... My suggestion would be to enable multi select on the variables and then let the whole row repeat based on variable A and each graph repeat based on the variable B. Quite often you want to use one variable of Grafana as input in query to derive next variable value set. 1 comment Closed ... (like what grafana does now towards what data source returns), I can use the processed variable in my graph. regex= /(. Other wise i think i am left forcing the user to select the SN on the details dashboard. Both p2 and AID are identifiers. I have created a Grafana graph panel that uses two variables: host and ifAlias. These are the values that will be available for us as … Is there code that would sum up balance by set i.e. The text was updated successfully, but these errors were encountered: Excel Formula Training. query= label_values(rsh_node_time{job=~"$job"}, hostname), but, Now, do do another query to mysql , I do need only “node1”, new variable entry: I want to create a value (string) for a new variable based on another variable containing a specific word. Formulas are the key to getting things done in Excel. If Var1 contains "apples" then var2="fruit" Sample dataset Var1 Var 2 apples Fruit cats NA green apples Fruit Thanks! PHP Preg_match The first example uses the preg_match function to perform a simple pattern match for the word guru in a given URL. Otherwise you'll need to add quotes etc. Dan I have a similar situation in which am trying to use one variable output to another but seems not working ,Am using InfluxDB, This is the variable com from_name = Grafana Alert. variable= host ... You have a handful of problems based on the code you have listed. 4. In that query itself you can use the [[databases]] variable to run a query that would return the desired set of values for [[columns]]. I have a panel that needs to display a subset of data from another panel, based on the value of a Client variable. Define a new Grafana variable To create a new variable, go to your Grafana dashboard settings, navigate to the 'Variable' option in the side-menu, and then click the 'Add variable' button. “device - sn”. I am looking to set a variable without user interaction based on another variable. But i did continue to research, and wanted to share the solution i had , in case it could help others. Re: Setting a Variable based on another Why can't you just write this straight into the variable rather than do it in the script? Currently, in the custom.ini i have # The http port to use http_port = 9082 how do i assign an environment variable to http_port ? I ended up doing this with a chain variable and using the regex of /\s\S*\s(.*)/gm. Grafana variable based on another variable. E.g. You can specify the condition (such as GENDER=1 or RACE=1 AND REGION=3) and then click on the Continue Button. as per Sunny's reply It would be best if i could do it from the command line … Now, let's add this to our query editor. SHOW TAG VALUES WITH KEY=NodeName WHERE NodeName =~ /AJB/ --> $cust, SELECT last(“SiteStatus”) as STATE FROM “Bucket” WHERE “agent_host” = ‘NMS1’ AND ( SiteStatus = 2 OR SiteStatus = 3) AND time >= now() -1m GROUP BY NodeName. Define the variable. Another alternative is to refer to the label's name as well as the string's contents. For example i have a var that is used for a panel to repeat, and that further pushes to a detail panel via a link with the var being passed. I am using MySQL as my data source in Grafana and I am executing SELECT Queries to fetch data Here is the query that I am executing, SELECT * FROM [[databases]]. Then when the loop repeats and the value of testVar gets set to "DEF", I want to create a variable called DEF and be able to assign it a value as well, and repeat the process as needed. In this query, I use the variable color to distinguish between different types of buses based on their route. On the detail dashboard i have to use a different datasource (mssql) that requires only the SN, rather than the name being passed. For example, I have one graph that displays data but for multiple states which are stored in a variable. Variable type Description; Query: Query-generated list of values such as metric names, server … Think of a typical example, you have 10 host machines and each host has several network interfaces. Click the Add tab, put interval as variable name and choose interval as variable type. the key is to pass hostname="$host" and get label hostname. I was thinking of defining a var thats a regex of an existing one, but could not see how to do that. The materials they call out are different than ours, but usually have a substitute US material and vice versa. Any suggesions how to call this variable? asssume the label's name is countrylabel, Gen UKdum=1 if country=="United Kingdom":countrylabel More details can be found in Stata Tip 14 in the Stata Journal. I can select the state variable and the data will change in the graph depending on which state I … In the variable list, click the Duplicate variable icon to the right of the variable entry to create a copy. I have 900,000 observations in my dataset. 5. I am using MySQL as my data source in Grafana and I am executing SELECT Queries to fetch data. “device - sn”. I have 2 datasets, call them data1 and data2. Hi, welcome! Inserting variables into another variable [closed] Ask Question Asked 6 years, 5 months ago. I have a variable where the user chooses the device. If the value of testVar gets set to "ABC", I want to create a variable called ABC and assign it a value. query= label_values(rsh_node_time{job=~"$job",hostname="$host"}, hostname) I am trying to have PowerShell create a variable for a script based on an original variable. You can use the parameters of New-Variableto set the properties of the variable, set the scope of a variable, and determine whether variables are public or private. Thats why i thought if i could use the regex of the var value and set that to a new var named SN the details dashboard would have it available to use with no user input. You can also change the value in an existing variable for a subset of cases. Active 4 months ago. But i would like to automatically set another var for the SN that other linked dashboards will use that is only going to be the sn. Remember to Add the variable, and you should see the new variable in your dashboard. How to use one variable value as a result for another variable input , I am using MySQL as my data source in Grafana and I am executing SELECT Queries to fetch data Here is the query that I am executing, Variable values are always synced to the URL using the syntax var-=value. What should be my variable query for that? Then you need not -decode- at all. But i would like to automatically set another var for the SN that other linked dashboards will use that is only going to be the sn. Could you ask this with a minimal REPRoducible EXample (reprex)?A reprex makes it much easier for others to understand your issue and figure out how to help. Read 4 answers by scientists to the question asked by Danielle Pearce on Feb 9, 2021 Powered by Discourse, best viewed with JavaScript enabled. [[columns]] limit 0, [[limit]]; I have created 3 variables “databases” , “columns” and “limit” which will give me the appropriate result and I have variablized “databases” and “limit values”, But what I want is when I select the value of database from drop down, the column variable should show tables from selected database only. How to use one variable value as a result for another variable input in Grafana? There are 4 types of bus routes: M, B, S, and Q - corresponding to New York’s boroughs of Manhattan, Brox and Brooklyn, Staten Island and Queens. You may have to experiment with the variable recalculation option, to ensure that the values of [[columns]] are recalculated whenever the user changes their selection of [[databases]]. Powered by Discourse, best viewed with JavaScript enabled. Wondering how difficult this would be. While a user is working bash script execution in a Linux system, different sets of bash commands need to be executed from the terminal window based on the various requirements. variable=hostmysql Hello all, I have a simple question, but I can't find the correct code to do it. In conjunction with the awesome auth proxy behaviour of grafana, I now have no need for this feature now. the variable’s human label. Is there an efficient way to do this? Glad you worked it out! https://grafana.com/docs/reference/templating/#variable-types. You can paste the variable name in the Target Variable window, type the new value in the Numeric Expression window, then click on the If button. SELECT * FROM [[databases]]. can you show your code? We have a branch in Germany and in the US. New variables created this way appear at the bottom of the list. I had this problem , get host name in two format. The environment will be always changing so the first variable is a mixed bag so to speak. For example, I have one variable and I want to use it inside of regex for another variable. I am having trouble creating a new variable (x) that totals the number of observations for which one variable (p2) equals the value in another variable (AID), i.e., For each x, count if p2 equals AID for any observation. Thats a format of “Name - SerialNumber”. I'm trying to insert results of a declared variable into a sql statement. I was thinking of defining a var thats a regex of an existing one, but could not see how to do that. I tried grepl, but that didn't work. I have a variable where the user chooses the device. Could you show me more detail like capture screen? You can then add on to the query for the parent variable. I asked because i did not know how to do it. Notice that Grafana suggest some values by default. In [[column]] template variable I am using “show tables;” SQL query. Hi, I have two variables that I want to focus on - set and balance. And you want to display stats of each interface of selected host. The easiest way to create a new chained variable is to copy the variable that you want to base the new one on. but me and others were researching all the waste time. I am creating alerts in grafana and am wondering if the alert will work for various variables on one graph. *)(.sip.com |.sip2.com)/. We don't really have enough info to help you out. Examples of templates and variables. I am looking to set a variable without user interaction based on another variable. So i would like to have a var named SN on that dashboard that could be just the SN part of the name and would be defined on dashboard load. Then, we use Grafana’s threshold settings to assign each bus type to a color: In fact, based on some of Torkelo's previously stated views on security, and the lack of enforcement of user-level by back end databases, I feel this behaviour probably doesn't belong in Grafana at this time. For example, I have one variable and I want to use it inside of regex for another variable. I am trying to run grafana but i need to specify the port using an environment variable. but when I try to save it, I got an error message like this “Template variables could not be initialized: Error 1046: No database selected”, In [[Database]] template variable I am using “show databases;” SQL query, which works fine and gives me the proper result of the list of databases, Can you please give me an example of how can I merge [[database]] template variable value to [[column]] template variable, I changed my [[columns]] template variable query to “show tables from $databases” and it worked. Typically, you create a new variable by typing the variable name and its value, such as $Var = 3, but you can use the New-Variablecmdlet to use its parameters. I want to create a variable in data1 that takes on the value of 1 when the ID variable is present in data2, and 0 if not in data2. prometheus query: Is it possible to write a variable based on the value of another variable as a transition action? Right, that’s the one. To make it fit our data I'll adjust the available intervals. I've highlighted the section below that I'm talking about. Our goal here will be to create a variable which controls the type of buses displayed in the visual, based on the bus’ route. I would like to be able to select a second combination from the dashboard as seen below. If you have multiple identical data sources or servers, you can make one dashboard and use variables to change what you are viewing. They both have the same set of variables, one of them being ID. data2 is a subset of data1. That var is a query to the influxdb to populate it: show tag values from dellsc_san_disks with key="hostname", With results like: array1 - 111111 array2 - 22222 array3 - 33333. Say the variable in my loop is called testVar. Variables are an essential feature of bash programming in which we assign a label or name to refer to other quantities: such as an arithmetic command or a value. You can see the Values field has been auto-populated by Grafana once we chose the interval variable type. The New-Variablecmdlet creates a new variable in PowerShell.You can assign a value to the variable while creating it or assign or change the value after it is created. In this accelerated training, you'll learn how to use formulas to manipulate text, work with dates and times, lookup values with VLOOKUP and INDEX & MATCH, count and sum with criteria, dynamically rank … i dont understand it. In the configuration of the [[columns]] template variable, you can have the options in the drop-down be populated by a SQL query (https://grafana.com/docs/reference/templating/#variable-types).