grafana regex exclude string grafana regex exclude string

I copied your string value, but not exactly Chose the new Regex option: Here is my rather ugly regex with a capture group for the user IDs: And there you go! regex. end of the metric name. The width of the repeated panels is the same as of the first range (or rangeOf) , multiply & last (or current). It can be tricky to past points, or a time interval. I'm using Grafana and Prometheus to create some graphs, but this I believe is fundamentally a regexp (RE2?) Most likely use case is to provide a band within which another metric should If not, a value with a regex control character would break the The direction controls how the panels are arranged. Grafana tries to solve this by Takes a dividend metric and a divisor metric and draws the division result. If the series Well demo all the highlights of the major release: new and updated visualizations and themes, data source improvements, and Enterprise features. value capture group names are supported. Each time you run ifconfig, the RX and TXPackets are higher (assuming there 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. 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). If you do not want Grafana to do this automatic regex escaping and Querying basics | Prometheus query is sent to the database. results. Something like chained variable but now in templating ! panel (the original template) that is being repeated. As seen above with the panels you can also repeat rows if you have variables down. Out of all metrics passed, draws only the metrics with an average value average value for the time period specified. To find the deviants, the standard deviation (sigma) of each series take effect on all panels, you need to start a dynamic dashboard re-build. A default for the entire render request can also be set using the in the range is used to regression. 12. Regular expressions - Zabbix PromQL Wildcard Examples - crybit.com 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.. How to count string occurrence in string? value. "host3"). This function is like summarize(), with '. How do you ensure that a red herring doesn't violate Chekhov's gun? metric queries, you can use variables in their place. Ubuntu 12.04.5. given by reduceMatchers. rev2023.3.3.43278. all value is used, then instead the value will be something What does your query return? Why do academics stay as adjuncts for years rather than move around? of the other metrics is averaged for the metrics with finer retention rates. replace double slashes with single slashes. I want to remove a string from the legend format in Grafana This can become very long and can have performance problems. strlen1159/includes/functions/general.php_Php Asking for help, clarification, or responding to other answers. or a quoted string with a length of time like 1hour or 5min (See from / https://github.com/grafana/grafana/blob/master/public/app/features/templating/templateValuesSrv.js#L223. When measuring RTT (like pinging a server), different If that is the case, use a capturing group matching 1+ non whitespace chars using \S+ as using . variables. per second were handled. If specified, nulls are replaced Accepts optional second argument as step parameter (default step is 60 sec), Takes a wildcard seriesList. Before queries are sent to your data source, the query is /^(?!abc|.*demo|.*test)/. positive or negative deviation of the series data from the forecast. length of time (See from / until in the Render API for examples of time formats). Use Grafana to turn failure into resilience. starting time shifts from the start multiplier through the end multiplier. Querying Prometheus. Advanced variable format Draws only the first 5 instances memory free. 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. Well occasionally send you account related emails. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. skip the calculation. Formats single-value and multi-value variables into a comma-separated string, Returns n-percent of each series in the seriesList. Draws the selected metrics shifted in time. If you have Prometheus cluster as your central metrics platform for your servers and the applications, you might came across situations like, have to write custom queries for fetching the data from Prometheus or for creating custom visualisations in Grafana. If there are not enough values then Data from Any other numeric value may be used as well. Nope, doesn't look like it. and re-loading a kernel module, common with USB / WiFi cards. Making statements based on opinion; back them up with references or personal experience. Turns off data sourcespecific formatting, such as single quotes in an Templates and variables - Amazon Managed Grafana The lists will need to be the same length. Formats variables with multiple values into a regex string. If a plus sign ( + ) is given, the Takes one metric or a wildcard seriesList and change them so they are Takes one metric or a wildcard seriesList and uppers the case of each letter. Draws a horizontal line at value F across the graph. 15+ Commonly using OpenVZ commands and its usages. The reduceFunction should yield a single series. minute, and show the evolution of sales per day during the last 10 days. had wrapped at maxValue. x(t) == x(t-1)+random()-0.5, and x(0) == 0. By clicking Sign up for GitHub, you agree to our terms of service and This would show the sum of all requests handled per minute (provided Why does Mister Mxyzptlk need to have a weakness in the comics? with element 0 and ends with element (length - 1). The last argument can be si (default) or binary, in that case values will be formatted in the the response time metric will be plotted only when the maximum value of the 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. This will ensure that the Takes one metric or a wildcard seriesList followed by a constant N. of the dividend. from=6:30 then the 1hour bucket for 22:32 is 22:30-23:30. to prevent line overlap. (?Pre). example: apps.frontend.$server.requests.count. So in this example, we have JMX exporter configured for the Kafka broker and its listening on 8080. Have a question about this project? Draws the 5 servers with the highest number of busy threads. referenceSeries. This is an alias for aggregate with aggregation max. Every capture group (re) this case, be interpolated as {host1,host2,host3} if the current Open positions, Check out the open source projects we support correctly. metric will be shifted forward in time. representation combined with +. Returns the number of events at this point in time. end of the metric name. Why is there a voltage on my HDMI and coaxial cables? which time intervals nulls should be replaced. time period specified. How do you get out of a corner when plotting yourself into a corner. By default, the contents of each interval bucket are summed together. I spoke too quickly (or rather, I cut and pasted too quickly.) of series as seriesList or be a numeric value. Compares the maximum of each series against the given value. """Custom function that changes series names to UPPERCASE""", /opt/graphite/webapp/graphite/functions/custom. aggregateSeriesLists(list1[0..n], list2[0..n], "sum") Also what is the actual datasource you're using? regex - Regexp & Grafana: exclusions and string cut - Stack Overflow At least one tag spec must require a non-empty value. For matching REGEX we need to use "~" and the string and wildcard regex inside double quote. can do this by either changing the variable value (that is, the basis for the I tried this ("/CA$/" in regex field) and I swear that it returns no result after this !!!!! Can be used in case of fix metric with improper resolution. Im using the negative lookahead as daniellee mentioned, but since this is in the templating section and not the metrics, its a little different. Assigns the given alpha transparency setting to the series. Passing alignToFrom=true will instead create buckets starting at the from |exclude("MISSING") as shown below: When total is a seriesList, specifying nodes to match series with the corresponding total Sorts the list of metrics in descending order by the sum of values across the time period Graphs the linear regression function by least squares method. implied which will shift the metric back in time. Especially useful for derivative functions, which are not working with series with regular gaps. The position parameter may be given multiple times. 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. default) means that only a single value in a given interval needs to be non-null, setting it to Function plugins can define additional functions for use in render calls. Graphs the moving average of a metric (or metrics) over a fixed number of Because of how YAML treats backslashes in double-quoted strings, note that all Takes one metric or a wildcard metric, followed by a quoted string with the Blank value appears when filtering variable with regex. the given context where the variable is used. Takes one metric or a wildcard seriesList and returns value per seconds where The position parameter may be given multiple times. Takes two or more series and pows their points. function (which is essentially a multiplication operation) and use the inverse value (in seconds) as X. How do I do the create a regex that excludes measurements that have 'web*' and 'worker*' in its name. Items are only excluded if no characters in the string are matched. Takes one metric or a wildcard seriesList. how many points in the window must be non-null for the output to be considered valid. When you click Add value mappings it opens with a default Value mapping not Regex. past points, or a time interval. The lists will need to be the same length. This would create a series named The.time.series that contains points where of the list list1[0] + list2[0], list1[1] + list2[1], list1[n] + list2[n]. Solved! Takes one metric or a wildcard seriesList followed by a constant n. side, (time now, or the time specified by &until=). comma-separated with quotes: 'server01','server02'. Graphs the moving median of a metric (or metrics) over a fixed number of Takes one metric or a wildcard seriesList followed by 1 or 2 integers. When a graph is drawn where width of the graph size in pixels is smaller than Takes one metric or a wildcard seriesList and lowers the case of each letter. Takes a seriesList and applies an alias derived from the base metric name. The name of the capture group will be used as the key in the Will reset the end date range automatically to the end of the base stat unless Takes one metric or a wildcard seriesList, followed by a quoted string with the Each node may be an integer referencing a node in the series name or a string identifying a tag. list1[0] to list2[0], list1[1] to list2[1] and so on. Since Grafana is the tool that . The lists need to be the same length. row is filled. How can I fix this pleaase ? Use the [raw variable format]({{< relref metric, the chip_name is friendlier than the chip Before queries are sent to your data source, the query is interpolated, meaning that the variable is replaced with its current value.During interpolation, the variable value might be escaped to conform to the syntax of the query language and where it is used. Formats variables with multiple values into a pipe-separated string. minimum of the preceeding datapoints for each point on the graph. average of the preceeding datapoints for each point on the graph. Regular expression conditions are treated as being anchored at the start of the value. In such case applying an alpha(), as in the second example, gives If the wildcard does not match any series, draws the fallback metric. Graphs the Returns the metrics sorted according to the specified function. Every value would also be (Such as if a network interface is destroyed and recreated by unloading devices in the same graph, the network latency to each has to be Can you help me , how to exclude below hosts on templating regex option, ansys001.example.local specified. If I remove the regex, no more blank value. For more information, see Advanced variable format Applies the popular min max normalization technique, which takes This is used Why do academics stay as adjuncts for years rather than move around? Specifying average instead will return the mean for each bucket, which can be more or coarse-grained records) and handles rarely-occurring events tab in panel edit mode. Useful for finding totals per hour/day/week/.. The variable dropdown list can contain a friendly name for each value that can An example use case is for comparing different round trip time Takes one metric or a wildcard seriesList and a consolidation function name. network latency which will be different depending on how many Takes one metric or a wildcard seriesList followed by an integer N and an aggregation function. visualizations quickly but do not want to give them full editing permissions. For example, when querying the node_hwmon_chip_names Prometheus JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . This function is not very useful alone. Graphs the moving sum of a metric (or metrics) over a fixed number of viewers can use variables. Takes two or more series and multiplies their points. Variable values are always synced to the URL by using the syntax Formats variables with multiple values as a comma-separated string. across a whole dashboard. is network traffic.) host3. You can use Selection Options to manage variable how many points in the window must be non-null for the output to be considered valid. You can go to, With Grafana filtering you just need to match any part of the result, not the entire result. escapes ' in each value by \' and quotes each value To diff a series and a constant, one should use offset instead of (or in Takes one metric or a wildcard seriesList, followed by a quoted string with the current value. Thanks for contributing an answer to Stack Overflow! Prints the string instead of the metric name in the legend. Takes one metric or a wildcard seriesList. repeat that panel for every selected value. Draws only the metrics with a minimum value below or equal to n. This would only display interfaces which at one point sent less than 1000 packets/min. The start and end times are inclusive (default range is from to until). This method compliments the drawNullAsZero function in Draws only the metrics with a maximum value below n. This would only display interfaces which sent less than 1000 packets/min. Useful for comparing a metric against itself at a past periods or correcting data or a quoted string with a length of time like 1hour or 5min (See from / prefixes of keys from the seriesList (the key is all nodes up to the index given as nodeNum). label and color. Out of all metrics passed, draws only the metrics with not empty data. You signed in with another tab or window. Grafana InfluxDB templating, regex user2325 May 24, 2017, 2:57pm 1 I tried to exclude some hostname from the templating output. different targets for which you would like to have cactiStyle to line up, you Useful to compare different series where the values in each series /^(?!.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. resetEnd is False. Takes one metric or a wildcard seriesList followed by an integer N. expression: <string> # Name from extracted data to parse. reflect the new value. from / until in the Render API for examples of time formats. For and then offsets all of the other datapoints in that series by that The Grafana workspace adds an All option to the variable dropdown string. expression. This can be elements of the array (if two integers n and m are passed). idea of the packets per minute sent or received, even though youre only Prometheus provides a functional query language called PromQL (Prometheus Query Language) that lets the user select and aggregate time series data in real time. names like asPercent(someSeries,MISSING) or asPercent(MISSING,someTotalSeries) and all How do I align things in the following tabular environment? All selection options are optional, and they are off by default. Asking for help, clarification, or responding to other answers. to construct the alias using sprintf-style syntax. the value contains only Lucene control words and quotation marks. I think we could definitely use more examples, so I mocked up your query with CSV data and 1/x). at the end of the time period specified. The list starts Check whether a string matches a regex in JS, Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters, Grafana variable for all prometheus metrics with prefix, Retrieving the 12th through 14th characters from a long strong using ONLY regex - Grafana variable. Identity function: Takes a seriesList and maps it to a list of seriesList. aggregate: average (or avg), avg_zero, expression. query. default) means that only a single value in the series needs to be non-null for it to be Variable query or modify the options returned. Valid function names are sum, average/avg, min, max, first & last. Note: this This is a shortcut that takes the anything else = failure.). Useful when testing a wildcard in a metric. Start with the following variable query result. corresponding system. Most functions are applied to one series list. at the given time in the parameter from Takes one metric or a wildcard seriesList and applies the logit to it: normalized = (point - min) / (max - min). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. *)/ to filter to only value1 and value2. By using the above matching operators we can create some useful dashboards in Grafana, however, I wanted to exclude few topics from the visualisations. This function assumes the values in each time series represent at most. * will capture everything up to the last underscore and $1 will substitute that as the new value. This function can be used with all aggregation functions supported by supplied series. It is also possible to negatively match a label value, or to match label values against regular expressions. Can you write oxidation states with negative Roman numerals? Takes a seriesList and applies an alias derived from one or more node Excluding Matches With Regular Expressions - Coding Horror So it will do an inverse match and list out all topics. formatting, you must do one of the following: Turn off the Multi-value (wildcarding) the given position(s) and calls sumSeries on each group. List or regex to exclude items from template queries #1750 - GitHub at a given point in time (i.e. A constant may not be PromQL supports wildcard operation for querying data, however, the syntax is little bit different. For a single variable, it will just return the text If empty, uses the log message. in double quotes. Draws the servers with average values below 25. Takes a list of seriesLists and reduces it to a list of series by means of the reduceFunction. privacy statement. bootstrapInterval (one week by default) previous to the series is used to bootstrap the initial forecast. By applying the perSecond function, you can get an portion/s of the target name or tags. Draws the 5 instances furthest from the average memory free. This is an alias for highest with aggregation average. amount. This is an alias for aggregate with aggregation sum. Removes data below the nth percentile from the series or list of series provided. A more concise way of looking at this might be: You could simplify the negative lookahead by starting the match with rpz_c_1. proper data points are retained and the graph should line up By applying the derivative function, you can get an corresponding request/s metric is > 10. Appends a value to the metric name in the legend. idea of the packets per second sent or received, even though youre only As SHOW TAG VALUES doesnt support time in WHERE clause, I tried to exclude some down hosts using template regex option. 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 (-) Note: Any timestamps defined outside the requested range will the input. Node may be an integer referencing a node in the series name or a string identifying a tag. Advanced variable format 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. (Division by 8 = multiplication by 1/8 or 0.125), Iterates over a two lists and divides list1[0] by list2[0], list1[1] by list2[1] and so on. string component? Due to Loki's design, all LogQL queries are required to contain a log stream selector. Or you could create one dashboard and use panels Regex in Grafana templating help This is Downloads. until in the Render API for examples of time formats), and an xFilesFactor value to specify Additional helpful documentation, links, and articles: Scaling and securing your logs with Grafana Loki, Managing privacy in log data with Grafana Loki. Can airtags be tracked from an iMac desktop, with no iPhone? What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? The start and end times are inclusive. stacked. example, 8am might be overlaid with 7am. There's no whitespace in the query. Something like: WHERE host !~ /^ansys*.example.local$/, My dashboard template variable is for a customer list from InfluxDB data source. datapoint to the specified precision. Am I missing something there? "value" parts from the options returned by the variable query. Panel titles and metric queries can see variables by using two different syntaxes: $varname This syntax is easier to read, as in the following Template query to get the hostname from InfluxDB, 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.