Prometheus relabel regex example.
Prometheus relabel regex example expression needs to be a Go RE2 regex string. Here’s a complete example with a sample job: Aug 20, 2021 · In Prometheus, I see that the endpoint is scraped, and the endpoint contains the fccid parameter. * action: drop Configuration example. relabel; Add a prometheus. Nov 24, 2021 · For some reason, my Pod in k8s could possibly labeled with syscode or cib_syscode, how can I relabel both of them to cib_syscode? That is to say if pod labeled with one of them, choose its label va Nov 1, 2016 · This is great - we want to monitor these guys with Prometheus. Unfortunately there is some degree of inconsistency in the exact format of Interface descriptions, so regex-like matching is required to pick out just the ServiceID. In those cases, exported fields retain their last healthy values. Example: # This is a comment Regular expressions. These are described in detail in the expression language functions page. 3005. In this case, it will drop all metric data points coming out of Prometheus via remote write. Aug 24, 2023 · 关于metric_relabel_configs的完整使用，请参见Prometheus官方文档。本文通过示例，简要介绍使用metric_relabel_configs的典型场景：Prometheus官方文档删除不需要的指标增加指定标签删除不需要的标签删除不需要的指标典型配置示例如下：scrape_c Relabel metrics. In this example, ([^:]+). They form the foundation of Prometheus's dimensional data model, allowing for the creation of multi-dimensional time series data. The replace action substitutes a target label's value with a replacement value if the source label values match the regex. Dec 9, 2024 · The regex field allows you to match and extract specific parts of label values using a RE2-compatible regular expression. . discovery. See this article for details. 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： 实例的Metadata信息 Oct 2, 2023 · Is there no way to create a default config for all jobs? No, there is no such way. This week we released Prometheus v0. In this article you'll continue your journey with relabeling metrics in Prometheus. instance-id. 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. 👍 2 seravat and dellnoantechnp reacted with thumbs up emoji All reactions Apr 22, 2022 · 这两种方法都是通过Prometheus的metric过滤和重新标记功能实现的relabel_config。这里你可以使用正则表达式过滤系列标签并保留或删除匹配的标签。 接下来，我们开始深入了解下Prometheus中的relabel的4种方式，应用范围和工作时段，以及它是如何relabel_config操作的。 Jul 17, 2020 · While reading Prometheus Configuration documentation and some sample scrape configurations, I found some kubernetes_sd_configs with role service & role endpoints & role pod - job_name: kube Oct 19, 2021 · The problem is that relabel_configs contain relabel configurations that should be applied before scraping. otherstuff, and I need to give them the Jul 12, 2020 · Relabel概述 relabel顾名思义，就是标签重写，可以允许用户重写标签或者针对标签做一些过滤操作，Prometheus中的relabel有如下三种，应用范围和工作时段不一样，这里主要介绍relabel_config: relabel_config在被prometheus抓取之前修改，针对的是target metric_relabel_configs在被prometheus存储之前修改，针对的是Metric alert The regex parameter specifies a regular expression to apply to the source label. Environment AWS. However, It is possible to add an additional label and use the regex in the relabel config of prometheus to get a label to group. Important notes: Sep 2, 2022 · instance_identifier. Getting started with managing your metrics, logs, and traces using Grafana Aug 14, 2024 · Hi all, I am trying to understand the following configuration, in particular discovery. Use case examples. global: # 抓取间隔 [ scrape_interval: <duration> | default = 1m ] # 抓取超时时间 [ scrape_timeout: <duration> | default = 10s ] # 评估规则间隔 Jul 8, 2022 · above example, default relabel adds container label with service monitor name. So, type_group will contain values, such as type1 and type2 ($1 refers to the regex group to pull). None of the four configmaps exist by default in the cluster when Managed Prometheus is enabled. Mar 21, 2022 · •当你想忽略一个子集的应用程序时；使用relabel_config•当在多个 Prometheus 服务器之间分割目标时；使用relabel_config + hashmod•当你想忽略一个高 cardinality 度量的子集时；使用metric_relabel_config•当向不同的端点发送不同的度量时；使用write_relabel_config Sep 28, 2021 · Introduction#. The app label must have the value example-application. It offers a range of configuration options which can be tweaked to suit any use case. relabel. relabel component rewrites the label set of each metric passed along to the exported receiver by applying one or more relabeling rules. A useful thing to do when using horizontal sharding of Prometheus instances. The label name is left as is if the regex doesn’t match it. For example I will have abc-def01. *’) modulus; replacement (default ‘$1’) action (default ‘replace’) Some of these elements have defaults, others are required based on the value of the action element. Prometheus Operator version: Kubernetes version information: kubernetes 1. Prometheus uses time series databases to store numeric metrics. The scrape interval is the time between each scrape of a target. yaml can be a big pain. regex, replacement, action, labelmap 등이 함께 섞여 이해 replacement: 127. # honor_labels controls how Prometheus handles conflicts between labels that are # already present in scraped data and labels that Prometheus would attach # server-side (“job” and “instance” labels, manually configured target # labels, and labels generated by Dec 11, 2024 · Your suggested regex workedthank you for the help. Some of the metrics which the Node Exporters exports have a mountpoint label. Once a relabeling step decides to drop a labeled object, no further relabeling steps are executed for this object and it is deleted from the output list (for example, for a target Nov 9, 2022 · @juliusv I think if you "premassage" the regex it could work. Optional: prometheus. – Jun 3, 2017 · Incorrect understanding. Jul 1, 2022 · Using regular expressions in Prometheus relabel_configs source_labels. remote_write component. Use case examples You signed in with another tab or window. *server"} To select all HTTP status codes except 4xx ones, you could run: http_requests_total{status!~"4. I am currently using loki. A regex query in Grafana. *)", matching any source_labels. Here's an example: metric_relabel_configs: - source_labels: [__name__] regex: my_useless_metric. *" node_cpu_seconds_total{instance=~". The regex option can contain arbitrary regular expression in RE2 format. Blackbox-icmp 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 You signed in with another tab or window. remember that results of your modifications should result in unique labels sets. 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. You signed out in another tab or window. Attempts such as the following do not work: relabel_configs: - source_labels: [node_exporter_port] regex: (. The resulting Jan 2, 2025 · Let us dig into this confirmation a bit. Using regex to only return some of the Loki Label values. This example uses the default ports. Here’s how to set it up: Example Configuration discovery. Ensure that you replace host and port values as well as the Basic Authentication credentials with your own values. It keeps only those labels that match. Regex matches are always fully anchored. io" If there is a match, it extracts the values of any regular expression capturing groups (see the RE2 regular expression documentation) and substitutes any reference ($1, $2, ) to these groups in the replacement string with their values. * matches any text. relabel component to your pipeline. Every capture group (re) will be set into the extracted map, every capture group must be named: (?P<name>re). + action: keep When we deployed our cadvisor, we have added a label prometheus-job=cadvisor. 8. Jun 28, 2024 · label_replace(v instant-vector, dst_label string, replacement string, src_label string, regex string) # 我自己的理解 label_replace(Query, 新的 label, regular expression 取出的字串 index, 要擷取的 label, 針對要擷取 label 的 value 要做的 regular expression) 因此下面範例轉換. relabel and prometheus. To do this, configure remote-write with the write_relabel_configs parameter with a subparameter action value of keep or deny. relabel component is commonly used to filter Prometheus metrics or standardize the label set passed to one or more downstream receivers. May 26, 2021 · prometheus配置详解. The discovery. Note: This component is currently work in progress. relabel discovery. prometheus 配置文件主体 # 此片段指定的是prometheus的全局配置， 比如采集间隔，抓取超时时间等. relabel; Before moving on to logs, let’s look at how we can use the prometheus. While the command-line flags configure immutable system parameters (such as storage locations, amount of data to keep on disk and in memory, etc. Jun 18, 2021 · Right now I'm scraping metrics from a Node Exporter. The labeldrop action works like labelkeep, but drops a label rather than keeping it. loki_relabel_cache_hits (counter): Total number of cache hits. May 5, 2023 · relabel顾名思义，就是标签重写，可以允许用户重写标签或者针对标签做一些过滤操作，Prometheus中的relabel有如下三种，应用范围和工作时段不一样，这里主要介绍relabel_config: relabel_config 在被prometheus抓取之前修改，针对的是target Jun 1, 2015 · Advanced Service Discovery in Prometheus 0. You can refer to the discovery. For each timeseries in v, label_replace(v instant-vector, dst_label string, replacement string, src_label string, regex string) matches the regular expression regex against the value of the label src_label. To review, open the file in an editor that reveals hidden Unicode characters. It prevents monitoring tasks that should be shut down. Reload to refresh your session. Dropping Metrics by Name The regular expression specifies which metrics to drop. Mar 11, 2018 · While it'd be best to fix the metrics, the next best thing is to use metric_relabel_configs using the same technique as this blog post: metric_relabel_configs: - source_labels: [index] regex: 'project\. This relabeling step happens after Prometheus has retrieved data from an exporter, but before data is actually saved into the database. Alternatively, you can use action: drop to drop all of the metrics that match the regular expression. To limit which metrics with these labels are affected, you must include some value for regex. up取得 metrics "instance"取出 Hello, I am playing around with Prometheus. We’ll also explore service discovery methods and external tools to handle relabeling dynamically. "} Subquery Sep 26, 2019 · relabel_config 重新标记是一个功能强大的工具，可以在目标的标签集被抓取之前重写它，每个采集配置可以配置多个重写标签设置，并按照配置的顺序来应用于每个目标的标签集。 目标重新标签之后，以__开头的标签将从标签集中删除的。 如果使用只需要临时的存储临时标签值的，可以使用_tmp作为 prometheus. before applying regex, string would be first split on separator (otherwise what is its purpose?), Prometheus is configured via command-line flags and a configuration file. job_one only scrapes metric_one and job_two only scrapes metric_one, but the Prometheus service discovery does not work properly with job_two and heath-check status is shown unknown and sometimes it doesn't appear at all when I run up in Prometheus console. i-rewq873. 接下来，我们将学习如何通过Prometheus强大的Relabel机制来实现以上这些具体的目标。 Prometheus的Relabeling机制. For example a[b]-> a\\[b\\]. *abc. i-abc123. It allows users to query these metrics using a flexible query language that supports regular expressions (regex). If there is no match, the object is removed from the final output list. syslog to collect syslogs and write them to loki. In out example, we only keep the targets that should be running. source. Aug 28, 2019 · Prometheus relabel configs are notoriously badly documented, so here’s how to do something simple that I couldn’t find documented anywhere: How to add a label to all metrics coming from a specific scrape target. On the other hand, if all 20 of your jobs have exactly the same relabeling config, you might consider using a single job and additional labels for distinction (I assume you distinct right now by job label): prometheus. Example Configuration. For example, to keep targets where "env" equals "dev" and "team" equals "marketing": scrape_configs: - job_name: example relabel_configs: - source_labels: [env, team] regex: dev;marketing action: keep Nov 18, 2024 · You can directly use the captured value from the regex. ⚠️ Warning. The relabeling rule can be simplified with if condition when using VictoriaMetrics - Prometheus-like monitoring solution I work on: - if: "{__name__=~'test_. Dec 3, 2019 · Prometheus automatically anchors regex, so you need to add an additional “. *"} Basically i want my regex to be compared with all label values . metrics_service. test. *) target_label: __address__ replacement: [__address__]:${1} EDIT: The following seems to work: It tests whether the regular expression in regex matches the concatenated string from the previous step. I want to set targetLabels in Service monitor like key value map so it appears in the Prometheus metrics. local and test_2. I recently had to implement monitoring for some APIs, each expecting a different content bod Oct 16, 2024 · Examples of Dropping Metrics in Prometheus a. Jun 13, 2022 · relabel_configs: - source_labels: [path] regex: "test/name/([^/]*). The default scrape interval is 15 Nov 18, 2024 · To configure Prometheus to use different scrape URLs for each target, you can leverage the relabel_configs section in your prometheus. Environment variable expansions and Prometheus relabel rule (opens in a new tab) regular expression capture group references can use the same syntax. We do a thorough break down of these powerful configuration blocks with practical, real world examples. Object labels: __address__: "https://prometheus. See the Design for additional information on this receiver. loki_relabel_entries_processed (counter): Total number of log entries processed. receiver] } The prometheus. In this example, you'll only send the metrics that match the regular expression. Example. This tells Prometheus that you want to do some action against metrics with these labels. I'm trying to get parts of the hostname into their own labels with: 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. Say if my labels in prometheus are instance, cpu, mode for the query node_cpu_seconds_total, i want to do an operation like, input = ". 1. On the user side, Prometheus now supports new service discovery mechanisms. otherstuff and abc-def03. relabel is used to clean up the Postgres instance label: Nov 18, 2019 · You need to use the Prometheus "relabel_config" feature, for example, you can change all different instance labels to just "example". - source_labels: [__meta_dockerswarm_service_label_prometheus_job] regex: . // Remember, there are default values for each item if it's missing. is a user error, . +'}" action: labeldrop regex: url_rule See these docs for details. Prometheus (metric) relabel config with inverse regex match / negative lookahead. coreos Dec 5, 2018 · Though I don't think it solves the problem for the OP, I came across this question as the title is similar to what I was stuck on. My incorrect understanding was:. Recommended reading. For example, to only write metrics with names metric1 and metric2, you can do: write_relabel_configs: - source_labels: ["__name__"] regex: "^metric1$|^metric2$" action: keep This guide describes some specific methods you can use to control your usage when shipping Prometheus metrics from a Kubernetes cluster. Scrape Interval. A subset of network interfaces are used for Services, which have a well-known regex pattern. From the Prometheus Configuration documentation we read about what honor_labels does. The regex is automatically anchored to the beginning and the end of the matching string, so there is no need in specifying ^ and $ anchors in the regex. For example, ${1} is valid in both contexts. PromQL supports line comments that start with #. 0 — a version with many long-awaited additions and improvements. *' replacement: '${1}' target_label: project You will then have a project label that you can use as usual. May 16, 2022 · Please note that you must use metric_relabel_configs instead of relabel_configs if you want apply relabeling on the collected metrics. The drop action works like keep, but drops an object rather than keeping it. I'm trying different things since yesterday (labelkeep, keep, replace, labelmap, relabel_configs) and nothing worked. relabel component is very similar to the prometheus. Please find below an example from other exporter // For all the confusing Prometheus configuration and // regular expressions, // explained in examples. I did a little cleanup of the regex pattern and used the @ separator instead of :. For example, the following relabeling rule drops all the label names starting with foo : - action: labeldrop In this guide I help demystify the often misunderstood relabel_configs and metric_relabel_configs in Prometheus to better monitor your website and APIs. relabel does not expose any component-specific debug information. Anything else we need to know?: this relabel rule introduced in this PR #3315 For example, if the size label is unnecessary, you can remove it using the labeldrop action: scrape_configs: - job_name: "prometheus" static_configs: - targets: ["localhost:9090"] - job_name: "nodes" relabel_configs: - regex: size action: labeldrop file_sd_configs: - files: - file-sd. It is automatically anchored, so it must match the whole label name. Let's look at an example use case for the labelmap action. The default is "(. Depending on what needs to be customized, you need to deploy any or all of these four configmaps with the same name specified, in kube-system namespace. Using a standard prometheus config to scrape two targets: evaluation_interval: 15s. yml file. 0. The regex option is applied to every label name in the target. * captures everything before the colon (typically the hostname or IP). You can do that by clicking on the little Docker whale in menu bar and then on Preferences->File Sharing->+. json Feb 13, 2024 · Previously, I shared an introduction to Prometheus, installing Prometheus, an introduction to the query language, exploring basic queries, and using advanced queries as free online worksop labs. operator. When first learning about relabel configs in Prometheus you will encounter many examples that looks something like this: Sep 23, 2024 · Methods to Relabel Instance to Hostname in Prometheus. The following is an example of a Prometheus configuration YAML. You can use this example as a template and make changes as necessary. The name of the capture group will be used as the key in the extracted map. http to send targets and custom labels to Jun 15, 2023 · Previously, I shared an introduction to Prometheus, installing Prometheus, an introduction to the query language, exploring basic queries, and using advanced queries as free online worksop labs. * component, but they are enumerated here to help clarify the example. Sep 14, 2022 · Then Prometheus drops labels with empty values after the relabeling. I guess I wasn't thinking things all the way through. // Regexp interpolation is allowed for the replace action. I'd like to drop time series that have this label and do not match a regular expression. monitoring; prometheus; “$1” is regex for using the string in new label name, don’t change this Jul 31, 2018 · I have the exact same problem and didn't find a solution do do this in this stage (I guess it is not possible). relabel "metrics_integrations_integrations_rclone" { targets = [{ __address__ = "localh… Sep 20, 2023 · please notice, that last parameter for label_replace is a regex, and thus you might need to escape symbols with special meaning in regex before use. 0 Posted at: June 1, 2015 by Fabian Reinartz, Julius Volz. Feb 13, 2022 · This Prometheus config tries to run two different scrape jobs on same host. 1:9115 # Blackbox exporter address. Oct 13, 2016 · In Prometheus configuration, I'd like to relabel_configs so that the value of __address__ is the current value of address plus the port. * and it will include all metrics. Although you haven’t used it before, you can use a discovery. e you cannot use the value of other labels. In practice, the targets slice will come from another discovery. It works by matching against the combined value extracted from the source_labels (joined by the separator, if used). relabel component allows you to perform Prometheus relabeling on metrics and is similar to the relabel_configs section of a Prometheus scrape config. *" or cpu=~". 第二节 Prometheus Relabeling 重新标记的使用. *) target_label: environment replacement: production See full list on grafana. So, in your case the regex should look like regex: ". 21. *" target_label: "name" Note that the regex is defined with a string here, not a regex literal, so the first / is erroneous here. It has several limitations and please don't use it if the following limitations is a concern: 修改prometheus-inst. Modulus uint64 `yaml:"modulus,omitempty"` // TargetLabel is the label to which the resulting string is written in a replacement. Jul 20, 2017 · regex (default ‘. yaml中Prometheus的定义如下所示： The replacement string may contain regex capture group references ($1, $2, ) to insert extracted parts of the original label name into the destination label name. relabel component applies relabel rules to the incoming targets. But the parameter is not written/kept as label. Add a prometheus. The modulus field contains the modulus to take off a hash of the concatenated source_labels. Anyone can say that you can use honor_labels, or temporal label for further rewriting but it is all dirty hacks you should avoid. relabel doesn’t expose any component-specific debug metrics. GitHub Gist: instantly share code, notes, and snippets. Jun 12, 2023 · prometheus. How does one replace ports received from Consul to something else? I know this is possible with Prometheus relabel_configs but I've yet to successfully configure it. Sep 17, 2022 · 本文将结合实际使用经验，将 relabel 的使用场景做一个总结。 relabel 字面意思是指对标签进行赋值操作。采集点通过 metrics 接口将数据暴露给 Prometheus, Prometheus 将抓取的数据存储到时许数据库之前，将执行 relabel 操作。 常见用法# relabel 常见的用法有 5 种： 添加 Feb 2, 2021 · Relabel概述 relabel顾名思义，就是标签重写，可以允许用户重写标签或者针对标签做一些过滤操作，Prometheus中的relabel有如下三种，应用范围和工作时段不一样，这里主要介绍relabel_config: relabel_config在被prometheus抓取之前修改，针对的是target metric_relabel_configs在被prometheus存储之前修改，针对的是Metric alert Sep 28, 2021 · Prometheus的relabel_configs： promethues的relabeling（重新修改标签）功能很强大，它能够在抓取到目标实例之前把目标实例的元数据标签动态重新修改，动态添加或者覆盖标签 prometheus加载target成功之后，在Target实例中，都包含一些Metadata标签信息，默认的标签有 Jul 4, 2021 · relabel_config 重新标记是一个功能强大的工具，可以在目标的标签集被抓取之前重写它，每个采集配置可以配置多个重写标签设置，并按照配置的顺序来应用于每个目标的标签集。 目标重新标签之后，以__开头的标签将从标签集中删除的。 如果使用只需要临时的存储临时标签值的，可以使用_tmp作为 Jan 5, 2021 · Manually Managing list of targets in prometheus yaml file can be irritating over a period of time and if you have a huge infra with n number of micro-services and servers which come and go on routine basis, then manually managing the static list of targets in prometheus. Use cases: Drop unnecessary relabel_config和metric_relabel_configs常用配置 relabel_configs . yml is. relabel component allows you to perform Prometheus relabeling on metrics and is similar to the relabel_configs section of a Prometheus scrape configuration. In this article you’ll continue your journey with relabeling metrics in Prometheus. You switched accounts on another tab or window. Feb 24, 2020 · I want to do a filter in prometheus based on all labels. "} Subquery Sep 26, 2019 · relabel_config 重新标记是一个功能强大的工具，可以在目标的标签集被抓取之前重写它，每个采集配置可以配置多个重写标签设置，并按照配置的顺序来应用于每个目标的标签集。 目标重新标签之后，以__开头的标签将从标签集中删除的。 如果使用只需要临时的存储临时标签值的，可以使用_tmp作为 Mar 10, 2025 · Note. +/health". 2. Since you already have a relabel_configs section maybe you can generate the OriginId directly from the relabeling step? labelmap: Copy labels matching a regex to a new name; drop: Drop metrics that match a regex; keep: Keep only metrics that match a regex; Example Usage: In the infrastructure observability pipeline, prometheus. Nov 9, 2022 · @juliusv I think if you "premassage" the regex it could work. The replacement parameter specifies the replacement string. Let's look at some example use cases for the labelkeep action. relabel_configs用于在Prometheus从目标抓取数据时，重新定义和调整标签。它在数据被抓取并被存储之前生效，主要用于动态发现目标和调整标签格式。 Jan 17, 2019 · That's why I can't use relabel config across the job. (The most notab Apr 25, 2020 · Relabel概述 relabel顾名思义，就是标签重写，可以允许用户重写标签或者针对标签做一些过滤操作，Prometheus中的relabel有如下三种，应用范围和工作时段不一样，这里主要介绍relabel_config: relabel_config在被prometheus抓取之前修改，针对的是target metric_relabel_configs在被prometheus存储之前修改，针对的是Metric alert By default, Prometheus joins these values with a semicolon. Dec 21, 2022 · Using regular expressions in Prometheus relabel_configs source_labels. yaml中Prometheus的定义如下所示： 为了能够让Prometheus关联到ServiceMonitor，需要在Pormtheus定义中使用serviceMonitorSelector，我们可以通过标签选择当前Prometheus需要监控的ServiceMonitor对象。修改prometheus-inst. Prometheus labels are key-value pairs attached to metrics that provide additional context and characterization. Sep 10, 2024 · Understanding Prometheus Regex Query Mismatches. All regular expressions in Prometheus use RE2 syntax. RE2 regexp's don't support backreferences: RE2 disallows PCRE features that cannot be implemented efficiently using automata. The prometheus. Using regular expressions, you could select time series only for jobs whose name match a certain pattern, in this case, all jobs that end with server: http_requests_total{job=~". relabel "filter_metrics" { rule { action = "drop" source_labels = ["env"] regex = "dev" } forward_to = [prometheus. We have a lot of servers and those servers are all in a datacenter, are in a datacenter area and have a function. If that is a possible solution for you, I can post an answer how to do this. Jan 7, 2019 · The example configuration demonstrates how to use Prometheus relabel configs to pass multiple targets to one blackbox_exporter. Mapping Kubernetes service labels. apiVersion: monitoring. 0. The perfect solution seems to be something like this: Nov 6, 2023 · Examples of Prometheus Relabel Action 1. It stores the regex-substituted replacement string as the new value for the label provided as target_label. 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. Aug 9, 2019 · kind: Service apiVersion: v1 metadata: name: example-application labels: app: example-application spec: selector: app: example-application ports: - name: backend port: 8080 This Service object is discovered by a ServiceMonitor, which selects in the same way. I am new to Grafana Alloy and Loki! I need to monitor syslogs accross my network. The most common approach is using relabel_configs in the Prometheus configuration file. May 15, 2019 · Following up to @Maklaus answer to their question above, the keep action of write_relabel_configs can be used to only write certain metrics. The action parameter specifies the action to take when the regular expression matches. How can I apply custom labels based on the ip_address sending the syslog? I have used discovery. 8. Minimal examples of two natural numbers whose average is a perfect square and product is It matches the regular expression in regex against all label names. relabel is only reported as unhealthy when given an invalid configuration. The following example discovers all PodMonitors in your cluster, and forwards collected metrics to a prometheus. Dec 14, 2021 · What you actually need to use is metric_relabel_configs. remote_write. Prometheus Blackbox Exporter is a popular plugin to test http endpoints. relabel component to a basic pipeline and add labels. Gotchas To do this, configure remote-write with the write_relabel_configs parameter with a subparameter action value of keep or deny. Jun 22, 2023 · Proposal In a relabel_config, the regex field supports any valid RE2 regular expression (docs). local). loki_relabel_cache_size (gauge): Total size of relabel The regex field contains a regular expression to match against the list found in source_labels. ([^. relabel component, but it relabels discovered targets rather than metrics. Mar 9, 2020 · I'm trying to save the meta labels retrieved from EC2 Service Discovery as target labels. Oct 20, 2022 · I have a bunch of autodiscovered ec2 instances that form a bunch of clusters. otherstuff, abc-def02. Debug metrics. relabel does not expose any component-specific debug metrics. P. relabel documentation for more information. I think there was a mistake in my understanding of how labeling in prometheus works. service. By default this value is set to . If your relabel configuration uses Prometheus relabel rule regular expression capture group references, and they are in the ${1} format, escape the Dec 18, 2024 · Imagine situation if you decide to relabel metrics for single target, using file_sd it is impossible without hacks and overcomplicating things. g. Prometheus allows relabeling through different configurations. loki_relabel_entries_written (counter): Total number of log entries forwarded. podmonitors doesn’t expose any component-specific debug metrics. Naturally, __name__ is not available at this time because Prometheus has not scraped anything yet. 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. For example, you can change __address__, so that Prometheus will contact some another host instead of that given by service discovery. port. The problem is that Consul reports these nodes with port 8300, which is not the port we use to monitor targets. I do not think it would be a breaking change as if someone already had the literal text ${__foo} in their regex, it would be an invalid regex. However I have a use-case, which adds some extra icing to this cake: The official advice to add extra headers to a scrape request is to use a small prox Prometheus supports several functions to operate on data. This allows you to define specific scrape configurations per target. Debug information. loki_relabel_cache_misses (counter): Total number of cache misses. com Nov 5, 2020 · The name of the label to drop must be specified as a regular expression in regex. Example: - action: replace source_labels: [service] regex: (. relabel_configs are specified on the job level. Replace. Ask Question Asked 7 years, I used @ and then process it with regex. Search the regex for ${__identifier} from the list of all defined __ (loop through all __) and replace it in the regex. relabel component to relabel metrics. Mar 8, 2022 · 一、relabel简介 为了更好的识别监控指标，便于后期调用数据绘图、告警等需求，prometheus支持对发现的目标进行label修改，可以在目标被抓取之前动态重写目标的标签集。每个抓取配置可以配置多个重新标记步骤。它们按照它们在配置文件中出现的顺序应用于每个目标的标签集。 除了配置的每个目标 Jul 29, 2024 · What are Prometheus Labels: Understanding the Basics. Example Jul 11, 2024 · Hello!! I would first like to apologize for using the wrong terminology in my questions. local The instance identifier can either be a word or two words with underscores or a word and a number with an underscore (e. Prometheus Relabel Config Example. Two web search results (referenced below) hinted on using regexes to pass more than one parameter for each target. ]*)\. - role: pod metric_relabel_configs: - source_labels Mar 17, 2022 · static_labels only allows adding a static label to the label set, i. yml This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. It matches the result from step 1 against the provided regex. I tried with relabeling in service monitor but it didnt work. ), the configuration file defines everything related to scraping jobs and their instances, as well as which rule files to load. I had labels, eg: label_1="blue" and label_2="green" and I wanted to add a new label (label_3), using the value of label_2 with a regex match on label_1. Removing HA replica labels from alerts Regex Regexp `yaml:"regex,omitempty"` // Modulus to take of the hash of concatenated values from the source labels. S. I'd recommend using this service for debugging of Prometheus target relabeling. Next, *. Relabeling 重新标记是配置 Prometheus 元信息的方式，它是转换和过滤 Prometheus 中 label 标签对象的核心，本文我们将了解 Relabeling 规则的工作原理以及在不同场景中的应用方式。 Aug 16, 2022 · The default separator can be changed if needed via separator option in the relabel config. I used the regex I had as we have some static configs that use a similar regex to get the value before the ":" and I thought it would just be possible to reverse that. relabel은 의외로 프로메테우스에서 중요한 부분을 차지하는 것 같은데, 공식 문서에서는 relabel과 Meta Label의 자세한 사용 방법에 대해 일언반구도 없다는 것이다. relabel component to attach the container name as a label to the logs. Is the metric_relabel_configs not working for http_sd_configs? discovery. The following example shows how the discovery. Learn about prometheus. I am trying to add a label to all jobs that I have. 3000. If there is a match, the object is kept. *" or mode=~". For example sake: Pattern: /Z[0-9]{5}A/ Example ifAlias values: Z12345A Dec 15, 2019 · relabel에 대해 조사하면서 알게 된 것이 하나 있다. Unmatched metrics won't be sent. regex: This regex pattern is used to match the value of the instance label. If you want to drop a label with a particular value from the collected metric, then use the following relabeling rule at metric_relabel_configs section of the needed scrape_config: Jun 12, 2020 · How do I configure prometheus (currently using the coreos operator if that matters), to keep only app=foo and drop the label baz, so that I end up with: some_metric{app="foo"} For what it's worth, here's what I currently have and the labels are showing up as is: - action: keep sourceLabels: ["app"] regex: "foo" - action: labeldrop regex: "baz" Apr 18, 2018 · Relabel instance to hostname in Prometheus. – For example, a relabeling rule may keep or drop an object based on a regular expression match, may modify its labels, or may map a whole set of labels to another set. 14. Nov 4, 2023 · Proposal Yes, I know that there are 3 separate closed issues regarding this feature. Comments. Oct 29, 2022 · The regex should match the whole string, wchich is constructed from values of labels passed to source_labels list concatenated with the separator (by default it is set to ;). Notice that escapement is done with two backslashes. Kubernetes cluster kind: kops. 本文按照官方文档的相关内容整理整理的配置语法以及实现功能. *” at the end of your regex. NOTE: If you are using macOS you first need to allow the Docker daemon to access the directory in which your blackbox. example. Is there any May 13, 2025 · Receives metric data in Prometheus format. Jul 30, 2019 · Using regular expressions in Prometheus relabel_configs source_labels. Regex queries in Prometheus enable powerful filtering and aggregation of metrics based on label names and values. Jul 23, 2023 · Prometheus relabel重新打标 对target重新打标是在数据抓取之前动态重写target标签的强大工具，在每个数据抓取配置中，可以定义多个relabel步骤，它们将按照定义的顺序依次执行。 对于发现的每个target，Prometheus默认会执行如下操作： job的标签设定为其所属 Jun 12, 2023 · prometheus. gotvbb qyuud twqulfr lihdtdg bicnyy rur gdan cxwhltr afjnrcq uze