Prometheus relabeling

Prometheus relabeling. +)" discovery. So the idea is simple, using K8s __meta_ labels and Prometheus relabeling capabilities to rewrite metric names. ip-192-168-64-30. io/scrape`: Only scrape services that have a value of `true` # * `prometheus. Fixes #3850. Every evaluation cycle this is. This prefix is guaranteed to never be used by Prometheus itself. filters: - name: tag:aws:autoscaling:groupName. Must be a RFC3339 formatted date or Unix timestamp. Problem. multipass:9100. *Micro-ALBTa-K3SKWNESS7M. action: replace. Relabeling is a concept that allows the Prometheus administrator to configure these Apr 26, 2023 · Dropping every unused metric can be time-consuming and even counterproductive because the relabeling rules will consume a significant amount of resources on your Prometheus instance. relabel component. The returned metrics include a probe_ssl_earliest_cert_expiry metric – the value of this metric is a Unix timestamp that tells us when the TLS certificate is about to expire (hopefully this timestamp is in the future, otherwise the certificate has already expired). A Dec 22, 2022 · I want to set the value of the label instance as hostname where it runs the Redis server. We would like to show you a description here but the site won’t allow us. 5:32791" ← クラスタ内からしかアクセスできないアドレス __meta_consul_address Jul 31, 2019 · In the next step, you can use relabeling to replace the address of each discovered instance from private IP to public IP. Gr, J. Activating the remote write receiver via a feature flag is deprecated. digitalocean_sd_configs: - bearer_token: "{{do_key}}" port: 9121. Requirements - Starting your Prometheus instance. Aug 9, 2019 · For example this is what I used to do for kubernetes-cadvisor exporter to set a label on static_config, so that my custom label was displayed on all the metrics collected by my exporters on ingestion time: scrape_configs: - job_name: prometheus. Discover Pods in your cluster that match those PodMonitors. I also read there is whitelisting labels possible in service monitor. 2. From what I saw the solution is something around relabel_configs but I'm Apr 4, 2023 · I use Prometheus with blackbox exporter to monitor web health and SSL certificate health of multiple targets. Merged. com:8080, hostname should be set to myhost. Share. This will cut your active series count in half. Here's my service monitor. . metrics_path: '/actuator/prometheus'. Using a standard prometheus config to scrape two targets: evaluation_interval: 15s. 41. You can't do this: unless counter you want to use is already a part of machine's name (or any other label) you cannot achieve described goal. This feature flag will be ignored in future versions of Prometheus. The syntax for recording rules is: # The name of the time series to output to. Amazon Managed Service for Prometheus manages the scraper for you, giving you the scalability, security, and reliability that you need, without having to manage any instances, agents, or scrapers yourself. g. It also checks that the label names generated by labelmap actions are valid. But I have got an instance name where Prometheus runs. Must be a valid metric name. It joins the original __address__ label value and the node_exporter_port label value with the given separator: ':'. An Amazon Managed Service for Prometheus collector consists of a scraper that discovers and collects metrics from an Amazon EKS cluster. replacement: "backend-team". brian-brazil mentioned this issue on Apr 11, 2017. Relabeling in config. The Alertmanager can then deduplicate alerts based Aug 16, 2018 · Because the Prometheus Operator already allows running HA pairs of Prometheus and drops the uniquely identifying external labels. Prerequisite. In Prometheus terms, an endpoint you can scrape is called an instance , usually corresponding to a single process. It has the same configuration format and actions as target relabeling. Improve this answer. In conclusion, the Prometheus relabeling section relabel_config can be used to apply relabeling rules to time-series data or metrics. Dec 14, 2022 · Relabeling rules configured in serviceMonitor. Prometheus Relabling. ex-relabeling. json file so I can keep config files clean. ec2_sd_configs: - region: value. port: value. New in v2. The node exporter even exposes it as the nodename label on the node_uname_info metric! Oct 13, 2016 · The following relabeling config appends the port from node_exporter_port label to the __address__ label: - source_labels: [__address__, node_exporter_port] target_label: __address__. Relabeling allows us to decide which metrics and which labels we want to remote-write. Rename a Prometheus label by using a regex against a metric name. Metric and label naming. (At least it is accurate, as far as I can tell. No one assigned. Mar 31, 2022 · In the resulting Prometheus config that I can see in the web GUI on port 9090, this gets translated (again in all relevant sections) as follows: metric_relabel_configs: - source_labels: [id] separator: ; regex: (. After this training you will know how relabeling rules work and be able to apply them in different scenarios, such as mapping labels from Relabeling in Prometheus is a powerful feature that allows you to modify or filter labels on metrics before they are stored or processed. I saw this two one , two questions that are about the same problem, but no luck. relabelings are ignored and not used as default when the module level relabelings are not set. Instead of using an Ops Agent processor, any metrics processing is done by using the relabel_configs and metric_relabel_configs sections of the scape config, as specified in the 5 days ago · The standard method to prevent time-series metrics from being processed by the collector is to use Prometheus relabeling rules with a keep action for an allowlist or a drop action for a denylist. # time series with the metric name as given by 'record'. the Octoprint node that controls my 3D printer). Apr 1, 2018 · Prometheus Operator v0. Lab 6 - Relabeling Metrics in Prometheus. static_configs: - targets: ['272. Since I have a lot of targets, I put them to a blackbox. *' replacement: '/servicename/ping' target_label: target_group This is not working as expected, can you anyone help me on this, let me know if i am missing anything in the configuration. The remote write receiver allows Prometheus to accept remote write requests from other Prometheus servers. 1. At some point I wrote an extra relabeling rule that populates the new ec2_vpc_id value. The most common use of discovery. io/scheme`: If the metrics endpoint is secured then you will need # to set this to `https` & most likely set the `tls_config` of the scrape May 26, 2020 · Notice how I have no samples post relabeling? The number scraped is correct. GitHub Gist: instantly share code, notes, and snippets. If you're curious "what's the point of Mar 3, 2023 · c. There, we look at write_relabel_configs, which points us to generic relabel configurations used for other purposes as well. See an example from the above discussion: Relabeling is unique to prometheus Gives you power over configuration Allows filtering/modification of metrics and configs More than just altering labels: dropping Mar 12, 2019 · scrape_interval: 5s. …ng actions These actions are supported by Prometheus starting from v2. If you’re talking about the prometheus metrics which lxd Metric relabeling is applied to samples as the last step before ingestion, and it has the same configuration format and actions as target relabeling. Mar 9, 2020 · I'm mostly concerned about the tags - every instance contains a lot of them and I would love to gather them all using one simple configuration entry with the usage of regular expression. Adding or updating static labels at scrape targets. expr: <string>. based on kubernetes_sd annotations) PROPOSAL: Allow scrape_timeout and scrape_interval to be configured via relabeling (i. Important If an alerting rule has this label, your alerting rule can use only those metrics exposed by your user-defined project. Feb 6, 2024 · We will later configure Prometheus to scrape this /probe endpoint to trigger a probe and collect the same metrics. I highly recommend to read the blog post Life of a Label to get better understanding of the difference between relabel_configs and metric_relabel_configs. Using a standard prometheus config to scrape two targets: ip-192-168-64-29. yml file entry for the same given below: - source_labels: [target_group] regex: '. metric_relabel_configs says "One use for this is to blacklist This label forces only the Prometheus instance deployed in the openshift-user-workload-monitoring project to evaluate the alerting rule and prevents the Thanos Ruler instance from doing so. See how to drop discovered targets. I could fish out the version with the vars filled in, but this is a minikube install with everything in the 'default' namespace, so the values would not be terribly interesting. And those labels are limited to the Nov 30, 2023 · We consult the Prometheus configurations reference – specifically, the remote-write section. my monitoring host) while others are online only when needed (e. Follow answered Dec 16, 2022 at 19:55. I add appropriate labels to the targets so prometheus knows which job to use. The prometheus. 0. The Art of Metric Relabeling in Prometheus. relabel component rewrites the label set of each metric passed along to the exported receiver by applying one or more relabeling rules. - job_name: ec2 scrape_interval: 15s Mar 8, 2018 · What did you do? Try to use relabelling to populate the parameter "match[]" for federation. Is this common Apr 21, 2017 · prometheus. e. We do a thorough break down of these powerful configuration blocks with practical, real world examples. For example, an API server job with four replicated instances: Jun 28, 2018 · prometheus: prometheusSpec: additionalScrapeConfigs: # Scrape config for service endpoints. relabel component are applied. Dropping a label can result in duplicate series, which will be dropped by Prometheus. relabel rewrites the label set of the input targets by applying one or more relabeling rules. Lab Goal. TSDB Stats. Slides. However in the TSDB status in the GUI the "id" label is still there, with the same cardinality as You have two options to relabel your metrics in Prometheus: at ingestion time using metric_relabel_configs (in Prometheus configuration) at request time using label_replace. May 16, 2022 · The following relabeling rule should drop all the metrics with istio_requests_total name: - action: drop source_labels: [__name__] regex: istio_requests_total If you need dropping all the metrics with the destination_service label, which starts from unknown prefix, then use the following relabeling rule: May 1, 2024 · The Prometheus receiver supports nearly all of the configuration options specified by the Prometheus scrape_config specification, including relabeling options. If I apply a regex I would overwrite the existing value teams=dev where it exists. *)' target_label: '### use extracted regex group Mar 20, 2023 · はじめに Prometheusでのリラベルについて、どんな風に設定するのか、何ができるのかをざっ Amateur Engineer's Blog 未熟なエンジニアの成長録 4 days ago · The Prometheus receiver supports nearly all of the configuration options specified by the Prometheus scrape_config specification, including relabeling options. *) replacement: $1. Document scrape_samples_post_metric_relabeling and scrape_samples_scraped #709. Jun 21, 2018 · Please find the lines from the prometheus. I tried this solution that Brian Brazil shows, but no luck. Feb 7, 2022 · Relabeling. 0, Prometheus v2. As discussed here Prometheus config to ignore scraping of metrics for a specific namespace in Kubernetes, one can drop metrics when a certain label's value is present, for example a kubernetes namespace. 14. For metrics with unused labels, it’s not quite as simple as dropping labels that aren’t used. Could someone prompt me on what I did wrong? metrics_path: /metrics. # # The relabeling allows the actual service scrape endpoint to be configured # via the following annotations: # # * `prometheus. 如上图所示，对于线上环境我们可能会划分为:dev, stage, prod不 Sep 7, 2017 · 0. prometheus. See how to add labels to scrape targets. relabelings: - sourceLabels: [__name__] regex: (. *. missing documentation. 在本章的前几个小节中笔者已经分别介绍了Prometheus的几种服务发现机制。. Metric relabeling does not apply to automatically generated timeseries such as up. Maybe I expressed myself wrong - I want to add the label teams=devops only if this label does not exist yet. Prometheus' relabel_config can only use labels of the target ( metric_relabel_configs can also use labels of the time series itself, but it doesn't help here). 2k 2 2 gold HTTP client configuration file for promtool to connect to Prometheus. separator: ':'. If you would like to keep or act on these kinds of labels, use a discovery. Jun 3, 2017 · Prometheus is set to look for this server-stats service and use the configuration (host address and port) provided by Consul to scrape stats from servers. Prometheus allows the instance name (among other labels) to be relabeled in a very simple manner as shown below using relabelings. Jul 10, 2018 · I have some k8S cluster (mon, foundation. This should allow more compact legends in Grafana dashboards. static_configs: - targets: ['localhost:9090'] labels: kubernetes_namespace: kube-system. Both servers then scrape the same metrics, compute the same alerting rules, and forward exactly the same alerts to the Alertmanager. And for metrics relabeling there's only. In this training, you will learn relabeling, the Prometheus configuration meta language that is central to transforming and filtering labeled objects in Prometheus such as targets, scraped samples, or alerts. But not sure how to use it. Requirements - Inspecting all instance health. Labels. 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. enable-remote-write-receiver instead. It's a great post with flowcharts that makes it easier to digest Mar 12, 2024 · 2. io/scheme`: If the metrics endpoint is secured then you will need # to set this to `https` & most likely set the `tls_config` of the scrape Sep 3, 2019 · # # The relabeling allows the actual service scrape endpoint to be configured # via the following annotations: # # * `prometheus. This guide describes several techniques you can use to reduce your Prometheus metrics usage on Grafana Cloud. These labels are considered internal and are dropped before relabeling rules from a prometheus. Combine two label values of a scraped series into a single label (or vice versa). regex: __meta_kubernetes_service_label_(. port: 28080. 0 See prometheus/prometheus#11564, prometheus/prometheus#11556 and prometheus/prometheus#3756 Side note: It's a pity that Prometheus developers decided inventing `keepequal` and `dropequal` relabeling actions instead of adding support for `keep_if_equal` and `drop_if Relabel Prometheus metrics to reduce usage. Oct 6, 2020 · It is not a meta label but extracted by Cadvisor from the Docker labels. Jan 31, 2021 · Prometheus Relabeling. Now, I tried to use Prometheus' "target relabeling", and create a label that its value is the Docker container's image name, without a tag. record: <string>. # evaluated at the current time, and the result recorded as a new set of. 0. Prometheus relabeling on Digitalocean. What labeled objects can be modified and filtered using relabeling rules, How to interpret and take advantage of hidden metadata labels during relabeling, How to write specific relabeling rules to achieve different goals. TargetLabels transfers labels on the Kubernetes Service onto the target. scrape_interval: 60s. Hot Network Questions Jobs and instances. I've seen countless issues regarding labels and relabeling: Customize relabel configs? #242; Customize relabel configs #1166; Ability to add custom relabeling to prometheus configuration #1548; Adding additional relabeling rules to alert_relabel_configs: #1805; And I'm not sure if my case fits into those or not. Jun 27, 2017 · This post explains how you can use Prometheus relabeling configuration to manipulate metrics to keep your storage clean and not pollute it with unnecessary data. If prometheus is running within lxd then it will continue running after migration to incus, with all the existing data intact. This component performs three main functions: Discover PodMonitor resources from your Kubernetes cluster. 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. A collection of instances with the same purpose, a process replicated for scalability or reliability for example, is called a job. Prometheus can control the labels in two main phases: Relabeling (happens before scrape takes place) Metric relabeling (happens after scrape, for each collected metric) It’s also possible to change labels when alerting and in remote write, but we will not look at those here. " However, it seems in my setup, pods with containerports have their address label converted as expected, but those without containerports are left "portless". *) targetLabel: teamname. By using relabeling, you can reduce the cardinality of your metrics, which can help improve performance and resource usage. Oct 8, 2021 · Relabeling 是作为一系列转换步骤实现的，我们可以在 Prometheus 的配置文件中应用这些步骤来过滤或修改标记对象，我们可以对一下类型的标记对象应用 Relabeling 操作：. mydomain. Before applying these techniques, ensure that you’re deduplicating any samples sent from high-availability Prometheus clusters. What did you expect to see? The "__param_match[]" populate from value from consul tag "param" Mar 15, 2017 · 709405c. The URL for the Prometheus API with the data where the rule will be backfilled from. Aug 2, 2023 · Prometheus also provides a query language called PromQL, which allows you to perform complex queries and aggregations on your metrics data. Dec 14, 2021 · What you actually need to use is metric_relabel_configs. Use --web. The above tags are available as a comma separated list in __meta_consul_tags that can be used for relabeling. I wanted to create a Grafana dashboard and corresponding Prometheus alerts to catch when those nodes expected There is an issue commonly faced when relabeling and using labels that start with __ (double underscore). Instead of using an Ops Agent processor, any metrics processing is done by using the relabel_configs and metric_relabel_configs sections of the scape config, as specified in the Sep 29, 2021 · If a relabeling step needs to store a label value only temporarily (as the input to a subsequent relabeling step), use the __tmp label name prefix. action: drop. +) replacement: 'k8s_$1'. based on kubernetes_sd annotations) Aug 29, 2018 Prometheus的Relabeling机制¶. Requirements - Baseline configuration for Prometheus. + labels are retrieved by relabel_configs. In this video, I explain the concept of relabeling in Prometheus, a powerful tool for filtering and transforming your flows of labeled objects in the Prometh May 30, 2022 · This is a quick demonstration on how to use prometheus relabel configs, when you have scenarios for when example, you want to use a part of your hostname and assign it to a prometheus label. Scrape metrics from those Pods, and forward them Jun 3, 2019 · これを書いていて気付きましたが Prometheus の Targets ページ (/targets) で label にポインタを乗せると Before relabeling という情報が表示される. If you run uname -n you'll see a machine's nodename, and this is something that'd be useful to have as part of your instance label. answered Apr 27, 2022 at 8:41. Jan 17, 2019 · Prometheus allows renaming labels in the following places: During metric scrape. 通过服务发现的方式，管理员可以在不重启Prometheus服务的情况下动态的发现需要监控的Target实例信息。. 17. In this video, I explain the concept of relabeling in Prometheus, a powerful tool for filtering and transforming your flows of labeled objects in the Prometh VictoriaMetrics and vmagent support Prometheus-compatible relabeling with additional enhancements. As a final touch, you can replace the instance name with the tag name so, for example, all instances of QA are labeled as QA. This is due to a missing value in the following or conditional: Feb 21, 2018 · This change ensures that the relabeling configurations using labelmap can't generate invalid label names. . Requirements - Starting services on 8080. The following snippet drops any metric which name (__name__) matches the regex container_tasks Dec 27, 2017 · # # The relabeling allows the actual service scrape endpoint to be configured # via the following annotations: # # * `prometheus. The relabeling is mostly used for the following tasks: Dropping unneeded scrape targets during service discovery. Requirements - Setting up for lab. The rule blocks are applied to the Sep 24, 2018 · Sorry again for the n00b question. I would like to employ Prometheus' relabeling for adding a label hostname, which should be a more concise version of instance as provided by targets. The simplest way of doing this is by using functionality provided with client_python itself - see documentation here. It doesn't work, for some reason, showing no errors when running on debug log level. Here is what that part of my config looks like: - job_name: cadvisor. valyala valyala. 在Prometheus所有的Target实例中，都包含一些默认的Metadata标签信息。可以通过Prometheus UI的Targets页面中查看这些实例的Metadata标签的内容： 默认情况下，当Prometheus加载Target实例完成后，这些Target时候都会包含一些默认的标签： Apr 1, 2024 · Relabeling in Prometheus is a powerful tool that allows you to classify and filter targets and metrics. See examples below. 導入時に躓いた話 Before relabeling: __address__="10. In this case you need to add the following relabeling rules into metric_relabel_configs section at the corresponding scrape_config: metric_relabel_configs: - source_labels: [__name__, name] regex: "node_systemd_unit_state;(. ) In both relabel_configs and metric_relabel_configs some real-world examples would go a long way. Nov 30, 2021 · Changes made in #1520, which ensure alignment with Prometheus labeling conventions, have caused issues in cases where a resource is publishing metrics about another resource. If no rules are defined, then the input targets are exported as-is. candlerb (Brian Candler) April 1, 2024, 4:13pm 2. podmonitors discovers PodMonitor resources in your kubernetes cluster and scrapes the targets they reference. (In fact, relabel_configs doesn't even have a paragraph. 15. Because the Prometheus Operator already allows running HA pairs of Prometheus and drops the uniquely identifying external labels. access_key: value. Nov 3, 2021 · I've tried the following configuration, but it applied always team=devops: alert_relabel_configs: - target_label: team. secret_key: value. ec2_sd_configs: - region: eu-central-1. In both cases, you need to have a regex that matches the content of topic label and extracts what you need. apiVersion: 服务发现与Relabeling. One example is kube-state-metrics, which publishes metrics about other kubernetes resources with labels respecting the convention, however prometheus overwrites these with Oct 20, 2022 · Reducing Prometheus metrics usage with relabeling; Reduce labels. Aug 29, 2018 · frittentheke changed the title Allow scrape_timeout to be configured via relabeling (i. Remove a replica label from alerts sent to the Alertmanager (so that identical alerts sent from a highly available Prometheus server pair can be deduplicated in the Alertmanager). scrape_timeout: 15s. For instance, when __address__ has been set to myhost. yml 에서의 rule 정의를 통한 데이터 재정의 저장된 데이터가 많아질수록 쿼리의 처리 속도는 느려지기 마련인데, 이를 보완하기 위한 방법으로 프로메테우스는 recording rule이라는 기능을 제공하고 있다. Mar 3, 2016 · The documentation for relabel_config is very clinical and hard to understand. relabel is to filter targets or standardize the target label set that is passed to a downstream component. Nov 24, 2021 · You can debug Prometheus relabeling rules at this page. 所有这些 relabeling 配置块都是相同类型的 relabel_config ，每个配置块都由一个规则列表组成 May 27, 2020 · Relabelings refer to the labels that a target ends up having, this happens when Prometheus discovers your targets (so we often refer to this as “at discovery time”). Learn Prometheus in the most effective way with online trainings by PromLabs. 342:8303'] labels: job: 'test'. More details can be found here. For Prometheus to collect this metric we need our application to run an HTTP server and expose our metrics there. 27. Targets are scraped and all target labels are added to the metrics scraped from that target. ), every k8s cluster have installed prometheus, now the mon cluster is the Top cluster and it federate from other cluster metics, the mon cluster prometheus servicemonitor looks like this: ser Apr 18, 2018 · The machine knows its own name, couldn't Prometheus use it? This is a not uncommon question about Prometheus and service discovery. io/scheme`: If the metrics endpoint is secured then you will need # to set this to `https` & most Aug 13, 2021 · According to Prometheus documentation: "If a container has no specified ports, a port-free target per container is created for manually adding a port via relabeling. If no rules are defined or applicable to some metrics, then those metrics are forwarded as-is to each receiver passed in the component’s arguments. __meta. replacement: devops. Jun 21, 2017 · Relabeling/Keeping in Prometheus. Nov 15, 2023 · Prometheus is an open-source monitoring and alerting tool widely used to collect and analyze metrics from various systems and applications. Requirements - Starting services on 8088. It is based on the originally scraped image label. You should now be able to explain the concepts behind relabeling rules and write relabeling rules for different purposes. I also found there is targetLabels. Jul 7, 2022 · For example, I have teo metrics with different label. Metric relabeling is as you noted correctly done after the target’s labels have May 30, 2022 · This is a quick demonstration on how to use prometheus relabel configs, when you have scenarios for when example, you want to use a part of your hostname and assign it to a prometheus label. Individual organizations may want to approach some of these practices, e. beorn7 closed this as completed in #709 on Apr 14, 2017. Aug 17, 2023 · I have Prometheus configured to scrape metrics from an ec2 instance. The perfect solution seems to be something like this: relabel_configs: - source_labels: - '__meta_ec2_tag_ (. Prometheus relabeling configuration: separator: ','. We can extract the <labelname> part of those metadata labels and map the corresponding label values over to a new set of label names that start with a k8s_ prefix, like this: action: labelmap. inc() With this simple code Prometheus client library will create a single metric. Prometheus Operator already does an awesome "automagic" with relabeling, but lack of ability to make any customization — is it good or bad? For now, Prometheus Operator adds following labels automatically: endpoint, instance, namespace, pod, and service. The time to start backfilling the new rule from. In my homelab, some nodes are expected to be running 24x7 (e. This relabeling step happens after Prometheus has retrieved data from an exporter, but before data is actually saved into the database. This rule goes in the metricRelabeling section of your PodMonitoring or ClusterPodMonitoring resource. One powerful feature that Prometheus offers is relabeling of metrics, which allows you to modify and transform metric labels before they are stored or displayed. node_metrics_first{foo="bar",AAA="aaa"} node_metrics_second{BBB="bbb",CCC="ccc"} how can I use relabeling/metricRelabeling drop/labeldrop in servicemonitor to remove foo label in node_metrics_first, which means I should get the result: Nov 15, 2015 · I use Prometheus, together with cAdvisor to monitor my environment. naming conventions, differently. # The PromQL expression to evaluate. Metric names. By utilizing this functionality, you can modify metric labels to suit Aug 31, 2023 · Making a Prometheus server highly available for monitoring and alerting is simple: just run multiple Prometheus server instances with an identical configuration. Here's an example: metric_relabel_configs: - source_labels: [__name__] regex: my_useless_metric. I'm not sure your specific use case actually requires it (that said I think there are still cases). Author. In this guide I help demystify the often misunderstood relabel_configs and metric_relabel_configs in Prometheus to better monitor your website and APIs. Jul 24, 2023 · Prometheus relabelling to get rid of port number. Base units. Apr 3, 2021 · Using Prometheus Relabeling to Attach Custom Metadata. Assignees. operator. Dropping metrics. tz jw dk ul fc oi xo bx gq do