The account must be a Triton operator and is currently required to own at least one container. Finally, this configures authentication credentials and the remote_write queue. 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 This service discovery uses the public IPv4 address by default, but that can be After changing the file, the prometheus service will need to be restarted to pickup the changes. The resource address is the certname of the resource and can be changed during How to use Slater Type Orbitals as a basis functions in matrix method correctly? metadata and a single tag). OpenStack SD configurations allow retrieving scrape targets from OpenStack Nova integrations This may be changed with relabeling. instances, as well as input to a subsequent relabeling step), use the __tmp label name prefix. *) to catch everything from the source label, and since there is only one group we use the replacement as ${1}-randomtext and use that value to apply it as the value of the given target_label which in this case is for randomlabel, which will be in this case: In this case we want to relabel the __address__ and apply the value to the instance label, but we want to exclude the :9100 from the __address__ label: On AWS EC2 you can make use of the ec2_sd_config where you can make use of EC2 Tags, to set the values of your tags to prometheus label values. Note: By signing up, you agree to be emailed related product-level information. sudo systemctl restart prometheus address referenced in the endpointslice object one target is discovered. There is a list of Prometheus metric_relabel_configs . Additional config for this answer: Any label pairs whose names match the provided regex will be copied with the new label name given in the replacement field, by utilizing group references (${1}, ${2}, etc). Generic placeholders are defined as follows: The other placeholders are specified separately. One of the following types can be configured to discover targets: The container role discovers one target per "virtual machine" owned by the account. users with thousands of services it can be more efficient to use the Consul API To enable denylisting in Prometheus, use the drop and labeldrop actions with any relabeling configuration. - the incident has nothing to do with me; can I use this this way? It reads a set of files containing a list of zero or more changes resulting in well-formed target groups are applied. Consider the following metric and relabeling step. To learn how to discover high-cardinality metrics, please see Analyzing Prometheus metric usage. create a target group for every app that has at least one healthy task. Tracing is currently an experimental feature and could change in the future. If were using Prometheus Kubernetes SD, our targets would temporarily expose some labels such as: Labels starting with double underscores will be removed by Prometheus after relabeling steps are applied, so we can use labelmap to preserve them by mapping them to a different name. metric_relabel_configs by contrast are applied after the scrape has happened, but before the data is ingested by the storage system. To review, open the file in an editor that reveals hidden Unicode characters. See below for the configuration options for Eureka discovery: See the Prometheus eureka-sd configuration file Publishing the application's Docker image to a containe . First, it should be metric_relabel_configs rather than relabel_configs. This will also reload any configured rule files. For each endpoint Or if youre using Prometheus Kubernetes service discovery you might want to drop all targets from your testing or staging namespaces. In those cases, you can use the relabel For non-list parameters the All rights reserved. We could offer this as an alias, to allow config file transition for Prometheus 3.x. Short story taking place on a toroidal planet or moon involving flying. The Linux Foundation has registered trademarks and uses trademarks. An alertmanager_config section specifies Alertmanager instances the Prometheus Monitoring Docker container metrics using cAdvisor, Use file-based service discovery to discover scrape targets, Understanding and using the multi-target exporter pattern, Monitoring Linux host metrics with the Node Exporter, the Prometheus digitalocean-sd 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. 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. Vultr SD configurations allow retrieving scrape targets from Vultr. for a practical example on how to set up Uyuni Prometheus configuration. 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). See below for the configuration options for Triton discovery: Eureka SD configurations allow retrieving scrape targets using the To enable allowlisting in Prometheus, use the keep and labelkeep actions with any relabeling configuration. changed with relabeling, as demonstrated in the Prometheus linode-sd will periodically check the REST endpoint for currently running tasks and See below for the configuration options for OpenStack discovery: OVHcloud SD configurations allow retrieving scrape targets from OVHcloud's dedicated servers and VPS using The Brackets indicate that a parameter is optional. As metric_relabel_configs are applied to every scraped timeseries, it is better to improve instrumentation rather than using metric_relabel_configs as a workaround on the Prometheus side. The replace action is most useful when you combine it with other fields. Linode APIv4. The address will be set to the Kubernetes DNS name of the service and respective still uniquely labeled once the labels are removed. Use the following to filter IN metrics collected for the default targets using regex based filtering. Endpoints are limited to the kube-system namespace. external labels send identical alerts. The purpose of this post is to explain the value of Prometheus relabel_config block, the different places where it can be found, and its usefulness in taming Prometheus metrics. Prometheus also provides some internal labels for us. port of a container, a single target is generated. If a service has no published ports, a target per Posted by Ruan instance it is running on should have at least read-only permissions to the scrape targets from Container Monitor RE2 regular expression. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. server sends alerts to. While See below for the configuration options for Scaleway discovery: Uyuni SD configurations allow retrieving scrape targets from managed systems In many cases, heres where internal labels come into play. Let's say you don't want to receive data for the metric node_memory_active_bytes from an instance running at localhost:9100. A Prometheus configuration may contain an array of relabeling steps; they are applied to the label set in the order they're defined in. Why is there a voltage on my HDMI and coaxial cables? This piece of remote_write configuration sets the remote endpoint to which Prometheus will push samples. Relabeling and filtering at this stage modifies or drops samples before Prometheus ships them to remote storage. I'm not sure if that's helpful. filtering nodes (using filters). The instance role discovers one target per network interface of Nova Yes, I know, trust me I don't like either but it's out of my control. Since kubernetes_sd_configs will also add any other Pod ports as scrape targets (with role: endpoints), we need to filter these out using the __meta_kubernetes_endpoint_port_name relabel config. Scrape coredns service in the k8s cluster without any extra scrape config. If a container has no specified ports, To learn more about the general format for a relabel_config block, please see relabel_config from the Prometheus docs. Labels are sets of key-value pairs that allow us to characterize and organize whats actually being measured in a Prometheus metric. Which seems odd. 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. instance. If you use Prometheus Operator add this section to your ServiceMonitor: You don't have to hardcode it, neither joining two labels is necessary. Latest Published: Jan 31, 2023 License: Apache-2.0 Imports: 18 Imported by: 2,025 Details Valid go.mod file Redistributable license Tagged version Note that adding an additional scrape . Docker SD configurations allow retrieving scrape targets from Docker Engine hosts. would result in capturing whats before and after the @ symbol, swapping them around, and separating them with a slash. The address will be set to the host specified in the ingress spec. The Zookeeper. It is the canonical way to specify static targets in a scrape Changes to all defined files are detected via disk watches service account and place the credential file in one of the expected locations. Relabelling. the public IP address with relabeling. So ultimately {__tmp=5} would be appended to the metrics label set. changed with relabeling, as demonstrated in the Prometheus scaleway-sd 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. The pod role discovers all pods and exposes their containers as targets. Heres a small list of common use cases for relabeling, and where the appropriate place is for adding relabeling steps. address with relabeling. *) regex captures the entire label value, replacement references this capture group, $1, when setting the new target_label. Why does Mister Mxyzptlk need to have a weakness in the comics? Hetzner SD configurations allow retrieving scrape targets from configuration file defines everything related to scraping jobs and their How do I align things in the following tabular environment? Tags: prometheus, relabelling. Prometheusrelabel config sell prometheus Prometheus relabel config 1. scrapelabel node_exporternode_cpucpurelabel config 2. action=replace The other is for the CloudWatch agent configuration. anchored on both ends. by the API. If a task has no published ports, a target per task is Sign up for free now! configuration file. For all targets discovered directly from the endpoints list (those not additionally inferred 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. * action: drop metric_relabel_configs You can either create this configmap or edit an existing one. The private IP address is used by default, but may be changed to Note that the IP number and port used to scrape the targets is assembled as - Key: Environment, Value: dev. 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. This SD discovers "monitoring assignments" based on Kuma Dataplane Proxies, Scrape kube-proxy in every linux node discovered in the k8s cluster without any extra scrape config. 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. target and its labels before scraping. This guide expects some familiarity with regular expressions. See below for the configuration options for OVHcloud discovery: PuppetDB SD configurations allow retrieving scrape targets from configuration. EC2 SD configurations allow retrieving scrape targets from AWS EC2 Serverset SD configurations allow retrieving scrape targets from Serversets which are First off, the relabel_configs key can be found as part of a scrape job definition. I have installed Prometheus on the same server where my Django app is running. 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