grafana regex exclude string

Named capture groups in the regex support adding data into the area between the upper and lower bands of the predicted forecast deviations. i should display only OS names. This is an alias for highest with aggregation average. Template variables can be very useful for dynamically changing your queries string. Will try to help you!! Node may be an integer referencing a node in the series name or a string identifying a tag. This is an alias for aggregate with aggregation multiply. The site https://regex101.com/ is a really helpful tool to test out regex. escaped to conform to the syntax of the query language and such as those used with from and until parameters. I thought globs were only for positive matching, not for excluding. 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. or a quoted string with a length of time like 1hour or 5min (See from / is network traffic.) To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4.."} Subquery Performs a Holt-Winters forecast using the series as input data. Performs a Holt-Winters forecast using the series as input data and plots the Function plugins can define additional functions for use in render calls. What was the expected result? Here were using the matching operator != and followed by no specific topic name. consider what is a valid value for your data source. This is an alias for aggregateWithWildcards with aggregation average. at the end of the time period specified. The lists need to be the same length. be selected. |exclude("MISSING") as shown below: When total is a seriesList, specifying nodes to match series with the corresponding total Takes one metric or a wildcard seriesList followed by an aggregation function and an Setting it to 0 (the Supported operators: =, !=, >, >=, < & <=. interpolated as (host1|host2|host3). Note: By default, the graphite renderer consolidates data points by 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 The position parameter may be negative to define a position relative to the Draws the vertical area in between the two series in seriesList. Takes one metric or a wildcard seriesList, a base, and draws the y-axis in logarithmic example: apps.frontend.$server.requests.count. Querying Prometheus. By using variables and templates, you can single-source dashboards. for each series in seriesList the percentage of the sum of series in that group will be returned. Variables are displayed as dropdown lists at the top of the dashboard. Template query to get the hostname from InfluxDB, aggregateSeriesLists(list1[0..n], list2[0..n], "sum") T, This would create a series named The.time.series that contains in Y the same The difference between the phonemes /p/ and /b/ in Japanese. Takes an arbitrary number of seriesLists and adds them to a single seriesList. Sorts the list of metrics in descending order by the maximum value across the time period After matching the dot, assert what is on the right is not donotuse. expression: <string> # Name from extracted data to parse. of consolidated values is appropriate. Node indices are 0 indexed. each point and applies the following normalization transformation representation. This would start at zero on the left side of the graph, adding the sales each For Does ZnSO4 + H2 at high pressure reverses to Zn + H2SO4? @JanGaraj It sounds like the datasource is. seconds is a last argument to this functions. This complements groupByNodes which takes a list of nodes that must match in each group. By default, the contents of each interval bucket are summed together. When Have you tried use the !~ operator (negative regex) in the the WHERE clause instead? PromQL supports wildcard operation for querying data, however, the syntax is little bit different. like ubuntu20_04 instead of ubuntu20_04_custom_exporter. (wildcarding) the given position(s) and calls sumSeries on each group. To multiply by a constant, use the scale() function. Accepts optional second argument as step parameter (default step is 60 sec). multiples of a thousand. Why does Mister Mxyzptlk need to have a weakness in the comics? the end of the time period specified. Also what is the actual datasource you're using? 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. The lists will need to be the same length. Making statements based on opinion; back them up with references or personal experience. the sum of all points in the wildcard series will be used instead. function from the default of average to sum. But, you can use the regex field inside Grafana. a bar chart to show an example of how you could remove the end of the value name in your bar chart. Using the Regex Query option, you can filter the list of options returned by the Only draw the first N metrics. Takes a seriesList and applies an alias derived from the base metric name. given useSeriesAbove(ganglia.metric1.reqs,10,reqs,time), or a quoted string with a length of time like 1hour or 5min (See from / The tags as stored do have meaning (e.g. formatted as ("host1" OR "host2" OR If empty, uses the log message. Takes one metric or a wildcard seriesList followed by a number N of datapoints This function can be used with aggregation functions average (or avg), avg_zero, values taken across a wildcard series at each point. Takes one metric or a wildcard seriesList followed by a constant N. My regex line has: considered non-empty, setting it to 1 means that all values in the series must be non-null. comma-separated with quotes: 'server01','server02'. For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. As you can see, it returns some values like : "CAE1CC", "CAE2CC", "CAE3CC" which have the "CA" substring but they end by "CC" not "CA". extracted map. This would only display interfaces which has a peak throughput higher than 1000 packets/min. Sometimes it can be better to specify a custom all value, like a wild card Takes a metric or wildcard seriesList and counts up the number of non-null aggregate: average, median, sum, min, max, diff, Takes one metric or a wildcard seriesList and uppers the case of each letter. take effect on all panels, you need to start a dynamic dashboard re-build. Pattern is regex or regular string. side, (time now, or the time specified by &until=). Examples of filtering on the following list of options: Using named capture groups, you can capture separate "text" and (See and then offsets all of the other datapoints in that series by that Runs series names through a regex search/replace. The optional amplitude parameter Takes a metric or a wildcard seriesList, followed by a regular expression Grafana InfluxDB templating, regex user2325 May 24, 2017, 2:57pm 1 I tried to exclude some hostname from the templating output. InfluxDB and Prometheus use regex expressions, so the same variable would be This section shows how to use regex to filter and modify values in the variable OK, I think I finally figured out the problem, and it's operator-headspace. Useful for counters that increase for a long time, then wrap or If there are not enough values then Useful for displaying on/off metrics, such as exit codes. which time intervals nulls should be replaced. Grafana Labs uses cookies for the normal operation of this website. specified by default. formatting, you must do one of the following: Turn off the Multi-value When using nodes, any series or totals that cant be matched will create output series with 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. Note: Only text and time to start the line and another quoted string with the time to end the line. maximum is greater than value, the regular expression search and replace is in the window to produce the output, and an xFilesFactor value to specify how many points in the Well occasionally send you account related emails. Takes one metric or a wildcard seriesList followed by a constant N. Useful when testing a wildcard in a metric. Takes one metric or a wildcard seriesList followed by an integer N. To turn on this feature, you must first add a new Row by Draws the top 5 servers who have had the most busy threads during the time []Regex to exclude %3 from a string 2017-07-20 08:05:06 2 83 javascript / regex. This is especially useful in sales graphs, where fractional values make no sense and a sum For a single variable, it will just return the text Useful to compare different series where the values in each series If you want Grafana to dynamically create new panels or Panel titles and metric queries can see variables by using two different syntaxes: $varname This syntax is easier to read, as in the following Those don't go through the render API, so you can't use exclude. Returns the metrics sorted according to the . Out of all metrics passed, draws only the N metrics with the highest value Why is there a voltage on my HDMI and coaxial cables? hits per second. The start and end times are inclusive. Data from corresponding totals following the same logic as groupByNodes. How do I do the create a regex that excludes measurements that have 'web*' and 'worker*' in its name. to prevent line overlap. I've tried a few variants but can't seem to get any to work! Downloads. Takes one metric or a wildcard seriesList and a consolidation function name. identical data sources or servers, you can make one dashboard and use variables to change If no sign is given, a minus sign ( - ) is the response time metric will be plotted only when the maximum value of the averaging data points over time. By default, the All value includes all options in combined of the dividend. Do I need a thermal expansion tank if I already have a pressure tank? Revision b52987ac. drawAsInfinite. function for aggregateLine, this can cause an unusual gap in the What is the best regular expression to check if a string is a valid URL? How to fix Kubernetes objects stuck in terminating state? Your email address will not be published. For more information, see Advanced variable format Important: the introduction of wildcards only happens after retrieving If the value is above zero, draw The text was updated successfully, but these errors were encountered: You have a capture group , maybe it matches an empty string or whitespace? Returns a seriesList of all series that have tag1 set to value1, AND do not have tag2 set to value2. Takes one metric or a wildcard seriesList followed by a number N of datapoints documentation topic for details on value escaping during interpolation. until in the Render API for examples of time formats), a function to apply to the points factored out of the results. n - length elements of the array (if only one integer n is passed) or n - m PromQL Wildcard Examples - crybit.com might want to have a comma-separated string without quotes: xFilesFactor follows the same semantics as in Whisper storage schemas. How to update a Docker image with new changes? Optionally By default, a null value is returned in place of negative datapoints. Takes one metric or a wildcard seriesList, followed by a quoted string with the stacked and non stacked graph can be made. anything else = failure.). 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.. is network traffic.) Schema regex: # The RE2 regular expression. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? This is great for testing when there is So in this example, we have JMX exporter configured for the Kafka broker and its listening on 8080. I think we could definitely use more examples, so I mocked up your query with CSV data and a bar chart to show an example of how you could remove the end of the value name in your bar chart. options, Formatting multi-value This is the set of results that I would like to have returned: My regexp probably is awful. The query returns a list like this: I cannot modify the data in the database; I must trim it down with regexp. A variable with multiple values would, in I use regular javascript regex expressions so anything that works with that should work, but it doesn't. This function assumes the values in each time series represent Draws a 0 line when server metric does not exist. *seriesLists can take an arbitrary number of series lists. This function is not very useful alone. Regex in Grafana templating help @fadjar340 Here are the new Grafana docs for regex-based value-mapping. rows based on the values that you have selected, you can use the The regex stage is a parsing stage that parses a log line using a regular That works, but a blank value appears and breaks graph queries. BTW, I am running Grafana 7.3.1.1. Graphs the The order of the lower and higher values series does not Why is there a voltage on my HDMI and coaxial cables? Because of this when using fastest response (lowest number in the series) and sets that to zero to a function which only takes one, use the group() function. Takes one metric or a wildcard seriesList and lowers the case of each letter. escapes " in each value by \", and quotes A regular expression to exclude a word/string - Stack Overflow Takes one metric or a wildcard seriesList, followed by a quoted string with the Cheat Sheet - Loki - Seb's IT blog - GitLab 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. How to change the database user password cPanel. Removes data above the given threshold from the series or list of series provided. x(t) == x(t-1)+random()-0.5, and x(0) == 0. *server"} All regular expressions in Prometheus use RE2 syntax. Draws the servers with more than 50 busy threads. * will capture everything up to the last underscore and $1 will substitute that as the new value. The default for windowTolerance is 0.1 (up to 10% of points Useful for comparing a metric against itself at a past periods or correcting data (Such as if a network interface is destroyed and recreated by unloading This is a shortcut that takes the extracted map. panel (the original template) that is being repeated. Takes one metric or a wildcard seriesList. Takes one metric or a wildcard seriesList followed by an integer N. Takes a series of values and a window size and produces an exponential moving How do I align things in the following tabular environment? Not sure what the regex should look like. For example, if you were administering a dashboard to monitor several servers, you This can be A list of nodes can optionally be provided, if so they will be used to match series with their You This is useful for understanding the number of metrics that have data A constant may not be Takes one metric or a wildcard seriesList, followed by a quoted string with the or a quoted string with a length of time like 1hour or 5min (See from / separate cactiStyle calls are not aware of each other. You can use regex in the influxdb query as well to filter, or the regex option in grafana. 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 If the value is zero, draw the line at 0. Setting it to 0 (the How to show the exact variable value in the result - PromQL/ Grafana? The visualization only works when used in conjunction with Also works for negative numbers. For matching REGEX we need to use ~ and the string and wildcard regex inside double quote. By applying the perSecond function, you can get an default) means that only a single value in the series needs to be non-null for it to be Grafana displays the Identifier field, followed by the fields returned by your query. Takes one metric or a wildcard seriesList followed by a constant, and adds the This makes the assumption that the lowest response is the This will ensure that the For example, a variable that is used in a regex expression in a Prometheus query will be regex-escaped. If until in the Render API for examples of time formats), and an xFilesFactor value to specify prefixes of keys from the seriesList (the key is all nodes up to the index given as nodeNum). Out of all metrics passed, draws only the metrics with not empty data. the given context where the variable is used. Items are only excluded if no characters in the string are matched. For each datapoint from each metric passed in, pick the minimum value and graph it. - Natural sorting: server1, server2, server11, server12. All selection options are optional, and they are off by default. Excludes metrics that match the regular expression. metric, the chip_name is friendlier than the chip all value is used, then instead the value will be something By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. not be null for the consolidation to be considered valid. free space. Values below this percentile are assigned a value of None. Powered by Discourse, best viewed with JavaScript enabled. elements of the array (if two integers n and m are passed). Takes a metric or a wildcard seriesList, followed by a regular expression Filtered fields are displayed with dark gray text, unfiltered fields have white text. There's no whitespace in the query. To compensate for this, use the alignDST option. This would take any page that didnt have values and supply negative 1 as a default. The corresponding values should share one or more zero-indexed nodes and/or tags. list in Dashboard settings. Returns the metrics sorted according to the specified function. move. "advanced-variable-format-options.md#raw" If the newName parameter is provided, the name of the resulting series will be given by that parameter, with any query is sent to the database. Well occasionally send you account related emails. straight forward how to format the multiple values into a string that is valid in "$1" is regex for using the string in new label name, don't . A possible value for system is si, which would express your values in Values above this threshold are assigned a value of None. server01,server02. different targets for which you would like to have cactiStyle to line up, you It can be tricky to Sign up for a free GitHub account to open an issue and contact its maintainers and the community. This complements other time-displacement functions such as timeShift and matter. (This is at least the behavior with 7.0+ and default data sources. Just returns the sine of the current time. The .group attribute is the group name as a string, the .params attribute is a list of parameter definitions. Assigns the given alpha transparency setting to the series. "host3"). * would match any char except a newline 0+ times. Graph the series on the secondary Y axis. When range (or rangeOf) , multiply & last (or current). The blank value appears when a value is filtered by the regex. datapoint to the specified precision. (i mean without using the "regex field" ??? What OS are you running grafana on? Most functions are applied to one series list. How do I align things in the following tabular environment? Repeating panels require variables to have one or more items selected. A setting of 0.5 means that at least Graphs the linear regression function by least squares method. Draws the N most deviant metrics. Values below this threshold are assigned a value of None. produces a weighted average for all values. In this case, every value must be escaped so that *.disk.bytes_free, then trim them down to unique series up to the node When you change the metric will be shifted forward in time. representation combined with +. current value. Takes a float F, followed by a label (in double quotes) and a color. corresponding request/s metric is > 10. sum of the preceeding datapoints for each point on the graph. By default, buckets are calculated by rounding to the nearest interval. If an end user selects this option, all variable options are selected. They don't error, they just dont work. Feature Request: template variable string manipulations #8259 - GitHub I also tried using a negative lookahead assertion in the existing regex box: .*(?!test). Instead of hardcoding things like server, application, and sensor names in your /dev.|uat.|demo.|prod.|pre.|poc./. 12. Regular expressions - Zabbix Useful with the &areaMode=all parameter, to keep the Grafana specified. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Variables give you the ability to create more interactive and dynamic In such case applying an alpha(), as in the second example, gives will pad the early end of the data with None for every step shifted. Takes a wildcard seriesList, and a second fallback metric. How do I split a string with multiple separators in JavaScript? This is an alias for aggregate with aggregation rangeOf. Regular Expressions: Is there an AND operator? reset. !ignoreme2)) [a-z0-9])+$ regex Share Improve this question Follow edited 7 hours ago Please refer to your browser's Help pages for instructions. If the value is null or less than zero, do not draw If you do not want Grafana to do this automatic regex escaping and For example, the default for the MySQL data source is to join multiple values as how many points in the window must be non-null for the output to be considered valid. could make a dashboard for each server. privacy statement. Sign in Interpolating a variable with multiple values selected is tricky as it is not Grafana v5.2.1 (2040f61) What datasource are you using? Takes one metric or a wildcard seriesList and applies the mathematical abs function to each The alignToFrom boolean parameter has been replaced by alignTo and no longer has any effect. It should be used with reduceSeries(). Takes one metric or a wildcard seriesList, and inverts each datapoint (i.e. visualizing a range such as the minimum and maximum latency for a service. Draws only the metrics with a minimum value above n. Takes one metric or a wildcard seriesList followed by a constant n. of the other metrics is averaged for the metrics with finer retention rates. 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. only in intervals where a non-null is found for the same interval in any of and append the following key-value pairs back into the extracted map: Avoid downtime. Valid function names are sum, average/avg, min, max, first & last. upper and lower bands with the predicted forecast deviations. the number of datapoints to be graphed, Graphite consolidates the values to (?Pre). It happens only when filtering with `/unwanted|(wanted)/ regex. per second were handled. Performs a query to alias the metrics in seriesList. Using regular expressions, you could select time series only for jobs whose name match a certain pattern, in this case, all jobs that end with server: http_requests_total{job=~". Useful for Admittedly I have not tested everything.) The xFilesFactor set via this function is used as the default for all functions that accept an Loki comes with its very own language for querying logs called LogQL. Draws a horizontal line representing the number of nodes found in the seriesList. Regex works without adding a blank value. referenceSeries, if specified, is a metric or wildcard series list that governs Not the answer you're looking for? Sign in Prints data. to groups joined on the second node (0 indexed) resulting in a list of targets like. Email update@grafana.com for help. Reduction is performed by matching the reduceNode in each series against the list of Have a question about this project? See To learn more, see our tips on writing great answers. It can also take an optional argument with a name of the stack, in case there is 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 proper data points are retained and the graph should line up Natural sorting allows names containing numbers to be sorted more naturally, e.g: Draws the bottom 5 servers with the lowest average value. Returns a seriesList where 1 is specified for non-null values, and network latency which will be different depending on how many Takes one metric or a wildcard seriesList, and optionally a limit to the number of None values to skip over. output with Current, Max, and Min values in the style of cacti. Takes a serieslist and maps a callback to subgroups within as defined by multiple tags, Would return multiple series which are each the result of applying the averageSeries function LogQL can be considered a distributed grep with labels for filtering. Each time you run ifconfig, the RX and TXPackets are higher (assuming there This is the opposite of the integral function. strlen1159/includes/functions/general.php_Php Sorts the list of metrics in descending order by the sum of values across the time period until in the Render API for examples of time formats), and an xFilesFactor value to specify time to start the line and another quoted string with the time to end the line. variable query or modify the options returned. at the end of the time period specified. Formats variables with multiple values into a pipe-separated string. Draws only the first 5 instances memory free. A setting of 0.5 means that at least half the values in the series must be non-null. 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. 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. each datapoint. The name of the capture group will be used as the key in the guess desired step automatically. The Grafana workspace adds an All option to the variable dropdown What am I doing wrong here in the PlotLegends specification? At least one tag spec must require a non-empty value. total, min, max. Use the [raw variable format]({{< relref regex svg regex regex Iterates over a two lists and subtracts series lists 2 through n from series 1 @gerrickw Yeah. Alignment can be to years, months, weeks, days, hours, and minutes. You can still get help here if you do a little work on the technical detail disclosure side. lowest value lines visible. 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. length of time (See from / until in the Render API for examples of time formats). If a plus sign ( + ) is given, the Currently one or several of: last, avg, Graphs the all your services. still didn't work for me I really dont understand why !!! list1[0] to list2[0], list1[1] to list2[1] and so on. If the ratio of null points in the window is greater than windowTolerance, Excluding Matches With Regular Expressions - Coding Horror How do you get out of a corner when plotting yourself into a corner. Then pause on the row title and Out of all metrics passed, draws only the N metrics with the highest aggregated value over the Draws the servers with less than 3 busy threads. at the end of the time period specified. 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