Prometheus add label in query. You can add labels to an alerting rule.
Prometheus add label in query. answered Mar 23, 2019 at 21:44.
Prometheus add label in query. , production or staging) and “service” (e.
Prometheus add label in query. one of my question is: how to pull k8s node by label and list all those nodes with only one of their label. output. For your example query will look like this. Mar 16, 2021 · The reason we need label replace is that at the moment query 1 and query 2 don’t have any labels in common. Labels. job=”prom”. Breaking up series cost by job, instance, metric name, As a Prometheus server administrator, the total number of time series that a server needs to keep track of is one of the main memory and scaling Nov 5, 2020 · 2. The answer you can find in this description. 0. I will then create a new panel, and title it “Extract Prometheus Labels. the exporter does not have to run on the machine the metrics are taken from. The purpose of this post is to explain the value of Prometheus’ relabel_config block, the different places where it can be found, and its usefulness in taming Prometheus metrics. You can display an expression’s return either as a graph or export it using the HTTP API. target_label: my_new_label. label_values(up{service=~"abc. record: <string>. ”. Monitoring tools are only as good as the range and visibility they offer admins into applications’ performance. The label_replace() copies the label_a value to label_b for all the series returned at step 2. Explaining the problem with an example: ALERTS{alertname="CPUThrottlingHigh",pod="sendsms-dbed"} 10. The following endpoint returns various cardinality statistics about the Prometheus TSDB: GET /api/v1/status/tsdb URL query parameters: - limit=<number>: Limit the number of returned items to a given number for each set of statistics. # By default, Prometheus stores its database in . Mar 19, 2018 · This one however returns all labels called instance from every metric in the TSDB. Jun 8, 2022 · Step 2: Using the postings index to find the series that match the labels. Labels are used to add context and meaning to metrics, which makes it easier for users to query and analyze data. Query: query_result(aws_lambda_info OR s3) Regex: /a="([^"]+)"/. I have a metric with 2 labels. The following binary arithmetic operators exist in Prometheus: + (addition) - (subtraction) * (multiplication) / (division) % (modulo) ^ (power/exponentiation) Binary arithmetic operators are defined between scalar/scalar, vector/scalar, and vector/vector value pairs. You can even format the legend in order to print the metric name + a custom label. answered Jul 18, 2017 at 2:57. {status="0"} 0. You can list the objects: kubectl -n <your-namespace> get prometheus. The ignoring clause means don't use the ifDescr label for matching (as it's only on one of the series). 31. Which unfortunately includes all logs where I do not have a traceId Jul 13, 2017 · Hi Andronicus, I have updated rule file. The result of a subquery is a range Templating labels and annotations. Removing unneeded labels. You can find an example here. For example, the following query extracts the project. I you use the Gauge widget, it will also display the value of the metric. 11 value stored in the index label and Aug 25, 2021 · Tried to find a way with Prometheus query to replace 2 or more labels, but did not find any good and "short" way of doing it. This will match all that is misc group. May 10, 2022 · 4. Make 2 queries and select visualization format as table. Next, each block (from step one) will be scanned to find the series that matches the labels. here is what I have: label_replace( label_replace( label_repl Jan 17, 2020 · in the newer grafana you should add ${varname} and regex [[varname]] is nearly deprecated this will perform the multivalue variable in prometheus. Contact points can access labels to dynamically generate notifications that contain information specific to the alert that is resulting in a notification. Here, I want to include filter based on labels as well. Alerting rules allow you to define alert conditions based on Prometheus expression language expressions and to send notifications about firing alerts to an external service. ALERTS{alertname="CPUThrottlingHigh",pod="sendsms-ebed"} 20. Mar 31, 2017 · 95. under -alert details in rule. Apr 14, 2022 · We want to add one more label that should be get using above mentioned query. label_replace(. The variable of "workers" is defined as a Prometheus query variable. See label_replace () docs. For example, you might want to set the severity label for an alert based on the value of the query, or use the instance label from the query in a summary annotation so you know which server is experiencing high CPU Sep 4, 2021 · Adding a "host" label to all of your per-host Prometheus metrics. PromQL, short for Prometheus Querying Language, is the main way to query metrics within Prometheus. sample-y from project. What I would like is to aggregate the memory of all pods which belongs to the same app. The value of ifDescr is always "1" so it's safe to multiply. The unless on (label_a) instructs returning series from step 1 Mar 11, 2018 · It is possible to use label_replace() function in order to extract the needed parts of the label into a separate label and then group by this label when summing the results. So I can use this method to add a new label if you do not want to change prometheus. yml config. Mar 21, 2022 · Relabeling is a powerful tool that allows you to classify and filter Prometheus targets and metrics by rewriting their label set. Use labels to add semantic information. One of the things I've come to believe about labels on Prometheus metrics is that all metrics for a particular host should have a label for its hostname. You can use a regex for this {job=~"traefik|cadvisor|prometheus"}, however that you want to do this is a smell. You won’t have access to do this on Play, but you could follow along on your instance of Grafana. To change values of the labels you can use same function as to renaming labels: label_replace. I tend to call this label "host" ( eg) in my entries, but when we set up our setup I actually called it " cshost ", with a Templating labels and annotations. For example, if you have a metric that measures the number of requests per second, adding labels such as “environment” (e. Reorganize/rename the field names. Jul 18, 2022 · The Prometheus query builder helps with understanding queries in a couple of different ways. Prometheus label_replace will really “add” the new label name. +"} That will give you everything where group starts with "misc group". I'm trying to figure out how to add extra environment labels to all metrics in order to explicitly know from which cluster the metrics are coming from. Whenever the alert expression results in one or more vector elements at a given point in time, the alert counts as active for these elements' label sets. group_left is specifying what labels you want from the series ifDescr. Sep 17, 2020 · My situation is this: I am using Prometheus with Grafana, and with a graph, want to sum() my metrics in groups based on what their value of the label "mylabel" is. So, the query would sum the memory of all weave-net pods and place the result in an app called weave. Mar 22, 2021 · VictoriaMetrics starts from the right part of the a and b query, e. Must be a valid metric name. (sum by (pod_name) (rate (container_cpu_usage_seconds_total [5m]))) This query calculates the An Intro to PromQL: Basic Concepts & Examples. See example below. You can use a regex query: my_metric{group=~"misc group. You can find more information on how to write good answers in the help center . Note that the time series now have two identical labels - label_a and label_b. Prometheus ships with the Kubernetes auto-discover plugin named kubernetes_sd_configs that we use in the second job definition. Labels are manually configurable, use template Jul 31, 2017 · In my dashboard Add row -> SingleStat -> Metrics tab -> Query is : nodejs_version_info , now value displayed is 1. A collection of instances with the same purpose, a process replicated for scalability or reliability for example, is called a job. I have a metric, mymetric, with label mylabel. Aug 16, 2017 · Long answer: Prometheus provides two functions for calculating the average: avg_over_time calculates the average over raw sample stored in the database on the lookbehind window specified in square brackets. A subquery is similar to a /api/v1/query_range API call, but embedded within an instant query. /data (flag --storage. Apr 9, 2020 · Replace and remove a label in a Prometheus Query Your team has a fixed format of data streaming in from your nodes and going into prometheus. The Prometheus Node Exporter exposes a wide variety of hardware- and kernel-related metrics. # evaluated at the current time, and the result recorded as a new set of. So, type_group will contain values, such as type1 and type2 ( $1 refers to the regex group to pull). This can be useful in Prometheus rule evaluations, since it lets you generate a new metric for a series by appending labels from another info metric. Mar 10, 2023 · How to use label_replace: Lets take a look at a naive example query just to understand the concept. 03. Using relabel_config will add the label to all metrics ingested and if you need it to apply to up only, you can drop it at ingest time for all metrics: metric_relabel_configs: - regex: my_new_label. It sounds like you may be best using a table for this. One downside in raw PromQL is that functions are nested, which means you read the query from the inside out and arguments for a function can be far away from the function name. servers. *xyz"}, service) Or, in case you actually need to look across multiple metrics (assuming that for some reason some metrics have some service label values and other metrics have other values): The syntax for recording rules is: # The name of the time series to output to. You feel that your grafana table would be… Feb 21, 2020 · You can notice that here we have labels allowing us to have a match between an instance IP address (10. And it would be tedious to create a recording rule for each step of a query. You can't change the label value of a PromQL query result. Nov 9, 2023 · To control the labels in an aggregation you have 2 clauses to use: without() - removes the listed labels from the result vector, while all other labels are preserved in the output; F. Every evaluation cycle this is. Mar 2, 2022 · 1. I also see no reason why it would be a code smell, some elaboration on that point would be good. First, you should define label_values with metric or not. Otherwise the template code for something like label_values(up, instance) it is slightly more complicated and it seems like it actually downloads the whole series for the metric from: Nov 21, 2019 · QUESTION 1: The first part of the question is simple: Formatting the prometheus labels/properties in a table is easy. SingleStat -> Options -> Value Stat (name) Go back to SingleStat Metrics -> Legend format { {version}} You can pick any label of the nodejs_version_info query. I would be something like. The postings index, located within the index file, contains this information. QUESTION? How to query prometheus to have sum of “disk bytes read” by instance/node/server Count and sum of observations. annotations part should have this code to collect time stamp. jksdjkfs-2f16-11e7-3454-005056bf2fbf. . I don't know about helm but in the Prometheus object you can just add the externalLabels field. Jul 24, 2021 · I. And then directly edit it: kubectl -n <your-namespace> edit prometheus <your-prometheus-name>. In the Prometheus query builder in Grafana, we instead lay out operations Feb 5, 2020 · Here, I have kube state metrics info in prometheus for kube_pod_info & kube_pod_labels. We’ll rectify this by replacing pod_name with pod in query 1. yaml file, Append Summary, Description in annotations with this part 'timestamp'. The inner group (-\\w+)* indicates that your group Sep 4, 2018 · After some experimentations in Grafana 9. name) Merge them together transform ==> merge. sum by (Label1,Label2)(metric{?}) Feb 23, 2023 · Display metric labels in a table. They have two important labels: APP and TEAM: apiVersion: apps/v1 kind: Deployment metadata: labels: APP: AppABC TEAM: TeamABC Oct 19, 2023 · According to examples in Prometheus' documentation you should use printf to prepare query if it uses labels of your current alert, and feed result into query using pipe. There is a label in common between the two metrics “node_meta” and “node_disk_bytes_read”: instance. I tend to call this label "host" ( eg) in my entries, but when we set up our setup I actually called it " cshost ", with a Aug 3, 2022 · The outer label_replace() substitutes the app label with an empty value, so the label is removed from the resulting time series. How can I add in label using relabeling? prometheus; Share. , a time series in Prometheus is defined by a combination of a metric name and a particular set of key-value labels. yml. I want to list logs where I have traceId empty. The metric and label conventions presented in this document are not required for using Prometheus, but can serve as both a style-guide and a collection of best practices. func{instance=~"(${topic})_ERROR"} its usualy used in instance metric Sep 20, 2023 · 0. Then it finds unique domain label values for the returned time series and passes an additional label filter on the domain label to the left part of the a and b query. These include: Rate query starters; Histogram query starters; Binary query starters; Click the arrow next to each to see available options to add Oct 25, 2018 · Prometheus simply scrapes the metrics from KSM - this way Prometheus doesn't need to scrape the individual pods. The prom-label-proxy can enforce a given label in a given PromQL query, in Prometheus API responses or in Alertmanager API requests. It will preserve the Jobs and instances. This means that Prometheus cannot locate series pairs on the left and the right side of + with identical sets of labels. Metric names. Example: How to add new labels to existing prometheus metric in Istio? 10 Mar 17, 2021 · So, the inner label_replace introduces a new label called type_group, whereas the outer label_replace replaces the values with the type pulled from the original label, with the help of regex. action: labeldrop. Once the data is collected and stored, you can use Prometheus Queries to interact with the data: select and aggregate across the provided dimensions. Now I'm setting up the alert rules Sep 6, 2022 · How to combine separate timeseries labels in Prometheus query? 2. Improve this question. Side note 2: Values are always floating-point numbers; timestamps are integers storing the number of milliseconds since the Unix epoch. kube_pod_info{namespace="test"}---> Filters pods by namespace test. How to concatenate labels in Prometheus relabel config. This is one occasion where label_replace is very handy! There is a different approach for getting CPU count which is quite common. The question is because there might be a situation where one of the nodes doesn't contain any pod that defines CPU limits, so the metric of kube_pod_container_resource Aug 28, 2022 · Add a comment | 1 Answer Sorted by: Reset to default How can I group labels in a Prometheus query? 1. the exporter gets the targets and a query config string as parameters of Prometheus’ GET request. Oct 15, 2020 · As you know Prometheus hides missing values. You can add labels to an alerting rule. I have tested this with a similar query of: sum by (instance,version) (windows_os_info) Then creating a table with the following options: Query options. For example, consider a metric named items_in_queue, with a label queue_name. Set Mode to Columns Monitoring Linux host metrics with the Node Exporter. In our configuration, this label is called label_example_com_ci_monitoring. 1. 14. Updating existing label. Jul 18, 2017 · 16. (e. I'd like to sum all the values and exclude the case when Label1=A and Label2=B. and, extract what you want in your panel. For example, the following query copies app label into service and status label into responseCode: Feb 17, 2019 · Fortunately, Prometheus auto-discover features can address this problem. code in brackets contains query, which prometheus executes, and converts that to human readable format. Mar 19, 2019 · You must use a query and extract the label values with a regex. They track the number of observations and the sum of the observed values, allowing you to calculate the average of the observed values. 2). Your labels are coming from different sources, and are therefore using different label names for roughly the same concept. answered Mar 3, 2017 at 1:58. This will allow us to join both queries on the label “pod”. 1. In our example query, we have three labels: __name__=”up”. PromQL uses three data types: scalars, range vectors, and instant vectors. Mar 23, 2022 · In the original query the set of labels weren't identical, because they differ by code label value. As an example (but not only), this allows read multi-tenancy for projects like Prometheus, Alertmanager or Thanos. e. , web server Apr 16, 2020 · Please edit to add further details, such as citations or documentation, so that others can confirm that your answer is correct. Taurai. For example, count(my_metric) by (app) will return unique app label names for time series with my_metric name. You can use the equal to (=), not equal to Apr 30, 2021 · Sure, using a label_replace is absolutely appropriate. Under Data source, I’ll choose the Nov 28, 2018 · For example a query like prod. Individual organizations may want to approach some of these practices, e. Much of the content here also Mar 27, 2020 · Your goal is to simply replace the old label name “old_job_id” with a new label name “new_task_id”. 👍 3. {status="200"} 2. Nov 8, 2021 · The count(is_active) by (label_b) counts is_active series grouped by label_b. expr: <string>. If the label is unique for one particular metric, then you have your answer. # The PromQL expression to evaluate. The or operator is substituted with and operator and the rate({code="2xx"} is put in the front of the query, since a and b returns a when there is a matching time series with the same set May 6, 2019 · This should work (replacing up with the metric you mention):. # time series with the metric name as given by 'record'. The first thing I’ll do is go to the Dashboards area of Grafana and create a new dashboard. 0. TSDB Stats. * will fill the variable with all possible values that exists in that wildcard position (in the case of the Graphite Data Source). prometheus-promql query based on label value. Aug 1, 2022 · Prometheus is a metrics monitoring tool that provides a pull-based system to collect and monitor time-series samples. answered Mar 23, 2019 at 21:44. Once the data is collected and stored, you can use Prometheus By multi-target exporter pattern we refer to a specific design, in which: the exporter will get the target’s metrics via a network protocol. Start up a Prometheus instance on localhost that's configured to scrape metrics from the running Node Exporter. In this guide, you will: Start up a Node Exporter on localhost. Alerting rules. naming conventions, differently. 1, I have obtained a way to construct a table like you have described with prometheus metric like that. Oct 11, 2017 · 25. You can use a query like this: Apr 27, 2019 · Prometheus: Add a label based on other labels. {status="400"} 1. This query will return a list of nodes that have the label of role="worker". If it doesn't fit your need, you can ask an evol to Grafana in order to get something similar to the table (to modify individual gauge) This should be accepted answer. May 28, 2019 · 7. But I am not sure how to update the alert rule to display label. For example, the following query adds foo and bar labels from kube_namespace_labels to the returned kube_pod_labels time series: Sep 3, 2020 · 1. all independent metrics that match the regex above will show as a separate metric not all as Aug 4, 2021 · Joins in PromQL. The handler="/alerts" is a matcher, and we can add more than one matcher in our expression. How can I join kube_pod_info & kube_pod_labels to apply label filter Prometheus will only let you use grouping on operations between series. annotations part Aug 6, 2021 · filter/exclude prometheus metric based on particular label combination in open-telemetry Hot Network Questions Wax Coating For Bolts To Prevent Rust The alerting UI shows labels for every alert instance generated during evaluation of that rule. The solution can be achieved in Grafana. Histograms and summaries both sample observations, typically request durations or response sizes. For example, an API server job with four replicated instances: Dec 4, 2017 · In fact, the label_replace method only add a new label to metrics but not replace. replacement: label_value. , production or staging) and “service” (e. See the step 3 in the algorithm above. this is my dashboard. Jul 14, 2018 · A bit of changes which merges all the steps before. For it to change value of the label you need to pass same name into destination and target labels. For some metrics like kube_pod_container_resource_requests_cpu_cores or kube_pod_info my labels Feb 3, 2017 · To use Template Query is help for you. Nov 8, 2018 · It will return unique label values for the given label alongside the number of unique time series per each label value. This is roughly equivalent to the following SQL with DISTINCT clause: An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach. Prometheus should start up. You can use templates to include data from queries and expressions in labels and annotations. If you need subsituting multiple labels, then you need to write multiple nested label_replace() function calls. So you can add template and query using label_values for Prometheus query in Grafana. /prometheus --config. path). With subquery support, all the waiting and frustration is taken care of. However, I need those missing values in my metric values, therefore I added to my prom query or vector(0) For example: flexlm_feature_used_users{app="vendor_lic-server01",name="Temp"} or vector(0) This query adds a empty metric with zero values. Rewriting existing label. (This is from Prometheus Blackbox Exporter). 4k 2 36 43. 4. Jan 28, 2019 · Forgetting to add recording rules can be frustrating. I just tried adding the label without editing expression, Prometheus nested alert query in Aug 8, 2022 · In your case the query returns empty result because series on the left side of + contain label device="sdc" while series on the right side of + contain label device="sdd". Aug 1, 2022 · Prometheus Query Tutorial with examples. 1). Apply transformation Labels to fields (Select value filed name a value that uniquely identifies the metric name e. file=prometheus. Apr 26, 2019 · 5. Querying prometheus label values with metric values. expected. You can add the display of Gauge in SingleStat. 12. 2. I hope this will help you. Which will result in an all time-series having the metric name prometheus_http_request_total and label handler with value /alerts. g. I have a metric that returns a few unique values for each timeseries. However, are you using Grafana to watch your metrics ? If so, you can change the legend and print TOTAL instead of the metric name. Oliver. Photo by Luke Chesser on Unsplash. Team, I am not finding good tutorial on prometheus query hence asking here. Jul 31, 2018 · weave-net-asdkk. Both labels can have 2 values A or B. Updating metric name. In your example this should result in something like this: To start Prometheus with your newly created configuration file, change to the directory containing the Prometheus binary and run: # Start Prometheus. Dec 17, 2020 · Note: In this latter case, you may again use the label values API endpoint (but this time for the mode label) instead of a PromQL query. I have imported Node Exporter Server metrics, and modify 'instance' to 'alias' in Template Query. 2018. In Prometheus terms, an endpoint you can scrape is called an instance , usually corresponding to a single process. Prometheus supports relabeling, which allows performing the following tasks: Adding new label. it executes label_copy(metric_1{instance="abc"}, "host", "domain"). Feb 26, 2020 · relabel_configs: - source_labels: job. Note that the number of observations (showing up in Prometheus as a time series Jun 28, 2017 · brancz commented on Aug 2, 2018. Metric and label naming. I have a label called "label_source=“k8s" in kube_pod_labels. Have look at Grafana documentation for Prometheus source, it is rather well written. envoy_cluster_upstream_rq_total - a query which will return the number of requests for all clusters on all stands. Every such time series is stored separately on the Prometheus node in the form of an Dec 1, 2022 · 1. The following is the expected outcome. Mar 21, 2020 · I am able to do use label_replace () to do this on the instant vector. Base units. PromQL supports the ability to join two metrics together: You can append a label set from one metric and append it to another at query time. ifIndex, instance and job will be used. my query is below. Such as the result would be: {pod_name="weave-net"} 10. 8) and an instance name (node2). Oct 29, 2020 · We add labels to Prometheus alerts that are sent from AlertManager to Tivoli side and we make sure that alert queries that are relevant for applications always include that label. But when i want to do this for over 10 minutes data, it cannot work as label_replace only works on instant vector. How to rename label within a metric in Prometheus. Subqueries. See matching rules for binary operators in Prometheus . Then under the transform section select "Organize fields" and have it display only the instance and version. Here are Grafana transform functions you will need: Labels to fields This function separate the labels in the metric to columns. The query editor toolbar contains the following elements: Kick start your query - Click to see a list of operation patterns that help you quickly get started adding multiple operations to your query. Between two scalars, the behavior is obvious: they evaluate to another scalar New in v2. Jul 28, 2022 · Is there a way to specify filtering on Grafana query to include only results which have a specific label empty? Or at least have the only results with the label specified, even if it has an empty value? My query looks like this. tsdb. How? Just select the 'table' format as shown in the second red box. 3). I have a Prometheus that collects statistics from envoy. Prometheus: PromQL - Adding a label to Aug 31, 2022 · 1. mymetric{name: thing1, mylabel: a} mymetric{name: thing2, mylabel: b} mymetric{name: thing3, mylabel: a} Jul 21, 2022 · How to add a prometheus label to a field in alert rule. if he metric has 2 labels mode and job and you want to preserve the job label while take the max among mode-s you could use: max(sys_cpu_host_seconds_total Jul 11, 2023 · Prometheus adds only the labels from one-side of group_left() / group_right() operation, which are explicitly mentioned in the on() list. Hopefully this will help someone else. Oct 19, 2020 · 1. Yes, and I can find ways to reference the value of a label in place of x in the example, but I have not been able to figure out how to reference the value of the metric itself. My Grafana panel query is. sample-y. Prometheus has an or logical binary operator, but what you're asking about here is vector selectors. I actually have 3 GCP kubernetes clusters with prometheus operator installed on each of them. * but not group by. When pods are deployed, their deployment has certain pod-related labels as shown below. Prometheus is a metrics monitoring tool that provides a pull-based system to collect and monitor time-series samples. How can I group these by value and return a count. Which all belongs to the same app: weave-net. basically, I want a tutorial that teaches how to use query in pulling kubernetes nodes and making grafana charts dashboards. I have several booths (for testing, development and production) all running envoy. Filtering is done with the comparison operators, for example x > 0. For example, prometheus_http_requests_total{handler="/alerts"} is a selector. For your case: Jul 1, 2021 · 1. Follow PromQL/prometheus query label_replace() multiple. dqdknadiofcobndznwxc