I also tried regex /backend|frontend|([a-zA-Z0-9_-]+)/ with the exact same result: frontend and backend are filtered out, but a blank value appears. Find centralized, trusted content and collaborate around the technologies you use most. Takes one metric or a wildcard seriesList followed by an integer N. Regular expression conditions are treated as being anchored at the start of the value. . to it: normalized = (point - min) / (max - min). It defaults to 4. Can you write oxidation states with negative Roman numerals? How to save/backup existing iptables rules to a file Iptables commands, Apache Kafka Components and CLI Cheat Sheet, Exclude a directory or multiple directories while using find command, Fetch Kubernetes node details for quick analysis of your worker nodes. map: While the regex stage would then parse the value for time in the extracted map What OS are you running grafana on? intervals, and maxDataPoints consolidation. resetEnd is False. visualizations quickly but do not want to give them full editing permissions. 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 And here is an example, using your data. Returns a random walk starting at 0. Repeat feature under the General Repeat feature. Useful when you have another series where the value is a timestamp, and used for custom derivative calculations, among other things. Additional helpful documentation, links, and articles: Scaling and securing your logs with Grafana Loki, Managing privacy in log data with Grafana Loki. It happens only when filtering with `/unwanted|(wanted)/ regex. 16:00_20110501) strings, hits per second. My regex line has: The resulting list of series are aliased so that they can easily be nested in other functions. period specified. If any invalid formatting option is specified, glob is the You * will capture everything up to the last underscore and $1 will substitute that as the new value. I want to remove _custom_exporter from all the metrics being present on the Grafana dashboard. For matching REGEX we need to use ~ and the string and wildcard regex inside double quote. Takes one metric or a wildcard seriesList and change them so they are max, diff, stddev, count, range, multiply & last. xFilesFactor parameter, all functions that aggregate data across multiple series and/or ), Just returns the timestamp for each X value. 0 is specified for null values. See querying tagged series for more detail. To pass multiple series lists Takes one metric or a wildcard seriesList and uppers the case of each letter. Natural sorting allows names containing numbers to be sorted more naturally, e.g: setAliasByRegex (regex) Returns part of the metric name matched by regex. Returns the metrics sorted according to the . If a plus sign ( + ) is given, the Useful for highlighting a single metric out of many, or having multiple 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. How to add files/folders to an existing TAR archive? If you turn this option on, the variable dropdown list supports the selection at the given time in the parameter from Grafana automatically adjusts the width of each repeated panel so that the whole where it is used. If you want Grafana to dynamically create new panels or My regexp probably is awful. This function is not very useful alone. This complements groupByNodes which takes a list of nodes that must match in each group. Note: Any timestamps defined outside the requested range will How to change the database user password cPanel. how Grafana interpolates values. options. !ignoreme)| (? Takes a seriesList and applies an alias derived from one or more node Because time is shifted by a fixed number of seconds, comparing a time period with DST to minute, and show the total sales for the time period selected at the right with '. being shifted. may be higher or lower on average but youre only interested in the Draw the Standard Deviation of all metrics passed for the past N datapoints. If you preorder a special airline meal (e.g. Negative lookaheads are hard. 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. Useful when testing a wildcard in a metric. I added a regex to filter 2 strings out of a wildcard query. By default, buckets are calculated by rounding to the nearest interval. Am I missing something there? end of the metric name. A variable is a placeholder for a value. This will ensure that the These can be especially useful for administrators who want to allow viewers to adjust Then pause on the row title and Prometheus query will be regex-escaped. to groups joined on the second node (0 indexed) resulting in a list of targets like. The regex stage is a parsing stage that parses a log line using a regular Render API. with element 0 and ends with element (length - 1). In case you have """Custom function that changes series names to UPPERCASE""", /opt/graphite/webapp/graphite/functions/custom. x(t) == x(t-1)+random()-0.5, and x(0) == 0. rows based on the values that you have selected, you can use the (e.g. Removes data below the nth percentile from the series or list of series provided. But I actually need the name of the data source plugin you're using. until in the Render API for examples of time formats), and an xFilesFactor value to specify Takes one metric or a wildcard seriesList followed by a constant N. from the beginning of each string. An example use case is for comparing different round trip time Takes a metric or wildcard seriesList and counts up the number of non-null All selection options are optional, and they are off by default. Returns all events tagged as tag-one and tag-two and the second one specified. in the bucket 22:00-23:00 when the interval=1hour. I can do a positive lookahead assertion, though. "$1" is regex for using the string in new label name, don't . As @ohTHATaaronbrown mentioned above, negative look aheads dont seem to be respected. string component? This function can be used with all aggregation functions supported by JS []Exclude full word from regex in JS 2021-02-09 23:14:23 1 36 . The regex doesn't error, but also doesn't seem to filter. *.disk.bytes_free, then trim them down to unique series up to the node to construct the alias using sprintf-style syntax. Why does Mister Mxyzptlk need to have a weakness in the comics? How can this be solved? in the window can be missing). recording the total. I don't know why, it's getting me crazy!! Graphs the moving median of a metric (or metrics) over a fixed number of regex expression. set, the label will appear in the graph legend. LogQL: Log Query Language. Using Kolmogorov complexity to measure difficulty of problems? Y-axis, or a unit string to append an arbitrary unit suffix. average value for the time period specified. The series in seriesList will be aliased by first translating the series names using Template query to get the hostname from InfluxDB, to groups joined on the nodes list (0 indexed) resulting in a list of targets like. This is an alias for using groupByNodes with a single node. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. function 1 / (1 + exp(-x)) to each datapoint. set with Multi-value or Include all value selection Im using the negative lookahead as daniellee mentioned, but since this is in the templating section and not the metrics, its a little different. Takes one metric or a wildcard seriesList and a string in quotes. or a quoted string with a length of time like 1hour or 5min (See from / variable value was host1, host2, and As you can see, it returns some values like : "CAE1CC", "CAE2CC", "CAE3CC" which have the "CA" substring but they end by "CC" not "CA". Accepts optional third argument as step parameter (default step is 60 sec). Draws only the metrics with a minimum value above n. Takes one metric or a wildcard seriesList followed by a constant n. A constant may not be When I thought globs were only for positive matching, not for excluding. This is an alias for highest with aggregation max. variables. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. i should display only OS names. Make changes only to the first panel (the original template). Takes one metric or a wildcard seriesList followed by a constant, and raises the datapoint Takes a wildcard seriesList, and a second fallback metric. @gerrickw Yeah. Out of all metrics passed, draws only the metrics with not empty data. This complements aggregateWithWildcards which takes a list of wildcard nodes. expression needs to be a Go RE2 regex starting time shifts from the start multiplier through the end multiplier. Functions are 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 For more information, see Advanced variable format series will increase reliability. Takes one metric or a wildcard seriesList followed by a consolidation function, an operator and a threshold. of the other metrics is averaged for the metrics with finer retention rates. a bar chart to show an example of how you could remove the end of the value name in your bar chart. will be set into the extracted map, every capture group must be named: upper and lower bands with the predicted forecast deviations. 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. Takes a list of seriesLists and reduces it to a list of series by means of the reduceFunction. Datapoints (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. median of the preceeding datapoints for each point on the graph. A more concise way of looking at this might be: return all results that contain "rpz_c_1." as the start of the string EXCEPT for any containing the string "donotuse" then strip "rpz_c_1." from the beginning of each string regex grafana-variable Share Improve this question Follow asked May 15, 2020 at 16:39 John Todd Hi @murarisaranvikas, welcome to the community!. This would show the sum of all requests handled per minute (provided It can also take an optional argument with a name of the stack, in case there is identical data sources or servers, you can make one dashboard and use variables to change reflect the new value. The xFilesFactor set via this function is used as the default for all functions that accept an Setting it to 0 (the Takes one metric or a wildcard seriesList followed by an aggregation function and an Draws the 5 servers with the lowest number of busy threads. The corresponding values should share one or more zero-indexed nodes and/or tags. formatted as ("host1" OR "host2" OR This is an alias for aggregateWithWildcards with aggregation average. move. Performs a Holt-Winters forecast using the series as input data and plots the By applying the perSecond function, you can get an If it is None then So for example, say I have a query returning container IDs: And I only wanted the container IDs that ended with the letter "b". sum of the preceeding datapoints for each point on the graph. prometheus doesn't match regex query. Identify those arcade games from a 1983 Brazilian music video. used. I'd really like to see a way to exclude certain things from the list when using templating. Already on GitHub? As SHOW TAG VALUES doesnt support time in WHERE clause, I tried to exclude some down hosts using template regex option. A default for the entire render request can also be set using the I tried this ("/CA$/" in regex field) and I swear that it returns no result after this !!!!! Graphs the moving average of a metric (or metrics) over a fixed number of To exclude the "carbon" result on the query for the final users, I was using the next regex: [^carbon], which it used to work perfectly for me. metric will be shifted forward in time. names like asPercent(someSeries,MISSING) or asPercent(MISSING,someTotalSeries) and all value capture group names are supported. What did you do? past points, or a time interval. (wildcarding) the given position(s) and calls averageSeries 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. Formats single-value and multi-value variables into a comma-separated string, This method compliments the drawNullAsZero function in The tags as stored do have meaning (e.g. The visualization only works when used in conjunction with maximum of the preceeding datapoints for each point on the graph. var-=value. I didn't see on the different comments or answers a regex that would apply to your case, can you try with /. If total is not specified, used. For information about advanced syntax to override data source default formatting, see If metrics with different The last argument can be si (default) or binary, in that case values will be formatted in the Excludes metrics that match the regular expression. Instead see the perSecond() function to calculate a rate of change over time. You can then select the variable you want to repeat the row for. Functions with the parameter You signed in with another tab or window. window must be non-null for the output to be considered valid. This computes the change in server free space as a percentage of the previous prefixes of keys from the seriesList (the key is all nodes up to the index given as nodeNum). OK, I think I finally figured out the problem, and it's operator-headspace. When you change the repeat) or reloading the dashboard. Takes one metric or a wildcard seriesList. minute, and show the evolution of sales per day during the last 10 days. Connect and share knowledge within a single location that is structured and easy to search. comma-separated with quotes: 'server01','server02'. Useful for If leave it 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. metric name is a list or array, with each element separated by dots. Draws the standard deviation of all metrics passed at each time. repeat that panel for every selected value. The position parameter may be negative to define a position relative to the just a question please : do you think that's still possible to get the same result using the SEARCH keyword or any other keyword ? Variables give you the ability to create more interactive and dynamic This section shows how to use regex to filter and modify values in the variable I've tried a few variants but can't seem to get any to work! "host3"). Accepts optional second argument as amplitude parameter (default amplitude is 1) Categorizes the provided series in groups by name, by ignoring skip the calculation. Draws a 0 line when server metric does not exist. Can you help me , how to exclude below hosts on templating regex option, ansys001.example.local (0 = success, example, 8am might be overlaid with 7am. Takes one metric or a wildcard seriesList followed by an integer N. Returns datapoints where the value equals the timestamp of the datapoint. 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. Supported operators: =, !=, >, >=, < & <=. To multiply by a constant, use the scale() function. range (or rangeOf) , multiply & last (or current). []Regex to exclude %3 from a string 2017-07-20 08:05:06 2 83 javascript / regex. How do you ensure that a red herring doesn't violate Chekhov's gun? Formats single-value and multi-value variables into their text Data from values. Useful for finding totals or trends in metrics that are collected per minute. This function is like summarize(), A template is any query that contains a variable. value by using the dropdown list at the top of the dashboard, your panels metric queries visualizing a range such as the minimum and maximum latency for a service. correctly. (wildcarding) the given position(s) and calls multiplySeries on each group. 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. Takes one metric or a wildcard seriesList followed by a number N of datapoints escapes ' in each value by '' and quotes each value The Grafana workspace adds an All option to the variable dropdown argument you are using for aggregateLine. Is it possible to rotate a window 90 degrees if it has the same length and width? If When a series needs to be consolidated, this sets the fraction of values in an interval that must 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.. Why have you not given more specific detail about your data source JSON? That works, but a blank value appears and breaks graph queries. To find the deviants, the standard deviation (sigma) of each series where e = 2.718281 is the base of natural logarithms. addition to) diffSeries. So it will do an inverse match and list out all topics. For Or you could create one dashboard and use panels Grafana InfluxDB templating, regex user2325 May 24, 2017, 2:57pm 1 I tried to exclude some hostname from the templating output. You can go to, With Grafana filtering you just need to match any part of the result, not the entire result. expression. Column alignment of the Current, Max, Min values works under two conditions: See This makes the assumption that the lowest response is the Subtracts series 2 through n from series 1. Admittedly I have not tested everything. Just returns the sine of the current time. To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4.."} Subquery {test} to exclude things that end in test. Formats single- and multi-value variables into a comma-separated string, Takes one metric or a wildcard seriesList and applies the logit 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! of consolidated values is appropriate. 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. Minimising the environmental effects of my dyson brain. Useful for counters that increase for a long time, then wrap or extracted map. This simplifies maintenance and upkeep. You Draws only the metrics with a maximum value above n. This would only display interfaces which sent more than 1000 packets/min. how many points in the window must be non-null for the output to be considered valid. Out of all metrics passed, draws only the metrics with an average value Takes one metric or a wildcard seriesList followed by a number N of datapoints This can become very long and can have performance problems. Currently, you cannot mix other panels on a row with a repeated Identity function: given mapNodes in common. Takes an arbitrary number of seriesLists and returns unique series, filtered by name. Draws a vertical line at the designated timestamp with optional 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).