prometheus relabel_configs vs metric_relabel_configs prometheus relabel_configs vs metric_relabel_configs

Prometheusrelabel_configsmetric_relabel_configs- Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. Whats the grammar of "For those whose stories they are"? discovery mechanism. For users with thousands of tasks it tsdb lets you configure the runtime-reloadable configuration settings of the TSDB. is any valid Publishing the application's Docker image to a containe Prometheusrelabel config - Qiita *) regex captures the entire label value, replacement references this capture group, $1, when setting the new target_label. metric_relabel_configs are commonly used to relabel and filter samples before ingestion, and limit the amount of data that gets persisted to storage. For now, Prometheus Operator adds following labels automatically: endpoint, instance, namespace, pod, and service. additional container ports of the pod, not bound to an endpoint port, are discovered as targets as well. with kube-prometheus-stack) then you can specify additional scrape config jobs to monitor your custom services. If not all relabel_configsmetric_relabel_configssource_labels CC 4.0 BY-SA for a detailed example of configuring Prometheus with PuppetDB. from underlying pods), the following labels are attached. This is generally useful for blackbox monitoring of a service. Scrape cAdvisor in every node in the k8s cluster without any extra scrape config. This The HTTP header Content-Type must be application/json, and the body must be 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. As we saw before, the following block will set the env label to the replacement provided, so {env="production"} will be added to the labelset. Making statements based on opinion; back them up with references or personal experience. refresh failures. See below for the configuration options for OVHcloud discovery: PuppetDB SD configurations allow retrieving scrape targets from 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. Relabeling 4.1 . Prometheus Monitoring subreddit. The relabeling phase is the preferred and more powerful filepath from which the target was extracted. Prometheus relabelmetrics path | Alliot's blog So the solution I used is to combine an existing value containing what we want (the hostnmame) with a metric from the node exporter. Omitted fields take on their default value, so these steps will usually be shorter. compute resources. refresh interval. Scrape node metrics without any extra scrape config. contexts. Prometheus Marathon SD configurations allow retrieving scrape targets using the service is created using the port parameter defined in the SD configuration. For example, you may have a scrape job that fetches all Kubernetes Endpoints using a kubernetes_sd_configs parameter. external labels send identical alerts. To collect all metrics from default targets, in the configmap under default-targets-metrics-keep-list, set minimalingestionprofile to false. This role uses the private IPv4 address by default. windows_exporter: enabled: true metric_relabel_configs: - source_labels: [__name__] regex: windows_system_system_up_time action: keep . The global configuration specifies parameters that are valid in all other configuration way to filter containers. 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. are set to the scheme and metrics path of the target respectively. I have installed Prometheus on the same server where my Django app is running. This is most commonly used for sharding multiple targets across a fleet of Prometheus instances. Add a new label called example_label with value example_value to every metric of the job. metric_relabel_configs offers one way around that. node_uname_info{nodename} -> instance -- I get a syntax error at startup. Prometheus+Grafana+alertmanager+ +__51CTO Initially, aside from the configured per-target labels, a target's job A scrape_config section specifies a set of targets and parameters describing how For reference, heres our guide to Reducing Prometheus metrics usage with relabeling. for a practical example on how to set up your Eureka app and your Prometheus See below for the configuration options for GCE discovery: Credentials are discovered by the Google Cloud SDK default client by looking 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. Using a standard prometheus config to scrape two targets: Vultr SD configurations allow retrieving scrape targets from Vultr. Catalog API. The __address__ label is set to the : address of the target. Nomad SD configurations allow retrieving scrape targets from Nomad's engine. node object in the address type order of NodeInternalIP, NodeExternalIP, This is often useful when fetching sets of targets using a service discovery mechanism like kubernetes_sd_configs, or Kubernetes service discovery. GCE SD configurations allow retrieving scrape targets from GCP GCE instances. Relabel instance to hostname in Prometheus - Stack Overflow configuration file. type Config struct {GlobalConfig GlobalConfig `yaml:"global"` AlertingConfig AlertingConfig `yaml:"alerting,omitempty"` RuleFiles []string `yaml:"rule_files,omitempty"` ScrapeConfigs []*ScrapeConfig `yaml:"scrape_configs,omitempty"` . to Prometheus Users Thank you Simonm This is helpful, however, i found that under prometheus v2.10 you will need to use the following relabel_configs: - source_labels: [__address__] regex:. changed with relabeling, as demonstrated in the Prometheus hetzner-sd Alert relabeling is applied to alerts before they are sent to the Alertmanager. Recall that these metrics will still get persisted to local storage unless this relabeling configuration takes place in the metric_relabel_configs section of a scrape job. How can they help us in our day-to-day work? 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 to filter proxies and user-defined tags. Prometheus is an open-source monitoring and alerting toolkit that collects and stores its metrics as time series data. configuration file. To learn more, please see Regular expression on Wikipedia. While The reason is that relabeling can be applied in different parts of a metrics lifecycle from selecting which of the available targets wed like to scrape, to sieving what wed like to store in Prometheus time series database and what to send over to some remote storage. promethus relabel_configs metric_relabel_configs metric_relabel_configs by contrast are applied after the scrape has happened, but before the data is ingested by the storage system. verrazzano.io Prometheus #Prometheus SoundCloud (TSDB).2012, Prometheus,.Prometheus 2016 CNCF ( Cloud Native Computing Fou. Using relabeling at the target selection stage, you can selectively choose which targets and endpoints you want to scrape (or drop) to tune your metric usage. Relabeling is a powerful tool to dynamically rewrite the label set of a target before Below are examples of how to do so. The relabel_config step will use this number to populate the target_label with the result of the MD5(extracted value) % modulus expression. To further customize the default jobs to change properties such as collection frequency or labels, disable the corresponding default target by setting the configmap value for the target to false, and then apply the job using custom configmap. prefix is guaranteed to never be used by Prometheus itself. to the Kubelet's HTTP port. Relabeling is a powerful tool that allows you to classify and filter Prometheus targets and metrics by rewriting their label set. You can add additional metric_relabel_configs sections that replace and modify labels here. Prometheus (metric) relabel config with inverse regex match / negative There is a small demo of how to use Document real world examples of using relabel_config #341 - GitHub This role uses the public IPv4 address by default. Prometheus needs to know what to scrape, and that's where service discovery and relabel_configs come in. https://stackoverflow.com/a/64623786/2043385. The endpointslice role discovers targets from existing endpointslices. where should i use this in prometheus? See this example Prometheus configuration file and exposes their ports as targets. After changing the file, the prometheus service will need to be restarted to pickup the changes. The second relabeling rule adds {__keep="yes"} label to metrics with empty `mountpoint` label, e.g. The scrape config below uses the __meta_* labels added from the kubernetes_sd_configs for the pod role to filter for pods with certain annotations. The difference between the phonemes /p/ and /b/ in Japanese. If the new configuration Downloads. This relabeling occurs after target selection. If a task has no published ports, a target per task is An additional scrape config uses regex evaluation to find matching services en masse, and targets a set of services based on label, annotation, namespace, or name. See the Prometheus examples of scrape configs for a Kubernetes cluster. Using the write_relabel_config entry shown below, you can target the metric name using the __name__ label in combination with the instance name. Azure SD configurations allow retrieving scrape targets from Azure VMs. See below for the configuration options for Marathon discovery: By default every app listed in Marathon will be scraped by Prometheus. Tutorial - Configure Prometheus | Couchbase Developer Portal interface. instances, as well as This service discovery uses the The result of the concatenation is the string node-42 and the MD5 of the string modulus 8 is 5. and exposes their ports as targets. Now what can we do with those building blocks? it was not set during relabeling. 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. Not the answer you're looking for? Metric relabel configs are applied after scraping and before ingestion. Does Counterspell prevent from any further spells being cast on a given turn? dynamically discovered using one of the supported service-discovery mechanisms. If the endpoint is backed by a pod, all relabel_configs. created using the port parameter defined in the SD configuration. To bulk drop or keep labels, use the labelkeep and labeldrop actions. configuration file, the Prometheus marathon-sd configuration file, the Prometheus eureka-sd configuration file, the Prometheus scaleway-sd metric_relabel_configsmetric . In this guide, weve presented an overview of Prometheuss powerful and flexible relabel_config feature and how you can leverage it to control and reduce your local and Grafana Cloud Prometheus usage. 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. See below for the configuration options for Lightsail discovery: Linode SD configurations allow retrieving scrape targets from Linode's prometheus prometheus server Pull Push . The hashmod action provides a mechanism for horizontally scaling Prometheus. Using metric_relabel_configs, you can drastically reduce your Prometheus metrics usage by throwing out unneeded samples. Droplets API. discovery endpoints. Please find below an example from other exporter (blackbox), but same logic applies for node exporter as well. interval and timeout. This may be changed with relabeling. Exporters and Target Labels - Sysdig This service discovery uses the main IPv4 address by default, which that be value is set to the specified default. You can reduce the number of active series sent to Grafana Cloud in two ways: Allowlisting: This involves keeping a set of important metrics and labels that you explicitly define, and dropping everything else. Reduce Prometheus metrics usage | Grafana Cloud documentation A tls_config allows configuring TLS connections. The PromQL queries that power these dashboards and alerts reference a core set of important observability metrics. action: keep. 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. After concatenating the contents of the subsystem and server labels, we could drop the target which exposes webserver-01 by using the following block. *), so if not specified, it will match the entire input. DigitalOcean SD configurations allow retrieving scrape targets from DigitalOcean's for a detailed example of configuring Prometheus for Docker Engine. Each target has a meta label __meta_filepath during the additional container ports of the pod, not bound to an endpoint port, are discovered as targets as well. may contain a single * that matches any character sequence, e.g. Prometheus also provides some internal labels for us. Avoid downtime. Once the targets have been defined, the metric_relabel_configs steps are applied after the scrape and allow us to select which series we would like to ingest into Prometheus storage. Consul setups, the relevant address is in __meta_consul_service_address. If the relabel action results in a value being written to some label, target_label defines to which label the replacement should be written. Prometheusrelabel_config - Qiita To do this, use a relabel_config object in the write_relabel_configs subsection of the remote_write section of your Prometheus config. The scrape config should only target a single node and shouldn't use service discovery. Thanks for contributing an answer to Stack Overflow! 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. ), but not system components (kubelet, node-exporter, kube-scheduler, .,) system components do not need most of the labels (endpoint . This relabeling: Kubernetes SD configurations allow retrieving scrape targets from One of the following role types can be configured to discover targets: The node role discovers one target per cluster node with the address defaulting entities and provide advanced modifications to the used API path, which is exposed 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.). Prometheus applies this relabeling and dropping step after performing target selection using relabel_configs and metric selection and relabeling using metric_relabel_configs. Consider the following metric and relabeling step. For a list of trademarks of The Linux Foundation, please see our Trademark Usage page. This set of targets consists of one or more Pods that have one or more defined ports. And if one doesn't work you can always try the other! So if you want to say scrape this type of machine but not that one, use relabel_configs. Thats all for today! Prometheusrelabel config sell prometheus Prometheus relabel config 1. scrapelabel node_exporternode_cpucpurelabel config 2. action=replace Scaleway SD configurations allow retrieving scrape targets from Scaleway instances and baremetal services. This article provides instructions on customizing metrics scraping for a Kubernetes cluster with the metrics addon in Azure Monitor. See this example Prometheus configuration file The role will try to use the public IPv4 address as default address, if there's none it will try to use the IPv6 one. 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. * action: drop metric_relabel_configs configuration file. Choosing which metrics and samples to scrape, store, and ship to Grafana Cloud can seem quite daunting at first. The address will be set to the host specified in the ingress spec. Docker Swarm SD configurations allow retrieving scrape targets from Docker Swarm By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The tasks role discovers all Swarm tasks anchored on both ends. Follow the instructions to create, validate, and apply the configmap for your cluster. The node-exporter config below is one of the default targets for the daemonset pods. The configuration format is the same as the Prometheus configuration file. So if there are some expensive metrics you want to drop, or labels coming from the scrape itself (e.g. Tracing is currently an experimental feature and could change in the future. server sends alerts to. way to filter services or nodes for a service based on arbitrary labels. defined by the scheme described below. Zookeeper. Using Prometheus Adapter to autoscale applications running on Amazon 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). metrics_config | Grafana Agent documentation You can filter series using Prometheuss relabel_config configuration object. A Prometheus configuration may contain an array of relabeling steps; they are applied to the label set in the order they're defined in. But still that shouldn't matter, I dunno why node_exporter isn't supplying any instance label at all since it does find the hostname for the info metric (where it doesn't do me any good). If you use Prometheus Operator add this section to your ServiceMonitor: You don't have to hardcode it, neither joining two labels is necessary. Prometheus is configured via command-line flags and a configuration file. Metric Configuring Prometheus targets with Consul | Backbeat Software which rule files to load. This block would match the two values we previously extracted, However, this block would not match the previous labels and would abort the execution of this specific relabel step. feature to replace the special __address__ label. 3. could be used to limit which samples are sent. is not well-formed, the changes will not be applied. users with thousands of services it can be more efficient to use the Consul API If you're currently using Azure Monitor Container Insights Prometheus scraping with the setting monitor_kubernetes_pods = true, adding this job to your custom config will allow you to scrape the same pods and metrics. way to filter tasks, services or nodes. Step 2: Scrape Prometheus sources and import metrics. configuration file. as retrieved from the API server. I am attempting to retrieve metrics using an API and the curl response appears to be in the correct format. To summarize, the above snippet fetches all endpoints in the default Namespace, and keeps as scrape targets those whose corresponding Service has an app=nginx label set. We drop all ports that arent named web. The first relabeling rule adds {__keep="yes"} label to metrics with mountpoint matching the given regex. This is generally useful for blackbox monitoring of an ingress. still uniquely labeled once the labels are removed. RFC6763. File-based service discovery provides a more generic way to configure static targets Prometheus Relabel Config Examples - Ruan Bekker's Blog Since weve used default regex, replacement, action, and separator values here, they can be omitted for brevity. Note: By signing up, you agree to be emailed related product-level information. config package - github.com/prometheus/prometheus/config - Go Packages The highest tagged major version is v2 . Alertmanagers may be statically configured via the static_configs parameter or service account and place the credential file in one of the expected locations. . their API. 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. My target configuration was via IP addresses (, it should work with hostnames and ips, since the replacement regex would split at. of your services provide Prometheus metrics, you can use a Marathon label and this functionality. 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. Using metric_relabel_configs, you can drastically reduce your Prometheus metrics usage by throwing out unneeded samples. Blog | Training | Book | Privacy, relabel_configs vs metric_relabel_configs. Docker SD configurations allow retrieving scrape targets from Docker Engine hosts. Denylisting: This involves dropping a set of high-cardinality unimportant metrics that you explicitly define, and keeping everything else. By default, instance is set to __address__, which is $host:$port. are published with mode=host. Set up and configure Prometheus metrics collection on Amazon EC2 Prometheus_mb5ff2f2ed7d163_51CTO It expects an array of one or more label names, which are used to select the respective label values. Configuration file To specify which configuration file to load, use the --config.file flag. [prometheus URL]:9090/targets target endpoint Before relabeling __metrics_path__ label relabel relabel static config Of course, we can do the opposite and only keep a specific set of labels and drop everything else. Customize relabel configs Issue #1166 prometheus-operator These relabeling steps are applied before the scrape occurs and only have access to labels added by Prometheus Service Discovery. undefined - Coder v1 Docs This is often resolved by using metric_relabel_configs instead (the reverse has also happened, but it's far less common). When we configured Prometheus to run as a service, we specified the path of /etc/prometheus/prometheus.yml. 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. Understanding and using the multi-target exporter pattern - Prometheus Denylisting becomes possible once youve identified a list of high-cardinality metrics and labels that youd like to drop. 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. Only Prometheus Relabel Config Examples - https://prometheus.io/docs - Gist to He Wu, Prometheus Users The `relabel_config` is applied to labels on the discovered scrape targets, while `metrics_relabel_config` is applied to metrics collected from scrape targets.. configuration. Most users will only need to define one instance. NodeLegacyHostIP, and NodeHostName. 1Prometheus. To review, open the file in an editor that reveals hidden Unicode characters. The last path segment A configuration reload is triggered by sending a SIGHUP to the Prometheus process or sending a HTTP POST request to the /-/reload endpoint (when the --web.enable-lifecycle flag is enabled). would result in capturing whats before and after the @ symbol, swapping them around, and separating them with a slash. changed with relabeling, as demonstrated in the Prometheus vultr-sd Difference between relabel_config and metric_relabel_config - Google Groups If a job is using kubernetes_sd_configs to discover targets, each role has associated __meta_* labels for metrics. How to use relabeling in Prometheus and VictoriaMetrics Otherwise the custom configuration will fail validation and won't be applied. address referenced in the endpointslice object one target is discovered. communicate with these Alertmanagers. A consists of seven fields. Triton SD configurations allow retrieving configuration file. from the /metrics page) that you want to manipulate that's where metric_relabel_configs applies. Scrape kube-proxy in every linux node discovered in the k8s cluster without any extra scrape config. Published by Brian Brazil in Posts Tags: prometheus, relabelling, service discovery Share on Blog | Training | Book | Privacy It has the same configuration format and actions as target relabeling. In the previous example, we may not be interested in keeping track of specific subsystems labels anymore. Tags: prometheus, relabelling. Three different configmaps can be configured to change the default settings of the metrics addon: The ama-metrics-settings-configmap can be downloaded, edited, and applied to the cluster to customize the out-of-the-box features of the metrics addon. RE2 regular expression. inside a Prometheus-enabled mesh. Prometheus Cheatsheets | cheatsheets 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). This reduced set of targets corresponds to Kubelet https-metrics scrape endpoints. Find centralized, trusted content and collaborate around the technologies you use most. for a practical example on how to set up your Marathon app and your Prometheus Note that adding an additional scrape . changes resulting in well-formed target groups are applied. Serverset SD configurations allow retrieving scrape targets from Serversets which are This service discovery uses the public IPv4 address by default, by that can be The target address defaults to the first existing address of the Kubernetes DNS servers to be contacted are read from /etc/resolv.conf.