Dashboard Variables - Grafana Tutorials What happened:. 2. Multi-value allows you to select more than one value in the dropdown when using the variable. Grafana displays the query identification letters in dark gray text. Use Grafana variables | Timescale Docs Grafana automatically creates a quoted, comma-separated string for multi-value variables. Link to dashboards with variables defined in the URL. Variables - Redis plugins for Grafana Hi, I am using Prometheus datasource with Grafana. Now, let me show you how to put it all together. When I use a multi-value template variable for my queries, say A and B, I expect to get two separate graphs plotted in the same space, however i only get one graph with {A + B}, and the resultant is only the query output for the last value, i.e. Grafana templating with Prometheus labels · Banzai Cloud Amazon Managed Grafana automatically creates a quoted, comma-separated string for multi-value variables. Grafana variable multiple values Use of embedded multi-value variables in regex - Grafana Lab. 4. Let's try and understand what's happening here and how Grafana variables work. Grafana has built-in support for Prometheus and the concept of the variable is the icing on the cake if used correctly. JSON_QUERY returns a valid JSON fragment. In this case, we use the Query type . Template variable query in Zabbix data source is a string which contains 4 parts wrapped in braces ({}). Copy. Select Type of the query to CSV. 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. 3. The problem to solve: IN() list in SQL from a multi-value variable. For example: Screenshot from 2019 02 06 17 05 32. Returns a list of label values for the label in every metric. I have tried repeat panels but that . Dashboard Variables Video Lecture. You can set Grafana variables manually or fetch values from a query.Additionally, you can extract labels from prometheus with the label_values function, which takes a label name and an optional metrics name parameter. Format multi-value variables. Organizing Panels and Dashboards for Easy Management. Be sure to click Add (or Update) when you're happy with the query and options. So when you change the value, using the drop-down at the top of the dashboard, your panel's metric queries will change to reflect the new value. Scalar : The expressions resulting in a single constant numeric floating number is scalar. Example : 1st variable : select account_id from accounts -> OK. Value groups/tags (Experimental feature) Query Format. To turn off quoting, use the csv formatting option for variables. For example, a query variable might return a list of server names, sensor IDs, or data centers. Let's understand one by one with examples. I have the multi-value option enabled. To create a new variable, click the dashboard's Settings button in the top right area, select Variables, and then New. For this example I've created a PostgreSQL database in Google Cloud SQL, loaded sample data from Gerald Venzl and a free grafana cloud service. Advanced variable format options. Practicing with variables. Show activity on this post. Grafana provides a way to get all labels, metrics, and queries the Prometheus. It is currently unused in Prometheus. We are going to use a very simple dashboard, based on the data available from the 2020 Data Visualization Society Survey. Repeat Row to Create Dynamic Grafana . B in this case. The goal is to create a Graph panel in which the user can choose which metrics he wants to see by selecting the multi-value template variable If I check 2 or more entries, grafana generates graphite query payload like "a. Once created, change the resource for your query to use the selected value(s) and your charts will respond accordingly: Here he is a small example with a group of containers of Grafana and InfluxDB. A data source can define the default format option when no format is specified by adding a third argument to the interpolation function. Transpilers: Flux, Influx Query, PromQL Decouple database from query computation Iterate faster on query engine Keep database untouched Independently scalable Add more functions Chainable: transformation from input table to output table Description. The formatting of the variable interpolation depends on the data source. As part of this, we've created a custom variable list with "device IDs", called devices.. Query — The SQL query that is used to select the values for the variable. Using query variables, you can write a data source query that returns a list of metric names, tag values, or keys. . Templates A template is any query that contains a variable. In this case, we use the Query type . Multi-value If you turn this option on, the variable dropdown list supports the selection of multiple options at the same time. Click a variable name to add it to your query and select a value from the Value dropdown. In the "New Panel" box, select the "Add Query" icon. On the variable page, define the data source and query to run in order to get the list of values. This works fine for single device ID selection, but not for multiple . The image below illustrates what I can see. Grafana variables ︎. Since this is my . Grafana escapes dots in prometheus query only when using variables, in result prometheus returns empty data set. Variables and templates also allow you to single-source dashboards. Multi-value variables with a Prometheus or InfluxDB data source Variables can be declared after the query or mutation and are passed like arguments to a function and begin with $. Graph Panel - Multiple Servers & Problem Statement to use Grafana Variables. Useful for testing visualizations and running experiments. For more information, see Formatting multi-value variables. While our query usually returns a few items, there are cases where it correctly returns zero values and in those cases we see a single repeated panel displayed with scoped variable value "All". Can someone please help me with this. However, the drop-down value for the variable is populated with the proper values, and if i select more than one target, the panel goes into repeating mode. A GraphQL request can be split into two sections: one for the query or mutation, and another for variables. {b1,b2}.c" But if I check only 1 entry, grafana generates graphite query payload like "a. Use Grafana Version 7.3.0 or above. query: Query expression for the datasource. Learn more about formatting of variables in the Grafana documentation (opens new window). torkelo changed the title Feature Request: Template Variable support array or multi-select value Templating: Multi-select variable value on Apr 27, 2015. torkelo added a commit that referenced this issue on Apr 30, 2015. To use values from multiple fields in a mathematic calculation, complete the following steps: Filter by fields required in your calculation; Pivot fields into columns; Perform the mathematic calculation; Filter by fields. Then create a graph using the template variable as part of the name. From the Query dropdown, select "Scalyr Grafana Datasource". Sort — How to sort the values for the variable. e.g, welcome. When you apply a variable to your dashboard, &vars[variable_name]=value is appended to the URL so you can share the link with the variables included. name: Name of variable. I've already stored the serial numbers as tags in my Influx data so this Influx Query will get at them. When this data source is selected, Grafana allows you to select a data source for every new query that you add. grafana. but a Query in my environment looks like this: Name: serversite1 Automatic Repeat Panel Based on Variable Value. If you name your outputs from IotaWatt such that they are separable by RegEx-s (see table of names, above), then you can use dynamic variables ("Query Variables") to produce - dynamically- lists of outputs to graph in Grafana. Note that if the query returns values it will display a preview of them so you'll know if your query is good. (up to you to choose the right solution according to your context). As soon as i enable the multi-value flag for "target", the panel does not show any value. set multi-value option for this variable use this variable in query: SELECT "$fieldName" FROM "exec" WHERE ("host" =~ /^$host$/) AND $timeFilter GROUP BY time ($__interval) fill (null) turn on Repeating for all values of $fieldName in General section of panel editor. Query Variable - Dynamic Variable Values. I'm using Grafana plus Prometheus queries to create dashboards in Grafana for Kubernetes. Here, we select our variable's data source, which is the database that . In the next few lessons, we will look at how to create and use dashboard variables. About Multiple Values Grafana Query . Values can be static or dynamic from another query regarding your context. Multi-value variables with a Prometheus or InfluxDB data source.. Dec 2, 2019 — The good news is that Grafana tables can do this, because Grafana will merge query results with identical Prometheus label sets (more or less). You can also use template variables in your data links URLs, refer to Templates and variables for more information on template variables. For example, the following query will return a list with values from . Multi-value variables with a Graphite data source Graphite uses glob expressions. 9 using the grafana templating. Define custom variable with or and and custom values. 2nd variable : My goal is to get something like that where I can choose one, many, all or no country at all: I can query the list of countries as: # Nested (chained) variables With nested variables, you can create a template to visualize time series related to a branch of the asset subtree and let users navigate the subtree. Grafana Viewers can use variables. I've created data links to allow users to link to another dashboard and this link includes the relevant value of the data variables in the url. Let's change the SQL query to use CSV format by default: Returns a list of label names. Grafana is a great observability platform. So, when we apply OR operator between a real query and some string it will query as it is while with AND operator it will take intersection with some string, which will result in no result. Visualization, Metrics & Reporting. 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. DevOps Certified Professional (DCP) Take your first step into the world of DevOps with this course, which will help you to learn about the methodologies and tools used to develop, deploy, and operate high-quality . You can do queries with variables like this one (needs Grafana v5+) SHOW TAG VALUES WITH KEY = "Site" where servername =~ /^${Site}server*/ . I use postgres datasource. Visualization, Metrics & Reporting. 1. You can do queries with variables like this one (needs Grafana v5+) SHOW TAG VALUES WITH KEY = "Site" where servername =~ /^${Site}server*/ . . multi: (default false) Whether multiple values can be selected or not from variable value list. Whatever database column is assigned as __text is used whenever the variable is displayed and whatever is assigned to __value is used as the actual value when Grafana makes a query. Turning off quoting for multi-value variables. Depending on the type of variable and the panels/dashboard you might want to select the option for Multi-value and/or the All option. Turning off quoting for multi-value variables. We will create the variables using the Data sources set up in all the previous lessons. Grafana has a intuitive query editor to provide easy access to the measurements, fields, tags and values from the InfluxDB database. Mixed - Select this to query multiple data sources in the same panel. {b1}.c", and graphite returns no data. One Variable to set multiple Values. Dependent Varialbes - Cascaded Variables. Under the General section, we name our variable . A query datasource consist of 4 parts: * Function: You are given a list of the function that can be applied to the Facet values. When a user selects multiple values for variable, the value of the interpolated variable depends on the variable format. I am using influxdb datasource with Grafana. Predefined dashboard variables Most trusted JOB oriented professional program. First of all, make the data source a variable so that the dashboard is not limited to any specific Prometheus instance. In a panel, we wish to display parameter data where the user can select one or more device IDs from the devices list to have them displayed in the panel. In this case, we use the 'Query' type, where your variable is defined as the results of SQL query. This works fine for single device ID selection, but not for multiple devices. I was using influxdb before, and it worked as expected. Regex Use regex if you need to filter values or extract a part of value. The current table transform renders only the first query. Matching the metric name ( metrics () works fine as described) but specifying multiple graphs in a single Graph query e.g. Variable defined in multi value mode. So, i think, something with my query inside the panel is not fully correct. I can't find a way to define variable based on other variable, if other variable is in multi value mode. If you have multiple identical data sources or servers, you can make one dashboard and use variables to change what you are viewing. refresh: (default 'never') 'never': variables queries are cached and values are not updated. Query string. String. Style changes and polish to multi variable value selection, #1144. fe0bf87. As you can see . Prometheus is a condensed way to store time-series metrics. Hi, I am using Prometheus datasource with Grafana. TOP 20 INTERVIEW QUESTION FOR PROMETHEUS AND GRAFANA - DevOpsSchool.com. Query variables allow you to write a data source query that can return a list of metric names, tag values, or keys. I'm am using timescaledb (Postgresql) as my DB. Grafana variable multiple values Use of embedded multi-value variables in regex - Grafana Lab. Slide 1. How to create a variable of type Query. The image below illustrates what I can see. Now, after selecting a given value of name1 and name2 in the menus I would like Grafana to plot the time series of number corresponding to that (unique) combination of name1 and name2 , and I'm trying to do it . but i am not able to make it work. What you expected to happen: When using variable with checked "multi value" I expect to pass same query to prometheus as without checked "mutli value" How to reproduce it (as minimally and precisely as possible): Practicing with variables. Use filter() to return only the fields necessary for your calculation. We use a Grafana mutli-value variable to query Prometheus and return a list of label values that we want to repeat panels for. Repeating query per multi-value variable datasource in single panel. show tag values from pvs6_inverter with key . I take the name of the nodes (3 in this case) in a variable and then I pass this values to other query to extract the IPs of the machines. For example, a query variable might return a list of server names, sensor IDs, or data centers. grafana. Multi-value — Enable multiple values to be selected at the same time . name: Name of variable. The values extracted are correct. Add a query variable. Variable of the type Query allows you to query Prometheus for a list of metrics, labels, or label values. This simplifies maintenance and upkeep enormously. In this case I wanted to create a variable named "inverter" which has 28 possible values, one per serial number. This is a Grafana variable that indicates that you are going to get the value from the first column of the query, in this case, the column answer. To isolate the issues based on IP address and Geo Destination. These two variables correctly generate two drop-down menus that I can use to select the proper value of name2 given a value of name1. Variables¶. String: The expressions whose output is a string literal is a part of this category. GraphQL Variables. Variables. We've set up a Grafana cloud + InfluxDB 2.0 (Flux language) cloud instance. The magic is the query: One Variable to set multiple Values. Selection Options. Grafana users can create template variables for the Dashboard and use variables in metric queries and in panel titles. e.g, 11.99. Firstly, we need to add a multi-value variable in the dashboard. When I use a multi-value template variable for my queries, say A and B, I expect to get two separate graphs plotted in single graph, however i am getting two separate graph one for A and one for B . A query can return multiple columns and Grafana will automatically create a list from them. You do this in the dashboard settings. What was the expected . The first step is to declare a variable. by iterating over the metric names in the multi-value template variable. About Values Grafana Multiple Query . As part of this, we've created a custom variable list with "device IDs", called devices.. This is fine if the values . We have a situation where we need to select the multiple values (instances/servers) from grafana variable field, and multiple values needs to passed to the Prometheus query using some regex, so that i can see selected hosts metrics in single graph. Adding a query variable. For more information about using Grafana, see the Grafana documentation. Grafana - A built-in data source that generates random walk data. So I have a dashboard where I have a multi-value variable containing all the sqlite datasources I have (frser-sqlite-datasource plugin), all the sqlite databases are identical in setup, just different data. . The following examples should help you understand how label_values . Now, let me show you how to put it all together. The Prometheus data source plugin provides the following functions you can use in the Query input field. The variable values change as they dynamically fetch options with a data source query. In this case, we use the Query type, where our variable will be defined as the result of an SQL query. Create a new dashboard by click Create > dashboard. If null, then the dropdown label will be the variable name. 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. Variables simplify GraphQL queries and mutations by letting you pass data separately. Template variables can query Commands and use other variables as parameters. Using Templates and Variables - Advanced. Add Another Query. Multi-value Enable, if you want to select multiple values at the same time. Similar to the term query, the terms_set query can hunt down multiple values based on certain conditions defined in the PUT request. Data Links not passing Multi-value/All Template Variables properly for Influx I created template variables that I need to move between dashboards when a user clicks a link. In a panel, we wish to display parameter data where the user can select one or more device IDs from the devices list to have them displayed in the panel. Custom Variable - Static Variable Values. There are some situations where you might want to change the default formatting. 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. A variable with multiple values would, in this case, be interpolated as {host1,host2,host3} if the current variable value was host1, host2, and host3. Once created, a drop-down list appears at the upper left in the dashboard and now we can perform multi selections or we can filter to . show : or represent the label : value for variable Spread the loveThis article focuses on installing the latest version of Grafana on an Ubuntu 20.04 server. For each row, Device ID is considered as metadata and is mapped as a dimension. We've set up a Grafana cloud + InfluxDB 2.0 (Flux language) cloud instance. Include All option The Grafana workspace adds an All option to the variable dropdown list. For example, if server01 and server02 are selected then it will be formatted as: 'server01', 'server02'. We are going to use a very simple dashboard, based on the data available from the 2020 Data Visualization Society Survey. Multi-value allows you to select more than one value in the dropdown when using the variable. Is there a way for me to repeat a query for each database, in a single . but a Query in my environment looks like this: Name: serversite1 Use the or logical operator to filter by multiple fields. We have a situation where we need to select the multiple values (instances/servers) from grafana variable field, and multiple values needs to passed to the Prometheus query using some regex, so . I setup a template with "Multi-value" checked. The variable will be serialized to comma-separated values in case several assets are selected from the dropdown. Instant vector. eTxj, PxT, VMLpC, UWbB, fhLC, nJmAI, qlyRwf, CVIxIf, oSMYLC, gUhST, vvCe,