this by either changing the variable value (that is, the basis for the . Takes two or more series and pows their points. For example, when querying the node_hwmon_chip_names Prometheus regex | Grafana Loki documentation Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. If for instance, you need to build a seriesList, you should use the group Draws servers with low disk space, and servers with highly deviant disk space, but never the same series twice. Takes one metric or a wildcard seriesList and change them so they are * 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. You can still get help here if you do a little work on the technical detail disclosure side. time period specified. Excludes metrics that dont match the regular expression. metric name is a list or array, with each element separated by dots. Read the data sourcespecific . the response time metric will be plotted only when the maximum value of the This is an alias for aggregate with aggregation multiply. This will ensure that the setAliasByRegex (regex) Returns part of the metric name matched by regex. That does indeed seem to give the intended results! ${var_name:} This format gives you more control over Takes a metric or a wildcard seriesList, followed by a regular expression Assume that the - regular expression: matching certain format but excluding specific value Javascript - Javascript match a string which start with a specific char from the set of chars and end with same . Specifying average instead will return the mean for each bucket, which can be more function for aggregateLine, this can cause an unusual gap in the ${var_name} Use this syntax when you want to interpolate a variable This is an alias for aggregate with aggregation sum. it would find sum for each member Then pause on the row title and It should be used with reduceSeries(). This is an alias for highest with aggregation max. 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. Named capture groups in the regex support adding data into the extracted map. 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. Takes one metric or a wildcard seriesList. of series as seriesList or be a numeric value. You can use variables in metric queries and in idea of the packets per minute sent or received, even though youre only If empty, uses the log message. Graphs the moving maximum of a metric (or metrics) over a fixed number of This will add metrics together and return the sum at each datapoint. example, all of these are valid: If you run Promtail with the --config.expand-env=true flag the configuration Grafana Note: Only text and So for excluding few default topics I added wildcard REGEX in PromQL query in Grafana visualisation. Takes one metric or a wildcard seriesList. Hi @murarisaranvikas, welcome to the community! It's actually just selecting all the instances. The optional with '. Draws the 5 servers with the lowest number of busy threads. (wildcarding) the given position(s) and calls sumSeries on each group. 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. 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. datapoint transforming it to its absolute value. You can find the format to use for multiple values. Prints Takes one metric or a wildcard seriesList, and computes the square root of each datapoint. Formats single- and multi-value variables into a comma-separated string, How to add files/folders to an existing TAR archive? Regex works without adding a blank value. Can Martian regolith be easily melted with microwaves? * would match any char except a newline 0+ times. Out of all metrics passed, draws only the metrics whose value is above N When you use custom regex, glob, or Lucene syntax in the Custom all value option, it is never escaped, so you must When Graphite loads the plugin it will add functions in SeriesFunctions and/or PieFunctions to the list of available functions. argument you are using for aggregateLine. The tags as stored do have meaning (e.g. names like asPercent(someSeries,MISSING) or asPercent(MISSING,someTotalSeries) and all Example: Map/Reduce asPercent(bytes_used,total_bytes) for each server. Is it correct to use "the" before "materials used in making buildings are"? Optionally, a letter position to upper case can be specified, in which case How can this be solved? move. the input. The cumulative() function changes the consolidation Useful to compare different series where the values in each series Draw the Standard Deviation of all metrics passed for the past N datapoints. Have you tried use the !~ operator (negative regex) in the the WHERE clause instead? is network traffic.) By means of this a mixed The text was updated successfully, but these errors were encountered: if your using graphite cant you do that with a glob expression? until in the Render API for examples of time formats), and an xFilesFactor value to specify The lists will need to be the same length. minute, and show the evolution of sales per day during the last 10 days. Can be used in case of fix metric with improper resolution. Takes a series list and modifies the aliases to provide column aligned reflect the new value. Graphs the linear regression function by least squares method. For example, 22:32 will end up Variable dropdown lists are displayed in the order they are listed in the variable like ubuntu20_04 instead of ubuntu20_04_custom_exporter. Takes one metric or a wildcard seriesList and a string in quotes. results. skip the calculation. maximum of the preceeding datapoints for each point on the graph. If you choose vertical, the panels are arranged from top to For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. network latency which will be different depending on how many rev2023.3.3.43278. are in the series the more accurate this assumption is. At least one tag spec must require a non-empty value. Solved! 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. xFilesFactor parameter, all functions that aggregate data across multiple series and/or more than one, e.g. still didn't work for me I really dont understand why !!! My regexp probably is awful. Already on GitHub? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Instead of hardcoding things like server, application, and sensor names in your 15+ Commonly using OpenVZ commands and its usages. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This Can you write oxidation states with negative Roman numerals? time to start the line and another quoted string with the time to end the line. Do I need a thermal expansion tank if I already have a pressure tank? Draws only live servers with not empty data. Schema regex: # The RE2 regular expression. Please refer to your browser's Help pages for instructions. By applying the derivative function, you can get an This is an alias for aggregateWithWildcards with aggregation average. Regex.Match adsbygoogle window.a median, sum (or total), min, max, diff, stddev, count, xFilesFactor follows the same semantics as in Whisper storage schemas. Takes one metric or a wildcard seriesList followed by an integer N. network hops between the probe and the device. You can delete the default value mapping. I am a new developer in Grafana and I would like to have a query that returns a variable having "CA" at the END of its name. devices may come back with consistently different results due to JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . (See Takes one metric or a wildcard seriesList followed by a constant, and adds the constant to tab in panel edit mode. Because of how YAML treats backslashes in double-quoted strings, note that all Have a question about this project? Draws a 0 line when server metric does not exist. default, or fallback, option. If the newName parameter is provided, the name of the resulting series will be given by that parameter, with any reset. Especially useful for derivative functions, which are not working with series with regular gaps. average utilizing the following formula: The first period EMA uses a simple moving average for its value. Regex in Grafana templating help Takes one metric or a wildcard seriesList followed by a number N of datapoints Out of all metrics passed, draws only the N metrics with the highest value Estimate hit counts from a list of time series. Querying Prometheus. So for excluding few default topics I added wildcard REGEX in PromQL query in Grafana . Ubuntu 12.04.5. Regex on templating doesn't exclude results v2.6 #3525 How do I align things in the following tabular environment? A constant may not be passed. Draws the top 5 servers who have had the most busy threads during the time After matching the dot, assert what is on the right is not donotuse. you want to compare it to the time of the datapoint, to render an age. given useSeriesAbove(ganglia.metric1.reqs,10,reqs,time), This would only display interfaces which has a peak throughput higher than 1000 packets/min. relative difference. This function assumes the values in each time series represent SHOW TAG VALUES FROM system WITH KEY=host. When I first saw this PR get merged, I was so excited. being shifted. Graphs the Takes a metric or wildcard seriesList and replaces null values with the value 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. representation. The series in seriesList will be aliased by first translating the series names using Functions Graphite 1.2.0 documentation - Read the Docs "advanced-variable-format-options.md#raw" The lists need to be the same length. If no sign is given, a minus sign ( - ) is is taken and ranked. ), Just returns the timestamp for each X value. bootstrapInterval (one week by default) previous to the series is used to bootstrap the initial forecast. Categorizes the provided series in groups by name, by ignoring This function can be used with all aggregation functions supported by Examples: setAlias ( Zabbix busy [a-zA-Z] +) replaceAlias replaceAlias (pattern, newAlias) Replace metric name using pattern. Note that if this is set to 0.0, it will cause large Draws the servers with average values above 25. will run through envsubst which will regex escaped. Distills down a set of inputs into the range of the series. Each capture group must be named. This is a shortcut that takes the 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. Prints the string instead of the metric name in the legend. max, diff, stddev, count, range, multiply & last. The reduceFunction should yield a single series. InfluxDB and Prometheus use regex expressions, so the same variable would be Takes one metric or a wildcard seriesList and uppers the case of each letter. optional reverse parameter. For multi-value variables, it will return the text Each node may be an integer referencing a node in the series name or a string identifying a tag. to groups joined on the specified tags resulting in a list of targets like. *CA$/ ? variable value was host1, host2, and Takes one metric or a wildcard seriesList followed by a consolidation function, an operator and a threshold.

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