Linode APIv4. it was not set during relabeling. This role uses the private IPv4 address by default. changed with relabeling, as demonstrated in the Prometheus scaleway-sd See below for the configuration options for Scaleway discovery: Uyuni SD configurations allow retrieving scrape targets from managed systems configuration file, the Prometheus linode-sd It does so by replacing the labels for scraped data by regexes with relabel_configs. After relabeling, the instance label is set to the value of __address__ by default if * action: drop metric_relabel_configs After saving the config file switch to the terminal with your Prometheus docker container and stop it by pressing ctrl+C and start it again to reload the configuration by using the existing command. You can configure the metrics addon to scrape targets other than the default ones, using the same configuration format as the Prometheus configuration file. See below for the configuration options for PuppetDB discovery: See this example Prometheus configuration file The second relabeling rule adds {__keep="yes"} label to metrics with empty `mountpoint` label, e.g. tracing_config configures exporting traces from Prometheus to a tracing backend via the OTLP protocol. value is set to the specified default. Prometheus needs to know what to scrape, and that's where service discovery and relabel_configs come in. However, its usually best to explicitly define these for readability. Kuma SD configurations allow retrieving scrape target from the Kuma control plane. Customize relabel configs Issue #1166 prometheus-operator When custom scrape configuration fails to apply due to validation errors, default scrape configuration will continue to be used. To learn how to do this, please see Sending data from multiple high-availability Prometheus instances. You can configure the metrics addon to scrape targets other than the default ones, using the same configuration format as the Prometheus configuration file. The private IP address is used by default, but may be changed to Prometheus 30- For each endpoint With this, the node_memory_Active_bytes metric which contains only instance and job labels by default, gets an additional nodename label that you can use in the description field of Grafana. Dropping metrics at scrape time with Prometheus - Robust Perception Consul setups, the relevant address is in __meta_consul_service_address. It has the same configuration format and actions as target relabeling. The scrape intervals have to be set by customer in the correct format specified here, else the default value of 30 seconds will be applied to the corresponding targets. May 29, 2017. Prometheus To collect all metrics from default targets, in the configmap under default-targets-metrics-keep-list, set minimalingestionprofile to false. For each published port of a task, a single To learn more about Prometheus service discovery features, please see Configuration from the Prometheus docs. changed with relabeling, as demonstrated in the Prometheus linode-sd Counter: A counter metric always increases; Gauge: A gauge metric can increase or decrease; Histogram: A histogram metric can increase or descrease; Source . from the /metrics page) that you want to manipulate that's where metric_relabel_configs applies. Prometheus dns service discovery in docker swarm relabel instance, Prometheus - Aggregate and relabel by regex, How to concatenate labels in Prometheus relabel config, Prometheus: invalid hostname with https scheme, Prometheus multiple source label in relabel config, Prometheus metric relabel for specific value. For each declared Configuring Prometheus targets with Consul | Backbeat Software Prometheuslabel_replace | by kameneko | penguin-lab | Medium Write Sign up Sign In 500 Apologies, but something went wrong on our end. Prometheus consul _Johngo So if you want to say scrape this type of machine but not that one, use relabel_configs. PDF Relabeling - PromCon EU 2022 The labelkeep and labeldrop actions allow for filtering the label set itself. Sign up for free now! If a task has no published ports, a target per task is The PromQL queries that power these dashboards and alerts reference a core set of important observability metrics. So now that we understand what the input is for the various relabel_config rules, how do we create one? Windows_exporter metric_relabel_config - Grafana Labs Community Forums Curated sets of important metrics can be found in Mixins. Downloads. See below for the configuration options for Docker Swarm discovery: The relabeling phase is the preferred and more powerful IONOS SD configurations allows retrieving scrape targets from prometheustarget 12key metrics_relabel_configsrelabel_configsmetrics_relabel_configsrelabel_configstarget metric_relabel_configs 0 APP "" sleepyzhang 0 7638 0 0 This is generally useful for blackbox monitoring of an ingress. has the same configuration format and actions as target relabeling. Because this prometheus instance resides in the same VPC, I am using the __meta_ec2_private_ip which is the private ip address of the EC2 instance to assign it to the address where it needs to scrape the node exporter metrics endpoint: You will need a EC2 Ready Only instance role (or access keys on the configuration) in order for prometheus to read the EC2 tags on your account. As we did with Instance labelling in the last post, it'd be cool if we could show instance=lb1.example.com instead of an IP address and port. by the API. To play around with and analyze any regular expressions, you can use RegExr. This service discovery uses the public IPv4 address by default, but that can be When we configured Prometheus to run as a service, we specified the path of /etc/prometheus/prometheus.yml. There is a small demo of how to use required for the replace, keep, drop, labelmap,labeldrop and labelkeep actions. This minimal relabeling snippet searches across the set of scraped labels for the instance_ip label. I've never encountered a case where that would matter, but hey sure if there's a better way, why not. Open positions, Check out the open source projects we support A relabel_configs configuration allows you to keep or drop targets returned by a service discovery mechanism like Kubernetes service discovery or AWS EC2 instance service discovery. If the endpoint is backed by a pod, all There are seven available actions to choose from, so lets take a closer look. relabeling does not apply to automatically generated timeseries such as up. You may wish to check out the 3rd party Prometheus Operator, To view all available command-line flags, run ./prometheus -h. Prometheus can reload its configuration at runtime. Eureka REST API. relabelling - Robust Perception | Prometheus Monitoring Experts If a job is using kubernetes_sd_configs to discover targets, each role has associated __meta_* labels for metrics. would result in capturing whats before and after the @ symbol, swapping them around, and separating them with a slash. So the solution I used is to combine an existing value containing what we want (the hostnmame) with a metric from the node exporter. Finally, the write_relabel_configs block applies relabeling rules to the data just before its sent to a remote endpoint. OAuth 2.0 authentication using the client credentials grant type. Prometheuslabel_replace The prometheus_sd_http_failures_total counter metric tracks the number of To learn more, see our tips on writing great answers. See this example Prometheus configuration file Why does Mister Mxyzptlk need to have a weakness in the comics? However, in some We drop all ports that arent named web. So as a simple rule of thumb: relabel_config happens before the scrape,metric_relabel_configs happens after the scrape. *) regex captures the entire label value, replacement references this capture group, $1, when setting the new target_label. Prometheus #Prometheus SoundCloud (TSDB).2012, Prometheus,.Prometheus 2016 CNCF ( Cloud Native Computing Fou. Alert relabeling is applied to alerts before they are sent to the Alertmanager. Much of the content here also applies to Grafana Agent users. Using metric_relabel_configs, you can drastically reduce your Prometheus metrics usage by throwing out unneeded samples. Files may be provided in YAML or JSON format. metrics_config The metrics_config block is used to define a collection of metrics instances. configuration file, the Prometheus uyuni-sd configuration file, the Prometheus vultr-sd The replace action is most useful when you combine it with other fields. job. relabeling is applied after external labels. Prometheus Relabel Config Examples - Ruan Bekker's Blog Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. instances. These are: A Prometheus configuration may contain an array of relabeling steps; they are applied to the label set in the order theyre defined in. Furthermore, only Endpoints that have https-metrics as a defined port name are kept. This relabeling occurs after target selection. The CloudWatch agent with Prometheus monitoring needs two configurations to scrape the Prometheus metrics. prefix is guaranteed to never be used by Prometheus itself. action: keep. On the federation endpoint Prometheus can add labels When sending alerts we can alter alerts labels In your case please just include the list items where: Another answer is to using some /etc/hosts or local dns (Maybe dnsmasq) or sth like Service Discovery (by Consul or file_sd) and then remove ports like this: group_left unfortunately is more of a limited workaround than a solution. Basics; Curated Examples; Example Queries; Scrape Configs; Recording Rules; External Sources; Basics. will periodically check the REST endpoint and Its value is set to the The regex field expects a valid RE2 regular expression and is used to match the extracted value from the combination of the source_label and separator fields. There is a list of Reducing Prometheus metrics usage with relabeling, Common use cases for relabeling in Prometheus, The targets scrape interval (experimental), Special labels set set by the Service Discovery mechanism, Special prefix used to temporarily store label values before discarding them, When you want to ignore a subset of applications; use relabel_config, When splitting targets between multiple Prometheus servers; use relabel_config + hashmod, When you want to ignore a subset of high cardinality metrics; use metric_relabel_config, When sending different metrics to different endpoints; use write_relabel_config. The default regex value is (. undefined - Coder v1 Docs . Making statements based on opinion; back them up with references or personal experience. relabel_configs: - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape] action: keep regex: true // keep targets with label __meta_kubernetes_service_annotation_prometheus_io_scrape equals 'true', // which means the user added prometheus.io/scrape: true in the service's annotation. To update the scrape interval settings for any target, the customer can update the duration in default-targets-scrape-interval-settings setting for that target in ama-metrics-settings-configmap configmap. Docker Swarm SD configurations allow retrieving scrape targets from Docker Swarm kube-state-metricsAPI ServerDeploymentNodePodkube-state-metricsmetricsPrometheus . This will cut your active series count in half. Find centralized, trusted content and collaborate around the technologies you use most. from underlying pods), the following labels are attached. Prometheus relabeling to control which instances will actually be scraped. The target address defaults to the first existing address of the Kubernetes Prometheus is configured via command-line flags and a configuration file. Since weve used default regex, replacement, action, and separator values here, they can be omitted for brevity. First, it should be metric_relabel_configs rather than relabel_configs. Next I came across something that said that Prom will fill in instance with the value of address if the collector doesn't supply a value, and indeed for some reason it seems as though my scrapes of node_exporter aren't getting one. metric_relabel_configs relabel_configsreplace Prometheus K8S . The regex supports parenthesized capture groups which can be referred to later on. IONOS Cloud API. - Key: Name, Value: pdn-server-1 For example, if the resource ID is /subscriptions/00000000-0000-0000-0000-000000000000/resourcegroups/rg-name/providers/Microsoft.ContainerService/managedClusters/clustername, the cluster label is clustername. Why is there a voltage on my HDMI and coaxial cables? For users with thousands of tasks it The configuration format is the same as the Prometheus configuration file. Read more. changed with relabeling, as demonstrated in the Prometheus hetzner-sd Triton SD configurations allow retrieving A consists of seven fields. There are Mixins for Kubernetes, Consul, Jaeger, and much more. Prometheus (metric) relabel config with inverse regex match / negative configuration file. Latest Published: Jan 31, 2023 License: Apache-2.0 Imports: 18 Imported by: 2,025 Details Valid go.mod file Redistributable license Tagged version Prometheus is an open-source monitoring and alerting toolkit that collects and stores its metrics as time series data. To un-anchor the regex, use .*.*. If you are running the Prometheus Operator (e.g. With a (partial) config that looks like this, I was able to achieve the desired result. dynamically discovered using one of the supported service-discovery mechanisms. s. To enable denylisting in Prometheus, use the drop and labeldrop actions with any relabeling configuration. entities and provide advanced modifications to the used API path, which is exposed So if you want to say scrape this type of machine but not that one, use relabel_configs. DNS servers to be contacted are read from /etc/resolv.conf. By using the following relabel_configs snippet, you can limit scrape targets for this job to those whose Service label corresponds to app=nginx and port name to web: The initial set of endpoints fetched by kuberentes_sd_configs in the default namespace can be very large depending on the apps youre running in your cluster. To filter by them at the metrics level, first keep them using relabel_configs by assigning a label name and then use metric_relabel_configs to filter. You can add additional metric_relabel_configs sections that replace and modify labels here. How is an ETF fee calculated in a trade that ends in less than a year? The IAM credentials used must have the ec2:DescribeInstances permission to defined by the scheme described below. Document real world examples of using relabel_config #341 - GitHub Let's say you don't want to receive data for the metric node_memory_active_bytes from an instance running at localhost:9100. changed with relabeling, as demonstrated in the Prometheus vultr-sd Blog | Training | Book | Privacy, relabel_configs vs metric_relabel_configs. view raw prometheus.yml hosted with by GitHub , Prometheus . An example might make this clearer. This may be changed with relabeling. k8s-Prometheus+Grafana(Volume) - This service discovery uses the main IPv4 address by default, which that be to the Kubelet's HTTP port. configuration file. If you want to turn on the scraping of the default targets that aren't enabled by default, edit the configmap ama-metrics-settings-configmap configmap to update the targets listed under default-scrape-settings-enabled to true, and apply the configmap to your cluster. sending a HTTP POST request to the /-/reload endpoint (when the --web.enable-lifecycle flag is enabled). could be used to limit which samples are sent. If we provide more than one name in the source_labels array, the result will be the content of their values, concatenated using the provided separator. Omitted fields take on their default value, so these steps will usually be shorter. I have Prometheus scraping metrics from node exporters on several machines with a config like this: When viewed in Grafana, these instances are assigned rather meaningless IP addresses; instead, I would prefer to see their hostnames. Robot API. removing port from instance label - Google Groups . Follow the instructions to create, validate, and apply the configmap for your cluster. The endpoint is queried periodically at the specified refresh interval. In other words, its metrics information is stored with the timestamp at which it was recorded, alongside optional key-value pairs called labels. The keep and drop actions allow us to filter out targets and metrics based on whether our label values match the provided regex. in the configuration file. In the general case, one scrape configuration specifies a single Both of these methods are implemented through Prometheuss metric filtering and relabeling feature, relabel_config. I have installed Prometheus on the same server where my Django app is running. The regex is Whats the grammar of "For those whose stories they are"? with kube-prometheus-stack) then you can specify additional scrape config jobs to monitor your custom services. The __param_ label is set to the value of the first passed URL parameter called . Add a new label called example_label with value example_value to every metric of the job. At a high level, a relabel_config allows you to select one or more source label values that can be concatenated using a separator parameter. configuration file. Azure SD configurations allow retrieving scrape targets from Azure VMs. Prometheus also provides some internal labels for us. Prometheus Relabel Config Examples - https://prometheus.io/docs - Gist metric_relabel_configs /metricsmetric_relabel_configs 3.2.2 alertmanagers alertmanagers Prometheus alertmanagers Prometheuspushing alertmanager alertmanager target Aurora. anchored on both ends. Metric Vultr SD configurations allow retrieving scrape targets from Vultr. The relabel_config step will use this number to populate the target_label with the result of the MD5(extracted value) % modulus expression. You can perform the following common action operations: For a full list of available actions, please see relabel_config from the Prometheus documentation. Connect and share knowledge within a single location that is structured and easy to search. See below for the configuration options for Marathon discovery: By default every app listed in Marathon will be scraped by Prometheus. How can I 'join' two metrics in a Prometheus query? verrazzano.io For example, kubelet is the metric filtering setting for the default target kubelet. If a container has no specified ports, The resource address is the certname of the resource and can be changed during To learn more, please see Regular expression on Wikipedia. The first relabeling rule adds {__keep="yes"} label to metrics with mountpoint matching the given regex. This guide expects some familiarity with regular expressions. Using this feature, you can store metrics locally but prevent them from shipping to Grafana Cloud. Publishing the application's Docker image to a containe Finally, this configures authentication credentials and the remote_write queue. Tracing is currently an experimental feature and could change in the future. vmagent can accept metrics in various popular data ingestion protocols, apply relabeling to the accepted metrics (for example, change metric names/labels or drop unneeded metrics) and then forward the relabeled metrics to other remote storage systems, which support Prometheus remote_write protocol (including other vmagent instances). for a detailed example of configuring Prometheus for Docker Engine. Asking for help, clarification, or responding to other answers. The labels can be used in the relabel_configs section to filter targets or replace labels for the targets. integrations One of the following types can be configured to discover targets: The container role discovers one target per "virtual machine" owned by the account. See the Prometheus examples of scrape configs for a Kubernetes cluster. 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. Prometheus - Django app metrics are notcollected Advanced Setup: Configure custom Prometheus scrape jobs for the daemonset Use __address__ as the source label only because that label will always exist and will add the label for every target of the job. Scrape coredns service in the k8s cluster without any extra scrape config. Relabeling and filtering at this stage modifies or drops samples before Prometheus ships them to remote storage. Metric relabeling is applied to samples as the last step before ingestion. The default Prometheus configuration file contains the following two relabeling configurations: - action: replace source_labels: [__meta_kubernetes_pod_uid] target_label: sysdig_k8s_pod_uid - action: replace source_labels: [__meta_kubernetes_pod_container_name] target_label: sysdig_k8s_pod_container_name instance it is running on should have at least read-only permissions to the The replacement field defaults to just $1, the first captured regex, so its sometimes omitted. The target Well demo all the highlights of the major release: new and updated visualizations and themes, data source improvements, and Enterprise features. Allowlisting or keeping the set of metrics referenced in a Mixins alerting rules and dashboards can form a solid foundation from which to build a complete set of observability metrics to scrape and store. EC2 SD configurations allow retrieving scrape targets from AWS EC2 Life of a Label - Robust Perception | Prometheus Monitoring Experts For instance, if you created a secret named kube-prometheus-prometheus-alert-relabel-config and it contains a file named additional-alert-relabel-configs.yaml, use the parameters below: tsdb lets you configure the runtime-reloadable configuration settings of the TSDB. for a detailed example of configuring Prometheus with PuppetDB. Prometheus relabelmetrics path | Alliot's blog To scrape certain pods, specify the port, path, and scheme through annotations for the pod and the below job will scrape only the address specified by the annotation: More info about Internet Explorer and Microsoft Edge, Customize scraping of Prometheus metrics in Azure Monitor, the Debug Mode section in Troubleshoot collection of Prometheus metrics, create, validate, and apply the configmap, ama-metrics-prometheus-config-node configmap, Learn more about collecting Prometheus metrics. Promtail | To allowlist metrics and labels, you should identify a set of core important metrics and labels that youd like to keep. Where may be a path ending in .json, .yml or .yaml. You can additionally define remote_write-specific relabeling rules here. Prometheus - Django app metrics are not collected If a relabeling step needs to store a label value only temporarily (as the In addition, the instance label for the node will be set to the node name Prometheus relabeling tricks - Medium I think you should be able to relabel the instance label to match the hostname of a node, so I tried using relabelling rules like this, to no effect whatsoever: I can manually relabel every target, but that requires hardcoding every hostname into Prometheus, which is not really nice.