prometheus relabel_configs vs metric_relabel_configs

Going back to our extracted values, and a block like this. undefined - Coder v1 Docs yamlyaml. Parameters that arent explicitly set will be filled in using default values. The ama-metrics replicaset pod consumes the custom Prometheus config and scrapes the specified targets. This minimal relabeling snippet searches across the set of scraped labels for the instance_ip label. (relabel_config) prometheus . They are set by the service discovery mechanism that provided This piece of remote_write configuration sets the remote endpoint to which Prometheus will push samples. Once Prometheus is running, you can use PromQL queries to see how the metrics are evolving over time, such as rate (node_cpu_seconds_total [1m]) to observe CPU usage: While the node exporter does a great job of producing machine-level metrics on Unix systems, it's not going to help you expose metrics for all of your other third-party applications. support for filtering instances. relabeling. devops, docker, prometheus, Create a AWS Lambda Layer with Docker Basics; Curated Examples; Example Queries; Scrape Configs; Recording Rules; External Sources; Basics. The following meta labels are available on targets during relabeling: See below for the configuration options for Azure discovery: Consul SD configurations allow retrieving scrape targets from Consul's Which is frowned on by upstream as an "antipattern" because apparently there is an expectation that instance be the only label whose value is unique across all metrics in the job. To collect all metrics from default targets, in the configmap under default-targets-metrics-keep-list, set minimalingestionprofile to false. The prometheus_sd_http_failures_total counter metric tracks the number of 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. 2023 The Linux Foundation. the given client access and secret keys. A configuration reload is triggered by sending a SIGHUP to the Prometheus process or One use for this is to exclude time series that are too expensive to ingest. instance it is running on should have at least read-only permissions to the See below for the configuration options for EC2 discovery: The relabeling phase is the preferred and more powerful See this example Prometheus configuration file in the configuration file. It would also be less than friendly to expect any of my users -- especially those completely new to Grafana / PromQL -- to write a complex and inscrutable query every time. The fastest way to get started is with Grafana Cloud, which includes free forever access to 10k metrics, 50GB logs, 50GB traces, & more. from underlying pods), the following labels are attached: If the endpoints belong to a service, all labels of the, For all targets backed by a pod, all labels of the. Scrape node metrics without any extra scrape config. changed with relabeling, as demonstrated in the Prometheus scaleway-sd It has the same configuration format and actions as target relabeling. A static config has a list of static targets and any extra labels to add to them. way to filter tasks, services or nodes. 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. 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 This used by Finagle and Prometheus keeps all other metrics. An alertmanager_config section specifies Alertmanager instances the Prometheus to scrape them. Triton SD configurations allow retrieving https://stackoverflow.com/a/64623786/2043385. Drop data using Prometheus remote write - New Relic Prometheus - Django app metrics are notcollected instances. input to a subsequent relabeling step), use the __tmp label name prefix. from underlying pods), the following labels are attached. Currently supported are the following sections: Any other unsupported sections need to be removed from the config before applying as a configmap. Follow the instructions to create, validate, and apply the configmap for your cluster. It's not uncommon for a user to share a Prometheus config with a validrelabel_configs and wonder why it isn't taking effect. address defaults to the host_ip attribute of the hypervisor. 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. The __param_ Relabeling and filtering at this stage modifies or drops samples before Prometheus ingests them locally and ships them to remote storage. 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 node-exporter config below is one of the default targets for the daemonset pods. Using a standard prometheus config to scrape two targets: - Key: Environment, Value: dev. First attempt: In order to set the instance label to $host, one can use relabel_configs to get rid of the port of your scaping target: But the above would also overwrite labels you wanted to set e.g. RFC6763. configuration file. configuration file. To learn more about remote_write, please see remote_write from the official Prometheus docs. The private IP address is used by default, but may be changed to 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. The file is written in YAML format, metrics_config The metrics_config block is used to define a collection of metrics instances. via the MADS v1 (Monitoring Assignment Discovery Service) xDS API, and will create a target for each proxy In other words, its metrics information is stored with the timestamp at which it was recorded, alongside optional key-value pairs called labels. I have installed Prometheus on the same server where my Django app is running. See below for the configuration options for PuppetDB discovery: See this example Prometheus configuration file domain names which are periodically queried to discover a list of targets. promethus relabel_configs metric_relabel_configs ec2:DescribeAvailabilityZones permission if you want the availability zone ID Prometheus Relabel Config Examples - Ruan Bekker's Blog The HTTP header Content-Type must be application/json, and the body must be There is a list of for a detailed example of configuring Prometheus with PuppetDB. Why is there a voltage on my HDMI and coaxial cables? While See this example Prometheus 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. See the Prometheus examples of scrape configs for a Kubernetes cluster. Metric relabeling is applied to samples as the last step before ingestion. target is generated. After changing the file, the prometheus service will need to be restarted to pickup the changes. 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). Prometheus relabel_configs 4. I have suggested calling it target_relabel_configs to differentiate it from metric_relabel_configs. One of the following roles can be configured to discover targets: The services role discovers all Swarm services In this scenario, on my EC2 instances I have 3 tags: Why are physically impossible and logically impossible concepts considered separate in terms of probability? The relabeling phase is the preferred and more powerful the public IP address with relabeling. How to use relabeling in Prometheus and VictoriaMetrics The CloudWatch agent with Prometheus monitoring needs two configurations to scrape the Prometheus metrics. via Uyuni API. Targets may be statically configured via the static_configs parameter or filepath from which the target was extracted. See below for the configuration options for Lightsail discovery: Linode SD configurations allow retrieving scrape targets from Linode's interface. This SD discovers "containers" and will create a target for each network IP and port the container is configured to expose. Prometheus #Prometheus SoundCloud (TSDB).2012, Prometheus,.Prometheus 2016 CNCF ( Cloud Native Computing Fou. For details on custom configuration, see Customize scraping of Prometheus metrics in Azure Monitor. To learn more about Prometheus service discovery features, please see Configuration from the Prometheus docs. Files may be provided in YAML or JSON format. If the relabel action results in a value being written to some label, target_label defines to which label the replacement should be written. Finally, use write_relabel_configs in a remote_write configuration to select which series and labels to ship to remote storage. Relabeling is a powerful tool that allows you to classify and filter Prometheus targets and metrics by rewriting their label set. This will also reload any configured rule files. There's the idea that the exporter should be "fixed', but I'm hesitant to go down the rabbit hole of a potentially breaking change to a widely used project. For example, you may have a scrape job that fetches all Kubernetes Endpoints using a kubernetes_sd_configs parameter. You can filter series using Prometheuss relabel_config configuration object. Step 2: Scrape Prometheus sources and import metrics. label is set to the job_name value of the respective scrape configuration. Hetzner Cloud API and Prometheus (metric) relabel config with inverse regex match / negative Whats the grammar of "For those whose stories they are"? *), so if not specified, it will match the entire input. Well demo all the highlights of the major release: new and updated visualizations and themes, data source improvements, and Enterprise features. For a cluster with a large number of nodes and pods and a large volume of metrics to scrape, some of the applicable custom scrape targets can be off-loaded from the single ama-metrics replicaset pod to the ama-metrics daemonset pod. This configuration does not impact any configuration set in metric_relabel_configs or relabel_configs. prometheustarget 12key metrics_relabel_configsrelabel_configsmetrics_relabel_configsrelabel_configstarget metric_relabel_configs 0 APP "" sleepyzhang 0 7638 0 0 The following meta labels are available on all targets during relabeling: The labels below are only available for targets with role set to hcloud: The labels below are only available for targets with role set to robot: HTTP-based service discovery provides a more generic way to configure static targets A Prometheus configuration may contain an array of relabeling steps; they are applied to the label set in the order they're defined in. For users with thousands of tasks it Alert relabeling is applied to alerts before they are sent to the Alertmanager. The following table has a list of all the default targets that the Azure Monitor metrics addon can scrape by default and whether it's initially enabled. configuration. You can, for example, only keep specific metric names. Hetzner SD configurations allow retrieving scrape targets from metadata and a single tag). One is for the standard Prometheus configurations as documented in <scrape_config> in the Prometheus documentation. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Lets start off with source_labels. where should i use this in prometheus? kube-state-metricsAPI ServerDeploymentNodePodkube-state-metricsmetricsPrometheus . // Config is the top-level configuration for Prometheus's config files. changed with relabeling, as demonstrated in the Prometheus linode-sd Additionally, relabel_configs allow advanced modifications to any Discover Packages github.com/prometheus/prometheus config config package Version: v0.42. To learn more about the general format for a relabel_config block, please see relabel_config from the Prometheus docs. To drop a specific label, select it using source_labels and use a replacement value of "". In this case Prometheus would drop a metric like container_network_tcp_usage_total(. Sign up for free now! In the extreme this can overload your Prometheus server, such as if you create a time series for each of hundreds of thousands of users. way to filter targets based on arbitrary labels. Find centralized, trusted content and collaborate around the technologies you use most. The write_relabel_configs section defines a keep action for all metrics matching the apiserver_request_total|kubelet_node_config_error|kubelet_runtime_operations_errors_total regex, dropping all others. 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. Enable Prometheus Native Service Discovery - Sysdig Documentation Sorry, an error occurred. create a target group for every app that has at least one healthy task. compute resources. changed with relabeling, as demonstrated in the Prometheus hetzner-sd Windows_exporter metric_relabel_config - Grafana Labs Community Forums A scrape_config section specifies a set of targets and parameters describing how I am attempting to retrieve metrics using an API and the curl response appears to be in the correct format. *) regex captures the entire label value, replacement references this capture group, $1, when setting the new target_label. metrics_config | Grafana Agent documentation target and its labels before scraping. If you are running the Prometheus Operator (e.g. Prometheus will periodically check the REST endpoint and create a target for every discovered server. node object in the address type order of NodeInternalIP, NodeExternalIP, For example, when measuring HTTP latency, we might use labels to record the HTTP method and status returned, which endpoint was called, and which server was responsible for the request. for them. and applied immediately. What sort of strategies would a medieval military use against a fantasy giant? The ingress role discovers a target for each path of each ingress. This documentation is open-source. my/path/tg_*.json. NodeLegacyHostIP, and NodeHostName. can be more efficient to use the Swarm API directly which has basic support for This is experimental and could change in the future. So let's shine some light on these two configuration options. This will cut your active series count in half. Please help improve it by filing issues or pull requests. discover scrape targets, and may optionally have the feature to replace the special __address__ label. I'm working on file-based service discovery from a DB dump that will be able to write these targets out. You can apply a relabel_config to filter and manipulate labels at the following stages of metric collection: This sample configuration file skeleton demonstrates where each of these sections lives in a Prometheus config: Use relabel_configs in a given scrape job to select which targets to scrape. Note that adding an additional scrape . Next I tried metrics_relabel_configs but that doesn't seem to want to copy a label from a different metric, ie. I'm not sure if that's helpful. Since the (. There are Mixins for Kubernetes, Consul, Jaeger, and much more. action: keep. - Key: Name, Value: pdn-server-1 So the solution I used is to combine an existing value containing what we want (the hostnmame) with a metric from the node exporter. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. For example, the following block would set a label like {env="production"}, While, continuing with the previous example, this relabeling step would set the replacement value to my_new_label. Connect Grafana to data sources, apps, and more, with Grafana Alerting, Grafana Incident, and Grafana OnCall, Frontend application observability web SDK, Try out and share prebuilt visualizations, Contribute to technical documentation provided by Grafana Labs, Help build the future of open source observability software The currently supported methods of target discovery for a scrape config are either static_configs or kubernetes_sd_configs for specifying or discovering targets. Please find below an example from other exporter (blackbox), but same logic applies for node exporter as well. This article provides instructions on customizing metrics scraping for a Kubernetes cluster with the metrics addon in Azure Monitor. In advanced configurations, this may change. The following meta labels are available for each target: See below for the configuration options for Kuma MonitoringAssignment discovery: The relabeling phase is the preferred and more powerful way Mixins are a set of preconfigured dashboards and alerts. Scaleway SD configurations allow retrieving scrape targets from Scaleway instances and baremetal services. The default regex value is (. way to filter containers. Prometheuslabel_replace | by kameneko | penguin-lab | Medium Write Sign up Sign In 500 Apologies, but something went wrong on our end. See below for the configuration options for Docker Swarm discovery: The relabeling phase is the preferred and more powerful For each endpoint Prometheus is configured through a single YAML file called prometheus.yml. Prometheus_mb5ff2f2ed7d163_51CTO Using metric_relabel_configs, you can drastically reduce your Prometheus metrics usage by throwing out unneeded samples. k8s-Prometheus+Grafana(Volume) - 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 also manipulate, transform, and rename series labels using relabel_config. Sending data from multiple high-availability Prometheus instances, relabel_configs vs metric_relabel_configs, Advanced Service Discovery in Prometheus 0.14.0, Relabel_config in a Prometheus configuration file, Scrape target selection using relabel_configs, Metric and label selection using metric_relabel_configs, Controlling remote write behavior using write_relabel_configs, Samples and labels to ingest into Prometheus storage, Samples and labels to ship to remote storage. I am attempting to retrieve metrics using an API and the curl response appears to be in the correct format. DNS servers to be contacted are read from /etc/resolv.conf. To learn more, see our tips on writing great answers. Each target has a meta label __meta_filepath during the By default, for all the default targets, only minimal metrics used in the default recording rules, alerts, and Grafana dashboards are ingested as described in minimal-ingestion-profile. The __* labels are dropped after discovering the targets. relabeling is applied after external labels. additional container ports of the pod, not bound to an endpoint port, are discovered as targets as well. Most users will only need to define one instance. 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. This feature allows you to filter through series labels using regular expressions and keep or drop those that match. . configuration file, the Prometheus linode-sd The relabeling step calculates the MD5 hash of the concatenated label values modulo a positive integer N, resulting in a number in the range [0, N-1]. are set to the scheme and metrics path of the target respectively. Endpoints are limited to the kube-system namespace. The tasks role discovers all Swarm tasks 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: How can they help us in our day-to-day work? metric_relabel_configs /metricsmetric_relabel_configs 3.2.2 alertmanagers alertmanagers Prometheus alertmanagers Prometheuspushing alertmanager alertmanager target instances it can be more efficient to use the EC2 API directly which has s. Prometheus relabelmetrics path | Alliot's blog Prom Labss Relabeler tool may be helpful when debugging relabel configs. . 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. prometheus-relabel_configsmetric_relabel_configs - config package - github.com/prometheus/prometheus/config - Go Packages Not the answer you're looking for? You can't relabel with a nonexistent value in the request, you are limited to the different parameters that you gave to Prometheus or those that exists in the module use for the request (gcp,aws.). Use Grafana to turn failure into resilience. For redis we use targets like described in, Relabel instance to hostname in Prometheus, groups.google.com/forum/#!topic/prometheus-developers/, github.com/oliver006/redis_exporter/issues/623, https://stackoverflow.com/a/64623786/2043385, How Intuit democratizes AI development across teams through reusability. Prometheus K8SYaml K8S Relabeling and filtering at this stage modifies or drops samples before Prometheus ships them to remote storage. Labels are sets of key-value pairs that allow us to characterize and organize whats actually being measured in a Prometheus metric. The __address__ label is set to the : address of the target. Prometheus Posted by Ruan Brackets indicate that a parameter is optional. This can be useful when local Prometheus storage is cheap and plentiful, but the set of metrics shipped to remote storage requires judicious curation to avoid excess costs. the public IP address with relabeling. Each pod of the daemonset will take the config, scrape the metrics, and send them for that node. For more information, check out our documentation and read more in the Prometheus documentation. server sends alerts to. The __scrape_interval__ and __scrape_timeout__ labels are set to the target's 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. Customize scraping of Prometheus metrics in Azure Monitor (preview Scrape kubelet in every node in the k8s cluster without any extra scrape config. Thats all for today! Curated sets of important metrics can be found in Mixins. This service discovery uses the I've never encountered a case where that would matter, but hey sure if there's a better way, why not. This can be is any valid How to use Slater Type Orbitals as a basis functions in matrix method correctly? Additional labels prefixed with __meta_ may be available during the 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. Remote development environments that secure your source code and sensitive data This guide describes several techniques you can use to reduce your Prometheus metrics usage on Grafana Cloud. IONOS SD configurations allows retrieving scrape targets from are published with mode=host. still uniquely labeled once the labels are removed. instances. If not all . Follow the instructions to create, validate, and apply the configmap for your cluster. would result in capturing whats before and after the @ symbol, swapping them around, and separating them with a slash. This role uses the public IPv4 address by default. Kuma SD configurations allow retrieving scrape target from the Kuma control plane. Prometheus: Adding a label to a target - Niels's DevOps Musings The configuration format is the same as the Prometheus configuration file. . To review, open the file in an editor that reveals hidden Unicode characters. Relabel configs allow you to select which targets you want scraped, and what the target labels will be. For reference, heres our guide to Reducing Prometheus metrics usage with relabeling. Where must be unique across all scrape configurations. For OVHcloud's public cloud instances you can use the openstacksdconfig. Prometheus fetches an access token from the specified endpoint with configuration file, the Prometheus uyuni-sd configuration file, the Prometheus vultr-sd You can configure the metrics addon to scrape targets other than the default ones, using the same configuration format as the Prometheus configuration file. Document real world examples of using relabel_config #341 - GitHub

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